CN204349856U - For the electric power system of transmission line monitoring terminal - Google Patents
For the electric power system of transmission line monitoring terminal Download PDFInfo
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- CN204349856U CN204349856U CN201420733930.3U CN201420733930U CN204349856U CN 204349856 U CN204349856 U CN 204349856U CN 201420733930 U CN201420733930 U CN 201420733930U CN 204349856 U CN204349856 U CN 204349856U
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- nand gate
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Abstract
Originally be that utility model discloses a kind of electric power system for transmission line monitoring terminal, comprise wind-driven generator, solar energy electroplax, storage battery, wind/light complementation controller, the direct current that storage battery exports be converted to the inverter of alternating current, power interface, the wireless power supply module that wirelessly sent by the voltage that inverter exports, terminal comprises the power taking interface be connected with power interface and/or the wireless electricity-fetching module mated with wireless power supply module; Wind-driven generator, solar energy electroplax are all connected with wind/light complementation controller, and wind/light complementation controller, storage battery, inverter input terminal connect successively, and power interface and wireless power supply module are connected to inverter output end respectively.The utility model utilizes wind energy, solar energy accumulators carries out electric energy and supplements, ensure the powered operation of terminal, and the utility model provide not only power interface for terminal and carries out wired power taking, have also been devised wireless power supply module and carry out wireless power to corresponding terminal to wirelessly.
Description
Technical field
The utility model relates to electrical network field, more particularly, relates to a kind of electric power system for transmission line monitoring terminal.
Background technology
Transmission line comprises at least one group of transmission tower, often organizes transmission tower and comprises several shaft towers be arranged in order, described shaft tower is generally provided with multiple monitoring terminal, such as: tilt detection terminal, vibration detection terminal, thunderbolt sense terminals etc.Existing monitoring terminal supply power mode is generally by storage battery power supply, and realize electrical energy transfer with storage battery by intermediate connector, supply power mode is single.And monitoring terminal is in wild environment, particularly in remote mountain area, storage battery is finished and often can not charges in time or change.
Utility model content
The technical problems to be solved in the utility model is, the defect that above-mentioned monitoring terminal power-supplying forms for prior art is single, storage battery can not charge in time or change, provides a kind of field wind energy and solar energy of making full use of to carry out electric energy and supplement and provide the electric power system for transmission line monitoring terminal of wired and wireless two kinds of supply power modes.
The utility model solves the technical scheme that its technical problem adopts: construct a kind of electric power system for transmission line monitoring terminal, comprise wind-driven generator, solar energy electroplax, storage battery, for controlling described wind-driven generator and solar energy electroplax to the wind/light complementation controller of described charge in batteries, the direct current that storage battery exports is converted to the inverter of alternating current, power interface, by the wireless power supply module that the voltage that described inverter exports wirelessly sends, described terminal comprises the power taking interface be connected with described power interface and/or the wireless electricity-fetching module mated with wireless power supply module,
Wind-driven generator, solar energy electroplax are all connected with wind/light complementation controller, and wind/light complementation controller, storage battery, inverter input terminal connect successively, and power interface and wireless power supply module are connected to inverter output end respectively.
Electric power system for transmission line monitoring terminal described in the utility model, wherein, described wind/light complementation controller comprises: three current-voltage sampling circuits be connected with wind-driven generator, solar energy electroplax and storage battery respectively; Connect two DC/DC converters of wind-driven generator and storage battery, solar energy electroplax and storage battery respectively; And the single-chip microcomputer be connected with three current-voltage sampling circuits and two DC/DC converters respectively.
Electric power system for transmission line monitoring terminal described in the utility model, wherein, the model of described single-chip microcomputer is PIC16F877A.
Electric power system for transmission line monitoring terminal described in the utility model, wherein, described inverter comprises dsp controller, DC/DC circuit, inverter circuit, AC power;
DC/DC circuit comprises energy storage inductor, has 1 device for power switching, fly-wheel diode, filter capacitor of anti-paralleled diode; Inverter circuit comprises 4 device for power switching, the filter inductances with anti-paralleled diode;
The control end of all device for power switching is connected to the corresponding pin of dsp controller respectively to receive pwm signal, the positive pole of storage battery is connected to the negative pole of described energy storage inductor one end and fly-wheel diode by a described device for power switching, between the other end that filter capacitor is connected to described energy storage inductor and the positive pole of fly-wheel diode, the positive pole of fly-wheel diode is connected to the negative pole through storage battery, 4 device for power switching form two upper arm and two underarms of bridge circuit respectively, described upper arm and described underarm are a brachium pontis, two brachium pontis are all in parallel with filter capacitor, AC power is connected after described filter inductance and is connected between two upper arm and two connected nodes of underarm.
