CN211062181U - Human body induction voice prompt system for power transmission line - Google Patents

Human body induction voice prompt system for power transmission line Download PDF

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Publication number
CN211062181U
CN211062181U CN201922157237.1U CN201922157237U CN211062181U CN 211062181 U CN211062181 U CN 211062181U CN 201922157237 U CN201922157237 U CN 201922157237U CN 211062181 U CN211062181 U CN 211062181U
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China
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resistor
power supply
triode
module
voltage
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Inventor
姜国宇
黄锐
喻路
陈超
陈博
鲜盛
范龙成
刘海川
樊舒
李梦
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State Grid Corp of China SGCC
Dazu Power Supply Co of State Grid Chongqing Electric Power Co Ltd
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State Grid Corp of China SGCC
Dazu Power Supply Co of State Grid Chongqing Electric Power Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/56Power conversion systems, e.g. maximum power point trackers

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Abstract

The utility model provides a human response voice prompt system for transmission line, including speaker, speaker driver chip, infrared human body sensor, power supply unit, processing circuit and remote monitoring host computer; the output end of the infrared human body sensor is connected with the input end of the loudspeaker driving chip, and the driving output end of the loudspeaker driving chip is connected with the input end of the loudspeaker; the power supply unit comprises a photovoltaic power supply module, a commercial power supply module, a photovoltaic power supply detection module, a voltage stabilizing module and a voltage conversion module; the output end of the photovoltaic power supply module is connected with the input end of the voltage conversion module, the output end of the commercial power supply module is connected with the input end of the voltage stabilizing module, the output end of the voltage stabilizing module is connected with the input end of the voltage conversion module, the infrared human body sensor is powered by the photovoltaic power supply module or the commercial power supply module, and the voltage conversion module supplies power to the processing circuit, the loudspeaker driving chip and the loudspeaker; the human body can be detected and timely prompt can be carried out, electric shock accidents near the power transmission line are prevented, and power supply is reliable.

Description

Human body induction voice prompt system for power transmission line
Technical Field
The utility model relates to a voice prompt system especially relates to a human response voice prompt system for transmission line.
Background
In a low-voltage power transmission line (i.e. a commercial power supply line), the distance between the general power transmission line and the ground is relatively small, and although the distance satisfies a safety distance, the distance still causes harm to human bodies in some occasions, such as: often at the reservoir, the electric shock accident appears in the river side, this is because these transmission lines support through the pole, however, people's safety consciousness is not strong, often move about near transmission line, for example, when fishing, get rid of pole in-process fish tape winding transmission line and cause the electric shock accident, though often can set up "electrified in these places, danger" and so on the denoter and indicate, but the prompt effect is not obvious, therefore, people adopt voice prompt, although voice prompt has strengthened the prompt effect, but the stability of power supply lies in at open air voice prompt job stabilization's key point, prior art, often adopt photovoltaic power supply or direct commercial power to carry out power supply after the voltage conversion, these power supply modes all have respective defect: commercial power supply, single commercial power supply can satisfy the continuation, however, commercial power self has undulant, and long-term single commercial power supply that adopts causes the influence to voice prompt system, if pure photovoltaic power supply, then the photovoltaic power supply receives the influence of weather, battery, poor stability.
Therefore, in order to solve the above technical problems, it is necessary to provide a new technical means.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a human response voice prompt system for transmission line can not only detect the human body and can carry out timely suggestion, prevents near transmission line electric shock accident from appearing, and whole prompt system is by commercial power, the mutual power supply of coordinating of photovoltaic moreover to can enough ensure that entire system can last stable work, can avoid photovoltaic unstability and the single commercial power that uses to have a defect again.
