CN114944631A - Overhead line is with high altitude warning system - Google Patents
Overhead line is with high altitude warning system Download PDFInfo
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- CN114944631A CN114944631A CN202210479301.1A CN202210479301A CN114944631A CN 114944631 A CN114944631 A CN 114944631A CN 202210479301 A CN202210479301 A CN 202210479301A CN 114944631 A CN114944631 A CN 114944631A
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 44
- 230000006698 induction Effects 0.000 claims abstract description 27
- 229910052742 iron Inorganic materials 0.000 claims abstract description 22
- 239000003990 capacitor Substances 0.000 claims description 21
- 238000004891 communication Methods 0.000 claims description 9
- 239000013078 crystal Substances 0.000 claims description 6
- 206010014357 Electric shock Diseases 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000010248 power generation Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/005—Illumination controller or illuminated signs including an illumination control system
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
- G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
- H02J7/06—Regulation of charging current or voltage using discharge tubes or semiconductor devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
- G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
- G09F2013/222—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent with LEDs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention provides a high-altitude warning system for an overhead line, wherein an overhead cable is arranged between two overhead towers; a warning mechanism is arranged at a position close to the top of the overhead iron tower; the warning mechanism is provided with an LED warning lamp; an induction magnetic ring coil is sleeved on an overhead cable of the overhead iron tower; the output end of the induction magnetic core coil is connected with the input end of the power supply anti-surge protection module, the output end of the power supply anti-surge protection module is connected with the input end of the alternating current-direct current rectification circuit, the output end of the alternating current-direct current rectification circuit is connected with the input end of the filter circuit, the output end of the filter circuit is connected with the input end of the discharge module, and the output end of the discharge module is connected with the LED warning lamp through the first DC-DC circuit, so that electric energy induced by the induction magnetic core coil supplies power to the LED warning lamp; the LED warning lamp can work stably. Can warn people not to be close to the overhead tower and the overhead cable, has the risk of electric shock, and can also play the role of prompting the height of the overhead tower.
Description
Technical Field
The invention relates to the technical field of overhead line warning, in particular to an overhead warning system for an overhead line.
Background
At present, an overhead line is generally overhead by an iron tower, and in order to guarantee the overhead height, the overhead iron tower with a certain height is usually arranged to realize the overhead use of an overhead cable, so that the remote power transmission is realized. There are also cities and villages where overhead towers are used to make power lines overhead so that power lines can cross roads.
Generally, the iron tower needs to be warned, for example, in urban and rural areas, or in residential areas, etc., so as to warn people. People can be reminded not to approach the electric shock protector, so that the electric shock hazard is avoided. However, the existing warning board usually needs additional power supply, because the overhead cable cannot provide low-voltage electricity for high-voltage electricity, a line needs to be laid to supply power to the warning board, inconvenience is brought to warning, and if a proper low-voltage power supply room is not available, the warning board cannot be powered. Some can only use the fluorescent layer to indicate, but can not satisfy the warning requirement under the condition of poor light, thereby bringing potential safety hazards to people.
Disclosure of Invention
The invention provides a high-altitude warning system for an overhead line, which can be used for generating power by induction of an overhead cable through an induction magnetic core coil to provide the power for an LED warning lamp, so that the LED warning lamp does not need additional power supply and wiring and is convenient to use.
