CN113966052B - Intelligent control circuit - Google Patents

Intelligent control circuit Download PDF

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Publication number
CN113966052B
CN113966052B CN202111088702.6A CN202111088702A CN113966052B CN 113966052 B CN113966052 B CN 113966052B CN 202111088702 A CN202111088702 A CN 202111088702A CN 113966052 B CN113966052 B CN 113966052B
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China
Prior art keywords
resistor
circuit
control chip
capacitor
transistor
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CN202111088702.6A
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Chinese (zh)
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CN113966052A (en
Inventor
林宗辉
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Xiamen Xunheng Electronics Tech Co ltd
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Xiamen Xunheng Electronics Tech Co ltd
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
    • 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
    • H02J7/60—
    • H02J7/663—
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
    • H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
    • 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]
    • 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]
    • H05B45/10—Controlling the intensity of the light
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
    • H05B47/13—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings by using passive infrared detectors
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/17—Operational modes, e.g. switching from manual to automatic mode or prohibiting specific operations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

本发明涉及一种智能控制电路，其包括电源电路、人体感应电路、驱动电路、控制芯片U1和通讯模块。本发明通过控制芯片U1检测太阳能板的电压来判断是否为白天或夜晚，并结合检测电池电压来控制对电池的充电，同时可以避免夜晚电池对太阳能板反向充电导致的电能浪费。通过人体感应模块来感应是否有人经过，进而控制灯光的输出亮度，在没有人经过的时候可以将灯光调暗或熄灭，在有经过的时候将灯光唤醒变亮，这样可以使得电能得到合理利用，避免电能浪费，提高灯具的续航能力。通过通讯模块配合外部终端可以手工设定不同的灯光模式，使用灵活。

The invention relates to an intelligent control circuit, which includes a power supply circuit, a human body induction circuit, a drive circuit, a control chip U1 and a communication module. The invention detects the voltage of the solar panel by controlling the chip U1 to determine whether it is day or night, and controls the charging of the battery by detecting the battery voltage. At the same time, it can avoid the waste of electric energy caused by the reverse charging of the solar panel by the battery at night. The human body sensing module is used to sense whether someone is passing by, and then control the output brightness of the light. When no one is passing by, the light can be dimmed or extinguished, and when no one is passing by, the light can be awakened and brightened. This can make the power energy be used rationally. Avoid waste of electric energy and improve the battery life of lamps. Through the communication module and external terminal, different lighting modes can be manually set, which is flexible to use.

Description

Intelligent control circuit
Technical Field
The invention relates to the technical field of control circuits, in particular to an intelligent control circuit.
Background
With the maturity of battery technology, solar cells with large capacity, small volume and low cost are increasingly applied to landscape lamps and street lamps, and the solar cells generally comprise solar panels and storage batteries. The solar lamp in the current market only carries out simple control, namely the battery charges in daytime, and the LED lamp is lighted in evening, and in addition, the current light mode is fixed unchangeable and unadjustable, and when in actual use, the duration can not be guaranteed, and the actual lighting requirement can not be met.
Disclosure of Invention
Aiming at the problems that the current solar lamp light mode is not adjustable and the endurance capacity is poor, the invention aims to provide an intelligent control circuit which can intelligently control the light mode and improve the endurance capacity of the lamp for illumination.
In order to achieve the above purpose, the invention discloses an intelligent control circuit, which comprises a power supply circuit, a human body induction circuit, a driving circuit, a control chip U1 and a communication module;
the power supply circuit comprises a solar battery circuit and a power supply conversion circuit, and the input end of the power supply conversion circuit is connected with the first output end of the solar battery circuit;
the charging control end of the solar cell circuit is connected with the charging control output end of the control chip U1, the control end of the second output end of the solar cell circuit is connected with the illumination power supply control output end of the control chip U1, and the solar panel voltage detection end and the battery voltage detection end of the control chip U1 are respectively connected with the solar panel positive electrode and the battery positive electrode of the solar cell circuit;
the power input end of the communication module is connected with the output end of the power conversion circuit, and the power input end of the control chip U1 and the power input end of the human body induction circuit are connected with the output end of the power conversion circuit or the power output end of the communication module;
the feedback output end of the human body induction circuit is connected with the feedback input end of the control chip U1;
the communication module comprises at least one mode output end, and the control chip U1 comprises mode input ends which are in one-to-one correspondence with the mode output ends of the communication module; the communication module is connected with an external terminal;
the power input end of the driving circuit is connected with the second output end of the solar cell circuit, the control input end of the driving circuit is connected with the control output end of the control chip U1, and the driving output end of the driving circuit is connected with the LED lamp group.
Preferably, in the solar cell circuit, a negative electrode of a solar panel J1 is grounded GND, a positive electrode of the solar panel J1 is connected with a source electrode of a MOS transistor Q2, one end of a resistor R20, a solar panel voltage detection end of a control chip U1, and a positive electrode of a diode D3, the other end of the resistor R20 is connected with a gate electrode of the MOS transistor Q2 and a collector electrode of a triode Q8, an emitter electrode of the triode Q8 is grounded GND, and a base electrode of the triode Q8 is connected with a charge control output end of the control chip U1 through a resistor R21; the drain electrode of the MOS tube Q2 is connected with the positive electrode of the diode D1, and the negative electrode of the diode D1 is connected with the positive electrode of the battery J2, the drain electrode of the MOS tube Q1, one end of the resistor R16, the battery voltage detection end of the control chip U1 and the positive electrode of the diode D4; the other end of the resistor R16 is connected with the grid electrode of the MOS tube Q1 and the collector electrode of the triode Q3; the negative electrode of the battery J2 and the emitter electrode of the triode Q3 are grounded GND; the base electrode of the transistor Q3 is connected with the illumination power supply control output end of the control chip U1 through a resistor R17; the cathode of the diode D3 is connected with the cathode of the diode D4 to form a first output end of the solar cell circuit, and the source electrode of the MOS tube Q1 is used as a second output end of the solar cell circuit; the base electrode of the triode Q8 and the base electrode of the triode Q3 are respectively a charging control end of the solar battery circuit and a control end of the second output end.
