CN110138057A - Solar charger control circuit and solar charger - Google Patents
Solar charger control circuit and solar charger Download PDFInfo
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- CN110138057A CN110138057A CN201910570113.8A CN201910570113A CN110138057A CN 110138057 A CN110138057 A CN 110138057A CN 201910570113 A CN201910570113 A CN 201910570113A CN 110138057 A CN110138057 A CN 110138057A
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- 238000001514 detection method Methods 0.000 claims abstract description 48
- 239000003990 capacitor Substances 0.000 claims description 107
- 239000003381 stabilizer Substances 0.000 claims description 29
- 230000005611 electricity Effects 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
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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
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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
Abstract
The invention discloses a kind of solar charger control circuit and solar chargers, including Mos drive module, output module, current detection module, single-chip microcontroller, output voltage detection module, pressure limiting module, reseting module, solar panels voltage detection module and power module；The Mos drive module is electrically connected with output module, pressure limiting module and reseting module respectively；The output module is electrically connected with current detection module, output voltage detection module and with pressure limiting module respectively；The current detection module, output voltage detection module, pressure limiting module, reseting module, solar panels voltage detection module and power module respectively with monolithic mechatronics.The present invention can be improved the utilization rate of solar energy.
Description
Technical field
The invention belongs to charger technologies fields, and in particular to a kind of solar charger control circuit and solar recharging
Device.
Background technique
Existing charger is generally intermediate conversion device, i.e., alternating current is converted to direct current and is stored in the equipment such as mobile phone
Battery in, with advantage easy to use, easy to operate.But this charger is intended only as the equipment such as power supply and mobile phone
Between transmission medium, people it is outgoing or it is indoor there is no power supply in the case where, people can not be in time the equipment charges such as mobile phone.
High to the dependency degree of power supply, being detached from charger after power supply will be unable to using affecting the normal use of the equipment such as mobile phone.
In view of the above problems, people have invented mobile charger, and it is in the case where there is power supply that it is fully charged, outside people
Portion or that in the case where power supply, the electric energy stored in mobile charger can not be supplied to the equipment charges such as mobile phone.But moving charging
The electric energy stored in electric appliance is also limited, and is still unable to satisfy the demand of long-term field operation or excursion personnel.
The needs of in order to meet long-term field operation or excursion personnel, people have invented solar charger, but existing
There is solar charger to have the following problems:
(1) not high to the utilization rate of solar energy, i.e., it many times cannot achieve maximum power output；
(2) if load suddenly change, can drag down suddenly the voltage of solar panels, cause single-chip microcontroller to be unable to operate normally, at this time
Even if solar panels normally produce electricity, solar charger can not also export energy.
Therefore, it is necessary to develop a kind of new solar charger control circuit and solar charger.
Summary of the invention
The object of the present invention is to provide a kind of solar charger control circuit and solar chargers, can improve solar energy
Utilization rate.
A kind of solar charger control circuit of the present invention, including the inspection of Mos drive module, output module, electric current
Survey module, single-chip microcontroller, output voltage detection module, pressure limiting module, reseting module, solar panels voltage detection module and power supply mould
Block；
The Mos drive module is electrically connected with output module, pressure limiting module and reseting module respectively；
The output module is electrically connected with current detection module, output voltage detection module and pressure limiting module respectively；
The current detection module, output voltage detection module, pressure limiting module, reseting module, solar panels voltage detection module
With power module respectively with monolithic mechatronics.
