CN107370211A - voltage switching output device and method - Google Patents

voltage switching output device and method Download PDF

Info

Publication number
CN107370211A
CN107370211A CN201710697261.7A CN201710697261A CN107370211A CN 107370211 A CN107370211 A CN 107370211A CN 201710697261 A CN201710697261 A CN 201710697261A CN 107370211 A CN107370211 A CN 107370211A
Authority
CN
China
Prior art keywords
voltage
semiconductor switch
switch tube
module
battery pack
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710697261.7A
Other languages
Chinese (zh)
Inventor
王京春
刘李原
龙海超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Datong Austria Seth Amperex Technology Ltd.
Original Assignee
Ningxia Haoyuan Gold Green Energy Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningxia Haoyuan Gold Green Energy Technology Co Ltd filed Critical Ningxia Haoyuan Gold Green Energy Technology Co Ltd
Priority to CN201710697261.7A priority Critical patent/CN107370211A/en
Publication of CN107370211A publication Critical patent/CN107370211A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0063Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0031Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Secondary Cells (AREA)

Abstract

The embodiments of the invention provide a kind of voltage switching output device and method, belongs to automobile emergency rescue starter technical field.Device includes:Battery pack, the first semiconductor switch tube module, the second semiconductor switch tube module and main control module.First semiconductor switch tube module couples with the first output end of battery pack, second semiconductor switch tube module couples with the second output end of battery pack, first semiconductor switch tube module and the second semiconductor switch tube module couple with main control module, first semiconductor switch tube module and the positive terminal of the equal coupled external load of the second semiconductor switch tube module, the negative pole end of the negative pole end coupled external load of battery pack, the positive terminal and negative pole end of main control module difference coupled external load.Exported by main control module automatic decision and control, the electric starter motor that voltage switching output device can be coupled to automobile is just realized and restarts electric starter motor so that the rescue time of automobile further shortens, and adds the rescue efficiency of automobile.

