CN114189032A - Solar power supply control circuit - Google Patents
Solar power supply control circuit Download PDFInfo
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- CN114189032A CN114189032A CN202111536603.XA CN202111536603A CN114189032A CN 114189032 A CN114189032 A CN 114189032A CN 202111536603 A CN202111536603 A CN 202111536603A CN 114189032 A CN114189032 A CN 114189032A
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- 229910001629 magnesium chloride Inorganic materials 0.000 description 8
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 8
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Images
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
- 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
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00308—Overvoltage protection
-
- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- 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
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/03—Arrangements for regulating or controlling the speed or torque of electric DC motors for controlling the direction of rotation of DC motors
- H02P7/04—Arrangements for regulating or controlling the speed or torque of electric DC motors for controlling the direction of rotation of DC motors by means of a H-bridge circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
- H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
- H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
- H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
- H02P7/285—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
- H02P7/29—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using pulse modulation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Direct Current Feeding And Distribution (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
Solar energy power supply control circuit belongs to power supply control technical field, especially relates to a solar energy power supply control circuit. The invention provides a solar power supply control circuit with a good use effect. The invention comprises a direct current motor control part, a key control part, an LED indicating part, a temperature and humidity detection part, a CPU control part and a power supply part, wherein a control signal input port of the direct current motor control part is connected with a control signal output port of the CPU control part, a control signal output port of the key control part is connected with a control signal input port of the CPU control part, a control signal input port of the LED indicating part is connected with a control signal output port of the CPU control part, and a detection signal output port of the temperature and humidity detection part is connected with a detection signal input port of the CPU control part.
Description
Technical Field
The invention belongs to the technical field of power supply control, and particularly relates to a solar power supply control circuit.
Background
From ancient times to the present, painting and calligraphy works are all paper, the paper is the least easy to store, however, like many ancient painting and calligraphy works, the painting and calligraphy works are also difficult to store completely, and many historical relics seen by people are repaired by professional people. If the paper cultural relics seen by people are not properly stored, the paper cultural relics are easily damaged and deteriorated, so that carelessness can cause great mistakes, and the maintenance of the painting and calligraphy is not negligible. At present, calligraphy and painting corrosion prevention is mainly operated manually, and painting of a corrosion-resistant material is uneven, so that the painting and calligraphy are difficult to be accurately protected by the corrosion-resistant material. Therefore, an anti-corrosion device with a good using effect needs to be designed, and a solar power supply control circuit matched with the anti-corrosion device needs to be designed for the anti-corrosion device with the good using effect.
Disclosure of Invention
The invention aims at the problems and provides a solar power supply control circuit with good use effect.
In order to achieve the purpose, the invention adopts the following technical scheme that the LED temperature and humidity sensor comprises a direct current motor control part, a key control part, an LED indicating part, a temperature and humidity detection part, a CPU control part and a power supply part, wherein a control signal input port of the direct current motor control part is connected with a control signal output port of the CPU control part, a control signal output port of the key control part is connected with a control signal input port of the CPU control part, a control signal input port of the LED indicating part is connected with a control signal output port of the CPU control part, a detection signal output port of the temperature and humidity detection part is connected with a detection signal input port of the CPU control part, and an electric energy output port of the power supply part is respectively connected with a power supply port of the direct current motor control part, a power supply port of the key control part, a power supply port of the LED indicating part, a power supply port of the temperature and humidity detection part, a power supply port of the CPU control part, a temperature and a temperature detection part, The power supply port of the CPU control part is connected, and the input port of the power supply part is connected with the output port of the solar power supply part.
As another preferred scheme, the dc motor control part of the present invention includes a resistor R21, one end of R21 is connected to the cathode of M1 and the cathode of led D10, the other end of R21 is connected to the cathode of M2 and one end of resistor R22 through led D9, the other end of R22 is connected to the anode of D10;
the PWM1 is connected with the base electrode of an NPN diode Q4 through a resistor R10, the emitter electrode of Q4 is grounded, the collector electrode of Q4 is connected with the cathode electrode of the U2 input end of an OPTOISO1 chip, and the anode electrode of the U2 input end is connected with 3.3VDD through a resistor R3; an emitter of an output end of U2 is grounded through a resistor R9, a collector of an output end of U2 is respectively connected with one end of a resistor R4 and one end of a resistor R6, the other end of R4 is connected with 24V, the other end of R6 is respectively connected with an anode of a D1 tube of 1N4744 and a grid of a Q1 tube of IRF9405, a drain of Q1 is respectively connected with a cathode of D1, one end of a fuse F1, a cathode of a diode D3, one end of a capacitor C1, a cathode of a D2 electrode of the 1N4744, a drain of a Q2 tube of IRF9405, a cathode of a diode D4 and one end of a capacitor C2, and the other end of F1 is connected with 24V;
the source of Q1 is respectively connected with the anode of D3, the other end of C1, M1, one end of motor MG1, one end of capacitor C3, the drain of IRF540N tube Q5, the cathode of diode D5 and one end of capacitor C4; the grid of Q5 is connected with the cathode of tube D7 of 1N4744, one end of resistance R16 separately, D7 positive pole is connected with ground, one end of resistance R19 separately, another end of R19 is connected with another end of R16, OPTOISO1 chip U4 output terminal emitter separately, the collector of U4 output terminal is connected 24V through resistance R14, the anode of U4 input terminal is connected 3.3VDD through resistance R13, the cathode of U4 input terminal is connected with collector of NPN triode Q8, the emitter of Q8 is grounded, the base of Q8 is connected PWM3 through resistance R20;
the source of Q5 is connected with D5 positive pole, another end of C4, the source of IRF540N pipe Q6, diode D6 positive pole, ground, one end of electric capacity C5, 1N4744 pipe D8 positive pole link, D8 negative pole is connected with grid of Q6, one end of resistance R15 separately, another end of R15 is connected with one end of resistance R17, P521 chip U3 output terminal emitter separately, the U3 output terminal collector connects 24V through resistance R12, the U3 input terminal cathode connects the collector of triode Q7 of NPN, the emitter of Q7 is grounded, the base of Q7 connects PWM4 through resistance R18, the U3 input terminal anode connects +3V through resistance R11;
the grid of Q2 is respectively connected with the anode of D2, the other end of MG1, the other ends of M2 and C3, the drain of Q6, the cathode of D6, the other end of C5 and one end of a resistor R5, and the source of Q2 is respectively connected with the anode of D4 and the other end of a capacitor C2;
the other end of the R5 is respectively connected with one end of a resistor R2 and the collector of the output end of the U1 of the P521 chip, the emitter of the output end of the U1 is grounded through a resistor R7, the anode of the input end of the U1 is connected with +3V through a resistor R1, the cathode of the input end of the U1 is connected with the collector of an NPN triode Q3, the emitter of the Q3 is grounded, and the base of the Q3 is connected with the PWM2 through a resistor R8.
