CN209184285U - A kind of accumulator with High Output Current - Google Patents

Abstract

The utility model discloses a kind of accumulators with High Output Current; it includes the battery being sequentially connected in series, charge and discharge protecting module, lifting die block, farad super capacitor; with the input module of connection lifting die block; and the controller of connection lifting die block and input module, the discharge current that the utility model can provide moment up to 100A or more are powered to vehicle launch machine；It is had the advantage that compared with prior art first is that security and reliability increases very much, the storage energy of capacitor is held time short, and consumption is fast, not will cause and is continued energy output as battery and lead to explosion on fire etc.；Second is that the requirement to battery declines, while the service life of battery is also extended, and common battery can be used；Big with instantaneous output current, battery redundancy is small, advantage at low cost；It can be widely used in and need in the short time in the equipment of output high current.

Description

A kind of accumulator with High Output Current

Technical field

The utility model relates to accumulator more particularly to a kind of accumulators with High Output Current.

Background technique

For automobile in igniting, interior accumulator needs moment to export powerful electric current, to reach this purpose, starting electricity Pond all has to the power battery core using high-discharge-rate, and the power battery core of high-discharge-rate is with high costs；Automobile is at it simultaneously In his, operating current is again smaller time.So having redundancy larger, higher cost scarce using the power battery core of high-discharge-rate It falls into.

Therefore, it is big how to design a kind of short time interior output electric current, and battery redundancy is small, accumulator at low cost is industry Boundary's technical problem urgently to be resolved.

Utility model content

In order to solve drawbacks described above existing in the prior art, the utility model proposes a kind of storages with High Output Current It can circuit.

The technical solution adopted in the utility model is to design a kind of accumulator with High Output Current comprising successively Concatenated battery, charge and discharge protecting module, lifting die block, farad super capacitor, and the input module of connection lifting die block, And the controller of connection lifting die block and input module, wherein the battery, for storing direct current energy；The charge and discharge Protective module is switched on or switched off battery according to cell voltage and goes up and down the connection of die block for detecting cell voltage；The liter Voltage reduction module, direct current for inputting to input module carry out after amplitude transformation through charge and discharge protecting module deposit battery, Or a farad super capacitor will be defeated by after the direct current progress amplitude transformation in battery；The farad super capacitor is used for outside Export big flow electric current；The input module, for inputting external electric energy；The controller, for control lifting die block and Input module work.

Accumulator further includes the output module for connecting the lifting die block, control of the output module in the controller The load outside die block connection will be gone up and down under system, controller control lifting die block powers to the load.

The lifting die block has first interface and second interface, and the first interface connects the charge and discharge protecting mould Block, the second interface simultaneously connect the farad super capacitor, input module and output module.

The lifting die block includes the 51st metal-oxide-semiconductor and the 52nd metal-oxide-semiconductor controlled by the controller, wherein The source electrode of 52nd metal-oxide-semiconductor connects the cathode of the first interface and diode, and the source electrode of the 51st metal-oxide-semiconductor is grounded, the One end of the first inductance L1 of the common connection of drain electrode of 51 metal-oxide-semiconductors and the 52nd metal-oxide-semiconductor, the other end connection of the first inductance The second interface, the anode of the drain electrode connection diode of the 52nd metal-oxide-semiconductor.

The battery includes concatenated first battery, the second battery and third battery, and the anode of the battery passes through anode Conducting wire connects the lifting die block, and the cathode of battery is grounded by cathode conductor；The charge and discharge protecting module includes detection The first detection module of first cell voltage, the second detection module for detecting the second cell voltage and detection third cell voltage Third detection module, and the 16th metal-oxide-semiconductor being serially connected in the cathode conductor and the 15th metal-oxide-semiconductor, first, second and Three detection modules detect driving the 15th when having the voltage of any battery to be higher than HVT high voltage threshold in the first, second, and third battery Metal-oxide-semiconductor cut-off, the first, second, and third detection module detect the voltage for having any battery in the first, second, and third battery The cut-off of the 16th metal-oxide-semiconductor is driven when lower than low pressure threshold.

The input module includes USB jack, the input power cord for connecting USB jack, is serially connected in input power cord First metal-oxide-semiconductor and the 19th metal-oxide-semiconductor and the input voltage measurement module for connecting input power cord, the input voltage measurement Input voltage is fed back to the controller by module, and controller controls the first metal-oxide-semiconductor and the 19th metal-oxide-semiconductor according to input voltage On-off.