Description

Voltage switching output device and method
Technical field
The present invention relates to automobile emergency to rescue starter technical field, is exported in particular to a kind of voltage switching Device and method.
Background technology
In order that static engine enters working condition, it is necessary to first rotates engine crankshaft with external force, starts piston Move up and down, suction combustion mixture, then sequentially enters follow-up working cycles, the external force relied on is quiet to start in cylinder Engine only is exactly caused by engine starting system.
The engine starting system of current nearly all automobile realizes the startup of engine using electric starter motor, and The power source of electric starter motor is exactly the storage battery of automobile.Forget to close power supply after stopping based on certain situation, such as driver, And when the power consumption of automobile storage battery can not extremely be started the low battery of electric starter motor, emergency relief starter is just needed, with The electric starter motor of automobile is reset by emergency relief starter.But the operating voltage of the electric starter motor of automobile can divide For two types, it is respectively 12V and 24V.Therefore, using during emergency relief starter, it is necessary to go first determine operating voltage It is 12V or 24V, in order to which emergency relief starter coordinates the magnitude of voltage of output matching to reset the electric power of automobile to realize Starter.But when determination operating voltage is 12V or 24V, the rescue time of automobile is undoubtedly wasted, reduces the rescue of automobile Efficiency.
The content of the invention
In view of this, it is an object of the invention to provide a kind of voltage switching output device and method, to improve above-mentioned lack Fall into.
Embodiments of the invention are accomplished by the following way:
In a first aspect, the embodiment of the present invention provides a kind of voltage switching output device, the voltage switching output device bag Include:Battery pack, the first semiconductor switch tube module, the second semiconductor switch tube module and main control module.First semiconductor The input of switch tube module couples with the first output end of the battery pack, the input of the second semiconductor switch tube module End couples with the second output end of the battery pack.The control terminal of the first semiconductor switch tube module and described the second half is led The control terminal of body switch tube module couples with the main control module.The output end of the first semiconductor switch tube module and institute The output end for stating the second semiconductor switch tube module is used to the positive terminal of coupled external load, and the negative pole end of the battery pack is used In the negative pole end of coupled external load, the main control module is used for the positive terminal and negative pole end for coupling the external loading respectively. The main control module, for judging the matching voltage of the external loading for first voltage or second voltage, when for described first Voltage, the first semiconductor switch tube module conducting is controlled, so that the battery pack exports the first voltage to described outer Section load, turned on when for the second voltage, control the second semiconductor switch tube module, so that battery pack output institute Second voltage is stated to the external loading, wherein, the first voltage is more than the second voltage.
Second aspect, the embodiment of the present invention provide a kind of voltage switching output intent, and the voltage switching output intent should Main control module for described voltage switching output device.The voltage switching output intent includes:Obtain external loading Matching voltage;Judge the matching voltage for first voltage or second voltage;When for the first voltage, controlling the first semiconductor Tube module conducting is switched, so that battery pack exports the first voltage to the external loading, when for the second voltage, control Second semiconductor switch tube module turns on, so that the battery pack exports the second voltage to the external loading, wherein, institute State first voltage and be more than the second voltage.
The beneficial effect of the embodiment of the present invention is:
Main control module is first voltage or second voltage by the matching voltage of automatic decision external loading, when judgement matches When voltage is first voltage, main control module just can control the first semiconductor switch tube module to turn on, so that battery pack exports institute First voltage is stated to external loading, and when it is second voltage to judge matching voltage, main control module can also control the second half to lead Body switch tube module conducting, so that battery pack exports the second voltage to external loading.By main control module automatic decision and Control output, the electric starter motor that voltage switching output device may be directly coupled to automobile are restarted electric starter motor to realize, made The rescue time for obtaining automobile further shortens, and adds the rescue efficiency of automobile.
Other features and advantages of the present invention will illustrate in subsequent specification, also, partly become from specification It is clear that or understood by implementing the embodiment of the present invention.The purpose of the present invention and other advantages can be by being write Specifically noted structure is realized and obtained in specification, claims and accompanying drawing.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings Obtain other accompanying drawings.By the way that shown in accompanying drawing, above and other purpose of the invention, feature and advantage will become apparent from.In whole Identical reference instruction identical part in accompanying drawing.Deliberately accompanying drawing, emphasis are not drawn by actual size equal proportion scaling It is the purport for showing the present invention.
Fig. 1 shows a kind of structured flowchart of voltage switching output system provided in an embodiment of the present invention;
Fig. 2 shows a kind of first structure block diagram of voltage switching output device provided in an embodiment of the present invention;
