CN109301893A - The power supply device of multiband voltage output - Google Patents
The power supply device of multiband voltage output Download PDFInfo
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- CN109301893A CN109301893A CN201811113620.0A CN201811113620A CN109301893A CN 109301893 A CN109301893 A CN 109301893A CN 201811113620 A CN201811113620 A CN 201811113620A CN 109301893 A CN109301893 A CN 109301893A
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- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 229910052493 LiFePO4 Inorganic materials 0.000 description 1
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
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- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
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- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
- H02J7/0019—Circuits for equalisation of charge between batteries using switched or multiplexed charge circuits
-
- H02J7/0026—
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0034—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using reverse polarity correcting or protecting circuits
-
- 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
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
Abstract
The present invention discloses a kind of power supply device of multiband voltage output, including charging connector, discharge connector, control module and multiple battery modules, each battery module is successively sequentially electrically connected, in a battery module, battery module includes control switch and battery pack, the anode of battery pack is electrically connected with the first end of the cathode output end of charging connector and control switch respectively, the cathode of battery pack is electrically connected with the anode of another battery pack, the second end of control switch is electrically connected with the electrode input end of the cathode output end of charging connector and discharge connector respectively, and the cathode of a battery module for being located at tail end is electrically connected with the negative input of discharge connector；Each battery module is electrically connected with control module respectively, and control module be used for control each control switch close or open so that battery module power supply or charging.Simple circuit control may be implemented by setting control module and multiple battery modules in the present invention, can export multiple voltage, it is user-friendly.
Description
Technical field
The present invention relates to field of power supplies, more particularly to a kind of power supply device of multiband voltage output.
Background technique
Lithium battery is one kind using lithium metal or lithium alloy as negative electrode material, using the one-shot battery of non-aqueous electrolytic solution,
It with lithium ion polymer battery is different with rechargeable battery lithium ion battery.The inventor of lithium battery is Edison.By
It is very active in the chemical characteristic of lithium metal, so that the processing of lithium metal, preservation, use, very high to environmental requirement.So
Lithium battery is not applied for a long time.With the development of twentieth century end microelectric technique, the equipment of miniaturization is increasing, right
Power supply proposes very high requirement.Lithium battery enters the large-scale practical stage therewith.
Lithium battery is widely applied various fields as the storage body of energy, such as the mobile phone, computer, bracelet as the consumer goods
Deng.Power and energy-storage battery as energy storage and power.Wherein backup power source as field be each equipment carry out mend TV must not
It can lack, for example mobile phone mends electric 5V mobile power source, is the 12V startup power supply of spare igniting etc. of automobile starting.Each electricity consumption is set
It is standby to have different voltage requirements, it results in backup power source and needs to carry out matched design one by one, however, in existing backup power source
It not can be carried out the setting of multiple voltage output, it has not been convenient to the outdoor use of backup power source, nor can control backup power source
Voltage output size, be not suitable for the power supply requirement of each device.
Summary of the invention
The purpose of the present invention is overcoming shortcoming in the prior art, one kind is provided by simple circuit control, energy
Enough export multiple voltage, user-friendly multiband voltage output power supply device.
The purpose of the present invention is achieved through the following technical solutions:
A kind of power supply device of multiband voltage output, comprising: charging connector, discharge connector, control module and multiple electricity
Pond module, each battery module are successively sequentially electrically connected, and in a battery module, the battery module includes control
Switch and battery pack, the anode of the battery pack respectively with the cathode output end of the charging connector and the control switch the
One end electrical connection, the cathode of the battery pack are electrically connected with the anode of another battery pack, the second end of the control switch
It is electrically connected respectively with the electrode input end of the cathode output end of the charging connector and the discharge connector, and is located at the one of tail end
The cathode of a battery module is electrically connected with the negative input of the discharge connector；
Each battery module is electrically connected with the control module respectively, and the control module is for controlling each control
System switch closes or opens so that battery module power supply or charging.
The battery pack includes multiple single batteries in one of the embodiments, each single battery with connect and/
Or mode in parallel connects.
The control module includes circuit control panel and multiple switch key, the circuit in one of the embodiments,
Control panel is electrically connected with each battery module, and each switch key is electrically connected with the circuit control panel respectively.
The switch key includes 5V key, 12V key and 24V key in one of the embodiments,.
