CN115643654A - Wisdom street lamp control system - Google Patents
Wisdom street lamp control system Download PDFInfo
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- CN115643654A CN115643654A CN202211380774.2A CN202211380774A CN115643654A CN 115643654 A CN115643654 A CN 115643654A CN 202211380774 A CN202211380774 A CN 202211380774A CN 115643654 A CN115643654 A CN 115643654A
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Abstract
The invention relates to the technical field of street lamp control, and provides an intelligent street lamp control system which comprises a two-way constant-current driving circuit, wherein the two-way constant-current driving circuit comprises a direct-current power supply B2, an MOS (metal oxide semiconductor) tube Q6, a capacitor C8, a diode D9, an inductor L1, a capacitor C9, a street lamp LED1, an MOS tube Q7, a diode D10, an inductor L2, a capacitor C10 and a street lamp LED2, and the anode of the direct-current power supply B2 is connected with the MOS tube Q6; the drain electrode and the source electrode of the MOS transistor Q6 are connected with the first end of the capacitor C8, the second end of the capacitor C8 is connected with the cathode of the diode D9, the second end of the capacitor C8 is connected with the first end of the inductor L1, the second end of the inductor L1 is connected with the cathode of the direct-current power supply B2, the anode of the diode D9 is connected with the first end of the capacitor C9, and the second end of the capacitor C9 is connected with the second end of the inductor L1. Through above-mentioned technical scheme, solved prior art, in street lamp lighting technology field, mostly be single power supply single street lamp of drive control, the drive circuit is comparatively single, does not possess the multiplexed output ability, problem that the cost is higher.
Description
Technical Field
The invention relates to the technical field of street lamp control, in particular to an intelligent street lamp control system.
Background
The LED street lamp is a street lamp manufactured by using an LED light source, has the unique advantages of high efficiency, safety, energy conservation, environmental protection, long service life, high response speed, high color rendering index and the like, and has very important significance for urban illumination energy conservation.
In the prior art, in the technical field of street lamp lighting, each street lamp needs one driving power supply, and the power supply cost is high.
Disclosure of Invention
The invention provides an intelligent street lamp control system, which solves the problems that in the prior art, in the technical field of street lamp illumination, a single power supply is used for driving and controlling a single street lamp, a driving circuit is single, the intelligent street lamp control system does not have the multi-output capability, and the cost is high.
The technical scheme of the invention is as follows:
the intelligent street lamp control system comprises a two-way constant current driving circuit, wherein the two-way constant current driving circuit comprises a direct current power supply B2, an MOS (metal oxide semiconductor) tube Q6, a capacitor C8, a diode D9, an inductor L1, a capacitor C9, a street lamp LED1, an MOS tube Q7, a diode D10, an inductor L2, a capacitor C10 and a street lamp LED2, and the anode of the direct current power supply B2 is connected with the MOS tube Q6; the source electrode of the MOS tube Q6 is connected with the first end of the capacitor C8, the second end of the capacitor C8 is connected with the cathode of the diode D9, the second end of the capacitor C8 is connected with the first end of the inductor L1, the second end of the inductor L1 is connected with the cathode of the DC power supply B2, the anode of the diode D9 is connected with the first end of the capacitor C9, the second end of the capacitor C9 is connected with the second end of the inductor L1, the first end of the capacitor C9 is connected with the cathode of the street lamp LED1, the anode of the street lamp LED1 is connected with the second end of the capacitor C9, the source electrode of the MOS tube Q6 is connected with the drain electrode of the MOS tube Q7, the source electrode of the MOS tube Q7 is connected with the first end of the inductor L2, the second end of the inductor L2 is connected with the cathode of the street lamp LED1, the first end of the inductor L2 is connected with the cathode of the diode D10, the anode of the diode D10 is connected with the first end of the capacitor C10, the second end of the inductor L2 is connected with the cathode of the street lamp LED 10, and the anode of the capacitor C2 is connected with the anode of the LED 10.
