CN114172248B - Commercial power complementary solar lawn lamp control circuit - Google Patents
Commercial power complementary solar lawn lamp control circuit Download PDFInfo
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- CN114172248B CN114172248B CN202111317973.4A CN202111317973A CN114172248B CN 114172248 B CN114172248 B CN 114172248B CN 202111317973 A CN202111317973 A CN 202111317973A CN 114172248 B CN114172248 B CN 114172248B
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- 230000000295 complement effect Effects 0.000 title claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 239000003990 capacitor Substances 0.000 claims description 39
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 22
- 229910052744 lithium Inorganic materials 0.000 claims description 22
- 230000005669 field effect Effects 0.000 claims description 14
- 101100489713 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) GND1 gene Proteins 0.000 claims description 8
- 239000003792 electrolyte Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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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]
- H05B45/30—Driver circuits
- H05B45/345—Current stabilisation; Maintaining constant current
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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]
- H05B45/40—Details of LED load circuits
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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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Control Of Electrical Variables (AREA)
Abstract
The invention discloses a commercial power complementary solar lawn lamp control circuit, which comprises a solar power supply circuit, a commercial power supply circuit, a control circuit and a constant current circuit, wherein the voltage output end of the solar power supply circuit and the voltage output end of the commercial power supply circuit are connected and used for supplying power to the control circuit, the constant current circuit and a load LED; the control circuit is connected with the power transmission anode of the solar power supply circuit and the voltage output end of the mains supply circuit, and is used for detecting solar voltage and controlling on-off of load LED current; the constant current circuit is connected with the voltage output end of the solar power supply circuit, the voltage output end of the mains supply circuit and the control circuit and is used for outputting constant current to the load LED. According to the invention, the brightness of the light source can be improved and stabilized in a solar energy and mains supply complementary mode, and the electric solar energy and the mains supply can be reasonably utilized.
Description
Technical Field
The invention relates to a commercial power complementary solar lawn lamp control circuit, and belongs to the technical field of lawn lamp control circuits.
Background
The solar lawn lamp is a green energy lamp and has the characteristics of safety, energy conservation, environmental protection, convenient installation and the like. The solar lawn lamp mainly comprises a light source, a controller, a storage battery, a solar cell module, a lamp body and the like. Under the condition of light irradiation, the solar cell stores electric energy into the storage battery, under the condition of no light, the electric energy of the storage battery is sent into the load LED through the controller, so that the system is suitable for beautifying illumination and park lawn decoration of residential communities. The solar lawn lamp is limited by the area of the component, the daily power generation amount is limited, the brightness of the light source is not ideal, and the solar lawn lamp can be lightened overnight, but the brightness is continuously reduced along with the gradual reduction of the residual electric quantity of the battery.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the solar lawn lamp control circuit with the complementary commercial power, which can improve and stabilize the brightness of a light source in a solar energy and commercial power complementary mode and reasonably utilize the electric positive energy and the commercial power.
The technical scheme adopted by the invention is as follows:
a solar lawn lamp control circuit with complementary commercial power comprises a solar power supply circuit, a commercial power supply circuit, a control circuit and a constant current circuit,
The voltage output end of the solar power supply circuit and the voltage output end of the mains supply circuit are connected and used for supplying power to the control circuit, the constant current circuit and the load LED; the control circuit is connected with the power transmission anode of the solar power supply circuit and the voltage output end of the mains supply circuit, and is used for detecting solar voltage and controlling on-off of load LED current; the constant current circuit is connected with the voltage output end of the solar power supply circuit, the voltage output end of the mains supply circuit and the control circuit and is used for outputting constant current to the load LED;
The control circuit comprises a chip U8, a triode Q3, a switch S1, a field effect transistor N2, resistors R2, R6, R8, R9, R11, R14, R15, R16 and R17, wherein the 1 pin of the chip U8 is connected with one end of the resistor R14 and one end of the resistor R15, the other end of the resistor R14 is connected with the power transmission anode of the solar power supply circuit, the 6 pin of the chip U8 is connected with the other end of the resistor R15 and one end of the resistor R16, the other end of the resistor R16 is grounded GND with the 2 pin of the chip U8, the 4 pin of the chip U8 is connected with the voltage output end of the solar power supply circuit and the voltage output end of the mains power supply circuit for supplying power to the chip U8, the 5 pin of the chip U8 is connected with one end of the resistor R17, the other end of the resistor R17 is connected with one end of the resistor R2, the other end of the resistor R2 is connected with the base electrode of the triode Q3, the collector electrode of the triode Q3 is connected with the resistor R6 and one end of the resistor R8, the emitter electrode of the triode Q3 is grounded GND, the other end of the resistor R6 is connected with one end of the switch S1, the other end of the switch S1 is connected with the voltage output end of the solar power supply circuit and the voltage output end of the mains power supply circuit, the other end of the resistor R8 is connected with one end of the resistor R9 and the grid electrode of the field effect transistor N2, the drain electrode of the field effect transistor N2 is grounded GND1, the other end of the resistor R9 is connected with the source electrode of the field effect transistor N2 and grounded GND, the resistor R11 is arranged between the resistors R2 and R17 in parallel, and one end of the resistor R11 is connected with the power transmission anode of the solar power supply circuit.
