CN106451718A - Compound emergency power supply apparatus used for low-temperature start of vehicle - Google Patents
Compound emergency power supply apparatus used for low-temperature start of vehicle Download PDFInfo
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- CN106451718A CN106451718A CN201610829692.XA CN201610829692A CN106451718A CN 106451718 A CN106451718 A CN 106451718A CN 201610829692 A CN201610829692 A CN 201610829692A CN 106451718 A CN106451718 A CN 106451718A
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- circuit
- super capacitor
- voltage
- capacitor group
- blood pressure
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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
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a compound emergency power supply apparatus used for low-temperature start of a vehicle. The compound emergency power supply apparatus comprises a lithium ion battery pack, voltage reduction circuits, a supercapacitor group, a voltage boosting circuit, voltage reduction driving circuits, a voltage boosting driving circuit, a main control chip MCU, signal acquisition modules, a 24V voltage output port and a 5V USB voltage output port, wherein the output ends of the signal acquisition modules are all connected with the main control chip MCU; the main control chip MCU is connected with the voltage reduction driving circuits and the voltage boosting driving circuit separately; the voltage reduction driving circuits are connected with the corresponding voltage reduction circuits; the voltage boosting driving circuit is connected with the voltage boosting circuit; the output end of the lithium ion battery pack, the voltage reduction circuit of the supercapacitor group, the supercapacitor group and the input end of the voltage boosting circuit are connected in series in sequence; the voltage reduction circuits are connected with the 24V voltage output port and the 5V USB voltage output port respectively; the output end of the voltage boosting circuit is connected with a vehicle storage battery; and the signal acquisition modules are also connected with the lithium ion battery pack, the supercapacitor group and the vehicle storage battery respectively.
Description
Technical field
The present invention relates to compound emergency power supply field is and in particular to a kind of compound emergency power supply for vehicle cold-starting
Device.
Background technology
The vehicles such as automobile, tank, when high and cold low temperature environment uses, lead to the electric discharge of vehicle battery because temperature is too low
Ability degradation, vehicle launch arises that storage battery power supply is not enough, ignition times reduce, and may finally lead to the vehicle cannot
Normal starting.In order to start vehicle, generally using prestart first with baking engine prewarming or to being started mechanical irrigation hot water etc. to fall
Method afterwards, these methods are not only arduously time-consuming, once and misoperation, fire, very dangerous.
Super capacitor capacity is big, life-span length, can be -40～70 DEG C with high current fast charging and discharging, operating temperature range,
There is preferable discharge capability under low temperature environment.Lithium ion battery has the high and low self discharge of energy density, good cycle, work
The advantages of wide temperature range, memory-less effect and environmental protection, be high efficient secondary battery most with prospects at present and development
Chemical energy storage power supply the fastest.Gao Lijun exists《One kind is applied to lithium battery super capacitor composite power source device》In disclose compound
Supply unit, advantage is to be combined together the power supply of two kinds of different performance features of lithium battery super capacitor, can be as needed
Export high current small current respectively, shortcoming is that this device cannot be used for starting under vehicle low temperature and using as emergency power supply.Only
It is the composite power source being composed in parallel by super capacitor and vehicle battery although compensate for discharge capability under accumulator low temperature environment
The situation of difference, however it is necessary that modification vehicle interior storage battery line structure, to install a set of new starting system, increased vehicle
Cost.
Content of the invention
For the deficiencies in the prior art, the technical problem that the present invention intends to solve is：Provide one kind to rise for vehicle low temperature
Dynamic compound emergency power supply unit, this device is a set of self-contained unit it is not necessary to change the existing starting system of vehicle, can be used for
Many vehicle cold-startings, and 24V voltage output and 5V USB voltage output are provided, can use as emergency power supply.This
Bright controlled by internal MCU, by gathering super capacitor group voltage and vehicle battery voltage it is ensured that vehicle point at low temperatures
Fire maintains vehicle battery burning voltage and provides high current for vehicle launch in 1～2 second, help vehicle normal starting and prolongation
Service lifetime of accumulator.Apparatus of the present invention do not need to change the current starting system of vehicle, can be directly parallel in during cold-starting
It is used for vehicle launch on vehicle battery, decrease vehicle cost.
