CN107342612A - Voltage switching output device and method - Google Patents
Voltage switching output device and method Download PDFInfo
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- CN107342612A CN107342612A CN201710689830.3A CN201710689830A CN107342612A CN 107342612 A CN107342612 A CN 107342612A CN 201710689830 A CN201710689830 A CN 201710689830A CN 107342612 A CN107342612 A CN 107342612A
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- voltage
- relay switch
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- battery
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- 238000000034 method Methods 0.000 title abstract description 6
- 238000011068 loading method Methods 0.000 claims description 64
- 230000008878 coupling Effects 0.000 claims description 37
- 238000010168 coupling process Methods 0.000 claims description 37
- 238000005859 coupling reaction Methods 0.000 claims description 37
- 230000005611 electricity Effects 0.000 claims description 7
- 239000007858 starting material Substances 0.000 abstract description 19
- 230000006978 adaptation Effects 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005622 photoelectricity Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000004549 pulsed laser deposition Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- H02J7/0031—Circuit 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
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 relay switch, the second relay switch and main control module.The input of first relay switch couples with the first output end of battery pack, and the input of the second relay switch couples with the second output end of battery pack, and the control terminal of the control terminal of the first relay switch and the second relay switch couples with main control module.The output end of first relay switch and the output end of the second relay switch are used to the positive terminal of coupled external load, and 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 for distinguishing coupled external load.Exported by main control module automatic decision and control, the electric starter motor that voltage switching output device may be directly coupled to automobile restarts electric starter motor to realize so that the rescue time of automobile further shortens, and adds the rescue efficiency of automobile.
Description
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 relay switch, the second relay switch and main control module.The input of first relay switch with it is described
The first output end coupling of battery pack, the input of second relay switch couple with the second output end of the battery pack,
The control terminal of first relay switch and the control terminal of second relay switch couple with the main control module.Described
The output end of one relay switch and the output end of second relay switch are used to the positive terminal of coupled external load, the electricity
The negative pole end of pond group is used for the negative pole end of coupled external load, and the main control module is used to couple the external loading respectively just
Extreme and negative pole end.The main control module, for judging the matching voltage of the external loading for first voltage or second voltage,
When for the first voltage, controlling the first relay switch circuit closed, so that the battery pack exports the first voltage
To the external loading, when for the second voltage, the second relay switch circuit closed being controlled, 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.
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；Opened when for the first voltage, the first relay of control
The circuit closed of pass, so that battery pack exports the first voltage to the external loading, when for the second voltage, control the
The circuit closed of two relay switch, so that the battery pack exports the second voltage to the external loading, wherein, described the
One voltage is 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 relay switch circuit closed, so that battery pack output described the
For one voltage to external loading, and when it is second voltage to judge matching voltage, main control module can also control the second relay switch
Circuit closed, so that battery pack exports the second voltage to external loading.Exported by main control module automatic decision and control,
The electric starter motor that voltage switching output device may be directly coupled to automobile restarts electric starter motor to realize so that automobile is rescued
Help the time and further shorten, add 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 circuit of the first relay switch in a kind of voltage switching output device provided in an embodiment of the present invention
Figure；
Fig. 5 shows the circuit of the second relay switch in a kind of voltage switching output device provided in an embodiment of the present invention
Figure；
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；The relay switch of 140- first；The drive circuits of 141- first；142- the first relay switch circuits；
The relay switch of 150- second；The drive circuits of 151- second；152- the second relay switch circuits；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 relay switch 140, the second relay switch
150 and protection module 160.
Battery pack 110 is used to store electric energy, and exports first voltage to the first relay switch 140 or export second voltage extremely
Second relay switch 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 circuit closed of the first relay switch 140 is controlled, when for the second voltage, controlling the loop of the second relay switch 150
Closure.
First relay switch 140 is used to close itself loop according to the control of main control module 130, by the first of acquisition
Voltage output is to external loading 11.
Second relay switch 150 is used to close itself loop 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 input of the first relay switch 140
The input that the second output end is coupled with the second relay switch 150 couples, and the negative pole end of battery pack 110 and external loading 11
Negative pole end couples, to export first voltage to the first relay switch 140 or export second voltage to the second relay switch 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 relay switch 140.It is understood that the of the first output end output of battery pack 110
One voltage is connected output by the first battery 111 and the second battery 112, and then the first output end of battery pack 110 is exported to first
The first voltage of the input of relay switch 140 can be 24V.The positive pole of the negative pole end of first battery 111 and the second battery 112
End coupling forms the coupled end of the battery 112 of the first battery 111 and second, and the coupled end is the second defeated of battery pack 110
Go out end.It is understood that the second voltage of the second output end output of battery pack 110 is exported by the second battery 112, and then battery
It can be 12V that second output end of group 110, which is exported to the second voltage of the input of the second relay switch 150,.