Overhead line is with high altitude warning system includes: a plurality of overhead towers; an overhead cable is arranged between the two overhead towers;
a warning mechanism is arranged at a position close to the top of the overhead iron tower;
the warning mechanism is provided with a fixed base, and the fixed base is arranged on a cross beam of the overhead iron tower through a fixed bolt;
the fixed base is connected with a control box and a bracket, the bracket is provided with a warning plate, and the warning plate is provided with an LED warning lamp;
the control box is internally provided with a singlechip, a power supply anti-surge protection module, an alternating current-direct current rectification circuit, a filter circuit, a discharge module, a storage battery, a first DC-DC circuit and a second DC-DC circuit;
an induction magnetic ring coil is sleeved on an overhead cable of the overhead iron tower;
the output end of the induction magnetic core coil is connected with the input end of the power supply anti-surge protection module, the output end of the power supply anti-surge protection module is connected with the input end of the alternating current-direct current rectification circuit, the output end of the alternating current-direct current rectification circuit is connected with the input end of the filter circuit, the output end of the filter circuit is connected with the input end of the discharge module, and the output end of the discharge module is connected with the LED warning lamp through the first DC-DC circuit, so that electric energy induced by the induction magnetic core coil supplies power to the LED warning lamp;
the output end of the discharge module is connected with the storage battery through a second DC-DC circuit, so that the electric energy induced by the induction magnetic core coil charges the storage battery; the storage batteries respectively supply power to the electric elements in the control box;
the single chip microcomputer is respectively connected with the first DC-DC circuit and the second DC-DC circuit and respectively controls the connection and disconnection of the first DC-DC circuit and the second DC-DC circuit.
Preferably, the first DC-DC circuit comprises: the circuit comprises a resistor R1, a resistor R2, a resistor R3, a capacitor C1, a capacitor C2, a triode Q1, a diode D1 and an inductor L1;
the first end of the capacitor C1 is respectively connected with the input end of the first DC-DC circuit and the collector of the triode Q1; the base electrode of the triode Q1 is connected with the output end of the singlechip; an emitter electrode of the triode Q1 is respectively connected with a cathode electrode of the diode D1 and a first end of the inductor L1;
a second end of the inductor L1 is respectively connected with a first end of the resistor R1, a first end of the capacitor C2, a first end of the resistor R3 and an output end of the first DC-DC circuit;
the second end of the capacitor C1, the anode of the diode D1, the second end of the resistor R2, the second end of the capacitor C2 and the second end of the resistor R3 are grounded respectively;
the second end of the resistor R1 is respectively connected with the singlechip and the first end of the resistor R2.
Preferably, an electric quantity acquisition circuit is further arranged in the control box;
the single chip microcomputer obtains the electric quantity information of the storage battery through the electric quantity acquisition circuit and the storage battery.
Preferably, a wireless communication module is further arranged in the control box;
the singlechip is in communication connection with the upper computer through the wireless communication module.
Preferably, the storage battery is connected with the LED warning lamp through a power supply line to supply power to the LED warning lamp;
a relay is arranged on the power supply line;
the single chip microcomputer is connected with a coil of the relay through the amplifying circuit to control the on-off of the relay.
Preferably, the warning board is made of a PVC board.
Preferably, the warning panel is coated with a fluorescent layer.
Preferably, the overhead cable of the overhead iron tower is also connected with a current transformer and a voltage transformer;
the current transformer and the voltage transformer are respectively connected with the single chip microcomputer, and the single chip microcomputer respectively obtains the current and the voltage of the overhead cable.
Preferably, the singlechip adopts an STM32F103VCT6 singlechip and is provided with a JTAG debugging program and a reset circuit; the system also comprises an 8MHz passive crystal oscillator as the crystal oscillator of the singlechip;
or the singlechip adopts a TM4C123GH6PZ17R microprocessor.
According to the technical scheme, the invention has the following advantages:
the induction magnetic core coil in the overhead wire high-altitude warning system is used for carrying out induction power generation on the overhead cable, and after the power generation is carried out and is processed by the power supply anti-surge protection module, the alternating current-direct current rectifying circuit, the filter circuit, the discharge module and the DC-DC circuit, the power supply anti-surge protection module is provided for the LED warning lamp, so that the LED warning lamp works stably. The problem that the warning board cannot be powered if a proper low-voltage power supply room is not available due to the fact that the overhead cable cannot provide low-voltage electricity for high-voltage electricity and needs to be paved with circuits to supply power to the warning board, and therefore inconvenience is brought to warning.
The LED warning light can warn people not to be close to the iron tower and the overhead cable, has the risk of electric shock, and can also prompt people of the height of the iron tower.