As another preferable scheme, the key control part of the present invention includes resistors R25, R26, R28 and R29, wherein one end of R25, one end of R26, one end of R28, one end of R29 is connected to 3.3VDD, the other end of R25 is connected to PA8 through switch SW1, the other end of R26 is connected to PA9 through switch SW2, the other end of R28 is connected to PA10 through switch SW3, and the other end of R29 is connected to PA11 through switch SW 4.
As another preferred scheme, the LED indicating portion of the present invention includes resistors R32, R33, R35, one end of R32 is connected to LED1, and the other end of R32 is connected to ground through light emitting diode D11; one end of R33 is connected with LED2, and the other end of R33 is connected with the ground through LED D12; one end of R35 is connected with LED3, and the other end of R35 is connected with the ground through LED D13.
As another preferred scheme, the temperature and humidity detecting part of the invention comprises AHT20 chips a1 and a2, wherein pin 2 of a1 is respectively connected with one end of a capacitor C6, one end of a resistor R23 and 3.3VDD, pin 3 of a1 is respectively connected with the other ends of PB6 and R23, pin 4 of a1 is respectively connected with the other ends of PB7 and resistor R24, pin 5 of a1 is connected with GND, and the other end of C6 is connected with GND;
Secondly, an STM32F103C8T6 chip U5 is adopted as a CPU control part, pins 29-32 of U5 are correspondingly connected with PA 8-PA 11 respectively, pins 5 of U5 are connected with one end of a resistor R27, one end of a crystal oscillator X1 and one end of a capacitor C7 respectively, the other end of C7 is connected with GND and one end of a capacitor C8 respectively, and the other end of C8 is connected with the other end of X1, the other end of R27 and pin 6 of U5 respectively;
a pin 44 of the U5 is connected with GND, a pin 7 of the U5 is respectively connected with one end of a switch S1 and one end of a capacitor C10, and the other end of the C10 is respectively connected with the other ends of GND and S1;
pins 25-28 of U5 are correspondingly connected with PWM 1-PWM 4 respectively, and pins 21 and 22 of U5 are correspondingly connected with PB10 and PB11 respectively; the pins 42 and 43 of the U5 are correspondingly connected with PB6 and PB7 respectively; the 20 pins of U5 are connected to GND.
In addition, the power supply part comprises a connector JP1, wherein a pin 2 of JP1 is respectively connected with one end of a capacitor C21, the anode of the capacitor C18 and a pin 1 of an LM2576-5.0 chip U10 through a diode D14, and a pin 1 of JP1 is respectively connected with the other end of the capacitor C21, the cathode of the C18, a pin 3 of U10, a pin 5 of U10, the anode of a voltage stabilizing tube DZ1, one end of the capacitor C19, the cathode of the capacitor C13, a pin 1 of an AMS1117-3.3 chip U6, one end of a capacitor C20, the cathode of a capacitor C12 and the cathode of a diode D15;
the 2 feet of U10 are connected with DZ1 cathode and one end of inductor L2, the other end of L2 is connected with one end of capacitor C19, the 4 feet of U10, VCC, the positive pole of C13 and the 3 feet of U6, the 2 feet of U6 are connected with the other end of C20, the positive pole of C12, 3.3VDD, one end of resistor R37 and one end of resistor R36, the other end of R37 is connected with the positive pole of D15, the other end of R36 is connected with one end of capacitor C14, one end of capacitor C15 and one end of inductor L1, the other end of C14 is connected with the other end of C15, one end of capacitor C16 and one end of capacitor C17, and ground, and the other end of L1 is connected with the other ends of 3.3VDD, C16 and C17.
The invention has the beneficial effects.
The CPU control part receives the detection signal input by the temperature and humidity detection part, the direct current motor is controlled by the direct current motor control part, the direct current motor can also be controlled by the key control part, the LED indication part indicates the relevant conditions, and the power supply part supplies power to all parts. The reliable and accurate control of the DC motor is completed through the mutual matching of the parts.
Drawings
The invention is further described with reference to the following figures and detailed description. The scope of the invention is not limited to the following expressions.
Fig. 1 is a schematic circuit diagram of a control part of a direct current motor of the present invention.
FIG. 2 is a schematic circuit diagram of a key control portion of the present invention.
FIG. 3 is a schematic diagram of the LED indicating portion of the circuit of the present invention.
Fig. 4 is a schematic diagram of a circuit of the temperature and humidity detecting part of the present invention.
FIG. 5 is a schematic diagram of the CPU control circuit of the present invention.
Fig. 6 is a schematic circuit diagram of the power supply portion of the present invention.
Fig. 7 is a schematic structural diagram of the present invention.
FIG. 8 is a schematic view showing the structure of a spraying part of the preservative of the present invention.
FIG. 9 is a schematic view of the dehumidifying part of the present invention.
Fig. 10 is a schematic view of the structure of the head of the present invention.
Fig. 11 is a schematic structural view of the unfolding and locking part of the calligraphy and painting of the invention.
FIG. 12 is a schematic diagram of the solar CPU control circuit of the present invention.
Fig. 13 is a circuit schematic of the timer circuit of the present invention.
FIG. 14 is a schematic circuit diagram of the solar LED indicating portion of the present invention.
Fig. 15 is a schematic circuit diagram of a solar power supply portion of the present invention.
FIG. 16 is a schematic circuit diagram of the charge/discharge control section according to the present invention.
Fig. 17 is a schematic circuit diagram of the terminal portion of the present invention.
In the figure, 1 is a cover plate, 2 is an antiseptic agent spraying part, 3 is a calligraphy and painting unfolding and locking part, 4 is a dehumidifying part, 5 is a box body, 6 is a locking nut, 7 is an AHT20 chip, 8 is a shell, 9 is a conical sleeve, 10 is a conical cylinder nozzle, 11 is a liquid feeding channel, 12 is an antiseptic agent, 13 is a hinge, 14 is an upper cover, 15 is an upper magnet, 16 is a lower magnet, 17 is a box body, 18 is a main air suction pipe, and 19 is an air feeding pipe.
Detailed Description
As shown in the figure, the solar power supply control circuit can be applied to an anti-corrosion device, the anti-corrosion device comprises a box body 5, the upper end of the box body 5 is provided with a cover plate 1, a dehumidifying part 4, an anti-corrosion agent spraying part 2 and a calligraphy and painting unfolding and locking part 3 are arranged in the box body 5, the calligraphy and painting unfolding and locking part 3 is arranged above the dehumidifying part 4 and the anti-corrosion agent spraying part 2, and a calligraphy and painting rotating shaft placing groove matched with the calligraphy and painting unfolding and locking part 3 is arranged on one side of the box body 5.