Fig. 3 shows a kind of the second structured flowchart of voltage switching output device provided in an embodiment of the present invention;
Fig. 4 shows the first semiconductor switch tube module in a kind of voltage switching output device provided in an embodiment of the present invention Circuit diagram;
Fig. 5 shows the second semiconductor switch tube module in a kind of voltage switching output device provided in an embodiment of the present invention Circuit diagram;
Fig. 6 shows a kind of flow chart of voltage switching output intent provided in an embodiment of the present invention.
Icon:10- voltage switching output systems;11- external loadings;100- voltage switching output devices;110- battery packs; The batteries of 111- first;The batteries of 112- second;120- battery management modules;The battery management units of 121- first;The batteries of 122- second Administrative unit;130- main control modules;140- the first semiconductor switch tube modules;The drive circuits of 141- first;142- the first half is led Body switching tube circuit;150- the second semiconductor switch tube modules;The drive circuits of 151- second;The second semiconductor switch of 152- pipe electricity Road;160- protection modules.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is Part of the embodiment of the present invention, rather than whole embodiments.The present invention implementation being generally described and illustrated herein in the accompanying drawings The component of example can be configured to arrange and design with a variety of.
Therefore, below the detailed description of the embodiments of the invention to providing in the accompanying drawings be not intended to limit it is claimed The scope of the present invention, but be merely representative of the present invention selected embodiment.It is common based on the embodiment in the present invention, this area The every other embodiment that technical staff is obtained under the premise of creative work is not made, belong to the model that the present invention protects Enclose.
It should be noted that:Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.In addition, term " the One ", " second " etc. is only used for distinguishing description, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is also necessary to explanation, unless otherwise clearly defined and limited, term " connection ", " coupling " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;Can be Mechanically connect or electrically connect;Can be joined directly together, can also be indirectly connected by intermediary, can be two The connection of element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood in the present invention In concrete meaning.
Referring to Fig. 1, the embodiments of the invention provide a kind of voltage switching output system 10, the voltage switching output system 10 include:Voltage switching output device 100 and external loading 11.
Voltage switching output device 100 is used to load 11 by coupled external, to judge the adaptation of the external loading 11 electricity Press as first voltage or second voltage.Wherein, first voltage can be 24V, and second voltage can be 12V.It is outside when judging During the adaptation first voltage of load 11, then first voltage is exported to the external loading 11, when judgement external loading 11 the second electricity of adaptation During pressure, then second voltage is exported to the external loading 11.
External loading 11 can be the electric starter motor of automobile.In the present embodiment, external loading 11 is according to actual model Difference, it can be first voltage or second voltage to be adapted to voltage.When the brownout of the storage battery of automobile, can not start outside negative When carrying 11, the positive terminal and negative pole end of external loading 11 with voltage switching output device 100 by coupling, to obtain adaptation itself First voltage or second voltage, and then realize restarting.
Referring to Fig. 2, the embodiments of the invention provide a kind of voltage switching output device 100, voltage switching output dress Putting 100 includes:Battery pack 110, battery management module 120, main control module 130, the first semiconductor switch tube module 140, second Semiconductor switch tube module 150 and protection module 160.
Battery pack 110 is used to store electric energy, and exports first voltage to the first semiconductor switch tube module 140 or output the Two voltages to the second semiconductor switch tube module 150.
Battery management module 120 is used for the first voltage or second voltage that stable cell group 110 exports.
Main control module 130 is used to judge the matching voltage of external loading 11 for first voltage or second voltage, when for first Voltage, the first semiconductor switch tube module 140 of control turn on, when for the second voltage, controlling second semiconductor switch Tube module 150 turns on.
First semiconductor switch tube module 140 is used to be turned on according to the control of main control module 130, by the first of acquisition Voltage output is to external loading 11.
Second semiconductor switch tube module 150 is used to be turned on according to the control of main control module 130, by the second of acquisition Voltage output is to external loading 11.
Protection module 160 is used to carry out over-pressed, under-voltage, short-circuit and overheat protector to voltage switching output device 100.
Referring to Fig. 3, in the present embodiment, battery pack 110 passes through the first output end and the first semiconductor switch tube module 140 Input coupling, the second output end coupled with the input of the second semiconductor switch tube module 150, and battery pack 110 is born Negative pole end extremely with external loading 11 couples, to export first voltage to the first semiconductor switch tube module 140 or output the Two voltages to the second semiconductor switch tube module 150.