Preferably, the solar cell circuit is also provided with a voltage stabilizing diode ZD1 and two groups of voltage acquisition and dividing circuits; the anode of the zener diode ZD1 is connected with the cathode of the solar panel J1, and the cathode of the zener diode ZD1 is connected with the anode of the solar panel J1; in the two groups of voltage acquisition voltage dividing circuits, one end of a resistor R2 is connected with the positive electrode of a diode D3, the other end of the resistor R2 is connected with one end of a resistor R1, one end of a capacitor C3 and a solar panel voltage detection end of a control chip U1, and the other end of the resistor R1 is grounded to GND (ground) with the other end of the capacitor C3; one end of the resistor R4 is connected with the positive electrode of the diode D4, the other end of the resistor R4 is connected with one end of the resistor R3, one end of the capacitor C4 and a battery voltage detection end of the control chip U1, and the other end of the resistor R3 is grounded to the other end of the capacitor C4.
Preferably, in the power conversion circuit, the Vin pin of the voltage stabilizing triode U2 is used as an input end of the power conversion circuit and connected with the first output end of the solar cell circuit, the GD pin of the voltage stabilizing triode U2 is grounded GND, and the Vout pin of the voltage stabilizing triode U2 is an output end of the power conversion circuit.
Preferably, the power conversion circuit further comprises a switching circuit; in the switch circuit, one end of the switch J3 is connected to one end of the resistor R14 and the first output end of the solar cell circuit, the other end of the switch J3 is connected to the other end of the resistor R14, the input end of the power conversion circuit, one end of the capacitor C14, and the other end of the capacitor C14 is grounded GND.
Preferably, in the human body induction circuit, a power input end of an infrared induction probe, a VDD pin of a control chip U4, one end of a capacitor C9, and one end of a capacitor C10 are connected with an output end of a power conversion circuit or a power output end of a communication module, the other end of the capacitor C9 and the other end of the capacitor C10 are grounded GND, a ground of the infrared induction probe is grounded GND, and an output end of the infrared induction probe is connected with a resistor R13, the capacitor C13, and a PIR pin of the control chip U4; the CDS end of the control chip U4 is connected with one end of a resistor R12, the other end of the resistor R12 is grounded to GND (ground), and the other end of the resistor R11 is connected with a resistor R10 and a TCI pin of the control chip U4; the other end of the resistor R10, one end of the resistor R9, one end of the capacitor C11 and one end of the capacitor C12 are connected with the output end of the power conversion circuit or the power output end of the communication module, and the other end of the capacitor C11 and the other end of the capacitor C12 are grounded to GND; the other end of the resistor R9 is connected with one end of the resistor R8 and the SENS pin of the control chip U4, and the other end of the resistor R8 and the VSS pin of the control chip U4 are grounded to GND; the OUT pin of the control chip U4 is used as a feedback output end of the body sensing circuit to be connected with one end of a resistor R7, the other end of the resistor R7 is connected with a resistor R6, a capacitor C8 and a feedback input end of the control chip U1, and the other end of the resistor R6 and the other end of the capacitor C8 are grounded to GND.
Preferably, in the driving circuit, the positive electrode of the electrolytic capacitor EC1 is connected with one end of the inductor L1, one end of the capacitor C15, one end of the resistor R18 and the Vin pin of the control chip U3 to form a power input end of the driving circuit, the negative electrode of the electrolytic capacitor EC1 is grounded with the other end of the capacitor C15, and the other end of the resistor R18 is connected with the EN pin of the control chip U3; the other end of the inductor L1 is connected with one end of a capacitor CX, a SW pin of a control chip U3 and the anode of a diode D2, and the other end of the capacitor CX is grounded to GND through a resistor RX; the cathode of the diode D2 is connected with the anode of the electrolytic capacitor EC2 and one end of the capacitor C16 to form the anode of the driving output end of the driving circuit, and the cathode of the electrolytic capacitor EC2 and the other end of the capacitor C16 are grounded to GND; the positive pole of the diode D5 is a control input end of the driving circuit, the negative pole of the diode D5 is connected with one end of the resistor R19 and the FB pin of the control chip U3, the other end of the resistor R19 is connected with one end of the resistor RA to form the negative pole of the driving output end of the driving circuit, and the other end of the resistor RA and the GD pin of the control chip U3 are grounded to GND.