When the corrosion prevention device is used, the calligraphy and painting are unfolded and fixed above the dehumidifying part 4 and the preservative spraying part 2 through the calligraphy and painting unfolding locking part 3 and the calligraphy and painting rotating shaft placing groove, the dehumidifying part 4 and the preservative spraying part 2 can dehumidify and spray the unfolded calligraphy and painting, manual operation is replaced through the device, and the efficiency and the reliability of calligraphy and painting corrosion prevention operation are improved.
After spraying of the preservative is finished, drying operation can be performed through the dehumidifying part.
The direct current air compressor adopts an ASD-165DC type direct current air compressor.
The sprayer comprises a shell with an upper end opened, an inlet in the middle of the lower end of the shell is connected with an outlet of the air supply pipe, the inlet in the middle of the lower end of the shell extends upwards to form a cone-shaped barrel nozzle, a cone-shaped sleeve is sleeved on the outer side of the cone-shaped barrel nozzle, the inner wall of the cone-shaped sleeve is connected with the outer wall of the cone-shaped barrel nozzle (the connecting part is not cut in a cross-sectional view in the figure), a gap between the lower end of the cone-shaped sleeve and the lower end of the cone-shaped barrel nozzle is a nozzle liquid inlet, and a gap between the upper end of the cone-shaped sleeve and the upper end of the cone-shaped barrel nozzle is a nozzle atomization spraying port. In the process of blowing air by the direct current air compressor from the bottom with a thick pipe diameter to the upper end with a thin pipe diameter, the blowing path is gradually narrowed, negative pressure is generated at the upper end of the nozzle, the preservative in the nozzle is sucked to the upper end of the nozzle through a liquid feeding channel (a gap between the conical sleeve and the conical barrel) according to the siphon principle, and the preservative is sprayed out in a mist shape by air flow at the upper end of the nozzle.
The liquid medicine in the spray head can be filled manually.
Calligraphy and painting expandes locking part 3 includes the strip box body, and there is the upper cover box body upper end through hinge connection, and the outer end of upper cover is provided with magnet, is provided with down magnet corresponding to last magnet on the box body, and the box body both ends are provided with lead screw, and lead screw passes the horizontal strip direction mouth on 5 both sides upper portions of box, and lead screw arranges the part top spin in the box body outside and has lock nut.
Calligraphy and painting pivot standing groove can adopt two upper end open-ended arcs, and the arc setting can set up in 5 one side both ends of box, and the both ends of calligraphy and painting one side pivot can set up in the arc and rotatable, and calligraphy and painting has one side pivot setting in the box body, later closes the upper cover, and the tight calligraphy and painting tip of upper and lower magnet actuation clamp, the manual work slides the box body to suitable position, reaches the calligraphy and painting expansion area of requirement, through the position of the fixed box body of lock nut. The box body can be transversely moved and positioned along the guide port, the installation and fixation of calligraphy and painting of different sizes can be realized, and the calligraphy and painting are fixed and leveled and then are covered by the cover plate 1.
The calligraphy and painting rotating shaft placing groove can also adopt a structure that a hinge upper cover is added with a magnet, and the other side of the calligraphy and painting is clamped after the calligraphy and painting is unfolded.
The drive circuit of the motor of the direct current air compressor (namely the solar power supply control circuit) comprises a direct current motor control part, a key control part, an LED indicating part, a temperature and humidity detection part, a CPU control part and a power supply part, wherein a control signal input port of the direct current motor control part is connected with a control signal output port of the CPU control part, a control signal output port of the key control part is connected with a control signal input port of the CPU control part, a control signal input port of the LED indicating part is connected with a control signal output port of the CPU control part, a detection signal output port of the temperature and humidity detection part is connected with a detection signal input port of the CPU control part, and an electric energy output port of the power supply part is respectively connected with a power supply port of the direct current motor control part, a power supply port of the key control part, a power supply port of the LED indicating part, a power supply port of the CPU control part, a power supply port of the DC motor control part, a power supply port of the LED indicating part, a power supply port of the CPU control part, a power supply part, a control part, the power port of the temperature and humidity detection part is connected with the power port of the CPU control part.
The direct current motor control part comprises a resistor R21, one end of R21 is respectively connected with the cathodes of M1 and a light emitting diode D10, the other end of R21 is respectively connected with one end of M2 and one end of a resistor R22 through a light emitting diode D9, and the other end of R22 is connected with the anode of a D10; d9 and D10 are used for displaying the positive and negative rotation states of the motor;
the PWM1 is connected with the base electrode of an NPN diode Q4 through a resistor R10, the emitter electrode of Q4 is grounded, the collector electrode of Q4 is connected with the cathode electrode of the U2 input end of an OPTOISO1 chip, and the anode electrode of the U2 input end is connected with 3.3VDD through a resistor R3; an emitter of an output end of U2 is grounded through a resistor R9, a collector of an output end of U2 is respectively connected with one end of a resistor R4 and one end of a resistor R6, the other end of R4 is connected with 24V, the other end of R6 is respectively connected with an anode of a D1 tube of 1N4744 and a grid of a Q1 tube of IRF9405, a drain of Q1 is respectively connected with a cathode of D1, one end of a fuse F1, a cathode of a diode D3, one end of a capacitor C1, a cathode of a D2 electrode of the 1N4744, a drain of a Q2 tube of IRF9405, a cathode of a diode D4 and one end of a capacitor C2, and the other end of F1 is connected with 24V;
the source of the Q1 is respectively connected with the anode of D3, the other end of C1, M1, one end of a motor MG1 (which can adopt a DC speed reducing motor with the model number of 22GXR14K 4D), one end of a capacitor C3, the drain of an IRF540N tube Q5, the cathode of a diode D5 and one end of a capacitor C4; the grid of Q5 is connected with the cathode of tube D7 of 1N4744, one end of resistance R16 separately, D7 positive pole is connected with ground, one end of resistance R19 separately, another end of R19 is connected with another end of R16, OPTOISO1 chip U4 output terminal emitter separately, the collector of U4 output terminal is connected 24V through resistance R14, the anode of U4 input terminal is connected 3.3VDD through resistance R13, the cathode of U4 input terminal is connected with collector of NPN triode Q8, the emitter of Q8 is grounded, the base of Q8 is connected PWM3 through resistance R20;
the source of Q5 is connected with D5 positive pole, another end of C4, the source of IRF540N pipe Q6, diode D6 positive pole, ground, one end of electric capacity C5, 1N4744 pipe D8 positive pole link, D8 negative pole is connected with grid of Q6, one end of resistance R15 separately, another end of R15 is connected with one end of resistance R17, P521 chip U3 output terminal emitter separately, the U3 output terminal collector connects 24V through resistance R12, the U3 input terminal cathode connects the collector of triode Q7 of NPN, the emitter of Q7 is grounded, the base of Q7 connects PWM4 through resistance R18, the U3 input terminal anode connects +3V through resistance R11;
the grid of Q2 is respectively connected with the anode of D2, the other end of MG1, the other ends of M2 and C3, the drain of Q6, the cathode of D6, the other end of C5 and one end of a resistor R5, and the source of Q2 is respectively connected with the anode of D4 and the other end of a capacitor C2;
the other end of the R5 is respectively connected with one end of a resistor R2 and the collector of the output end of the U1 of the P521 chip, the emitter of the output end of the U1 is grounded through a resistor R7, the anode of the input end of the U1 is connected with +3V through a resistor R1, the cathode of the input end of the U1 is connected with the collector of an NPN triode Q3, the emitter of the Q3 is grounded, and the base of the Q3 is connected with the PWM2 through a resistor R8.
