CN209104889U - Solar charging discharging controller - Google Patents

Solar charging discharging controller Download PDF

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Publication number
CN209104889U
CN209104889U CN201822050112.4U CN201822050112U CN209104889U CN 209104889 U CN209104889 U CN 209104889U CN 201822050112 U CN201822050112 U CN 201822050112U CN 209104889 U CN209104889 U CN 209104889U
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China
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resistance
feet
capacitor
mcu
nmos tube
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CN201822050112.4U
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Chinese (zh)
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周芷伊
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Abstract

Solar charging discharging controller belongs to charge and discharge control technical field more particularly to a kind of solar charging discharging controller.The utility model provides a kind of hardware foundation of solar charging discharging controller that control effect is good.The utility model includes MCU, solar components voltage collection collecting part, battery voltage collecting part, power module, voltage reference module, charge control part and load discharge control part, the detection signal input port of its structural feature MCU detection signal output port with solar components voltage collection collecting part respectively, the detection signal output port of battery voltage collecting part is connected, the power input of power module is connected to the battery respectively, the power output port of power module is connected with the power port of MCU, the voltage reference signal output port of voltage reference module is connected with the voltage reference signal input port of MCU.

Description

Solar charging discharging controller
Technical field
The utility model belongs to charge and discharge control technical field more particularly to a kind of solar charging discharging controller.
Background technique
Solar energy refers to the infrared radiant energy of the sun, and main performance is exactly the sunray often said；It is typically used as sending out in the modern times Electricity provides the energy for water heater.With the development of the society, solar energy has obtained more being widely applied, for solar charging The hardware foundation of the control of electric discharge has higher requirement.
Summary of the invention
The utility model provides a kind of the hard of the solar charging discharging controller that control effect is good aiming at the above problem Part basis.
To achieve the above object, the utility model adopts the following technical solution, and the utility model includes MCU, solar energy group Part voltage collection collecting part, battery voltage collecting part, power module, voltage reference module, charge control part and load Control of discharge part, the detection signal input port of structural feature MCU respectively with solar components voltage collection collecting part Detect signal output port, the detection signal output port of battery voltage collecting part is connected, the electric energy input of power module Port is connected to the battery respectively, and the power output port of power module is connected with the power port of MCU, voltage reference module Voltage reference signal output port is connected with the voltage reference signal input port of MCU, the control signal output mouth difference of MCU It is connected with the control signal input mouth of the control signal input mouth of charge control part and load discharge control part.
As a preferred embodiment, the utility model further includes display portion, the display signal input port of display portion It is connected with the display signal output port of MCU, the power port of display portion is connected with the power output port of power module.
As a preferred embodiment, the utility model further includes solar components and load lightning protection part.
As a preferred embodiment, the utility model further includes indicator light part, the control signal input of indicator light part Port is connected with the control signal output mouth of MCU.
As another preferred embodiment, MCU described in the utility model is distinguished using 1 foot of ATMEGA8L single-chip microcontroller U3, U3 It is connected with the one end resistance R8, the one end switch K1, another end termination+5V resistance R8, the switch K1 other end is grounded, and 18 feet of U3 pass through Capacitor C1 ground connection, 29 feet of U3 are connected with 2 feet of MAX809-5V chip U4, and 3 feet of U4 connect the end+5V, and 1 foot of U4 connects the end GND1, 32 feet of U3 are connected with the one end resistance R7, the one end switch K2 respectively, another end termination+5V resistance R7, switch K2 other end ground connection.
As another preferred embodiment, solar components voltage collection collecting part described in the utility model include resistance R9 and Resistance R10, the one end resistance R9 are connected with the end solar cell panel voltages negative pole end SUN-, the resistance R9 other end respectively with resistance The one end R10, the one end capacitor C3,27 feet of U3 are connected, the resistance R10 other end and another end termination GND1 capacitor C3.