The present invention solves this technical problem and is adopted the technical scheme that：
A kind of compound emergency power supply unit for vehicle cold-starting, the composition of this device include Li-ion batteries piles,
Reduction voltage circuit, super capacitor group, booster circuit, blood pressure lowering drive circuit, booster driving circuit, main control chip MCU, signals collecting mould
Block, 24V voltage output and 5V USB voltage output；
The outfan of described signal acquisition module is all connected with main control chip MCU, and main control chip MCU is driven with blood pressure lowering respectively
Circuit, booster driving circuit are connected；Blood pressure lowering drive circuit is connected with reduction voltage circuit, and booster driving circuit is connected with booster circuit；
Li-ion batteries piles, super capacitor group reduction voltage circuit, super capacitor group and booster circuit are sequentially connected in series, reduction voltage circuit also respectively with
24V voltage output, 5V USB voltage output are connected；The outfan of booster circuit is connected with vehicle battery；Signals collecting
Module is also connected with Li-ion batteries piles, super capacitor group and vehicle battery respectively；
Described reduction voltage circuit includes super capacitor group reduction voltage circuit, 24V reduction voltage circuit and 5V reduction voltage circuit, and three is each only
Vertical, be all connected with Li-ion batteries piles, the outfan of 24V reduction voltage circuit is connected with 24V voltage, the outfan of 5V reduction voltage circuit and
5VUSB voltage is connected；Super capacitor group reduction voltage circuit is connected with super capacitor group；Super capacitor group reduction voltage circuit, 5V blood pressure lowering electricity
Road, 24V reduction voltage circuit structure identical；
Described blood pressure lowering drive circuit includes super capacitor group blood pressure lowering drive circuit, 24V blood pressure lowering drive circuit and 5V blood pressure lowering and drives
Galvanic electricity road, wherein, super capacitor group blood pressure lowering drive circuit is connected with super capacitor group reduction voltage circuit, 24V blood pressure lowering drive circuit with
24V reduction voltage circuit is connected, and 5V blood pressure lowering drive circuit is connected with 5V reduction voltage circuit；Booster driving circuit, 24V blood pressure lowering drive circuit and
5V blood pressure lowering drive circuit is all identical with the structure of super capacitor group blood pressure lowering drive circuit；
Described signal acquisition module include Li-ion batteries piles voltage collection circuit, super capacitor group voltage collection circuit and
Vehicle battery voltage collection circuit；They are all individually connected with main control chip MCU；Meanwhile, Li-ion batteries piles voltage acquisition
Circuit is connected with Li-ion batteries piles, and super capacitor group voltage collection circuit is connected with super capacitor group, vehicle battery voltage
Acquisition Circuit is connected with vehicle battery；
Super capacitor is monomer series-connected forms by 8 sections for described super capacitor group.
The composition of described super capacitor group blood pressure lowering drive circuit includes+5V power supply ,+15V power supply, driving chip U1, electricity
Resistance R1, resistance R2, resistance R3, resistance R4, electric capacity C1, electric capacity C2 and diode D1, wherein ,+5V power supply is connected with the S1 pin of U1
Connect, the S5 pin of U1, W2 pin, one end of electric capacity C2 are all grounded, the S3 pin of one end of resistance R1, one end of resistance R2 and U1
Meet main control chip MCU respectively, the other end of resistance R1, the other end of resistance R2 are connected with the S2 pin of U1, the S4 pin of U1 respectively
Connect, one end of resistance R3, one end of resistance R4 are connected with the W6 pin of U1, the W1 pin of U1 respectively, the other end of resistance R3, electricity
The other end of resistance R4 is connected with super capacitor group reduction voltage circuit, and the other end of electric capacity C2, one end of diode D1 ,+15V power supply are equal
It is connected with the W3 pin of U1, one end of electric capacity C1 is connected with the W4 pin of U1, the other end of electric capacity C1 and diode D1's is another
End is all connected with the W5 pin of U1.
