CN111417234A - Multi-color temperature full-spectrum L ED (light-emitting diode) solar lamp illumination control system - Google Patents
Multi-color temperature full-spectrum L ED (light-emitting diode) solar lamp illumination control system Download PDFInfo
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- CN111417234A CN111417234A CN201911417929.3A CN201911417929A CN111417234A CN 111417234 A CN111417234 A CN 111417234A CN 201911417929 A CN201911417929 A CN 201911417929A CN 111417234 A CN111417234 A CN 111417234A
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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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
The invention provides a multi-color temperature full-spectrum L ED solar lamp illumination control system, which comprises a solar cell panel, a solar voltage stabilizing circuit, a lithium battery, an environment detection module, a battery management chip, a mains supply circuit, a constant current circuit, a control protection circuit, a power conversion circuit, a lithium battery power supply switch circuit, a control chip and a multi-color temperature L ED array.
Description
Technical Field
The invention relates to an L ED illumination control system, in particular to a multi-color temperature full-spectrum L ED sun lamp illumination control system.
Background
The L ED lamp has the advantages of energy conservation and long service life, and is widely applied to street lamp illumination at present, the solar lamp is also one of L ED illuminating lamps in the existing street lamp illumination, the solar lamp is provided with a multi-color-temperature full-spectrum L ED array, and sunlight is simulated by light emission of the L ED array.
Therefore, in order to solve the above technical problems, a new solution needs to be proposed.
Disclosure of Invention
In view of this, the present invention provides a multi-color temperature full spectrum L ED solar lamp illumination control system, which can supply power by combining commercial power and solar energy, has good stability of the whole power supply, and a circuit structure simpler than the prior art, and on the other hand, can control illumination of a street lamp according to the light of the environment and the change of visibility, so as to ensure that the illumination of the street lamp can meet the requirement of environment change and ensure the safety of road traffic and pedestrians.
The invention provides a multi-color temperature full-spectrum L ED solar lamp illumination control system, which comprises a solar cell panel, a solar voltage stabilizing circuit, a lithium battery, an environment detection module, a battery management chip, a mains supply circuit, a constant current circuit, a control protection circuit, a power supply conversion circuit, a lithium battery power supply switch circuit, a control chip and a multi-color temperature L ED array, wherein the solar cell panel is connected with the solar voltage stabilizing circuit;
the output end of the solar cell panel is connected with the input end of the solar voltage stabilizing circuit, the output end of the solar voltage stabilizing circuit is connected with the power input end of the battery management chip, the power supply output end of the battery management chip is connected with the input end of the lithium battery power supply switch circuit, the output end of the lithium battery power supply switch circuit is connected with the input end of the power conversion circuit, the battery management chip is used for managing charging and discharging of the lithium battery, the battery management chip is in communication connection with the control chip, the environment detection module is used for detecting environment brightness and visibility and outputting control information to the control chip, the constant current circuit is powered by the power conversion circuit and provides constant working current for the multicolor temperature L ED array, the control end of the constant current circuit is connected with the control chip, and the control end of the control protection circuit is connected with.
Further, the solar voltage stabilizing circuit comprises a resistor R17, a resistor R18, a resistor R19, a triode Q7, a triode Q8, a triode Q30, a triode Q9, a voltage regulator tube D6, a voltage regulator tube D7, a voltage regulator tube D8 and a capacitor C9;
the collector of a triode Q30 is connected with the negative electrode of a voltage regulator tube D6 through a resistor R17, the positive electrode of a voltage regulator tube D6 is grounded, the common connection point of the collector of a triode Q30 and a resistor R17 is used as the input end of a solar voltage regulator circuit to be connected with a solar battery, the negative electrode of the voltage regulator tube D6 is connected with the base electrode of a triode Q7, the emitter of a triode Q7 is connected with the collector of a triode Q30 through a resistor R18, the collector of a triode Q7 is connected with the negative electrode of a voltage regulator tube D7, the positive electrode of a voltage regulator tube D7 is grounded, the negative electrode of a voltage regulator tube D7 is connected with the base electrode of a triode Q8, the collector of a triode Q8 is connected with the collector of a triode Q30 through a resistor R19, the emitter of a triode Q8 is connected with the base electrode of a triode Q9, the collector of a triode Q9 is connected with the emitter of a triode Q9 and, the anode of the voltage regulator tube D8 is grounded, the emitter of the triode Q30 is grounded through the capacitor C9, and the common connection point of the triode Q30 and the capacitor C9 serves as the output end of the solar voltage stabilizing circuit.
