CN201185355Y - High voltage line induction electricity-taking apparatus - Google Patents
High voltage line induction electricity-taking apparatus Download PDFInfo
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- CN201185355Y CN201185355Y CNU2008200666652U CN200820066665U CN201185355Y CN 201185355 Y CN201185355 Y CN 201185355Y CN U2008200666652 U CNU2008200666652 U CN U2008200666652U CN 200820066665 U CN200820066665 U CN 200820066665U CN 201185355 Y CN201185355 Y CN 201185355Y
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- 230000001939 inductive effects Effects 0.000 title claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 230000000087 stabilizing Effects 0.000 claims description 22
- 229910052744 lithium Inorganic materials 0.000 claims description 21
- 238000001914 filtration Methods 0.000 claims description 20
- WHXSMMKQMYFTQS-UHFFFAOYSA-N lithium Chemical compound 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Abstract
Description
Technical field
The utility model relates to a kind of induction electricity getting device, relates in particular to a kind of high-tension line induction electricity getting device; Specifically, the utility model is a kind of for the equipment of working on the electric power system high-tension line provides the device of the 24 hours all weather operations energy, and it relates to induction power taking technology, power taking power conditioning technology and constant current constant voltage switch technology.
Background technology
On ultra-high-tension power transmission line, need to install a large amount of on-pole switch equipment, path monitoring equipment, control appliance etc., to guarantee the normal safe operation of ultra-high-tension power transmission line; But at present, it is neighbouring and fewer with the equipotential electric equipment kind of ultra-high-tension power transmission line to be installed in high voltage electricity transmission conductive wire, and its main cause is to solve the High-Voltage Insulation problem simply efficiently, makes these equipment be difficult to directly directly be powered by ground.
At present, development along with technology, the equipment that is operated on the ultra-high-tension power transmission line is more and more, as inspection robot, live line working robot, the filthy on-line monitoring equipment of high-tension line and high-tension line remote monitor device etc., but the general supply power mode that adopts traditional solar storage battery of the power supply of these equipment.And the supply power mode of traditional solar storage battery is difficult to provide than large power supply power, and cost is too high, more can't realize round-the-clock power supply.
Therefore,, accelerate the development and application of high-tension line electric equipment, press for the online electric energy supply of the ultra-high-tension power transmission line problem that solves for improving the Automation of Electric Systems level.
Summary of the invention
The purpose of this utility model just is to overcome the above-mentioned shortcoming and defect that prior art exists, and a kind of high-tension line induction electricity getting device is provided.
The purpose of this utility model is achieved in that
Comprise high voltage transmission line and load, be provided with C sections core, coil, current rectifying and wave filtering circuit, power taking power conditioning circuitry, charging and voltage stabilizing circuit and lithium battery;
The shell totally enclosed type, the internal circuit modularized design, and perfect protective circuit is arranged.
Form a kind of current transformer by high voltage transmission line, C sections core and coil, obtain energy; By exporting behind the rectifying and wave-filtering; The power taking power conditioning circuitry can detect output voltage values in real time, by bidirectional triode thyristor the magnetic flux of coil is carried out dynamic adjustments, plays voltage stabilizing and adjusts the effect of power; The current transformer power output is subjected to the influence of transmission pressure size of current, and when power output can satisfy load and normally moves, charging circuit charged to the lithium battery group, until being full of; When the electric current on the transmission pressure is low excessively when causing power output not enough, the lithium battery group is powered automatically, thereby realizes uninterrupted power supply.
In sum, the utility model has 3 kinds of operating states:
When 1, the high voltage power transmission line current was very high, the current transformer power output was big, and the work of power taking this moment power conditioning circuitry reduces coil flux by the positive feedback control circuit, keeps the stable of power output.Charging circuit is started working, and the lithium battery group is charged until being full of.
2, the high voltage electricity transmission conductive wire electric current is when the rated current scope left and right sides, and the current transformer power output is a rated power, and power taking this moment power conditioning circuitry keeps monitoring in real time, and charging circuit continues the lithium battery group is charged until being full of.
3, the high voltage electricity transmission conductive wire electric current is crossed when hanging down, and the current transformer power output is not enough, and power taking this moment power conditioning circuitry still keeps monitoring, and lithium battery group output circuit is connected, and begins electric.
The utlity model has following advantage and good effect:
1, the shell totally enclosed type is waterproof and dampproof, and is high temperature resistant, can adapt to outdoor various bad weather;
2, internal circuit modularized design, and perfect protective circuit is arranged, stable and reliable operation, antijamming capability is strong;
3, volume is little, and is easy for installation, and wiring is simple;
4, be equipped with the high-capacity lithium battery group,, also can guarantee the uninterrupted power supply of long period even high voltage electricity transmission conductive wire has a power failure;
5, power output is big, and voltage is stable.
The utility model is applicable to the power consumption equipment of all working on power system high tension power line, and when the electric current on the transmission line was 80～300A, the power output of device was 20～100W.