The output module includes USB jack, the output power line for connecting USB jack, is serially connected in output power line 8th metal-oxide-semiconductor and the load detecting module for connecting USB jack, the load detecting module detection are plugged in USB jack Loadtype, and loadtype is transferred to the controller, controller controls lifting die block to load according to loadtype Power supply.

The output power line is also connected with the first filter capacitor group in the end for connecting the lifting die block, and described first Filter capacitor group includes the 7th capacitor, the 8th capacitor, the 9th capacitor and the tenth capacitor in parallel.

The end that the positive wire connects the lifting die block is also connected with the second filter capacitor group, second filtering Capacitance group includes first capacitor, the second capacitor, third capacitor and electrolytic capacitor in parallel.

The discharge current that the utility model can provide moment up to 100A or more is powered to vehicle launch machine；With the prior art Compared to having the advantage that first is that security and reliability increases very much, the storage energy of capacitor is held time short, and consumption is fast, Not will cause the lasting energy output as battery leads to explosion on fire etc.；Second is that the requirement to battery declines, while also prolonging The service life of battery has been grown, and common battery can be used；Big with instantaneous output current, battery redundancy is small, cost Low advantage；It can be widely used in and need in the short time in the equipment of output high current；The utility model is in charge circuit With a set of lifting die block public in discharge loop, circuit cost is greatly saved, is conducive to device miniaturization, high power density Change.

Detailed description of the invention

The utility model is described in detail below with reference to embodiment and attached drawing, in which:

Fig. 1 is the functional block diagram of preferred embodiment；

Fig. 2 is the circuit diagram of preferred embodiment lifting die block；

Fig. 3 is the circuit diagram of preferred embodiment battery and charge and discharge protecting module；

Fig. 4 is the circuit diagram that preferred embodiment outputs and inputs module and farad super capacitor；

Fig. 5 is the circuit diagram of preferred embodiment control module.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, is described in further detail the utility model.It should be appreciated that specific embodiment described herein is used only for explaining this Utility model is not used to limit the utility model.

The utility model discloses a kind of accumulators with High Output Current, referring to functional block diagram shown in fig. 1, storage Energy circuit includes the battery being sequentially connected in series, charge and discharge protecting module, lifting die block, farad super capacitor, and connection buck The input module of module, and the controller of connection lifting die block and input module.The wherein battery, for storing direct current Electric energy；The charge and discharge protecting module is switched on or switched off battery and lifting pressing mold according to cell voltage for detecting cell voltage The connection of block；The lifting die block, the direct current for inputting to input module are protected after carrying out amplitude transformation by charge and discharge It protects module and is stored in battery, or be defeated by a farad super capacitor after the direct current in battery is carried out amplitude transformation；The farad is super Capacitor, for being output to the outside big flow electric current；The input module, for inputting external electric energy；The controller, for controlling System lifting die block and input module work.

It is illustrated so that this accumulator on automobile when using as an example, first external power supply connection input module input electricity Can, direct current energy is stored in by battery by charge and discharge protecting module after lifting die block progress amplitude transformation；When in use, battery In direct current energy be conveyed to lifting die block, lifting die block charges after carrying out amplitude transformation to farad super capacitor, farad The starter motor of super capacitor connection automotive ignition.The characteristics of farad super capacitor is that charging rate is fast, and large current discharging capability is super By force.After farad super capacitor is fully charged, the leakage current that moment can provide 100A or more is powered to vehicle launch machine.

It may be noted that input module can connect external DC power supply, external AC power source, connection also can connect It needs to increase rectification function in input module when AC power source.

In the preferred embodiment, accumulator further includes the output module for connecting the lifting die block, the output module The load outside die block connection will be gone up and down under the control of the controller, controller control lifting die block is supplied to load Electricity.Circuit whereby, people can give the electronic equipments such as mobile phone, tablet computer to charge in the car.

In the preferred embodiment, the lifting die block has first interface and second interface, the first interface connection The charge and discharge protecting module, the second interface simultaneously connect the farad super capacitor, input module and output module.Whereby, In charge circuit and discharge loop circuit cost can be greatly saved, it is small to be conducive to equipment with public a set of lifting die block Type, high power density.