The utility model provides a human response voice prompt system for transmission line, including speaker, speaker driver chip, infrared human body sensor, power supply unit, processing circuit and remote monitoring host computer;
the output end of the infrared human body sensor is connected with the input end of the loudspeaker driving chip, and the driving output end of the loudspeaker driving chip is connected with the input end of the loudspeaker;
the power supply unit comprises a photovoltaic power supply module, a commercial power supply module, a photovoltaic power supply detection module, a voltage stabilizing module and a voltage conversion module;
the output end of the photovoltaic power supply module is connected with the input end of the voltage conversion module, the output end of the commercial power supply module is connected with the input end of the voltage stabilizing module, the output end of the voltage stabilizing module is connected with the input end of the voltage conversion module, the infrared human body sensor is powered by the photovoltaic power supply module or the commercial power supply module, and the voltage conversion module supplies power to the processing circuit, the loudspeaker driving chip and the loudspeaker;
the photovoltaic power supply detection module is used for detecting the output state of the photovoltaic power supply module and outputting a detection signal to the processing circuit; the processing circuit is in wireless communication connection with the remote monitoring host.
Further, the photovoltaic power supply module comprises a photovoltaic cell SBAT, a photovoltaic charging management circuit SU1, a storage battery BAT and a storage battery voltage detection control circuit;
the output end of the photovoltaic cell SBAT is connected with the input end of the photovoltaic charging management circuit SU1, the output end of the photovoltaic charging management circuit SU1 is connected with the storage battery BAT, the output end of the storage battery BAT is connected with the input end of the storage battery voltage detection control circuit, the output end of the storage battery voltage detection control circuit is connected with the input end of the voltage conversion module, and the photovoltaic charging management circuit SU1 is a ZS6093 chip.
Further, the storage battery voltage detection control circuit comprises a PMOS tube Q5, a voltage regulator tube DW5, a triode Q6, a resistor R14, a resistor R15 and a resistor R16;
the source electrode of the PMOS tube Q5 is connected with the output end of the storage battery BAT, the drain electrode of the PMOS tube Q5 is connected with the input end of the power supply conversion module and the power supply end of the infrared human body sensor, the negative electrode of the voltage-regulator tube DW5 is connected with the source electrode of the PMOS tube Q5, the positive electrode of the voltage-regulator tube DW5 is grounded through a resistor R14, the positive electrode of the voltage-regulator tube DW5 is connected with the base electrode of the triode Q6 through a resistor R15, the emitter electrode of the triode Q6 is grounded through a resistor R16, the collector electrode of the triode Q6 is connected with the gate electrode of the PMOS tube Q5, and the gate electrode of the PMOS tube Q5 is.
Further, the utility power supply module comprises a relay, a resistor R1, a rectifying circuit, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a comparator U2, a triode Q2, a PMOS tube Q1, a voltage regulator U1, a voltage regulator DW1, a voltage regulator DW2, a capacitor C1 and a capacitor C2;
the positive input end of the rectifying circuit is connected with a live wire of a mains supply through a normally closed switch K1 of a relay, the output end of the rectifying circuit is connected with the source electrode of a PMOS tube Q1 through a resistor R1, the drain electrode of the PMOS tube Q1 is used as the output end of a mains supply power supply module, the grid electrode of a PMOS tube Q1 is connected with the source electrode of a PMOS tube Q1 through a resistor R9, the grid electrode of a PMOS tube Q1 is connected with the collector electrode of a triode Q2, the emitter electrode of a triode Q2 is grounded through a resistor R10, the base electrode of a triode Q2 is connected with the output end of a comparator U2 through a resistor R8, the source electrode of a PMOS tube Q1 is grounded after being connected in series through a resistor R2 and a resistor R2, the common connection point of the resistor R2 and the resistor R2 is connected with the same-phase end of the comparator U2, the common connection point of the resistor R2 and the resistor R2 is connected with the reference electrode of a voltage stabilizing source U2, the reference pole of a voltage-stabilizing source U1 is grounded through a capacitor C1, a common connection point of a resistor R2 and a resistor R3 is connected with the negative pole of a voltage-stabilizing source U1 through a resistor R4, a common connection point of a resistor R2 and a resistor R3 is connected with the negative pole of a voltage-stabilizing tube DW1, the positive pole of a voltage-stabilizing tube DW1 is grounded, a common connection point of a resistor R5 and a resistor R6 is connected with the negative pole of a voltage-stabilizing tube DW2, the positive pole of the voltage-stabilizing tube DW2 is grounded, the positive pole of a voltage-stabilizing source U1 is grounded, the negative pole of a voltage-stabilizing source U1 is connected with the inverting end of a comparator U2, and the inverting end of; one end of a coil J1 of the relay is grounded, and the other end of a coil J1 of the relay is connected with the output end of the photovoltaic power supply module through a resistor R17;
the voltage regulator U1 is a T L431 chip, and the comparator U2 is a L M2904 chip.
