CN114336861A - Control circuit of solar power generation device - Google Patents
Control circuit of solar power generation device Download PDFInfo
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- CN114336861A CN114336861A CN202111661836.2A CN202111661836A CN114336861A CN 114336861 A CN114336861 A CN 114336861A CN 202111661836 A CN202111661836 A CN 202111661836A CN 114336861 A CN114336861 A CN 114336861A
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Abstract
The invention discloses a control circuit of a solar power generation device, which comprises: the solar energy panel, the charging control circuit, the power supply circuit, the buzzer alarm circuit, the MOS tube trigger circuit, the charging relay control circuit and the MCU circuit; the solar panel, the charging control circuit and the power circuit are electrically connected in sequence; the power supply circuit supplies power to the buzzer alarm circuit, the MOS tube trigger circuit, the charging relay control circuit and the MCU circuit; the MCU circuit is electrically connected with the charging control circuit, the buzzer alarm circuit, the MOS tube trigger circuit and the charging relay control circuit; the charging control circuit comprises a battery BT1, a relay contact JDQ1B, an MOS transistor Q5, a diode D2 and a high-voltage optocoupler U3; the charging relay control circuit comprises a relay coil JDQ1A and a triode Q4; and the relay contact JDQ1B, the MOS tube Q5 and the high-voltage optocoupler U3 are controlled to be in an off state by the MCU circuit before charging. The invention can ensure that the battery is reversely connected without causing failure.
Description
Technical Field
The present disclosure relates to control circuits, and particularly to a control circuit for a solar power generator.
Background
The solar power generation device can convert the energy of the sun into electric energy, is energy-saving and environment-friendly, and is widely applied.
However, in the process of technical development, the inventors of the present application found that the above-mentioned technology has at least the following technical problems:
if the control circuit of the existing solar power generation device has reverse connection of a battery, the control circuit is easy to break down, and after a key element in the charging control circuit breaks down, the system cannot self-check and alarm, so that various potential safety hazards exist during use and extra care is needed.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a control circuit of a solar power generation device.
The technical scheme for realizing the aim of the invention is a control circuit of a solar power generation device, which comprises the following components: the solar energy panel, the charging control circuit, the power supply circuit, the buzzer alarm circuit, the MOS tube trigger circuit, the charging relay control circuit and the MCU circuit; the solar panel, the charging control circuit and the power circuit are electrically connected in sequence; the power supply circuit supplies power to the buzzer alarm circuit, the MOS tube trigger circuit, the charging relay control circuit and the MCU circuit; the MCU circuit is electrically connected with the charging control circuit, the buzzer alarm circuit, the MOS tube trigger circuit and the charging relay control circuit; the charging control circuit comprises a battery BT1, a relay contact JDQ1B, an MOS transistor Q5, a diode D2 and a high-voltage optocoupler U3; the charging relay control circuit comprises a relay coil JDQ1A and a triode Q4; and the relay contact JDQ1B, the MOS tube Q5 and the high-voltage optocoupler U3 are controlled to be in an off state by the MCU circuit before charging.
The battery BT1 is connected between the cathode of the diode D2 and the drain electrode of the MOS transistor Q5; the relay contact JDQ1B is arranged between the anode output end of the solar panel and the anode of the diode D2; the grid electrode of the MOS tube Q5 is linked to the MOS tube trigger circuit, the source electrode of the MOS tube Q5 is connected to the MCU circuit, and meanwhile, the source electrode series resistor R11 is grounded; the high-voltage optical coupler U3 is arranged between the drain electrode of the MOS tube Q5 and the MUC circuit; the relay coil JDQ1A is arranged between the power circuit and the collector of the triode Q4; the base of the transistor Q4 is connected to the MUC circuit, and the emitter is grounded.
The MCU circuit comprises an MCU chip U6 and a voltage stabilizer U4; and the voltage stabilizer U4 is connected with the MCU chip U6.