As a further technical scheme, the street lamp further comprises a switch circuit, wherein the switch circuit comprises an MOS tube Q1, an MOS tube Q2 and control circuits, the drain electrode of the MOS tube Q1 is connected with the first end of the capacitor C10, the source electrode of the MOS tube Q1 is connected with the cathode of the street lamp LED2, the drain electrode of the MOS tube Q2 is connected with the anode of the street lamp LED1, the source electrode of the MOS tube Q2 is connected with the second end of the capacitor C9, the number of the control circuits is two, and the two control circuits are respectively connected with the grid electrode of the MOS tube Q1 and the grid electrode of the MOS tube Q2.
As further technical scheme, control circuit includes resistance R7, opto-coupler U3 and resistance R8, MOS pipe Q2's grid is connected the projecting pole of opto-coupler U3 triode, resistance R7's first end is connected the projecting pole of opto-coupler U3 triode, resistance R7's second end ground connection, the collecting electrode VCC of opto-coupler U3 triode, the positive pole of opto-coupler U3 diode is connected resistance R8's first end, resistance R8's second end VCC, the negative pole of opto-coupler U3 diode is connected the street lamp control pin of singlechip.
As a further technical solution, the device further includes a fuse F1 and a diode D6, a negative electrode of the dc power supply B2 is connected to a first end of the fuse F1, a second end of the fuse F1 is grounded, a positive electrode of the dc power supply B2 is connected to a cathode of the diode D6, and a positive electrode of the diode D6 is grounded.
As a further technical solution, the voltage sampling circuit further includes a resistor R5, a resistor R6, a capacitor C2, and a zener diode D3, wherein the positive electrode of the dc power supply B2 is connected to the first end of the resistor R5, the second end of the resistor R5 is connected to the first end of the resistor R6, the second end of the resistor R5 is connected to the battery voltage sampling pin of the single chip, the second end of the resistor R6 is grounded, the first end of the resistor R6 is connected to the first end of the capacitor C2, the second end of the capacitor C2 is grounded, the first end of the capacitor C2 is connected to the cathode of the zener diode D3, and the anode of the zener diode D3 is grounded.
As a further technical scheme, the device further comprises an object detection circuit, wherein the object detection circuit comprises a pyroelectric infrared sensor T1, a resistor R9, a resistor R10, an operational amplifier U5, a resistor RP1, a resistor R12, a capacitor C3, a capacitor C4, a resistor RP1, a resistor R14, an operational amplifier U4, a resistor R13, a capacitor C5, an operational amplifier U6, an operational amplifier U7, a resistor R16, a rheostat RP2, a resistor R15, a diode D4 and a diode D5, a first power supply end of the pyroelectric infrared sensor T1 is connected with a power supply VCC, a second power supply end of the pyroelectric infrared sensor T1 is grounded, an output end of the pyroelectric infrared sensor T1 is connected with a first end of the resistor R9, an output end of the pyroelectric infrared sensor T1 is connected with the resistor R10, a second end of the resistor R10 is grounded, a second end of the resistor R9 is connected with an inverting input end of the operational amplifier U5, an in-phase input end of the operational amplifier U5 is connected with a first end of the resistor RP1, the second end of the resistor RP1 is grounded, the output end of the operational amplifier U5 is connected with the first end of the resistor R12, the second end of the resistor R12 is connected with the inverting input end of the operational amplifier U5, the first end of the resistor R12 is connected with the first end of the capacitor C3, the second end of the capacitor C3 is connected with the second end of the resistor R12, the output end of the operational amplifier U5 is connected with the first end of the capacitor C4, the second end of the capacitor C4 is connected with the first end of the resistor RP1, the second end of the resistor RP1 is connected with the inverting input end of the operational amplifier U4, the non-inverting input end of the operational amplifier U4 is grounded through the resistor R14, the output end of the operational amplifier U4 is connected with the first end of the resistor R13, the second end of the resistor R13 is connected with the inverting input end of the operational amplifier U4, and the first end of the resistor R13 is connected with the first end of the capacitor C5, the second end of the capacitor C5 is connected with the second end of the resistor R13, the output end of the operational amplifier U4 is connected with the non-inverting input end of the operational amplifier U6, the output end of the operational amplifier U4 is connected with the inverting input end of the operational amplifier U7, the inverting input end of the operational amplifier U6 is connected with the first end of the resistor R16, the second end of the resistor R16 is connected with a power supply VCC, the first end of the resistor R16 is connected with the first end of the rheostat RP2, the second end of the rheostat RP2 is connected with the non-inverting input end of the operational amplifier U7, the non-inverting input end of the operational amplifier U7 is connected with the first end of the resistor R15, the second end of the resistor R15 is grounded, and the cathode of the diode D4 is used as the output end of the object detection circuit and is connected with the single chip microcomputer.