The system can also supply power to the LED warning lamp through the storage battery, and the storage battery can also be charged by the electricity sent by the induction magnetic core coil, so that the stable operation of the system is guaranteed.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required to be used in the description will be briefly introduced below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of an overhead line overhead warning system;
FIG. 2 is a schematic view of an embodiment of a high altitude warning system for overhead lines;
fig. 3 is a first DC-DC circuit diagram.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a high altitude warning system for overhead line, as shown in fig. 1 and fig. 2, comprising: a plurality of overhead towers 1;
an overhead cable 2 is arranged between the two overhead towers 1; a warning mechanism is arranged at a position close to the top of the overhead iron tower 1; the overhead tower 1 is used for connecting an overhead cable 2. Because the height of iron tower 1 is higher, in order to play the effect of reminding, set up warning mechanism on iron tower 1, can play the warning effect. Can warn people not to be close to the overhead tower 1 and the overhead cable 2, have the risk of electric shock, can also play the height of the overhead tower 1 of suggestion people. The warning mechanism can be arranged at the installation position of the overhead iron tower 1 according to actual needs, and is not specifically set here.
The warning mechanism is provided with a fixed base 3, and the fixed base 3 is installed on a cross beam of the overhead iron tower 1 through a fixed bolt;
the fixed base 3 is connected with a control box and a bracket, the bracket is provided with a warning plate 4, and the warning plate 4 is provided with an LED warning lamp 14; the warning board 4 is made of a PVC board. The warning board 4 is coated with a fluorescent layer. The function of reflecting light at night can be played, and the warning effect is improved.
A singlechip 13, a power supply anti-surge protection module 6, an alternating current and direct current rectification circuit 7, a filter circuit 8, a discharge module 9, a storage battery 10, a first DC-DC circuit 11 and a second DC-DC circuit 12 are arranged in the control box;
an induction magnetic ring coil 5 is sleeved on an overhead cable 2 of an overhead iron tower 1; the output of induction core coil is connected with the input of power surge protection module 6, and induction core coil can realize getting the electricity from overhead cable 2, supplies power to warning mechanism.
The output end of the power supply anti-surge protection module 6 is connected with the input end of the alternating current and direct current rectification circuit 7, and the alternating current and direct current rectification circuit 7 can convert the electric energy generated by the induction magnetic core coil into alternating current and direct current.
The output end of the AC-DC rectification circuit 7 is connected with the input end of the filter circuit 8, clutter or unstable signals exist after AC-DC conversion, and the filter circuit 8 carries out filtering processing on DC in order to guarantee stable power supply.
The output end of the filter circuit 8 is connected with the input end of the discharge module 9, and the discharge module 9 can consume redundant electric quantity to prevent overvoltage from damaging circuits and electric elements.
The output end of the bleeder module 9 is connected with the LED warning lamp 14 through the first DC-DC circuit 11, so that the electric energy induced by the induction magnetic core coil supplies power to the LED warning lamp 14;
the output end of the discharging module 9 is connected with the storage battery 10 through a second DC-DC circuit 12, so that the storage battery 10 is charged by the electric energy induced by the induction magnetic core coil; the storage batteries 10 respectively supply power to the electric elements in the control box;
in order to know the electric quantity information of the storage battery 10, an electric quantity acquisition circuit is also arranged in the control box; the single chip microcomputer 13 acquires the electric quantity information of the storage battery 10 through the electric quantity acquisition circuit and the storage battery 10.
The single chip microcomputer 13 is respectively connected with the first DC-DC circuit 11 and the second DC-DC circuit 12, and respectively controls the on-off of the first DC-DC circuit 11 and the second DC-DC circuit 12.
The first DC-DC circuit 11 and the second DC-DC circuit 12 can convert the direct current into a voltage level required by the system electrical components to meet the power supply requirement.