Further, the switch control circuit comprises a resistor R13, a triode Q3, a PMOS tube Q4, an NMOS tube Q5, a resistor R16, a diode D6, an inductor L2, a voltage regulator tube D4, a resistor R14, a resistor R15, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a capacitor C8, a capacitor C7, a voltage regulator tube D2, a voltage regulator tube D3, a triode Q6, a comparator U2 and a comparator U3;
the source of a PMOS tube Q4 is used as the power input end of the switch control circuit and is connected with the output end of the on-line power taking circuit, the source of a PMOS tube Q4 is connected with the grid of a PMOS tube Q4 through a resistor R13, the grid of the PMOS tube Q4 is connected with the collector of a triode Q3, the emitter of a triode Q3 is grounded, the drain of the PMOS tube Q4 is connected with the drain of an NMOS tube Q5, the source of the NMOS tube Q5 is grounded, the drain of the PMOS tube Q4 is connected with the anode of a diode D6 through a resistor R16, and the cathode of the diode D6 is used as the power output end of the switch control circuit;
the inductor L2 is connected between the drain of the PMOS tube Q4 and the resistor R16 in series, the cathode of the voltage regulator tube D4 is connected to the common connection point between the inductor L2 and the drain of the PMOS tube Q4, the anode of the voltage regulator tube D4 is grounded through the resistor R14, the anode of the voltage regulator tube D4 is connected with one end of the resistor R14, and the other end of the resistor R14 is connected to the grid of the NMOS tube Q5;
one end of a resistor R8 is connected with the output end of the on-line power-taking circuit, the other end of the resistor R8 is grounded after being connected in series with a resistor R9 and a resistor R10, a common connection point between the resistor R8 and the resistor R9 is grounded through a capacitor C8, a common connection point between the resistor R8 and the resistor R9 is connected with the negative electrode of a voltage regulator tube D3, the positive electrode of the voltage regulator tube D3 is grounded, a common connection point between the resistor R10 and the resistor R9 is grounded through a capacitor C7, a common connection point between the resistor R10 and the resistor R9 is connected with the negative electrode of a voltage regulator tube D2, and the positive electrode of the voltage regulator tube D2;
one end of a resistor R11 is connected with the output end of the online power taking circuit, the other end of the resistor R11 is grounded through a resistor R12, a common connection point between the resistor R11 and the resistor R12 is respectively connected with the in-phase end of a comparator U2 and the inverting end of a comparator U3, the inverting end of a comparator U2 is connected with the common connection point between a resistor R8 and a resistor R9, the in-phase end of the comparator U3 is connected with the common connection point between a resistor R10 and a resistor R9, the output ends of the comparator U2 and a comparator U3 are connected with the input end of an AND gate AD1, the output end of the AND gate AD1 is connected with the base of a triode Q3, the emitter of the triode Q6 is connected with the gate of a PMOS tube Q4, the collector of the triode Q6 is connected with the source of the PMOS tube Q4, and the base of the triode Q6 is used.
Further, the commercial power supply circuit comprises a transformer T1, a rectifier circuit REC, a capacitor C5, a capacitor C6, a resistor R7 and an operational amplifier U1;
the primary winding of the transformer T1 is connected with a mains supply, the secondary winding of the transformer T1 is connected with the input end of a rectifier circuit REC, the positive output end of the rectifier circuit REC is grounded through a capacitor C5, the negative output end of the rectifier circuit REC is grounded, the common connection point between the positive output end of the rectifier circuit REC and the capacitor C5 is connected with the in-phase end of an operational amplifier U1 through a resistor R7, the in-phase end of the operational amplifier U1 is grounded through a capacitor C6, the inverting end of the operational amplifier U1 is connected with the output end of an operational amplifier U1, and the output end of the operational amplifier U1 serves as the output end of the mains supply circuit.