When the PWM1 and PWM4 are turned on at the same time, the motor rotates forward at the maximum speed, and when the output is at different duty ratios, the motor operates at a reduced speed. In the same way, the PWM2 and the PWM3 are simultaneously turned on, the motor is reversely rotated at the maximum speed, the output is carried out at different duty ratios, and the motor is decelerated. The forward and reverse rotation speed is controllable. The optical couple is used for isolating the driving signal from the control signal and protecting the control chip.
M1, M2 are the two power terminals of the motor. The control part of the direct current motor is equivalent to an H-bridge circuit, and the upper left (pwm 1) and the lower right (pwm 4) of the H-bridge are simultaneously opened to control the motor to rotate in one direction (spraying antiseptic), and also control the rotating speed (spraying more or less).
pwm2 and pwm3 are opened at the same time, the motor is controlled to rotate in the other direction (to suck air to accelerate drying when needed), and the rotating speed (wind speed) can also be controlled. The motor rotates in one direction to spray the antiseptic, and rotates in the other direction to suck air and remove moisture. As shown in fig. 1, the main suction pipe 18 of the dehumidifying part 4 and the air supply pipe 19 of the preservative spraying part 2 may employ two pipes arranged in parallel, and ends of the two pipes may be connected to a main pipe connected to a dc air compressor. The end parts of the air suction main pipe of the dehumidification part 4 and the air supply pipe of the antiseptic spraying part 2 are respectively provided with a switch valve (which can adopt an electromagnetic valve and is controlled by a control circuit), when the antiseptic is required to be sprayed, the switch valve on the air supply pipe of the antiseptic spraying part 2 is opened, and the motor rotates towards one direction. When air suction and dehumidification are needed, the switch valve on the main air suction pipe of the dehumidification part 4 is opened, and the motor rotates towards the other direction.
With pwm1, pwm4 open, pwm2, pwm3 close. I.e. pwm1, pwm4 and pwm2, pwm3 cannot be opened simultaneously.
The key control part comprises resistors R25, R26, R28 and R29, one end of R25, one end of R26, one end of R28 and one end of R29 are connected with 3.3VDD, the other end of R25 is connected with PA8 through a switch SW1, the other end of R26 is connected with PA9 through a switch SW2, the other end of R28 is connected with PA10 through a switch SW3, and the other end of R29 is connected with PA11 through a switch SW 4. SW1 is start button, SW2 is manual motor reversing button, SW3 is system reset button, and SW4 is stop button.
The LED indicating part comprises resistors R32, R33 and R35, one end of the R32 is connected with the LED1, and the other end of the R32 is grounded through a light-emitting diode D11; one end of R33 is connected with LED2, and the other end of R33 is connected with the ground through LED D12; one end of R35 is connected with LED3, and the other end of R35 is connected with the ground through LED D13. D11 is an operation indicator light, D12 is a fault alarm indicator light (the temperature can be set to be lower than 12 ℃ or higher than 28 ℃ for alarm, and the humidity is lower than 30% or higher than 78% for alarm. The temperature and humidity of the environment are detected, different rotating speeds of a motor are controlled under different temperature and humidity conditions (the motor can be controlled to be started at full speed when the temperature is higher than 28 ℃ or the humidity is higher than 78%, the temperature and the humidity on the surface of the painting and calligraphy are reduced, the rotating speed of the motor is reduced proportionally along with the reduction of the temperature and the humidity, because the temperature reaches about 28 ℃ and the relative humidity reaches about 78%, mold can be propagated in large quantity, an enzyme is secreted, the hydrolysis damage of cellulose is accelerated, organic acid is decomposed simultaneously, the acidity of paper is increased, a pigment secreted by the mold is very stable and is difficult to remove), and D13 is a motor reversing indicator lamp.
The temperature and humidity detection part comprises AHT20 chips A1 and A2, wherein a pin 2 of A1 is respectively connected with one end of a capacitor C6, one end of a resistor R23 and 3.3VDD, a pin 3 of A1 is respectively connected with the other ends of PB6 and R23, a pin 4 of A1 is respectively connected with the other ends of PB7 and resistor R24, a pin 5 of A1 is connected with GND, and the other end of C6 is connected with GND;
Two AHT20 chips are adopted, temperature and humidity are compositely collected (the ratio of the temperature and the humidity of the calligraphy and painting can be set to be 70%, the ratio of the temperature and the humidity of the environment is set to be 30%, and finally the temperature and the humidity are finally determined by adopting a weighted average mode), different temperature and humidity values are collected at different positions, and the temperature and humidity value can be accurately judged. As shown in fig. 4, one of the AHT20 chips may be disposed on the inner wall of the nozzle near the nozzle outlet, and the temperature and humidity of the nozzle (the nozzle is close to the calligraphy and painting, and the temperature and humidity of the nozzle are collected as the temperature and humidity of the calligraphy and painting) may be connected by fastening or welding. Another AHT20 chip can be arranged at the central part of the cover plate 1 to detect the temperature and humidity of the environment, and can be connected by fasteners or welding.
The invention adopts accurate electronic components to judge the temperature and humidity and automatically control the spraying of the anticorrosive material, so that the spraying amount is more accurate (AHT 20 is an MEMS temperature and humidity sensor with an I2C interface generated by Othon in China, the ADC Bit number is 20Bit, and the invention has the advantages of small volume, high precision, low cost and the like), and can play a good role in protection.