If the induction magnetic ring coil 5 does not induce the electric quantity information, the storage battery 10 can normally supply power to the LED warning lamp 14 and each electrical element of the system in order to ensure that the LED warning lamp 14 and each electrical element of the system normally operate. When the induction magnetic ring coil 5 can normally supply power, the storage battery 10 can be charged. The charging control of the battery 10 can be realized by controlling the DC-DC circuit.
Certainly, when the storage battery 10 is needed to supply power, the storage battery 10 is connected with the LED warning lamp 14 through a power supply line to supply power to the LED warning lamp 14; a relay is arranged on the power supply line; the singlechip 13 is connected with a coil of the relay through an amplifying circuit to control the on-off of the relay.
The same circuit form can be adopted for the first DC-DC circuit 11 and the second DC-DC circuit 12 relating to the present invention.
Illustratively, as shown in fig. 3, the first DC-DC circuit 11 includes: the circuit comprises a resistor R1, a resistor R2, a resistor R3, a capacitor C1, a capacitor C2, a triode Q1, a diode D1 and an inductor L1;
a first end of the capacitor C1 is respectively connected with an input end of the first DC-DC circuit 11 and a collector of the triode Q1; the base electrode of the triode Q1 is connected with the output end of the singlechip 13; an emitter electrode of the triode Q1 is respectively connected with a cathode electrode of the diode D1 and a first end of the inductor L1; a second end of the inductor L1 is connected to the first end of the resistor R1, the first end of the capacitor C2, the first end of the resistor R3, and the output end of the first DC-DC circuit 11; the second end of the capacitor C1, the anode of the diode D1, the second end of the resistor R2, the second end of the capacitor C2 and the second end of the resistor R3 are grounded respectively; the second end of the resistor R1 is respectively connected with the singlechip 13 and the first end of the resistor R2.
The singlechip 13 controls the on and off of the transistor Q1. When the transistor Q1 is turned on, power is supplied to the LED warning light 14 through the inductor L1, and the capacitor C2 is charged. The capacitor C2 and the inductor L1 both have the function of storing electric energy. The single chip microcomputer 13 controls the transistor Q1 to be cut off, the inductor L1 continues to supply power to the LED warning lamp 14, and the capacitor C2 supplies power to the LED warning lamp 14 to maintain the power supply voltage.
The diode D1 is a freewheeling diode to form a circuit loop. The input voltage of the first DC-DC circuit 11 is divided by the resistor R1 and the resistor R2 and then fed back to the single chip microcomputer 13. The single chip microcomputer 13 controls the on and off of the triode Q1, so that the power of the LED warning lamp 14 is supplied by the storage battery 10 after the induction magnetic core coil stops supplying power, and the LED warning lamp 14 is kept on constantly in a required time period.
In the invention, the single chip microcomputer 13 adopts an STM32F103VCT6 single chip microcomputer 13 and is provided with a JTAG debugging program and a reset circuit; an 8MHz passive crystal oscillator is also arranged as the crystal oscillator of the singlechip 13; or the singlechip 13 adopts a TM4C123GH6PZ17R microprocessor.
In order to upload the running state information of the system to an upper computer, a wireless communication module is also arranged in the control box; the single chip microcomputer 13 is in communication connection with an upper computer through a wireless communication module, and uploads induction information of the induction magnetic core coil and operation information of the LED warning lamp 14 to the upper computer. Meanwhile, the control instruction sent by the upper computer can be received to control the switch of the LED warning lamp 14, and the resetting and debugging operation can also be carried out.