Further, the voltage stabilizing module comprises a triode Q3, a resistor R11, a voltage regulator tube DW3, a voltage regulator tube DW4 and a capacitor C3;
the collector of the triode Q3 is used as the input end of the voltage stabilizing module, the emitter of the triode Q3 is used as the output end of the voltage stabilizing module, the collector of the triode Q3 is connected with the base of the triode Q3 through a resistor R11, the base of the triode Q3 is connected with the negative electrode of a voltage stabilizing tube DW3, the positive electrode of the voltage stabilizing tube DW3 is grounded, the negative electrode of the voltage stabilizing tube DW4 is connected with the emitter of the triode Q3, the positive electrode of the voltage stabilizing tube DW4 is grounded, and the emitter of the triode Q3 is grounded through a capacitor C36.
Further, the photovoltaic power supply detection module comprises a resistor R11, a resistor R12, a resistor R13, a resistor R19, a resistor R20, a triode Q4, a triode Q7 and a photoresistor PR 1;
one end of the resistor R11 is connected to the output end of the voltage stabilizing module, the other end of the resistor R11 is grounded through the photoresistor PR1, the common connection point of the resistor R11 and the photoresistor PR1 is connected with the base electrode of the triode Q4, the emitter electrode of the triode Q4 is connected with the output end of the voltage stabilizing module through the resistor R12, and the collector electrode of the triode Q4 is connected with the detection input end of the processing circuit through the resistor R13;
one end of the resistor R20 is connected with the output end of the photovoltaic power supply module, the other end of the resistor R20 is grounded through a resistor R19, a common connection point between the resistor R20 and the resistor R19 is connected with the base electrode of the triode Q7, the collector electrode of the triode Q7 is connected with the detection input end of the processing circuit, and the emitter electrode of the triode Q7 is grounded.
Further, the infrared human body sensor is an HC-SR501 module.
Further, the loudspeaker driving chip is an ISD1402 chip.
Further, the processing circuit is in communication connection with the remote monitoring host through the mobile communication module.
Further, the processing circuit is an STC8A8K64S4A12 chip.
The utility model has the advantages that: through the utility model discloses, can not only detect the human body and can carry out timely suggestion, prevent near transmission line electric shock accident from appearing, whole reminder system is by commercial power, the mutual power supply of coordinating of photovoltaic moreover to can enough ensure that entire system can last stable work, can avoid the unstability of photovoltaic again and the single commercial power that uses to have a defect.
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is an electrical schematic diagram of the present invention.
Fig. 2 is a schematic circuit diagram of the utility model of the commercial power supply module and the voltage stabilizing module.
Fig. 3 is a schematic diagram of the battery voltage detection control circuit of the present invention.