As another preferred embodiment, battery voltage collecting part described in the utility model includes resistance R11 and resistance R12, resistance R11 mono- terminate the battery positive voltage end end VCC, the resistance R11 other end respectively with the one end resistance R12, the one end capacitor C4, 28 feet of U3 are connected, the resistance R12 other end and capacitor C4 other end ground connection.
As another preferred embodiment, display portion described in the utility model uses HCF4511B chip U2 and LG3911AH 1,2,6,7 feet of chip D1, U2 are correspondingly connected with 24,25,26,23 feet of U3 respectively, and 3,4,16 feet of U2 connect the end+5V, U2's 5,8 feet be grounded, 9~15 feet of U2 respectively with eight resistance row RP1 1~7 foot be connected, eight resistance arrange RP1 10~16 feet respectively with D1 6,4,5,7,9,10,1,2 feet it is corresponding be connected, 3,8 feet of D1 connect the end GND1.
As another preferred embodiment, power module described in the utility model is distinguished using 1 foot of LM2576 chip U5, U5 Be connected with diode D2 cathode, capacitor C8 anode, capacitor C8 cathode respectively with the one end capacitor C5, the one end capacitor C6, capacitor C7 mono- End, 3 feet of U5,5 feet of U5,6 feet of U5, the anode of diode D3, the cathode of capacitor C9, the one end capacitor C10 are connected；
Diode D2 anode is connected with the capacitor C7 other end, the one end inductance L2 respectively, the inductance L2 other end respectively with inductance The one end L1, the capacitor C6 other end are connected, and the inductance L1 other end is connected with the end VCC, the capacitor C5 other end respectively；
2 feet of U5 are connected with the one end inductance L3, the diode D3 other end respectively, the inductance L3 other end respectively with capacitor C9 Anode, the capacitor C10 other end, the end+5V, 4 feet of U5 are connected.
As another preferred embodiment, voltage reference module described in the utility model uses 1 foot of TL431 chip U6, U6 It is connected respectively with 20 feet of U3, the one end resistance R37, the one end resistance R16, another end termination VCC resistance R37, the resistance R16 other end It is connected respectively with 8 feet of U6, the one end resistance R15, the resistance R15 other end is connected with 2 feet, the ground wire of U6 respectively.
As another preferred embodiment, lightning protection part described in the utility model includes varistor Z3, varistor Z4 and varistor Z5, varistor Z3 connect the solar cell panel voltages end negative pole end SUN- and solar cell panel voltages just Between the extreme end VCC, varistor Z4 is connect between the first load end positive terminal VCC and the first load negative pole end LOAD1-, pressure Quick resistance Z5 connects between the second load end positive terminal VCC and the second load negative pole end LOAD2-.
As another preferred embodiment, load discharge control part described in the utility model includes NMOS tube Q5, NMOS tube The drain electrode of Q6 and LP521-2 chip U1, NMOS tube Q5 are connected with the drain electrode at the end GND1, NMOS tube Q6 respectively, the source of NMOS tube Q5 Pole is connected with the first load negative pole end LOAD1-, and the source electrode of NMOS tube Q6 is connected with the second load negative pole end LOAD2-；
The grid of NMOS tube Q5 is connected with the one end resistance R1, the one end resistance R2 respectively, resistance R1 other end ground connection, resistance R2 The other end is connected with 7 feet of U1, and 8 feet of U1 are connected with 6 feet of the end VCC, U1 respectively, 5 feet of U1 by resistance R4 respectively with electricity Hinder the one end R3, the grid of NMOS tube Q6 is connected, resistance R3 other end ground connection；
1 foot of U1 connects 17 feet of U3 by resistance R5, and 2 feet of U1 are connected with 4 feet, the ground wire of U1 respectively, and 3 feet of U1 pass through 16 feet that resistance R6 meets U3 are connected.