Further, the Mos pipe drive module includes diode D5, diode D6, triode Q1, triode Q2, three poles
Pipe Q3, triode Q6, triode Q8, capacitor C2, resistance R3, resistance R13 and resistance 20, the connection relationship of above each component is such as
Under:
The base stage of triode Q1 is successively connect through resistance R3, diode D5 with the pole c of triode Q1；
The pole c of triode Q1 is also connect with the pole c of triode Q3；
The pole c of triode Q1 is also connect through resistance R20 with the pole e of triode Q3；
The pole e of triode Q3 is connect with the tie point of resistance R20 with output module；
The pole e of triode Q1 is connect with the pole b of triode Q3；
The tie point of the pole e of the pole e and triode Q6 of triode Q3；
Connection of the tie point of the pole e of the pole e and triode Q6 of triode Q3 also after capacitor C2 with resistance R3 and diode D5
Point connection；
The pole b of triode Q6 is connect with the pole e of triode Q8；
The pole b of triode Q8 is connect with the pole c of triode Q2；
The tie point of the pole c of the pole b and triode Q2 of triode Q8 is connect with the pole b of triode Q1；
The pole e of the pole c of triode Q6, the pole c of triode Q8 and triode Q2 is grounded respectively；
Resistance R13 is in parallel with diode D6；
The anode of diode D6 is connect with the tie point of resistance R13 with the pole b of triode Q2；
The cathode of diode D6 is connect with the tie point of resistance R13 with reseting module；
Further, the reseting module includes comparator U7A, resistance R2, resistance R6, resistance R7, resistance R8, resistance R11, resistance
R17 and door U1A and door U1C, NAND gate U6A, NAND gate U6B, NAND gate U6C, triode Q4 and capacitor C7, above each device
Connection relationship it is as follows:
It is grounded after resistance R2 and resistance R11 series connection；
The positive input of comparator U7A is connect with the tie point of resistance R2 and resistance R11；
The reverse input end of comparator U7A is electrically connected with pressure limiting module；
The output end of comparator U7A is connect with two input terminals of door U1C；
The output end of comparator U7A also meets 3.3V through resistance R8；
The output end of door U1C is connect with two input terminals of NAND gate U6A；
The output end of NOT gate U6A is grounded after resistance R17, resistance R6；
The tie point of resistance R17 and resistance R6 are connect with the pole b of triode Q4；
The pole e of triode Q4 is grounded；
The pole c of triode Q4 meets 3.3V through resistance R7；
The pole c of triode Q4 is grounded after capacitor C7 with the tie point of resistance R7；
The output end of door U1C is also connect with an input terminal of NAND gate U6B；
Another input terminal of NOT gate U6B is connect with the output end of NAND gate U6C；
The output end of NAND gate U6B is connect with an input terminal of NAND gate U6C；
Another input terminal of NAND gate U6C is connect with single-chip microcontroller；
The output end of NAND gate U6C is connect with the input terminal with door U1A；
It is connect with another input terminal of door U1A with pressure limiting module；
It is connect with the output end of door U1A with Mos pipe drive module.
Further, the pressure limiting module include with door U1B, NAND gate U6D, comparator U7B, triode Q7, capacitor C15,
Resistance R4, resistance R9, resistance R36 and resistance R37, the connection relationship of above each component are as follows:
It is connect with an input terminal of door U1B with single-chip microcontroller；
It is grounded after resistance R4 with the tie point of door U1B and single-chip microcontroller；
It is connect with another input terminal of door U1B with the output end of NAND gate U6D；
Two input terminals of NAND gate U6D are followed by 3.3V through resistance R9；
Two input terminals of NAND gate U6D are also connect with the output end of comparator U7B；
The reverse input end of comparator U7B is connect with the pole e of triode Q7；
The pole c of triode Q7 is grounded；
The pole b of triode Q7 meets 3.3V；
The pole b of triode Q7 is also grounded after capacitor C15；
The positive input of comparator U7B meets 5.3V through resistance R36；
The positive input of comparator U7B and the tie point of resistance R36 are also grounded after resistance R37.
Further, the output voltage detection module includes amplifier U3A, resistance R19, resistance R27, resistance R35, capacitor C8
It is as follows with the connection relationship of voltage-stabiliser tube D12, above each component:
It is grounded after resistance R26 and resistance R34 series connection；
Resistance R26 and the tie point of resistance R34 are connect with the non-inverting input terminal of amplifier U3A；
The non-inverting input terminal of amplifier U3A is also grounded after resistance R27；
The reverse input end of amplifier U3A is connect with the output end of amplifier U3A；
The output end of amplifier U3A is grounded after resistance R19, voltage-stabiliser tube D12；
The tie point of resistance R19 and voltage-stabiliser tube D12 are connect with single-chip microcontroller；
The other end ground connection of termination a 3.3V, capacitor C8 of capacitor C8.
Further, the solar panels voltage detection module include amplifier U3B, resistance R18, resistance R26, resistance R34 and
Voltage-stabiliser tube D11, the connection relationship of above each component are as follows:
The non-inverting input terminal of amplifier U3B is grounded after resistance R26；
The reverse input end of amplifier U3B is connect with the output end of amplifier U3B；
The output end of amplifier U3B is grounded after resistance R18, voltage-stabiliser tube D11；
The tie point of resistance R18 and voltage-stabiliser tube D11 are connect with single-chip microcontroller.