In the invention, a current transformer and a voltage transformer are also connected to an overhead cable 2 of an overhead iron tower 1; the current transformer and the voltage transformer are respectively connected with the single chip microcomputer 13, the single chip microcomputer 13 respectively obtains the current and the voltage of the overhead cable 2, and the obtained current and the obtained voltage of the overhead cable 2 can be sent to an upper computer for monitoring and using.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides an overhead line is with high altitude warning system which characterized in that includes: a plurality of overhead towers; an overhead cable is arranged between the two overhead towers;
a warning mechanism is arranged at a position close to the top of the overhead iron tower;
the warning mechanism is provided with a fixed base, and the fixed base is arranged on a cross beam of the overhead iron tower through a fixed bolt;
the fixed base is connected with a control box and a bracket, the bracket is provided with a warning board, and the warning board is provided with an LED warning lamp;
the control box is internally provided with a singlechip, a power supply anti-surge protection module, an alternating current-direct current rectification circuit, a filter circuit, a discharge module, a storage battery, a first DC-DC circuit and a second DC-DC circuit;
an induction magnetic ring coil is sleeved on an overhead cable of the overhead iron tower;
the output end of the induction magnetic core coil is connected with the input end of the power supply anti-surge protection module, the output end of the power supply anti-surge protection module is connected with the input end of the alternating current-direct current rectification circuit, the output end of the alternating current-direct current rectification circuit is connected with the input end of the filter circuit, the output end of the filter circuit is connected with the input end of the discharge module, and the output end of the discharge module is connected with the LED warning lamp through a first DC-DC circuit, so that electric energy induced by the induction magnetic core coil supplies power to the LED warning lamp;
the output end of the discharge module is connected with the storage battery through a second DC-DC circuit, so that the electric energy induced by the induction magnetic core coil charges the storage battery; the storage batteries respectively supply power to the electric elements in the control box;
the singlechip is respectively connected with the first DC-DC circuit and the second DC-DC circuit and respectively controls the on-off of the first DC-DC circuit and the second DC-DC circuit.
2. The overhead line altitude warning system according to claim 1,
the first DC-DC circuit includes: the circuit comprises a resistor R1, a resistor R2, a resistor R3, a capacitor C1, a capacitor C2, a triode Q1, a diode D1 and an inductor L1;
the first end of the capacitor C1 is respectively connected with the input end of the first DC-DC circuit and the collector of the triode Q1; the base electrode of the triode Q1 is connected with the output end of the singlechip; an emitter electrode of the triode Q1 is respectively connected with a cathode electrode of the diode D1 and a first end of the inductor L1;
a second end of the inductor L1 is respectively connected with a first end of the resistor R1, a first end of the capacitor C2, a first end of the resistor R3 and an output end of the first DC-DC circuit;
the second end of the capacitor C1, the anode of the diode D1, the second end of the resistor R2, the second end of the capacitor C2 and the second end of the resistor R3 are grounded respectively;
the second end of the resistor R1 is connected with the singlechip and the first end of the resistor R2 respectively.
3. The overhead line altitude warning system according to claim 1,
an electric quantity acquisition circuit is also arranged in the control box;
the single chip microcomputer obtains the electric quantity information of the storage battery through the electric quantity acquisition circuit and the storage battery.
4. The overhead line altitude warning system according to claim 1,
a wireless communication module is also arranged in the control box;
the singlechip is in communication connection with the upper computer through the wireless communication module.
5. The overhead line altitude warning system according to claim 1,
the storage battery is connected with the LED warning lamp through a power supply line to supply power to the LED warning lamp;
a relay is arranged on the power supply circuit;
the single chip microcomputer is connected with a coil of the relay through the amplifying circuit to control the on-off of the relay.
6. The overhead line altitude warning system according to claim 1,
the warning board is made of a PVC board.
7. The overhead line altitude warning system according to claim 1,
the warning board is coated with a fluorescent layer.
8. The overhead line altitude warning system according to claim 1,
a current transformer and a voltage transformer are also connected to an overhead cable of the overhead iron tower;
the current transformer and the voltage transformer are respectively connected with the single chip microcomputer, and the single chip microcomputer respectively obtains the current and the voltage of the overhead cable.
9. The overhead line altitude warning system according to claim 1,
the single chip microcomputer adopts an STM32F103VCT6 single chip microcomputer and is provided with a JTAG debugging program and a reset circuit; the system also comprises an 8MHz passive crystal oscillator as the crystal oscillator of the singlechip;
or the singlechip adopts a TM4C123GH6PZ17R microprocessor.
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