The charging control circuit further comprises a resistor R3, a resistor R4, a resistor R5, an optocoupler U2, a high-voltage optocoupler U3 and a diode D3; the resistor R3 is connected between the cathode of the diode D2 and the optocoupler U2; the resistor R4 is connected between a power supply and the optocoupler U2 and is simultaneously connected with the MCU chip U6; the resistor R5 is connected between a power supply and a high-voltage optocoupler U3; the negative electrode of the diode D3 is connected with the drain electrode of the MOS tube Q5, and the positive electrode of the diode D3 is connected with the high-voltage optocoupler U3.
The charging control circuit further comprises a diode D1, a resistor R8 and a resistor R9; the anode of the diode D1 is connected with the cathode of the diode D2 and the anode of the battery BT1, the cathode of the diode D1 is connected with the resistor R8 and the resistor R9 in series and then is grounded, and meanwhile, the connection point of the resistor R8 and the resistor R9 is connected to the MCU chip U6.
The charging control circuit further comprises a resistor R2 and a resistor R7; the resistor R2 and the resistor R7 are connected in series between the anode of the diode D2 and the ground, and meanwhile, the connection point of the resistor R2 and the resistor R7 is connected to the MCU chip U6.
The charge control circuit further comprises a resistor R11; the resistor R11 is connected between the source of the MOS transistor Q5 and the ground, and the connection point of the resistor R11 and the source of the MOS transistor Q5 is connected to the MCU chip U6.
The model of the MCU chip U6 is HT66F 3185.
Further, the display device also comprises a display circuit; the display circuit is powered by the power supply circuit and is connected with the MCU circuit.
After the technical scheme is adopted, the invention has the positive effects that: (1) the relay contact and the MOS tube of the invention are not communicated when the charging is not started, and the high-voltage thermocouple is controlled to be in an off state by the MCU chip before the charging is not started, so that even if the battery is reversely connected at the beginning, the fault can not be caused even if the battery is reversely connected because the battery does not form a loop with any element.
(2) The charging control circuit is provided with a circuit capable of automatically detecting the wiring error of the battery, the wiring error can give an alarm to prompt, and the battery discharging phenomenon can not be caused.
(3) The circuit of the invention can realize the automatic power-off when the battery is fully charged, thereby protecting the battery from overcharge.
(4) The invention can ensure that the battery can not be discharged even if the solar panel is not opened or the power generation is not enough and the battery can not be charged.
(5) The invention adopts a double-switch circuit, when any one of the two circuits is damaged, the automatic detection and alarm can be realized, and meanwhile, the relay contact can be disconnected when the battery is not charged, and the MOS tube is closed, so that the battery has no discharging loop and has no self-discharging phenomenon when the battery is not charged.
(6) The solar charging system can automatically detect the output voltage of the solar panel and automatically connect for charging after reaching the proper voltage.
(7) When the relay is in fault, the arrangement of the diode can effectively protect the battery from discharging through the solar panel.
(8) When the MOS tube has a fault, the MCU automatically detects and gives an alarm for prompting.
(9) The invention is also provided with a diode fault automatic detection circuit which can give an alarm for prompt.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic block diagram of the circuit of the present invention.
Fig. 2 is a circuit diagram of the solar panel and the charging control circuit part of the invention.
Fig. 3 is a circuit diagram of the power circuit, the buzzer alarm circuit and the MOS transistor trigger circuit part of the present invention.
Fig. 4 is a circuit diagram of the MCU circuit and the charging relay control circuit part of the present invention.
Fig. 5 is a circuit diagram of a display circuit portion of the present invention.
The reference numbers in the drawings are as follows:
the solar energy electric plate comprises a solar energy electric plate 1, a charging control circuit 2, a power supply circuit 3, a buzzer alarm circuit 4, an MOS tube trigger circuit 5, a charging relay control circuit 6, an MCU circuit 7 and a display circuit 8.