Preferably, the display device further comprises an indication circuit; the communication module comprises a three-way mode output end, the communication module further comprises a connection indication output end, and the control chip U1 further comprises a three-way mode indication output end;
in the indicating circuit, the negative electrode of the indicating lamp LED-R, the negative electrode of the indicating lamp LED-Y, the negative electrode of the indicating lamp LED-G and the negative electrode of the indicating lamp LED-B are correspondingly connected with the collector electrode of the triode Q4, the collector electrode of the triode Q5, the collector electrode of the triode Q6 and the collector electrode of the triode Q7 respectively; the positive electrode of the indicator light LED-R, the positive electrode of the indicator light LED-Y, the positive electrode of the indicator light LED-G and the positive electrode of the indicator light LED-B are connected with the output end of the power conversion circuit and one end of the resistor R28 through the resistor R33, and the other end of the resistor R28 is connected with the power output end of the communication module; the base electrode of the triode Q4, the base electrode of the triode Q5, the base electrode of the triode Q6 and the base electrode of the triode Q7 are correspondingly connected with the three-way mode indication output end of the control chip U1 and the connection indication output end of the communication module through a resistor R24, a resistor R25, a resistor R26 and a resistor R27 respectively; the emitter of the transistor Q4, the emitter of the transistor Q5, the emitter of the transistor Q6 and the emitter of the transistor Q7 are grounded GND.
Preferably, the communication module is a bluetooth module.
Preferably, the model of the control chip U1 is STM8S003F3; the control chip U1 is connected with the power supply output end of the power supply conversion circuit or the power supply output end of the communication module through the pin 9 and one end of the capacitor CA, and the other end of the capacitor CA is connected with the pin 8 of the control chip U1 through the capacitor C5; the 7 pin of the control chip U1 is grounded GND.
The invention has the following beneficial effects:
the control chip U1 is used for detecting the voltage of the solar panel to judge whether the solar panel is at daytime or at night, and the battery voltage is detected to control the battery to be charged, so that the electric energy waste caused by the reverse charging of the solar panel by the battery at night can be avoided. Whether human body sensing module responds to someone and passes by, and then the output luminance of control light can be with the dimming of lamp light or go out when nobody passes by, wakes up the light when having the process and lightens, can make the electric energy obtain rational utilization like this, avoids the electric energy extravagant, improves the duration of lamps and lanterns. Different light modes can be manually set through the communication module matched with an external terminal, and the use is flexible.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic diagram of a solar cell circuit.
Fig. 3 is a schematic diagram of a communication module and a switching power supply circuit.
Fig. 4 is a schematic diagram of a human body sensing circuit.
Fig. 5 is a schematic diagram of a driving circuit.
Fig. 6 is a schematic diagram of the wiring of the control chip U1.
Main component symbol description:
a solar cell circuit 11, a conversion power supply circuit 12, and a switching circuit 13;
a communication module 20;
a human body sensing circuit 30;
a driving circuit 40;
indicating circuit 50.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent.
As shown in fig. 1 to 6, the present invention discloses an intelligent control circuit, which includes a power supply circuit 12, a human body sensing circuit 30, a driving circuit 40, a control chip U1 and a communication module 20. In the scheme, the control chip U1 is a singlechip with the model STM8S003F3, the singlechip is excellent in technical maturity and is used in a large amount, the purchasing cost is relatively low, the number of input and output ports is proper, and the use requirement can be met without waste.
The power supply circuit 12 includes a solar cell circuit 11 and a power supply conversion circuit, wherein an input end of the power supply conversion circuit is connected with a first output end of the solar cell circuit 11, and the power supply conversion circuit converts an output voltage of the solar cell circuit 11 into a voltage level suitable for requirements of subsequent circuits.
The charging control end of the solar cell circuit 11 is connected with the charging control output end of the control chip U1, so as to control the charging of the solar panel to the battery. The control end of the second output end of the solar cell circuit 11 is connected with the illumination power supply control output end of the control chip U1, so that the control power supply enters the driving circuit 40, the power supply of the LED lamp group can be cut off in daytime, and the LED lamp group can be powered at night. The solar panel voltage detection end and the battery voltage detection end of the control chip U1 are respectively connected with the solar panel anode and the battery anode of the solar battery circuit 11, and the daytime or night can be judged by detecting the voltage of the solar panel, so that the use of a light sensor can be omitted, and the cost is lower. The voltage of the battery can be detected to be used as a charging condition for judging whether charging is needed, in addition, the output mode of the lamplight can be regulated according to the voltage of the battery at night, and a referential standard is provided for realizing the prolongation of the endurance capacity and the energy saving.
Specifically, in the solar cell circuit 11, the negative electrode of the solar panel J1 is grounded GND, the positive electrode of the solar panel J1 is connected to the source electrode of the MOS transistor Q2, one end of the resistor R20, the solar panel voltage detection end of the control chip U1 (pin 19 of the control chip U1), and the positive electrode of the diode D3, the other end of the resistor R20 is connected to the gate electrode of the MOS transistor Q2 and the collector electrode of the triode Q8, the emitter electrode of the triode Q8 is grounded GND, and the base electrode of the triode Q8 is connected to the charge control output end of the control chip U1 (pin 1 of the control chip U1) through the resistor R21. The drain electrode of the MOS transistor Q2 is connected with the positive electrode of the diode D1, and the negative electrode of the diode D1 is connected with the positive electrode of the battery J2, the drain electrode of the MOS transistor Q1, one end of the resistor R16, the battery voltage detection end of the control chip U1 (the 2 pins of the control chip U1) and the positive electrode of the diode D4. The other end of the resistor R16 is connected with the grid electrode of the MOS transistor Q1 and the collector electrode of the triode Q3. The negative electrode of the battery J2 and the emitter of the triode Q3 are grounded GND. The base electrode of the transistor Q3 is connected with the illumination power supply control output end of the control chip U1 (3 pins of the control chip U1) through a resistor R17. The cathode of the diode D3 and the cathode of the diode D4 are connected and form a first output end of the solar cell circuit 11, and the source electrode of the MOS transistor Q1 is used as a second output end of the solar cell circuit 11. The base of the triode Q8 and the base of the triode Q3 are respectively the charging control end and the control end of the second output end of the solar cell circuit 11.