Specifically, battery pack 110 includes:First battery 111 and the second battery 112.First battery 111 and the second battery 112 be model identical lithium battery, and the first battery 111 and the second battery 112 export 12V voltage.First battery 111 Negative pole end and the second battery 112 positive terminal coupling form battery pack 110, the negative pole end of the second battery 112 is battery pack 110 negative pole end, and coupled external loads 11 to form loop.The positive terminal of first battery 111 is the first of battery pack 110 Output end, and couple the input of the first semiconductor switch tube module 140.It is understood that the first output end of battery pack 110 The first voltage of output is connected output by the first battery 111 and the second battery 112, and then the first output end of battery pack 110 is defeated It can be 24V to go out to the first voltage of the input of the first semiconductor switch tube module 140.The negative pole end of first battery 111 and The positive terminal coupling of second battery 112 forms the coupled end of the battery 112 of the first battery 111 and second, and the coupled end is Second output end of battery pack 110.It is understood that the second voltage of the second output end output of battery pack 110 is by the second electricity Pond 112 is exported, and then the second output end of battery pack 110 is exported to the of the input of the second semiconductor switch tube module 150 Two voltages can be 12V.
Battery management module 120 passes through the first output end with battery pack 110 respectively, the second output end of battery pack 110 Coupled with the negative pole end of battery pack 110, it is stable to the output first voltage of battery pack 110 or second voltage to realize.
Specifically, battery management module 120 includes:First battery management unit 121 and the second battery management unit 122. First battery management unit 121 couples the positive terminal and negative pole end of the first battery 111 respectively, and the second battery management unit 122 is then The positive terminal and negative pole end of the second battery 112 are coupled respectively.
First battery management unit 121 can be IC chip, the first battery management unit 121 by with the first electricity The coupling in pond 111, the first battery management unit 121 can gather the first voltage that the first battery 111 is exported.First cell tube The value that reason unit 121 parses the first voltage then can interpolate that whether first voltage is stable 24V.When for 24V when, first electricity Pond administrative unit 121 is then not involved in the regulation to the first battery 111.When not being 24V, the first battery management unit 121 is then The output voltage of first battery 111 is adjusted by the coupling with the first battery 111, so that the output that the first battery 111 is stable 24V first voltage.
Second battery management unit 122 can also be IC chip, and the second battery management unit 122 is by with second The coupling of battery 112, the second battery management unit 122 can gather the second voltage that the second battery 112 is exported.Second battery The value that administrative unit 122 parses the second voltage then can interpolate that whether second voltage is stable 12V.When for 12V when, second Battery management unit 122 is then not involved in the regulation to the second battery 112.When not being 12V, the second battery management unit 122 is then The output voltage of the second battery 112 is adjusted also by the coupling with the second battery 112, so that the second battery 112 stabilization is defeated Go out 12V second voltage.
Main control module 130 can be IC chip, and it has signal handling capacity.Wherein, main control module 130 can be with It is general processor, including central processing unit (Central Processing Unit, abbreviation CPU), network processing unit (Network Processor, abbreviation NP) etc.;Can also be digital signal processor (DSP), application specific integrated circuit (ASIC), Ready-made programmable gate array (FPGA) either other PLDs, discrete gate or transistor logic, discrete hard Part component.General processor can be microprocessor or the processor can also be any conventional processor etc..
The I/O ports of main control module 130 can be respectively coupled to by protection module 160 external loading 11 positive terminal and Negative pole end, thus the coupled external of voltage switching output device 100 load 11 when, main control module 130 by I/O ports can with it is outer Section load 11 is communicated, to judge that the matching voltage of the external loading 11 is first voltage, or second voltage.Main control module 130 driving port can respectively with the first semiconductor switch tube module 140 control terminal and the second semiconductor switch tube module 150 control terminal coupling.When main control module 130 judge external loading 11 matching voltage for first voltage when, main control module 130 Control signal is generated to the control terminal of the first semiconductor switch tube module 140 according to pre-set control programs, so that the first semiconductor Switch tube module 140 turns on.When main control module 130 judge external loading 11 matching voltage for second voltage when, main control module 130 generate control signal to the control terminal of the second semiconductor switch tube module 150 according to pre-set control programs, so that the second half Conductor switch tube module 150 turns on.Wherein, the control signal that main control module 130 exports can be believed for 2.5V to 5V high level Number.
In the present embodiment, main control module 130 is respectively coupled to the positive terminal of external loading 11 by protection module 160 and born After extreme, main control module 130 can also monitor the first semiconductor switch tube module 140, and whether to output first voltage negative to outside 11 are carried, and also monitors whether the second semiconductor switch tube module 150 outputs second voltage to external loading 11.It is specifically, main Control module 130 judge in preset duration, with by protection module 160 with whether being obtained at the coupling of the positive terminal of external loading 11 Get first voltage or second voltage.Wherein, preset duration is 3 minutes.If getting first voltage in preset duration, lead Control module 130 judges current external loading 11 also in couple state, and then continues to output control signal to the first semiconductor Tube module 140 is switched, to control the first semiconductor switch tube module 140 to continue to conducting state, battery pack 110 continues to outer Section load 11 is powered.If getting second voltage in preset duration, main control module 130 judges current external loading 11 also In couple state, and then control signal is continued to output to the second semiconductor switch tube module 150, to control the second semiconductor to open Close tube module 150 and continue to conducting state, battery pack 110 also continues to power to external loading 11.If in preset duration not First voltage is got, then main control module 130 judges that current external loading 11 is already off, and then stops output control signal To the first semiconductor switch tube module 140, cut-off state is returned to by conducting with the first semiconductor switch tube module 140 of control, Battery pack 110 is then stopped power supply.If not getting second voltage in preset duration, main control module 130 judges current outer Section load 11 is already off, and then stops outputing control signals to the second semiconductor switch tube module 150, is led with control the second half Body switch tube module 150 returns to cut-off state by conducting, and battery pack 110 is then also stopped power supply.
