CN107154638A - Charging and discharging lithium battery controller - Google Patents
Charging and discharging lithium battery controller Download PDFInfo
- Publication number
- CN107154638A CN107154638A CN201710378010.2A CN201710378010A CN107154638A CN 107154638 A CN107154638 A CN 107154638A CN 201710378010 A CN201710378010 A CN 201710378010A CN 107154638 A CN107154638 A CN 107154638A
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- electric capacity
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- lithium battery
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 78
- 238000007599 discharging Methods 0.000 title claims abstract description 16
- 230000001052 transient effect Effects 0.000 claims description 10
- 239000013078 crystal Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 abstract description 27
- 238000004146 energy storage Methods 0.000 abstract description 15
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000009977 dual effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 241001191009 Gymnomyza Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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- H02J3/383—
-
- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Charging and discharging lithium battery controller belongs to photovoltaic energy storage systems technology field, more particularly to a kind of charging and discharging lithium battery controller.The present invention provides the charging and discharging lithium battery controller that a kind of electricity for sending solar energy efficiently, is rationally utilized.The present invention includes charging signals control section, signal and negates part, the charging first via, the second tunnel of charging, first switch part, lithium battery group and second switch part, the lithium battery group includes the first lithium battery part and the second lithium battery part, the control signal input mouthful that the control signal output mouth of charging signals control section negates part with control signal input mouth, the signal of the first via that charges respectively is connected, and signal negates the control signal output mouthful of part and is connected with the control signal input mouthful on the second tunnel of charging.
Description
Technical field
The invention belongs to photovoltaic energy storage systems technology field, more particularly to a kind of charging and discharging lithium battery controller.
Background technology
Current PV solar panel capacity is generally 3Kw~10kW, and family's consumption is installed, and is installed in resident family's family, is led to
The direct current that inverter sends solar energy is crossed, becomes alternating current, the electric supply load sent come out from inverter is used.But
Due to not possessing suitable battery charging and discharging controller, the electricity that solar energy is sent can not be utilized effectively and reasonably.
The content of the invention
There is provided the lithium battery that a kind of electricity for sending solar energy efficiently, is rationally utilized aiming above mentioned problem by the present invention
Charging-discharging controller.
To achieve the above object, the present invention is adopted the following technical scheme that, the present invention includes charging signals control section, signal
Negate part, the charging first via, the second tunnel of charging, first switch part, lithium battery group and second switch part, the lithium battery
Group includes the first lithium battery part and the second lithium battery part, the control signal output mouthful of charging signals control section respectively with
The control signal input mouthful that the control signal input mouthful for the first via that charges, signal negate part is connected, and signal negates part
Control signal output mouthful be connected with the control signal input mouth on the second tunnel of charging；
The control signal output mouthful for the first via that charges is connected with the control signal input mouthful of first switch part, first switch
Partial electrical energy inputs are connected with AC/DC Switching Power Supply output cathodes end, the electric energy output end of first switch part respectively with
First lithium battery part negative pole end, diode D25 negative electrodes are connected, diode D25 plus earths, the first lithium battery segment anode end
The positive terminal with AC/DC Switching Power Supply output negative poles end, lithium battery group is connected respectively, the negative pole end ground connection of lithium battery group；
The control signal output mouthful on the second tunnel that charges is connected with the control signal input mouthful of second switch part, second switch
Partial electrical energy inputs are connected with AC/DC Switching Power Supply output cathodes end, the electric energy output end of second switch part respectively with
Second lithium battery part negative pole end, diode D26 negative electrodes are connected, diode D26 plus earths, the second lithium battery segment anode end
The positive terminal with AC/DC Switching Power Supply output negative poles end, lithium battery group is connected respectively.