The working principle and the beneficial effects of the invention are as follows:
according to the invention, a direct current power supply B2 is a driving power supply, the grids of an MOS transistor Q6 and an MOS transistor Q7 are respectively connected with a control signal, when the MOS transistor Q6 is conducted and the MOS transistor Q7 is closed, the direct current power supply B2 charges a capacitor C8 and an inductor L1 through the MOS transistor Q6, the capacitor C9 discharges electricity, and the inductor L2 charges a capacitor C10; when the MOS transistor Q6 is closed and the MOS transistor Q7 is conducted, the inductor L1 discharges to charge the capacitor C9, the current on the inductor L1 linearly decreases, the capacitor C8 discharges at the same time, the inductor L2 is charged through the MOS transistor Q7, and the capacitor C10 discharges; when the MOS transistor Q6 is closed and the MOS transistor Q7 is also closed, the inductor L1 and the inductor L2 are both discharged to charge the capacitor C9 and the capacitor C10, and the capacitor C8 is not discharged nor charged. Through the above process, the voltages of the capacitor C9 and the capacitor C10 are maintained at constant values, and power is supplied to the street lamp LED1 and the street lamp LED2, respectively.
According to the invention, the charging and discharging of the capacitor C9 and the capacitor C10 are realized by controlling the conduction and the closing of the MOS tube Q6 and the MOS tube Q7, so that the voltages at two ends of the capacitor C9 and the capacitor C10 are kept at constant values, thereby realizing the constant current output driving of a single driving power supply to two street lamps, solving the problem of high cost of a single output driving power supply, reducing the construction and maintenance cost, and facilitating the overhaul and control of a circuit.
Drawings
The invention is described in further detail below with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of a two-way constant current driving circuit according to the present invention;
FIG. 2 is a schematic diagram of a control circuit according to the present invention;
FIG. 3 is a schematic diagram of a voltage sampling circuit according to the present invention;
fig. 4 is a schematic diagram of an object detection circuit according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any inventive step, are intended to be within the scope of the present invention.
As shown in fig. 1, the present embodiment provides an intelligent street lamp control system, which includes a two-way constant current driving circuit, where the two-way constant current driving circuit includes a dc power supply B2, an MOS transistor Q6, a capacitor C8, a diode D9, an inductor L1, a capacitor C9, a street lamp LED1, an MOS transistor Q7, a diode D10, an inductor L2, a capacitor C10, and a street lamp LED2, and a positive electrode of the dc power supply B2 is connected to the MOS transistor Q6; the source electrode of the MOS tube Q6 is connected with the first end of the capacitor C8, the second end of the capacitor C8 is connected with the cathode of the diode D9, the second end of the capacitor C8 is connected with the first end of the inductor L1, the second end of the inductor L1 is connected with the cathode of the DC power supply B2, the anode of the diode D9 is connected with the first end of the capacitor C9, the second end of the capacitor C9 is connected with the second end of the inductor L1, the first end of the capacitor C9 is connected with the cathode of the street lamp LED1, the anode of the street lamp LED1 is connected with the second end of the capacitor C9, the source electrode of the MOS tube Q6 is connected with the drain electrode of the MOS tube Q7, the source electrode of the MOS tube Q7 is connected with the first end of the inductor L2, the second end of the inductor L2 is connected with the cathode of the street lamp LED1, the first end of the inductor L2 is connected with the cathode of the diode D10, the anode of the diode D10 is connected with the first end of the capacitor C10, the second end of the inductor L2 is connected with the cathode of the street lamp LED 10, and the anode of the capacitor C2 is connected with the anode of the LED 10.