Refer to Fig. 3 and Fig. 4, the input of the first semiconductor switch tube module 140 and the first output end of battery pack 110 Coupling, the control terminal of the first semiconductor switch tube module 140 couples with main control module 130, and the first semiconductor switch tube module 140 output end is then coupled by protection module 160 with the positive terminal of external loading 11.
In the present embodiment, the first semiconductor switch tube module 140 includes:First drive circuit 141 and the first semiconductor are opened Close pipe circuit 142.The control terminal of first drive circuit 141 couples with main control module 130, the output end of the first drive circuit 141 Coupled with the control terminal of the first semiconductor switch pipe circuit 142, the input and battery pack of the first semiconductor switch pipe circuit 142 110 the first output end coupling, the output end of the first semiconductor switch pipe circuit 142 then pass through the coupled external of protection module 160 The positive terminal of load 11.
Specifically, the first drive circuit 141 is used to generate level signal according to the control signal of main control module 130, will Level signal is exported to the first semiconductor switch tube module 140.
In the first drive circuit 141:
First resistor R1 one end coupling 5V voltages, the 5V voltages export second voltage via three ends by the second battery 112 Voltage stabilizing chip decompression obtains.The first resistor R1 other end couples the first photoelectrical coupler OC1 anode tap.First amplifier U1 Input be provided with the connectivity port A1 of coupling main control module 130, the first amplifier U1 output end and the first photoelectrical coupler OC1 cathode terminal coupling.First photoelectrical coupler OC1 collector and emitter then with the first semiconductor switch pipe circuit 142 couplings.
When connectivity port, A1 gets the control signal of main control module 130, the first amplifier U1 amplifies control signal Export to the first photoelectrical coupler OC1 cathode terminal, so that the first photoelectrical coupler OC1 is turned on, and then the first photoelectrical coupler OC1 is produced by conducting and outputs level signals are to the first semiconductor switch tube module 140.
First semiconductor switch pipe circuit 142 be used for the first semiconductor switch pipe circuit 142 according to level signal and by Conducting state is changed into cut-off, and the first voltage of battery pack 110 is exported to external loading 11.
In the first semiconductor switch pipe circuit 142:
The source electrode of second resistance R2 one end and 3rd resistor R3 one end with the first FET MOS1 couples, and sets There is the connectivity port A2 of the first output end of coupling battery pack 110.In the second resistance R2 other end and the first drive circuit 141 First photoelectrical coupler OC1 colelctor electrode coupling.First FET MOS1 drain electrode is provided with coupled external load positive terminal Connectivity port A3.First FET MOS1 grid and the 3rd resistor R3 other end then and the 4th resistance R4 one end coupling Close.The 4th resistance R4 other end and the first triode Q1 colelctor electrode couple, the first triode Q1 grounded emitter, and first Emitter stage of the triode Q1 base stage then with the first photoelectrical coupler OC1 in the first drive circuit 141 couples.
When the first 141 outputs level signals of drive circuit, level signal is loaded into the first triode Q1 base stage so that First triode Q1 saturation conductions.And then first FET MOS1 grid positively biased, the first FET MOS1 changes by ending It is changed into conducting state.The first voltage got by connectivity port A2 is then exported to protection module 160 by connectivity port A3, with Exported by protection module 160 to the positive terminal of external loading 11.
Refer to Fig. 3 and Fig. 5, the input of the second semiconductor switch tube module 150 and the second output end of battery pack 110 Coupling, the control terminal of the second semiconductor switch tube module 150 couples with main control module 130, and the second semiconductor switch tube module 150 output end then couples also by protection module 160 with the positive terminal of external loading 11.
In the present embodiment, the second semiconductor switch tube module 150 includes:Second drive circuit 151 and the second semiconductor are opened Close pipe circuit 152.The control terminal of second drive circuit 151 couples with main control module 130, the output end of the second drive circuit 151 Coupled with the control terminal of the second semiconductor switch pipe circuit 152, the input and battery pack of the second semiconductor switch pipe circuit 152 110 the second output end coupling, the output end of the second semiconductor switch pipe circuit 152 then pass through the coupled external of protection module 160 The positive terminal of load 11.
Specifically, the second drive circuit 151 is used to generate level signal according to the control signal of main control module 130, will Level signal is exported to the second semiconductor switch tube module 150.
In the second drive circuit 151:
5th resistance R5 one end coupling 5V voltages, the 5V voltages export second voltage via three ends by the second battery 112 Voltage stabilizing chip decompression obtains.The 5th resistance R5 other end couples the second photoelectrical coupler OC2 anode tap.Second amplifier U2 Input be provided with the connectivity port B1 of coupling main control module 130, the second amplifier U2 output end and the second photoelectrical coupler OC2 cathode terminal coupling.Second photoelectrical coupler OC2 collector and emitter then with the second semiconductor switch pipe circuit 152 couplings.