Fig. 4 is a schematic diagram of the specific implementation structure of the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings in the specification:
the utility model provides a human response voice prompt system for transmission line, including speaker, speaker driver chip, infrared human body sensor, power supply unit, processing circuit and remote monitoring host computer;
the output end of the infrared human body sensor is connected with the input end of the loudspeaker driving chip, and the driving output end of the loudspeaker driving chip is connected with the input end of the loudspeaker;
the power supply unit comprises a photovoltaic power supply module, a commercial power supply module, a photovoltaic power supply detection module, a voltage stabilizing module and a voltage conversion module; the voltage stabilizing module outputs 12V direct current, and the voltage conversion module outputs 5V direct current;
the output end of the photovoltaic power supply module is connected with the input end of the voltage conversion module, the output end of the commercial power supply module is connected with the input end of the voltage stabilizing module, the output end of the voltage stabilizing module is connected with the input end of the voltage conversion module, the infrared human body sensor is powered by the photovoltaic power supply module or the commercial power supply module, and the voltage conversion module supplies power to the processing circuit, the loudspeaker driving chip and the loudspeaker;
the photovoltaic power supply detection module is used for detecting the output state of the photovoltaic power supply module and outputting a detection signal to the processing circuit, the processing circuit is in wireless communication connection with a remote monitoring host, in the practical use, a loudspeaker driving chip, an infrared human body sensor, a power supply unit and the processing circuit are integrated on a shell, as shown in fig. 4, 1 is a photovoltaic cell panel, 2 is a shell, 3 is a loudspeaker window, and a shutter or an isolation net is adopted to prevent external sundries from entering the shell, 4 is a loudspeaker, 5 is a circuit board integrating various circuits, 6 is an infrared human body sensor arranged on the outer side of the shell, the sensors are multiple, the detection directions of the sensors face different directions, the infrared human body sensor is an HC-SR501 module, the loudspeaker driving chip is an ISD1402 chip, the processing circuit is an STC8A8K64S4A12 chip, all chips in the market are in the prior art, the functions of the pins of all chips can be obtained by direct purchase and can be obtained at the same time, and descriptions of the pins of the chips and the typical peripheral circuits of the pins of the chips and the pins of the conventional STC8A 4, when the power supply module are detected, the power line, the photovoltaic power module, the power supply module, the power line is not only when the power supply module, the power line is detected by the power line, the infrared human body sensor, the power module, the power line, the power module, the power line, the power supply module, the power line is detected by the power line, the power module, the power line is detected by the power line, the power module.
In this embodiment, the photovoltaic power supply module includes a photovoltaic cell SBAT, a photovoltaic charging management circuit SU1, a storage battery BAT, and a storage battery voltage detection control circuit;
the output end of the photovoltaic cell SBAT is connected with the input end of the photovoltaic charging management circuit SU1, the output end of the photovoltaic charging management circuit SU1 is connected with the storage battery BAT, the output end of the storage battery BAT is connected with the input end of the storage battery voltage detection control circuit, the output end of the storage battery voltage detection control circuit is connected with the input end of the voltage conversion module, and the photovoltaic charging management circuit SU1 is a ZS6093 chip.
The storage battery voltage detection control circuit comprises a PMOS (P-channel metal oxide semiconductor) tube Q5, a voltage stabilizing tube DW5, a triode Q6, a resistor R14, a resistor R15 and a resistor R16;
the source electrode of a PMOS tube Q5 is connected with the output end of a storage battery BAT, the drain electrode of a PMOS tube Q5 is connected with the input end of a power conversion module and the power supply end of an infrared human body sensor, the negative electrode of a voltage regulator tube DW5 is connected with the source electrode of a PMOS tube Q5, the positive electrode of a voltage regulator tube DW5 is grounded through a resistor R14, the positive electrode of a voltage regulator tube DW5 is connected with the base electrode of a triode Q6 through a resistor R15, the emitter electrode of the triode Q6 is grounded through a resistor R16, the collector electrode of the triode Q6 is connected with the grid electrode of a PMOS tube Q5, the grid electrode of the PMOS tube Q5 is connected with the source electrode of a PMOS tube Q5 through a resistor R18, the voltage regulator tube DW5 is a detection tube, the reverse conducting voltage of the detection tube is selected according to actual needs, generally, a 12V lithium battery is adopted, the reverse conducting voltage of the DW5 can be set to be 9V, when the voltage stabilizing tube DW5 is cut off reversely, the voltage of the storage battery is lower than the safe voltage of the storage battery, the triode Q6 is cut off, so that the PMOS tube Q5 is cut off, the storage battery stops supplying power, and the over-discharge of the storage battery is prevented.