Secondly, charging control section described in the utility model point passes through electricity including 15 feet of NMOS tube Q1 and NMOS tube Q3, U3 Resistance R28 connects 4 base stage of NPN triode Q1 and is connected, and 4 emitter of NPN triode Q1 connects the end GND1,4 collector of NPN triode Q1 It is connected respectively with the one end resistance R29,2 base stage of NPN triode Q1, PNP triode Q13 base stage, 2 collector of NPN triode Q1 is logical It crosses resistance R36 and connects the end VCC, 2 emitter of NPN triode Q1 is connected with PNP triode Q13 emitter, the one end resistance R25 respectively, PNP triode Q13 collector is connected with voltage-stabiliser tube Z2 anode, the end GND1, NMOS tube Q3 source electrode respectively, the resistance R25 other end point It is not connected with voltage-stabiliser tube Z2 cathode, NMOS tube Q3 grid, NMOS tube Q3 drain electrode is connected with NMOS tube Q1 drain electrode, NMOS tube Q1 source electrode Respectively with the end solar cell panel voltages negative pole end SUN-, diode D6 anode, diode Z6 anode, capacitor E1 cathode, two poles Pipe Z7 anode, PNP triode Q8 collector, NPN triode Q9 emitter, the one end resistance R20 are connected；
Diode D6 cathode is connected with the positive end VCC, diode D7 anode respectively, diode D7 cathode respectively with resistance The one end R14, the one end resistance R13 be connected, the resistance R14 other end respectively with the resistance R13 other end, diode Z6 cathode, capacitor E1 Anode, NPN triode Q7 collector, the one end resistance R19 be connected, the resistance R19 other end respectively with NPN triode Q7 base stage, PNP Triode Q8 base stage is connected, and NPN triode Q7 emitter is connected with PNP triode Q8 emitter, the one end resistance R18 respectively, electricity The resistance R18 other end is connected with NMOS tube Q1 grid, diode Z7 cathode respectively；
NPN triode Q9 base stage is connected with the one end resistance R21, the resistance R20 other end respectively, the resistance R21 other end and two Pole pipe D10 cathode is connected, and diode D10 anode connects PNP triode Q9 collector, PNP triode Q9 emitter respectively with anode The end VCC, the one end resistance R24 are connected, and the resistance R24 other end is connected with PNP triode Q9 base stage, the one end resistance R23 respectively, resistance The R23 other end is connected with 1 collector of NPN triode Q1, and 1 base stage of NPN triode Q1 meets 10 feet of U3, NPN tri- by resistance R22 Pole pipe Q11 emitter connects the end GND1.
In addition, indicator light part described in the utility model include green light LED D11, red light-emitting diode D12, Yellow light emitting diode D13 and green light LED D14, green light LED D11 anode are connected with 14 feet of U3, green light Light emitting diode D11 cathode respectively with red light-emitting diode D12 cathode, Yellow light emitting diode D13 cathode, green luminescence two Pole pipe D14 cathode, ground wire are connected, and red light-emitting diode D12 anode connects 13 feet of U3, and Yellow light emitting diode D13 anode connects 12 feet of U3, green light LED D14 anode connect 11 feet of U3.
The utility model beneficial effect.
The utility model MCU detects the sun by solar components voltage collection collecting part, battery voltage collecting part Energy component and battery voltage value, and then charge control part and load discharge control part are controlled, realize solar charging/discharging Automatic control, precise control is good.
The utility model voltage reference module provides external voltage reference for MCU, MCU by external voltage reference with
It is compared with collection voltages, judges the voltage condition of solar components and battery, guarantee the accuracy of control.
The utility model provides a kind of hardware foundation of solar charging discharging controller.
Detailed description of the invention
The utility model is described further with reference to the accompanying drawings and detailed description.Scope of protection of the utility model It is not only limited to the statement of the following contents.
Fig. 1 is the utility model load discharge control partial circuit schematic diagram.
Fig. 2 is the utility model display portion circuit diagram.