In order to protect the circuit, a zener diode ZD1 and two sets of voltage-collecting voltage-dividing circuits are also provided in the solar cell circuit 11. The positive electrode of the zener diode ZD1 is connected with the negative electrode of the solar panel J1, and the negative electrode of the zener diode ZD1 is connected with the positive electrode of the solar panel J1. The zener diode ZD1 plays a role in protecting the solar panel. In the two groups of voltage acquisition voltage dividing circuits, one end of a resistor R2 is connected with the positive electrode of a diode D3, the other end of the resistor R2 is connected with one end of a resistor R1, one end of a capacitor C3 and a solar panel voltage detection end (19 pins of the control chip U1) of the control chip U1, and the other end of the resistor R1 is grounded GND with the other end of the capacitor C3. One end of the resistor R4 is connected to the positive electrode of the diode D4, and the other end of the resistor R4 is connected to one end of the resistor R3, one end of the capacitor C4, and a battery voltage detection end (pin 2 of the control chip U1) of the control chip U1, where the other end of the resistor R3 is grounded GND to the other end of the capacitor C4. The two groups of voltage acquisition and voltage division circuits respectively correspond to the voltage acquisition and the battery voltage acquisition of the solar panel, and the impact and even damage of the solar panel voltage and the battery voltage in a high-level state on the control chip U1 are avoided through voltage division.
In the power conversion circuit, the Vin pin of the voltage stabilizing triode U2 is used as the input end of the power conversion circuit to be connected with the first output end of the solar battery circuit 11, the GD pin of the voltage stabilizing triode U2 is grounded GND, the Vout pin of the voltage stabilizing triode U2 is the output end of the power conversion circuit, and the power conversion circuit outputs stable 3.3V voltage. The power conversion circuit is used as a power supply point of each subsequent circuit, and a switch circuit 13 can be designed as a master control switch for control. In the switch circuit 13, one end of the switch J3 is connected to one end of the resistor R14 and the first output end of the solar cell circuit 11, the other end of the switch J3 is connected to the other end of the resistor R14, the input end of the power conversion circuit (i.e., the Vin pin of the triac U2), one end of the capacitor C14, and the other end of the capacitor C14 is grounded GND.
The power input end of the communication module 20 is connected with the output end of the power conversion circuit to obtain electricity, and the power input end of the control chip U1 and the power input end of the human body induction circuit 30 are connected with the output end of the power conversion circuit or the power output end of the communication module 20 to obtain electricity. The communication module 20 includes at least one mode output end, the control chip U1 includes mode input ends corresponding to the mode output ends of the communication module 20 one by one, and the communication module 20 is connected with an external terminal. The communication module 20 is a bluetooth module, which has relatively low cost, so that the product lamp has no external interface, and is more beneficial to waterproof and anti-mosquito settings. The external terminal such as a mobile phone APP is used for setting the light mode, and the operation is simple, convenient and flexible. In this case, it is assumed that the communication module 20 can set three output modes, or can set three parameters, and the control chip U1 controls different output modes by collecting the three output modes. Specifically, pin 5 of the communication module 20 is connected to pin Vout of the power conversion circuit; the 4-pin of the communication module 20 is a power output end, and outputs 3.3V voltage, which has the advantage of saving electricity, for example, in a warehouse or a transportation device, if the power is supplied through the communication module 20, the system can be disabled. The 1, 2 and 3 pins of the communication module 20 are mode output ends, and are respectively connected with the 17, 10 and 6 pins of the control chip U1 correspondingly.
In order to enable the user to intuitively know the current control mode and the connection state of the communication module 20, an indication circuit 50 is further provided, a three-way mode output end and a connection indication output end are provided on the communication module 20, and a three-way mode indication output end is further provided on the control chip U1.
In the indication circuit 50, the negative electrode of the indication lamp LED-R, the negative electrode of the indication lamp LED-Y, the negative electrode of the indication lamp LED-G and the negative electrode of the indication lamp LED-B are correspondingly connected with the collector electrode of the triode Q4, the collector electrode of the triode Q5, the collector electrode of the triode Q6 and the collector electrode of the triode Q7 respectively. The positive electrode of the indicator light LED-R, the positive electrode of the indicator light LED-Y, the positive electrode of the indicator light LED-G and the positive electrode of the indicator light LED-B are connected with the output end of the power conversion circuit and one end of the resistor R28 through the resistor R33, and the other end of the resistor R28 is connected with the power output end (4 pins of the communication module 20) of the communication module 20. The base of the triode Q4, the base of the triode Q5, the base of the triode Q6 and the base of the triode Q7 are correspondingly connected with three-way mode indication output ends (4 pins, 5 pins and 20 pins of the control chip U1 respectively) of the control chip U1 and the connection indication output end (7 pins of the communication module 20, the indication lamp is turned off after flashing for a few seconds when in Bluetooth operation) of the communication module 20 through a resistor R24, a resistor R25, a resistor R26 and a resistor R27 respectively, and the indication lamp is connected to the communication module. The emitter of the transistor Q4, the emitter of the transistor Q5, the emitter of the transistor Q6 and the emitter of the transistor Q7 are grounded GND. In the drawings of the specification, the specific connection of the indicator lamp is omitted, and the indication lamp is represented by a connector J4, and the connection of the positive electrode of the indicator lamp with the 1 pin of the connector J4 is equivalent to the positive electrode of a power supply; the negative pole of pilot lamp connects 2 feet, 3 feet, 4 feet and 5 feet of connector J4 respectively.