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 couple with the control terminal of the first relay switch 140 and the control terminal of the second relay switch 150 respectively.
When main control module 130 judge external loading 11 matching voltage for first voltage when, main control module 130 is according to pre-set control programs
Control signal is generated to the control terminal of the first relay switch 140, so that the circuit closed of the first relay switch 140.When master control mould
Block 130 judge external loading 11 matching voltage for second voltage when, main control module 130 then according to pre-set control programs generate control
Signal processed to the second relay switch 150 control terminal so that the circuit closed of the second relay switch 150.Wherein, main control module
The control signal of 130 generations can be 2.5V to 5V high level signal.
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 whether the first relay switch 140 outputs first voltage to external loading 11, and
Also monitor whether the second relay switch 150 outputs second voltage to external loading 11.Specifically, main control module 130 judges
In preset duration, with by whether got at the coupling of protection module 160 and the positive terminal of external loading 11 first voltage or
Second voltage.Wherein, preset duration is 3 minutes.If getting first voltage in preset duration, main control module 130 judges
Current external loading 11 continues to output control signal to the first relay switch 140 also in couple state, to control
The loop of one relay switch 140 remains closed, and battery pack 110 continues to power to external loading 11.If obtained in preset duration
To second voltage, then main control module 130 judges current external loading 11 also in couple state, and then continues to output control letter
Number to the second relay switch 150, to control the loop of the second relay switch 150 to remain closed, battery pack 110 is also continued to outside
The power supply of load 11.If not getting first voltage in preset duration, main control module 130 has judged current external loading 11
Through disconnecting, and then stop outputing control signals to the first relay switch 140, to control the loop of the first relay switch 140 to disconnect,
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 relay switch 150, to control the second relay switch 150
Loop disconnect, battery pack 110 then also stops power supply.
Fig. 3 and Fig. 4 are referred to, the input of the first relay switch 140 couples with the first output end of battery pack 110, the
The control terminal of one relay switch 140 couples with main control module 130, and the output end of the first relay switch 140 is then by protecting mould
Block 160 couples with the positive terminal of external loading 11.
In the present embodiment, the first relay switch 140 includes：First drive circuit 141 and the first relay switch circuit 142.
The control terminal of first drive circuit 141 is coupled with main control module 130, and output end and the first relay of the first drive circuit 141 are opened
The control terminal coupling on powered-down road 142, the input of the first relay switch circuit 142 couple with the first output end of battery pack 110,
The output end of first relay switch circuit 142 then passes through the positive terminal of the coupled external of protection module 160 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 relay switch 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 coupling of the first relay switch circuit 142
Close.
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 relay switch 140.
The loop that first relay switch circuit 142 is used for the first relay switch circuit 142 closes according to level signal, with
The first voltage of battery pack 110 is exported to external loading 11.
In the first relay switch circuit 142：
First end of second resistance R2 one end and the first diode D1 cathode terminal with the first relay JDQ1 couples,
And obtain the second voltage of the second battery 112 output.First photoelectricity in the second resistance R2 other end and the first drive circuit 141
Coupler OC1 colelctor electrode coupling.First diode D1 anode tap couples with the first relay JDQ1 the second end, wherein,
First relay JDQ1 the second end is the first relay JDQ1 control terminal.First relay JDQ1 input is provided with coupling
The connectivity port A2 of first output end of battery pack 110.First relay JDQ1 output end is provided with coupled external load 11
Connectivity port A3, connectivity port A3 with pass through the coupled external of protection module 160 load 11 positive terminal.First triode Q1 base
Pole couples with the emitter stage of the first photoelectrical coupler OC1 in the first drive circuit 141, the first triode Q1 colelctor electrode and first
Relay JDQ1 control terminal coupling.3rd resistor R3 one end couples with the first triode Q1 base stage, 3rd resistor R3's
The other end is coupled and is grounded with the first triode Q1 emitter stage.
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 relay JDQ1 be powered, its switch closure.Got by connectivity port A2
One voltage is then exported to protection module 160 by connectivity port A3, to be exported by protection module 160 to external loading 11 just
Extremely.
