CN108566698B - Street lamp embedded real-time control device based on Lora - Google Patents
Street lamp embedded real-time control device based on Lora Download PDFInfo
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- CN108566698B CN108566698B CN201810038152.9A CN201810038152A CN108566698B CN 108566698 B CN108566698 B CN 108566698B CN 201810038152 A CN201810038152 A CN 201810038152A CN 108566698 B CN108566698 B CN 108566698B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
- H05B47/19—Controlling the light source by remote control via wireless transmission
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention relates to an embedded real-time control device of a street lamp based on Lora, and belongs to the technical field of data acquisition and lamp control. The intelligent street lamp comprises a power supply module, a singlechip module, a Lora wireless communication module, a pressure sensing belt circuit and a street lamp control module; the power module is respectively connected with the singlechip module, the pressure sensing belt circuit and the street lamp control module, the pressure sensing belt circuit is connected with the singlechip module, and the singlechip module is connected with the Lora wireless communication module and the street lamp control module. The invention effectively saves the electric energy consumption of the street lamp when the street lamp is idle at night, can monitor the traffic flow of the current road, has wide application field and provides a large amount of data for intelligent traffic.
Description
Technical Field
The invention relates to an embedded real-time control device of a street lamp based on Lora, and belongs to the technical field of data acquisition and lamp control.
Background
With the development of cities, more and more street lamps are used as road infrastructure, so that great convenience is provided for night illumination of people, but the street lamps are convenient and consume a large amount of electric energy. Along with the aggravation of environmental pollution and energy crisis, energy conservation and consumption reduction are also more and more important, and the traditional road streetlamp is always bright all night, so that energy waste is caused.
The traditional street lamp adopts halogen lamps to illuminate, the photo effect of the lamps is not good, and at present, an LED lamp is adopted as illumination equipment in many street lamps, but the problem of energy loss caused by the fact that the street lamp is in a power supply state at any moment still cannot be solved. Meanwhile, the monitoring of the traffic flow also shows the phenomenon of inaccurate data, and due to the reasons of double lanes or multiple lanes, the situation that one lane is jammed is judged to be the road section jam, and the traffic flow of some lanes is probably not big. The invention combines night traffic flow statistics and street lamp control of a road into a whole, and designs a comprehensive system for road street lamp and traffic flow detection based on Lora.
Disclosure of Invention
The invention aims to solve the technical problems that: the invention provides a Lora-based street lamp embedded real-time control device, which is used for solving the problem of energy loss caused by the fact that the street lamp is in a power supply state at any moment and providing a large amount of data for intelligent traffic.
The technical scheme of the invention is as follows: the embedded real-time control device of the street lamp based on Lora comprises a power supply module 1, a singlechip module 2, a Lora wireless communication module 3, a voltage-sensitive circuit 4 and a street lamp control module 5; the power module 1 is respectively connected with the singlechip module 2, the voltage-sensitive belt circuit 4 and the street lamp control module 5, the voltage-sensitive belt circuit 4 is connected with the singlechip module 2, and the singlechip module 2 is connected with the Lora wireless communication module 3 and the street lamp control module 5.
The singlechip module 2 and the street lamp control module 5 are all in a plurality,
the pressure sensing circuit 4 is used for collecting pressure signals, converting the pressure signals into electric signals and sending the electric signals to one of the singlechip modules 2 to serve as a starting trigger signal;
the singlechip module 2 is used for sending the pressure start trigger signal acquired for the first time to the Lora wireless communication module 3, receiving the start trigger signal sent by the Lora wireless communication module 3, and retransmitting the signal to the street lamp control module 5;
the Lora wireless communication module 3 is used for receiving a pressure start trigger signal sent by one single-chip microcomputer module 2 which receives the pressure start trigger signal, and then sending the signal to other single-chip microcomputer modules 2;
the street lamp control module 5 is used for driving the MOSFET driving circuit according to the starting trigger signal of the singlechip module 2 and controlling the on-off of the street lamp.