When connectivity port, B1 gets the control signal of main control module 130, the second amplifier U2 amplifies control signal Export to the second photoelectrical coupler OC2 cathode terminal, so that the second photoelectrical coupler OC2 is turned on, and then the second photoelectrical coupler OC2 is produced by conducting and outputs level signals are to the second semiconductor switch tube module 150.
Second semiconductor switch pipe circuit 152 is changed into for the second semiconductor switch pipe circuit 152 according to by cut-off Conducting state, the second voltage of battery pack 110 is exported to external loading 11.
In the second semiconductor switch pipe circuit 152:
The source electrode of 6th resistance R6 one end and the 7th resistance R7 one end with the second FET MOS2 couples, and sets There is the connectivity port B2 of the second output end of coupling battery pack 110.In the 6th resistance R6 other end and the second drive circuit 151 Second photoelectrical coupler OC2 colelctor electrode coupling.Second FET MOS2 drain electrode is provided with coupled external load positive terminal Connectivity port B3.Second FET MOS2 grid and the 7th resistance R7 other end then and the 8th resistance R8 one end coupling Close.The 8th resistance R8 other end and the second triode Q2 colelctor electrode couple, the second triode Q2 grounded emitter, and second Emitter stage of the triode Q2 base stage then with the second photoelectrical coupler OC2 in the second drive circuit 151 couples.
When the second 151 outputs level signals of drive circuit, level signal is loaded into the second triode Q2 base stage so that Second triode Q2 saturation conductions.And then second FET MOS2 grid positively biased, the second FET MOS2 changes by ending It is changed into conducting state.The second voltage got by connectivity port B2 is then exported to protection module 160 by connectivity port B3, with Exported by protection module 160 to the positive terminal of external loading 11.
Referring to Fig. 3, protection module 160 is IC chip, and it is coupling in the loop of voltage switching output device 100 In.Specifically, the output end with the first semiconductor switch tube module 140, the second semiconductor are opened respectively for one end of protection module 160 Close the output end of tube module 150, the negative pole end of battery pack 110 and main control module 130 to couple, the other end of protection module 160 is then Coupled respectively with the positive terminal of external loading 11 and the negative pole end of external loading 11.When protection module 160 monitor it is over-pressed, deficient When pressure, short circuit or excess temperature, protection module 160 then cuts off the loop for being coupled to external loading 11, and voltage switching is exported with realizing The protection of each module in device 100.
Referring to Fig. 6, the embodiments of the invention provide a kind of voltage switching output intent, voltage switching output intent application Main control module in voltage switching output device.Specifically, voltage switching output intent includes:Step S100, step S200, Step S300 and step S400.
Step S100:Obtain the matching voltage of external loading.
Step S200:Judge the matching voltage for first voltage or second voltage;When for the first voltage, control the Semiconductor switch tube module conducting, so that battery pack exports the first voltage to the external loading, when for described second Voltage, control the second semiconductor switch tube module conducting, so that the battery pack exports the second voltage to the outside and born Carry, wherein, the first voltage is more than the second voltage.
Step S300:Judge in preset duration institute whether is got at the coupling with the positive terminal of the external loading State first voltage or the second voltage.
Step S400:If getting the first voltage, the first semiconductor switch tube module is controlled to be held on, if The first voltage is not got, controls the first semiconductor switch tube module cut-off, if getting the second voltage, control Make the second semiconductor switch tube module to be held on, if not getting the second voltage, control second semiconductor Switch tube module cut-off.
It is understood that the voltage switching output intent described in the present embodiment see above-mentioned device.For ease of description It is succinct, do not do excessive tired state herein.
In summary, the embodiments of the invention provide a kind of voltage switching output device and method, voltage switching output dress Put including:Battery pack, the first semiconductor switch tube module, the second semiconductor switch tube module and main control module.First semiconductor The input of switch tube module couples with the first output end of battery pack, the input and battery of the second semiconductor switch tube module The control terminal of the second output end coupling of group, the control terminal of the first semiconductor switch tube module and the second semiconductor switch tube module Coupled with main control module, the output end of the output end of the first semiconductor switch tube module and the second semiconductor switch tube module is equal For the positive terminal of coupled external load, the negative pole end of battery pack is used for the negative pole end of coupled external load, and main control module is used for The positive terminal and negative pole end of coupled external load respectively.
Main control module is first voltage or second voltage by the matching voltage of automatic decision external loading, when judgement matches When voltage is first voltage, main control module just can control the first semiconductor switch tube module to turn on, so that battery pack exports institute First voltage is stated to external loading, and when it is second voltage to judge matching voltage, main control module can also control the second half to lead Body switch tube module conducting, so that battery pack exports the second voltage to external loading.By main control module automatic decision and Control output, the electric starter motor that voltage switching output device may be directly coupled to automobile are restarted electric starter motor to realize, made The rescue time for obtaining automobile further shortens, and adds the rescue efficiency of automobile.
For those skilled in the art, the present invention can have various modifications and variations.All spirit in the present invention Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.