Preferably, the solar power supply circuit comprises a solar module, a lithium battery and diodes D1 and D2, the commercial power supply circuit comprises commercial power, an AC-DC power module, a DC-DC circuit and diodes D3 and D4, the solar module is connected with the positive pole of the diode D1 through a wiring terminal J4 and is grounded GND through the wiring terminal J4, the resistors R11 and R14 are connected with the wiring terminal J4 and are connected with the transmission positive pole of the solar module through the wiring terminal J4, the lithium battery is connected with the negative pole of the diode D1 through the wiring terminal J2 and is grounded GND, the live wire of the commercial power is connected with the 2 pin of the AC-DC power module, the zero wire of the commercial power is connected with the 1 pin of the AC-DC power module, the 3 pin of the AC-DC power module is grounded GND, the 4 pin of the AC-DC power module is connected with the positive pole of the diode D4, the DC-DC circuit is connected with the negative pole of the diode D3 and D4 in series, the DC-DC circuit is connected with the negative pole of the diode D4 and is connected with the negative pole of the diode D3, and the negative pole of the diode D2 is connected with the negative pole of the diode D3 of the diode D2, and the other end of the diode D2 is connected with the negative pole of the diode D3 of the diode D2.
Further preferably, the constant current circuit comprises a wiring terminal J1 and chips U2, U3 and U4 which are mutually connected in parallel, 3 pins of the chips U2, U3 and U4 are connected with a voltage output end of the solar power supply circuit and a voltage output end of the mains power supply circuit, 2 pins of the chips U2, U3 and U4 are grounded GND1, 1 pin of the chips U2, U3 and U4 are respectively connected with a load LED, the load LED is connected with the wiring terminal J1, and the wiring terminal J1 is connected with the voltage output end of the solar power supply circuit and the voltage output end of the mains power supply circuit.
Further preferably, a resistor R12 is provided in parallel between the resistor R2 and the resistor R17, and one end of the resistor R12 is grounded GND.
Further preferably, a resistor R13 is provided in parallel between the resistor R2 and the base of the transistor Q3, and one end of the resistor R13 is grounded GND.
Further preferably, a resistor R1 is provided in parallel to both sides of the diode D2.
Further preferably, the DC-DC circuit includes a chip U1, an inductor L1, a diode D5, resistors R3 and R7, non-polar capacitors C3, C5 and C19, and polar capacitors C2 and C4, wherein the negative electrode of the diode D4 is connected to the 5 pin of the chip U1, the positive electrode of the polar capacitor C2, and one of the poles of the non-polar capacitors C3 and C19, the negative electrode of the polar capacitor C2 and the other pole of the non-polar capacitor C19 are both grounded GND, the other pole of the non-polar capacitor C3 is connected to the 4 pin of the chip U1, the 3 pin of the chip U1 is connected to one end of the inductor L1 and the negative electrode of the diode D5, the other end of the inductor L1 is connected to one of the non-polar capacitor C5, the positive electrode of the polar capacitor C4, one end of the resistor R3, and the positive electrode of the diode D3, the 1 pin of the chip U1 is connected to the positive electrode of the diode D5, the other electrode of the non-polar capacitor C4, one end of the negative electrode of the polar capacitor C7, and the other end of the polar capacitor R7 are connected to ground GND, and the other ends of the chip U1 and the other ends of the resistor R3 and R7 are respectively connected.