Further, the current detection module includes amplifier U2A, resistance R12, resistance R15, resistance R21, resistance R22, electricity
It is as follows to hinder R28, capacitor C3, capacitor C4, capacitor C10 and voltage-stabiliser tube D10, the connection relationship of above each component:
The non-inverting input terminal of amplifier U2A is connect through resistance R28 with output module；
The non-inverting input terminal of amplifier U2A is also grounded after capacitor C3；
The inverting input terminal of amplifier U2A is grounded after resistance R12；
The inverting input terminal of amplifier U2A is also connect through resistance R21 with the output end of amplifier U2A；
Capacitor C10 is in parallel with resistance R21；
The output end of amplifier U2A is successively grounded through resistance R15 and voltage-stabiliser tube D10；
Tie point between resistance R15 and voltage-stabiliser tube D10 is connect with single-chip microcontroller.
Further, the output module includes switching power source chip Q5, inductance L1, diode D2, diode D4, capacitor
C9, capacitor C16, capacitor C17 and capacitor C18, the connection relationship of above each component are as follows:
1 to 4 foot of the model IRF9310PBF of switching power source chip Q5, switching power source chip Q5 are connect with Mos drive module；
5 to 8 feet of switching power source chip Q5 are grounded after diode D2,5 to 8 feet of switching power source chip Q5 also successively through inductance L2,
It is grounded after capacitor C9；
A termination 5.3V of diode D4, the other end of diode D4 are connect with current detection module；
Inductance L1 is connect with the tie point of capacitor C9 with output voltage detection module；
Capacitor C16, capacitor C17, capacitor C18, diode D4 are in parallel.
Further, the power module includes power supply chip U4, diode D3, capacitor C5, capacitor C11, capacitor C12, electricity
Hold C13, capacitor C14, inductance L2, resistance R30, resistance R31, resistance R32 and voltage-stabiliser tube D9, the connection relationship of above each component
It is as follows:
5 feet of the model MC33063ADR of power supply chip U4, power supply chip U4 are grounded after resistance R31, and the 6 of power supply chip U4
Foot is connect with 7 feet of power supply chip U4,8 feet and 1 foot respectively after resistance R30；6 feet of power supply chip U4 are also after capacitor C12
Ground connection, 6 feet of power supply chip U4 are also grounded after capacitor C11, and 6 feet of power supply chip U4 are also connect with one end of diode D3,
4 feet of power supply chip U4 are grounded, and are grounded after the 3 foot meridian capacitor C13 of power supply chip U4,2 feet of power supply chip U4 are successively through inductance
It is connect after L2, resistance R32 with 3.3V, the other end ground connection of termination a 3.3V, capacitor C5 of capacitor C5, a termination of capacitor C14
The other end of 3.3V, capacitor C14 are grounded.
Solar charger of the present invention, including solar panel and solar charger as described in the present invention
Control circuit, Mos drive module, reseting module, solar panels voltage detection module in solar charger control circuit and
Power module is electrically connected with solar panel respectively.
Beneficial effects of the present invention:
(1) producing electricl energy solar panels can substantially completely export, to improve the utilization rate of solar energy；
(2) when in abnormal cases, such as: load discovery mutation, or when being blocked without sunlight or sunlight, pass through reset
Control circuit Rapid reset can be made entire circuit quickly resume work, and give maximum power point for change rapidly by module；
(3) Mos tube drive circuit is made of triode, diode, capacitor and resistance, drives core relative to using special Mos
For piece, cost is greatly reduced.
Detailed description of the invention
Fig. 1 is the principle of the present invention block diagram；
Fig. 2 is circuit diagram of the invention；
In figure: 1, solar panel, 2, Mos drive module, 3, output module, 4, current detection module, 5, single-chip microcontroller, 6, defeated
Voltage detection module out, 7, pressure limiting module, 8, reseting module, 9, solar panels voltage detection module, 10, power module.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
Solar charger control circuit as shown in Figure 1, including Mos drive module 2, output module 3, current detecting mould
Block 4, single-chip microcontroller 5, output voltage detection module 6, pressure limiting module 7, reseting module 8, solar panels voltage detection module 9 and power supply
Module 10；The connection relationship of above each module is as follows:
The Mos drive module 2 is electrically connected with output module 3, pressure limiting module 7 and reseting module 8 respectively；The output module 3
It is electrically connected respectively with current detection module 4, output voltage detection module 6 and pressure limiting module 7；The current detection module 4, output
Voltage detection module 6, pressure limiting module 7, reseting module 8, solar panels voltage detection module 9 and power module 10 respectively with monolithic
Machine 5 is electrically connected.