The power module 1 comprises a resistor R9, a resistor R10, a resistor R11, a resistor R12, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, an inductor L1 and a chip SX2106; the 220V voltage input interface is connected with one end of a resistor R9 and one end of a capacitor C3, the other end of the resistor R9 is connected with one end of a resistor R10 and one end of a capacitor C4, the other end of the resistor R10 is connected with a No. 5 pin VIN of a chip SX2106, the other end of the resistor R10 is connected with a No. 4 pin SHDN of the chip SX2106, a No. 1 pin BST of the chip SX2106 is connected with one end of a capacitor C5, the other end of the capacitor C5 and a No. 6 pin LX of the chip SX2106 are connected with one end of an inductor L1, the other end of the inductor L1 is connected with one end of a resistor R11 and one end of a capacitor C6, voltage is output by 3.3V, a No. 3 pin FB of the chip SX2106 is connected with the other end of the resistor R11 and one end of a resistor R12, the other end of the resistor R12 and the other end of the capacitor C6 are connected with one end of the capacitor C5, and the other end of the chip SX2106 is grounded.
The singlechip module 2 comprises a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a diode D1, a diode D2, a diode D3, a diode D4, a diode D5, a diode D6, a diode D7, a diode D8, a singlechip STC15W404S, a KEY1, a KEY2 and a OR gate chip; wherein P0.0 of the SCM STC15W404S is connected with SCK of the Lora wireless communication module 3, P0.1 of the SCM STC15W404S is connected with MOSI of the Lora wireless communication module 3, P0.2 of the SCM STC15W404S is connected with CE of the Lora wireless communication module 3, P0.3 of the SCM STC15W404S is connected with CSN of the Lora wireless communication module 3, P0.4-P0.7 and P1.1-P1.3 of the SCM STC15W404S are respectively connected with one end of a resistor R1-R8, then the other end of the resistor R1-R8 is connected with cathode of a diode D1-D8, anode of the diode D1-D8 is commonly connected with 3.3V voltage, P4.5 of the SCM STC15W404S is connected with IRO of the Lora wireless communication module 3, P2.7 of the SCM STC15W404S is connected with MOSO of the Lora wireless communication module 3, P3.1 of the SCM STC15W404S is connected with one end of a KEY, P1 of the KEY of the SCM STC15W404S is connected with VCC 1-D2, and the other end of the KEY2 is connected with VCC 404S is connected with one end of the KEY2, and the KEY2 of the KEY2 is connected with the KEY2 of the STC is connected with one end of the STC 404.
The Lora wireless communication module 3 comprises a capacitor C1, a capacitor C2, an antenna T1 and a Lora chip; the Lora chip adopts an Ra-01 chip, wherein a No. 3 pin of the Lora chip is connected with one ends of a capacitor C1 and a capacitor C2, the other ends of the capacitor C1 and the capacitor C2 are grounded, a No. 5 pin of the Lora chip is connected with P4.5 of a single chip microcomputer STC15W404S, a No. 13 pin of the Lora chip is connected with P2.7 of the single chip microcomputer STC15W404S, a No. 12 pin of the Lora chip is connected with P0.0 of the single chip microcomputer STC15W404S, a No. 14 pin of the Lora chip is connected with P0.1 of the single chip microcomputer STC15W404S, a No. 15 pin of the Lora chip is connected with P0.3 of the single chip microcomputer STC15W404S, a No. 1 pin of the Lora chip is connected with an antenna T1, and No. 9, no. 16 and No. 2 pins of the Lora chip are all grounded.
The pressure-sensitive belt circuit 4 mainly comprises a piezoresistive pressure sensor MPXV5050GP, the pressure sensor is a small sensor which is internally provided with a convex pressure-sensitive belt, micro mechanical vibration can be sensed through the piezoresistive pressure sensor, two times of vibration are set to be recorded once, because the pressure sensor is embedded, information acquired is transmitted through wiring on the side of a road, the No. 2 pin of the piezoresistive pressure sensor MPXV5050GP is connected with 5V voltage, the No. 3 pin is grounded, and the No. 4 pin is connected with P2.0 of a singlechip STC15W 404S.