Fig. 3 and Fig. 5 are referred to, the input of the second relay switch 150 couples with the second output end of battery pack 110, the
The control terminal of two relay switch 150 couples with main control module 130, and the output end of the second relay switch 150 is then also by protection
Module 160 couples with the positive terminal of external loading 11.
In the present embodiment, the second relay switch 150 includes：Second drive circuit 151 and the second relay switch circuit 152.
The control terminal of second drive circuit 151 is coupled with main control module 130, and output end and the second relay of the second drive circuit 151 are opened
The control terminal coupling on powered-down road 152, the input of the second relay switch circuit 152 couple with the second output end of battery pack 110,
The output end of second relay switch circuit 152 then passes through the positive terminal of the coupled external of protection module 160 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 relay switch 150.
In the second drive circuit 151：
4th resistance R4 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 4th resistance R4 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 coupling of the second relay switch circuit 152
Close.
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 relay switch 150.
The loop that second relay switch circuit 152 is used for the second relay switch circuit 152 closes according to level signal, with
The second voltage of battery pack 110 is exported to external loading 11.
In the second relay switch circuit 152：
First end of 5th resistance R5 one end and the second diode D2 cathode terminal with the second relay JDQ2 couples,
And obtain the second voltage of the second battery 112 output.Second photoelectricity in the 5th resistance R5 other end and the second drive circuit 151
Coupler OC2 colelctor electrode coupling.Second diode D2 anode tap couples with the second relay JDQ2 the second end, wherein,
Second relay JDQ2 the second end is the second relay JDQ2 control terminal.Second relay JDQ2 input is provided with coupling
The connectivity port B2 of second output end of battery pack 110.Second relay JDQ2 output end is provided with coupled external load 11
Connectivity port B3, connectivity port B3 with pass through the coupled external of protection module 160 load 11 positive terminal.Second triode Q2 base
Pole couples with the emitter stage of the second photoelectrical coupler OC2 in the second drive circuit 151, the second triode Q2 colelctor electrode and second
Relay JDQ2 control terminal coupling.6th resistance R6 one end couples with the second triode Q2 base stage, the 6th resistance R63's
The other end is coupled and is grounded with the second triode Q2 emitter stage.
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 relay JDQ2 be powered, its switch closure.Got by connectivity port B2
Two voltages are then exported to protection module 160 by connectivity port B3, to be exported by protection module 160 to external loading 11 just
Extremely.
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, one end of protection module 160 respectively the output end with the first relay switch 140, the second relay switch 150 it is defeated
Go out end, the negative pole end of battery pack 110 and main control module 130 couple, the other end of protection module 160 then respectively with external loading 11
Positive terminal and external loading 11 negative pole end coupling.When protection module 160 monitors over-pressed, under-voltage, short-circuit or excess temperature, protect
Shield module 160 then cuts off the loop for being coupled to external loading 11, to realize the guarantor to each module in voltage switching output device 100
Shield.
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
The circuit closed of one relay switch, so that battery pack exports the first voltage to the external loading, when electric for described second
Pressure, the circuit closed of the second relay switch is controlled, so that the battery pack exports the second voltage to the external loading, its
In, 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 loop of first relay switch is controlled to remain closed, if not
The first voltage is got, controls the loop of first relay switch to disconnect, if getting the second voltage, controls institute
The loop for stating the second relay switch remains closed, if not getting the second voltage, controls returning for second relay switch
Road disconnects.
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 relay switch, the second relay switch and main control module.The input and battery of first relay switch
The first output end coupling of group, the input of the second relay switch couple with the second output end of battery pack, the first relay switch
Control terminal and the control terminal of the second relay switch coupled with main control module.The output end of first relay switch and the second relay
The output end of switch is used to the positive terminal of coupled external load, and the negative pole end of battery pack is used for the negative pole of coupled external load
End, main control module are used for the positive terminal and negative pole end for distinguishing coupled external load.