Detailed Description
(example 1)
Referring to fig. 1, fig. 1 shows a schematic block diagram of a control circuit of a solar power generation device, including: the solar energy electric plate comprises a solar energy electric plate 1, a charging control circuit 2, a power supply circuit 3, a buzzer alarm circuit 4, an MOS tube trigger circuit 5, a charging relay control circuit 6, an MCU circuit 7 and a display circuit 8.
The solar panel 1, the charging control circuit 2 and the power circuit 3 are electrically connected in sequence; the power circuit 3 converts the output voltage of the solar panel 1 into stable 12V direct current, and provides power for the buzzer alarm circuit 4, the MOS tube trigger circuit 5, the charging relay control circuit 6, the MCU circuit 7 and the display circuit 8, so that each part of the circuits can work stably. The MCU circuit 7 is electrically connected with the charging control circuit 2, the buzzer alarm circuit 4, the MOS tube trigger circuit 5, the charging relay control circuit 6 and the display circuit 8 and is used for controlling all parts of circuits.
Referring to fig. 4, the MCU circuit 6 includes an MCU chip U6, a regulator U4 (model 78L05, which is a three-terminal integrated regulator), a capacitor C8 and a capacitor C9; and the voltage stabilizer U4 is connected with the MCU chip U6. The MCU chip U6 has a model HT66F3185, and has 24 pins in total. The 3 pins of the voltage stabilizer U4 are connected with +12V voltage, the 1 pin of the voltage stabilizer U4 outputs 5V (VCC) power supply and is connected with the 24 pins of the MCU chip U6, and the series capacitor C9 is grounded; pin 2 of the voltage regulator U4 is grounded, and pin 3 is grounded after being connected with a capacitor C8 in series. Pin 1 of the MCU chip U6 is grounded, and the remaining 22 pins are connected to other circuits. The charging relay control circuit 6 includes a resistor R20, a resistor R21, a transistor Q4, a diode D4, and a relay coil JDQ 1A. One end of the resistor R20 is connected with the 18 pin of the MCU chip U6, and the other end is connected with the base electrode of the triode Q4. The emitter of the transistor Q4 is grounded, and the collector is connected with the relay coil JDQ 1A. Resistor R21 is connected between the base of transistor Q4 and ground. The relay coil JDQ1A is connected between the +12V dc output from the power supply circuit 3 and the collector of the transistor Q4. Diode D4 is connected in parallel with relay coil JDQ 1A.
Referring to FIG. 5, the display circuit 8 includes a digital display tube, resistors R12-R19 and light emitting diodes D10-D13. The resistor R12 is connected between the pin 3 of the digital display tube and the pin 19 of the MCU chip U6; the resistor R13 is connected between the 5 pins of the digital display tube and the 17 pins of the MCU chip U6; the resistor R14 is connected between the 10 pins of the digital display tube and the 16 pins of the MCU chip U6; the resistor R15 is connected between pin 1 of the digital display tube and pin 15 of the MCU chip U6; the resistor R16 is connected between the pin 2 of the digital display tube and the pin 14 of the MCU chip U6; the resistor R17 is connected between the 4 pins of the digital display tube and the 13 pins of the MCU chip U6; the resistor R18 is connected between the pin 7 of the digital display tube and the pin 12 of the MCU chip U6; the resistor R19 is connected between the 11 pins of the digital display tube and the 11 pins of the MCU chip U6; the 12 feet of the digital display tube are connected with the 6 feet of the MCU chip U6, the 9 feet are connected with the 7 feet of the MCU chip U6, and the 8 feet are connected with the 8 feet of the MCU chip U6. The anodes of the light emitting diodes D10, D11, D12 and D13 are respectively connected with the pins 2, 4, 7 and 11 of the digital display tube, and the cathodes of the light emitting diodes D10, D11, D12 and D13 are respectively connected with the pin 9 of the MCU chip U6.