As a kind of preferred scheme, charging signals control section of the present invention includes STM32F103C8T6 chips U1, U1
10 pin pass sequentially through resistance R76, address connector P3 ground connection be set, U1 13 pin respectively with electric capacity C9 one end, infrared receiver
Connector P2 1 pin is connected, the electric capacity C9 other ends respectively with ground wire, infrared receiver connector P2 2 pin, electric capacity C8 one end phase
Even, 3 pin, the 3.3V power supplys of the electric capacity C8 other ends respectively with infrared receiver connector P2 are connected；U1 14 pin pass through positive two pole
Pipe D7 connects 3.3V power supplys, and U1 15 pin connect 3.3V power supplys by forward diode D6, and U1 16 pin are connect by forward diode D5
3.3V power supplys, U1 17 pin connect 3.3V power supplys by forward diode D4；
U1 5 pin are connected with electric capacity C12 one end, crystal oscillator G1 one end respectively, 6 pin, the electric capacity C13 of the crystal oscillator G1 other ends respectively with U1
One end be connected, the electric capacity C13 other ends by resistance R11 respectively with the electric capacity C12 other ends, ground wire, MAX812 chips D14 1 pin
Be connected, D14 4 pin connect 3.3V power supplys, D14 2 pin connect U1 7 pin by resistance R15, U1 24 pin respectively with inductance L1 mono-
End, U1 36 pin, U1 48 pin, inductance L2 one end, electric capacity C14 one end, electric capacity C15 one end, electric capacity C17 one end are connected, inductance
Another termination 3.3V power supplys of L1,9 pin of the inductance L2 other ends respectively with electric capacity C16 one end, electric capacity C18 one end, U1 are connected, electric capacity
The C14 other ends, the electric capacity C15 other ends, the electric capacity C17 other ends, the electric capacity C16 other ends, electric capacity C18 other ends ground connection；
U1 18 pin are connected with diode D24 negative electrodes, resistance R75 one end, electric capacity C33 one end, resistance R74 one end respectively, two poles
Pipe D24 anodes, the resistance R75 other ends, electric capacity C33 other ends ground connection；The positive pole of the resistance R74 other ends respectively with lithium battery group
End, diode D3 anodes be connected, diode D3 negative electrodes respectively with electric capacity C4 positive poles, electric capacity C5 one end, HT7550-5 chips D1-1
3 pin, HT7550-5 chips D1 3 pin be connected, electric capacity C4 negative poles, the electric capacity C5 other ends ground connection, D1-1 1 pin is respectively with D1's
1 pin, voltage-regulator diode D10 negative electrodes, resistance R1 one end, electric capacity C7 positive poles are connected, voltage-regulator diode D10 anodes, electric capacity C7 negative poles
Ground connection, the resistance R1 other ends 2 pin respectively with D1, D1-1 2 pin, two-way transient supression diode VP1 one end, electric capacity C6 are just
Pole, electric capacity C2 one end, power supply VCC, LM1117MPX-3.3 chip D2 3 pin are connected, and two-way transient supression diode VP1 is another
End, electric capacity C6 negative poles, the electric capacity C2 other ends, D2 1 pin ground connection, D2 2 pin respectively with 3.3V power supplys, electric capacity C1 positive poles, C3 mono-
End is connected, electric capacity C1 negative poles, C3 other ends ground connection.
Beneficial effect of the present invention.
Present invention can apply in the intelligent photovoltaic energy-storage system shown in Fig. 1, the direct current that inverter sends solar energy,
Become alternating current, be connected with power network, " i.e. hair is used, remaining electricity online ", the preferential supply load of the electricity sent come out from inverter
Use, it is unnecessary to supply electricity to be sent in power network.By lithium battery energy storage battery electricity, energy storage is dispatched, K1, K2 are controlled by scheduling energy storage,
If user realizes step price in location（Peak valley ordinary telegram valency）, at 11 points in evening, the electricity charge were very cheap to 5:00 AM,
Paddy electricity should be no more than 3 maos, and K2 is closed, charged a battery, be full of.After, 5 points to 8 points, everybody opens daybreak in the morning
Beginning electricity consumption, electricity price is expensive, when solar energy is not very sufficient, is closed by K1, and the electricity in lithium battery is passed through parallel network reverse
Device is sent in power network, and at this time electricity price is expensive, can sell for money more.
The present invention is in order to ensure battery normal work, and power network and solar energy all charge to it.