As shown in Fig. 2, in the present embodiment, the Mos pipe drive module include diode D5, diode D6, triode Q1,
Triode Q2, triode Q3, triode Q6, triode Q8, capacitor C2, resistance R3, resistance R13 and resistance 20, above each first device
The connection relationship of part is as follows:
The base stage of triode Q1 is successively connect through resistance R3, diode D5 with the pole c of triode Q1；The pole c of triode Q1 also with
The pole c of triode Q3 connects；The pole c of triode Q1 is also connect through resistance R20 with the pole e of triode Q3；The pole e of triode Q3 with
The tie point of resistance R20 is connect with output module (3)；The pole e of triode Q1 is connect with the pole b of triode Q3；The e of triode Q3
The tie point of pole and the pole e of triode Q6；The tie point of the pole e of the pole e and triode Q6 of triode Q3 also after capacitor C2 with
Resistance R3 is connected with the tie point of diode D5；The pole b of triode Q6 is connect with the pole e of triode Q8；The pole b of triode Q8 with
The pole c of triode Q2 connects；The tie point of the pole c of the pole b and triode Q2 of triode Q8 is connect with the pole b of triode Q1；Three
The pole e of the pole c of pole pipe Q6, the pole c of triode Q8 and triode Q2 is grounded respectively；Resistance R13 is in parallel with diode D6；Diode
The anode of D6 is connect with the tie point of resistance R13 with the pole b of triode Q2；The cathode of diode D6 and the tie point of resistance R13
It is connect with reseting module (8).
In the present embodiment, the Mos pipe drive module course of work is as follows:
(1) when single-chip microcontroller sends instructions to one high level in the pole b of triode Q2, triode Q2 conducting, triode Q6, three poles
Pipe Q8 and diode D5 are on state, charge for capacitor C2, and the pole e of triode Q3 exports low level signal, that is, switch
The G of power supply chip Q5 extremely low level.
(2) when single-chip microcontroller issues instructions to one low level in the pole b of triode Q2, triode Q2 is disconnected, and capacitor C2 is put
Electricity, triode Q1 and triode Q3 are on state, and the pole e of Q3 exports high level, the i.e. G of switching power source chip Q5 at this time
Extremely high level.
In the present embodiment, since Mos pipe drive module is made of triode, diode, capacitor and resistance, cost is only needed
Several maos；For using special driving chip (price is more than 2 yuan), cost reduces more than half.
As shown in Fig. 2, in the present embodiment, the reseting module include comparator U7A, resistance R2, resistance R6, resistance R7,
Resistance R8, resistance R11, resistance R17 and door U1A and door U1C, NAND gate U6A, NAND gate U6B, NAND gate U6C, triode Q4
It is as follows with the connection relationship of capacitor C7, above each device:
It is grounded after resistance R2 and resistance R11 series connection；The positive input of comparator U7A and the tie point of resistance R2 and resistance R11
Connection；The reverse input end of comparator U7A is electrically connected with pressure limiting module 7；Two of the output end of comparator U7A and door U1C are defeated
Enter end connection；The output end of comparator U7A also meets 3.3V through resistance R8；Two inputs of the output end and NAND gate U6A of door U1C
End connection；The output end of NOT gate U6A is grounded after resistance R17, resistance R6；The tie point and triode of resistance R17 and resistance R6
The pole b of Q4 connects；The pole e of triode Q4 is grounded；The pole c of triode Q4 meets 3.3V through resistance R7；The pole c of triode Q4 and resistance
The tie point of R7 is grounded after capacitor C7；The output end of door U1C is also connect with an input terminal of NAND gate U6B；NOT gate U6B's is another
One input terminal is connect with the output end of NAND gate U6C；The output end of NAND gate U6B is connect with an input terminal of NAND gate U6C；With
Another input terminal of NOT gate U6C is connect with single-chip microcontroller 5；The output end of NAND gate U6C is connect with the input terminal with door U1A；With
Another input terminal of door U1A is connect with pressure limiting module 7；It is connect with the output end of door U1A with Mos pipe drive module.
When in abnormal cases, such as: load discovery mutation, or when being blocked without sunlight or sunlight, pass through reset
Control circuit Rapid reset can be made entire circuit quickly resume work, and give maximum power point for change rapidly by module.