Electric power system for transmission line monitoring terminal described in the utility model, wherein, described wireless power supply module comprises: governor circuit, under the control of described governor circuit by the power conversion that described inverter exports be the wave of oscillation power conversion circuits, be used for the amplifying circuit that amplified by the described wave of oscillation and be used for the radiating circuit that sent in the mode of radio magnetic wave by the described wave of oscillation amplified;
Described governor circuit, power conversion circuits, amplifying circuit, radiating circuit are connected successively, and governor circuit, power conversion circuits, amplifying circuit are connected to described inverter respectively.
Electric power system for transmission line monitoring terminal described in the utility model, wherein, described radiating circuit comprises the first inductance parallel with one another and the first electric capacity, and described wireless electricity-fetching module comprises the second inductance parallel with one another and the second electric capacity.
Electric power system for transmission line monitoring terminal described in the utility model, wherein, described power conversion circuits comprises integrated NAND gate, the first resistance, the second resistance and the 3rd electric capacity, and described integrated NAND gate inside is integrated with the first NAND gate, the second NAND gate, the 3rd NAND gate
An input of described first NAND gate is connected to one end of described first resistance and one end of the 3rd electric capacity respectively, the other end of described first resistance is connected to the output of described first NAND gate and an input of the second NAND gate respectively, another input of described second NAND gate and another input of described first NAND gate are all connected to the positive pole of the AC power that inverter exports, the other end of described 3rd electric capacity is connected to the output of described second NAND gate, the output of described second NAND gate is connected to an input of the 3rd NAND gate, another input of described 3rd NAND gate is connected to described governor circuit by described second resistance, the output of described 3rd NAND gate is connected to described amplifying circuit.
Electric power system for transmission line monitoring terminal described in the utility model, wherein, described amplifying circuit comprises the first triode, the second triode of NPN type, the 3rd triode of positive-negative-positive, the 4th triode of NPN type, the 3rd resistance, the 4th resistance of NPN type;
The collector electrode of described first triode is connected to the positive pole of the AC power that described inverter exports by described 4th resistance, the base stage of described first triode is connected to the output of described power conversion circuits, the base stage of described first triode is also connected to the positive pole of the AC power that inverter exports by described 3rd resistance, the grounded emitter of described first triode, the base stage of described second triode and the base stage of described 3rd triode are all connected to the collector electrode of described first triode, the collector electrode of described second triode is connected to the positive pole of the AC power that inverter exports, the grounded collector of the 3rd triode, the emitter of described second triode and the emitter of the 3rd triode are all connected to the base stage of the 4th triode, the grounded emitter of described 4th triode, the collector electrode of described 4th triode is connected to described radiating circuit.
Implement the electric power system for transmission line monitoring terminal of the present utility model, there is following beneficial effect: the utility model makes full use of the natural environmental condition in field, utilize wind energy, solar energy accumulators carry out electric energy supplement, effectively ensure that the powered operation of terminal, and the utility model provide not only power interface for terminal and carries out wired power taking, have also been devised wireless power supply module and carry out wireless power to corresponding terminal to wirelessly.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation of the utility model for the electric power system of transmission line monitoring terminal;
Fig. 2 is the structural representation of wind/light complementation controller in Fig. 1;
Fig. 3 is the circuit diagram of inverter in Fig. 1;
Fig. 4 is the structured flowchart of wireless power supply module in Fig. 1;
Fig. 5 is the circuit diagram of wireless power supply module in Fig. 4.