In this embodiment, the utility power supply module includes a relay, a resistor R1, a rectifier circuit, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a comparator U2, a triode Q2, a PMOS transistor Q1, a voltage regulator U1, a voltage regulator DW1, a voltage regulator DW2, a capacitor C1, and a capacitor C2; the rectifying circuit is a full-bridge rectifying circuit consisting of diodes;
the positive input end of the rectifying circuit is connected with a live wire of a mains supply through a normally closed switch K1 of a relay, the output end of the rectifying circuit is connected with the source electrode of a PMOS tube Q1 through a resistor R1, the drain electrode of the PMOS tube Q1 is used as the output end A of a mains supply power supply module, the grid electrode of a PMOS tube Q1 is connected with the source electrode of a PMOS tube Q1 through a resistor R9, the grid electrode of a PMOS tube Q1 is connected with the collector electrode of a triode Q2, the emitter electrode of a triode Q2 is grounded through a resistor R10, the base electrode of a triode Q2 is connected with the output end of a comparator U2 through a resistor R8, the source electrode of a PMOS tube Q1 is grounded after being connected in series through a resistor R2 and a resistor R2, the common connection point of the resistor R2 and the resistor R2 is connected with the same-phase end of the comparator U2, the common connection point of the resistor R2 and the resistor R2 is connected with the reference electrode of a voltage regulator U2, the reference pole of a voltage-stabilizing source U1 is grounded through a capacitor C1, a common connection point of a resistor R2 and a resistor R3 is connected with the negative pole of a voltage-stabilizing source U1 through a resistor R4, a common connection point of a resistor R2 and a resistor R3 is connected with the negative pole of a voltage-stabilizing tube DW1, the positive pole of a voltage-stabilizing tube DW1 is grounded, a common connection point of a resistor R5 and a resistor R6 is connected with the negative pole of a voltage-stabilizing tube DW2, the positive pole of the voltage-stabilizing tube DW2 is grounded, the positive pole of a voltage-stabilizing source U1 is grounded, the negative pole of a voltage-stabilizing source U1 is connected with the inverting end of a comparator U2, and the inverting end of; one end of a coil J1 of the relay is grounded, and the other end of a coil J1 of the relay is connected with the output end of the photovoltaic power supply module through a resistor R17;
the voltage stabilizing source U1 is a T L431 chip, the comparator U2 is a L M2904 chip, wherein the comparison machine U2, the voltage stabilizing source U1, the resistor R2, the resistor R3 and other elements form an overvoltage detection circuit, the voltage stabilizing source U1 is used for providing reference voltage for the comparator U2, when the detection voltage is equal to or smaller than a set value, the comparator U2 outputs high level, the triode Q2 is conducted, the PMOS tube Q1 is conducted, direct current rectified by the rectifying circuit is supplied to the voltage stabilizing module, when the detection voltage is larger than the set value, the comparator U2 outputs low level, the triode Q2 is cut off, and the PMOS tube Q1 is also cut off, so that the impact of overvoltage on subsequent circuits is prevented.
In this embodiment, the voltage stabilizing module includes a transistor Q3, a resistor R11, a voltage regulator tube DW3, a voltage regulator tube DW4, and a capacitor C3;
the collector of the triode Q3 is used as the input end of the voltage stabilizing module, the emitter of the triode Q3 is used as the output end of the voltage stabilizing module, the collector of the triode Q3 is connected with the base of the triode Q3 through a resistor R11, the base of the triode Q3 is connected with the negative electrode of a voltage stabilizing tube DW3, the positive electrode of the voltage stabilizing tube DW3 is grounded, the negative electrode of the voltage stabilizing tube DW4 is connected with the emitter of the triode Q3, the positive electrode of the voltage stabilizing tube DW4 is grounded, the emitter of the triode Q3 is grounded through a capacitor C3, and through the circuit, the direct current output by the rectifying circuit is stabilized at 12V, so that.