Data collected by the temperature and humidity sensors (the temperature is 15-18 ℃ and the humidity is 55-65% which are the best keeping states of calligraphy and painting; the temperature is increased, the motor speed is also reduced along with the reduction of the temperature, the motor speed increasing and reducing proportion is 10%, the higher the temperature is, the larger the antiseptic spraying amount is, the antiseptic can be set to be sprayed one day) is transmitted to PB6, PB7, PB10 and PB11 in an I-C communication mode. The single chip microcomputer controls the motor speed through the acquired data.
The CPU control part adopts an STM32F103C8T6 chip U5, pins 29-32 of U5 are correspondingly connected with PA 8-PA 11 respectively, pin 5 of U5 is connected with one end of a resistor R27, one end of a crystal oscillator X1 and one end of a capacitor C7 respectively, the other end of C7 is connected with GND and one end of a capacitor C8 respectively, and the other end of C8 is connected with the other end of X1, the other end of R27 and pin 6 of U5 respectively;
a pin 44 of the U5 is connected with GND, a pin 7 of the U5 is respectively connected with one end of a switch S1 (a manual reset key) and one end of a capacitor C10, and the other end of the C10 is respectively connected with the other ends of GND and S1;
pins 24, 36 and 48 of U5 are connected with 3.3VDD, pin 9 of U5 is respectively connected with one end of a resistor R34 and one end of a capacitor C11, the other end of R34 is connected with 3.3VDD, and the other end of C11 is grounded;
pins 8, 47, 35 and 23 of U5 are connected with GND;
pins 2, 3 and 4 of the U5 are correspondingly connected with an LED2, an LED1 and an LED2 respectively;
pins 25-28 of U5 are correspondingly connected with PWM 1-PWM 4 respectively, and pins 21 and 22 of U5 are correspondingly connected with PB10 and PB11 respectively; the pins 42 and 43 of the U5 are correspondingly connected with PB6 and PB7 respectively; the 20 pins of U5 are connected to GND.
The U5 firstly collects the temperature and humidity of the environment and the spray head, and determines the final temperature and humidity after weighted average. When the temperature is higher than 28 ℃, the spraying amount is reduced by 10% along with the reduction of the temperature by spraying 100% proportion. When the humidity is higher than 78%, air is sucked in a proportion of 100%, and along with the reduction of the humidity, the air suction quantity is reduced in a proportion of 10%. Finally, the painting and calligraphy are in accordance with the best temperature and humidity range for storage.
U5 collects the humiture of spout and environment to control the rotation direction and rotational speed of motor, that is to control the spraying and air suction of motor (spraying at a temperature higher than 28 ℃, air suction with a humidity higher than 78%, if both conditions are satisfied, firstly air suction to remove moisture, then spraying).
The invention also can control the spraying and air suction of the system manually (controlled by manual keys SW1, SW2, SW3 and SW 4). The states of spraying and air suction are displayed through indicator lamps (the LED1 is an operation indicator lamp, the LED2 is a spraying indicator lamp, and the LED3 is an air suction indicator lamp).
The power supply part comprises a connector JP1, wherein a pin 2 of JP1 is respectively connected with one end of a capacitor C21, the anode of the capacitor C18 and a pin 1 of an LM2576-5.0 chip U10 through a diode D14, and a pin 1 of JP1 is respectively connected with the other end of the capacitor C21, the cathode of the C18, a pin 3 of U10, a pin 5 of the U10, the anode of a voltage-stabilizing tube DZ1, one end of the capacitor C19, the cathode of the capacitor C13, a pin 1 of an AMS1117-3.3 chip U6, one end of a capacitor C20, the cathode of the capacitor C12 and the cathode of a forward diode D15;
the 2 feet of U10 are connected with DZ1 cathode and one end of inductor L2, the other end of L2 is connected with one end of capacitor C19, the 4 feet of U10, VCC, the positive pole of C13 and the 3 feet of U6, the 2 feet of U6 are connected with the other end of C20, the positive pole of C12, 3.3VDD, one end of resistor R37 and one end of resistor R36, the other end of R37 is connected with the positive pole of D15, the other end of R36 is connected with one end of capacitor C14, one end of capacitor C15 and one end of inductor L1, the other end of C14 is connected with the other end of C15, one end of capacitor C16 and one end of capacitor C17, and ground, and the other end of L1 is connected with the other ends of 3.3VDD, C16 and C17. The power supply portion 24V inputs the 3.3V output.
LM2576-5.0, LM2576 series are 3A current output step-down switch type integrated voltage regulator circuit that the national semiconductor company of America produces, it includes fixed frequency oscillator (52kHz) and reference voltage regulator (1.23V), and have perfect protective circuit, including current limit and hot shut-off circuit, etc., utilize only very few peripheral devices of this device can form the high-efficient voltage regulator circuit. AMS1117-3.3 and AMS1117-3.3 are forward low-voltage drop voltage regulators with the output voltage of 3.3V, and are suitable for high-efficiency linear voltage regulators to issue instruments for supplying power to power management batteries of notebook computers at interface terminals of small computers with active battery chargers of switching power supply voltage regulators.
The preservative comprises, by weight, 6-9 parts of sodium silicate, 10-15 parts of magnesium chloride, 5-6 parts of aluminum sulfate, 4-5 parts of aluminum nitrate, 25-30 parts of siloxane and 50-55 parts of water.
The preparation method of the preservative comprises the following steps: putting sodium silicate, magnesium chloride, aluminum sulfate, aluminum nitrate and water into a stirring kettle, stirring for 20-40 minutes, adding siloxane, and stirring for 15 minutes.
Preservative example 1: the components by weight portion comprise 9 portions of sodium silicate, 10 portions of magnesium chloride, 6 portions of aluminum sulfate, 4 portions of aluminum nitrate, 25 portions of siloxane and 50 portions of water. Putting sodium silicate, magnesium chloride, aluminum sulfate, aluminum nitrate and water into a stirring kettle, stirring for 20-30 minutes, adding siloxane, and stirring for 15 minutes.
Preservative example 2: the components by weight portion comprise 6 portions of sodium silicate, 15 portions of magnesium chloride, 6 portions of aluminum sulfate, 4 portions of aluminum nitrate, 30 portions of siloxane and 50 portions of water. Putting sodium silicate, magnesium chloride, aluminum sulfate, aluminum nitrate and water into a stirring kettle, stirring for 30-35 minutes, adding siloxane, and stirring for 10 minutes.
Preservative example 3: the components by weight portion comprise 9 portions of sodium silicate, 15 portions of magnesium chloride, 6 portions of aluminum sulfate, 5 portions of aluminum nitrate, 30 portions of siloxane and 55 portions of water. Putting sodium silicate, magnesium chloride, aluminum sulfate, aluminum nitrate and water into a stirring kettle, stirring for 40 minutes, adding siloxane, and stirring for 15 minutes.