Embodiment
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
With reference to figure 1, be the structural representation of the utility model for the electric power system of transmission line monitoring terminal;
Electric power system comprises wind-driven generator 12, solar energy electroplax 11, storage battery 14, for controlling the wind/light complementation controller 13 that described wind-driven generator 12 and solar energy electroplax 11 charge to described storage battery 14, the inverter 20 direct current that storage battery 14 exports being converted to alternating current, power interface 21, the voltage that described inverter 20 exports wirelessly being sent the wireless power supply module 22 of power supply energy, described terminal comprises the power taking interface be connected with described power interface 21 and/or the wireless electricity-fetching module mated with wireless power supply module 22;
Wind-driven generator 12, solar energy electroplax 11 are all connected with wind/light complementation controller 13, and wind/light complementation controller 13, storage battery 14, inverter 20 input connect successively, and power interface 21 and wireless power supply module 22 are connected to inverter 20 output respectively.
With reference to figure 2, described wind/light complementation controller 13 comprises: three current-voltage sampling circuits be connected with wind-driven generator 12, solar energy electroplax 11 and storage battery 14 respectively; Connect two DC/DC converters of wind-driven generator 12 and storage battery 14, solar energy electroplax 11 and storage battery 14 respectively; And the single-chip microcomputer be connected with three current-voltage sampling circuits and two DC/DC converters respectively.
Current-voltage sampling circuit can utilize sampling resistor to realize, and DC/DC converter can adopt DC/DC chip to realize, such as mc34063, and in the present embodiment, the model of single-chip microcomputer is PIC16F877A.Power interface 21 can be USB interface or power supply general-purpose interface etc., does not limit herein.
Voltage, the voltage of storage battery 14 and the charging current etc. of storage battery 14 that the voltage that single-chip microcomputer exports according to current-voltage sampling circuit acquisition solar energy electroplax 11, wind-driven generator 12 rectification export, two DC/DC converters are controlled, and then realizes controlling the charging of storage battery 14.Wind, sunshine abundance condition under, the electric energy that both scene produce can be combined, be stored in storage battery 14, the complementation of both realizations, and can keep stable by the direct voltage of storage battery 14 regulation output.
With reference to figure 3, the direct current that storage battery 14 exports is converted to alternating current through inverter 20, and inverter 20 comprises DC in dsp controller, DC/DC circuit 201, inverter circuit 202, AC power AC, figure and represents the DC power supply that storage battery 14 exports.
DC/DC circuit 201 comprises energy storage inductor L10, has 1 device for power switching Q10, sustained diode 60, the filter capacitor C of anti-paralleled diode; Inverter circuit 202 comprises 4 device for power switching Q20, Q30, Q40, the Q50 and filter inductance L20 with anti-paralleled diode, and device for power switching can be triode or metal-oxide-semiconductor, is the triode of NPN type in the present embodiment.
The base stage of all device for power switching is connected to the corresponding pin of dsp controller respectively to receive pwm signal, the positive pole of storage battery 14 is connected to the negative pole of described energy storage inductor L10 one end and sustained diode 60 by a described device for power switching, between the other end that filter capacitor C is connected to described energy storage inductor L10 and the positive pole of sustained diode 60, the positive pole of sustained diode 60 is connected to the negative pole through storage battery 14, 4 device for power switching form two upper arm and two underarms of bridge circuit respectively, described upper arm and described underarm are a brachium pontis, two brachium pontis are all in parallel with filter capacitor C, AC power is connected after described filter inductance L20 and is connected between two upper arm and two connected nodes of underarm.
By the duty ratio of control PWM1-PWM5, the switches switching frequency of device for power switching can be controlled.When Q10 conducting, DC power supply DC passes through Q10, energy storage inductor L10 powers to follow-up inverter circuit 202, due to the self-induction of energy storage inductor L10, after Q10 connects, electric current increases slowly, namely export and can not reach supply voltage value at once, after certain hour, switch disconnects, due to the self-induction of energy storage inductor L10, in holding circuit, electric current is constant, electric current returns the positive pole flowing to sustained diode 60 from ground wire, return energy storage inductor L10 through sustained diode 60 and form loop, realize voltage stabilizing object, according to the duty ratio detecting the voltage control PWM1 exported, can regulation output voltage magnitude, realize step-down or boosting.