As shown in Fig. 2, in the present embodiment, the pressure limiting module includes and door U1B, NAND gate U6D, comparator U7B, three poles
Pipe Q7, capacitor C15, resistance R4, resistance R9, resistance R36 and resistance R37, the connection relationship of above each component are as follows:
It connect with an input terminal of door U1B with single-chip microcontroller, is grounded after resistance R4 with the tie point of door U1B and single-chip microcontroller；With door
Another input terminal of U1B is connect with the output end of NAND gate U6D；Two input terminals of NAND gate U6D are followed by 3.3V through resistance R9；With
Two input terminals of NOT gate U6D are also connect with the output end of comparator U7B；The reverse input end of comparator U7B and the e of triode Q7
Pole connection；The pole c of triode Q7 is grounded；The pole b of triode Q7 meets 3.3V；The pole b of triode Q7 is also grounded after capacitor C15；
The positive input of comparator U7B meets 5.3V through resistance R36；The tie point of the positive input of comparator U7B and resistance R36 are also
It is grounded through resistance R37.
As shown in Fig. 2, in the present embodiment, the output voltage detection module include amplifier U3A, resistance R19, resistance R27,
Resistance R35, capacitor C8 and voltage-stabiliser tube D12, the connection relationship of above each component are as follows:
The non-inverting input terminal of amplifier U3A is connect through resistance R35 with output module；The non-inverting input terminal of amplifier U3A is also through resistance R27
After be grounded；The reverse input end of amplifier U3A is connect with the output end of amplifier U3A；The output end of amplifier U3A is through resistance R19, pressure stabilizing
It is grounded after pipe D12；The tie point of resistance R19 and voltage-stabiliser tube D12 are connect with single-chip microcontroller.Termination a 3.3V, capacitor C8 of capacitor C8
The other end ground connection.
As shown in Fig. 2, the solar panels voltage detection module includes amplifier U3B, resistance R18, resistance in the present embodiment
R26, resistance R34 and voltage-stabiliser tube D11, the connection relationship of above each component are as follows:
It is grounded after resistance R26 and resistance R34 series connection；The non-inverting input terminal of resistance R26 and the tie point of resistance R34 and amplifier U3A
Connection；The reverse input end of amplifier U3B is connect with the output end of amplifier U3B；The output end of amplifier U3B is through resistance R18, voltage-stabiliser tube
It is grounded after D11；The tie point of resistance R18 and voltage-stabiliser tube D11 are connect with single-chip microcontroller.
As shown in Fig. 2, the current detection module includes amplifier U2A, resistance R12, resistance R15, resistance in the present embodiment
R21, resistance R22, resistance R28, capacitor C3, capacitor C4, capacitor C10 and voltage-stabiliser tube D10, the connection relationship of above each component is such as
Under:
The non-inverting input terminal of amplifier U2A is connect through resistance R28 with output module；The non-inverting input terminal of amplifier U2A is also through capacitor C3
After be grounded；The inverting input terminal of amplifier U2A is grounded after resistance R12；The inverting input terminal of amplifier U2A is also through resistance R21 and fortune
Put the output end connection of U2A；Capacitor C10 is in parallel with resistance R21；The output end of amplifier U2A is successively through resistance R15 and voltage-stabiliser tube
D10 ground connection；Tie point between resistance R15 and voltage-stabiliser tube D10 is connect with single-chip microcontroller.
As shown in Fig. 2, in the present embodiment, the output module include switching power source chip Q5, inductance L1, diode D2,
Diode D4, capacitor C9, capacitor C16, capacitor C17 and capacitor C18, the connection relationship of above each component are as follows:
1 to 4 foot of the model IRF9310PBF of switching power source chip Q5, switching power source chip Q5 are connect with Mos drive module；
5 to 8 feet of switching power source chip Q5 are grounded after diode D2,5 to 8 feet of switching power source chip Q5 also successively through inductance L2,
It is grounded after capacitor C9；A termination 5.3V of diode D4, the other end of diode D4 are connect with current detection module；Inductance L1 with
The tie point of capacitor C9 is connect with output voltage detection module；Capacitor C16, capacitor C17, capacitor C18, diode D4 are in parallel.