Referring to fig. 3, the power supply circuit 3 is connected to the solar panel 1 through a diode D5, and the anode of the diode D5 is also connected to a relay contact JDQ1B in the charge control circuit 2; the power circuit 3 comprises a DC-DC isolation converter chip U5 (model is PN 6380); the +12V direct current output by the power circuit 3 is supplied to a buzzer alarm circuit 4, an MOS tube trigger circuit 5 and a charging relay control circuit 6. The buzzer alarm circuit 4 comprises a +12V direct current output connected to the power supply circuit 3 through a resistor R25, a buzzer SP1, a triode Q2, a resistor R27 and a resistor R36. The base electrode of the triode Q2 is connected to the intersection point of the resistor R27 and the resistor R36, the emitter electrode is grounded, the collector electrode is connected to the buzzer SP1 through the resistor R26, and the resistor R27 is connected with the 2 pin of the MCU chip U6. The MOS transistor trigger circuit 5 comprises a transistor Q1, a transistor Q6, a transistor Q3, a resistor R28, a resistor R29 and a resistor R37. The base electrode of the triode Q1 is connected with one end of the resistor R29, the emitter electrode of the triode Q6 is connected with the emitter electrode of the triode Q6, and the collector electrode of the triode Q1 is connected with the +12V direct current output end of the power supply circuit 3; the base electrode of the triode Q6 is connected with one end of the resistor R29, and the collector electrode is grounded; the base electrode of the triode Q3 is connected with the pin 3 of the MCU chip U6 through the resistor R37, the emitter electrode is grounded, and the base electrode of the collector electrode is connected with one end of the resistor R29. The other end of the resistor R29 is connected to the +12V direct current output end of the power supply circuit 3; one end of the resistor R28 is connected to the intersection of the transistor Q1 and the transistor Q6, and the other end is connected to the gate of the MOS transistor Q5 of the charge control circuit 2.
Referring to fig. 2, pin 1 of the solar panel 1 is connected to the charge control circuit 2, and pin 2 is grounded. The key circuit of the embodiment is a charging control circuit 2, and specifically, the charging control circuit 2 includes a battery BT1, a relay contact JDQ1B, a MOS transistor Q5, a diode D1, a diode D2, a diode D3, an optical coupler U2, a high-voltage optical coupler U3, and resistors R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, and R11. The relay contact JDQ1B, the MOS tube Q5 and the high-voltage optocoupler U3 are controlled to be in an off state by the MCU circuit 7 before charging.
Specifically, the battery BT1 is connected between the cathode of the diode D2 and the drain of the MOS transistor Q5; the relay contact JDQ1B is arranged between the anode output end of the solar panel 1 and the anode of the diode D2; the anode of the diode D2 is connected in series with the resistor R2 and the resistor R7 and then grounded, and meanwhile, the intersection point of the resistor R2 and the resistor R7 is connected to the pin 22 of the MCU chip U6; the cathode of the diode D2 is connected with the anode of the diode D1, the cathode of the diode D1 is connected with the resistor R8 and the resistor R9 in series and then grounded, and meanwhile, the intersection point of the resistor R8 and the resistor R9 is connected to the pin 21 of the MCU chip U6. The grid electrode of the MOS tube Q5 is connected with a resistor R28 of the MOS tube trigger circuit, and the grid electrode is grounded through a resistor R10; the source is connected to pin 20 of MCU chip U6, while the source is connected to ground through resistor R11. Diode D3 sets up between the drain electrode of high-voltage opto-coupler U3 and MOS pipe Q5, and 5 feet of MCU chip U6 are connected to high-voltage opto-coupler U3, and high-voltage opto-coupler U3 is connected with opto-coupler U2 and power VCC simultaneously. The resistor R3 is connected between the cathode of the diode D2 and the optocoupler U2; the resistor R4 is connected between a power supply and the optocoupler U2 and is simultaneously connected with 4 pins of the MCU chip U6; the resistor R5 is connected between a power supply VCC and a high-voltage optocoupler U3. The resistor R1 and the resistor R6 are connected in series, one end of the resistor R1 is connected with the pin 1 of the solar panel 1, one end of the resistor R6 is grounded, and meanwhile, the intersection point of the resistor R1 and the resistor R6 is connected with the pin 23 of the MCU chip U6.