The composition of described booster circuit includes inductance L1, MOSFET pipe Q1, protective tube F1, varistor RV1, filtered electrical
Hold C3, bypass resistance R5, by-pass switch K1 and diode D2, wherein, the positive pole U of a termination super capacitor group of inductance L1C, electricity
The other end of sense L1 is connected with one end of protective tube F1, the D pole (drain electrode) of MOSFET pipe Q1 simultaneously；G pole (the grid of MOSFET pipe Q1
Pole) it is connected with booster driving circuit, the other end of protective tube F1, one end of varistor RV1, one end of filter capacitor C3, side
One end of road resistance R5 is all connected with one end of by-pass switch K1, the other end of bypass resistance R5, the other end of by-pass switch K1
It is connected with one end of diode D2, the other end of diode D2 meets the positive pole U of vehicle batteryBAT, the S pole (source of MOSFET pipe Q1
Pole), the negative pole GND of another termination super capacitor group of the other end of varistor RV1 and filter capacitor C3 and vehicle battery
Negative pole GND.
The composition of described 24V reduction voltage circuit includes MOSFET pipe Q2, diode D3, inductance L2 and electric capacity C4, wherein,
The D pole (drain electrode) of MOSFET pipe Q2 meets Li-ion batteries piles positive pole UB, the S pole (source electrode) of MOSFET pipe Q2 and the one of diode D3
One end of end and inductance L2 connects, and the G pole (grid) of MOSFET pipe Q2 is connected with the outfan of 24V blood pressure lowering drive circuit, inductance
Another termination capacitor C4 of L2 and 24V voltage output U1, another termination lithium ion of the other end of diode D3 and electric capacity C4
The negative pole of set of cells.
Compared with prior art, the present invention possesses following beneficial effect：
(1) present invention proposes the compound emergency power supply unit for vehicle cold-starting, is controlled by the internal MCU of device, should
Device passes through Li-ion batteries piles voltage, super capacitor group in harvester on the premise of not changing vehicle interior starting system
Voltage and vehicle battery voltage carry out closed loop control it is ensured that vehicle ignition maintained vehicle electric power storage in 1～2 second at low temperatures
Pond burning voltage and provide high current for vehicle launch, reduces the repacking cost that brings of vehicle start system, improves vehicle
The reliability of emergency starting at low temperature；Device internal circuit configuration and the connecting interface providing for accumulator can prevent
When device is connected with accumulator, reversal connection or magnitude dangerous situation of burning with anger are it is ensured that the stability of device and safety.
(2) present invention adopts the compound emergency power supply of lithium ion battery and super capacitor, using super capacitor in low temperature ring
There is the characteristic of preferable discharge capability under border, therefore instant invention overcomes when vehicle is in low temperature environment, battery discharging ability is poor
The shortcoming not enough with starting capability, it is to avoid the over-discharge phenomenon of accumulator, plays very big protective effect, extends to accumulator
The service life of accumulator.Utilize the high and low self discharge of lithium ion battery energy density, good cycle, operating temperature model simultaneously
Enclose wide advantage, thus the present invention can provide simultaneously two kinds of emergency power supplies of 24V and 5V and can for super capacitor group charge with
It is made to maintain under certain voltage.
(3) present invention is simple and practical, conveniently installs and unloading, can be used for many vehicle cold-startings and is used as to answer urgent telegram
Source is it is easy to popularizing and promoting.
Brief description
Fig. 1 is the structural schematic block diagram of apparatus of the present invention；
Fig. 2 is the composition schematic diagram of the super capacitor group blood pressure lowering drive circuit 5-1 of apparatus of the present invention；
Fig. 3 is that the booster circuit 4 of apparatus of the present invention is constituted and connection diagram；
Fig. 4 is that the 24V reduction voltage circuit 2-2 of apparatus of the present invention is constituted and connection diagram；
Fig. 5 is for vehicle cold-starting control program schematic flow sheet in the main control chip MCU of apparatus of the present invention.