Further preferably, an electrolyte capacitor E1 is further provided between the voltage output terminal of the solar power supply circuit and the voltage output terminal of the commercial power supply circuit and the parallel chips U2, U3, and U4, and the negative electrode of the electrolyte capacitor E1 is grounded GND1.
The invention has the beneficial effects that:
The control circuit consists of a hysteresis voltage detection chip U8, and judges whether the solar module is coming in the dark or not by detecting the output voltage of the power transmission positive electrode of the solar module, and the hysteresis voltage can be set to solve the problem that the load LED flickers back and forth; the control circuit controls the on-off of the load LED current through the field effect transistor N2; the power supply by a lithium battery or a commercial power is controlled through the diodes D2 and D3, when the lithium battery is under-voltage, the lithium battery preferentially supplies power to the load LED, and when the lithium battery is under-voltage, the commercial power supplies power; the potential safety hazard of the commercial power leakage is solved through an AC-DC power module and a DC-DC circuit; through the resistor R1, when the solar module is damaged and the battery cannot be charged, the lithium battery is charged under voltage, and the lithium battery is charged reversely by small current through the mains supply, so that the damage of the lithium battery caused by long-time feeding is prevented.
Drawings
Fig. 1 is a circuit diagram of the present invention.
Detailed Description
The invention is described in detail below with reference to the drawings and examples.
As shown in fig. 1: the embodiment is a solar lawn lamp control circuit with complementary commercial power, which comprises a solar power supply circuit, a commercial power supply circuit, a control circuit and a constant current circuit,
The voltage output end of the solar power supply circuit and the voltage output end of the mains supply circuit are connected and used for supplying power to the control circuit, the constant current circuit and the load LED; the control circuit is connected with the power transmission anode of the solar power supply circuit and the voltage output end of the mains supply circuit, and is used for detecting solar voltage and controlling on-off of load LED current; the constant current circuit is connected with the voltage output end of the solar power supply circuit, the voltage output end of the mains supply circuit and the control circuit and is used for outputting constant current to the load LED;
The solar power supply circuit comprises a solar module, a lithium battery and diodes D1 and D2, the commercial power supply circuit comprises commercial power, an AC-DC power supply module, a DC-DC circuit and diodes D3 and D4, the solar module is connected with the positive electrode of the diode D1 through the positive electrode of the wiring terminal J4, the negative electrode of the wiring terminal J4 is grounded GND, resistors R11 and R14 are connected with the wiring terminal J4 and are connected with the transmission positive electrode of the solar module through the wiring terminal J4, the lithium battery is connected with the negative electrode of the diode D1 through the positive electrode of the wiring terminal J2, the negative electrode of the wiring terminal J2 is grounded GND, the live wire of the commercial power is connected with the 2 pin of the AC-DC power supply module, the zero wire of the commercial power is connected with the 1 pin of the AC-DC power supply module, the 3 pin of the AC-DC power supply module is grounded GND, the 4 pin of the AC-DC power supply module is connected with the positive electrode of the diode D4, the DC-DC circuit is connected with the negative electrode of the diode D3 and D4 in series, the DC-DC circuit is connected with the negative electrode of the diode D4 and is connected with the negative electrode of the diode D3, and the negative electrode of the diode D3 is connected with the negative electrode of the diode D2, and the other end of the diode D3 is connected with the negative electrode of the diode D2, and the diode D2 is connected with the negative electrode of the diode D3, and the other end of the diode D3 is connected with the diode D2.
The DC-DC circuit comprises a chip U1, an inductor L1, a diode D5, resistors R3 and R7, nonpolar capacitors C3, C5 and C19 and polar capacitors C2 and C4, wherein the negative electrode of the diode D4 is connected with the 5 pin of the chip U1, the positive electrode of the polar capacitor C2 and one of the polar capacitors C3 and C19, the negative electrode of the polar capacitor C2 and the other electrode of the nonpolar capacitor C19 are grounded GND, the other electrode of the nonpolar capacitor C3 is connected with the 4 pin of the chip U1, the 3 pin of the chip U1 is connected with one end of the inductor L1 and the negative electrode of the diode D5, the other end of the inductor L1 is respectively connected with one electrode of the nonpolar capacitor C5, the positive electrode of the polar capacitor C4, one end of the resistor R3 and the positive electrode of the diode D3, the 1 pin of the chip U1 is connected with the positive electrode of the diode D5, the other electrode of the nonpolar capacitor C5 and the other end of the polar capacitor C4, one end of the resistor R7 is connected with the ground GND, and the other end of the resistor R1 is respectively connected with the resistor R7 and the other end of the resistor R3.