On the basis of distributed photovoltaic peasant household builds, the energy storage of distributed peasant household is built.Each household fills 10kWh ternary lithium batteries
Energy storage, equivalent to 13 pieces * 200Ah/3.6V series connection ternary lithium 4 yuan/Ah of electric cost, each household puts into 10,000 yuan, according to 0.2 yuan/kWh
Deposit paddy abandons electric 2 yuan of the energy storage cost of 10 degree of electricity, and power network peak value energy storage is sold out, 0.83+0.42 members=1.25 yuan/degree, is received daily
Enter：12.5 yuan -2 yuan=10 yuan, 4320 yuan, 2.3 years energy storage investment payback times are taken in energy storage in 1 year.
As shown in Fig. 4,5,7, PWM2 signals, two groups（The charging first via, the second tunnel of charging）Be it is common, it control
Metal-oxide-semiconductor circuit（Q3/Q6, Q11/Q12）Equivalent to total lock of charging, if it close if, no matter PWM1 what, all can not
Charging.
Q2/Q5 and Q9/Q10 working condition is on the contrary, because be two signals control by opposite in phase.
PWM1 is exactly main control signal, but because is that battery is divided into two groups（First lithium battery part and the second lithium electricity
Pond part is equivalent lithium battery）, charged respectively under a pwm signal, so, there is control signal all the way to need " triode
Negate ".The safe and efficient charging technique of batteries so can be achieved, while first switch part and second switch part are alternately opened
Disconnected control, realizes that power supply point efficiently doubles charging technique.
Diode D25, D26 of the present invention are the minimum fast diode of forward resistance.Two diode-connected determine two groups
Batteries are isolation, vise grounding function while having, all the time vise two group storage battery group negative poles near zero potential.
Brief description of the drawings
The present invention will be further described with reference to the accompanying drawings and detailed description.The scope of the present invention not only limits to
In the statement of herein below.
Fig. 1 is intelligent photovoltaic energy-storage system schematic block circuit diagram of the present invention.
Fig. 2 is present invention scheduling circuit system schematic diagram.
Fig. 3 is charging and discharging lithium battery controller of the present invention and lithium battery group partial circuit theory diagram.
Fig. 4 is charging and discharging lithium battery controller of the present invention and lithium battery group partial circuit schematic diagram.
Fig. 5,6,7,8,9 are Fig. 4 each several part enlarged drawings.
A, B, C, D in Fig. 4 is corresponding with A, B, C, D in Fig. 3.
Embodiment
As illustrated, present invention can apply in the intelligent photovoltaic energy-storage system shown in Fig. 1, intelligent photovoltaic energy-storage system can
Including combining inverter, AC/DC Switching Power Supplies, charging and discharging lithium battery controller, lithium battery group, DC/AC inverters, dual power supply certainly
Dynamic conversion switch, scheduling system and photovoltaic module, the electric energy of the power input of combining inverter respectively with photovoltaic module are defeated
Exit port, lithium battery group are connected, and the positive terminal of lithium battery group is inputted by the electric energy positive pole of forward diode and combining inverter
End is connected, and the negative pole end of lithium battery group is connected by relay K1 normal open switch with the electric energy negative input of combining inverter.
The electric energy output end of combining inverter converted automatically with power network, dual power supply respectively switch stand-by electric energy input,
The electrical energy inputs of AC/DC Switching Power Supplies are connected, and the electrical energy inputs N-terminal of AC/DC Switching Power Supplies is opened by the way that relay K1 is normally opened
Pass is connected with the electric energy output end N-terminal of combining inverter, the electrical energy inputs L ends of AC/DC Switching Power Supplies and combining inverter
Electric energy output end L ends are connected；Scheduling system control output end mouth respectively with relay K1 control input port and relay
K2 control input port is connected.
The electric energy output end of AC/DC Switching Power Supplies is connected by charging and discharging lithium battery controller with lithium battery group, lithium battery
Group is connected with the electrical energy inputs of DC/AC inverters, and electric energy output end and the dual power supply of DC/AC inverters convert switch automatically
Conventional electrical energy inputs are connected, and dual power supply converts the load wiring end of switch automatically and family registers one's residence, and master on off is connected.
The combining inverter uses HP10000-148 types, and AC/DC Switching Power Supplies use S-120-48 type Switching Power Supplies,
DC/AC inverters use 48-500 type inverters, and dual power supply converts switch and converts switch automatically using GCQ2-63 types automatically.