The power supply device further includes detection circuit in one of the embodiments, the first end of the detection circuit with
The cathode of the battery pack is electrically connected, and the second end of the detection circuit is electrically connected with the second end of the control switch.
The detection circuit is provided with multiple in one of the embodiments, each detection circuit respectively with it is each described
Battery module connects one to one.
The detection circuit includes voltage detection unit and battery temperature detection unit, institute in one of the embodiments,
It states voltage detection unit and the battery temperature detection unit is electrically connected with the battery pack respectively.
The power supply device further includes pre-charge circuit in one of the embodiments, the pre-charge circuit with it is described
Control switch is connected in parallel.
The pre-charge circuit includes precharge switch and pre-charge resistance, the preliminary filling in one of the embodiments,
One end of electric switch is electrically connected with the first end of the control switch, and the other end of the precharge switch is through the precharge electricity
It is electrically connected after resistance with the second end of the control switch.
The pre-charge circuit is provided with multiple in one of the embodiments, each pre-charge circuit with it is each described
Control switch connects one to one.
The present invention compared with the prior art the advantages of and have the beneficial effect that:
The present invention is a kind of power supply device of multiband voltage output, by the way that control module and multiple battery modules is arranged,
Simple circuit control may be implemented, can export multiple voltage, it is user-friendly.Also, by multiple voltage demand
Backup power source is unified into a kind of multi-functional energy storage power device, has unified to output and input connector, reduces extra wire rod
And terminal；It can also carry out mending electricity for the electricity consumption facility of a variety of different voltages demands simultaneously.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the circuit diagram of the power supply device of the multiband voltage output of an embodiment of the present invention；
Fig. 2 is the circuit diagram of the power supply device of the multiband voltage output of an embodiment of the present invention；
Fig. 3 is the circuit diagram of the power supply device of the multiband voltage output of an embodiment of the present invention；
Fig. 4 is the circuit diagram of the power supply device of the multiband voltage output of an embodiment of the present invention；
Fig. 5 is the circuit diagram of the power supply device of the multiband voltage output of an embodiment of the present invention；
Fig. 6 is the circuit diagram of the power supply device of the multiband voltage output of an embodiment of the present invention；
Fig. 7 is the circuit diagram of the power supply device of the multiband voltage output of an embodiment of the present invention.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give better embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure
Add thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant listed item.
Referring to Fig. 1, a kind of power supply device of multiband voltage output, comprising: charging connector, discharge connector, control mould
Block 100 and multiple battery modules 200, successively sequence is electrically connected each battery module 200, in a battery module 200
In, the battery module 200 include control switch K and battery pack BT, the battery pack BT anode respectively with the charging
The first end electrical connection of the cathode output end and the control switch K of head, the cathode of the battery pack BT and another battery
Wrap the anode electrical connection of BT, the second end of the control switch K respectively with the cathode output end of the charging connector and described put
The electrode input end of electric connection is electrically connected, and is located at the cathode and the discharge connector of a battery module 200 of tail end
Negative input electrical connection；Each battery module 200 is electrically connected with the control module 100 respectively, and the control mould
Block 100 be used for control each control switch K close or open so that the battery module 200 power supply or charging.
When battery pack charging, external alternating current is linked into power supply device by charging connector, then again
Each control switch K is closed, so that each battery pack carries out parallel connection, and then the charging behaviour to battery may be implemented
Make.
When battery pack electric discharge, when power supply is as energy carrier, when carrying out mending electric or charging to extraneous electrical appliance
It waits, according to the voltage range of extraneous electrical appliance, the quantity of regulating switch k.For example, if to ordinary consumption product, such as hand
Machine, the 5V connector such as mobile power source mend electricity, are only closed first control switch K in power supply device, i.e., only with single single battery
Supplying power for outside；If being closed the control switch K of third to automotive ignition (12V), i.e., connect only with three single batteries
Supplying power for outside.
It should be noted that the battery pack includes multiple single batteries, each single battery is to connect and/or in parallel
Mode connect.The series connection number of monomers of single battery is indefinite in the battery pack, is determined according to maximum output voltage；And
And single battery material system is indefinite, can be the discretionary choices in cobalt acid lithium, ternary, LiMn2O4, LiFePO4 etc.；Meanwhile
Single battery apparent size is indefinite, and it is rectangular to can be Soft Roll, is also possible to the forms such as steel shell cylinder or aluminum hull.