The street lamp control module 5 comprises a MOSFET driving circuit, a voltage input driving circuit, a MOSFET transistor M1 m2.....m (n-1), a process for the preparation of the composition. Mn, LED street lamp L1 l2. lj.l (n-1), ln; the output pins P2.3, P2.4, P2.5 and P2.6 of the STC15W404S series singlechip PDIP40 are respectively connected with the input ends of the MOSFET driving circuit, the output ends of the MOSFET driving circuit are respectively connected with the grid electrodes of the MOSFET transistors M1, M2..M (n-1) and Mn, and the drain electrodes and the source electrodes of the MOSFET transistors are respectively connected with the output ends of the voltage input driving circuit and one ends of the LED street lamps L1, L2..L (n-1) and Ln; the other ends of the LED street lamps L1, L2 are connected with the other output end of the voltage input driving circuit, the input end of the voltage input driving circuit is respectively connected with the live wire L and the zero line N of the mains supply, wherein the input and output pins of the singlechip are uncertain pins and can be connected with other related pins suitable for a system.
The beneficial effects of the invention are as follows:
1. the invention effectively saves the electric energy consumption of the street lamp when the street lamp is idle at night, can monitor the traffic flow of the current road, has wide application field, and can be expanded to aspects of intelligent life;
2. the intelligent traffic system is based on the data acquired by the road comprehensive system, the acquired data is shared by the cloud, related departments can acquire corresponding data, and meanwhile, part of the data is shared with Internet companies.
Drawings
FIG. 1 is a frame diagram of the present invention;
FIG. 2 is a schematic diagram of an inventive SCM module circuit;
FIG. 3 is a schematic circuit diagram of the street lamp control module of the present invention;
FIG. 4 is a schematic circuit diagram of a Lora wireless communication module of the present invention;
FIG. 5 is a schematic diagram of a 220V to 3.3V voltage conversion power module according to the present invention;
fig. 6 is a schematic diagram of a voltage-sensitive circuit of the present invention.
The reference numerals in fig. 1: the system comprises a 1-power module, a 2-singlechip module, a 3-Lora wireless communication module, a 4-voltage-sensing band circuit and a 5-street lamp control module.
Detailed Description
The invention will be further described with reference to the drawings and the specific examples.
Example 1: as shown in fig. 1-6, the embedded real-time control device of the street lamp based on the Lora comprises a power supply module 1, a singlechip module 2, a Lora wireless communication module 3, a voltage-sensitive circuit 4 and a street lamp control module 5; the power module 1 is respectively connected with the singlechip module 2, the voltage-sensitive belt circuit 4 and the street lamp control module 5, the voltage-sensitive belt circuit 4 is connected with the singlechip module 2, and the singlechip module 2 is connected with the Lora wireless communication module 3 and the street lamp control module 5.
Furthermore, the singlechip module 2 and the street lamp control module 5 are all provided with a plurality of,
the pressure sensing circuit 4 is used for collecting pressure signals, converting the pressure signals into electric signals and sending the electric signals to one of the singlechip modules 2 to serve as a starting trigger signal;
the singlechip module 2 is used for sending the pressure start trigger signal acquired for the first time to the Lora wireless communication module 3, receiving the start trigger signal sent by the Lora wireless communication module 3, and retransmitting the signal to the street lamp control module 5;
the Lora wireless communication module 3 is used for receiving a pressure start trigger signal sent by one single-chip microcomputer module 2 which receives the pressure start trigger signal, and then sending the signal to other single-chip microcomputer modules 2;
the street lamp control module 5 is used for driving the MOSFET driving circuit according to the starting trigger signal of the singlechip module 2 and controlling the on-off of the street lamp.
Further, the power module 1 includes a resistor R9, a resistor R10, a resistor R11, a resistor R12, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, an inductor L1, and a chip SX2106; the 220V voltage input interface is connected with one end of a resistor R9 and one end of a capacitor C3, the other end of the resistor R9 is connected with one end of a resistor R10 and one end of a capacitor C4, the other end of the resistor R10 is connected with a No. 5 pin VIN of a chip SX2106, the other end of the resistor R10 is connected with a No. 4 pin SHDN of the chip SX2106, a No. 1 pin BST of the chip SX2106 is connected with one end of a capacitor C5, the other end of the capacitor C5 and a No. 6 pin LX of the chip SX2106 are connected with one end of an inductor L1, the other end of the inductor L1 is connected with one end of a resistor R11 and one end of a capacitor C6, voltage is output by 3.3V, a No. 3 pin FB of the chip SX2106 is connected with the other end of the resistor R11 and one end of a resistor R12, the other end of the resistor R12 and the other end of the capacitor C6 are connected with one end of the capacitor C5, and the other end of the chip SX2106 is grounded.