Same, by control PWM2-PWM5, direct current can be realized to become alternating current.When Q20, Q50 conducting, when Q30, Q40 disconnect, AC is just, when Q20, Q50 disconnect, during Q30, Q40 conducting, AC is negative, changes two groups of switches switching frequency, can change output AC electricity frequency.
With reference to figure 4, described wireless power supply module 22 comprises: governor circuit 221, under the control of described governor circuit 221 by the power conversion that described inverter 20 exports be the wave of oscillation power conversion circuits 222, be used for the amplifying circuit 223 that amplified by the described wave of oscillation and be used for the radiating circuit 224 that sent in the mode of radio magnetic wave by the described wave of oscillation amplified;
Described governor circuit 221, power conversion circuits 222, amplifying circuit 223, radiating circuit 224 are connected successively, and governor circuit 221, power conversion circuits 222, amplifying circuit 223 are connected to described inverter 20 respectively.
With reference to figure 5, governor circuit 221 can adopt single-chip microcomputer or microprocessor, and described radiating circuit 224 comprises the first inductance L 1 and the first electric capacity C1 parallel with one another, and wireless electricity-fetching module comprises the second inductance L 2 and the second electric capacity C2 parallel with one another.
Described power conversion circuits 222 comprises integrated NAND gate U1, the first resistance R1, the second resistance R2 and the 3rd electric capacity C3.Described amplifying circuit 223 comprises the first triode Q1 of NPN type, the second triode Q2 of NPN type, the 3rd triode Q3 of positive-negative-positive, the 4th triode Q4 of NPN type, the 3rd resistance R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8.
Described integrated NAND gate U1 inside is integrated with the first NAND gate, the second NAND gate, the 3rd NAND gate, and in the present embodiment, the model of integrated NAND gate U1 is 74HC00, is integrated with 4 NAND gate in it.74HC00 is a high-speed cmos device, and the reaction of this chip is fast, and output waveform is stablized.74HC00 and R1, C1 form oscillator, and the wave of oscillation signal of output is square wave, and the pulse frequency of square wave is: f=1/ (1.4RC).Wherein R is effective resistance of resistance R1, changes the resistance R1 of different resistance, and pulse frequency can be made adjustable to MHz level in KHz level.Single-chip microcomputer or microprocessor export the input of PWM ripple as a NAND gate, to control the transmission frequency of square wave.
An input (pin 12) of described first NAND gate is connected to one end of described first resistance R1 and one end of the 3rd electric capacity C3 respectively, the other end of described first resistance R1 is connected to the output (pin 11) of described first NAND gate and an input (pin 2) of the second NAND gate respectively, another input (pin 1) of described second NAND gate and another input (pin 13) of described first NAND gate, the power end (pin 14) of integrated NAND gate U1 is all connected to the positive pole of described power supply 11, the earth terminal (pin 7) of integrated NAND gate U1 is connected to the negative pole of described power supply 11, the other end of described 3rd electric capacity C3 is connected to the output (pin 3) of described second NAND gate, the output of described second NAND gate is connected to an input (pin 4) of the 3rd NAND gate, another input (pin 5) of described 3rd NAND gate is connected to described governor circuit 221 to receive pwm signal by described second resistance R2, the output (pin 6) of described 3rd NAND gate is connected to the base stage of the first triode Q1, the base stage of the first triode Q1 is also connected to the positive pole of described power supply 11 by described 3rd resistance R3, the collector electrode of described first triode Q1 is connected to the positive pole of described power supply 11 by described 4th resistance R4, the grounded emitter of described first triode Q1, the base stage of described second triode Q2 is connected to the collector electrode of described first triode Q1 by the 5th resistance R5, the base stage of described 3rd triode Q3 is connected to the collector electrode of described first triode Q1 by the 6th resistance R6, the collector electrode of described second triode Q2 is connected to the positive pole of power supply 11, the grounded collector of the 3rd triode Q3, the emitter of described second triode Q2 is connected with the emitter of the 3rd triode Q3, and the base stage of the 4th triode Q4 is connected to by the 7th resistance R7, the base stage of the 4th triode Q4 is also by the 8th resistance R8 ground connection, the grounded emitter of described 4th triode Q4, the collector electrode of described 4th triode Q4 is connected to the positive pole of power supply 11 by described first inductance L 1.