It should be noted that the control module includes circuit control panel and multiple switch key, the circuit control panel
It is electrically connected with each battery module, each switch key is electrically connected with the circuit control panel respectively.The switch key
Including 5V key, 12V key and 24V key.In order to reduce the type of backup power source, by circuit control, by 5V, 12V, 24V,
The even electrical equipment demand of 48V different voltages section is unified in a standby power supply module, by simple regulation button,
It, thus can be spare by one to control the difference of output voltage to control concatenated number of batteries in standby power supply device
Power supply device carries out different power demand equipment to mend electricity.
Fig. 1 and Fig. 2 are please referred to, the power supply device further includes detection circuit 300, the first end of the detection circuit 300
It is electrically connected with the cathode of the battery pack, the second end of the detection circuit is electrically connected with the second end of the control switch.Institute
It states detection circuit and is provided with multiple, each detection circuit connects one to one with each battery module respectively.The detection
Circuit 300 includes voltage detection unit 310 and battery temperature detection unit 320, the voltage detection unit 310 and the battery
Temperature detecting unit 320 is electrically connected with the battery pack respectively.The power supply device further includes battery management system BMS, described
One end of battery management system BMS is electrically connected with the detection circuit, the other end of the battery management system BMS and the control
The electrical connection of molding block.It should be noted that the voltage detection unit 310 is used to detect the voltage of battery pack, when the battery pack
Voltage when be lower than preset value, then can be that battery pack charges by external charging equipment.The battery temperature detection
Unit 320 is used to detect the temperature of battery pack, and when temperature is higher than preset value, then battery management system BMS can control this
Battery pack disconnects, and prevents its temperature excessively high and breaks down or there is a phenomenon where spontaneous combustion, improve battery pack safety and
Reliability.
It should be noted that the power supply device further includes pre-charge circuit, the pre-charge circuit is opened with the control
Pass is connected in parallel.The pre-charge circuit includes precharge switch and pre-charge resistance, one end of the precharge switch and institute
The first end electrical connection of control switch is stated, the other end of the precharge switch is opened after the pre-charge resistance with the control
The second end of pass is electrically connected.The pre-charge circuit is provided with multiple, each pre-charge circuit and each control switch one
One is correspondingly connected with.After being closed pre-charge circuit, if judged in the presence of battery management system BMS has detected that electric current continues
There are batteries to be surrounded by output, then the connection of precharge switch is disconnected, without power on operation.It, can after being provided with pre-charge circuit
After judging precharge switch closure, it whether there is the lasting output of electric current between multiple battery packs, multiple batteries can be prevented
Occur the case where mutual charge and discharge between packet, improves the stability and reliability of battery energy storage system.
It is appreciated that battery module is during use, due to the working time of each battery pack or its output electricity
The difference of pressure, so that the battery capacity between each battery pack has otherness, so that differing greatly between battery pack, always
It is well known, during battery module use, needs to guarantee that the difference between battery pack is wirelessly small as much as possible, can just protect
The stability and reliability of cell output voltage are demonstrate,proved, therefore, in order to reduce the difference between battery pack, is improved between single battery
Consistency, improve the reliability and stability of system.In one embodiment, referring to Fig. 3, the power supply device further includes
Equalizing circuit, the equalizing circuit include Balance route unit and multiple balance modules, each balance module respectively with each institute
It states battery pack to connect one to one, also, the balance module and the both ends of the battery pack are connected in parallel, the balance module
Control signal be electrically connected with the Balance route unit；In a balance module, the balance module includes two
Pole pipe D1, switch K1, fuse F1, resistance R1 and the cathode of metal-oxide-semiconductor Q1, the diode D1 and the anode of the battery pack are electric
Connection, the anode of the diode D1 are electrically connected with the pole D of the metal-oxide-semiconductor Q1, the first end of the switch K1 and the battery
The cathode of packet is electrically connected, and the second end sequence of the switch K1 passes through the S of the fuse F1, resistance R1 and the metal-oxide-semiconductor Q1
Pole electrical connection, the pole G of the metal-oxide-semiconductor Q1 is electrically connected with the control output end of the Balance route unit.In this way, equal by setting
The control unit that weighs and multiple balance modules can reduce the difference between battery pack, improve the consistency between single battery, mention
The reliability and stability of high system.