As shown in Fig. 2, the power module includes power supply chip U4, diode D3, capacitor C5, capacitor in the present embodiment
C11, capacitor C12, capacitor C13, capacitor C14, inductance L2, resistance R30, resistance R31, resistance R32 and voltage-stabiliser tube D9, above each member
The connection relationship of device is as follows:
5 feet of the model MC33063ADR of power supply chip U4, power supply chip U4 are grounded after resistance R31, and the 6 of power supply chip U4
Foot is connect with 7 feet of power supply chip U4,8 feet and 1 foot respectively after resistance R30；6 feet of power supply chip U4 are also after capacitor C12
Ground connection, 6 feet of power supply chip U4 are also grounded after capacitor C11, and 6 feet of power supply chip U4 are also connect with one end of diode D3,
4 feet of power supply chip U4 are grounded, and are grounded after the 3 foot meridian capacitor C13 of power supply chip U4,2 feet of power supply chip U4 are successively through inductance
It is connect after L2, resistance R32 with 3.3V, the other end ground connection of termination a 3.3V, capacitor C5 of capacitor C5, a termination of capacitor C14
The other end of 3.3V, capacitor C14 are grounded.
It further include diode D1 and diode D7 in solar charger control circuit as shown in Fig. 2, in the present embodiment,
Diode D1 fills instruction for counnter attack, and diode D7 is for exporting instruction.
Solar charger of the present invention, including solar panel and solar charger as described in the present invention
Control circuit, Mos drive module, reseting module, solar panels voltage detection module in solar charger control circuit and
Power module is electrically connected with solar panel respectively.
Claims (10)
1. a kind of solar charger control circuit, it is characterised in that: including Mos drive module (2), output module (3), electric current
Detection module (4), single-chip microcontroller (5), output voltage detection module (6), pressure limiting module (7), reseting module (8), solar panels electricity
Press detection module (9) and power module (10)；
The Mos drive module (2) is electrically connected with output module (3), pressure limiting module (7) and reseting module (8) respectively；
The output module (3) is electrically connected with current detection module (4), output voltage detection module (6) and pressure limiting module (7) respectively
It connects；
The current detection module (4), output voltage detection module (6), pressure limiting module (7), reseting module (8), solar panels
Voltage detection module (9) and power module (10) are electrically connected with single-chip microcontroller (5) respectively.
2. solar charger control circuit according to claim 1, it is characterised in that: the Mos pipe drive module packet
Include diode D5, diode D6, triode Q1, triode Q2, triode Q3, triode Q6, triode Q8, capacitor C2, resistance
The connection relationship of R3, resistance R13 and resistance 20, above each component is as follows:
The base stage of triode Q1 is successively connect through resistance R3, diode D5 with the pole c of triode Q1；
The pole c of triode Q1 is also connect with the pole c of triode Q3；
The pole c of triode Q1 is also connect through resistance R20 with the pole e of triode Q3；
The pole e of triode Q3 is connect with the tie point of resistance R20 with output module (3)；
The pole e of triode Q1 is connect with the pole b of triode Q3；
The tie point of the pole e of the pole e and triode Q6 of triode Q3；
Connection of the tie point of the pole e of the pole e and triode Q6 of triode Q3 also after capacitor C2 with resistance R3 and diode D5
Point connection；
The pole b of triode Q6 is connect with the pole e of triode Q8；
The pole b of triode Q8 is connect with the pole c of triode Q2；
The tie point of the pole c of the pole b and triode Q2 of triode Q8 is connect with the pole b of triode Q1；
The pole e of the pole c of triode Q6, the pole c of triode Q8 and triode Q2 is grounded respectively；
Resistance R13 is in parallel with diode D6；
The anode of diode D6 is connect with the tie point of resistance R13 with the pole b of triode Q2；
The cathode of diode D6 is connect with the tie point of resistance R13 with reseting module (8).
3. solar charger control circuit according to claim 1 or 2, it is characterised in that: reseting module (8) packet
Include comparator U7A, resistance R2, resistance R6, resistance R7, resistance R8, resistance R11, resistance R17, with door U1A, with door U1C, with it is non-
Door U6A, NAND gate U6B, NAND gate U6C, triode Q4 and capacitor C7, the connection relationship of above each device are as follows:
It is grounded after resistance R2 and resistance R11 series connection；
The positive input of comparator U7A is connect with the tie point of resistance R2 and resistance R11；
The reverse input end of comparator U7A is electrically connected with pressure limiting module (7)；
The output end of comparator U7A is connect with two input terminals of door U1C；
The output end of comparator U7A also meets 3.3V through resistance R8；
The output end of door U1C is connect with two input terminals of NAND gate U6A；
The output end of NOT gate U6A is grounded after resistance R17, resistance R6；
The tie point of resistance R17 and resistance R6 are connect with the pole b of triode Q4；
The pole e of triode Q4 is grounded；
The pole c of triode Q4 meets 3.3V through resistance R7；
The pole c of triode Q4 is grounded after capacitor C7 with the tie point of resistance R7；
The output end of door U1C is also connect with an input terminal of NAND gate U6B；
Another input terminal of NOT gate U6B is connect with the output end of NAND gate U6C；
The output end of NAND gate U6B is connect with an input terminal of NAND gate U6C；
Another input terminal of NAND gate U6C is connect with single-chip microcontroller (5)；
The output end of NAND gate U6C is connect with the input terminal with door U1A；
It is connect with another input terminal of door U1A with pressure limiting module (7)；
It is connect with the output end of door U1A with Mos pipe drive module.