The square wave driving force exported due to No. 6 pins of U1 is little, and the first triode Q1, the second triode Q2, the 3rd triode Q3, the 4th triode Q4 can amplify, and improves the driving force of signal.Square wave is high-frequency signal, and the 4th triode Q4 is actuated to make the first inductance L 1 and the first electric capacity C1 realize LC resonance as switch, and generate electromagnetic waves, the second inductance L 2 and the second electric capacity C2 can receive this electromagnetic wave and be converted to electric energy.
In sum, the utility model makes full use of the natural environmental condition in field, utilize wind energy, solar energy accumulators carry out electric energy supplement, effectively ensure that the powered operation of terminal, and the utility model provide not only power interface for terminal and carries out wired power taking, have also been devised wireless power supply module and carry out wireless power to corresponding terminal to wirelessly.
By reference to the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; do not departing under the ambit that the utility model aim and claim protect, also can make a lot of form, these all belong within protection of the present utility model.
Claims (8)
1. the electric power system for transmission line monitoring terminal, it is characterized in that, comprise solar energy electroplax (11), wind-driven generator (12), storage battery (14), for controlling the wind/light complementation controller (13) that described wind-driven generator (12) and solar energy electroplax (11) charge to described storage battery (14), the direct current that storage battery (14) exports is converted to the inverter (20) of alternating current, power interface (21), the wireless power supply module (22) that the voltage that described inverter (20) exports wirelessly is sent, described terminal comprises the power taking interface be connected with described power interface (21) and/or the wireless electricity-fetching module mated with wireless power supply module (22),
Wind-driven generator (12), solar energy electroplax (11) are all connected with wind/light complementation controller (13), wind/light complementation controller (13), storage battery (14), inverter (20) input connect successively, and power interface (21) and wireless power supply module (22) are connected to inverter (20) output respectively.
2. the electric power system for transmission line monitoring terminal according to claim 1, it is characterized in that, described wind/light complementation controller (13) comprising: three current-voltage sampling circuits be connected with wind-driven generator (12), solar energy electroplax (11) and storage battery (14) respectively; Connect two DC/DC converters of wind-driven generator (12) and storage battery (14), solar energy electroplax (11) and storage battery (14) respectively; And the single-chip microcomputer be connected with three current-voltage sampling circuits and two DC/DC converters respectively.
3. the electric power system for transmission line monitoring terminal according to claim 2, is characterized in that, the model of described single-chip microcomputer is PIC16F877A.
4. the electric power system for transmission line monitoring terminal according to claim 1, it is characterized in that, described inverter (20) comprises dsp controller, DC/DC circuit (201), inverter circuit (202), AC power;
DC/DC circuit (201) comprises energy storage inductor (L10), has 1 device for power switching of anti-paralleled diode, fly-wheel diode (D60), filter capacitor (C); Inverter circuit (202) comprises 4 device for power switching, the filter inductance (L20) with anti-paralleled diode;
The control end of all device for power switching is connected to the corresponding pin of dsp controller respectively to receive pwm signal, the positive pole of storage battery (14) is connected to the negative pole of described energy storage inductor (L10) one end and fly-wheel diode (D60) by a described device for power switching, filter capacitor (C) is connected between the other end of described energy storage inductor (L10) and the positive pole of fly-wheel diode (D60), the positive pole of fly-wheel diode (D60) is connected to the negative pole through storage battery (14), 4 device for power switching form two upper arm and two underarms of bridge circuit respectively, described upper arm and described underarm are a brachium pontis, two brachium pontis are all in parallel with filter capacitor (C), AC power is connected after described filter inductance (L20) and is connected between two upper arm and two connected nodes of underarm.
5. the electric power system for transmission line monitoring terminal according to claim 1, it is characterized in that, described wireless power supply module (22) comprising: governor circuit (221), under the control of described governor circuit (221) by the power conversion that described inverter (20) exports be the wave of oscillation power conversion circuits (222), for amplifying circuit (223) that the described wave of oscillation is amplified and the radiating circuit (224) for the described wave of oscillation amplified is sent in the mode of radio magnetic wave;
Described governor circuit (221), power conversion circuits (222), amplifying circuit (223), radiating circuit (224) are connected successively, and governor circuit (221), power conversion circuits (222), amplifying circuit (223) are connected to described inverter (20) respectively.