In this embodiment, the photovoltaic power supply detection module includes a resistor R11, a resistor R12, a resistor R13, a resistor R19, a resistor R20, a transistor Q4, a transistor Q7, and a photoresistor PR 1;
one end of the resistor R11 is connected to the output end of the voltage stabilizing module, the other end of the resistor R11 is grounded through the photoresistor PR1, the common connection point of the resistor R11 and the photoresistor PR1 is connected with the base electrode of the triode Q4, the emitter electrode of the triode Q4 is connected with the output end of the voltage stabilizing module through the resistor R12, and the collector electrode of the triode Q4 is connected with the detection input end of the processing circuit through the resistor R13;
one end of the resistor R20 is connected with the output end of the photovoltaic power supply module, the other end of the resistor R20 is grounded through a resistor R19, a common connection point between the resistor R20 and the resistor R19 is connected with the base electrode of the triode Q7, the collector electrode of the triode Q7 is connected with the detection input end of the processing circuit, and the emitter electrode of the triode Q7 is grounded.
In the system, the photovoltaic power supply is superior to the mains power supply, that is, under the conditions of sufficient light and stable voltage of the storage battery, the photovoltaic power supply is adopted all the time, but due to the alternation of day and night in one day, the daytime weather state and the like, the output of the photovoltaic cell SBAT can not meet the charging requirement of the storage battery, at the moment, the photovoltaic cell SBAT is converted into the mains power supply, namely, the storage battery voltage detection circuit judges whether the photovoltaic power generation is sufficient, under the condition that the photovoltaic power generation is sufficient, the voltage of the storage battery is supplemented in the discharging process and can not be lower than a safe voltage value, if the photovoltaic power generation is insufficient, the voltage of the storage battery can be lower than the safe voltage, the PMOS 86Q 24 is cut off, at the moment, a coil J1 of the relay loses the power, a switch; when the voltage of the storage battery is greater than the DW5 conduction voltage, the storage battery is restored to supply power, the relay works, the switch K1 is disconnected, the phototriode PR1 is used for detecting the illumination condition, when the illumination is sufficient, the resistance of the phototriode PR1 is extremely small, the triode Q4 is connected, a high level is output to the processing circuit, when the illumination is insufficient, the resistance value of the photoresistor PR1 is increased along with the reduction of the illumination, if the illumination is continuously reduced, the triode Q4 is cut off, a low level is output to the processing circuit, when the storage battery supplies power, the triode Q7 outputs a low level, when the storage battery does not supply power, the triode Q7 is cut off, a pin connected with the triode Q7 of the processing circuit is set to be a high level, whether the photovoltaic battery is normally supplied with power currently is judged through the triode Q4 and the triode Q7, if the Q4 outputs a high level, and the output of the triode Q7, for example, the storage battery is damaged, the photovoltaic battery is damaged, or the charging management circuit is damaged, the processing circuit feeds back alarm information to the remote monitoring host, and the remote monitoring host gives an alarm according to the alarm information, for example, an audible and visual alarm connected with the remote monitoring host gives an alarm; if triode Q4 outputs the low level, and triode Q7 also outputs the low level, show this moment that photovoltaic power supply module can not satisfy the power consumption demand, for example at night or rainy weather, there is almost no light or light promptly is dark weak this moment, photovoltaic cell can not produce the electric energy or produce the electric energy seriously not enough, trun into commercial power supply, processing circuit control triode Q8 is in the conducting state, make whether triode Q6 switches on PMOS pipe Q5 and all can block, the battery can not supply power outward, in case triode Q4 outputs the high level, processing circuit can control triode Q8 to block immediately.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (10)

1. The utility model provides a human response voice prompt system for transmission line which characterized in that: the system comprises a loudspeaker, a loudspeaker driving chip, an infrared human body sensor, a power supply unit, a processing circuit and a remote monitoring host;
the output end of the infrared human body sensor is connected with the input end of the loudspeaker driving chip, and the driving output end of the loudspeaker driving chip is connected with the input end of the loudspeaker;
the power supply unit comprises a photovoltaic power supply module, a commercial power supply module, a photovoltaic power supply detection module, a voltage stabilizing module and a voltage conversion module;
the output end of the photovoltaic power supply module is connected with the input end of the voltage conversion module, the output end of the commercial power supply module is connected with the input end of the voltage stabilizing module, the output end of the voltage stabilizing module is connected with the input end of the voltage conversion module, the infrared human body sensor is powered by the photovoltaic power supply module or the commercial power supply module, and the voltage conversion module supplies power to the processing circuit, the loudspeaker driving chip and the loudspeaker;
the photovoltaic power supply detection module is used for detecting the output state of the photovoltaic power supply module and outputting a detection signal to the processing circuit; the processing circuit is in wireless communication connection with the remote monitoring host.