In the body sensing circuit 30, a power input end of the infrared sensing probe, a VDD pin of the control chip U4, one end of the capacitor C9, and one end of the capacitor C10 are connected with an output end of the power conversion circuit or a power output end of the communication module 20, the other end of the capacitor C9 and the other end of the capacitor C10 are grounded GND, the ground of the infrared sensing probe is grounded GND, and an output end of the infrared sensing probe is connected with the resistor R13, the capacitor C13, and a PIR pin of the control chip U4. The CDS end of the control chip U4 is connected with one end of a resistor R12, the other end of the resistor R12 is grounded GND with one end of a resistor R11, and the other end of the resistor R11 is connected with a resistor R10 and a TCI pin of the control chip U4. The other end of the resistor R10, one end of the resistor R9, one end of the capacitor C11, and one end of the capacitor C12 are connected to the output end of the power conversion circuit or the power output end of the communication module 20, and the other end of the capacitor C11 and the other end of the capacitor C12 are grounded GND. The other end of the resistor R9 is connected with one end of the resistor R8 and the SENS pin of the control chip U4, and the other end of the resistor R8 and the VSS pin of the control chip U4 are grounded to GND. The pin OUT of the control chip U4 is connected to one end of a resistor R7 as a feedback output end of the body sensing circuit 30, and the other end of the resistor R7 is connected to a resistor R6, a capacitor C8, and a feedback input end of the control chip U1 (pin 15 of the control chip U1), where the other end of the resistor R6 and the other end of the capacitor C8 are grounded GND. The model of the control chip U4 is SW06A, and the model of the infrared sensing probe is AH510.
In the driving circuit 40, the positive electrode of the electrolytic capacitor EC1 is connected with one end of the inductor L1, one end of the capacitor C15, one end of the resistor R18 and the Vin pin of the control chip U3 to form a power input end of the driving circuit 40, the negative electrode of the electrolytic capacitor EC1 is grounded with the other end of the capacitor C15, and the other end of the resistor R18 is connected with the EN pin of the control chip U3. The other end of the inductor L1 is connected to one end of the capacitor CX, the SW pin of the control chip U3, and the positive electrode of the diode D2, and the other end of the capacitor CX is grounded GND through the resistor RX. The cathode of the diode D2 is connected to the anode of the electrolytic capacitor EC2 and one end of the capacitor C16 to form the anode of the driving output end of the driving circuit 40, and the cathode of the electrolytic capacitor EC2 and the other end of the capacitor C16 are grounded GND. The positive electrode of the diode D5 is a control input end of the driving circuit 40, the negative electrode of the diode D5 is connected with one end of the resistor R19 and the FB pin of the control chip U3, the other end of the resistor R19 is connected with one end of the resistor RA to form a negative electrode of the driving output end of the driving circuit 40, and the other end of the resistor RA and the GD pin of the control chip U3 are grounded to GND. The driving output terminal of the driving circuit 40 is connected to the LED lamp group. The model of the control chip U3 is XL6001.
The pin 9 of the control chip U1 is used as a power input end and one end of the capacitor CA is connected with the output end of the power conversion circuit or the power output end of the communication module 20, and the other end of the capacitor CA is connected with the pin 8 of the control chip U1 through the capacitor C5. The 7 pin of the control chip U1 is grounded GND.
The principle of the invention is as follows:
through detecting the voltage of solar panel, when the voltage of solar panel reaches 5.0V, consider daytime, control chip U1's 3 foot output low level, and then make MOS pipe Q1 cut off, control chip U1's 1 foot output high level simultaneously, MOS pipe Q2 switches on, and solar panel charges for the group battery. When the voltage of the solar panel is lower than 4.4V, the solar panel is considered to be at night, the 1 pin of the control chip U1 outputs a low level, the MOS tube Q2 is cut off, the solar panel stops charging the battery, the 3 pin of the control chip U1 outputs a high level, the LED lamp is on at the moment, and the 14 pin of the control chip U1 outputs PWM signals with different duty ratios according to the selected functional mode and the human body induction module, so that the brightness and time of the LED are controlled. When the system works, the voltage of the battery pack is detected by the pin 2 of the control chip U1, the solar panel charges the battery in the daytime, and when the voltage of the battery reaches 8.8V, the charging circuit is cut off, namely the pin 11 of the control chip U11 is changed from high level to low level, so that the second protection can be provided under the condition that the self-contained protection function of the battery pack fails.
The communication module 20 is matched with the mobile phone APP to control the output of different modes. For example, when the human body activity is detected, the brightness is automatically adjusted to 100% at the initial 20%, and after the human body passes, the 100% brightness is delayed for 20s and gradually changed to 20%.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention.