Further, the lithium battery power supply switch circuit comprises a resistor R4, a resistor R5, a resistor R6, a triode Q1 and a triode Q2;
the emitting electrode of the triode Q2 is connected with the power supply output end of the battery management chip through a resistor R5, the collecting electrode of the triode Q2 serves as the output end of the lithium battery power supply switching circuit, the base electrode of the triode Q2 is connected with the power supply output end of the battery management chip through a resistor R4, the base electrode of the triode Q2 is connected with the collecting electrode of the triode Q1, the emitting electrode of the triode Q1 is grounded through a resistor R6, and the base electrode of the triode Q1 is connected with the control chip.
Further, the power conversion circuit comprises a 12V voltage circuit, a 5V voltage circuit and a 3.3V voltage circuit, wherein the input end of the 12V voltage circuit is connected with the output end of the control protection circuit, the output end of the 12V voltage circuit is connected with the input end of the 5V voltage circuit, the input end of the 5V voltage circuit is also connected with the output end of the lithium battery power supply switch circuit, the output end of the 5V voltage circuit is connected with the input end of the 3.3V voltage circuit, the 12V voltage is used for supplying power to the constant current circuit, the 5V voltage is used for supplying working power to the detection module and the RS465 communication circuit, and the 3.3V voltage is used for supplying working power to the controller.
Further, the constant current circuit comprises a resistor R1, an operational amplifier U4, an operational amplifier U5, an operational amplifier U6, a resistor R2, a resistor R3, a capacitor C1 and a digital potentiometer RT 1;
one end of the resistor R1 is used as an input end of a constant current circuit, the other end of the resistor R1 is connected with a non-inverting end of the operational amplifier U4, an output end of the operational amplifier U4 is connected with an input end of a digital potentiometer RT1, an output end of the digital potentiometer RT1 is used as an output end of the constant current circuit to supply power to the L ED array, the non-inverting end of the operational amplifier U6 is connected with an output end of the digital potentiometer RT1, an inverting end of the operational amplifier U6 is connected with an output end of the operational amplifier U6, an output end of the operational amplifier U6 is connected with an inverting end of the operational amplifier U5 through a resistor R3, an inverting end of the operational amplifier U5 is connected with an output end of the operational amplifier U5 after being connected in parallel with a resistor R2 and a capacitor C1, an output end of the operational amplifier U5 is connected with an inverting end of the operational amplifier U4, the non-inverting end of the operational amplifier U5 is connected with an output end of the operational amplifier U4, and.
Further, the environment detection module comprises a visibility sensor and a light intensity sensor, and the output ends of the visibility sensor and the light intensity sensor are connected with the information input end of the controller.
The invention has the beneficial effects that: according to the invention, the power supply can be carried out by adopting a mode of combining commercial power and solar energy, the whole power supply stability is good, the circuit structure is simpler compared with the prior art, and on the other hand, the illumination control can be carried out on the illumination of the street lamp according to the light of the environment and the change of the visibility, so that the illumination of the street lamp can meet the requirement of environment change, and the safety of road traffic and pedestrians can be ensured.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a schematic diagram of a solar voltage regulator circuit according to the present invention.
Fig. 3 is a schematic diagram of a mains supply circuit and a control protection circuit according to the present invention.
Fig. 4 is a schematic diagram of a lithium battery power supply switch circuit of the present invention.
Fig. 5 is a schematic diagram of a constant current circuit of the present invention.
FIG. 6 is a schematic diagram of the 12V voltage circuit of the present invention.
FIG. 7 is a schematic diagram of a 5V voltage circuit of the present invention.
FIG. 8 is a schematic diagram of a 3.3V voltage circuit of the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings of the specification:
the invention provides a multi-color temperature full-spectrum L ED solar lamp illumination control system, which comprises a solar cell panel, a solar voltage stabilizing circuit, a lithium battery, an environment detection module, a battery management chip, a mains supply circuit, a constant current circuit, a control protection circuit, a power supply conversion circuit, a lithium battery power supply switch circuit, a control chip and a multi-color temperature L ED array, wherein the solar cell panel is connected with the solar voltage stabilizing circuit;
the solar street lamp comprises a solar panel, a battery management chip, an environment detection module, a power supply conversion circuit, a constant current circuit, a power supply conversion circuit, a control protection circuit and a control chip, wherein the output end of the solar panel is connected with the input end of the solar voltage stabilizing circuit, the output end of the solar voltage stabilizing circuit is connected with the power supply input end of the battery management chip, the power supply output end of the battery management chip is connected with the input end of the lithium battery power supply switching circuit, the output end of the lithium battery power supply switching circuit is connected with the input end of the power supply conversion circuit, the battery management chip is used for managing charging and discharging of a lithium battery, the battery management chip is in communication connection with the control chip, the environment detection module is used for detecting environment brightness and visibility and outputting control information to the control chip, the constant current circuit is used for supplying power to the power supply to the multicolor L ED array, the control terminal of the constant current circuit is connected with the control chip, and the control terminal of the control protection circuit is connected with the control chip.