In this embodiment, the dc power supply B2 is a power supply, the gates of the MOS transistors Q6 and Q7 are respectively connected to control signals, when the MOS transistor Q6 is turned on and the MOS transistor Q7 is turned off, the dc power supply B2 charges the capacitor C8 and the inductor L1 through the MOS transistor Q6 at this time, the capacitor C9 discharges, power is supplied to the street lamp LED1, the street lamp LED1 emits light, the inductor L2 charges the capacitor C10, current flows through the street lamp LED2 at the same time, the street lamp LED2 lights up, when the MOS transistor Q6 is turned off and the MOS transistor Q7 is turned on, the inductor L1 discharges to charge the capacitor C9 at this time, the current on the inductor L1 decreases linearly, discharge current flows through the street lamp LED1 at the same time, the street lamp LED1 emits light, the capacitor C8 discharges, the inductor L2 charges through the MOS transistor Q7, the capacitor C10 discharges, power is supplied to the street lamp 2, the LED2 lights up, when the MOS transistor Q6 is turned off and the MOS transistor Q7 is also turned off, the inductor L1 and the inductor L2 both discharge, discharge the capacitor C9 and the capacitor C10 discharge power supply and the charging circuit also turn off, thereby reducing the cost of driving the cost of the maintenance of the single power supply and the maintenance of the single LED, and the maintenance of the single power supply, thereby reducing the maintenance cost of the maintenance of the single LED.
Further, as shown in fig. 2, the street lamp further comprises a switch circuit, wherein the switch circuit comprises an MOS transistor Q1, an MOS transistor Q2 and a control circuit, a drain electrode of the MOS transistor Q1 is connected with a first end of the capacitor C10, a source electrode of the MOS transistor Q1 is connected with a cathode of the street lamp LED2, a drain electrode of the MOS transistor Q2 is connected with an anode of the street lamp LED1, a source electrode of the MOS transistor Q2 is connected with a second end of the capacitor C9, and the control circuit is provided with two control circuits which are respectively connected with a gate electrode of the MOS transistor Q1 and a gate electrode of the MOS transistor Q2.
Control circuit includes resistance R7, opto-coupler U3 and resistance R8, MOS pipe Q2's grid is connected the projecting pole of opto-coupler U3 triode, resistance R7's first end is connected the projecting pole of opto-coupler U3 triode, resistance R7's second end ground connection, the collecting electrode VCC that connects of opto-coupler U3 triode, the positive pole of opto-coupler U3 diode is connected resistance R8's first end, resistance R8's second end VCC that connects, the negative pole of opto-coupler U3 diode is connected the street lamp control pin of singlechip.
In the embodiment, under the condition of sufficient illumination in the daytime, the street lamp control pin of the single chip microcomputer controls and outputs a high level, namely the optocoupler U3 is not switched on, and the MOS tube Q2 is in a cut-off state, namely the street lamp LED1 and the street lamp LED2 are not lighted at the moment; coming at night, the street lamp control pin output low level of singlechip this moment, then opto-coupler U3 switches on, and then MOS pipe Q2 switches on, and then street lamp LED1 and street lamp LED 2's circuit switches on, and DC power supply B2 gives street lamp LED1 and street lamp LED2 power supply, and street lamp LED1 and street lamp LED2 illuminate, realize the automatic illumination at night.
It should be noted that the detection of the illumination may be implemented by setting an illumination sensor, which is common knowledge in the art and will not be described herein.