In figure, 1. Li-ion batteries piles, 2. reduction voltage circuit, 3. super capacitor group, 4. booster circuit, 5. blood pressure lowering driving electricity
Road, 6. booster driving circuit, 7. main control chip MCU, 8. signal acquisition module, 9.24V voltage output, 10.5V USB voltage
Delivery outlet, 11. vehicle batteries；2-1. super capacitor group reduction voltage circuit, 2-2.24V reduction voltage circuit, 2-3.5V reduction voltage circuit；5-
1. super capacitor group blood pressure lowering drive circuit, 5-2.24V blood pressure lowering drive circuit, 5-3.5V blood pressure lowering drive circuit；8-1. lithium-ion electric
Pond group voltage collection circuit, 8-2. super capacitor group voltage collection circuit, 8-3. vehicle battery voltage collection circuit.
Specific embodiment
Embodiment illustrated in fig. 1 shows, dotted line inframe is used for the compound emergency power supply unit of vehicle cold-starting for the present invention,
This device includes Li-ion batteries piles 1, reduction voltage circuit 2, super capacitor group 3, booster circuit 4, blood pressure lowering drive circuit 5, boosting drive
Galvanic electricity road 6, main control chip MCU 7, signal acquisition module 8,24V voltage output 9 and 5V USB voltage output 10；
The outfan of described signal acquisition module 8 is all connected with main control chip MCU 7, main control chip MCU 7 respectively with fall
Pressure drive circuit 5, booster driving circuit 6 are connected；Blood pressure lowering drive circuit 5 is connected with reduction voltage circuit 2, booster driving circuit 6 with rise
Volt circuit 4 is connected；The outfan of Li-ion batteries piles 1, super capacitor group reduction voltage circuit 2, super capacitor group 3 and booster circuit 4
Input be sequentially connected in series, reduction voltage circuit 2 is also connected with 24V voltage output 9 and 5V USB voltage output 10 respectively；Boosting
The outfan of circuit 4 is connected with vehicle battery 11；Signal acquisition module 8 is also respectively at Li-ion batteries piles 1, super capacitor group
3 and vehicle battery 11 connect.
The monomer nominal voltage of the lithium ion battery in described Li-ion batteries piles 1 is 3.7V, is that two Battery packs are in parallel,
Every Battery pack is the monomer series-connected of 7 lithium ion batteries, and Li-ion batteries piles initial virtual voltage summation is about 25.8V.
Described reduction voltage circuit 2 includes super capacitor group reduction voltage circuit 2-1,24V reduction voltage circuit 2-2 and 5V reduction voltage circuit 2-3,
Three is each independent, is all connected with Li-ion batteries piles 1, the outfan of 24V reduction voltage circuit 2-2 and 24V voltage output 9 phase
Even, the outfan of 5V reduction voltage circuit 2-3 is connected with 5V USB voltage output 10；Super capacitor group reduction voltage circuit 2-1 with super
Capacitance group 3 is connected；
Described blood pressure lowering drive circuit 5 includes super capacitor group blood pressure lowering drive circuit 5-1,24V blood pressure lowering drive circuit 5-2 and 5V
Blood pressure lowering drive circuit 5-3, wherein, super capacitor group blood pressure lowering drive circuit 5-1 is connected with super capacitor group reduction voltage circuit 2-1,24V
Blood pressure lowering drive circuit 5-2 is connected with 24V reduction voltage circuit 2-2, and 5V blood pressure lowering drive circuit 5-3 is connected with 5V reduction voltage circuit 2-3；
Embodiment illustrated in fig. 2 shows, the present invention is used for the super capacitor of the compound emergency power supply unit of vehicle cold-starting
The circuit of group blood pressure lowering drive circuit 5-1 constitutes and connected mode is：The composition of super capacitor group blood pressure lowering drive circuit includes+5V electricity
Source ,+15V power supply, driving chip U1, resistance R1, resistance R2, resistance R3, resistance R4, electric capacity C1, electric capacity C2 and diode D1, its
In, the driving chip U1 of drive circuit is a RS2110S chip, and+5V power supply is connected with the S1 pin of U1, the S5 pin of U1,
One end of the W2 pin of U1 and electric capacity C2 is all grounded, and the S3 pin of one end of resistance R1, one end of resistance R2 and U1 meets master respectively
Control chip MCU7, the other end of resistance R1, the other end of resistance R2 are connected with the S2 pin of U1, the S4 pin of U1 respectively, resistance
One end of R3, one end of resistance R4 are connected with the W6 pin of U1, the W1 pin of U1 respectively, and the other end of resistance R3 is with resistance R4's
The other end is connected with super capacitor group reduction voltage circuit 2-1, the other end of electric capacity C2, one end of diode D1 ,+15V power supply all with
The W3 pin of U1 connects, and one end of electric capacity C1 is connected with the W4 pin of U1, the other end of the other end of electric capacity C1 and diode D1
All it is connected with the W5 pin of U1.