Further, the singlechip module 2 includes a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a diode D1, a diode D2, a diode D3, a diode D4, a diode D5, a diode D6, a diode D7, a diode D8, a singlechip STC15W404S, a KEY1, a KEY2, or a gate chip; wherein P0.0 of the SCM STC15W404S is connected with SCK of the Lora wireless communication module 3, P0.1 of the SCM STC15W404S is connected with MOSI of the Lora wireless communication module 3, P0.2 of the SCM STC15W404S is connected with CE of the Lora wireless communication module 3, P0.3 of the SCM STC15W404S is connected with CSN of the Lora wireless communication module 3, P0.4-P0.7 and P1.1-P1.3 of the SCM STC15W404S are respectively connected with one end of a resistor R1-R8, then the other end of the resistor R1-R8 is connected with cathode of a diode D1-D8, anode of the diode D1-D8 is commonly connected with 3.3V voltage, P4.5 of the SCM STC15W404S is connected with IRO of the Lora wireless communication module 3, P2.7 of the SCM STC15W404S is connected with MOSO of the Lora wireless communication module 3, P3.1 of the SCM STC15W404S is connected with one end of a KEY, P1 of the KEY of the SCM STC15W404S is connected with VCC 1-D2, and the other end of the KEY2 is connected with VCC 404S is connected with one end of the KEY2, and the KEY2 of the KEY2 is connected with the KEY2 of the STC is connected with one end of the STC 404.
Further, the Lora wireless communication module 3 includes a capacitor C1, a capacitor C2, an antenna T1, and a Lora chip; the Lora chip adopts an Ra-01 chip, wherein a No. 3 pin of the Lora chip is connected with one ends of a capacitor C1 and a capacitor C2, the other ends of the capacitor C1 and the capacitor C2 are grounded, a No. 5 pin of the Lora chip is connected with P4.5 of a single chip microcomputer STC15W404S, a No. 13 pin of the Lora chip is connected with P2.7 of the single chip microcomputer STC15W404S, a No. 12 pin of the Lora chip is connected with P0.0 of the single chip microcomputer STC15W404S, a No. 14 pin of the Lora chip is connected with P0.1 of the single chip microcomputer STC15W404S, a No. 15 pin of the Lora chip is connected with P0.3 of the single chip microcomputer STC15W404S, a No. 1 pin of the Lora chip is connected with an antenna T1, and No. 9, no. 16 and No. 2 pins of the Lora chip are all grounded.
Further, the pressure-sensitive circuit 4 mainly includes a piezoresistive pressure sensor MPXV5050GP, the pressure sensor is a small sensor with a built-in protruding pressure-sensitive belt, and the piezoresistive pressure sensor can sense micro mechanical vibration, and set two times of vibration to be a record, because the piezoresistive pressure sensor is embedded, the collected information will be transmitted through wiring on the road side, pin No. 2 of the piezoresistive pressure sensor MPXV5050GP is connected with 5V voltage, pin No. 3 is grounded, and pin No. 4 is connected with P2.0 of the single chip microcomputer STC15W 404S.
Further, the method comprises the steps of, the street lamp control module 5 comprises a MOSFET driving circuit, a voltage input driving circuit, a MOSFET transistor M1M 2..m. M (n-1), mn, LED street lamp L1 l2. lj.l (n-1), ln; the output pins P2.3, P2.4, P2.5 and P2.6 of the STC15W404S series singlechip PDIP40 are respectively connected with the input ends of the MOSFET driving circuit, the output ends of the MOSFET driving circuit are respectively connected with the grid electrodes of the MOSFET transistors M1, M2..M (n-1) and Mn, and the drain electrodes and the source electrodes of the MOSFET transistors are respectively connected with the output ends of the voltage input driving circuit and one ends of the LED street lamps L1, L2..L (n-1) and Ln; the other ends of the LED street lamps L1, L2 are connected with the other output end of the voltage input driving circuit, the input end of the voltage input driving circuit is respectively connected with the live wire L and the zero line N of the mains supply, wherein the input and output pins of the singlechip are uncertain pins and can be connected with other related pins suitable for a system.