The constant current circuit comprises a wiring terminal J1 and chips U2, U3 and U4 which are mutually connected in parallel, 3 pins of the chips U2, U3 and U4 are connected with a voltage output end of the solar power supply circuit and a voltage output end of the mains power supply circuit, namely, 3 pins of the chips U2, U3 and U4 are connected with an output end VCC (see the illustration of figure 1), 2 pins of the chips U2, U3 and U4 are grounded GND1, 1 pins of the chips U2, U3 and U4 are respectively connected with a load LED, the load LED is connected with the wiring terminal J1, and the wiring terminal J1 is connected with the voltage output end of the solar power supply circuit and the voltage output end of the mains power supply circuit, namely, the wiring terminal J1 is connected with the output end VCC (see the illustration of figure 1).
The control circuit comprises a chip U8, a triode Q3, a switch S1, a field effect transistor N2, resistors R2, R6, R8, R9, R11, R14, R15, R16 and R17, wherein the 1 pin of the chip U8 is connected with one end of the resistor R14 and one end of the resistor R15, the other end of the resistor R14 is connected with the power transmission anode of the solar power supply circuit, the 6 pin of the chip U8 is connected with the other end of the resistor R15 and one end of the resistor R16, the other end of the resistor R16 is grounded GND with the 2 pin of the chip U8, the 4 pin of the chip U8 is connected with the voltage output end of the solar power supply circuit and the voltage output end of the mains power supply circuit, namely, the 4 pin of the chip U8 is also connected with the output end VCC (shown in figure 1) for supplying power to the chip U8, the 5 pin of the chip U8 is connected with one end of the resistor R17, the other end of the resistor R17 is connected with one end of the resistor R2, the other end of the resistor R2 is connected with the base electrode of the triode Q3, the collector electrode of the triode Q3 is connected with the resistor R6 and one end of the resistor R8, the emitter electrode of the triode Q3 is grounded GND, the other end of the resistor R6 is connected with one end of the switch S1, the other end of the switch S1 is connected with the voltage output end of the solar power supply circuit and the voltage output end of the mains power supply circuit, namely, the other end of the switch S1 is also connected with the output end VCC (shown in fig. 1), the switch S1 is in a normally-closed state during operation, the switch S8 is disconnected during maintenance, the other end of the resistor R8 is connected with one end of the resistor R9 and the grid electrode of the field effect transistor N2, the drain electrode of the field effect transistor N2 is grounded GND1, the other end of the resistor R9 is connected with the source electrode of the field effect transistor N2 and grounded GND, the resistor R11 is arranged between the resistors R2 and R17 in parallel, and one end of the resistor R11 is connected with the power transmission anode of the solar power supply circuit.
A resistor R12 is provided in parallel between the resistor R2 and the resistor R17, and one end of the resistor R12 is grounded GND.
A resistor R13 is arranged in parallel between the resistor R2 and the base of the triode Q3, and one end of the resistor R13 is grounded GND.
A resistor R1 is arranged in parallel on both sides of the diode D2.
And an electrolyte capacitor E1 is further arranged between the voltage output end of the solar power supply circuit and the voltage output end of the commercial power supply circuit and the chips U2, U3 and U4 which are connected in parallel, and the negative electrode of the electrolyte capacitor E1 is grounded GND1.
When sunlight exists in the daytime, the solar module supplies power to the lithium battery, the chip U8 of the control circuit detects the output voltage of the power transmission anode of the solar module to judge whether the battery is in the night, the detection chip U8 adopts the model CN302, hysteresis voltage can be set, for example, the output voltage of the power transmission anode of the solar module is detected to be 1.3V to turn on a lamp, and the output voltage of the power transmission anode of the solar module is detected to be 1.5V to turn off the lamp, so that the problem that a load LED flashes back and forth is solved; the control circuit controls the current on-off of the load LED through the field effect transistor N2; the power supply by a lithium battery or a mains supply is controlled through diodes D2 and D3; when the voltage of the lithium battery is larger than the mains voltage output by the AC-DC power supply module and the DC-DC circuit, the diode D2 is conducted, the diode D3 is not conducted, the lithium battery supplies power to the load LED preferentially, and when the voltage of the lithium battery is smaller than the mains voltage output by the AC-DC power supply module and the DC-DC circuit, the diode D3 is conducted, the diode D2 is not conducted, and the mains power supply is used for supplying power to the load LED; the LED with partial load is arranged in a low-lying area, so that the potential safety hazard of electric leakage is caused by the possibility of water immersion and the electric supply is connected to the LED with partial load, and the potential safety hazard of electric leakage of the electric supply can be solved through the AC-DC power supply module and the DC-DC circuit; through the resistor R1, when the solar module is damaged and the battery cannot be charged, the lithium battery is charged under voltage, and the lithium battery is charged reversely by small current through the mains supply, so that the damage of the lithium battery caused by long-time feeding is prevented.