It should be noted that the equalizing circuit includes Balance route unit and multiple balance modules, each equilibrium model
Block connects one to one with each battery pack respectively, also, the balance module and the both ends of the battery pack are connected in parallel,
The control signal of the balance module is electrically connected with the Balance route unit.The equalizing circuit is for balancing battery packet
Voltage then sends control instruction to the Balance route unit when BMS detects overtension in some battery pack,
Balance route unit can then send a signal to the balance module, so that balance module starts balanced operation, the balanced battery pack
Voltage.
Specifically, in a balance module, the balance module include diode D1, switch K1, fuse F1,
The cathode of resistance R1 and metal-oxide-semiconductor Q1, the diode D1 are electrically connected with the anode of the battery pack, the anode of the diode D1
It is electrically connected with the pole D of the metal-oxide-semiconductor Q1, the first end of the switch K1 is electrically connected with the cathode of the battery pack, the switch
S pole electrical connection of the second end sequence of K1 by the fuse F1, resistance R1 and the metal-oxide-semiconductor Q1, the G of the metal-oxide-semiconductor Q1
Pole is electrically connected with the control output end of the Balance route unit.When balance module receives the control from the Balance route unit
When signal processed, then Balance route unit control switch K1 is closed, also, transmission level signal gives the G of the metal-oxide-semiconductor Q1
Pole, so that metal-oxide-semiconductor Q1 is connected, equalizing circuit is started to work, and realizes the equilibrium to battery pack.It should also be noted that, institute
The problem of diode D1 is for preventing the reversal connection of battery pack positive and negative anodes is stated, the switch K1 is used to control the access of equalizing circuit
Battery pack or disconnection；The fuse F1 when current is excessive, then starts fuse for preventing electric current in equalizing circuit excessive
Work, open fuse, so as to play the role of protecting equalizing circuit, the resistance R1 is for realizing balanced work
With the metal-oxide-semiconductor Q1 is used to control the work of equalizing circuit, and receives the control signal of Balance route unit, wherein described equal
Weighing apparatus control unit is MCU control unit, is Balance route unit IC1 in figure.
In this way, can reduce the difference between battery pack by setting Balance route unit and multiple balance modules, improve
Consistency between single battery improves the reliability and stability of system.
It is appreciated that in general, battery management system BMS is work in the voltage range of 9V~12V, however,
Since after battery pack series connection is multiple, the output voltage of battery pack is larger, therefore, does not meet the work of battery management system BMS
Make the range of voltage, voltage is excessive, it is serious to make it possible to electronic component fever, and it is also possible to burn out battery management
System BMS reduces the service life of battery management system BMS, so that power supply device cannot detect the work of battery pack in time
Make state or control the working condition of battery pack, reduces the stability and reliability of power supply device；In one embodiment,
Referring to Fig. 4, the power supply device further includes voltage regulator circuit, one end of the voltage regulator circuit is electrically connected with the battery module,
The other end of the voltage regulator circuit is electrically connected with the battery management system；The voltage regulator circuit includes capacitor C1, capacitor C2, three
Pole pipe Q2, inductance L1, diode D2, resistance R2, resistance R3 and voltage-stabilizing controller IC2, the both ends of the capacitor C1 are connected in parallel on electricity
The positive and negative end of pond module, the collector of the triode Q2 are electrically connected with the first end of the capacitor C1, the triode
The base stage of Q2 is electrically connected with the first pin of the voltage-stabilizing controller IC2, the emitter of the triode Q2 and it is described respectively with
The electrical connection of the cathode of one end of the inductance L1 and the diode D2, the plus earth of the diode D2, the inductance L1
The other end respectively with the first end of the resistance R2, the first end of the capacitor C2 and the battery management system BMS one
Input terminal electrical connection, the second end of the resistance R2 are grounded after the resistance R3, the second end of the capacitor C2 and the electricity
Another input terminal of pond management system BMS is electrically connected, the second pin of the voltage-stabilizing controller IC2 also with the resistance R2 and institute
State the series connection node electrical connection of resistance R3.In this way, input string voltage can be made to meet battery management by setting voltage regulator circuit
The range of the operating voltage of system BMS is avoided the occurrence of because voltage is excessive, is made it possible to electronic component fever seriously, is avoided
Battery management system BMS is burnt out, the service life of battery management system BMS is improved, so that power supply device can be examined in time
It surveys the working condition of battery pack or controls the working condition of battery pack, improve the stability and reliability of power supply device.