2. The human body induction voice prompt system for the power transmission line according to claim 1, characterized in that: the photovoltaic power supply module comprises a photovoltaic cell SBAT, a photovoltaic charging management circuit SU1, a storage battery BAT and a storage battery voltage detection control circuit;
the output end of the photovoltaic cell SBAT is connected with the input end of the photovoltaic charging management circuit SU1, the output end of the photovoltaic charging management circuit SU1 is connected with the storage battery BAT, the output end of the storage battery BAT is connected with the input end of the storage battery voltage detection control circuit, the output end of the storage battery voltage detection control circuit is connected with the input end of the voltage conversion module, and the photovoltaic charging management circuit SU1 is a ZS6093 chip.
3. The human body induction voice prompt system for the power transmission line according to claim 2, characterized in that: the storage battery voltage detection control circuit comprises a PMOS (P-channel metal oxide semiconductor) tube Q5, a voltage stabilizing tube DW5, a triode Q6, a resistor R14, a resistor R15 and a resistor R16;
the source electrode of the PMOS tube Q5 is connected with the output end of the storage battery BAT, the drain electrode of the PMOS tube Q5 is connected with the input end of the power supply conversion module and the power supply end of the infrared human body sensor, the negative electrode of the voltage-regulator tube DW5 is connected with the source electrode of the PMOS tube Q5, the positive electrode of the voltage-regulator tube DW5 is grounded through a resistor R14, the positive electrode of the voltage-regulator tube DW5 is connected with the base electrode of the triode Q6 through a resistor R15, the emitter electrode of the triode Q6 is grounded through a resistor R16, the collector electrode of the triode Q6 is connected with the gate electrode of the PMOS tube Q5, and the gate electrode of the PMOS tube Q5 is.
4. The human body induction voice prompt system for the power transmission line according to claim 1, characterized in that: the commercial power supply module comprises a relay, a resistor R1, a rectifying circuit, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a comparator U2, a triode Q2, a PMOS tube Q1, a voltage regulator source U1, a voltage regulator tube DW1, a voltage regulator tube DW2, a capacitor C1 and a capacitor C2;
the positive input end of the rectifying circuit is connected with a live wire of a mains supply through a normally closed switch K1 of the relay, the output end of the rectifying circuit is connected with the source electrode of a PMOS tube Q1 through a resistor R1, the drain electrode of the PMOS tube Q1 is used as the output end of a mains supply power supply module, the grid electrode of the PMOS tube Q1 is connected with the source electrode of a PMOS tube Q1 through a resistor R9, the grid electrode of a PMOS tube Q1 is connected with the collector electrode of a triode Q2, the emitter electrode of the triode Q2 is grounded through a resistor R2, the base electrode of the triode Q2 is connected with the output end of a comparator U2 through a resistor R2, the source electrode of the PMOS tube Q2 is grounded after being connected in series through a resistor R2 and a resistor R2, the common connection point of the resistor R2 and the resistor R2 is connected with the same-phase end of the comparator U2, the common connection point of the resistor R2 and the resistor R2 is connected with the reference electrode of a voltage-stabilizing source U2 through a resistor R2, and a reference capacitor C of the voltage, a common connection point of the resistor R2 and the resistor R3 is connected with a negative electrode of a voltage stabilizing source U1 through a resistor R4, a common connection point of the resistor R2 and the resistor R3 is connected with a negative electrode of a voltage stabilizing tube DW1, a positive electrode of the voltage stabilizing tube DW1 is grounded, a common connection point of the resistor R5 and the resistor R6 is connected with a negative electrode of the voltage stabilizing tube DW2, a positive electrode of the voltage stabilizing tube DW2 is grounded, a positive electrode of the voltage stabilizing source U1 is grounded, a negative electrode of the voltage stabilizing source U1 is connected with an inverting end of a comparator U2, and an inverting end of the comparator U2 is grounded through a capacitor C2; one end of a coil J1 of the relay is grounded, and the other end of a coil J1 of the relay is connected with the output end of the photovoltaic power supply module through a resistor R17;
the voltage regulator U1 is a T L431 chip, and the comparator U2 is a L M2904 chip.