The working principle of the power supply module is as follows: in the voltage conversion part, 220V voltage is input into the voltage input port, voltage change is carried out through the SX2106 voltage conversion chip, the main function of the voltage conversion part is voltage stabilization and voltage reduction, then voltage conversion is carried out through the voltage division circuit and the filter circuit, and the voltage after voltage conversion is a standard output voltage of 5V. In addition, 220V voltage output from the voltage output port is connected with the street lamp control module, and directly forms a loop with the street lamp control circuit, and the closing of the loop is controlled by the MOSFET driving circuit.
Lora wireless communication module theory of operation: a part of interfaces of the Loraxin chip are connected with STC15W404S series singlechips, the singlechips send digital signals to pins corresponding to the Lora of the chip through I/O ports, and then the digital signals are transmitted to other singlechips through the Lora to simultaneously control a plurality of groups of street lamp driving circuits, so that delay control is realized, and the purposes of energy conservation and consumption reduction are achieved.
The operating principle of the pressure sensitive circuit is as follows: the pressure sensing belt installed on the road is a monitoring device slightly protruding from the road surface, the road is traversed, when an object passes through the pressure sensing belt, the piezoresistive pressure sensor MPXV5050GP converts a mechanical pressure signal into an electric signal, the electric signal is transmitted to the I/O port of the singlechip, and the signal is used as a starting trigger signal of the singlechip.
The street lamp control module mainly comprises a plurality of street lamps which are connected in parallel, a MOSFET driving circuit is designed in each independent street lamp loop, and the loop is closed only after the driving circuit is conducted, so that the street lamp is on.
The whole working principle of the invention is as follows: the power supply module converts the voltage of 220V into 5V output voltage, the output voltage supplies power to the singlechip module, and the singlechip module transmits signals through the pins and the Lora wireless communication module. Meanwhile, the street lamp control module is directly connected with 220V input voltage, is powered through a live wire and a zero wire, and controls the on-off of a street lamp circuit through controlling the MOSFET driving circuit, so that the street lamp is controlled to be turned on and off. The single-chip microcomputer circuit is connected with the pressure sensing circuit, and after the pressure sensor in the pressure sensing circuit detects a pressure signal, the pressure sensing circuit sends a pulse signal to the single-chip microcomputer, and then the single-chip microcomputer sends a driving signal to the street lamp control circuit to drive the MOSFET driving circuit to control the on-off of the street lamp. In order to achieve the control of the street lamp in a wider range, after receiving the driving signal of one single-chip microcomputer module, one Lora wireless communication module can transmit the driving signal to other multiple single-chip microcomputer modules (including the single-chip microcomputer which firstly receives the pulse signal), so that the multiple street lamp control modules are controlled by the other multiple single-chip microcomputer modules, and the street lamp can be powered on in sequence by a delay control method, so that the effect of delay control of the street lamp is achieved.
(1) When the traffic flow is required to be detected, the pressure sensor detects a pressure signal, the pressure signal is amplified and then is output to the singlechip, and after analog-to-digital conversion is carried out in the singlechip, a pulse signal is output. Each time a pressure signal is detected, a high-level pulse is generated, the signal is transmitted to the Lora wireless communication module, the Lora wireless communication module transmits data of the signal to the singlechip module, so that traffic flow is determined, data sharing is realized, meanwhile, a delay signal is generated in the singlechip, and the pulse signal is sent out through a timer to control the on-off of the street lamp.