It should be noted that one end of the voltage regulator circuit is electrically connected with the battery module, the voltage regulator circuit it is another
One end is electrically connected with the battery management system.The voltage regulator circuit is used to the output voltage of battery module being converted to cell tube
The range of the operating voltage of reason system BMS improves the stability of battery management system BMS.
Specifically, the voltage regulator circuit include capacitor C1, capacitor C2, triode Q2, inductance L1, diode D2, resistance R2,
The both ends of resistance R3 and voltage-stabilizing controller IC2, the capacitor C1 are connected in parallel on the positive and negative end of battery module, the triode Q2
Collector be electrically connected with the first end of the capacitor C1, the of the base stage of the triode Q2 and the voltage-stabilizing controller IC2
The electrical connection of one pin, the emitter of the triode Q2 and it is described respectively with one end of the inductance L1 and the diode D2
Cathode electrical connection, the plus earth of the diode D2, the other end of the inductance L1 respectively with the first end of the resistance R2,
The electrical connection of an input terminal of the first end of the capacitor C2 and the battery management system BMS, the second end warp of the resistance R2
It is grounded after the resistance R3, another input terminal electrical connection of the second end of the capacitor C2 and the battery management system BMS, institute
The second pin for stating voltage-stabilizing controller IC2 is also electrically connected with the series connection node of the resistance R2 and the resistance R3.
When work, when triode Q2 conducting, input voltage is powered by inductance L1 to battery management system BMS,
At the same time, it also charges to capacitor C2, in this process, stores energy in capacitor C2 and inductance L1.When triode Q2 is cut
When only, since the energy being stored in inductance L1 continues to power to battery management system BMS, when output voltage will decline
When, the energy in capacitor C2 can also discharge to battery management system BMS, maintain output voltage constant, and diode D2 is afterflow two
Pole pipe, to constitute circuit loop, the partial pressure branch that the voltage of output is formed through resistance R2, resistance R3 is divided, output
The signal of voltage is fed back in voltage-stabilizing controller IC2, when controlling the conducting and cut-off of triode Q2 by voltage-stabilizing controller IC2
Between, so that output voltage is maintained in the voltage range of 9V~12V.
In this way, input string voltage can be made to meet the operating voltage of battery management system BMS by setting voltage regulator circuit
Range, avoid the occurrence of because voltage is excessive, it is serious to make it possible to electronic component fever, avoids burning out battery management system
BMS improves the service life of battery management system BMS, so that power supply device can detect the work shape of battery pack in time
State or the working condition for controlling battery pack, improve the stability and reliability of power supply device.
It is appreciated that needing for electric main to be converted into the electric current of direct current during charging to battery module
It charges to battery module.However due to external environment under the influence of, during charging, then be likely to occur lightning stroke or
The input of high voltage, these will lead to the safe voltage in the impact battery module of charging, lead to the inside for damaging single battery
Structure, so that single battery is possible to occur to work, when serious, it is also possible to the case where single battery explosion occur；And
And during charging, due to there may be the interference of electromagnetic noise and noise signal in AC network, it is dry to there is power supply
The phenomenon that disturbing, meanwhile, the high frequency spurs that power supply itself generates the problem of interference may also occur to power grid；Therefore, in order to protect
Battery module prevents lightning stroke or the input of high voltage during the charging process, avoids the safety electricity of the impact battery module in charging
Pressure, protects the internal structure of single battery not damaged, guarantees that single battery can work normally, it is quick-fried to avoid the occurrence of single battery
Fried situation；Also, during charging, to there may be electromagnetic noise in AC network and noise signal presses down
The phenomenon that making, preventing power supply disturbance, meanwhile, the high frequency spurs for preventing power supply device itself from generating ask power grid interference
Topic；In one embodiment, Fig. 3 and Fig. 5, Fig. 6 and Fig. 7 are please referred to, the power supply device further includes charging input lightning protection filtered electrical
The one end on road, the charging input lightning protection filter circuit is electrically connected with electric main, the charging input lightning protection filter circuit
The other end is electrically connected with the battery module；The charging input lightning protection filter circuit includes lightning protection unit, electromagnetism interference list
Member and rectification filtering unit, the lightning protection unit, the electromagnetism interference unit and the rectification filtering unit are linked in sequence, and
The input terminal of the lightning protection unit is electrically connected with the electric main, the output end of the rectification filtering unit and the battery mould
Block electrical connection；The lightning protection unit includes fuse F2, fuse F3, fuse F4, fuse F5, varistor RV1, pressure-sensitive