The input port of the power supply part is connected with the output port of the solar power supply part.
The solar power supply part comprises a solar CPU control part, a timer circuit, a solar LED indicating part, a solar power supply part, a charge and discharge control part and a wiring terminal part, wherein a signal transmission port of the solar CPU control part is connected with a signal transmission port of the timer circuit, a control signal output port of the solar CPU control part is connected with a control signal input port of the solar LED indicating part, an electric energy output port of the solar power supply part is respectively connected with a power port of the solar CPU control part, a power port of the timer circuit, a power port of the solar LED indicating part and a power port of the charge and discharge control part, and the wiring terminal part is respectively connected with an input port of the charge and discharge control part and a power supply part of a driving circuit of the motor.
The solar CPU control part comprises an ATMEGA8L chip U11, pins 1-4 of U11 are correspondingly connected with pins 4-1 of a 5P dial switch S1, pins 6-10 of S1 are grounded, pins 1-5 of S1 are correspondingly connected with pins 2-6 of an exclusion RP, and pin 1 of the RP is connected with VDD;
a pin 6 of U11 is respectively connected with one end of a capacitor C4 and one end of a crystal oscillator CRY, the other end of C4 is respectively connected with the ground, one end of a capacitor C3 and one end of a capacitor C2, the other end of C3 is respectively connected with the other end of the CRY and a pin 7 of U11, and the other end of C2 is respectively connected with pins VCC and U11;
pins 10 of U11 are respectively connected with RESTB, one end of a resistor R5 and one end of a capacitor C6, the other end of R5 is connected with/RESTB, the other end of C6 is grounded, pins 11-16 of U11 are respectively correspondingly connected with pins P2.4, P2.5, P2.3, P2.2, P2.1 and P2.0, pins 17-20 of U11 are respectively correspondingly connected with pins 9, 3, 8 and 4 of a connector P2, pins 24 of U11 are respectively connected with one end of a resistor R3, one end of a resistor R4, one end of a capacitor C1 and a cathode of a diode D19, one end of R3 is connected with B +, and the anode of D19 is respectively connected with the other end of C1 and the other end of R4;
a pin 25 of U11 is respectively connected with one end of a resistor R1, one end of a resistor R2, the cathode of a diode D18 and one end of a capacitor C5, the other end of R2 is connected with CELL +, and the other end of R1 is respectively connected with the anodes of B-, D18 and the other end of C5;
the 32 feet of U11 are connected with the 5 feet of S1.
The U11 collects the voltage of photovoltaic module and battery (photovoltaic module collects through R2, R1 resistance partial pressure, and battery voltage collects through R3, R4 partial pressure), and U11 closes the circuit that the subassembly charges for the battery through judging in what state the voltage of battery is, if battery voltage is 28.8V. And if the voltage of the storage battery is lower than 22.2V, an output circuit of the system is closed, and the storage battery is protected from being overdischarged. The low pressure is 27.2V, the system is directly charged, and the system is floated and charged when the pressure is higher than 27.2 and lower than 28.8V. If the voltage of the storage battery is too low, the storage battery is not output (the output of the system is controlled by controlling the switch of the MOS transistor N1, N1 is opened, L-is connected with the ground, the output of the system is output, otherwise, L-is closed, the output of the system is closed), and the storage battery is protected. The U11 controls the photovoltaic module to charge and discharge the storage battery (the control charging is through the MOS tube T1 and the related auxiliary circuit; the control discharging is through the MOS tube N1 and the related auxiliary circuit), if the photovoltaic module is overcharged (the overcharge and the overdischarge are acquired through the partial pressure acquisition of the resistors R1, R2, R3 and R4, the voltage state of the system is judged by acquiring the voltage of the module and the storage battery in real time in the charging and discharging process), the storage battery is stopped being charged.
The timer circuit adopts a MAX706R chip U12, a pin 1 of U12 is respectively connected with one end of a switch SW-PB and an anode of a diode D1, the other end of the SW-PB is grounded, a cathode of the D1 is connected with a pin 8 of U12, a pin 2 of U12 is respectively connected with VCC and one end of a capacitor C7, the other end of the C7 is respectively connected with the ground, a pin 3 of U12 and a pin 4 of the U12, a pin 6 of the U12 is respectively connected with one end of a resistor R6 and a pin P2.3, the other end of the R6 is connected with VDD and a pin 7 of the U12 is connected with/RST, and pins 1 and 2 of a connector J1 (used for external reset or internal reset) are respectively connected with/RESTB and/RST.
The solar LED indicating part comprises VCC, the VCC is respectively connected with the anode of a light emitting diode D2 and the anode of a light emitting diode D2, the cathode of D2 is connected with P2.1 through a resistor R7, and the cathode of D3 is connected with P2.2 through a resistor R8. D2 and D3 are status indicators indicating whether the load is outputting or not and the charging/discharging status.
The solar power supply part adopts an LM2576-3.3 chip U13, a pin 1 of U13 is respectively connected with a cathode of a diode D4 and an anode of a capacitor CC1, an anode of D4 is connected with B +, a cathode of CC1 is connected with GND, pins 3, 5 and 6 of U13 are connected with GND, a pin 2 of U13 is respectively connected with a cathode of a voltage regulator tube D5 and one end of an inductor L1, an anode of D5 is connected with GND, the other end of L1 is respectively connected with an anode of a capacitor CC2, one end of a capacitor C8, VCC and a pin 4 of U13, and the other ends of the cathode of the CC2 and the C8 are connected with GND.
B + and B-are connected with a storage battery, CELL + and CELL-are connected with a solar panel, and L + and L-are connected with a load.