Claims (10)

1.一种智能控制电路，其特征在于：包括电源电路、人体感应电路、驱动电路、控制芯片U1和通讯模块；1. An intelligent control circuit, characterized by: including a power circuit, a human body induction circuit, a drive circuit, a control chip U1 and a communication module; 所述电源电路包括太阳能电池电路和电源转换电路，电源转换电路的输入端与太阳能电池电路的第一输出端连接；The power circuit includes a solar cell circuit and a power conversion circuit, and the input end of the power conversion circuit is connected to the first output end of the solar cell circuit; 所述太阳能电池电路的充电控制端与控制芯片U1的充电控制输出端连接，太阳能电池电路的第二输出端的控制端与控制芯片U1的照明供电控制输出端连接，控制芯片U1的太阳能板电压检测端和电池电压检测端分别与太阳能电池电路的太阳能板正极和电池正极连接；The charging control end of the solar cell circuit is connected to the charging control output end of the control chip U1, the control end of the second output end of the solar cell circuit is connected to the lighting power supply control output end of the control chip U1, and the solar panel voltage of the control chip U1 is detected. The terminal and the battery voltage detection terminal are respectively connected to the positive electrode of the solar panel and the positive electrode of the battery of the solar cell circuit; 所述通讯模块的电源输入端与与电源转换电路的输出端连接，所述控制芯片U1的电源输入端和人体感应电路的电源输入端与电源转换电路的输出端或通讯模块的电源输出端连接；The power input end of the communication module is connected to the output end of the power conversion circuit. The power input end of the control chip U1 and the power input end of the human body induction circuit are connected to the output end of the power conversion circuit or the power output end of the communication module. ; 所述人体感应电路的反馈输出端与控制芯片U1的反馈输入端连接；The feedback output end of the human body sensing circuit is connected to the feedback input end of the control chip U1; 所述通讯模块包括至少一模式输出端，所述控制芯片U1包括与通讯模块的模式输出端一一对应的模式输入端；所述通讯模块与外部终端连接；The communication module includes at least one mode output terminal, and the control chip U1 includes a mode input terminal corresponding to the mode output terminal of the communication module; the communication module is connected to an external terminal; 所述驱动电路的电源输入端与太阳能电池电路的第二输出端连接，驱动电路的控制输入端与控制芯片U1的控制输出端连接，驱动电路的驱动输出端与LED灯组连接。The power input end of the drive circuit is connected to the second output end of the solar cell circuit, the control input end of the drive circuit is connected to the control output end of the control chip U1, and the drive output end of the drive circuit is connected to the LED lamp set. 2.根据权利要求1所述的智能控制电路，其特征在于：所述太阳能电池电路中，太阳能板J1的负极接地GND，太阳能板J1的正极则与MOS管Q2的源极、电阻R20的一端、控制芯片U1的太阳能板电压检测端以及二极管D3的正极连接，电阻R20的另一端则与MOS管Q2的栅极以及三极管Q8的集电极连接，三极管Q8的发射极接地GND，三极管Q8的基极经电阻R21与控制芯片U1的充电控制输出端连接；MOS管Q2漏极与二极管D1的正极连接，二级管D1的负极则与电池J2的正极、MOS管Q1的漏极、电阻R16的一端、控制芯片U1的电池电压检测端以及二极管D4的正极连接；电阻R16的另一端则与MOS管Q1的栅极以及三极管Q3的集电极连接；电池J2的负极以及三极管Q3的发射极均接地GND；三级管Q3的基极经电阻R17接控制芯片U1的照明供电控制输出端；二级管D3的负极和二极管D4的负极连接并形成太阳能电池电路的第一输出端，MOS管Q1的源极则作为太阳能电池电路的第二输出端；所述三极管Q8的基极和三级管Q3的基极分别为太阳能电池电路的充电控制端和第二输出端的控制端。2. The intelligent control circuit according to claim 1, characterized in that: in the solar cell circuit, the negative electrode of the solar panel J1 is connected to the ground GND, and the positive electrode of the solar panel J1 is connected to the source of the MOS tube Q2 and one end of the resistor R20. , the solar panel voltage detection end of the control chip U1 is connected to the anode of the diode D3, the other end of the resistor R20 is connected to the gate of the MOS tube Q2 and the collector of the transistor Q8, the emitter of the transistor Q8 is connected to the ground GND, and the base of the transistor Q8 The pole is connected to the charging control output of the control chip U1 through resistor R21; the drain of MOS tube Q2 is connected to the anode of diode D1, and the cathode of diode D1 is connected to the anode of battery J2, the drain of MOS tube Q1, and the anode of resistor R16. One end is connected to the battery voltage detection end of the control chip U1 and the anode of the diode D4; the other end of the resistor R16 is connected to the gate of the MOS tube Q1 and the collector of the transistor Q3; the cathode of the battery J2 and the emitter of the transistor Q3 are both grounded GND; the base of the triode Q3 is connected to the lighting power supply control output of the control chip U1 through the resistor R17; the cathode of the diode D3 and the cathode of the diode D4 are connected to form the first output end of the solar cell circuit, and the MOS tube Q1 The source electrode serves as the second output terminal of the solar cell circuit; the base electrode of the transistor Q8 and the base electrode of the transistor Q3 are respectively the charging control terminal and the control terminal of the second output terminal of the solar cell circuit. 3.根据权利要求2所述的智能控制电路，其特征在于：所述太阳能电池电路中还设有稳压二级管ZD1和两组电压采集分压电路；所述稳压二极管ZD1的正极与太阳能板J1的负极连接，稳压二极管ZD1的负极则与太阳能板J1的正极连接；两组电压采集分压电路中，电阻R2的一端与二极管D3的正极连接，电阻R2的另一端则与电阻R1的一端、电容C3的一端以及控制芯片U1的太阳能板电压检测端连接，电阻R1的另一端与电容C3的另一端接地GND；电阻R4的一端与二极管D4的正极连接，电阻R4的另一端则与电阻R3的一端、电容C4的一端以及控制芯片U1的电池电压检测端连接，电阻R3的另一端与电容C4的另一端接地GND。