Fig. 3 is the utility model charge control partial circuit schematic diagram.
Fig. 4 is the utility model MCU and voltage reference module circuit diagram.
Fig. 5 is the utility model solar components voltage collection collecting part, battery voltage collecting part, lightning protection portion Divide and indicator light partial circuit schematic diagram.
Fig. 6 is the utility model power module circuit schematic.
Specific embodiment
As shown, the utility model includes MCU, solar components voltage collection collecting part, battery voltage acquisition portion Point, power module, voltage reference module, charge control part and load discharge control part, the detection signal input port of MCU Respectively with solar components voltage collection collecting part detection signal output port, battery voltage collecting part detection signal Output port be connected, the power input of power module is connected to the battery respectively, the power output port of power module with The power port of MCU is connected, the voltage reference signal output port of voltage reference module and the voltage reference signal input terminal of MCU Mouthful be connected, the control signal output mouth of MCU respectively with the control signal input mouth of charge control part and load discharge control The control signal input mouth of part processed is connected.
It further include display portion, the display signal input port of display portion is connected with the display signal output port of MCU, The power port of display portion is connected with the power output port of power module.
It further include solar components and load lightning protection part.
It further include indicator light part, the control signal input mouth of indicator light part and the control signal output mouth of MCU It is connected.
The MCU is connected with the one end resistance R8, the one end switch K1 respectively using 1 foot of ATMEGA8L single-chip microcontroller U3, U3, electricity Another end termination+5V R8, switch K1 other end ground connection are hindered, 18 feet of U3 are grounded by capacitor C1,29 feet and MAX809-5V of U3 2 feet of chip U4 are connected, and 3 feet of U4 connect the end+5V, and 1 foot of U4 connects the end GND1,32 feet of U3 respectively with the one end resistance R7, switch The one end K2 is connected, another end termination+5V resistance R7, switch K2 other end ground connection.
The solar components voltage collection collecting part includes resistance R9 and resistance R10, the one end resistance R9 and solar-electricity The pond plate voltage end negative pole end SUN- be connected, the resistance R9 other end respectively with the one end resistance R10, the one end capacitor C3, U3 27 foot phases Even, the resistance R10 other end and another end termination GND1 capacitor C3.
The battery voltage collecting part includes resistance R11 and resistance R12, and resistance R11 mono- terminates battery positive voltage end The end VCC, the resistance R11 other end are connected with 28 feet of the one end resistance R12, the one end capacitor C4, U3 respectively, the resistance R12 other end and Capacitor C4 other end ground connection.
The display portion using HCF4511B chip U2 and LG3911AH chip D1, U2 1,2,6,7 feet respectively with U3 24,25,26,23 feet be correspondingly connected with, 3,4,16 feet of U2 connect the end+5V, 5, the 8 feet ground connection of U2, and 9~15 feet of U2 are respectively with eight 1~7 foot of resistance row RP1 is connected, and 10~16 feet of eight resistance row RP1 are corresponding with 6,4,5,7,9,10,1,2 feet of D1 respectively to be connected, 3,8 feet of D1 connect the end GND1.
Display portion can be used for showing electric discharge duration, charging and discharging state etc..
The power module using LM2576 chip U5, U5 1 foot respectively with diode D2 cathode, capacitor C8 anode phase Even, capacitor C8 cathode respectively with the one end capacitor C5, the one end capacitor C6, the one end capacitor C7,3 feet of U5,5 feet of U5, U5 6 feet, The anode of diode D3, the cathode of capacitor C9, capacitor one end C10 are connected；
Diode D2 anode is connected with the capacitor C7 other end, the one end inductance L2 respectively, the inductance L2 other end respectively with inductance The one end L1, the capacitor C6 other end are connected, and the inductance L1 other end is connected with the end VCC, the capacitor C5 other end respectively；
2 feet of U5 are connected with the one end inductance L3, the diode D3 other end respectively, the inductance L3 other end respectively with capacitor C9 Anode, the capacitor C10 other end, the end+5V, 4 feet of U5 are connected.