The operating principle of the control circuit of the solar power generation device of the embodiment is as follows:
the relay contact JDQ1B and the MOS transistor Q5 are both not turned on when charging is not started, and the high-voltage optical coupler U3 is controlled to be off by the 5-pin battery _ JC _ CNT of the MCU chip U6 before charging is not started, so that even if the battery is reversely connected at the start, since it does not form a loop with any element, a malfunction is not caused even if the battery is reversely connected.
A circuit capable of automatically detecting the wiring error of a battery is arranged in a charging control circuit and consists of R3, R4, R5, a light couple U2, a high-voltage light couple U3 and a diode D3, when a solar panel 1 is opened, the output voltage of the solar panel 1 is converted into stable 12V voltage through a power supply circuit 3 and is transmitted to an MCU circuit 7, when the MCU circuit 7 is electrified and starts to work, BATTER _ JC _ CNT is firstly output to be low level, a BATTER _ XH signal is detected, when the BATTER _ XH signal is low level, the positive and negative electrodes of a battery 1 are correctly wired, and when the BATTER _ BT is high level, the battery BT1 is reversely connected or the battery BT1 is not connected, a buzzer SP1 XH alarm prompt is given, and an error code is output through a display circuit 8. Meanwhile, when the solar panel 1 has no output, the MCU circuit 7 does not operate, the high voltage optocoupler U3 is in an off state, and the discharge loop formed by the resistor R3, the optocoupler U2, and the diode D3 is disconnected by the high voltage optocoupler U3, so that the circuit for automatically detecting a battery connection error does not cause a battery discharge phenomenon. The diode D1 in the charging control circuit 2 takes the voltage of a battery BT1, the voltage is divided by a resistor R8 and a resistor R9 to obtain BATTER _ V, the signal is sent to a pin 21 of the MCU chip U6, and the voltage is measured and judged by the MCU chip U6; when the voltage of the battery BT1 reaches a full-battery state, the MCU chip U6 outputs a RELAY _ CNT signal (pin 18) to control the charging RELAY coil JDQ1A through the charging RELAY control circuit 6, so that the RELAY contact JDQ1B in the charging control circuit 2 is disconnected from the diode D2 (as in the non-charging state in fig. 2); meanwhile, a pin 3 of the MCU chip U6 outputs a CMOS _ CNT signal of 0 level, and the MOS tube Q5 is controlled to be disconnected from the battery BT1 through the MOS tube trigger circuit 5, so that the aims of full automatic power-off and overcharge protection of the battery are fulfilled.
When the solar panel 1 is folded, the solar panel 1 has no output, and the power circuit 3 has no stable 12V voltage output, the MCU circuit 7 does not work, the relay contact JDQ1B is in an off state, and the MOS tube Q5 is in an off state, so that the battery BT1 cannot be discharged; when the output voltage of the solar panel 1 is insufficient, the MCU circuit 7 detects the voltage of the battery BT1 in real time through the diode D1, the resistor R8 and the resistor R9, and detects the output voltage of the solar panel 1 in real time through the voltage SUN _ VA (connected to pin 23 of the MCU chip U6) obtained through the resistor R1 and the resistor R6, so the MCU chip U6 can determine whether the output voltage of the solar panel can charge the battery BT1 in real time, and when the charging voltage of the battery BT1 cannot be reached, the MCU chip U6 controls the relay contact JDQ1B to be always off, and the MOS transistor Q5 is always off. Therefore, the phenomenon that the solar panel is folded or the solar panel is not enough to generate power and the battery cannot be charged by mistake in connection charging is avoided, and therefore the battery cannot be discharged.