The operation principle of the drive circuit 5-1 of super capacitor group blood pressure lowering shown in Fig. 2 is：Main control chip MCU 7 through resistance R1 and
Resistance R2 connects the S2 pin of U1 and S4 pin to control W6 pin and the W1 pin of U1, the U1 when the S3 pin of U1 is high level
Quit work.Main control chip MCU 7 is entered to super capacitor group reduction voltage circuit 2-1 by the W6 pin output of U1 and the output of W1 pin
Row controls, and to charge for super capacitor group 3.
Described signal acquisition module 8 includes Li-ion batteries piles voltage collection circuit 8-1, super capacitor group voltage acquisition electricity
Road 8-2 and vehicle battery voltage collection circuit 8-3 is known circuits；They are all individually connected with main control chip MCU 7；With
When, Li-ion batteries piles voltage collection circuit 8-1 is connected with Li-ion batteries piles 1, super capacitor group voltage collection circuit 8-2 with
Super capacitor group 3 connects, and vehicle battery voltage collection circuit 8-3 is connected with vehicle battery 11.Signal acquisition module 8 is adopted
All signals of collection are all input in main control chip MCU 7；Described blood pressure lowering drive circuit 5 and booster driving circuit 6 adopt
RS2110S carries out drives, and using PIC18F25K80 and there is control program inside to main control chip MCU 7.
The switching signal of described reduction voltage circuit 2 is provided by blood pressure lowering drive circuit 5, and the output voltage of reduction voltage circuit 2 is by master control
Chip MCU 7 is given by blood pressure lowering drive circuit 5, and the switching signal of booster circuit 4 is provided by booster driving circuit 6, rises
The output voltage of volt circuit 4 is given by booster driving circuit 6 by main control chip MCU 7.Device draws 24V voltage output
10 mouthfuls of 9 and 5V USB voltage output of mouth uses as emergency power supply.Vehicle battery 11 extracting power supply cord and ground wire, by boosting
The outfan of circuit 4 is connected with device.
The nominal voltage of the super capacitor monomer in described super capacitor group 3 is 2.7V, using 8 section series connection, initially actual
Voltage is in 24.3V.
Embodiment illustrated in fig. 3 shows, the present invention is used for the booster circuit 4 of the compound emergency power supply unit of vehicle cold-starting
Circuit constitute and connected mode be：Two outfans of super capacitor group 3 are respectively positive pole UCWith negative pole GND, super capacitor
The positive pole U of group 3CWith negative pole GND through booster circuit 4 and vehicle battery 11 positive pole UBATIt is connected with negative pole GND.Rise piezoelectricity
The circuit composition on road 4 includes inductance L1, MOSFET pipe Q1, protective tube F1, varistor RV1, filter capacitor C3, bypass resistance
R5, by-pass switch K1 and diode D2, wherein, the positive pole U of a termination super capacitor group of inductance L1C, the other end of inductance L1
It is connected with one end of protective tube F1, the D pole (drain electrode) of MOSFET pipe Q1, the G pole (grid) of MOSFET pipe Q1 is driven with boosting simultaneously
Galvanic electricity road 6 connects, the other end of protective tube F1, one end of varistor RV1, one end of filter capacitor C3, bypass resistance R5
One end is all connected with one end of by-pass switch K1, the other end of bypass resistance R5, the other end of by-pass switch K1 and diode D2
One end connect, the other end of diode D2 meets the positive pole U of vehicle batteryBAT, the S pole (source electrode) of MOSFET pipe Q1, pressure-sensitive electricity
The other end of resistance RV1 and the negative pole GND of another termination super capacitor group of the filter capacitor C3 and negative pole GND of vehicle battery.