Referring to Fig. 2 shows preferred embodiment lifting die block circuit diagram, the lifting die block includes by the control The 51st metal-oxide-semiconductor Q51 and the 52nd metal-oxide-semiconductor Q52 of device control processed, wherein described in the source electrode connection of the 52nd metal-oxide-semiconductor The cathode of first interface and diode D1, the source electrode ground connection of the 51st metal-oxide-semiconductor, the 51st metal-oxide-semiconductor and the 52nd metal-oxide-semiconductor The first inductance L1 of the common connection of drain electrode one end, the other end of the first inductance connects the second interface, the 52nd metal-oxide-semiconductor Drain electrode connection diode D1 anode.In the preferred embodiment, the 51st metal-oxide-semiconductor Q51 and the 52nd metal-oxide-semiconductor Q52 are adopted (Q5) is managed with double power MOS, the core of Q5 and the first inductance L1 and the capacity cell of rear class composition buck are driven Dynamic frequency and output parameter are controlled by controller (U6 MCU), and controller exports one group of synchronized signal to the two of Q51 and Q52 G grades of a control, OUT-H are that high level drives mouth, and OUT-L is low level driving mouth, or is simultaneously high/low level.When When OUT-H output pulse signal low level, Q52 conducting, battery is by the first inductance L1 to rear class capacitor (the in Fig. 4 at this time Seven to the tenth capacitors (C7, C8, C9, C10) and farad super capacitor SC1) charging, while OUT-L exports low level, Q51 Cut-off；When OUT-H output pulse signal high level, Q52 ends, at this time battery and the first inductance L1 and the 7th to the tenth Capacitor, farad super capacitor SC1 disconnect charging, while OUT-L exports high level, Q51 conducting, the left end of the first inductance L1 Ground connection, inductance magnetic energy is converted to power output to capacitor charging at this time；The arteries and veins of OUT-H and OUT-L is adjusted by controller Duty ratio is rushed, controls the charging and discharging time constant of L1 and capacitor, adjusting output voltage is in 5-12V, in this energy storage electricity 3 kinds of voltage modes of fixed output, i.e. 5V/9V/12V in road.

The circuit diagram of the battery and charge and discharge protecting module that show referring to Fig. 3, the battery include concatenated first battery The anode of BT1, the second battery BT2 and third battery BT3, the battery connect the lifting die block by positive wire, electricity The cathode in pond is grounded by cathode conductor；The charge and discharge protecting module includes the first detection mould for detecting the first cell voltage Block, the second detection module for detecting the second cell voltage and the third detection module for detecting third cell voltage, and be serially connected in The 16th metal-oxide-semiconductor Q16 and the 15th metal-oxide-semiconductor Q15 in the cathode conductor, the first, second, and third detection module detect The 15th metal-oxide-semiconductor of driving cut-off when thering is the voltage of any battery to be higher than HVT high voltage threshold in the first, second, and third battery, first, Second and third detection module detect drive when having the voltage of any battery in the first, second, and third battery lower than low pressure threshold Dynamic 16th metal-oxide-semiconductor cut-off.Referring to Fig. 3, the core element of third detection module is that Li battery protection IC U1(model is DW01), U1 detects BT3, and the anode of BT3 is connected to U1 power supply foot by resistance R7, is lower than in discharge process, such as voltage of BT3 When low pressure threshold (2.5V or so), the DO foot of U1 exports low level and is connected to Q3, Q3, and Q17 conducting makes the 16th metal-oxide-semiconductor Cut-off, discharge loop disconnect, and accumulator stops electric discharge；When charging, as the voltage of BT3 is higher than HVT high voltage threshold (4.3V or so) When U1 CO foot export low level to Q4, Q4 be connected, Q14 conducting, make the 15th metal-oxide-semiconductor Q15 end, charge circuit disconnect, storage It can circuit stopping charging.When the voltage of BT3 is between HVT high voltage threshold and low pressure threshold, the CO foot and DO foot of U1 all exports high electricity Flat, the 16th metal-oxide-semiconductor Q16 and the 15th metal-oxide-semiconductor Q15 are all connected, and battery can freely carry out charge and discharge.To the second battery The protection of BT2 and the first battery BT1 are protected by U2 and U3 respectively, and protection philosophy is identical, repeats no more.As long as any one There are abnormal parameters in a battery, Q15 or Q16 cut-off can be controlled, to play the role of charge and discharge protecting.