(2) When the state of the street lamp needs to be controlled, the pressure sensor detects a pressure signal, the pressure signal is amplified and then is transmitted to the singlechip, after analog-to-digital conversion is carried out in the singlechip, a delay signal is generated in the singlechip, a pulse signal is sent out through the timer, the output signal is transmitted to the MOSFET driving circuit, the conduction state of the MOSFET is controlled, so that the street lamp is controlled to be on and off, the street lamp at the rear part of the street lamp is controlled to be on and off corresponding to a trigger signal sent out by the pressure sensor in each induction section, and after the street lamp is on for a period of time, the street lamp is turned on and off through the delay.
(3) When the street lamp needs to be turned on and off rapidly, the LED street lamp can be turned on and off rapidly through the MOSFET transistor, meanwhile, the LED lamp is about 40% energy-saving compared with a traditional halogen lamp, the street lamp is turned on and off by matching with the traffic flow detection of the idle road section, at least 50% energy saving can be achieved in the road section, and about 80% energy saving is achieved comprehensively.
The specific embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (3)
1. The utility model provides a street lamp embedded real-time control device based on Lora which characterized in that: the street lamp control system comprises a power supply module (1), a singlechip module (2), a Lora wireless communication module (3), a pressure sensing belt circuit (4) and a street lamp control module (5); the power module (1) is respectively connected with the singlechip module (2), the pressure-sensitive belt circuit (4) and the street lamp control module (5), the pressure-sensitive belt circuit (4) is connected with the singlechip module (2), and the singlechip module (2) is connected with the Lora wireless communication module (3) and the street lamp control module (5);
the number of the singlechip modules (2) and the street lamp control modules (5) is several,
the pressure sensing belt circuit (4) is used for collecting pressure signals, converting the pressure signals into electric signals and sending the electric signals to one of the singlechip modules (2) to serve as a starting trigger signal;
the single chip microcomputer module (2) is used for sending the pressure start trigger signal acquired for the first time to the Lora wireless communication module (3), receiving the start trigger signal sent by the Lora wireless communication module (3) and retransmitting the signal to the street lamp control module (5);
the Lora wireless communication module (3) is used for receiving a pressure starting trigger signal sent by one single-chip microcomputer module (2) which receives the pressure starting trigger signal, and then sending the signal to other single-chip microcomputer modules (2);
the street lamp control module (5) is used for driving the MOSFET driving circuit according to the starting trigger signal of the singlechip module (2) to control the on-off of the street lamp;
the singlechip module (2) comprises a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a diode D1, a diode D2, a diode D3, a diode D4, a diode D5, a diode D6, a diode D7, a diode D8, a singlechip STC15W404S, a KEY KEY1, a KEY KEY2 and a OR gate chip; wherein P0.0 of the singlechip STC15W404S is connected with SCK of the Lora wireless communication module (3), P0.1 of the singlechip STC15W404S is connected with MOSI of the Lora wireless communication module (3), P0.2 of the singlechip STC15W404S is connected with CE of the Lora wireless communication module (3), P0.3 of the singlechip STC15W404S is connected with CSN of the Lora wireless communication module (3), P0.4-P0.7 and P1.1-P1.3 of the singlechip STC15W404S are respectively connected with one end of the resistors R1-R8, the other ends of the resistors R1-R8 are connected with cathodes of the diodes D1-D8, anodes of the diodes D1-D8 are connected with 3.3V voltage, P4.5 of the singlechip STC15W404S is connected with IRO of the Lora wireless communication module (3), P2.7 of the singlechip STC15W404S is connected with MOSO of the Lora wireless communication module (3), P3.1 of the singlechip STC15W404S is connected with one end of a KEY1, P3.0 of the singlechip STC15W404S is connected with one end of a KEY2, the other ends of the KEY1 and the KEY2 are respectively connected with pins 1 and 3 of an OR gate chip, pin 2 of the OR gate chip is grounded, VCC of the singlechip STC15W404S is connected with 5V voltage, and GND of the singlechip STC15W404S is grounded;