3. The intelligent control circuit according to claim 2, characterized in that: the solar cell circuit is also provided with a voltage stabilizing diode ZD1 and two sets of voltage collection voltage dividing circuits; the anode of the voltage stabilizing diode ZD1 is connected to The cathode of the solar panel J1 is connected, and the cathode of the Zener diode ZD1 is connected to the anode of the solar panel J1; in the two sets of voltage collection voltage dividing circuits, one end of the resistor R2 is connected to the anode of the diode D3, and the other end of the resistor R2 is connected to the anode of the resistor D3. One end of R1, one end of capacitor C3 and the solar panel voltage detection end of control chip U1 are connected, the other end of resistor R1 and the other end of capacitor C3 are connected to ground GND; one end of resistor R4 is connected to the anode of diode D4, and the other end of resistor R4 Then it is connected to one end of the resistor R3, one end of the capacitor C4 and the battery voltage detection end of the control chip U1, and the other end of the resistor R3 and the other end of the capacitor C4 are connected to the ground GND. 4.根据权利要求1所述的智能控制电路，其特征在于：所述电源转换电路中，稳压三极管U2的Vin脚作为电源转换电路的输入端与太阳能电池电路的第一输出端连接，稳压三极管U2的GD脚接地GND，稳压三极管U2的Vout脚则为电源转换电路的输出端。4. The intelligent control circuit according to claim 1, characterized in that: in the power conversion circuit, the Vin pin of the voltage stabilizing transistor U2 serves as the input end of the power conversion circuit and is connected to the first output end of the solar cell circuit, stably The GD pin of the voltage transistor U2 is connected to the ground GND, and the Vout pin of the voltage stabilizing transistor U2 is the output end of the power conversion circuit. 5.根据权利要求1或4所述的智能控制电路，其特征在于：所述电源转换电路还包括开关电路；所述开关电路中，开关J3的一端与电阻R14的一端以及太阳能电池电路的第一输出端连接，开关J3的另一端则与电阻R14的另一端、电源转换电路的输入端、电容C14的一端连接，电容C14的另一端则接地GND。5. The intelligent control circuit according to claim 1 or 4, characterized in that: the power conversion circuit further includes a switch circuit; in the switch circuit, one end of the switch J3 and one end of the resistor R14 and the third end of the solar cell circuit One output end is connected, and the other end of the switch J3 is connected to the other end of the resistor R14, the input end of the power conversion circuit, and one end of the capacitor C14. The other end of the capacitor C14 is connected to the ground GND. 6.根据权利要求1所述的智能控制电路，其特征在于：所述人体感应电路中，红外感应探头的电源输入端、控制芯片U4的VDD脚、电容C9的一端、电容C10的一端与电源转换电路的输出端或通讯模块的电源输出端连接，电容C9的另一端和电容C10的另一端接地GND，红外感应探头的地端接地GND，红外感应探头的输出端则与电阻R13、电容C13以及控制芯片U4的PIR脚连接；控制芯片U4的CDS端与电阻R12的一端连接，电阻R12的另一端与电阻R11的一端接地GND，电阻R11的另一端与电阻R10以及控制芯片U4的TCI脚连接；电阻R10的另一端、电阻R9的一端、电容C11的一端、电容C12的一端与电源转换电路的输出端或通讯模块的电源输出端连接，电容C11的另一端和电容C12的另一端接地GND；电阻R9的另一端与电阻R8的一端以及控制芯片U4的SENS脚连接，电阻R8的另一端以及控制芯片U4的VSS脚则接地GND；控制芯片U4的OUT脚作为体感应电路的反馈输出端与电阻R7的一端连接，电阻R7的另一端与电阻R6、电容C8以及控制芯片U1的反馈输入端连接，电阻R6的另一端和电容C8的另一端接地GND。6. The intelligent control circuit according to claim 1, characterized in that: in the human body induction circuit, the power input end of the infrared induction probe, the VDD pin of the control chip U4, one end of the capacitor C9, one end of the capacitor C10 and the power supply The output end of the conversion circuit or the power output end of the communication module is connected. The other end of the capacitor C9 and the other end of the capacitor C10 are connected to the ground GND. The ground end of the infrared sensing probe is connected to the ground GND. The output end of the infrared sensing probe is connected to the resistor R13 and capacitor C13. And the PIR pin of the control chip U4 is connected; the CDS end of the control chip U4 is connected to one end of the resistor R12, the other end of the resistor R12 and one end of the resistor R11 are connected to ground GND, the other end of the resistor R11 is connected to the resistor R10 and the TCI pin of the control chip U4 Connection; the other end of resistor R10, one end of resistor R9, one end of capacitor C11, and one end of capacitor C12 are connected to the output end of the power conversion circuit or the power output end of the communication module. The other end of capacitor C11 and the other end of capacitor C12 are grounded. GND; the other end of the resistor R9 is connected to one end of the resistor R8 and the SENS pin of the control chip U4, and the other end of the resistor R8 and the VSS pin of the control chip U4 are connected to ground GND; the OUT pin of the control chip U4 is used as the feedback output of the body sensing circuit The other end of resistor R7 is connected to the feedback input end of resistor R6, capacitor C8 and control chip U1. The other end of resistor R6 and the other end of capacitor C8 are connected to ground GND. 7.