Description of drawings
Fig. 1 is a structured flowchart of the present utility model.
Fig. 2 is the current rectifying and wave filtering circuit schematic diagram;
Fig. 3 is a power taking power conditioning circuitry schematic diagram;
Fig. 4 is the charging and voltage stabilizing circuit theory diagrams.
Wherein:
The 1-high voltage transmission line; 2-C sections core; 3-gets the energy coil;
The 4-current rectifying and wave filtering circuit; 5-power taking power conditioning circuitry; 6-charging and voltage stabilizing circuit;
The 7-lithium battery; The 8-load.
Embodiment
Describe in detail below in conjunction with drawings and Examples:
One, overall
As Fig. 1, the utility model comprises high voltage transmission line 1 and load 8, is provided with C sections core 2, gets energy coil 3, current rectifying and wave filtering circuit 4, power taking power conditioning circuitry 5, charging and voltage stabilizing circuit 6 and lithium battery group 7;
Its annexation is: high voltage transmission line 1 passes C sections core 2, is wrapped with coil 3 at C sections core 2, and coil 3, current rectifying and wave filtering circuit 4, power taking power conditioning circuitry 5, charging and voltage stabilizing circuit 6 and load 8 are connected successively; Lithium battery group 7 and 6 parallel connections of charging and voltage stabilizing circuit.
Operation principle of the present utility model
High voltage transmission line 1 passes from C sections core 2, is wound with the coil holder of getting energy coil 3 and is installed on the C sections core 2.Get the electric energy that energy coil 3 obtains from high voltage transmission line 1, the adjusting by current rectifying and wave filtering circuit 4 and power taking power conditioning circuitry 5 becomes galvanic current by charging and voltage stabilizing circuit 6 again, to load 8 power supplies.Simultaneously can also be for the charging of lithium battery group, until being full of.Power taking power conditioning circuitry 5 can detect output voltage values in real time, by bidirectional triode thyristor the magnetic flux of coil 3 is carried out dynamic adjustments, plays voltage stabilizing and adjusts the effect of power.
Power output of the present utility model is subjected to the influence of high voltage transmission line 1 size of current by material, the volume of C sections core 2 and the number of turn decision of getting energy coil 3.Output voltage of the present utility model is adjusted by the number of turn and the power taking power conditioning circuitry 5 of coil 3.When the utility model power output can satisfy load and normally moves, 6 pairs of lithium battery groups 7 of charging and voltage stabilizing circuit were charged, until being full of; When the electric current on the transmission pressure is low excessively when causing power output not enough, lithium battery group 7 is powered automatically, thereby realizes uninterrupted power supply.
The all right a plurality of parallel runnings of the utility model, power output end also connects, thereby can obtain bigger power output.
Two, the structure of each parts, operation principle and function thereof
1, high voltage transmission line 1
High voltage transmission line 1 produces alternating electromagnetic field by the electric power transmission electric current.
2, C sections core 2
C sections core 2 is put together by two halves, is convenient to install.
3, getting can coil 3
Coil 3 is wrapped on the C sections core 2, obtains electric energy from high voltage transmission line 1.
4, current rectifying and wave filtering circuit 4
As Fig. 2, current rectifying and wave filtering circuit 4 comprises gets energy coil 3, TVS Transient Suppression Diode D1, piezo-resistance R1, rectifier bridge, the 1st, 2 filtering capacitor C1, C2;
At the output of getting energy coil 3 TVS Transient Suppression Diode D1 in parallel and piezo-resistance R1, prevent that thunderbolt and surge current from producing high pressure and damaging circuit;
The input of rectifier bridge (1 pin and 3 pin) is connected on the output of getting energy coil 3, and the output of rectifier bridge (2 pin and 4 pin) is the output after the rectification, and the output ripple direct voltage is parallel with the 1st, 2 filter capacitor C1, C2, reduces the output of circuit ripple.
5, the power taking power conditioning circuitry 5
Power taking power conditioning circuitry 5 is made up of preceding latter linked output voltage detecting circuit 5.1 and power taking power controlling output circuit 5.2;
The input of output voltage detecting circuit 5.1 is connected the voltage output end of current rectifying and wave filtering circuit 4; The output of power taking power controlling output circuit 5.2 is connected the output of getting energy coil 3.
Output voltage detecting circuit 5.1 is by voltage stabilizing didoe D2 and D3, photoelectrical coupler U2, current-limiting resistance R1 and R7, anti-interference condenser C2, and protection diode D1 forms.Connected mode is: the input of the input diode of voltage stabilizing didoe D3, D2, resistance R 7, photoelectrical coupler U2, resistance R 1 and power taking power controlling output circuit 5.2 (being the input diode of photoelectrical coupler U1) is connected in series successively.The output of photoelectrical coupler U2 is connected in the two ends of voltage stabilizing didoe D2 in parallel, forms regenerative circuit; Current-limiting resistance R1 and R7, anti-interference condenser C2 form T shape filter circuit, also play the effect of restriction electric current simultaneously; Protection diode D1 plays the effect of the input diode reverse breakdown that prevents photoelectrical coupler U1.