40 pin of the scheduling system including STC89C52 MCU, MCU respectively with first resistor one end, second resistance one end
It is connected, the first resistor other end is connected with the first PC817 chip input anodes, the first PC817 chips input cathode and MCU
32 pin be connected, the output end colelctor electrode of the first PC817 chips is connected with PNP triode Q1 base stage, triode Q1 transmitting
Pole control input port one end respectively with the relay K1, the first diode anode are connected, the first diode cathode difference
Be connected with relay K1 the control input port other end, 5V power supplys, triode Q1 colelctor electrode and the first PC817 chips it is defeated
Go out to hold grounded emitter.
The second resistance other end is connected with the 2nd PC817 chip input anodes, the 2nd PC817 chips input cathode with
MCU 22 pin are connected, and the output end colelctor electrode of the 2nd PC817 chips is connected with PNP triode Q2 base stage, triode Q2 hair
Emitter-base bandgap grading control input port one end respectively with the relay K2, the second diode anode are connected, the second diode cathode point
It is not connected with relay K2 the control input port other end, 5V power supplys, triode Q2 colelctor electrode and the 2nd PC817 chips
Output end grounded emitter.
14,15 pin of the MCU are corresponding with ESP-07 chips U7 16,15 pin respectively to be connected, and U7 10 pin pass through the 3rd
Resistance eutral grounding, U7 9 pin ground connection, U7 3 pin connect 3.3V power supplys by the 4th resistance, and U7 8 pin connect 3.3V power supplys.
Present device can be controlled by mobile phone A PP, equipment is operated under wifi interconnection net states at home, and U7 is
Wifi module, STC89C52 MCU drive triode Q1 by optocoupler PC817（Q2）, carry out the folding K1 of control relay（K2）.
The charging and discharging lithium battery controller includes charging signals control section, signal and negates part, the charging first via, fills
Electric second tunnel, first switch part and second switch part, the lithium battery group include the first lithium battery part and the second lithium electricity
Pond part, the control signal output mouth of charging signals control section control signal input mouthful respectively with the first via that charges,
The control signal input mouthful that signal negates part is connected, and signal negates control signal output mouthful and the second tunnel of charging of part
Control signal input mouthful be connected.
The control signal output mouthful for the first via that charges is connected with the control signal input mouthful of first switch part, and first
The electrical energy inputs of switch sections are connected with AC/DC Switching Power Supply output cathodes end, the electric energy output end point of first switch part
It is not connected with the first lithium battery part negative pole end, diode D25 negative electrodes, diode D25 plus earths, the first lithium battery part sun
Positive terminal extremely respectively with AC/DC Switching Power Supply output negative poles end, lithium battery group is connected, the negative pole end ground connection of lithium battery group.
The control signal output mouthful on the second tunnel that charges is connected with the control signal input mouthful of second switch part, and second
The electrical energy inputs of switch sections are connected with AC/DC Switching Power Supply output cathodes end, the electric energy output end point of second switch part
It is not connected with the second lithium battery part negative pole end, diode D26 negative electrodes, diode D26 plus earths, the second lithium battery part sun
Positive terminal extremely respectively with AC/DC Switching Power Supply output negative poles end, lithium battery group is connected.
10 pin of the charging signals control section including STM32F103C8T6 chips U1, U1 pass sequentially through resistance R76,
Address sets connector P3 ground connection, and 1 pin of U1 13 pin respectively with electric capacity C9 one end, infrared receiver connector P2 is connected, electric capacity
The C9 other ends are connected with ground wire, infrared receiver connector P2 2 pin, electric capacity C8 one end respectively, the electric capacity C8 other ends respectively with it is red
Outer 3 pin for receiving connector P2,3.3V power supplys are connected；U1 14 pin connect 3.3V power supplys, U1 15 pin by forward diode D7
3.3V power supplys are connect by forward diode D6, U1 16 pin connect 3.3V power supplys by forward diode D5, and U1 17 pin pass through just
3.3V power supplys are connect to diode D4.