根据权利要求1所述的智能控制电路，其特征在于：所述驱动电路中，电解电容EC1的正极与电感L1的一端、电容C15的一端、电阻R18的一端以及控制芯片U3的Vin脚连接形成驱动电路的电源输入端，电解电容EC1的负极和电容C15的另一端接地，电阻R18的另一端与控制芯片U3的EN脚连接；电感L1的另一端与电容CX的一端、控制芯片U3的SW脚以及二极管D2的正极连接，电容CX的另一端经电阻RX接地GND；二极管D2的负极与电解电容EC2的正极以及电容C16的一端连接形成驱动电路的驱动输出端的正极，电解电容EC2的负极和电容C16的另一端接地GND；二极管D5的正极为驱动电路的控制输入端，二极管D5的负极则与电阻R19的一端以及控制芯片U3的FB脚连接，电阻R19的另一端与电阻RA的一端连接形成驱动电路的驱动输出端的负极，电阻RA的另一端以及控制芯片U3的GD端接地GND。7. The intelligent control circuit according to claim 1, characterized in that: in the driving circuit, the positive electrode of the electrolytic capacitor EC1 and one end of the inductor L1, one end of the capacitor C15, one end of the resistor R18 and the Vin pin of the control chip U3 Connect the power input end forming the drive circuit. The negative electrode of the electrolytic capacitor EC1 and the other end of the capacitor C15 are connected to ground. The other end of the resistor R18 is connected to the EN pin of the control chip U3. The other end of the inductor L1 is connected to one end of the capacitor CX and the control chip U3. The SW pin of the diode D2 is connected to the anode of the diode D2. The other end of the capacitor CX is connected to the ground GND through the resistor RX. The cathode of the diode D2 is connected to the anode of the electrolytic capacitor EC2 and one end of the capacitor C16 to form the anode of the drive output end of the drive circuit. The anode of the electrolytic capacitor EC2 The cathode and the other end of the capacitor C16 are connected to ground GND; the anode of the diode D5 is the control input end of the drive circuit, the cathode of the diode D5 is connected to one end of the resistor R19 and the FB pin of the control chip U3, and the other end of the resistor R19 is connected to the resistor RA One end is connected to the negative electrode of the drive output end forming the drive circuit, and the other end of the resistor RA and the GD end of the control chip U3 are connected to the ground GND. 8.根据权利要求1所述的智能控制电路，其特征在于：还包括指示电路；所述通讯模块包括三路模式输出端，且通讯模块还包括连接指示输出端，所述控制芯片U1还包括三路模式指示输出端；8. The intelligent control circuit according to claim 1, characterized in that: it also includes an indication circuit; the communication module includes a three-way mode output end, and the communication module also includes a connection indication output end, and the control chip U1 also includes Three-way mode indication output; 所述指示电路中，指示灯LED-R的负极、指示灯LED-Y的负极、指示灯LED-G的负极和指示灯LED-B的负极分别对应连接三极管Q4的集电极、三极管Q5的集电极、三极管Q6的集电极和三极管Q7的集电极；指示灯LED-R的正极、指示灯LED-Y的正极、指示灯LED-G的正极和指示灯LED-B的正极均通过电阻R33连接电源转换电路的输出端和电阻R28的一端，电阻R28的另一端则连接通讯模块的电源输出端；三极管Q4的基极、三极管Q5的基极、三极管Q6的基极和三极管Q7的基极分别通过电阻R24、电阻R25、电阻R26和电阻R27对应连接控制芯片U1三路模式指示输出端和通讯模块的连接指示输出端；三极管Q4的发射极、三极管Q5的发射极、三极管Q6的发射极和三极管Q7的发射极接地GND。In the indication circuit, the cathode of the indicator light LED-R, the cathode of the indicator light LED-Y, the cathode of the indicator light LED-G and the cathode of the indicator light LED-B are respectively connected to the collector of the transistor Q4 and the collector of the transistor Q5. electrode, the collector of transistor Q6 and the collector of transistor Q7; the positive electrode of indicator LED-R, the positive electrode of indicator LED-Y, the positive electrode of indicator LED-G and the positive electrode of indicator LED-B are all connected through resistor R33 The output end of the power conversion circuit and one end of resistor R28, the other end of resistor R28 is connected to the power output end of the communication module; the base of transistor Q4, the base of transistor Q5, the base of transistor Q6 and the base of transistor Q7 respectively The three-way mode indicating output terminal of the control chip U1 and the connection indicating output terminal of the communication module are connected correspondingly through the resistor R24, the resistor R25, the resistor R26 and the resistor R27; the emitter of the transistor Q4, the emitter of the transistor Q5, the emitter of the transistor Q6 and The emitter of transistor Q7 is connected to ground GND. 9.根据权利要求1或8所述的智能控制电路，其特征在于：所述通讯模块为蓝牙模块。9. The intelligent control circuit according to claim 1 or 8, characterized in that: the communication module is a Bluetooth module. 10.根据权利要求1所述的智能控制电路，其特征在于：所述控制芯片U1的型号为STM8S003F3；控制芯片U1的9脚和电容CA的一端与电源转换电路的输出端或通讯模块的电源输出端连接，电容CA的另一端则通过电容C5与控制芯片U1的8脚连接；控制芯片U1的7脚接地GND。10. The intelligent control circuit according to claim 1, characterized in that: the model of the control chip U1 is STM8S003F3; pin 9 of the control chip U1 and one end of the capacitor CA are connected to the output end of the power conversion circuit or the power supply of the communication module The output end is connected, and the other end of the capacitor CA is connected to pin 8 of the control chip U1 through the capacitor C5; pin 7 of the control chip U1 is connected to the ground GND.
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