Further, as shown in fig. 3, the battery further includes a fuse F1 and a diode D6, a negative electrode of the dc power supply B2 is connected to the first end of the fuse F1, a second end of the fuse F1 is grounded, a positive electrode of the dc power supply B2 is connected to a cathode of the diode D6, and a positive electrode of the diode D6 is grounded.
In this embodiment, the fuse F1 and the diode D6 play a role of protection against reverse connection of the dc power supply B2.
Further, as shown in fig. 3, the voltage sampling circuit further includes a resistor R5, a resistor R6, a capacitor C2, and a zener diode D3, wherein an anode of the dc power supply B2 is connected to a first end of the resistor R5, a second end of the resistor R5 is connected to a first end of the resistor R6, a second end of the resistor R5 is connected to a voltage sampling pin of the single-chip microcomputer battery, a second end of the resistor R6 is grounded, a first end of the resistor R6 is connected to a first end of the capacitor C2, a second end of the capacitor C2 is grounded, a first end of the capacitor C2 is connected to a cathode of the zener diode D3, and an anode of the zener diode D3 is grounded.
In this embodiment, the voltage of the dc power supply B2 is divided by the series connection of the resistor R5 and the resistor R6, and is filtered by the capacitor C2 and subjected to overvoltage protection by the zener diode D3, the voltage drop across the resistor R6 is input to the single chip microcomputer as a sampling signal, the single chip microcomputer obtains the voltage of the dc power supply B2, and when the voltage of the dc power supply B1 is too high, the dc power supply is turned off in time, so that the circuit elements are prevented from being damaged by the too high voltage.
Further, as shown in fig. 4, the device further includes an object detection circuit, the object detection circuit includes a pyroelectric infrared sensor T1, a resistor R9, a resistor R10, an operational amplifier U5, a resistor RP1, a resistor R12, a capacitor C3, a capacitor C4, a resistor RP1, a resistor R14, an operational amplifier U4, a resistor R13, a capacitor C5, an operational amplifier U6, an operational amplifier U7, a resistor R16, a varistor RP2, a resistor R15, a diode D4, and a diode D5, a first power supply terminal of the pyroelectric infrared sensor T1 is connected to a power source VCC, a second power supply terminal of the pyroelectric infrared sensor T1 is grounded, an output terminal of the pyroelectric infrared sensor T1 is connected to a first terminal of the resistor R9, an output terminal of the pyroelectric infrared sensor T1 is connected to the resistor R10, a second terminal of the resistor R10 is grounded, a second terminal of the resistor R9 is connected to an inverting input terminal of the operational amplifier U5, an in-phase input terminal of the operational amplifier U5 is connected to a first terminal of the resistor RP1, the second end of the resistor RP1 is grounded, the output end of the operational amplifier U5 is connected with the first end of the resistor R12, the second end of the resistor R12 is connected with the inverting input end of the operational amplifier U5, the first end of the resistor R12 is connected with the first end of the capacitor C3, the second end of the capacitor C3 is connected with the second end of the resistor R12, the output end of the operational amplifier U5 is connected with the first end of the capacitor C4, the second end of the capacitor C4 is connected with the first end of the resistor RP1, the second end of the resistor RP1 is connected with the inverting input end of the operational amplifier U4, the non-inverting input end of the operational amplifier U4 is grounded through the resistor R14, the output end of the operational amplifier U4 is connected with the first end of the resistor R13, the second end of the resistor R13 is connected with the inverting input end of the operational amplifier U4, and the first end of the resistor R13 is connected with the first end of the capacitor C5, the second end of the capacitor C5 is connected with the second end of the resistor R13, the output end of the operational amplifier U4 is connected with the non-inverting input end of the operational amplifier U6, the output end of the operational amplifier U4 is connected with the inverting input end of the operational amplifier U7, the inverting input end of the operational amplifier U6 is connected with the first end of the resistor R16, the second end of the resistor R16 is connected with a power supply VCC, the first end of the resistor R16 is connected with the first end of the rheostat RP2, the second end of the rheostat RP2 is connected with the non-inverting input end of the operational amplifier U7, the non-inverting input end of the operational amplifier U7 is connected with the first end of the resistor R15, the second end of the resistor R15 is grounded, and the cathode of the diode D4 is used as the output end of the object detection circuit and is connected with the single chip microcomputer.