In this embodiment, the solar voltage stabilizing circuit includes a resistor R17, a resistor R18, a resistor R19, a transistor Q7, a transistor Q8, a transistor Q30, a transistor Q9, a voltage regulator tube D6, a voltage regulator tube D7, a voltage regulator tube D8, and a capacitor C9;
the collector of a triode Q30 is connected with the negative electrode of a voltage regulator tube D6 through a resistor R17, the positive electrode of a voltage regulator tube D6 is grounded, the common connection point of the collector of a triode Q30 and a resistor R17 is used as the input end of a solar voltage regulator circuit to be connected with a solar battery, the negative electrode of the voltage regulator tube D6 is connected with the base electrode of a triode Q7, the emitter of a triode Q7 is connected with the collector of a triode Q30 through a resistor R18, the collector of a triode Q7 is connected with the negative electrode of a voltage regulator tube D7, the positive electrode of a voltage regulator tube D7 is grounded, the negative electrode of a voltage regulator tube D7 is connected with the base electrode of a triode Q8, the collector of a triode Q8 is connected with the collector of a triode Q30 through a resistor R19, the emitter of a triode Q8 is connected with the base electrode of a triode Q9, the collector of a triode Q9 is connected with the emitter of a triode Q9 and, the positive electrode of the voltage regulator tube D8 is grounded, the emitter of the triode Q30 is grounded through the capacitor C9, the common connection point of the triode Q30 and the capacitor C9 serves as the output end of the solar voltage stabilizing circuit, and the stability of the solar voltage stabilizing circuit is high through the structure.
In this embodiment, the switch control circuit includes a resistor R13, a triode Q3, a PMOS transistor Q4, an NMOS transistor Q5, a resistor R16, a diode D6, an inductor L2, a voltage regulator D4, a resistor R14, a resistor R15, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a capacitor C8, a capacitor C7, a voltage regulator D2, a voltage regulator D3, a triode Q6, a comparator U2, and a comparator U3;
the source of a PMOS tube Q4 is used as the power input end of the switch control circuit and is connected with the output end of the on-line power taking circuit, the source of a PMOS tube Q4 is connected with the grid of a PMOS tube Q4 through a resistor R13, the grid of the PMOS tube Q4 is connected with the collector of a triode Q3, the emitter of a triode Q3 is grounded, the drain of the PMOS tube Q4 is connected with the drain of an NMOS tube Q5, the source of the NMOS tube Q5 is grounded, the drain of the PMOS tube Q4 is connected with the anode of a diode D6 through a resistor R16, and the cathode of the diode D6 is used as the power output end of the switch control circuit;
the inductor L2 is connected between the drain of the PMOS tube Q4 and the resistor R16 in series, the cathode of the voltage regulator tube D4 is connected to the common connection point between the inductor L2 and the drain of the PMOS tube Q4, the anode of the voltage regulator tube D4 is grounded through the resistor R14, the anode of the voltage regulator tube D4 is connected with one end of the resistor R14, and the other end of the resistor R14 is connected to the grid of the NMOS tube Q5;
one end of a resistor R8 is connected with the output end of the on-line power-taking circuit, the other end of the resistor R8 is grounded after being connected in series with a resistor R9 and a resistor R10, a common connection point between the resistor R8 and the resistor R9 is grounded through a capacitor C8, a common connection point between the resistor R8 and the resistor R9 is connected with the negative electrode of a voltage regulator tube D3, the positive electrode of the voltage regulator tube D3 is grounded, a common connection point between the resistor R10 and the resistor R9 is grounded through a capacitor C7, a common connection point between the resistor R10 and the resistor R9 is connected with the negative electrode of a voltage regulator tube D2, and the positive electrode of the voltage regulator tube D2;