4. solar charger control circuit according to claim 3, it is characterised in that: the pressure limiting module (7) includes
With door U1B, NAND gate U6D, comparator U7B, triode Q7, capacitor C15, resistance R4, resistance R9, resistance R36 and resistance R37,
The connection relationship of above each component is as follows:
It is connect with an input terminal of door U1B with single-chip microcontroller (5)；
It is grounded after resistance R4 with door U1B and the tie point of single-chip microcontroller (5)；
It is connect with another input terminal of door U1B with the output end of NAND gate U6D；
Two input terminals of NAND gate U6D are followed by 3.3V through resistance R9；
Two input terminals of NAND gate U6D are also connect with the output end of comparator U7B；
The reverse input end of comparator U7B is connect with the pole e of triode Q7；
The pole c of triode Q7 is grounded；
The pole b of triode Q7 meets 3.3V；
The pole b of triode Q7 is also grounded after capacitor C15；
The positive input of comparator U7B meets 5.3V through resistance R36；
The positive input of comparator U7B and the tie point of resistance R36 are also grounded after resistance R37.
5. solar charger control circuit according to claim 1 or 2 or 4, it is characterised in that: the output voltage inspection
Surveying module (6) includes amplifier U3A, resistance R19, resistance R27, resistance R35, capacitor C8 and voltage-stabiliser tube D12, above each component
Connection relationship is as follows:
The non-inverting input terminal of amplifier U3A is connect through resistance R35 with output module (3)；
The non-inverting input terminal of amplifier U3A is also grounded after resistance R27；
The reverse input end of amplifier U3A is connect with the output end of amplifier U3A；
The output end of amplifier U3A is grounded after resistance R19, voltage-stabiliser tube D12；
The tie point of resistance R19 and voltage-stabiliser tube D12 are connect with single-chip microcontroller (5)；
The other end ground connection of termination a 3.3V, capacitor C8 of capacitor C8.
6. solar charger control circuit according to claim 5, it is characterised in that: the solar panels voltage detecting
Module (9) includes amplifier U3B, resistance R18, resistance R26, resistance R34 and voltage-stabiliser tube D11, the connection relationship of above each component
It is as follows:
It is grounded after resistance R26 and resistance R34 series connection；
Resistance R26 and the tie point of resistance R34 are connect with the non-inverting input terminal of amplifier U3A；
The reverse input end of amplifier U3B is connect with the output end of amplifier U3B；
The output end of amplifier U3B is grounded after resistance R18, voltage-stabiliser tube D11；
The tie point of resistance R18 and voltage-stabiliser tube D11 are connect with single-chip microcontroller (5).
7. solar charger control circuit described according to claim 1 or 2 or 4 or 6, it is characterised in that: the electric current inspection
Surveying module (4) includes amplifier U2A, resistance R12, resistance R15, resistance R21, resistance R22, resistance R28, capacitor C3, capacitor C4, electricity
Hold C10 and voltage-stabiliser tube D10, the connection relationship of above each component be as follows:
The non-inverting input terminal of amplifier U2A is connect through resistance R28 with output module (3)；
The non-inverting input terminal of amplifier U2A is also grounded after capacitor C3；
The inverting input terminal of amplifier U2A is grounded after resistance R12；
The inverting input terminal of amplifier U2A is also connect through resistance R21 with the output end of amplifier U2A；
Capacitor C10 is in parallel with resistance R21；
The output end of amplifier U2A is successively grounded through resistance R15 and voltage-stabiliser tube D10；
Tie point between resistance R15 and voltage-stabiliser tube D10 is connect with single-chip microcontroller (5).