The voltage reference module using TL431 chip U6, U6 1 foot respectively with 20 feet of U3, the one end resistance R37, electricity Hinder the one end R16 be connected, another end termination VCC resistance R37, the resistance R16 other end respectively with 8 feet of U6, the one end resistance R15 phase Even, the resistance R15 other end is connected with 2 feet, the ground wire of U6 respectively.
The lightning protection part includes varistor Z3, varistor Z4 and varistor Z5, and varistor Z3 connects Between the solar cell panel voltages end negative pole end SUN- and the end solar cell panel voltages positive terminal VCC, varistor Z4 is connect Between the first load end positive terminal VCC and the first load negative pole end LOAD1-, varistor Z5, which connects, loads positive terminal VCC second Between end and the second load negative pole end LOAD2-.
When there is thunder and lightning, lightning protection part carries out lightning protection to device.
The load discharge control part includes NMOS tube Q5, NMOS tube Q6 and LP521-2 chip U1, the leakage of NMOS tube Q5 Pole is connected with the drain electrode at the end GND1, NMOS tube Q6 respectively, and the source electrode of NMOS tube Q5 is connected with the first load negative pole end LOAD1-, The source electrode of NMOS tube Q6 is connected with the second load negative pole end LOAD2-；
The grid of NMOS tube Q5 is connected with the one end resistance R1, the one end resistance R2 respectively, resistance R1 other end ground connection, resistance R2 The other end is connected with 7 feet of U1, and 8 feet of U1 are connected with 6 feet of the end VCC, U1 respectively, 5 feet of U1 by resistance R4 respectively with electricity Hinder the one end R3, the grid of NMOS tube Q6 is connected, resistance R3 other end ground connection；
1 foot of U1 connects 17 feet of U3 by resistance R5, and 2 feet of U1 are connected with 4 feet, the ground wire of U1 respectively, and 3 feet of U1 pass through 16 feet that resistance R6 meets U3 are connected.
The charging control section point connects tri- pole NPN by resistance R28 including 15 feet of NMOS tube Q1 and NMOS tube Q3, U3 Pipe Q14 base stage is connected, and 4 emitter of NPN triode Q1 connects the end GND1,4 collector of NPN triode Q1 respectively with resistance R29 mono- End, 2 base stage of NPN triode Q1, PNP triode Q13 base stage are connected, and 2 collector of NPN triode Q1 meets VCC by resistance R36 End, 2 emitter of NPN triode Q1 are connected with PNP triode Q13 emitter, the one end resistance R25 respectively, PNP triode Q13 collection Electrode is connected with voltage-stabiliser tube Z2 anode, the end GND1, NMOS tube Q3 source electrode respectively, and the resistance R25 other end is negative with voltage-stabiliser tube Z2 respectively Pole, NMOS tube Q3 grid be connected, NMOS tube Q3 drain electrode with NMOS tube Q1 drain is connected, NMOS tube Q1 source electrode respectively with solar-electricity The pond end plate voltage negative pole end SUN-, diode D6 anode, diode Z6 anode, capacitor E1 cathode, diode Z7 anode, PNP tri- Pole pipe Q8 collector, NPN triode Q9 emitter, the one end resistance R20 are connected；
Diode D6 cathode is connected with the positive end VCC, diode D7 anode respectively, diode D7 cathode respectively with resistance The one end R14, the one end resistance R13 be connected, the resistance R14 other end respectively with the resistance R13 other end, diode Z6 cathode, capacitor E1 Anode, NPN triode Q7 collector, the one end resistance R19 be connected, the resistance R19 other end respectively with NPN triode Q7 base stage, PNP Triode Q8 base stage is connected, and NPN triode Q7 emitter is connected with PNP triode Q8 emitter, the one end resistance R18 respectively, electricity The resistance R18 other end is connected with NMOS tube Q1 grid, diode Z7 cathode respectively；
NPN triode Q9 base stage is connected with the one end resistance R21, the resistance R20 other end respectively, the resistance R21 other end and two Pole pipe D10 cathode is connected, and diode D10 anode connects PNP triode Q9 collector, PNP triode Q9 emitter respectively with anode The end VCC, the one end resistance R24 are connected, and the resistance R24 other end is connected with PNP triode Q9 base stage, the one end resistance R23 respectively, resistance The R23 other end is connected with 1 collector of NPN triode Q1, and 1 base stage of NPN triode Q1 meets 10 feet of U3, NPN tri- by resistance R22 Pole pipe Q11 emitter connects the end GND1.