one end of a resistor R11 is connected with the output end of the online power taking circuit, the other end of the resistor R11 is grounded through a resistor R12, a common connection point between the resistor R11 and the resistor R12 is respectively connected with the in-phase end of a comparator U2 and the inverting end of a comparator U3, the inverting end of a comparator U2 is connected with the common connection point between a resistor R8 and a resistor R9, the in-phase end of the comparator U3 is connected with the common connection point between a resistor R10 and a resistor R9, the output ends of the comparator U2 and a comparator U3 are connected with the input end of an AND gate AD1, the output end of the AND gate AD1 is connected with the base of a triode Q3, the emitter of the triode Q6 is connected with the gate of a PMOS tube Q4, the collector of the triode Q6 is connected with the source of the PMOS tube Q4, and the base of the triode Q6 is used. Wherein:
the comparator U is used for judging whether overvoltage or not, the comparator U is used for judging whether undervoltage or not, when the voltage is not overvoltage or undervoltage, the comparator U and the comparator U both output low levels, at the moment, the AND gate circuit AD outputs high levels, the triode Q is conducted, the grid voltage of the PMOS tube Q is pulled down, the PMOS tube Q is conducted, at the moment, the NMOS tube Q is cut off, the switch circuit has output, when overvoltage or undervoltage occurs, the comparator U or the comparator U outputs high levels, at the moment, the AND gate circuit AD outputs low levels, the triode Q is cut off, the grid source voltage of the PMOS tube Q is equal, the PMOS tube Q is cut off, the output is stopped, when the current is transient and is increased, the left end of the inductor 2 can sense high voltage, the voltage regulator tube D is conducted, the NMOS tube Q is conducted, the subsequent circuit is short-circuited, current transient protection is executed, impact of transient current is eliminated, after the NMOS tube Q is conducted, the induced voltage of the inductor 2 disappears, the NMOS tube Q is cut off again, the inductor 2 can continue to be electrified, the function of current delay, the current obtained by the subsequent circuit is still smaller, the voltage divider resistor R and the voltage of the resistor R are increased, the function of voltage control of the over-voltage protection is increased, the over-voltage circuit is increased, the voltage.
In this embodiment, the commercial power supply circuit includes a transformer T1, a rectifier circuit REC, a capacitor C5, a capacitor C6, a resistor R7, and an operational amplifier U1;
the primary winding of the transformer T1 is connected with a mains supply, the secondary winding of the transformer T1 is connected with the input end of a rectifier circuit REC, the positive output end of the rectifier circuit REC is grounded through a capacitor C5, the negative output end of the rectifier circuit REC is grounded, the common connection point between the positive output end of the rectifier circuit REC and the capacitor C5 is connected with the in-phase end of an operational amplifier U1 through a resistor R7, the in-phase end of the operational amplifier U1 is grounded through a capacitor C6, the inverting end of the operational amplifier U1 is connected with the output end of an operational amplifier U1, and the output end of the operational amplifier U1 serves as the output end of a mains supply circuit; the transformer T1 is used for reducing voltage of a mains supply, the rectifier circuit REC is a full-bridge rectifier circuit composed of diodes and used for rectifying alternating current into direct current, the capacitor C5, the capacitor C6 and the resistor R7 form a filter circuit, the resistor R7 is also used for limiting current and dividing voltage, the operational amplifier U1 forms a voltage follower used for stabilizing voltage, and isolation is formed by utilizing the high input impedance characteristic of the operational amplifier, so that the stability of a subsequent electric device is facilitated.
In this embodiment, the lithium battery power supply switch circuit includes a resistor R4, a resistor R5, a resistor R6, a transistor Q1, and a transistor Q2;
the emitting electrode of triode Q2 passes through resistance R5 and is connected with the power supply output terminal of battery management chip, the collecting electrode of triode Q2 is as lithium cell power supply switch circuit's output, the base of triode Q2 is connected with the power supply output terminal of battery management chip through resistance R4, the base of triode Q2 is connected with triode Q1's collecting electrode, the emitting electrode of triode Q1 passes through resistance R6 ground connection, the base of triode Q1 is connected with control chip, through above-mentioned circuit, the break-make of the power supply output of control lithium cell that can be good.