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 relay switch circuit closed, so that battery pack output described the
For one voltage to external loading, and when it is second voltage to judge matching voltage, main control module can also control the second relay switch
Circuit closed, so that battery pack exports the second voltage to external loading.Exported by main control module automatic decision and control,
The electric starter motor that voltage switching output device may be directly coupled to automobile restarts electric starter motor to realize so that automobile is rescued
Help the time and further shorten, add 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, first after
Electric switch, the second relay switch and main control module, the input of first relay switch and the first output of the battery pack
End coupling, the input of second relay switch couple with the second output end of the battery pack, first relay switch
Control terminal and the control terminal of second relay switch coupled with the main control module, the output of first relay switch
The output end of end and second relay switch is used to the positive terminal of coupled external load, and the negative pole end of the battery pack is used for
The negative pole end of coupled external load, 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 relay switch circuit closed is controlled, so that the battery pack exports the first voltage to described outer
Section load, when for the second voltage, controlling the second relay switch circuit closed, so that battery pack output described the
Two voltages 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 first relay switch includes：The
One drive circuit and the first relay switch circuit, the control terminal of first drive circuit couples with the main control module, described
The output end of first drive circuit couples with the control terminal of the first relay switch circuit, the first relay switch circuit
Input couples with the first output end of the battery pack, and the output end of the first relay switch circuit is used to couple outside described
The positive terminal of section load；
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 first relay switch；
The first relay switch circuit, the loop for the first relay switch circuit this described are closed according to the level signal
Close, the first voltage of the battery pack is exported to the external loading.
3. voltage switching output device according to claim 2, it is characterised in that first relay switch includes：The
One triode and the first relay, the base stage of first triode couples with the output end of first drive circuit, described
The grounded emitter of first triode, the colelctor electrode of first triode couple with the control terminal of first relay, institute
State the input of the first relay to couple with the first output end of the battery pack, the output end of first relay is used for coupling
Close the positive terminal of the external loading.
4. voltage switching output device according to claim 1, it is characterised in that second relay switch includes：The
Two drive circuits and the second relay switch circuit, the control terminal of second drive circuit couples with the main control module, described
The output end of second drive circuit couples with the control terminal of the second relay switch circuit, the second relay switch circuit
Input couples with the second output end of the battery pack, and the output end of the second relay switch circuit is used to couple outside described
The positive terminal of section load；
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 second relay switch；
The second relay switch circuit, the loop for the second relay switch circuit this described are closed according to the level signal
Close, the second voltage of the battery pack is exported to the external loading.
5. voltage switching output device according to claim 4, it is characterised in that second relay switch includes：The
Two triodes and the second relay, the base stage of second triode couples with the output end of second drive circuit, described
The grounded emitter of second triode, the colelctor electrode of second triode couple with the control terminal of second relay, institute
State the input of the second relay to couple with the second output end of the battery pack, the output end of second relay is used for coupling
Close 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 output of the protection module output end with first relay switch, second relay switch respectively
End, the negative pole end of the battery pack and the main control module coupling, the protection module be used for respectively with the external loading
The negative pole end of positive terminal and the external loading couples.
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, the first relay switch of control
Circuit closed so that battery pack exports the first voltage to the external loading, when for the second voltage, control second after
The circuit closed of electric switch, so that the battery pack exports the second voltage to the external loading, wherein, first electricity
Pressure 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 loop of first relay switch is controlled to remain closed, if not getting described the
One voltage, control the loop of first relay switch to disconnect, if getting the second voltage, control second relay to open
The loop of pass remains closed, if not getting the second voltage, controls the loop of second relay switch to disconnect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710689830.3A CN107342612A (en) | 2017-08-15 | 2017-08-15 | Voltage switching output device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710689830.3A CN107342612A (en) | 2017-08-15 | 2017-08-15 | Voltage switching output device and method |
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| CN107342612A true CN107342612A (en) | 2017-11-10 |
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| CN201710689830.3A Pending CN107342612A (en) | 2017-08-15 | 2017-08-15 | Voltage switching output device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11424504B2 (en) | 2019-08-09 | 2022-08-23 | Techtronic Cordless Gp | Battery pack support portion configured to accommodate multiple different device interfaces |
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| WO1991004601A1 (en) * | 1989-09-20 | 1991-04-04 | Yard Jeffrey K | Automatic control circuit for backup voltage supply |
| KR20110081098A (en) * | 2010-01-06 | 2011-07-13 | 주식회사 엘지화학 | Apparatus and method for controlling of battery |
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| US11424504B2 (en) | 2019-08-09 | 2022-08-23 | Techtronic Cordless Gp | Battery pack support portion configured to accommodate multiple different device interfaces |
| US11916245B2 (en) | 2019-08-09 | 2024-02-27 | Techtronic Cordless Gp | Battery pack support portion configured to accommodate multiple different device interfaces |
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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. |
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Application publication date: 20171110 |