When the relay contact JDQ1B is not connected to D2 correctly, the resistors R2 and R7 cannot take voltage due to the action of the diode D2, and the voltage SUN _ VB is always 0V, so that the abnormality of the relay contact JDQ1B can be immediately detected, the buzzer SP1 gives an alarm and outputs an error prompt code on the display circuit 8. When the relay contact JDQ1B cannot be disconnected from the relay coil D2 (which means that although the relay coil JDQ1A is deenergized, the relay contact JDQ1B cannot be disconnected, indicating that the disconnection is not broken), the SUN _ VB taken by the resistor R2 and the resistor R7 always has a stable voltage, and the buzzer SP1 outputs an alarm, and outputs an error prompt code on the display circuit 8. Therefore, a double-switch circuit of a relay and a MOS tube Q5 is adopted to charge and control the battery BT1, when one switch is damaged, the automatic detection can be realized, and the buzzer gives an alarm for prompting.
When the MOS transistor Q5 is damaged and in a short-circuit state, as long as the relay contact JDQ1B is connected to the diode D2, and when the MOS transistor Q5 has no trigger signal, there is charging current immediately, the 22 pin of the MCU chip U6 can determine that the MOS transistor Q5 is damaged and in a short-circuit state by detecting the bat _ CURT signal on the resistor R11, whereas when the MOS transistor Q5 is in an open-circuit state, the relay contact JDQ1B is connected to the diode D2, the 3 pin of the MCU chip U6 gives the trigger signal CMOS _ CNT of the MOS transistor Q5 through the MOS trigger circuit 5, but when the bat _ CURT signal on the resistor R11 is always 0, that is, the MOS transistor Q5 is in a fault and in an open-circuit state, the buzzer SP1 outputs an alarm, and outputs an error prompt code on the display circuit 8.
The MCU chip U6 is controlled by a relay JDQ1 and an MOS tube Q5 through double switches, a relay contact JDQ1B is disconnected when the battery is not charged, and the MOS tube Q5 is closed, so that the battery BT1 has no discharge loop, and therefore, the battery BT1 has no self-discharge phenomenon when the battery is not charged. The voltage of the battery BT1 is obtained through the diode D1, the BATTER _ V is obtained after the voltage of the resistors R8 and R9 is divided, and the MCU chip U6 detects the voltage in real time, so that the voltage of the battery BT1 can be automatically detected during charging, and when the battery is not charged, the diode D1, the resistor R8, the resistor R9 and the battery do not form a loop due to the fact that the MOS transistor Q5 is in a closed state, and therefore the self-discharging phenomenon is avoided when the battery is not charged.
The MCU chip U6 judges whether the voltage of the solar panel 1 is suitable for charging the battery by detecting the voltage SUN _ VA of the voltage R1 and R6 in real time and detecting the battery voltage by detecting the BATTER _ V obtained by the diode D1, the resistor R8 and the resistor R9 in real time, and controls the relay contact JDQ1B to be connected to the diode D2 when charging is possible and simultaneously controls the MOS tube Q5 to be conducted for charging. Therefore, the output voltage of the solar panel is automatically detected, and the proper voltage is automatically connected and charged.
When the relay is in an emergency but the connection D2 cannot be disconnected and the MOS tube is in a fault and is in a short circuit, the diode D2 can effectively protect the battery BT1 from discharging through the solar panel 1.