U1 5 pin are connected with electric capacity C12 one end, crystal oscillator G1 one end respectively, 6 pin, the electricity of the crystal oscillator G1 other ends respectively with U1
Hold C13 one end to be connected, the electric capacity C13 other ends by resistance R11 respectively with the electric capacity C12 other ends, ground wire, MAX812 chips D14
1 pin be connected, D14 4 pin connect 3.3V power supplys, and D14 2 pin connect U1 7 pin by resistance R15, U1 24 pin respectively with inductance
L1 one end, U1 36 pin, U1 48 pin, inductance L2 one end, electric capacity C14 one end, electric capacity C15 one end, electric capacity C17 one end are connected,
Another termination 3.3V power supplys of inductance L1,9 pin of the inductance L2 other ends respectively with electric capacity C16 one end, electric capacity C18 one end, U1 are connected,
The electric capacity C14 other ends, the electric capacity C15 other ends, the electric capacity C17 other ends, the electric capacity C16 other ends, electric capacity C18 other ends ground connection.
U1 18 pin are connected with diode D24 negative electrodes, resistance R75 one end, electric capacity C33 one end, resistance R74 one end respectively,
Diode D24 anodes, the resistance R75 other ends, electric capacity C33 other ends ground connection；The resistance R74 other ends respectively with lithium battery group just
Extremely, diode D3 anodes be connected, diode D3 negative electrodes respectively with electric capacity C4 positive poles, electric capacity C5 one end, HT7550-5 chips D1-
13 pin, HT7550-5 chips D1 3 pin are connected, electric capacity C4 negative poles, electric capacity C5 other ends ground connection, D1-1 1 pin respectively with D1
1 pin, voltage-regulator diode D10 negative electrodes, resistance R1 one end, electric capacity C7 positive poles be connected, voltage-regulator diode D10 anodes, electric capacity C7 bear
Pole is grounded, and the resistance R1 other ends 2 pin respectively with D1, D1-1 2 pin, two-way transient supression diode VP1 one end, electric capacity C6 are just
Pole, electric capacity C2 one end, power supply VCC, LM1117MPX-3.3 chip D2 3 pin are connected, and two-way transient supression diode VP1 is another
End, electric capacity C6 negative poles, the electric capacity C2 other ends, D2 1 pin ground connection, D2 2 pin respectively with 3.3V power supplys, electric capacity C1 positive poles, C3 mono-
End is connected, electric capacity C1 negative poles, C3 other ends ground connection.
The signal, which negates part, includes NPN triode VT17, and triode VT17 base stage passes through the 45 of resistance R17 and U1
Pin is connected, and triode VT17 grounded emitters, triode VT17 colelctor electrodes meet power supply VCC by resistance R21.
The first switch part include N-channel enhancement mode FET Q2, Q3, Q5, Q6, FET Q2 source electrode with
Between drain electrode, between FET Q3 source electrode and drain electrode, between FET Q5 source electrode and drain electrode, FET Q6 source
Forward zener diode is respectively connected between pole and drain electrode.
The first via that charges includes resistance R35, and resistance R35 one end is connected with U1 45 pin, the resistance R35 other ends and NPN tri-
Pole pipe VT5 base stages be connected, triode VT5 grounded emitters, triode VT5 colelctor electrodes by resistance R22 respectively with resistance R18 mono-
End, PNP triode VT2 base stages be connected, triode VT2 emitter stages respectively with the resistance R18 other ends, power supply VCC, resistance R19 mono-
End, NPN triode VT1 colelctor electrodes be connected, triode VT1 base stages respectively with the resistance R19 other ends, NPN triode VT3 current collections
Pole, PNP triode VT4 base stages are connected, and triode VT3 base stages are connected by resistance R34 with U1 30 pin, triode VT3 transmittings
Pole is connected with ground wire, triode VT4 colelctor electrodes, resistance R36 one end respectively, and triode VT4 emitter stages are sent out with triode VT1 respectively
Emitter-base bandgap grading, the resistance R36 other ends, resistance R50 one end, resistance R51 one end are connected, the grid of the resistance R50 other ends and FET Q3
Extremely it is connected, the resistance R51 other ends are connected with FET Q6 grid, and FET Q6 source electrode is respectively with FET Q3's
Source electrode, resistance R55 one end be connected, the resistance R55 other ends respectively with diode D20 anodes, resistance R52 one end, electric capacity C28 mono-
End, the first lithium battery part negative pole end are connected；Diode D20 negative electrodes respectively with resistance R52 one end, C28 one end, resistance R44 mono-
End, resistance R8 one end are connected, and the resistance R44 other ends are connected with resistance R42 one end, diode D21 anodes respectively, and resistance R42 is another
One end is connected with the first lithium battery part positive terminal.