The charge-discharge control part comprises a CELL +, a CELL + is connected with the CELL through a diode D16, a B + is sequentially connected with a diode D16 and a resistor R16 through a diode D16 and respectively connected with an anode of a capacitor C16, a cathode of the diode D16, a collector of an NPN triode Q16 and one end of the resistor R16, a cathode of the C16 is respectively connected with an anode of the D16, one end of the CELL-, one end of the capacitor C16, one end of the resistor R16, a source of the IRF 1405T 16, an anode of the diode D16, a collector of the PNP triode Q16, an emitter of the NPN triode Q16 and one end of the resistor R16, the other end of the C16 is respectively connected with one end of a resistor R101 and a cathode of the diode D16, the other end of the R101 is respectively connected with an anode of the D16, the other end of the resistor R16 and a drain of the T16, a grid of the T16 is respectively connected with a cathode of the D16 and one end of the resistor R16, the emitter of the R16, the other end of the R16 is respectively connected with a base of the Q16 and the Q16, and the collector of the base of the Q16, and the Q16, One end of a resistor R18 is connected, the other end of the resistor R18 is connected with a collector of a PNP triode Q8 through a diode D11, a base of the Q8 is respectively connected with one end of a resistor R15 and one end of a resistor R16, the other end of the resistor R16 is connected with a collector of the NPN triode Q6, a base of a Q6 is connected with P2.3 through a resistor R17, an emitter of the Q6 is connected with GND1, and the other end of the R15 is respectively connected with an emitter of the Q8 and VCC; CELL + is connected with 1 and 3 pins of a D17 pipe of MBR2045CT, and 2 pins of D17 are connected with B + through a fuse F1;
one end of a resistor R101 is respectively connected with one end of a capacitor C9 and the cathode of a diode D10, the other end of a resistor C9 is respectively connected with one end of a discharging device RZ (the RZ can adopt 10 ohm and 10W resistors, the RZ discharges floating electricity for the storage battery, and the storage battery is better maintained), the anode of a voltage regulator tube Z2 and the collector of a PNP triode Q4, the other end of the R101 is respectively connected with the anode of a D10, the drain of a B + and IRF1405 tube T2, the source of the T2 is connected with the other end of the RZ, the grid of the T2 is respectively connected with the anode of a diode D7, the cathode of a Z2 and one end of a resistor R13, the other end of the R13 is respectively connected with the cathode of a D7, the emitter of an NPN triode Q3 and the emitter of a Q4, the base of Q4 is respectively connected with the base of a Q3, the collector of an NPN triode Q2 and one end of a resistor R12, the collector of the Q3 is connected with VCC, the other end of a resistor R12 and the emitter of a Q36 2 is connected with VCC, and the base of a resistor P2 through a resistor R2.72;
p2.5 is connected with the base of an NPN triode Q1 through a resistor R10 and a diode D8 in sequence, the emitter of the Q1 is respectively connected with the ground and the anode of the diode D9, the cathode of the D9 is respectively connected with the collector of the Q1, one end of the resistor R9, the cathode of a voltage regulator tube Z1 and the grid of a tube N1 of the B90, the source of the N1 is respectively connected with the anode of the Z1, the ground and the anode of the diode D6, and the cathode of the D6 is respectively connected with the drain of the N1 and the L < - >.
P2.5 outputs high level, the base electrode of a triode Q1 is provided with resistors R10 and D8, Q1 is turned on, the collector electrode of Q1 is conducted to the ground after Q1 is turned on, the base electrode of the MOS transistor is conducted to the ground, the MOS transistor is turned off, L-is disconnected with the system ground, and the whole system has no output. Otherwise, P2.5 outputs low level, making MOS tube conductive, L-is connected to system ground, then system output. Z1 is a 15V voltage regulator tube for protecting MOS tubes.
CELL + is connected with B + through a large current diode and a fuse; when P2.0 is high, Q6 is turned on, the base of Q8 is pulled low, Q8 is turned on, VCC passes through Q8, diode D11, and resistors R18 to Q5, so that Q5 is turned on, Q5 is turned on, the bases of Q7 and Q9 are pulled low through Q5, so that Q7 is turned on, Q9 is turned off, the base of T1 is pulled low, T1 is turned off, and at this time, charging is turned off. On the contrary, when P2.0 is low level, T1 is opened, B-and CELL-are conducted, and the system is charged. When P2.4 is high, Q2 is turned on, the bases of Q3 and Q4 are pulled low, Q3 is turned off, Q4 is turned on, and T2 is turned off. Otherwise, when P2.4 is low, T2 is turned on.
The wiring terminal part comprises a connector P1, 1-6 pins of P1 are correspondingly connected with CELL +, CELL-, B +, B-, L + and L-, 3 pins of P1 are connected with 1 pin of JP, 3 pins and 5 pins of P1 are connected with 1 pin of JP, and 6 pins of P1 are connected with 2 pins of JP (namely JP 1).
The spray records may be stored in a flash inside U5. The invention is suitable for the anticorrosion preservation of the wash painting and wash painting.
The temperature can be determined first, and the spraying amount can be determined according to the temperature value (the preservative spraying process can also be cooled). After 5 minutes, whether the humidity is too high or too low is judged according to the humidity, whether air suction is needed or not is controlled, and if air suction is not needed, spraying is continued. If suction is required, the system adopts suction control. The amount of preservative sprayed per time can be set to be not more than 10ml per square meter.
It should be understood that the detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can be modified or substituted equally to achieve the same technical effects; as long as the use requirements are met, the method is within the protection scope of the invention.
Claims (7)
1. The solar power supply control circuit comprises a direct current motor control part, a key control part, an LED indication part, a temperature and humidity detection part, a CPU control part and a power supply part, and is characterized in that a control signal input port of the direct current motor control part is connected with a control signal output port of the CPU control part, a control signal output port of the key control part is connected with a control signal input port of the CPU control part, a control signal input port of the LED indication part is connected with a control signal output port of the CPU control part, a detection signal output port of the temperature and humidity detection part is connected with a detection signal input port of the CPU control part, and an electric energy output port of the power supply part is respectively connected with a power supply port of the direct current motor control part, a power supply port of the key control part, a power supply port of the LED indication part, a power supply port of the temperature and humidity detection part, The power supply port of the CPU control part is connected, and the input port of the power supply part is connected with the output port of the solar power supply part.