The operation principle of booster circuit 4 shown in Fig. 3 is：Main control chip MCU 7 controls MOSFET by booster driving circuit 6
Pipe Q1 opens and turns off control device output voltage.When the both end voltage of varistor RV1 exceedes the threshold of varistor RV1
During threshold voltage, producing short-circuit effect makes fuse F1 work disconnecting circuit, and protection device is from the harm of overvoltage.By-pass switch
K1 is initially in off-state, and bypass resistance works, and prevents device and vehicle battery and connects moment and works the mischief operation
The danger phenomenon such as personnel's personal safety.When main control chip MCU 7 detects super capacitor group voltage and vehicle battery voltage phase
Deng after, main control chip MCU7 controls by-pass switch K1 conducting, and device sends information simultaneously, points out vehicle now can light a fire
Start, simultaneously pass through control MOSFET pipe Q1 open with shutoff ensure igniting 1～2 second in maintain vehicle battery voltage steady
Determine and provide high current when starting for vehicle battery.The anti-locking apparatus of diode D2 and reverse connection of accumulator.
Embodiment illustrated in fig. 4 shows, the present invention is used for the 24V blood pressure lowering electricity of the compound emergency power supply unit of vehicle cold-starting
The circuit of road 2-2 is constituted and connected mode is：The composition of 24V reduction voltage circuit 2-2 includes MOSFET pipe Q2, diode D3, inductance
L2 and electric capacity C4, wherein, the D pole (drain electrode) of MOSFET pipe Q2 meets Li-ion batteries piles positive pole UB, the S pole (source of MOSFET pipe Q2
Pole), one end of diode D3 be connected with one end of inductance L2, the G pole (grid) of MOSFET pipe Q2 and 24V blood pressure lowering drive circuit 5-
2 outfan connection, another termination capacitor C4 of inductance L2 and 24V voltage output U1, the other end of diode D3 and electric capacity
The negative pole of another termination Li-ion batteries piles of C4.Through 24V reduction voltage circuit 2-2, its output end voltage can be stablized in 24V simultaneously
Use as 24V emergency power supply.
Super capacitor group reduction voltage circuit 2-1 is identical with the structure of 24V reduction voltage circuit 2-2 with 5V reduction voltage circuit 2-3, so not having
It is further described.
Booster driving circuit 6 and 5-2 with 5-3 are identical with the structure of super capacitor group blood pressure lowering drive circuit 5-1, so
It is not further described.
The circuit structure of three kinds of drive circuits is the same, and it is different that effect is not both driven reduction voltage circuit.Three kinds of blood pressure lowering electricity
The circuit structure on road is the same, and effect difference is because that the signal difference that main control chip MCU7 provides leads to effect different.
Embodiment illustrated in fig. 5 shows, the present invention is used for the compound emergency power supply unit of vehicle cold-starting for vehicle
Control program flow process in main control chip MCU 7 during cold-starting is：Start → define and initialize each control parameter → connection
Vehicle battery？
No → to connect vehicle battery？
It is → adjusting means voltage collection voltages signal → super-capacitor voltage=battery tension？
No → adjusting means voltage collection voltages signal → super-capacitor voltage=battery tension？
Be → open by-pass switch and point out igniting → ignition start.
When using at low temperatures, vise the both positive and negative polarity of vehicle battery with two connecting lines, then connecting line is another
Outer two ends are connected to compound emergency power supply unit, and compound emergency power supply unit inside chip is checking whether connection vehicle electric power storage always
Pond.After successful connection, device is started working.The internal booster driving circuit 6 of device and booster circuit 4 work make super capacitor group electricity
Pressure following vehicle battery tension, when main control MCU 7 detect super capacitor group voltage equal with vehicle battery voltage after, lead
Control chip MCU7 controls by-pass switch K1 conducting, and device sends information simultaneously, and prompting vehicle now can be same with ignition start
When by control MOSFET pipe Q1 open with shutoff ensure igniting 1～2 second in maintain vehicle battery voltage stabilization and
High current is provided for vehicle battery during starting.After ignition trigger success, close compound emergency power supply and disconnect and vehicle electric power storage
The line in pond.