The resistance R8 other ends are connected with electric capacity C10 one end, resistance R12 one end respectively, electric capacity C10 other ends ground connection, resistance
3 pin of the R12 other ends respectively with resistance R10 one end, LM258AD chips U2A are connected, the resistance R10 other ends respectively with resistance R2
One end, resistance R3 one end are connected, resistance R3 other ends ground connection, another termination power VCC of resistance R2；U2A 2 pin respectively with resistance
R9 one end, resistance R13 one end, electric capacity C20 one end are connected, resistance R9 other ends ground connection；The electric capacity C20 other ends respectively with resistance
The R13 other ends, U2A 1 pin, resistance R14 one end are connected, and U2A 8 pin are connected with power supply VCC, electric capacity C25 one end respectively, electric capacity
The C25 other ends are grounded；14 pin of the resistance R14 other ends respectively with resistance R16 one end, electric capacity C23 one end, U1 are connected, resistance R16
The other end, electric capacity C23 other ends ground connection.
FET Q6 drain electrode drain electrode respectively with FET Q3, FET Q2 drain electrode, FET Q5
Drain electrode is connected, FET Q5 grid by resistance R48 respectively with resistance R47 one end, resistance R49 one end, NPN triode
VT7 emitter stages, PNP triode VT11 emitter stages are connected, and the resistance R47 other ends are connected with FET Q2 grid, resistance R49
Other end source electrode respectively with FET Q2, FET Q5 source electrode, triode VT11 colelctor electrodes, diode D21 negative electrodes,
NPN triode VT9 emitter stages, resistance R54 one end, diode D17 anodes, electric capacity C26 negative poles, two-way transient supression diode
VP2 one end, AC/DC Switching Power Supply output cathodes end be connected, triode VT11 base stages respectively with triode VT7 base stages, resistance R41
One end, triode VT9 colelctor electrodes be connected, the resistance R41 other ends respectively with triode VT7 colelctor electrodes, diode D17 negative electrodes, electricity
Hold C26 positive poles, resistance R37 one end, resistance R43 one end to be connected, the resistance R43 other ends respectively with the resistance R37 other ends, diode
D16 negative electrodes are connected, diode D16 anodes and the two-way transient supression diode VP2 other ends, the first lithium battery part positive terminal phase
Even；Triode VT9 base stages are connected with the resistance R54 other ends, resistance R23 one end respectively, and the resistance R23 other ends pass through reverse two pole
Pipe D13 is connected with triode VT2 colelctor electrodes.
The second switch part includes N-channel enhancement mode FET Q10, Q12, Q9, Q11, FET Q10 source
Between pole and drain electrode, between FET Q12 source electrode and drain electrode, between FET Q9 source electrode and drain electrode, FET
Forward zener diode is respectively connected between Q11 source electrode and drain electrode.
The second tunnel charge including resistance R25, resistance R25 one end is connected with triode VT17 colelctor electrodes, the resistance R25 other ends
It is connected with NPN triode VT18 base stages, triode VT18 grounded emitters, triode VT18 colelctor electrodes are distinguished by resistance R30
Be connected with resistance R27 one end, PNP triode VT19 base stages, triode VT19 emitter stages respectively with the resistance R27 other ends, power supply
VCC, resistance R63 one end, NPN triode VT24 colelctor electrodes be connected, triode VT24 base stages respectively with the resistance R63 other ends, NPN
Triode VT21 colelctor electrodes, PNP triode VT25 base stages are connected, the 30 pin phases that triode VT21 base stages pass through resistance 61 and U1
Even, triode VT21 emitter stages are connected with ground wire, triode VT25 colelctor electrodes, resistance R68 one end respectively, triode VT25 transmittings
Pole is connected with triode VT24 emitter stages, the resistance R68 other ends, resistance R69 one end, resistance R70 one end respectively, and resistance R69 is another
One end is connected with FET Q12 grid, and the resistance R70 other ends are connected with FET Q11 grid, FET Q11
Source electrode source electrode respectively with FET Q12, resistance R71 one end be connected, the resistance R71 other ends and the second lithium battery part are negative
It is extreme to be connected.