2. The solar energy power supply control circuit of claim 1, wherein the dc motor control part comprises a resistor R21, one end of R21 is connected to M1 and the cathode of led D10, respectively, the other end of R21 is connected to M2 and one end of resistor R22 through led D9, and the other end of R22 is connected to the anode of D10;
the PWM1 is connected with the base electrode of an NPN diode Q4 through a resistor R10, the emitter electrode of Q4 is grounded, the collector electrode of Q4 is connected with the cathode electrode of the U2 input end of an OPTOISO1 chip, and the anode electrode of the U2 input end is connected with 3.3VDD through a resistor R3; an emitter of an output end of U2 is grounded through a resistor R9, a collector of an output end of U2 is respectively connected with one end of a resistor R4 and one end of a resistor R6, the other end of R4 is connected with 24V, the other end of R6 is respectively connected with an anode of a D1 tube of 1N4744 and a grid of a Q1 tube of IRF9405, a drain of Q1 is respectively connected with a cathode of D1, one end of a fuse F1, a cathode of a diode D3, one end of a capacitor C1, a cathode of a D2 electrode of the 1N4744, a drain of a Q2 tube of IRF9405, a cathode of a diode D4 and one end of a capacitor C2, and the other end of F1 is connected with 24V;
the source of Q1 is respectively connected with the anode of D3, the other end of C1, M1, one end of motor MG1, one end of capacitor C3, the drain of IRF540N tube Q5, the cathode of diode D5 and one end of capacitor C4; the grid of Q5 is connected with the cathode of tube D7 of 1N4744, one end of resistance R16 separately, D7 positive pole is connected with ground, one end of resistance R19 separately, another end of R19 is connected with another end of R16, OPTOISO1 chip U4 output terminal emitter separately, the collector of U4 output terminal is connected 24V through resistance R14, the anode of U4 input terminal is connected 3.3VDD through resistance R13, the cathode of U4 input terminal is connected with collector of NPN triode Q8, the emitter of Q8 is grounded, the base of Q8 is connected PWM3 through resistance R20;
the source of Q5 is connected with D5 positive pole, another end of C4, the source of IRF540N pipe Q6, diode D6 positive pole, ground, one end of electric capacity C5, 1N4744 pipe D8 positive pole link, D8 negative pole is connected with grid of Q6, one end of resistance R15 separately, another end of R15 is connected with one end of resistance R17, P521 chip U3 output terminal emitter separately, the U3 output terminal collector connects 24V through resistance R12, the U3 input terminal cathode connects the collector of triode Q7 of NPN, the emitter of Q7 is grounded, the base of Q7 connects PWM4 through resistance R18, the U3 input terminal anode connects +3V through resistance R11;
the grid of Q2 is respectively connected with the anode of D2, the other end of MG1, the other ends of M2 and C3, the drain of Q6, the cathode of D6, the other end of C5 and one end of a resistor R5, and the source of Q2 is respectively connected with the anode of D4 and the other end of a capacitor C2;
the other end of the R5 is respectively connected with one end of a resistor R2 and the collector of the output end of the U1 of the P521 chip, the emitter of the output end of the U1 is grounded through a resistor R7, the anode of the input end of the U1 is connected with +3V through a resistor R1, the cathode of the input end of the U1 is connected with the collector of an NPN triode Q3, the emitter of the Q3 is grounded, and the base of the Q3 is connected with the PWM2 through a resistor R8.
3. The solar power supply control circuit of claim 1, wherein the key control portion comprises resistors R25, R26, R28 and R29, one end of R25, one end of R26, one end of R28, one end of R29 connected to 3.3VDD, the other end of R25 connected to PA8 through a switch SW1, the other end of R26 connected to PA9 through a switch SW2, the other end of R28 connected to PA10 through a switch SW3, and the other end of R29 connected to PA11 through a switch SW 4.
4. The solar power supply control circuit as claimed in claim 1, wherein the LED indication part comprises resistors R32, R33 and R35, one end of R32 is connected to LED1, and the other end of R32 is connected to ground through LED D11; one end of R33 is connected with LED2, and the other end of R33 is connected with the ground through LED D12; one end of R35 is connected with LED3, and the other end of R35 is connected with the ground through LED D13.
5. The solar energy power supply control circuit of claim 1, wherein the temperature and humidity detection part comprises AHT20 chips a1 and a2, pin 2 of a1 is connected to one end of a capacitor C6, one end of a resistor R23 and 3.3VDD, pin 3 of a1 is connected to the other ends of PB6 and R23, pin 4 of a1 is connected to the other ends of PB7 and resistor R24, pin 5 of a1 is connected to GND, and the other end of C6 is connected to GND;
pin 2 of A2 is connected with one end of a capacitor C9, one end of a resistor R30, 3.3VDD and one end of a resistor R31 respectively, pin 3 of A2 is connected with the other ends of PB10 and R30 respectively, pin 4 of A2 is connected with the other ends of PB11 and R31 respectively, pin 5 of A2 is connected with GND, and the other end of C9 is connected with GND.
6. The solar power supply control circuit according to claim 1, wherein the CPU control part adopts an STM32F103C8T6 chip U5, pins 29-32 of U5 are respectively connected with PA 8-PA 11 correspondingly, pin 5 of U5 is respectively connected with one end of a resistor R27, one end of a crystal oscillator X1 and one end of a capacitor C7, the other end of C7 is respectively connected with GND and one end of a capacitor C8, and the other end of C8 is respectively connected with the other end of X1, the other end of R27 and pin 6 of U5;
a pin 44 of the U5 is connected with GND, a pin 7 of the U5 is respectively connected with one end of a switch S1 and one end of a capacitor C10, and the other end of the C10 is respectively connected with the other ends of GND and S1;
pins 24, 36 and 48 of U5 are connected with 3.3VDD, pin 9 of U5 is respectively connected with one end of a resistor R34 and one end of a capacitor C11, the other end of R34 is connected with 3.3VDD, and the other end of C11 is grounded;
pins 8, 47, 35 and 23 of U5 are connected with GND;
pins 2, 3 and 4 of the U5 are correspondingly connected with an LED2, an LED1 and an LED2 respectively;
pins 25-28 of U5 are correspondingly connected with PWM 1-PWM 4 respectively, and pins 21 and 22 of U5 are correspondingly connected with PB10 and PB11 respectively; the pins 42 and 43 of the U5 are correspondingly connected with PB6 and PB7 respectively; the 20 pins of U5 are connected to GND.
7. The solar power supply control circuit as claimed in claim 1, wherein the power supply part comprises a connector JP1, a pin 2 of JP1 is respectively connected with one end of a capacitor C21, the anode of the capacitor C18 and a pin 1 of an LM2576-5.0 chip U10 through a diode D14, and a pin 1 of JP1 is respectively connected with the other end of the capacitor C21, the cathode of the C18, a pin 3 of the U10, a pin 5 of the U10, the anode of a voltage regulator tube DZ1, one end of the capacitor C19, the cathode of the capacitor C13, a pin 1 of an AMS1117-3.3 chip U6, one end of the capacitor C20, the cathode of the capacitor C12 and the cathode of the diode D15;
the 2 feet of U10 are connected with DZ1 cathode and one end of inductor L2, the other end of L2 is connected with one end of capacitor C19, the 4 feet of U10, VCC, the positive pole of C13 and the 3 feet of U6, the 2 feet of U6 are connected with the other end of C20, the positive pole of C12, 3.3VDD, one end of resistor R37 and one end of resistor R36, the other end of R37 is connected with the positive pole of D15, the other end of R36 is connected with one end of capacitor C14, one end of capacitor C15 and one end of inductor L1, the other end of C14 is connected with the other end of C15, one end of capacitor C16 and one end of capacitor C17, and ground, and the other end of L1 is connected with the other ends of 3.3VDD, C16 and C17.
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