In this embodiment, the object detection is performed by using a pyroelectric infrared sensor T1, the pyroelectric infrared sensor T1 is a passive dual pyroelectric infrared sensor P2288, and a fresnel lens covers the surface of the pyroelectric infrared sensor T1 to improve the detection sensitivity. The pyroelectric infrared sensor T1 detects weak infrared energy emitted by a vehicle or a human body in a non-contact mode, and then converts the weak infrared energy into an electric signal to be output. If the pyroelectric infrared sensor T1 detects that the vehicle and the person enter a detection range, the pyroelectric infrared sensor T1 outputs a weak voltage signal, the signal is firstly input into an operational amplifier U5, the operational amplifier U5 amplifies the signal, the signal is further input into an operational amplifier U4 and further amplified, and secondary amplification of the signal is realized, wherein a resistor RP1 is used for adjusting secondary amplification times; then the output end signal of the operational amplifier U4 is input into a double-limit comparator composed of the operational amplifier U6 and the operational amplifier U7, the rheostat RP2 is used for setting two threshold levels UREF1 and UREF2 of the inverting input end of the operational amplifier U6 and the non-inverting input end of the operational amplifier U7, if the detection voltage is greater than UREFI, the U6 outputs high level, the U7 outputs low level, D4 is conducted and D5 is stopped, and the output of the object detection circuit is high level: if U6 outputs low level and U7 outputs high level when the detection voltage is lower than UREF2, D4 is cut off and D5 is switched on, and the output of the object detection circuit is high level: if the detection voltage is between UREF1 and UREF2, D4 and D5 stop, the output of the object detection circuit is low level, namely when a vehicle and a pedestrian pass through, the output of the object detection circuit is low level, a low level signal is input into the singlechip, the singlechip controls the street lamp L1 to emit light through the street lamp control pin, the street lamp is illuminated for the passing pedestrian and the passing vehicle, after the pedestrian and the passing vehicle pass through, the output of the object detection circuit returns to high level again, the singlechip controls the street lamp to be closed, the street lamp is controlled to be illuminated when the vehicle and the pedestrian pass through, the street lamp is controlled to be closed when no vehicle and pedestrian pass through, the intelligent control of the street lamp is realized, and the energy-saving effect is achieved.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The intelligent street lamp control system is characterized by comprising a two-way constant-current driving circuit, wherein the two-way constant-current driving circuit comprises a direct-current power supply B2, an MOS (metal oxide semiconductor) tube Q6, a capacitor C8, a diode D9, an inductor L1, a capacitor C9, a street lamp LED1, an MOS tube Q7, a diode D10, an inductor L2, a capacitor C10 and a street lamp LED2, and the positive electrode of the direct-current power supply B2 is connected with the MOS tube Q6; a drain electrode, the source electrode of MOS pipe Q6 is connected the first end of electric capacity C8, the second end of electric capacity C8 is connected the negative pole of diode D9, the second end of electric capacity C8 is connected the first end of inductance L1, the second end of inductance L1 is connected the negative pole of DC power supply B2, the positive pole of diode D9 is connected the first end of electric capacity C9, the second end of electric capacity C9 is connected the second end of inductance L1, the first end of electric capacity C9 is connected the negative pole of street lamp LED1, the positive pole of street lamp LED1 is connected the second end of electric capacity C9, the source electrode of MOS pipe Q6 is connected the drain electrode of MOS pipe Q7, the source electrode of MOS pipe Q7 is connected the first end of inductance L2, the second end of inductance L2 is connected the negative pole of street lamp LED1, the first end of inductance L2 is connected the negative pole of diode D10, the positive pole of diode D10 is connected the first end of electric capacity C10, the second end of electric capacity C10 is connected the second end of inductance L2, the second end of electric capacity C2 is connected the negative pole of street lamp LED 10, the negative pole of electric capacity C2 is connected the negative pole of LED 10 LED.