The FET Q11 drain electrode drained respectively with FET Q12, FET Q10 drain electrode, FET Q9
Drain electrode be connected, FET Q10 grid by resistance R66 respectively with resistance R65 one end, resistance R67 one end, the poles of NPN tri-
Pipe VT23 emitter stages, PNP triode VT22 emitter stages are connected, and the resistance R67 other ends are connected with FET Q9 grid, resistance
R65 other ends source electrode respectively with FET Q10, FET Q9 source electrode, triode VT22 colelctor electrodes, NPN triode
VT20 emitter stages, resistance R59 one end, diode D28 anodes, electric capacity C27 negative poles, two-way transient supression diode VP3 one end,
AC/DC Switching Power Supply output cathodes end be connected, triode VT23 base stages respectively with triode VT22 base stages, resistance R62 one end, three
Pole pipe VT20 colelctor electrodes be connected, the resistance R62 other ends respectively with triode VT23 colelctor electrodes, diode D28 negative electrodes, electric capacity C27
Positive pole, resistance R31 one end, resistance R33 one end are connected, and the resistance R33 other ends are cloudy with the resistance R31 other ends, diode D27 respectively
Extremely it is connected, diode D27 anodes are connected with the two-way transient supression diode VP3 other ends, the first lithium battery part positive terminal；Three
Pole pipe VT20 base stages are connected with the resistance R59 other ends, resistance R45 one end respectively, and the resistance R45 other ends pass through backward dioded
D15 is connected with triode VT19 colelctor electrodes.
The electricity that solar panel is sent is sent to national grid by combining inverter, because the power consumption at night is few,
National grid, which has, much abandons electricity, mostly from thermal power plant, wind energy, nuclear power station etc..So after ten one points of night, can pass through
Mobile phone app sends instructions to scheduling system of the present invention（System is connected with the wifi of family in itself）, allow it to close K2, make these
The electric energy that should be slatterned is stored into lithium battery group by AC/DC DC voltage-stabilizings Switching Power Supply and charging and discharging lithium battery controller
In.
When power consumption high period on daytime, such as 9 points -16 points, then sent instructions by mobile phone app to scheduling system, closed
Combination switch K1, allows lithium battery group to be powered also by combining inverter to national grid, due to before using the price and hair for abandoning electricity
The price of electricity has gap, so, user can therefrom benefit.For example, combining inverter capacity is 8000W, if lithium is electric
Pond can send the electricity of 4 hours, then be exactly 32 degree of electricity.The family for installing this system is more, and income is more obvious, because can be with
It is uniformly controlled the charge and discharge for abandoning electricity.
If in peak of power consumption on daytime, family's also electricity consumption, then double power supply automatic transfer switch then keeps normal condition,
The electric energy issued using lithium battery group by ordinary inverter, when abandoning electric more at night, automatic change-over can be redirected,
Standby zero line live wire is jumped to from conventional zero line live wire, seamless electric power switching is realized, supplies household electricity.
It is understood that above with respect to the specific descriptions of the present invention, being merely to illustrate the present invention and being not limited to this
Technical scheme described by inventive embodiments, it will be understood by those within the art that, still can be to present invention progress
Modification or equivalent substitution, to reach identical technique effect；As long as meet use needs, all protection scope of the present invention it
It is interior.
Claims (2)
1. charging and discharging lithium battery controller, including charging signals control section, signal negate part, the charging first via, charging the
Two tunnels, first switch part, lithium battery group and second switch part, it is characterised in that the lithium battery group includes the first lithium battery
Part and the second lithium battery part, charging signals control section control signal output mouth respectively with charge the first via control
The control signal input mouthful that signal input port, signal negate part is connected, and signal negates the control signal output of part
Mouth is connected with the control signal input mouthful on the second tunnel of charging；
The control signal output mouthful for the first via that charges is connected with the control signal input mouthful of first switch part, first switch
Partial electrical energy inputs are connected with AC/DC Switching Power Supply output cathodes end, the electric energy output end of first switch part respectively with
First lithium battery part negative pole end, diode D25 negative electrodes are connected, diode D25 plus earths, the first lithium battery segment anode end
The positive terminal with AC/DC Switching Power Supply output negative poles end, lithium battery group is connected respectively, the negative pole end ground connection of lithium battery group；
The control signal output mouthful on the second tunnel that charges is connected with the control signal input mouthful of second switch part, second switch
Partial electrical energy inputs are connected with AC/DC Switching Power Supply output cathodes end, the electric energy output end of second switch part respectively with
Second lithium battery part negative pole end, diode D26 negative electrodes are connected, diode D26 plus earths, the second lithium battery segment anode end
The positive terminal with AC/DC Switching Power Supply output negative poles end, lithium battery group is connected respectively.