Charge control part controls the switch of metal-oxide-semiconductor by the way of triode push-and-pull, metal-oxide-semiconductor is enable quickly to open, It closes, reduces the loss of metal-oxide-semiconductor, protect metal-oxide-semiconductor well.Meanwhile the control pin of single-chip microcontroller is kept apart using triode Contacting between battery component pin keeps system more stable.
MOSI pin controls the open-minded of metal-oxide-semiconductor Q3, and sun_pwm controls the open-minded of metal-oxide-semiconductor Q1.When two metal-oxide-semiconductors are all open-minded, Solar components charge a battery.
The indicator light part includes green light LED D11, red light-emitting diode D12, Yellow light emitting diode D13 and green light LED D14, green light LED D11 anode are connected with 14 feet of U3, green light LED D11 Cathode respectively with red light-emitting diode D12 cathode, Yellow light emitting diode D13 cathode, green light LED D14 cathode, Ground wire is connected, and red light-emitting diode D12 anode connects 13 feet of U3, and Yellow light emitting diode D13 anode connects 12 feet of U3, green light Light emitting diode D14 anode connects 11 feet of U3.
Indicator light can indicate the state of charge and discharge.
As shown in Figure 1, battery positive voltage, load anode, solar panel anode can connect together, it is VCC.
In Fig. 1, F1 and F2 are fuse, are all the ground of battery on GND1 and GND current potential.
The utility model may determine that night and daytime by acquiring solar components voltage, and detection voltage is small to arrive certain value When, it is exactly night, otherwise is daytime.When reaching daylight voltage, and accumulator capacity is discontented, at this time can be to charge the battery When, then the charging valve of charge control part is opened, to charge the battery.When reaching battery full capacity, charge closing pipe, no Again to charge the battery.When night, MCU makes battery pass through switching tube load supplying by load discharge control part, Load can be street lamp.
It is understood that being merely to illustrate the utility model above with respect to the specific descriptions of the utility model and not being It is limited to technical solution described in the utility model embodiment, those skilled in the art should understand that, it still can be with It modifies to the utility model or equivalent replacement, to reach identical technical effect；Needs are used as long as meeting, all in this reality Within novel protection scope.

Claims (6)

1. solar charging discharging controller, including MCU, solar components voltage collection collecting part, battery voltage collecting part, Power module, voltage reference module, charge control part and load discharge control part, it is characterised in that the detection signal of MCU Input port respectively with detection signal output port, the battery voltage collecting part of solar components voltage collection collecting parts It detects signal output port to be connected, the power input of power module is connected to the battery respectively, and the electric energy of power module is defeated Exit port is connected with the power port of MCU, and the voltage reference signal output port of voltage reference module and the voltage reference of MCU are believed Number input port is connected, the control signal output mouth of MCU respectively with the control signal input mouth of charge control part and bear The control signal input mouth of the placing collecting of electrical controls is connected.