In this embodiment, the power conversion circuit includes a 12V voltage circuit, a 5V voltage circuit, and a 3.3V voltage circuit, an input end of the 12V voltage circuit is connected to an output end of the control protection circuit, an output end of the 12V voltage circuit is connected to an input end of the 5V voltage circuit, an input end of the 5V voltage circuit is further connected to an output end of the lithium battery power supply switch circuit, an output end of the 5V voltage circuit is connected to an input end of the 3.3V voltage circuit, the 12V voltage is used for supplying power to the constant current circuit, the 5V voltage is used for supplying power for operation to the detection module and the RS465 communication circuit, and the 3.3V voltage is used for supplying power for operation to the controller, where the 12V voltage circuit employs an L M7812 voltage chip, the 5V voltage circuit employs a L M2596 voltage chip, and the 3.3V voltage circuit employs an SGM2202-3.3 voltage chip, and the circuits are used for supplying stable power for operation.
In this embodiment, the constant current circuit includes a resistor R1, an operational amplifier U4, an operational amplifier U5, an operational amplifier U6, a resistor R2, a resistor R3, a capacitor C1, and a digital potentiometer RT 1;
one end of the resistor R1 is used as an input end of a constant current circuit, the other end of the resistor R1 is connected with a non-inverting end of the operational amplifier U4, an output end of the operational amplifier U4 is connected with an input end of a digital potentiometer RT1, an output end of the digital potentiometer RT1 is used as an output end of the constant current circuit to supply power to the L ED array, the non-inverting end of the operational amplifier U6 is connected with an output end of the digital potentiometer RT1, an inverting end of the operational amplifier U6 is connected with an output end of the operational amplifier U6, an output end of the operational amplifier U6 is connected with an inverting end of the operational amplifier U5 through a resistor R3, an inverting end of the operational amplifier U5 is connected with an output end of the operational amplifier U5 after being connected in parallel with a resistor R2 and a capacitor C9, an output end of the operational amplifier U5 is connected with an inverting end of the operational amplifier U4, the non-inverting end of the operational amplifier U5 is connected with an output end of the operational amplifier U4, a control end of the digital potentiometer RT1 is used as a control end of the constant current circuit, and the full light spectrum control circuit controls.
In this embodiment, the environment detection module comprises a visibility sensor and a light intensity sensor, output ends of the visibility sensor and the light intensity sensor are connected with an information input end of the controller, the control chip is an STM32F030K6T6 chip, the visibility sensor is a GA1AS100WP sensor of Shenzhen Dong Jiabao company, the light intensity sensor is a T L S2561 sensor, and the lithium battery management chip is an MP2636 chip.
The principles of the present invention are further illustrated below:
the solar lamp can also be a multicolor temperature full-spectrum L ED array, the solar lamp simulates sunlight through the light emission of a L ED array, namely, the color temperature of the solar lamp is close to that of solar energy, when the visibility is low and/or when the brightness cannot meet the illumination requirement, the power supply is performed by controlling a control chip to switch on a triode Q1 or switch off a Q6 and switch off the Q1, then the control chip adjusts the brightness of the solar lamp by adjusting the resistance value of a digital potentiometer RT1, the power supply control is that the control chip acquires the electric quantity state of a lithium battery through a battery management chip, when the electric quantity of the lithium battery is sufficient, the lithium battery supplies power for illumination, a triode Q1 is switched on, a triode Q6 is switched on, if the electric quantity of the lithium battery is insufficient, the triode Q6 is controlled to be switched off, then the triode Q1 is controlled to be switched off, and whether the electric quantity of the lithium battery is sufficient or not is judged to meet the work of the control chip.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, 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 modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (8)
1. A multi-color temperature full spectrum L ED solar lamp illumination control system is characterized by comprising a solar cell panel, a solar voltage stabilizing circuit, a lithium battery, an environment detection module, a battery management chip, a mains supply circuit, a constant current circuit, a control protection circuit, a power supply conversion circuit, a lithium battery power supply switch circuit, a control chip and a multi-color temperature full spectrum L ED array;
the output end of the solar cell panel is connected with the input end of the solar voltage stabilizing circuit, the output end of the solar voltage stabilizing circuit is connected with the power input end of the battery management chip, the power supply output end of the battery management chip is connected with the input end of the lithium battery power supply switch circuit, the output end of the lithium battery power supply switch circuit is connected with the input end of the power conversion circuit, the battery management chip is used for managing charging and discharging of the lithium battery, the battery management chip is in communication connection with the control chip, the environment detection module is used for detecting environment brightness and visibility and outputting control information to the control chip, the constant current circuit is powered by the power conversion circuit and provides constant working current for the multicolor temperature L ED array, the control end of the constant current circuit is connected with the control chip, and the control end of the control protection circuit is connected with.