Unaccomplished matter of the present invention is known technology.
Claims (4)
1. a kind of compound emergency power supply unit for vehicle cold-starting, it is characterized by the composition of this device includes lithium-ion electric
Pond group, reduction voltage circuit, super capacitor group, booster circuit, blood pressure lowering drive circuit, booster driving circuit, main control chip MCU, signal
Acquisition module, 24V voltage output and 5V USB voltage output；
The outfan of described signal acquisition module is all connected with main control chip MCU, and main control chip MCU drives electricity with blood pressure lowering respectively
Road, booster driving circuit are connected；Blood pressure lowering drive circuit is connected with reduction voltage circuit, and booster driving circuit is connected with booster circuit；Lithium
Ion battery group, super capacitor group reduction voltage circuit, super capacitor group and booster circuit are sequentially connected in series, reduction voltage circuit also respectively with
24V voltage output, 5V USB voltage output are connected；The outfan of booster circuit is connected with vehicle battery；Signals collecting
Module is also connected with Li-ion batteries piles, super capacitor group and vehicle battery respectively；
Described reduction voltage circuit includes super capacitor group reduction voltage circuit, 24V reduction voltage circuit and 5V reduction voltage circuit, and three is each independent,
All be connected with Li-ion batteries piles, the outfan of 24V reduction voltage circuit is connected with 24V voltage, the outfan of 5V reduction voltage circuit with
5VUSB voltage is connected；Super capacitor group reduction voltage circuit is connected with super capacitor group；Super capacitor group reduction voltage circuit, 5V blood pressure lowering electricity
Road, 24V reduction voltage circuit structure identical；
Described blood pressure lowering drive circuit includes super capacitor group blood pressure lowering drive circuit, 24V blood pressure lowering drive circuit and 5V blood pressure lowering and drives electricity
Road, wherein, super capacitor group blood pressure lowering drive circuit is connected with super capacitor group reduction voltage circuit, and 24V blood pressure lowering drive circuit is dropped with 24V
Volt circuit is connected, and 5V blood pressure lowering drive circuit is connected with 5V reduction voltage circuit；Booster driving circuit, 24V blood pressure lowering drive circuit and 5V fall
Pressure drive circuit is all identical with the structure of super capacitor group blood pressure lowering drive circuit；
Described signal acquisition module includes Li-ion batteries piles voltage collection circuit, super capacitor group voltage collection circuit and vehicle
Battery tension Acquisition Circuit；They are all individually connected with main control chip MCU；Meanwhile, Li-ion batteries piles voltage collection circuit
It is connected with Li-ion batteries piles, super capacitor group voltage collection circuit is connected with super capacitor group, vehicle battery voltage acquisition
Circuit is connected with vehicle battery；
Super capacitor is monomer series-connected forms by 8 sections for described super capacitor group.
2. it is used for the compound emergency power supply unit of vehicle cold-starting as claimed in claim 1, it is characterized by described is super
The composition of capacitance group blood pressure lowering drive circuit include+5V power supply ,+15V power supply, driving chip U1, resistance R1, resistance R2, resistance R3,
Resistance R4, electric capacity C1, electric capacity C2 and diode D1, wherein ,+5V power supply is connected with the S1 pin of U1, and the S5 pin of U1, W2 draw
Foot, one end of electric capacity C2 are all grounded, and the S3 pin of one end of resistance R1, one end of resistance R2 and U1 meets main control chip MCU respectively,
The other end of resistance R1, the other end of resistance R2 are connected with the S2 pin of U1, the S4 pin of U1 respectively, one end of resistance R3, electricity
Resistance R4 one end be connected with the W6 pin of U1, the W1 pin of U1 respectively, the other end of resistance R3, the other end of resistance R4 with super
Capacitance group reduction voltage circuit connects, and the other end of electric capacity C2, one end of diode D1 ,+15V power supply are all connected with the W3 pin of U1,
One end of electric capacity C1 is connected with the W4 pin of U1, and the other end of the other end of electric capacity C1 and diode D1 is all connected with the W5 pin of U1
Connect.