Claims (10)

1. a kind of voltage switching output device, it is characterised in that the voltage switching output device includes:Battery pack, the first half Conductor switch tube module, the second semiconductor switch tube module and main control module, the input of the first semiconductor switch tube module End couples with the first output end of the battery pack, input and the battery pack of the second semiconductor switch tube module Second output end couples, the control of the control terminal of the first semiconductor switch tube module and the second semiconductor switch tube module End processed couples with the main control module, the output end of the first semiconductor switch tube module and second semiconductor switch The output end of tube module is used to the positive terminal of coupled external load, and the negative pole end of the battery pack is used for coupled external load Negative pole end, the main control module are used for the positive terminal and negative pole end for coupling the external loading respectively;
The main control module, for judging the matching voltage of the external loading for first voltage or second voltage, when to be described First voltage, the first semiconductor switch tube module conducting is controlled, so that the battery pack exports the first voltage to institute External loading is stated, when for the second voltage, controlling the second semiconductor switch tube module conducting, so that the battery pack is defeated Go out the second voltage to the external loading, wherein, the first voltage is more than the second voltage.
2. voltage switching output device according to claim 1, it is characterised in that the first semiconductor switch tube module Including:First drive circuit and the first semiconductor switch pipe circuit, the control terminal of first drive circuit and the master control mould Block couples, and the output end of first drive circuit couples with the control terminal of the first semiconductor switch pipe circuit, and described the The input of semiconductor switching tube circuit couples with the first output end of the battery pack, the first semiconductor switch pipe electricity The output end on road is used for the positive terminal for coupling the external loading;
The main control module, for when it is the first voltage to judge the matching voltage, outputing control signals to described the One drive circuit;
First drive circuit, for generating level signal according to the control signal of the main control module, by the level Signal output is to the first semiconductor switch tube module;
The first semiconductor switch pipe circuit, for being turned on according to the level signal, by described the of the battery pack One voltage output is to the external loading.
3. voltage switching output device according to claim 2, it is characterised in that the first semiconductor switch tube module Including:First triode and the first FET, the base stage of first triode and the output end of first drive circuit Coupling, the grounded emitter of first triode, the grid of the colelctor electrode of first triode and first FET Pole couples, and the source electrode of the FET couples with the first output end of the battery pack, and the drain electrode of the FET is used for Couple the positive terminal of the external loading.
4. voltage switching output device according to claim 1, it is characterised in that the second semiconductor switch tube module Including:Second drive circuit and the second semiconductor switch pipe circuit, the control terminal of second drive circuit and the master control mould Block couples, and the output end of second drive circuit couples with the control terminal of the second semiconductor switch pipe circuit, and described the The input of two semiconductor switch pipe circuits couples with the second output end of the battery pack, the second semiconductor switch pipe electricity The output end on road is used for the positive terminal for coupling the external loading;
The main control module, for when it is the second voltage to judge the matching voltage, outputing control signals to described the Two drive circuits;
Second drive circuit, for generating level signal according to the control signal of the main control module, by the level Signal output is to the second semiconductor switch tube module;
The second semiconductor switch pipe circuit, for being turned on according to the level signal, by described the of the battery pack Two voltage outputs are to the external loading.
5. voltage switching output device according to claim 4, it is characterised in that the second semiconductor switch tube module Including:Second triode and the second FET, the base stage of second triode and the output end of second drive circuit Coupling, the grounded emitter of second triode, the colelctor electrode of second triode and the grid coupling of the FET Close, the source electrode of the FET couples with the second output end of the battery pack, and the drain electrode of the FET is used to couple The positive terminal of the external loading.
6. voltage switching output device according to claim 1, it is characterised in that the battery pack includes:First battery With the second battery, the positive terminal coupling of the negative pole end of first battery and second battery forms first battery and institute The coupled end of the second battery is stated, the coupled end of first battery and second battery exports for the second of the battery pack End, the positive terminal of first battery are the first output end of the battery pack, and the negative pole end of second battery is the electricity The negative pole end of pond group.
7. voltage switching output device according to claim 1, it is characterised in that the voltage switching output device also wraps Include:Battery management module, the first output end with the battery pack respectively of the battery management module, the of the battery pack The negative pole end of two output ends and the battery pack couples.
8. voltage switching output device according to claim 1, it is characterised in that the voltage switching output device also wraps Include:Protection module, the protection module output end with the first semiconductor switch tube module, second semiconductor respectively The output end of tube module, the negative pole end of the battery pack and main control module coupling are switched, the protection module is used to distinguish Coupled with the positive terminal of the external loading and the negative pole end of the external loading.
9. a kind of voltage switching output intent, it is characterised in that the voltage switching output intent is applied to claim 1-8 and appointed The main control module of voltage switching output device described in meaning one, the voltage switching output intent include:
Obtain the matching voltage of external loading;
Judge the matching voltage for first voltage or second voltage;When for the first voltage, controlling the first semiconductor switch Tube module turns on, so that battery pack exports the first voltage to the external loading, when for the second voltage, control second Semiconductor switch tube module turns on, so that the battery pack exports the second voltage to the external loading, wherein, described the One voltage is more than the second voltage.
10. voltage switching output intent according to claim 9, it is characterised in that the voltage switching output intent is also Including:
Judge in preset duration the first voltage or institute whether are got at the coupling with the positive terminal of the external loading State second voltage;
If getting the first voltage, the first semiconductor switch tube module is controlled to be held on, if not getting described First voltage, the first semiconductor switch tube module cut-off is controlled, if getting the second voltage, control described the second half Conductor switch tube module is held on, if not getting the second voltage, controls the second semiconductor switch tube module to cut Only.
CN201710697261.7A 2017-08-15 2017-08-15 voltage switching output device and method Pending CN107370211A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710697261.7A CN107370211A (en) 2017-08-15 2017-08-15 voltage switching output device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710697261.7A CN107370211A (en) 2017-08-15 2017-08-15 voltage switching output device and method