Resistance RV2, varistor RV3, thermistor NTC1, discharge tube FDG and capacitor C3, one end of the fuse F2 and alternating current
Input terminal electrical connection, the other end of the fuse F2 respectively with the first end of the fuse F3, fuse F4 the
One end electrical connection, the second end sequence of the fuse F4 is through the fuse F4, the varistor RV1, the pressure-sensitive electricity
After resistance RV2, the fuse F5 and another input terminal electrical connection of alternating current, the thermistor NTC1 are connected on the exchange
Between another input terminal and the fuse F5 of electricity, the both ends of the varistor RV3 respectively with the fuse F3 the
Two ends and thermistor NTC1 electrical connection, the both ends of the capacitor C3 are connected in parallel on the both ends of varistor RV3, described to put
The first end of fulgurite FDG is electrically connected with the varistor RV1 and the varistor RV2 series connection node, the discharge tube FDG
Second end ground connection；The electromagnetism interference unit includes inductance L2, inductance L3, capacitor C4, capacitor C5, capacitor C6, resistance R4
It is electrically connected with resistance R5, the inductance L2 with the output end of the lightning protection unit, and the inductance L2 includes two inductance, it is described
The first end of capacitor C4 is electrically connected with the first end of the inductance L2, the second end of the capacitor C4 after the capacitor C5 with institute
The second end electrical connection of inductance L2 is stated, also, the capacitor C4 and capacitor C5 is connected in series ground connection and also connect with GND, institute
The both ends for stating capacitor C6 are electrically connected with the second end of the first end of the inductance L2 and the inductance L2 respectively, the resistance R4 and
The resistance R5 is connected in series, and the one end of the resistance R4 also respectively with the first end of the inductance L2 and the inductance L3 is electrically connected
It connects, the resistance R5 is also electrically connected with the second end of the inductance L2, and the other end of the inductance L3 is dry as the anti-electromagnetism
The output end for disturbing unit is electrically connected with the rectification filtering unit；The rectification filtering unit includes rectifier bridge, thermistor
NTC2, capacitor C7 and capacitor C8, one end of the thermistor NTC2 are electrically connected with the electromagnetism interference unit, the temperature-sensitive
The other end of resistance NTC2 is electrically connected with an input terminal of the rectifier bridge, another input terminal of the rectifier bridge and the anti-electricity
The electrical connection of magnetic disturbance unit, the both ends of the capacitor C7 are electrically connected with two output ends of the rectifier bridge, the capacitor C8's
Both ends are electrically connected with two output ends of the rectifier bridge.In this way, by the way that lightning protection is arranged in charging input lightning protection filter circuit
Unit, electromagnetism interference unit and rectification filtering unit, can protect battery module during the charging process prevents lightning stroke or high
The input of voltage avoids the safe voltage for impacting battery module in charging, protects the internal structure of single battery not damaged,
The case where guaranteeing that single battery can work normally, avoiding the occurrence of single battery explosion；Also, during charging, to friendship
It there may be electromagnetic noise in galvanic electricity net and the phenomenon that noise signal is inhibited, prevents power supply disturbance, meanwhile, it prevents
The problem of high frequency spurs that power supply device itself generates interfere power grid.
It should be noted that the power supply device further includes charging input lightning protection filter circuit, the charging inputs lightning protection
One end of filter circuit is electrically connected with electric main, the other end and the battery module of the charging input lightning protection filter circuit
Electrical connection；Charging input lightning protection filter circuit includes lightning protection unit, electromagnetism interference unit and rectification filtering unit, described
Lightning protection unit, the electromagnetism interference unit and the rectification filtering unit are linked in sequence, and the input terminal of the lightning protection unit
It is electrically connected with the electric main, the output end of the rectification filtering unit is electrically connected with the battery module；It needs to illustrate
It is that the voltage that the charging input lightning protection filter circuit is used to input is more stable, high voltage punching will not be generated to power supply device
It hits, and makes the ripple voltage of output smaller, more stable.By charging input lightning protection filter circuit in be arranged lightning protection unit,
Electromagnetism interference unit and rectification filtering unit can protect battery module during the charging process and prevent lightning stroke or high voltage
Input avoids the safe voltage for impacting battery module in charging, protects the internal structure of single battery not damaged, guarantees single
The case where body battery can work normally, and avoid the occurrence of single battery explosion；Also, during charging, to AC network
In there may be electromagnetic noise and the phenomenon that noise signal is inhibited, prevents power supply disturbance, meanwhile, prevent power supply from filling
Set the problem of high frequency spurs that itself is generated interfere power grid.