Power taking power controlling output circuit 5.2 is made up of photoelectrical coupler U1, biasing resistor R2, R3, triode BG1, collector load resistor R4, thyristor SCR, rectifier circuit bridge BRIDGE, current-limiting resistance R8, triggering resistance R 5, bidirectional thyristor TRIAC, anti-interference resistance R 6, anti-interference capacitor C1.Connected mode is: the output of photoelectrical coupler U1 and biasing resistor R3 series connection form the below-center offset circuit of triode BG1, biasing resistor R2 is the upper offset circuit of triode BG1, R4 is the collector load resistor of triode BG1, signal is by the collector electrode output of triode BG1, directly be connected the trigger control end of thyristor SCR, the anode of thyristor SCR, negative electrode is connected to 2 pin and 4 pin of rectifier circuit bridge BRIDGE, 3 pin of rectifier circuit bridge BRIDGE and 1 pin and current-limiting resistance R8 are connected in series, with triggering the trigger switch circuit that resistance R 5 forms bidirectional thyristor TRIAC together, anti-interference resistance R 6, be connected in parallel after anti-interference capacitor C1 is connected in series between the anode and negative electrode of bidirectional thyristor TRIAC, form High-frequency Interference and absorb circuit.
As the output voltage V CC of current rectifying and wave filtering circuit 4 during greater than rated output voltage, voltage stabilizing didoe D3, D2 puncture conducting, the conducting of photoelectrical coupler U1 output triode, triode BG1 ends, trigger thyristor SCR conducting, 3 pin, 1 pin of rectifier circuit bridge BRIDGE flow through the conducting electric current, and this electric current produces voltage drop, triggers bidirectional thyristor TRIAC conducting on triggering resistance R 5, and short circuit is got can coil L1.
By continuous conducting of bidirectional thyristor TRIAC and the variation that ends, the discharging and recharging of storage capacitor on the control output loop makes the device output voltage keep constant.The feedback circuit that photoelectrical coupler U2 forms is used for the fluctuation range of control output voltage.
6, the charging and voltage stabilizing circuit 6
As Fig. 5, charging and voltage stabilizing circuit 6 comprise charging main circuit 6.1, reference voltage source circuit 6.2, error ratio, amplifying circuit 6.3 and buffer circuit 6.4;
On the input of charging main circuit 6.1 and the output end voltage VCC that output is connected to current rectifying and wave filtering circuit 4 and on the positive pole of lithium battery group 7; Reference voltage source circuit 6.2 produces reference voltage; Error ratio, two inputs of amplifying circuit 6.3 are connected to the output of charging main circuit 6.1 and the reference voltage output end of reference voltage source circuit 6.2, and error ratio, the output of amplifying circuit 6.3 is connected the charging control end of charging main circuit 6.1; Buffer circuit 6.4 is made up of the 1st, 2 diode D2, D3, the output end voltage VCC that two inputs are connected to current rectifying and wave filtering circuit 4 go up and the cathode output end of lithium battery group 7 on.
Charging main circuit 6.1 is made up of voltage stabilizing chip LM317, current-limiting resistance R5, diode D1; Voltage stabilizing chip LM317, current-limiting resistance R5, diode D1 are connected in series successively.
Reference voltage source circuit 6.2 is made up of adjustable reference voltage source collection chip TL431, load resistance R1, divider resistance R2, R3; Adjustable reference voltage source collection chip TL431, load resistance R1 are connected in series; Divider resistance R2, the R3 dividing potential drop of connecting; The branch pressure side is connected on the voltage controling end of adjustable reference voltage source collection chip TL431.Error ratio, amplifying circuit 6.3 is made up of amplifier LM324, current-limiting resistance R4, triode BG1, divider resistance R6.The base stage of the error output of amplifier LM324, current-limiting resistance R4, triode BG1 is connected in series; The collector electrode of the triode BG1 divider resistance R6 that is connected in series.
Error ratio, amplifying circuit 6.3 compares the voltage of lithium battery group 7 and the output voltage of reference voltage source circuit 6.2, the collector electrode output current size of its error output control triode BG1, and then the voltage swing of the charging control end of control charging main circuit 6.1, and then the size of control charging current.
7, the lithium battery group 7
Lithium battery group 7 is when the ultra-high-tension power transmission line undercurrent, as the uninterrupted power supply of supplementary energy proof load 8.
8, load 8
Load 8 is for being installed in the power consumption equipment on the ultra-high-tension power transmission line.
Claims (5)
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| CNU2008200666652U CN201185355Y (en) | 2008-04-24 | 2008-04-24 | High voltage line induction electricity-taking apparatus |
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| CNU2008200666652U CN201185355Y (en) | 2008-04-24 | 2008-04-24 | High voltage line induction electricity-taking apparatus |
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