2. charging and discharging lithium battery controller according to claim 1, it is characterised in that the charging signals control section includes
STM32F103C8T6 chips U1, U1 10 pin pass sequentially through resistance R76, address and set connector P3 ground connection, U1 13 pin difference
Be connected with 1 pin of electric capacity C9 one end, infrared receiver connector P2, the electric capacity C9 other ends respectively with ground wire, infrared receiver connector
P2 2 pin, electric capacity C8 one end are connected, and 3 pin, the 3.3V power supplys of the electric capacity C8 other ends respectively with infrared receiver connector P2 are connected；
U1 14 pin connect 3.3V power supplys by forward diode D7, and U1 15 pin connect 3.3V power supplys, the 16 of U1 by forward diode D6
Pin connects 3.3V power supplys by forward diode D5, and U1 17 pin connect 3.3V power supplys by forward diode D4；
U1 5 pin are connected with electric capacity C12 one end, crystal oscillator G1 one end respectively, 6 pin, the electric capacity C13 of the crystal oscillator G1 other ends respectively with U1
One end be connected, the electric capacity C13 other ends by resistance R11 respectively with the electric capacity C12 other ends, ground wire, MAX812 chips D14 1 pin
Be connected, D14 4 pin connect 3.3V power supplys, D14 2 pin connect U1 7 pin by resistance R15, U1 24 pin respectively with inductance L1 mono-
End, U1 36 pin, U1 48 pin, inductance L2 one end, electric capacity C14 one end, electric capacity C15 one end, electric capacity C17 one end are connected, inductance
Another termination 3.3V power supplys of L1,9 pin of the inductance L2 other ends respectively with electric capacity C16 one end, electric capacity C18 one end, U1 are connected, electric capacity
The C14 other ends, the electric capacity C15 other ends, the electric capacity C17 other ends, the electric capacity C16 other ends, electric capacity C18 other ends ground connection；
U1 18 pin are connected with diode D24 negative electrodes, resistance R75 one end, electric capacity C33 one end, resistance R74 one end respectively, two poles
Pipe D24 anodes, the resistance R75 other ends, electric capacity C33 other ends ground connection；The positive pole of the resistance R74 other ends respectively with lithium battery group
End, diode D3 anodes be connected, diode D3 negative electrodes respectively with electric capacity C4 positive poles, electric capacity C5 one end, HT7550-5 chips D1-1
3 pin, HT7550-5 chips D1 3 pin be connected, electric capacity C4 negative poles, the electric capacity C5 other ends ground connection, D1-1 1 pin is respectively with D1's
1 pin, voltage-regulator diode D10 negative electrodes, resistance R1 one end, electric capacity C7 positive poles are connected, voltage-regulator diode D10 anodes, electric capacity C7 negative poles
Ground connection, the resistance R1 other ends 2 pin respectively with D1, D1-1 2 pin, two-way transient supression diode VP1 one end, electric capacity C6 are just
Pole, electric capacity C2 one end, power supply VCC, LM1117MPX-3.3 chip D2 3 pin are connected, and two-way transient supression diode VP1 is another
End, electric capacity C6 negative poles, the electric capacity C2 other ends, D2 1 pin ground connection, D2 2 pin respectively with 3.3V power supplys, electric capacity C1 positive poles, C3 mono-
End is connected, electric capacity C1 negative poles, C3 other ends ground connection.
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Cited By (1)
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| CN107819351A (en) * | 2017-10-30 | 2018-03-20 | 新克科技有限公司 | A kind of solar energy storage control circuit |
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| CN107154638B (en) | 2023-05-02 |
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