Further, referring to Fig. 5, the lightning protection unit includes fuse F2, fuse F3, fuse F4, fuse
F5, varistor RV1, varistor RV2, varistor RV3, thermistor NTC1, discharge tube FDG and capacitor C3, the guarantor
One end of dangerous silk F2 is electrically connected with an input terminal of alternating current, and the other end of the fuse F2 is respectively with the fuse F3's
First end, the electrical connection of the first end of fuse F4, the second end sequence of the fuse F4 is through the fuse F4, described pressure-sensitive
It is electrically connected after resistance RV1, the varistor RV2, the fuse F5 with another input terminal of alternating current, the thermistor
NTC1 is connected between another input terminal of the alternating current and the fuse F5, the both ends difference of the varistor RV3
It is electrically connected with the second end of the fuse F3 and the thermistor NTC1, the both ends of the capacitor C3 are connected in parallel on varistor
On the both ends of RV3, the first end of the discharge tube FDG and the varistor RV1 and varistor RV2 series connection node electricity
Connection, the second end ground connection of the discharge tube FDG.It should be noted that generating high pressure when there is lightning stroke through power grid and importing power supply
When, by varistor RV1, varistor RV2, varistor RV3, fuse F2, fuse F3, fuse F4, discharge tube FDG
The circuit of composition is protected, and when the voltage for being added in varistor both ends is more than its operating voltage, resistance value is reduced, and makes high pressure
Energy consumption is on varistor, if electric current is excessive, fuse F2, fuse F3, fuse F4 can burn protection late-class circuit.
Further, referring to Fig. 6, the electromagnetism interference unit include inductance L2, inductance L3, capacitor C4, capacitor C5,
Capacitor C6, resistance R4 and resistance R5, the inductance L2 is electrically connected with the output end of the lightning protection unit, and the inductance L2 includes
Two inductance, the first end of the capacitor C4 are electrically connected with the first end of the inductance L2, and the second end of the capacitor C4 is through institute
It is electrically connected after stating capacitor C5 with the second end of the inductance L2, also, ground connection is connected in series in the capacitor C4 and capacitor C5
It is also connect with GND, second end of the both ends of the capacitor C6 respectively with the first end of the inductance L2 and the inductance L2 is electrically connected
Connect, the resistance R4 and the resistance R5 are connected in series, the resistance R4 also respectively with the first end of the inductance L2 and described
One end of inductance L3 is electrically connected, and the resistance R5 is also electrically connected with the second end of the inductance L2, the other end of the inductance L3
Output end as the electromagnetism interference unit is electrically connected with the rectification filtering unit.It should be noted that inductance L2, electricity
The double π type filter networks for holding C4, capacitor C5 composition mainly inhibit the electromagnetic noise and noise signal of input power, prevent
Only to power supply disturbance, while the high frequency spurs for being also prevented from power supply itself and generating interfere power grid.It, be to electricity when electric power starting moment
Hold C6 charging, since immediate current is big, thermistor RT1, which is added, can effectively prevent surge current.Because instantaneous energy totally disappeared
Consumption is on thermistor RT1 resistance, and thermistor RT1 resistance value reduces (wherein, thermistor after temperature increases after a certain period of time
RT1 is negative temperature coefficient element), the energy that at this moment it is consumed is very small, and late-class circuit can work normally.
Further, referring to Fig. 7, the rectification filtering unit includes rectifier bridge, thermistor NTC2, capacitor C7 and electricity
Hold C8, one end of the thermistor NTC2 is electrically connected with the electromagnetism interference unit, and the thermistor NTC2's is another
End is electrically connected with an input terminal of the rectifier bridge, and another input terminal of the rectifier bridge is electrically connected with the electromagnetism interference unit
It connects, the both ends of the capacitor C7 are electrically connected with two output ends of the rectifier bridge, the both ends of the capacitor C8 and the rectification
Two output ends of bridge are electrically connected.It should be noted that being filtered after the rectified bridge rectification of alternating voltage through capacitor C7 and capacitor C8
More pure DC voltage is obtained afterwards.If C7 capacity becomes smaller, the AC ripple of output will increase.