2. The multi-color temperature full spectrum L ED solar lamp lighting control system of claim 1, wherein the solar voltage regulator circuit comprises a resistor R17, a resistor R18, a resistor R19, a transistor Q7, a transistor Q8, a transistor Q30, a transistor Q9, a regulator tube D6, a regulator tube D7, a regulator tube D8, and a capacitor C9;
the collector of a triode Q30 is connected with the negative electrode of a voltage regulator tube D6 through a resistor R17, the positive electrode of a voltage regulator tube D6 is grounded, the common connection point of the collector of a triode Q30 and a resistor R17 is used as the input end of a solar voltage regulator circuit to be connected with a solar battery, the negative electrode of the voltage regulator tube D6 is connected with the base electrode of a triode Q7, the emitter of a triode Q7 is connected with the collector of a triode Q30 through a resistor R18, the collector of a triode Q7 is connected with the negative electrode of a voltage regulator tube D7, the positive electrode of a voltage regulator tube D7 is grounded, the negative electrode of a voltage regulator tube D7 is connected with the base electrode of a triode Q8, the collector of a triode Q8 is connected with the collector of a triode Q30 through a resistor R19, the emitter of a triode Q8 is connected with the base electrode of a triode Q9, the collector of a triode Q9 is connected with the emitter of a triode Q9 and, the anode of the voltage regulator tube D8 is grounded, the emitter of the triode Q30 is grounded through the capacitor C9, and the common connection point of the triode Q30 and the capacitor C9 serves as the output end of the solar voltage stabilizing circuit.
3. The multi-color temperature full spectrum L ED solar lamp lighting control system of claim 2, wherein the switch control circuit comprises a resistor R13, a triode Q3, a PMOS transistor Q4, an NMOS transistor Q5, a resistor R16, a diode D6, an inductor L2, a voltage regulator tube D4, a resistor R14, a resistor R15, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a capacitor C8, a capacitor C7, a voltage regulator tube D2, a voltage regulator tube D3, a triode Q6, a comparator U2 and a comparator U3;
the source of a PMOS tube Q4 is used as the power input end of the switch control circuit and is connected with the output end of the on-line power taking circuit, the source of a PMOS tube Q4 is connected with the grid of a PMOS tube Q4 through a resistor R13, the grid of the PMOS tube Q4 is connected with the collector of a triode Q3, the emitter of a triode Q3 is grounded, the drain of the PMOS tube Q4 is connected with the drain of an NMOS tube Q5, the source of the NMOS tube Q5 is grounded, the drain of the PMOS tube Q4 is connected with the anode of a diode D6 through a resistor R16, and the cathode of the diode D6 is used as the power output end of the switch control circuit;
the inductor L2 is connected between the drain of the PMOS tube Q4 and the resistor R16 in series, the cathode of the voltage regulator tube D4 is connected to the common connection point between the inductor L2 and the drain of the PMOS tube Q4, the anode of the voltage regulator tube D4 is grounded through the resistor R14, the anode of the voltage regulator tube D4 is connected with one end of the resistor R14, and the other end of the resistor R14 is connected to the grid of the NMOS tube Q5;
one end of a resistor R8 is connected with the output end of the on-line power-taking circuit, the other end of the resistor R8 is grounded after being connected in series with a resistor R9 and a resistor R10, a common connection point between the resistor R8 and the resistor R9 is grounded through a capacitor C8, a common connection point between the resistor R8 and the resistor R9 is connected with the negative electrode of a voltage regulator tube D3, the positive electrode of the voltage regulator tube D3 is grounded, a common connection point between the resistor R10 and the resistor R9 is grounded through a capacitor C7, a common connection point between the resistor R10 and the resistor R9 is connected with the negative electrode of a voltage regulator tube D2, and the positive electrode of the voltage regulator tube D2;
one end of a resistor R11 is connected with the output end of the online power taking circuit, the other end of the resistor R11 is grounded through a resistor R12, a common connection point between the resistor R11 and the resistor R12 is respectively connected with the in-phase end of a comparator U2 and the inverting end of a comparator U3, the inverting end of a comparator U2 is connected with the common connection point between a resistor R8 and a resistor R9, the in-phase end of the comparator U3 is connected with the common connection point between a resistor R10 and a resistor R9, the output ends of the comparator U2 and a comparator U3 are connected with the input end of an AND gate AD1, the output end of the AND gate AD1 is connected with the base of a triode Q3, the emitter of the triode Q6 is connected with the gate of a PMOS tube Q4, the collector of the triode Q6 is connected with the source of the PMOS tube Q4, and the base of the triode Q6 is used.