2. solar charging discharging controller according to claim 1, it is characterised in that the MCU uses ATMEGA8L single-chip microcontroller 1 foot of U3, U3 are connected with the one end resistance R8, the one end switch K1 respectively, another end termination+5V resistance R8, another termination of switch K1 18 feet on ground, U3 are grounded by capacitor C1, and 29 feet of U3 are connected with 2 feet of MAX809-5V chip U4, and 3 feet of U4 connect the end+5V, 1 foot of U4 connects the end GND1, and 32 feet of U3 are connected with the one end resistance R7, the one end switch K2 respectively, another end termination+5V resistance R7, Switch K2 other end ground connection.
3. solar charging discharging controller according to claim 2, it is characterised in that the solar components voltage collection acquisition Part includes resistance R9 and resistance R10, and the one end resistance R9 is connected with the end solar cell panel voltages negative pole end SUN-, and resistance R9 is another One end is connected with 27 feet of the one end resistance R10, the one end capacitor C3, U3 respectively, the resistance R10 other end and another termination of capacitor C3 The end GND1.
4. solar charging discharging controller according to claim 2, it is characterised in that the battery voltage collecting part packet Include resistance R11 and resistance R12, resistance R11 mono- terminates the battery positive voltage end end VCC, the resistance R11 other end respectively with resistance R12 One end, the one end capacitor C4,28 feet of U3 are connected, the resistance R12 other end and capacitor C4 other end ground connection.
5. solar charging discharging controller according to claim 1, it is characterised in that the power module uses LM2576 core 1 foot of piece U5, U5 are connected with diode D2 cathode, capacitor C8 anode respectively, capacitor C8 cathode respectively with the one end capacitor C5, capacitor The one end C6, the one end capacitor C7,3 feet of U5,5 feet of U5,6 feet of U5, the anode of diode D3, the cathode of capacitor C9, capacitor C10 One end is connected；
Diode D2 anode is connected with the capacitor C7 other end, the one end inductance L2 respectively, the inductance L2 other end respectively with inductance L1 mono- End, the capacitor C6 other end are connected, and the inductance L1 other end is connected with the end VCC, the capacitor C5 other end respectively；
2 feet of U5 are connected with the one end inductance L3, the diode D3 other end respectively, the inductance L3 other end respectively with capacitor C9 anode, The capacitor C10 other end, the end+5V, 4 feet of U5 are connected.
6. solar charging discharging controller according to claim 2, it is characterised in that the load discharge control part includes The drain electrode phase with the end GND1, NMOS tube Q6 respectively that drains of NMOS tube Q5, NMOS tube Q6 and LP521-2 chip U1, NMOS tube Q5 Even, the source electrode of NMOS tube Q5 is connected with the first load negative pole end LOAD1-, the source electrode of NMOS tube Q6 and the second load negative pole end LOAD2- is connected；
The grid of NMOS tube Q5 is connected with the one end resistance R1, the one end resistance R2 respectively, resistance R1 other end ground connection, and resistance R2 is another End is connected with 7 feet of U1, and 8 feet of U1 are connected with 6 feet of the end VCC, U1 respectively, 5 feet of U1 pass through resistance R4 respectively with resistance R3 One end, the grid of NMOS tube Q6 are connected, resistance R3 other end ground connection；
1 foot of U1 connects 17 feet of U3 by resistance R5, and 2 feet of U1 are connected with 4 feet, the ground wire of U1 respectively, and 3 feet of U1 pass through resistance 16 feet that R6 meets U3 are connected.
CN201822050112.4U 2018-12-07 2018-12-07 Solar charging discharging controller Expired - Fee Related CN209104889U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822050112.4U CN209104889U (en) 2018-12-07 2018-12-07 Solar charging discharging controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822050112.4U CN209104889U (en) 2018-12-07 2018-12-07 Solar charging discharging controller

Publications (1)

Publication Number Publication Date
CN209104889U true CN209104889U (en) 2019-07-12

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Application Number Title Priority Date Filing Date
CN201822050112.4U Expired - Fee Related CN209104889U (en) 2018-12-07 2018-12-07 Solar charging discharging controller

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Granted publication date: 20190712

Termination date: 20211207