Publications (1)

Publication Number Publication Date
CN107370211A true CN107370211A (en) 2017-11-21

Family

ID=60309986

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710697261.7A Pending CN107370211A (en) 2017-08-15 2017-08-15 voltage switching output device and method

Country Status (1)

Country Link
CN (1) CN107370211A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101079542A (en) * 2006-05-24 2007-11-28 三星Sdi株式会社 Battery pack
US20130336016A1 (en) * 2012-06-14 2013-12-19 Murata Manufacturing Co., Ltd. Switching power-supply device
CN203859501U (en) * 2014-04-23 2014-10-01 深圳Tcl新技术有限公司 Battery pack discharge protection circuit and device
CN105098878A (en) * 2015-06-01 2015-11-25 龙门县佳茂聚氨酯橡胶有限公司 Driving circuit capable of switching trial mode and normal mode
CN106507549A (en) * 2016-12-29 2017-03-15 重庆奥海辉龙大数据有限公司 LED drive power and system
CN207265691U (en) * 2017-08-15 2018-04-20 宁夏黑金昊源绿能科技有限公司 Voltage switching output device and system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101079542A (en) * 2006-05-24 2007-11-28 三星Sdi株式会社 Battery pack
US20130336016A1 (en) * 2012-06-14 2013-12-19 Murata Manufacturing Co., Ltd. Switching power-supply device
CN203859501U (en) * 2014-04-23 2014-10-01 深圳Tcl新技术有限公司 Battery pack discharge protection circuit and device
CN105098878A (en) * 2015-06-01 2015-11-25 龙门县佳茂聚氨酯橡胶有限公司 Driving circuit capable of switching trial mode and normal mode
CN106507549A (en) * 2016-12-29 2017-03-15 重庆奥海辉龙大数据有限公司 LED drive power and system
CN207265691U (en) * 2017-08-15 2018-04-20 宁夏黑金昊源绿能科技有限公司 Voltage switching output device and system

Similar Documents

Publication Publication Date Title
TWI539720B (en) Power battery management system with low power state auto wake-up function
US20180152043A1 (en) Power tool and control method thereof
JP7039773B2 (en) Power system including battery pack
CN207265694U (en) Voltage switching output device and system
CN107370210A (en) voltage switching output device and method
CN101630859B (en) Mobile terminal charger
CN206547012U (en) Charging circuit and electronic equipment
CN207265691U (en) Voltage switching output device and system
CN208094170U (en) A kind of battery protecting circuit and dust catcher
GB2414873A (en) Battery charger with disconnection
CN107342612A (en) Voltage switching output device and method
CN107370211A (en) voltage switching output device and method
TWI556539B (en) Battery pack series and parallel matrix connection application module
CN207265692U (en) Voltage switching output device and system
CN110034595B (en) Backup power supply management device and vehicle-mounted equipment
CN207265693U (en) Voltage switching output device and system
CN207010339U (en) Mobile terminal and its electric power system
CN207265695U (en) Voltage switching output device and system
CN206452178U (en) Zero stand-by power consumption on-off circuit
CN107370212A (en) voltage switching output device and method
CN107342613A (en) Voltage switching output device and method
CN210957837U (en) Detection control circuit, battery pack and electric tool
CN105048407B (en) A kind of anti-direct current backflow load protection circuit capable of delaying disconnection
CN105927448A (en) Circuit control system and unmanned aerial vehicle
CN216016486U (en) Battery protection circuit for inflator pump

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20181108

Address after: 037000 high tech Innovation Service Center, No. 90, Si Xian street, Datong Development Zone, Shanxi 405

Applicant after: Datong Austria Seth Amperex Technology Ltd.

Address before: 750000 No. 4, strategic emerging materials processing zone, 288 Wen Cui Nan Street, Xixia District, Yinchuan, the Ningxia Hui Autonomous Region

Applicant before: NINGXIA HEIJIN HAOYUAN GREEN ENERGY TECHNOLOGY CO.,LTD.

CB02 Change of applicant information
CB02 Change of applicant information

Address after: 037000 High-tech Venture Service Center 405, 90 Sixian Street, Datong Development Zone, Shanxi Province

Applicant after: Datong aosaisi New Energy Technology Co.,Ltd.

Address before: 037000 High-tech Venture Service Center 405, 90 Sixian Street, Datong Development Zone, Shanxi Province

Applicant before: Datong Austria Seth Amperex Technology Ltd.

WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20171121