3. it is used for the compound emergency power supply unit of vehicle cold-starting as claimed in claim 1, it is characterized by described boosting
The composition of circuit includes inductance L1, MOSFET pipe Q1, protective tube F1, varistor RV1, filter capacitor C3, bypass resistance R5, side
Way switch K1 and diode D2, wherein, the positive pole U of a termination super capacitor group of inductance L1C, the other end of inductance L1 simultaneously with
One end of protective tube F1, the D pole (drain electrode) of MOSFET pipe Q1 are connected；The G pole (grid) of MOSFET pipe Q1 and booster driving circuit
Connect, the other end of protective tube F1, one end of varistor RV1, one end of filter capacitor C3, bypass resistance R5 one end all with
One end of by-pass switch K1 connects, and one end of the other end of bypass resistance R5, the other end of by-pass switch K1 and diode D2 is even
Connect, the other end of diode D2 meets the positive pole U of vehicle batteryBAT, the S pole (source electrode) of MOSFET pipe Q1, varistor RV1
The other end and the negative pole GND of another termination super capacitor group of the filter capacitor C3 and negative pole GND of vehicle battery.
4. it is used for the compound emergency power supply unit of vehicle cold-starting as claimed in claim 1, it is characterized by described 24V fall
The composition of volt circuit includes MOSFET pipe Q2, diode D3, inductance L2 and electric capacity C4, wherein, the D pole (drain electrode) of MOSFET pipe Q2
Meet Li-ion batteries piles positive pole UB, the S pole (source electrode) of MOSFET pipe Q2 is connected with one end of diode D3 and one end of inductance L2,
The G pole (grid) of MOSFET pipe Q2 is connected with the outfan of 24V blood pressure lowering drive circuit, another termination capacitor C4 of inductance L2 and
24V voltage output U1, the negative pole of another termination Li-ion batteries piles of the other end of diode D3 and electric capacity C4.
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| CN201610829692.XA CN106451718A (en) | 2016-09-14 | 2016-09-14 | Compound emergency power supply apparatus used for low-temperature start of vehicle |
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| CN201610829692.XA CN106451718A (en) | 2016-09-14 | 2016-09-14 | Compound emergency power supply apparatus used for low-temperature start of vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108964205A (en) * | 2018-08-20 | 2018-12-07 | 广州驰扬电气机械有限公司 | Driving circuit and aroma diffusing equipment |
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| JP4133735B2 (en) * | 2003-10-27 | 2008-08-13 | ソニー株式会社 | Battery pack |
| CN202978396U (en) * | 2012-12-06 | 2013-06-05 | 辽宁百纳电气有限公司 | Super-capacitor automobile engine starting device |
| CN103795115A (en) * | 2014-01-26 | 2014-05-14 | 华南理工大学 | Portable vehicle-mounted stand-by electric source |
| CN105667430A (en) * | 2015-03-25 | 2016-06-15 | 深圳太研能源科技有限公司 | Starting control device, system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4133735B2 (en) * | 2003-10-27 | 2008-08-13 | ソニー株式会社 | Battery pack |
| CN202978396U (en) * | 2012-12-06 | 2013-06-05 | 辽宁百纳电气有限公司 | Super-capacitor automobile engine starting device |
| CN103795115A (en) * | 2014-01-26 | 2014-05-14 | 华南理工大学 | Portable vehicle-mounted stand-by electric source |
| CN105667430A (en) * | 2015-03-25 | 2016-06-15 | 深圳太研能源科技有限公司 | Starting control device, system and method |
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| CN108964205A (en) * | 2018-08-20 | 2018-12-07 | 广州驰扬电气机械有限公司 | Driving circuit and aroma diffusing equipment |
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