When the diode D2 is in fault and short circuit, the relay contact JDQ1B is not connected to the diode D2, and after the MOS transistor Q5 is turned on, the MCU chip U6 can determine whether the diode D2 is short-circuited or not by measuring the voltage SUN _ VB obtained from the resistor R2 and the resistor R7, where SUN _ VB has voltage during short circuit and no voltage during non-short circuit. Therefore, automatic detection of the fault of the diode D2 is realized, and the buzzer gives an alarm for prompting.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A control circuit of a solar power generation apparatus, characterized by comprising: the solar energy charging device comprises a solar energy electric plate (1), a charging control circuit (2), a power supply circuit (3), a buzzer alarm circuit (4), an MOS tube trigger circuit (5), a charging relay control circuit (6) and an MCU circuit (7); the solar panel (1), the charging control circuit (2) and the power circuit (3) are electrically connected in sequence; the power supply circuit (3) supplies power to the buzzer alarm circuit (4), the MOS tube trigger circuit (5), the charging relay control circuit (6) and the MCU circuit (7); the MCU circuit (7) is electrically connected with the charging control circuit (2), the buzzer alarm circuit (4), the MOS tube trigger circuit (5) and the charging relay control circuit (6); the charging control circuit (2) comprises a battery BT1, a relay contact JDQ1B, an MOS transistor Q5, a diode D2 and a high-voltage optocoupler U3; the charging relay control circuit (6) comprises a relay coil JDQ1A and a triode Q4; the relay contact JDQ1B, the MOS tube Q5 and the high-voltage optocoupler U3 are controlled to be in an off state by the MCU circuit (7) before charging.
2. The control circuit of a solar power generation apparatus according to claim 1, characterized in that: the battery BT1 is connected between the cathode of the diode D2 and the drain electrode of the MOS transistor Q5; the relay contact JDQ1B is arranged between the anode output end of the solar panel and the anode of the diode D2; the grid electrode of the MOS tube Q5 is linked to the MOS tube trigger circuit (5), the source electrode of the MOS tube Q5 is connected to the MCU circuit (7), and the source electrode series resistor R11 is grounded; the high-voltage optical coupler U3 is arranged between the drain electrode of the MOS transistor Q5 and the MUC circuit (7); the relay coil JDQ1A is arranged between the power circuit and the collector of the triode Q4; the base of the triode Q4 is connected to the MUC circuit (6), and the emitter is grounded.
3. The control circuit of a solar power generation apparatus according to claim 2, characterized in that: the MCU circuit (7) comprises an MCU chip U6 and a voltage stabilizer U4; and the voltage stabilizer U4 is connected with the MCU chip U6.
4. A control circuit of a solar power generation apparatus according to claim 3, characterized in that: the charging control circuit (2) further comprises a resistor R3, a resistor R4, a resistor R5, an optocoupler U2, a high-voltage optocoupler U3 and a diode D3; the resistor R3 is connected between the cathode of the diode D2 and the optocoupler U2; the resistor R4 is connected between a power supply and the optocoupler U2 and is simultaneously connected with the MCU chip U6; the resistor R5 is connected between a power supply and a high-voltage optocoupler U3; the negative electrode of the diode D3 is connected with the drain electrode of the MOS tube Q5, and the positive electrode of the diode D3 is connected with the high-voltage optocoupler U3.
5. The control circuit of a solar power generation apparatus according to claim 4, characterized in that: the charge control circuit (2) further comprises a diode D1, a resistor R8 and a resistor R9; the anode of the diode D1 is connected with the cathode of the diode D2 and the anode of the battery BT1, the cathode of the diode D1 is connected with the resistor R8 and the resistor R9 in series and then is grounded, and meanwhile, the connection point of the resistor R8 and the resistor R9 is connected to the MCU chip U6.
6. The control circuit of a solar power generation apparatus according to claim 5, characterized in that: the charging control circuit (2) further comprises a resistor R2 and a resistor R7; the resistor R2 and the resistor R7 are connected in series between the anode of the diode D2 and the ground, and meanwhile, the connection point of the resistor R2 and the resistor R7 is connected to the MCU chip U6.
7. The control circuit of a solar power generation apparatus according to claim 6, characterized in that: the charge control circuit (2) further comprises a resistor R11; the resistor R11 is connected between the source of the MOS transistor Q5 and the ground, and the connection point of the resistor R11 and the source of the MOS transistor Q5 is connected to the MCU chip U6.