2. The intelligent street lamp control system according to claim 1, further comprising a switch circuit, wherein the switch circuit comprises a MOS transistor Q1, a MOS transistor Q2 and two control circuits, a drain of the MOS transistor Q1 is connected to the first end of the capacitor C10, a source of the MOS transistor Q1 is connected to the cathode of the street lamp LED2, a drain of the MOS transistor Q2 is connected to the anode of the street lamp LED1, a source of the MOS transistor Q2 is connected to the second end of the capacitor C9, and the two control circuits are respectively connected to the gate of the MOS transistor Q1 and the gate of the MOS transistor Q2.
3. The intelligent street lamp control system according to claim 2, wherein the control circuit comprises a resistor R7, an optocoupler U3 and a resistor R8, the gate of the MOS transistor Q2 is connected with the emitter of the optocoupler U3 triode, the first end of the resistor R7 is connected with the emitter of the optocoupler U3 triode, the second end of the resistor R7 is grounded, the collector of the optocoupler U3 triode is connected with a power supply VCC, the anode of the optocoupler U3 diode is connected with the first end of the resistor R8, the second end of the resistor R8 is connected with the power supply VCC, and the cathode of the optocoupler U3 diode is connected with the street lamp control pin of the singlechip.
4. The intelligent streetlamp control system according to claim 3, further comprising a fuse F1 and a diode D6, wherein a negative electrode of the DC power supply B2 is connected to a first end of the fuse F1, a second end of the fuse F1 is grounded, a positive electrode of the DC power supply B2 is connected to a cathode of the diode D6, and an anode of the diode D6 is grounded.
5. The intelligent street lamp control system according to claim 4, further comprising a voltage sampling circuit, wherein the voltage sampling circuit comprises a resistor R5, a resistor R6, a capacitor C2 and a zener diode D3, the positive electrode of the DC power supply B2 is connected to the first end of the resistor R5, the second end of the resistor R5 is connected to the first end of the resistor R6, the second end of the resistor R5 is connected to the battery voltage sampling pin of the single chip, the second end of the resistor R6 is grounded, the first end of the resistor R6 is connected to the first end of the capacitor C2, the second end of the capacitor C2 is grounded, the first end of the capacitor C2 is connected to the cathode of the zener diode D3, and the anode of the zener diode D3 is grounded.
6. The intelligent streetlamp control system according to claim 5, further comprising an object detection circuit, wherein the object detection circuit comprises a pyroelectric infrared sensor T1, a resistor R9, a resistor R10, an operational amplifier U5, a resistor RP1, a resistor R12, a capacitor C3, a capacitor C4, a resistor RP1, a resistor R14, an operational amplifier U4, a resistor R13, a capacitor C5, an operational amplifier U6, an operational amplifier U7, a resistor R16, a rheostat RP2, a resistor R15, a diode D4 and a diode D5, a first power supply terminal of the pyroelectric infrared sensor T1 is connected to a power VCC, a second power supply terminal of the pyroelectric infrared sensor T1 is grounded, an output terminal of the pyroelectric infrared sensor T1 is connected to a first terminal of the resistor R9, an output terminal of the pyroelectric infrared sensor T1 is connected to the resistor R10, a second terminal of the resistor R10 is grounded, and a second terminal of the resistor R9 is connected to an inverted input terminal of the operational amplifier U5, the non-inverting input end of the operational amplifier U5 is connected with the first end of the resistor RP1, the second end of the resistor RP1 is grounded, the output end of the operational amplifier U5 is connected with the first end of the resistor R12, the second end of the resistor R12 is connected with the inverting input end of the operational amplifier U5, the first end of the resistor R12 is connected