The foregoing is merely illustrative of the preferred embodiments of this invention, and it will be appreciated by those skilled in the art that variations and modifications may be made without departing from the principles of this invention, and such variations and modifications are to be regarded as being within the scope of this invention.
Claims (6)
1. The utility power complementary solar lawn lamp control circuit comprises a solar power supply circuit, a utility power supply circuit, a control circuit and a constant current circuit, and is characterized in that:
The voltage output end of the solar power supply circuit and the voltage output end of the mains supply circuit are connected and used for supplying power to the control circuit, the constant current circuit and the load LED; the control circuit is connected with the power transmission anode of the solar power supply circuit and the voltage output end of the mains supply circuit, and is used for detecting solar voltage and controlling on-off of load LED current; the constant current circuit is connected with the voltage output end of the solar power supply circuit, the voltage output end of the mains supply circuit and the control circuit and is used for outputting constant current to the load LED;
The control circuit comprises a chip U8, a triode Q3, a switch S1, a field effect transistor N2, resistors R2, R6, R8, R9, R11, R14, R15, R16 and R17, wherein the pin 1 of the chip U8 is connected with the resistor R14 and one end of the resistor R15, the other end of the resistor R14 is connected with the power transmission positive electrode of the solar power supply circuit, the pin 6 of the chip U8 is connected with the other end of the resistor R15 and one end of the resistor R16, the other end of the resistor R16 is connected with the pin 2 of the chip U8 to be grounded GND, the pin 4 of the chip U8 is connected with the voltage output end of the solar power supply circuit and the voltage output end of the mains supply circuit to supply power to the chip U8, the pin 5 of the chip U8 is connected with one end of the resistor R17, the other end of the resistor R17 is connected with one end of the resistor R2, the other end of the resistor R2 is connected with the base electrode of the triode Q3, the collector electrode of the triode Q3 is connected with the resistor R6 and one end of the resistor R8, the emitter electrode of the triode Q3 is grounded GND, the other end of the resistor R6 is connected with one end of the switch S1, the other end of the switch S1 is connected with the voltage output end of the solar power supply circuit and the voltage output end of the mains power supply circuit, the other end of the resistor R8 is connected with one end of the resistor R9 and the grid electrode of the field effect transistor N2, the drain electrode of the field effect transistor N2 is grounded GND, the other end of the resistor R9 is connected with the source electrode of the field effect transistor N2 in parallel, and the resistor R11 is arranged between the resistors R2 and R17 and one end of the resistor R11 is connected with the power transmission anode of the solar power supply circuit;
A resistor R12 is arranged in parallel between the resistor R2 and the resistor R17, and one end of the resistor R12 is grounded GND; a resistor R13 is arranged in parallel between the resistor R2 and the base electrode of the triode Q3, and one end of the resistor R13 is grounded GND.
2. The utility power complementary solar lawn lamp control circuit according to claim 1, wherein the solar power supply circuit comprises a solar module, a lithium battery and diodes D1 and D2, the utility power supply circuit comprises a utility power, an AC-DC power module, a DC-DC circuit and diodes D3 and D4, the solar module is connected with the positive pole of the diode D1 through a wiring terminal J4 and is grounded GND through a wiring terminal J4, resistors R11 and R14 are both connected with the wiring terminal J4 and are connected with the power transmission positive pole of the solar module through a wiring terminal J4, the lithium battery is connected with the negative pole of the diode D1 through a wiring terminal J2 and is grounded GND, the live wire of the utility power is connected with the 2 pin of the AC-DC power module, the 3 pin of the AC-DC power module is grounded GND, the 4 pin of the AC-DC power module is connected with the positive pole of the diode D4, the lithium battery is connected with the negative pole of the diode D1, and is connected with the negative pole of the diode D3, and is connected with the negative pole of the diode D4, and is connected with the negative pole of the diode D3D 4, and is connected with the negative pole of the diode D4.