Referring to the input module circuit diagram shown in Fig. 4, the input module includes USB jack, the input for connecting USB jack Power supply line, the first metal-oxide-semiconductor Q1 being serially connected in input power cord and the 19th metal-oxide-semiconductor Q19 and connection input power cord it is defeated Enter voltage detection module, input voltage is fed back to the controller by the input voltage measurement module, and controller is according to input The on-off of voltage control the first metal-oxide-semiconductor and the 19th metal-oxide-semiconductor.Referring to Fig. 4, input voltage measurement module includes the second triode Q2, resistance R2 and R9 composition.When being inserted into external power supply in USB jack, input voltage measurement module has detected that voltage, Q2 are led Logical, the pin PA4 of controller U6 will receive a low-voltage, the conducting of PC6 the foot control Q1 and Q19 of U6.U6 controls Q52 simultaneously By certain frequency turn-on deadline, being charged the battery by L1 and rear class capacitor (C1, C2, C3, EC1) boosting, Q51 keeps cut-off, Inductance output provides circuit when the diode D1 of Q52 in parallel closes for Q52.

Referring to the output module circuit diagram shown in Fig. 4, the output module includes USB jack, the output for connecting USB jack Power supply line, the 8th metal-oxide-semiconductor Q8 being serially connected in output power line and the load detecting module for connecting USB jack, the load Detection module detects the loadtype that is plugged in USB jack, and loadtype is transferred to the controller, controller according to Loadtype control lifting die block powers to the load.Referring to Fig. 4, output power line connects the VCC pin of USB jack, control Q8 is connected when device pin PC2 controls Q11 conducting, output power line conducting.Load detecting module connects D+ and the D- pipe of USB jack Foot.Load detecting module mainly includes identification chip U4, and it is high pass Quick that its model, which is FP6601Q, in the preferred embodiment Charge 3.0/2.0(QC3.0, QC2.0) and Huawei sea think of fast charge (FCP) fast charge protocol controller.Can automatic identification fill Electric loading type adjusts the output voltage of accumulator by U6, is allowed to obtain the safe maximum charging voltage that load allows, The charging time is saved under the premise of protection load.Charging voltage needs controller U6 control lifting die block to realize, can be defeated 3 kinds of voltage modes, i.e. 5V/9V/12V out.There is detailed description above, repeats no more.

Referring to the circuit diagram of the farad super capacitor shown in Fig. 4, farad super capacitor has 4 capacitors in the preferred embodiment SC1, SC2, SC3, SC4 are connected in series, and farad super capacitor capacity is big and pressure resistance is small, are used in series for drive ignition needs.

Preferred embodiment is shown referring to Fig. 4, the output power line is also connected in the end for connecting the lifting die block First filter capacitor group, the first filter capacitor group include the 7th capacitor C7 in parallel, the 8th capacitor C8, the 9th capacitor C9 and Tenth capacitor C10.First filter capacitor group plays the role of filtering burning voltage, also has and becomes with the cooperation of lifting die block in DC-DC The effect that raising is depressured when changing.

Preferred embodiment is shown referring to Fig. 3, the end that the positive wire connects the lifting die block is also connected with second Filter capacitor group, the second filter capacitor group include first capacitor C1 in parallel, the second capacitor C2, third capacitor C3, and Electrolytic capacitor EC1.Second filter capacitor group plays the role of filtering burning voltage, also has and becomes with the cooperation of lifting die block in DC-DC The effect that raising is depressured when changing.

Fig. 5 shows the circuit diagram of control module in preferred embodiment.LED light LED3, LED4, LED5, LED2, can be with Show battery capacity 25%, 50%, 75%, 100%.Concatenated resistance R6, metal-oxide-semiconductor Q7 and resistance R20 constitute a battery electricity in Fig. 2 Detection circuit is measured, starts to detect battery capacity when U6 controls Q7 conducting by pin PD0；When U6 is standby, Q7 cut-off, battery Electric quantity detecting circuit stops working, to save electric energy.Button K1 in Fig. 5 can wake up standby U6 when pressing, rise and wake up control.

Above embodiments are by way of example only, non-to provide constraints.It is any without departing from the application spirit and scope, and to it The equivalent modifications or change of progress, shall be included in the scope of claims of this application.