with the first end of the capacitor C3, the second end of the capacitor C3 is connected with the second end of the resistor R12, the output end of the operational amplifier U5 is connected with the first end of the capacitor C4, the second end of the capacitor C4 is connected with the first end of the resistor RP1, the second end of the resistor RP1 is connected with the inverting input end of the operational amplifier U4, the non-inverting input end of the operational amplifier U4 is grounded through the resistor R14, the output end of the operational amplifier U4 is connected with the first end of the resistor R13, and the second end of the resistor R13 is connected with the inverting input end of the operational amplifier U4, the first end of the resistor R13 is connected with the first end of the capacitor C5, the second end of the capacitor C5 is connected with the second end of the resistor R13, the output end of the operational amplifier U4 is connected with the non-inverting input end of the operational amplifier U6, the output end of the operational amplifier U4 is connected with the inverting input end of the operational amplifier U7, the inverting input end of the operational amplifier U6 is connected with the first end of the resistor R16, the second end of the resistor R16 is connected with a power supply VCC, the first end of the resistor R16 is connected with the first end of the rheostat RP2, the second end of the rheostat RP2 is connected with the non-inverting input end of the operational amplifier U7, the non-inverting input end of the operational amplifier U7 is connected with the first end of the resistor R15, the second end of the resistor R15 is grounded, and the cathode of the diode D4 is used as the output end of the object detection circuit and is connected with the single chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211380774.2A CN115643654A (en) | 2022-11-04 | 2022-11-04 | Wisdom street lamp control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211380774.2A CN115643654A (en) | 2022-11-04 | 2022-11-04 | Wisdom street lamp control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115643654A true CN115643654A (en) | 2023-01-24 |
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| CN202211380774.2A Pending CN115643654A (en) | 2022-11-04 | 2022-11-04 | Wisdom street lamp control system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102123552A (en) * | 2011-01-28 | 2011-07-13 | 重庆大学 | Multi-path constant-current high-power LED (Light-Emitting Diode) driving power supply |
| CN205845316U (en) * | 2016-07-31 | 2016-12-28 | 保定维特瑞交通设施工程有限责任公司 | A kind of road traffic signal controller based on vehicle dual detector |
| CN208227386U (en) * | 2018-06-05 | 2018-12-11 | 新疆大学 | A kind of multiple-channel output constant current driver circuit for LED |
| CN110784976A (en) * | 2019-10-23 | 2020-02-11 | 金陵科技学院 | Automatic illumination system for library study room |
| CN213817332U (en) * | 2020-12-01 | 2021-07-27 | 金陵科技学院 | Small-size outdoor solar energy lithium cell MPPT charging device |
| CN114698193A (en) * | 2022-02-11 | 2022-07-01 | 赛尔富照明科技有限公司 | Integrated dimming control circuit |
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2022
- 2022-11-04 CN CN202211380774.2A patent/CN115643654A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102123552A (en) * | 2011-01-28 | 2011-07-13 | 重庆大学 | Multi-path constant-current high-power LED (Light-Emitting Diode) driving power supply |
| CN205845316U (en) * | 2016-07-31 | 2016-12-28 | 保定维特瑞交通设施工程有限责任公司 | A kind of road traffic signal controller based on vehicle dual detector |
| CN208227386U (en) * | 2018-06-05 | 2018-12-11 | 新疆大学 | A kind of multiple-channel output constant current driver circuit for LED |
| CN110784976A (en) * | 2019-10-23 | 2020-02-11 | 金陵科技学院 | Automatic illumination system for library study room |
| CN213817332U (en) * | 2020-12-01 | 2021-07-27 | 金陵科技学院 | Small-size outdoor solar energy lithium cell MPPT charging device |
| CN114698193A (en) * | 2022-02-11 | 2022-07-01 | 赛尔富照明科技有限公司 | Integrated dimming control circuit |
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