6. the electric power system for transmission line monitoring terminal according to claim 5, it is characterized in that, described radiating circuit (224) comprises the first inductance (L1) parallel with one another and the first electric capacity (C1), and described wireless electricity-fetching module comprises the second inductance (L2) parallel with one another and the second electric capacity (C2).
7. the electric power system for transmission line monitoring terminal according to claim 6, it is characterized in that, described power conversion circuits (222) comprises integrated NAND gate (U1), the first resistance (R1), the second resistance (R2) and the 3rd electric capacity (C3), described integrated NAND gate (U1) inside is integrated with the first NAND gate, the second NAND gate, the 3rd NAND gate
An input of described first NAND gate is connected to one end of described first resistance (R1) and one end of the 3rd electric capacity (C3) respectively, the other end of described first resistance (R1) is connected to the output of described first NAND gate and an input of the second NAND gate respectively, another input of described second NAND gate and another input of described first NAND gate are all connected to the positive pole of the AC power that inverter (20) exports, the other end of described 3rd electric capacity (C3) is connected to the output of described second NAND gate, the output of described second NAND gate is connected to an input of the 3rd NAND gate, another input of described 3rd NAND gate is connected to described governor circuit (221) by described second resistance (R2), the output of described 3rd NAND gate is connected to described amplifying circuit (223).
8. the electric power system for transmission line monitoring terminal according to claim 6, it is characterized in that, described amplifying circuit (223) comprises the first triode (Q1), second triode (Q2) of NPN type, the 3rd triode (Q3) of positive-negative-positive, the 4th triode (Q4) of NPN type, the 3rd resistance (R3), the 4th resistance (R4) of NPN type;
The collector electrode of described first triode (Q1) is connected to the positive pole of the AC power that described inverter (20) exports by described 4th resistance (R4), the base stage of described first triode (Q1) is connected to the output of described power conversion circuits (222), the base stage of described first triode (Q1) is also connected to the positive pole of the AC power that inverter (20) exports by described 3rd resistance (R3), the grounded emitter of described first triode (Q1), the base stage of described second triode (Q2) and the base stage of described 3rd triode (Q3) are all connected to the collector electrode of described first triode (Q1), the collector electrode of described second triode (Q2) is connected to the positive pole of the AC power that inverter (20) exports, the grounded collector of the 3rd triode (Q3), the emitter of described second triode (Q2) and the emitter of the 3rd triode (Q3) are all connected to the base stage of the 4th triode (Q4), the grounded emitter of described 4th triode (Q4), the collector electrode of described 4th triode (Q4) is connected to described radiating circuit (224).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420733930.3U CN204349856U (en) | 2014-11-28 | 2014-11-28 | For the electric power system of transmission line monitoring terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420733930.3U CN204349856U (en) | 2014-11-28 | 2014-11-28 | For the electric power system of transmission line monitoring terminal |
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| Publication Number | Publication Date |
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| CN204349856U true CN204349856U (en) | 2015-05-20 |
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| CN201420733930.3U Expired - Fee Related CN204349856U (en) | 2014-11-28 | 2014-11-28 | For the electric power system of transmission line monitoring terminal |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100963A (en) * | 2017-06-20 | 2018-12-28 | 周锡卫 | A kind of electric tool function detecting system and its control method |
| CN110323791A (en) * | 2019-08-07 | 2019-10-11 | 云南电网有限责任公司电力科学研究院 | Unmanned plane power supply system |
| CN116667543A (en) * | 2023-06-14 | 2023-08-29 | 东北电力大学 | Wireless power supply system for power transmission line and splicing sleeve inspection robot |
-
2014
- 2014-11-28 CN CN201420733930.3U patent/CN204349856U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100963A (en) * | 2017-06-20 | 2018-12-28 | 周锡卫 | A kind of electric tool function detecting system and its control method |
| CN110323791A (en) * | 2019-08-07 | 2019-10-11 | 云南电网有限责任公司电力科学研究院 | Unmanned plane power supply system |
| CN116667543A (en) * | 2023-06-14 | 2023-08-29 | 东北电力大学 | Wireless power supply system for power transmission line and splicing sleeve inspection robot |
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