the Lora wireless communication module (3) comprises a capacitor C1, a capacitor C2, an antenna T1 and a Lora chip; the Lora chip adopts an Ra-01 chip, wherein a No. 3 pin of the Lora chip is connected with one end of a capacitor C1 and a capacitor C2, the other ends of the capacitor C1 and the capacitor C2 are grounded, a No. 5 pin of the Lora chip is connected with P4.5 of a single chip microcomputer STC15W404S, a No. 13 pin of the Lora chip is connected with P2.7 of the single chip microcomputer STC15W404S, a No. 12 pin of the Lora chip is connected with P0.0 of the single chip microcomputer STC15W404S, a No. 14 pin of the Lora chip is connected with P0.1 of the single chip microcomputer STC15W404S, a No. 15 pin of the Lora chip is connected with P0.3 of the single chip microcomputer STC15W404S, a No. 1 pin of the Lora chip is connected with an antenna T1, and No. 9, no. 16 and No. 2 pins of the Lora chip are all grounded;
the pressure sensing belt circuit (4) mainly comprises a piezoresistive pressure sensor MPXV5050GP, the pressure sensor is a small sensor which is internally provided with a convex pressure sensing belt, tiny mechanical vibration can be sensed through the piezoresistive pressure sensor, two times of vibration are set to be recorded once, because the pressure sensor is internally provided with the piezoresistive pressure sensor MPXV5050GP, the No. 2 pin of the piezoresistive pressure sensor MPXV5050GP is connected with 5V voltage, the No. 3 pin of the piezoresistive pressure sensor MPXV5050GP is grounded, and the No. 4 pin of the piezoresistive pressure sensor MPXV is connected with P2.0 of a singlechip STC15W 404S.
2. The Lora-based street lamp embedded real-time control device according to claim 1, wherein: the power module (1) comprises a resistor R9, a resistor R10, a resistor R11, a resistor R12, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, an inductor L1 and a chip SX2106; the 220V voltage input interface is connected with one end of a resistor R9 and one end of a capacitor C3, the other end of the resistor R9 is connected with one end of a resistor R10 and one end of a capacitor C4, the other end of the resistor R10 is connected with a No. 5 pin VIN of a chip SX2106, the other end of the resistor R10 is connected with a No. 4 pin SHDN of the chip SX2106, a No. 1 pin BST of the chip SX2106 is connected with one end of a capacitor C5, the other end of the capacitor C5 and a No. 6 pin LX of the chip SX2106 are connected with one end of an inductor L1, the other end of the inductor L1 is connected with one end of a resistor R11 and one end of a capacitor C6, voltage is output by 3.3V, a No. 3 pin FB of the chip SX2106 is connected with the other end of the resistor R11 and one end of a resistor R12, the other end of the resistor R12 and the other end of the capacitor C6 are connected with one end of the capacitor C5, and the other end of the chip SX2106 is grounded.
3. The Lora-based street lamp embedded real-time control device according to claim 1, wherein: the street lamp control module (5) comprises a MOSFET driving circuit, a voltage input driving circuit, MOSFET transistors M1 and M2, wherein M is M (n-1), mn and LED street lamps L1 and L2, L is L (n-1) and Ln; the output pins P2.3, P2.4, P2.5 and P2.6 of the STC15W404S series singlechip PDIP40 are respectively connected with the input ends of the MOSFET driving circuit, the output ends of the MOSFET driving circuit are respectively connected with the grid electrodes of the MOSFET transistors M1, M2..M (n-1) and Mn, and the drain electrodes and the source electrodes of the MOSFET transistors are respectively connected with the output ends of the voltage input driving circuit and one ends of the LED street lamps L1, L2..L (n-1) and Ln; the other ends of the LED street lamps L1 and L2 are connected with the other output end of the voltage input driving circuit, the input end of the voltage input driving circuit is respectively connected with the live wire L and the zero wire N of the commercial power.
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| CN109630958A (en) * | 2018-12-01 | 2019-04-16 | 北京博纳菲德科技有限公司 | A kind of environment-friendly type night roam lamp control device |
| CN109661064A (en) * | 2018-12-24 | 2019-04-19 | 江苏理工学院 | A kind of campus wisdom road lamp system realized based on real not time circuit detection unit |
| CN209606807U (en) | 2019-03-07 | 2019-11-08 | 达智汇智能制造(苏州)有限公司 | Data acquisition circuit plate and equipment monitoring system |
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