4. The multi-color temperature full-spectrum L ED sun lamp illumination control system of claim 3, wherein the commercial power supply circuit comprises a transformer T1, a rectifier circuit REC, a capacitor C5, a capacitor C6, a resistor R7 and an operational amplifier U1;
the primary winding of the transformer T1 is connected with a mains supply, the secondary winding of the transformer T1 is connected with the input end of a rectifier circuit REC, the positive output end of the rectifier circuit REC is grounded through a capacitor C5, the negative output end of the rectifier circuit REC is grounded, the common connection point between the positive output end of the rectifier circuit REC and the capacitor C5 is connected with the in-phase end of an operational amplifier U1 through a resistor R7, the in-phase end of the operational amplifier U1 is grounded through a capacitor C6, the inverting end of the operational amplifier U1 is connected with the output end of an operational amplifier U1, and the output end of the operational amplifier U1 serves as the output end of the mains supply circuit.
5. The multi-color temperature full spectrum L ED solar lamp illumination control system of claim 4, wherein the lithium battery powered switching circuit comprises a resistor R4, a resistor R5, a resistor R6, a transistor Q1, and a transistor Q2;
the emitting electrode of the triode Q2 is connected with the power supply output end of the battery management chip through a resistor R5, the collecting electrode of the triode Q2 serves as the output end of the lithium battery power supply switching circuit, the base electrode of the triode Q2 is connected with the power supply output end of the battery management chip through a resistor R4, the base electrode of the triode Q2 is connected with the collecting electrode of the triode Q1, the emitting electrode of the triode Q1 is grounded through a resistor R6, and the base electrode of the triode Q1 is connected with the control chip.
6. The multi-color-temperature full-spectrum L ED solar lamp illumination control system according to claim 5, wherein the power conversion circuit comprises a 12V voltage circuit, a 5V voltage circuit and a 3.3V voltage circuit, an input terminal of the 12V voltage circuit is connected to an output terminal of the control protection circuit, an output terminal of the 12V voltage circuit is connected to an input terminal of the 5V voltage circuit, an input terminal of the 5V voltage circuit is further connected to an output terminal of the lithium battery power supply switch circuit, an output terminal of the 5V voltage circuit is connected to an input terminal of the 3.3V voltage circuit, the 12V voltage is used for supplying power to the constant current circuit, the 5V voltage is used for supplying working power to the detection module and the RS465 communication circuit, and the 3.3V voltage is used for supplying working power to the controller.
7. The multi-color temperature full spectrum L ED sun control system of claim 6, wherein the constant current circuit comprises a resistor R1, an operational amplifier U4, an operational amplifier U5, an operational amplifier U6, a resistor R2, a resistor R3, a capacitor C1, and a digital potentiometer RT 1;
one end of the resistor R1 is used as an input end of a constant current circuit, the other end of the resistor R1 is connected with a non-inverting end of the operational amplifier U4, an output end of the operational amplifier U4 is connected with an input end of a digital potentiometer RT1, an output end of the digital potentiometer RT1 is used as an output end of the constant current circuit to supply power to the L ED array, the non-inverting end of the operational amplifier U6 is connected with an output end of the digital potentiometer RT1, an inverting end of the operational amplifier U6 is connected with an output end of the operational amplifier U6, an output end of the operational amplifier U6 is connected with an inverting end of the operational amplifier U5 through a resistor R3, an inverting end of the operational amplifier U5 is connected with an output end of the operational amplifier U5 after being connected in parallel with a resistor R2 and a capacitor C1, an output end of the operational amplifier U5 is connected with an inverting end of the operational amplifier U4, the non-inverting end of the operational amplifier U5 is connected with an output end of the operational amplifier U4, and.
8. The multi-color temperature full-spectrum L ED sun control system according to claim 7, wherein the environment detection module includes a visibility sensor and a light intensity sensor, outputs of the visibility sensor and the light intensity sensor are connected to an information input of the controller.
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