Claims (9)

1. a kind of accumulator with High Output Current, it is characterised in that: including battery, the charge and discharge protecting mould being sequentially connected in series Block, lifting die block, farad super capacitor, and the input module of connection lifting die block, and connection lifting die block and defeated Enter the controller of module, wherein

The battery, for storing direct current energy；

The charge and discharge protecting module is switched on or switched off battery and lifting pressing mold according to cell voltage for detecting cell voltage The connection of block；

The lifting die block, the direct current for inputting to input module pass through charge and discharge protecting module after carrying out amplitude transformation It is stored in battery, or is defeated by a farad super capacitor after the direct current in battery is carried out amplitude transformation；

The farad super capacitor, for being output to the outside big flow electric current；

The input module, for inputting external electric energy；

The controller, for controlling lifting die block and input module work.

2. as described in claim 1 with the accumulator of High Output Current, it is characterised in that: further include connecting the lifting The output module of die block, the output module will go up and down the load outside die block connection, control under the control of the controller Device control lifting die block processed powers to the load.

3. as claimed in claim 2 with the accumulator of High Output Current, it is characterised in that: the lifting die block has First interface and second interface, the first interface connect the charge and discharge protecting module, and the second interface simultaneously connects the method Draw super capacitor, input module and output module.

4. as claimed in claim 3 with the accumulator of High Output Current, it is characterised in that: the lifting die block includes The 51st metal-oxide-semiconductor (Q51) and the 52nd metal-oxide-semiconductor (Q52) controlled by the controller, wherein the 52nd metal-oxide-semiconductor Source electrode connects the cathode of the first interface and diode (D1), the source electrode ground connection of the 51st metal-oxide-semiconductor, the 51st metal-oxide-semiconductor Drain electrode with the 52nd metal-oxide-semiconductor connects one end of the first inductance (L1), the other end connection described second of the first inductance jointly Interface, the anode of drain electrode connection diode (D1) of the 52nd metal-oxide-semiconductor.

5. as described in claim 1 with the accumulator of High Output Current, it is characterised in that: the battery includes concatenated The anode of first battery (BT1), the second battery (BT2) and third battery (BT3), the battery passes through described in positive wire connection Die block is gone up and down, the cathode of battery is grounded by cathode conductor；The charge and discharge protecting module includes the first cell voltage of detection First detection module, detect the second cell voltage the second detection module and detect third cell voltage third detect mould Block, and the 16th metal-oxide-semiconductor (Q16) being serially connected in the cathode conductor and the 15th metal-oxide-semiconductor (Q15), first, second and Three detection modules detect driving the 15th when having the voltage of any battery to be higher than HVT high voltage threshold in the first, second, and third battery Metal-oxide-semiconductor cut-off, the first, second, and third detection module detect the voltage for having any battery in the first, second, and third battery The cut-off of the 16th metal-oxide-semiconductor is driven when lower than low pressure threshold.

6. as described in claim 1 with the accumulator of High Output Current, it is characterised in that: the input module includes USB jack, the input power cord for connecting USB jack, the first metal-oxide-semiconductor (Q1) and the 19th MOS being serially connected in input power cord It manages (Q19) and connects the input voltage measurement module of input power cord, the input voltage measurement module is anti-by input voltage It feeds the controller, controller controls the on-off of the first metal-oxide-semiconductor and the 19th metal-oxide-semiconductor according to input voltage.

7. as claimed in claim 2 with the accumulator of High Output Current, it is characterised in that: the output module includes USB jack, the output power line for connecting USB jack, the 8th metal-oxide-semiconductor (Q8) being serially connected in output power line and connection USB The load detecting module of socket, the load detecting module detect the loadtype being plugged in USB jack, and by loadtype It is transferred to the controller, controller controls lifting die block according to loadtype and powers to the load.

8. as claimed in claim 7 with the accumulator of High Output Current, it is characterised in that: the output power line is even The end for connecing the lifting die block is also connected with the first filter capacitor group, and the first filter capacitor group includes the 7th electricity in parallel Hold (C7), the 8th capacitor (C8), the 9th capacitor (C9) and the tenth capacitor (C10).

9. as claimed in claim 5 with the accumulator of High Output Current, it is characterised in that: the positive wire connects institute The end for stating lifting die block is also connected with the second filter capacitor group, and the second filter capacitor group includes first capacitor in parallel (C1), the second capacitor (C2), third capacitor (C3) and electrolytic capacitor (EC1).