5. The human body induction voice prompt system for the power transmission line according to claim 1, characterized in that: the voltage stabilizing module comprises a triode Q3, a resistor R11, a voltage stabilizing tube DW3, a voltage stabilizing tube DW4 and a capacitor C3;
the collector of the triode Q3 is used as the input end of the voltage stabilizing module, the emitter of the triode Q3 is used as the output end of the voltage stabilizing module, the collector of the triode Q3 is connected with the base of the triode Q3 through a resistor R11, the base of the triode Q3 is connected with the negative electrode of a voltage stabilizing tube DW3, the positive electrode of the voltage stabilizing tube DW3 is grounded, the negative electrode of the voltage stabilizing tube DW4 is connected with the emitter of the triode Q3, the positive electrode of the voltage stabilizing tube DW4 is grounded, and the emitter of the triode Q3 is grounded through a capacitor C36.
6. The human body induction voice prompt system for the power transmission line according to claim 1, characterized in that: the photovoltaic power supply detection module comprises a resistor R11, a resistor R12, a resistor R13, a resistor R19, a resistor R20, a triode Q4, a triode Q7 and a photoresistor PR 1;
one end of the resistor R11 is connected to the output end of the voltage stabilizing module, the other end of the resistor R11 is grounded through the photoresistor PR1, the common connection point of the resistor R11 and the photoresistor PR1 is connected with the base electrode of the triode Q4, the emitter electrode of the triode Q4 is connected with the output end of the voltage stabilizing module through the resistor R12, and the collector electrode of the triode Q4 is connected with the detection input end of the processing circuit through the resistor R13;
one end of the resistor R20 is connected with the output end of the photovoltaic power supply module, the other end of the resistor R20 is grounded through a resistor R19, a common connection point between the resistor R20 and the resistor R19 is connected with the base electrode of the triode Q7, the collector electrode of the triode Q7 is connected with the detection input end of the processing circuit, and the emitter electrode of the triode Q7 is grounded.
7. The human body induction voice prompt system for the power transmission line according to claim 1, characterized in that: the infrared human body sensor is an HC-SR501 module.
8. The human body induction voice prompt system for the power transmission line according to claim 1, characterized in that: the loudspeaker driving chip is an ISD1402 chip.
9. The human body induction voice prompt system for the power transmission line according to claim 1, characterized in that: the processing circuit is in communication connection with the remote monitoring host through the mobile communication module.
10. The human body induction voice prompt system for the power transmission line according to claim 1, characterized in that: the processing circuit is an STC8A8K64S4A12 chip.
CN201922157237.1U 2019-12-05 2019-12-05 Human body induction voice prompt system for power transmission line Active CN211062181U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112201018A (en) * 2020-10-10 2021-01-08 贵州电网有限责任公司 Intelligent rod climbing anti-fishing alarm device
CN113936438A (en) * 2021-10-12 2022-01-14 国家电网有限公司 Underground cable operating environment monitoring and early warning device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112201018A (en) * 2020-10-10 2021-01-08 贵州电网有限责任公司 Intelligent rod climbing anti-fishing alarm device
CN113936438A (en) * 2021-10-12 2022-01-14 国家电网有限公司 Underground cable operating environment monitoring and early warning device
CN113936438B (en) * 2021-10-12 2022-12-13 国家电网有限公司 Underground cable operating environment monitoring and early warning device

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