8. The control circuit of a solar power plant as claimed in one of claims 1 to 7, characterized in that: the model of the MCU chip U6 is HT66F 3185.
9. The control circuit of a solar power generation apparatus according to claim 8, characterized in that: further comprising a display circuit (8); the display circuit (8) is powered by the power circuit (3) and is connected with the MCU circuit (6).
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| CN202111661836.2A CN114336861A (en) | 2021-12-31 | 2021-12-31 | Control circuit of solar power generation device |
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| CN202111661836.2A CN114336861A (en) | 2021-12-31 | 2021-12-31 | Control circuit of solar power generation device |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060145655A1 (en) * | 2005-01-03 | 2006-07-06 | Dhc Specialty Corp. | Car battery jumper cable apparatus |
| CN102013709A (en) * | 2010-09-14 | 2011-04-13 | 漳州国绿太阳能科技有限公司 | Control device capable of improving solar energy charging efficiency and control method thereof |
| CN201975841U (en) * | 2011-04-02 | 2011-09-14 | 刘举柱 | Multifunctional intelligent charger |
| CN202084968U (en) * | 2011-06-20 | 2011-12-21 | 上海恒动汽车电池有限公司 | Precharge circuit of power battery |
| CN203398769U (en) * | 2013-06-17 | 2014-01-15 | 许继电气股份有限公司 | Battery reverse-connection resistant protective circuit of direct current charging pile controller |
| CN203690977U (en) * | 2013-12-15 | 2014-07-02 | 重庆辉腾光电有限公司 | Solar charging control system |
| CN104578279A (en) * | 2014-12-26 | 2015-04-29 | 东莞钜威新能源有限公司 | Battery charging power system |
| CN207069623U (en) * | 2017-06-21 | 2018-03-02 | 电子科技大学中山学院 | MPPT controller circuit |
| CN208581079U (en) * | 2018-07-27 | 2019-03-05 | 东泰高科装备科技（北京）有限公司 | A kind of anti-reverse battery protection circuit of solar-electricity source converter |
| WO2019109811A1 (en) * | 2017-12-05 | 2019-06-13 | 广州金升阳科技有限公司 | Battery short-circuit protection circuit for charging power supply |
-
2021
- 2021-12-31 CN CN202111661836.2A patent/CN114336861A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060145655A1 (en) * | 2005-01-03 | 2006-07-06 | Dhc Specialty Corp. | Car battery jumper cable apparatus |
| CN102013709A (en) * | 2010-09-14 | 2011-04-13 | 漳州国绿太阳能科技有限公司 | Control device capable of improving solar energy charging efficiency and control method thereof |
| CN201975841U (en) * | 2011-04-02 | 2011-09-14 | 刘举柱 | Multifunctional intelligent charger |
| CN202084968U (en) * | 2011-06-20 | 2011-12-21 | 上海恒动汽车电池有限公司 | Precharge circuit of power battery |
| CN203398769U (en) * | 2013-06-17 | 2014-01-15 | 许继电气股份有限公司 | Battery reverse-connection resistant protective circuit of direct current charging pile controller |
| CN203690977U (en) * | 2013-12-15 | 2014-07-02 | 重庆辉腾光电有限公司 | Solar charging control system |
| CN104578279A (en) * | 2014-12-26 | 2015-04-29 | 东莞钜威新能源有限公司 | Battery charging power system |
| CN207069623U (en) * | 2017-06-21 | 2018-03-02 | 电子科技大学中山学院 | MPPT controller circuit |
| WO2019109811A1 (en) * | 2017-12-05 | 2019-06-13 | 广州金升阳科技有限公司 | Battery short-circuit protection circuit for charging power supply |
| CN208581079U (en) * | 2018-07-27 | 2019-03-05 | 东泰高科装备科技（北京）有限公司 | A kind of anti-reverse battery protection circuit of solar-electricity source converter |
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