8. solar charger control circuit according to claim 7, it is characterised in that: the output module (3) includes
Switching power source chip Q5, inductance L1, diode D2, diode D4, capacitor C9, capacitor C16, capacitor C17 and capacitor C18, it is above
The connection relationship of each component is as follows:
1 to 4 foot of the model IRF9310PBF of switching power source chip Q5, switching power source chip Q5 and Mos drive module (2) are even
It connects；5 to 8 feet of switching power source chip Q5 are grounded after diode D2, and 5 to 8 feet of switching power source chip Q5 are also successively through inductance
It is grounded after L2, capacitor C9；
A termination 5.3V of diode D4, the other end of diode D4 are connect with current detection module (4)；
Inductance L1 is connect with the tie point of capacitor C9 with output voltage detection module (6)；
Capacitor C16, capacitor C17, capacitor C18, diode D4 are in parallel.
9. solar charger control circuit described according to claim 1 or 2 or 4 or 6 or 8, it is characterised in that: the power supply
Module (10) includes power supply chip U4, diode D3, capacitor C5, capacitor C11, capacitor C12, capacitor C13, capacitor C14, inductance
L2, resistance R30, resistance R31, resistance R32 and voltage-stabiliser tube D9, the connection relationship of above each component are as follows:
5 feet of the model MC33063ADR of power supply chip U4, power supply chip U4 are grounded after resistance R31, and the 6 of power supply chip U4
Foot is connect with 7 feet of power supply chip U4,8 feet and 1 foot respectively after resistance R30；6 feet of power supply chip U4 are also after capacitor C12
Ground connection, 6 feet of power supply chip U4 are also grounded after capacitor C11, and 6 feet of power supply chip U4 are also connect with one end of diode D3,
4 feet of power supply chip U4 are grounded, and are grounded after the 3 foot meridian capacitor C13 of power supply chip U4,2 feet of power supply chip U4 are successively through inductance
It is connect after L2, resistance R32 with 3.3V, the other end ground connection of termination a 3.3V, capacitor C5 of capacitor C5, a termination of capacitor C14
The other end of 3.3V, capacitor C14 are grounded.
10. a kind of solar charger, it is characterised in that: including solar panel (1) and such as any institute of claim 1 to 9
The solar charger control circuit stated, Mos drive module (2), reseting module (8) in solar charger control circuit,
Solar panels voltage detection module (9) and power module (10) are electrically connected with solar panel (1) respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910570113.8A CN110138057B (en) | 2019-06-27 | 2019-06-27 | Solar charger control circuit and solar charger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910570113.8A CN110138057B (en) | 2019-06-27 | 2019-06-27 | Solar charger control circuit and solar charger |
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| Publication Number | Publication Date |
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| CN110138057A true CN110138057A (en) | 2019-08-16 |
| CN110138057B CN110138057B (en) | 2024-02-02 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203204123U (en) * | 2012-09-29 | 2013-09-18 | 广东志成华科光电设备有限公司 | Diode polarity detection circuit |
| CN104319829A (en) * | 2014-09-30 | 2015-01-28 | 陕西易阳科技有限公司 | Solar charging system |
| JP2015223046A (en) * | 2014-05-23 | 2015-12-10 | 株式会社風憩セコロ | Rechargeable power generation drive system |
| CN109630448A (en) * | 2018-11-09 | 2019-04-16 | 天津航空机电有限公司 | A kind of DC fan fault detection circuit |
| CN209748245U (en) * | 2019-06-27 | 2019-12-06 | 深圳市辉曜科技有限公司 | Solar charger control circuit and solar charger |
-
2019
- 2019-06-27 CN CN201910570113.8A patent/CN110138057B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203204123U (en) * | 2012-09-29 | 2013-09-18 | 广东志成华科光电设备有限公司 | Diode polarity detection circuit |
| JP2015223046A (en) * | 2014-05-23 | 2015-12-10 | 株式会社風憩セコロ | Rechargeable power generation drive system |
| CN104319829A (en) * | 2014-09-30 | 2015-01-28 | 陕西易阳科技有限公司 | Solar charging system |
| CN109630448A (en) * | 2018-11-09 | 2019-04-16 | 天津航空机电有限公司 | A kind of DC fan fault detection circuit |
| CN209748245U (en) * | 2019-06-27 | 2019-12-06 | 深圳市辉曜科技有限公司 | Solar charger control circuit and solar charger |
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| Publication number | Publication date |
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| CN110138057B (en) | 2024-02-02 |
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