In this way, being filtered by the way that lightning protection unit, electromagnetism interference unit and rectification is arranged in charging input lightning protection filter circuit
Wave unit, can protect battery module during the charging process prevents lightning stroke or the input of high voltage, avoids the impact in charging
The safe voltage of battery module protects the internal structure of single battery not damaged, guarantees that single battery can work normally, keeps away
Exempt from the case where single battery explosion occur；Also, during charging, to there may be in AC network electromagnetic noise and
The phenomenon that noise signal is inhibited, and power supply disturbance is prevented, meanwhile, the high frequency spurs pair for preventing power supply device itself from generating
The problem of power grid interferes.
The present invention compared with the prior art the advantages of and have the beneficial effect that:
The present invention is a kind of power supply device of multiband voltage output, by the way that control module and multiple battery modules is arranged,
Simple circuit control may be implemented, can export multiple voltage, it is user-friendly.Also, by multiple voltage demand
Backup power source is unified into a kind of multi-functional energy storage power device, has unified to output and input connector, reduces extra wire rod
And terminal；It can also carry out mending electricity for the electricity consumption facility of a variety of different voltages demands simultaneously.
Only several embodiments of the present invention are expressed for embodiment described above, and the description thereof is more specific and detailed, but
It cannot be construed as a limitation to the scope of the present invention.It should be pointed out that for the ordinary skill people of this field
For member, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to of the invention
Protection scope.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of power supply device of multiband voltage output characterized by comprising charging connector, discharge connector, control module
And multiple battery modules, each battery module are successively sequentially electrically connected, and in a battery module, the battery module
Including control switch and battery pack, the battery pack anode respectively with the cathode output end of the charging connector and the control
The first end of switch is electrically connected, and the cathode of the battery pack is electrically connected with the anode of another battery pack, the control switch
Second end be electrically connected respectively with the electrode input end of the cathode output end of the charging connector and the discharge connector, and be located at
The cathode of one battery module of tail end is electrically connected with the negative input of the discharge connector；
Each battery module is electrically connected with the control module respectively, and the control module is opened for controlling each control
What is closed closes or opens so that battery module power supply or charging.
2. the power supply device of multiband voltage output according to claim 1, which is characterized in that the battery pack includes more
A single battery, each single battery connect in series and/or in parallel.
3. the power supply device of multiband voltage output according to claim 1, which is characterized in that the control module includes
Circuit control panel and multiple switch key, the circuit control panel are electrically connected with each battery module, each switch key
It is electrically connected respectively with the circuit control panel.
4. the power supply device of multiband voltage output according to claim 3, which is characterized in that the switch key includes
5V key, 12V key and 24V key.
5. the power supply device of multiband voltage output according to claim 1, which is characterized in that the power supply device also wraps
Detection circuit is included, the first end of the detection circuit is electrically connected with the cathode of the battery pack, the second end of the detection circuit
It is electrically connected with the second end of the control switch.
6. the power supply device of multiband voltage output according to claim 5, which is characterized in that the detection circuit setting
Have multiple, each detection circuit connects one to one with each battery module respectively.
7. the power supply device of multiband voltage output according to claim 5, which is characterized in that the detection circuit includes
Voltage detection unit and battery temperature detection unit, the voltage detection unit and the battery temperature detection unit respectively with institute
State battery pack electrical connection.
8. the power supply device of multiband voltage output according to claim 1, which is characterized in that the power supply device also wraps
Pre-charge circuit is included, the pre-charge circuit is connected in parallel with the control switch.
9. the power supply device of multiband voltage output according to claim 8, which is characterized in that the pre-charge circuit packet
Precharge switch and pre-charge resistance are included, one end of the precharge switch is electrically connected with the first end of the control switch, institute
The other end for stating precharge switch is electrically connected after the pre-charge resistance with the second end of the control switch.
10. the power supply device of multiband voltage output according to claim 8, which is characterized in that the pre-charge circuit
It is provided with multiple, each pre-charge circuit connects one to one with each control switch.
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| CN201811113620.0A CN109301893A (en) | 2018-09-25 | 2018-09-25 | The power supply device of multiband voltage output |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811113620.0A CN109301893A (en) | 2018-09-25 | 2018-09-25 | The power supply device of multiband voltage output |
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| CN201811113620.0A Pending CN109301893A (en) | 2018-09-25 | 2018-09-25 | The power supply device of multiband voltage output |
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Application publication date: 20190201 |