3. The utility power complementary solar lawn lamp control circuit according to claim 2, wherein the constant current circuit comprises a wiring terminal J1 and chips U2, U3 and U4 which are mutually connected in parallel, 3 pins of the chips U2, U3 and U4 are connected with a voltage output end of a solar power supply circuit and a voltage output end of a utility power supply circuit, 2 pins of the chips U2, U3 and U4 are grounded GND1, 1 pin of the chips U2, U3 and U4 is connected with a load LED respectively, the load LED is connected with the wiring terminal J1, and the wiring terminal J1 is connected with the voltage output end of the solar power supply circuit and the voltage output end of the utility power supply circuit.
4. The utility power complementary solar lawn lamp control circuit as claimed in claim 2, wherein a resistor R1 is arranged in parallel on both sides of the diode D2.
5. The utility power complementary solar lawn lamp control circuit according to claim 2, wherein the DC-DC circuit comprises a chip U1, an inductor L1, a diode D5, resistors R3 and R7, non-polar capacitors C3, C5 and C19, and polar capacitors C2 and C4, the negative electrode of the diode D4 is connected to the 5 pin of the chip U1, the positive electrode of the polar capacitor C2, one of the non-polar capacitors C3 and C19, the negative electrode of the polar capacitor C2 and the other electrode of the non-polar capacitor C19 are all grounded GND, the other electrode of the non-polar capacitor C3 is connected to the 4 pin of the chip U1, the 3 pin of the chip U1 is connected to one end of the inductor L1 and the negative electrode of the diode D5, the other end of the inductor L1 is connected to one of the non-polar capacitor C5, the positive electrode of the resistor R3 and the positive electrode of the diode D3, the other end of the pin of the chip U1 is connected to the other end of the non-polar capacitor C5, the other end of the diode D5 is connected to the other end of the non-polar capacitor C7, and the other end of the resistor R7 is connected to the other end of the chip U1.
6. A solar lawn lamp control circuit with complementary mains supply according to claim 3, wherein an electrolyte capacitor E1 is further arranged between the voltage output end of the solar power supply circuit and the chips U2, U3, U4 connected in parallel, and the negative electrode of the electrolyte capacitor E1 is grounded GND1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111317973.4A CN114172248B (en) | 2021-11-09 | 2021-11-09 | Commercial power complementary solar lawn lamp control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111317973.4A CN114172248B (en) | 2021-11-09 | 2021-11-09 | Commercial power complementary solar lawn lamp control circuit |
Publications (2)
| Publication Number | Publication Date |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110011401A (en) * | 2019-04-17 | 2019-07-12 | 许昌学院 | A kind of city's electric solar energy automatic mutual benefit charging circuit |
| CN210111690U (en) * | 2019-08-06 | 2020-02-21 | 浙江泰福泵业股份有限公司 | Automatic switching circuit for solar energy and mains supply two-way power supply |
| CN210641107U (en) * | 2019-10-08 | 2020-05-29 | 江苏工程职业技术学院 | Low-power consumption solar energy lawn lamp control circuit |
| CN216904383U (en) * | 2021-11-09 | 2022-07-05 | 南京高晶光电科技有限公司 | Commercial power complementary solar lawn lamp control circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5792552B2 (en) * | 2011-08-03 | 2015-10-14 | ラピスセミコンダクタ株式会社 | Power supply control system and semiconductor integrated circuit |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110011401A (en) * | 2019-04-17 | 2019-07-12 | 许昌学院 | A kind of city's electric solar energy automatic mutual benefit charging circuit |
| CN210111690U (en) * | 2019-08-06 | 2020-02-21 | 浙江泰福泵业股份有限公司 | Automatic switching circuit for solar energy and mains supply two-way power supply |
| CN210641107U (en) * | 2019-10-08 | 2020-05-29 | 江苏工程职业技术学院 | Low-power consumption solar energy lawn lamp control circuit |
| CN216904383U (en) * | 2021-11-09 | 2022-07-05 | 南京高晶光电科技有限公司 | Commercial power complementary solar lawn lamp control circuit |
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