CN106655369A - Portable decompressed-start AC mobile power supply - Google Patents
Portable decompressed-start AC mobile power supply Download PDFInfo
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- CN106655369A CN106655369A CN201611157077.5A CN201611157077A CN106655369A CN 106655369 A CN106655369 A CN 106655369A CN 201611157077 A CN201611157077 A CN 201611157077A CN 106655369 A CN106655369 A CN 106655369A
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- China
- Prior art keywords
- lithium battery
- circuit
- connects
- negative pole
- high pressure
- Prior art date
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- 229910052744 lithium Inorganic materials 0.000 claims abstract description 170
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 141
- 230000006837 decompression Effects 0.000 claims description 39
- 238000004891 communication Methods 0.000 claims description 16
- 230000005611 electricity Effects 0.000 claims description 14
- 230000001681 protective effect Effects 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 7
- 230000001012 protector Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 5
- 238000007405 data analysis Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 abstract 1
- 230000000875 corresponding effect Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000005417 food ingredient Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 235000013324 preserved food Nutrition 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 210000000352 storage cell Anatomy 0.000 description 1
- 238000003466 welding 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
-
- H02J2007/0067—
-
- 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
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a portable decompressed-start AC mobile power supply, which comprises a lithium battery pack, a sine inverter circuit and a control circuit, wherein an output end of the lithium battery pack is connected to the sine inverter circuit; the output end of the lithium battery pack is also connected to the control circuit; the sine inverter circuit is also connected with the control circuit; and the control circuit outputs a control signal and is connected to the sine inverter circuit. The portable decompressed-start AC mobile power supply is high in power and convenient to carry, and can achieve decompressed starting when used for electric equipment with relatively high starting current; the impact of the starting current on the AC mobile power supply is reduced and the loading capacity of the mobile power supply is improved; and overall series charging is adopted by the high-voltage lithium battery pack, multistage protection is adopted for charging and discharging and whole-process balance management is carried out on each string of lithium batteries in the high-voltage lithium battery pack, so that the security of the lithium batteries is significantly improved and the portable decompressed-start AC mobile power supply is stable in work and long in service life.
Description
Technical field
The present invention relates to portable power source field, more particularly to a kind of portable decompression starting exchange portable power source.
Background technology
Exchange portable power source be it is a kind of by DC inverter into 220V or 110V alternating currents power equipment.Low power friendship
Stream portable power source is very universal, carries also very convenient.The exchange portable power source of typical high power generally needs to carry combustion
Fry dried food ingredients motor drives the large power generating equipment such as moving electric power car realizing.This kind equipment due to it is excessively heavy, carry inconvenience, into
The shortcomings of this height, big noise, operating efficiency is had a strong impact on, to construction very big inconvenience is brought.Especially in the disaster relief, rush to repair, speedily carry out rescue work
Emergent place will the delay time at stop, cause life and property loss.
The exchange portable power source that prior art is provided, using storage battery power supply, it may have the characteristics of portability.But its electric power storage
Cell voltage is very low, generally less than DC48V, and so as to cause power output not high, generally less than 1000W can be subject in the application very
It is big to limit, it is impossible to connect large power-consuming equipment.
In addition the exchange portable power source that prior art is provided, it is larger in connection starting current not with decompression starting function
Electrical equipment（Such as asynchronous motor）When, it is easy to due to instantaneous power is excessive and damage equipment, or carry out overpower guarantor
Shield, cut-out output, causes motor to start.
The content of the invention
The invention mainly solves the technical problem of providing a kind of portable decompression starting exchanges portable power source, output is lifted
Power, realizes decompression starting, lifts adaptability and electrical stability to large power-consuming equipment.
To solve above-mentioned technical problem, one aspect of the present invention is：A kind of portable decompression starting is provided
Exchange portable power source, including：Lithium battery pack, sine-converter circuit and control circuit, the output end of the lithium battery pack connects just
String inverter circuit, the output end of the lithium battery pack is also connected with the control circuit, and the output end of the sine-converter circuit is defeated
Go out industrial-frequency alternating current, the sine-converter circuit is also connected with the control circuit, and the control circuit output control signal is to just
String inverter circuit.
In a preferred embodiment of the present invention, the portable decompression starting exchange portable power source also includes that DC/DC is electric
Road, the DC/DC circuits are serially connected between lithium battery pack and sine-converter circuit, and the DC/DC circuit outputs are also connected with described
Control circuit, the control circuit output control signal connects DC/DC circuits.
In a preferred embodiment of the present invention, the portable decompression starting exchange portable power source also includes a power frequency
Transformer, the Industrial Frequency Transformer is arranged on the voltage output loop of sine-converter circuit, and the Industrial Frequency Transformer will also be defeated
Go out feedback line and be connected to control circuit, for feeding back the output voltage of Industrial Frequency Transformer.
In a preferred embodiment of the present invention, the lithium battery pack include battery management system, high pressure lithium battery group and
Discharge protector, the output head anode of the battery management system connects the positive pole of the high pressure lithium battery group, battery management
System output negative pole connects the negative pole of the high pressure lithium battery group；The input of the discharge protector connects respectively described
The positive pole and negative pole of high pressure lithium battery group, output end is exported for the power supply of lithium battery pack.
In a preferred embodiment of the present invention, the battery management system includes that charge/discharge control circuit is equal with passive
Balance system, the input connection DC12V-DC42V dc sources of the charge/discharge control circuit, the charge/discharge control circuit
Output head anode connect the positive pole of the high pressure lithium battery group, the negative pole of output end of charge/discharge control circuit connects the height
The negative pole of pressure lithium battery group；The charge/discharge control circuit also connects with the passive equalizing system；
The high pressure lithium battery group includes several sub- lithium battery groups being sequentially connected in series, per individual sub- lithium battery group by several single-lithium-batteries
Pond is combined by series, parallel；The battery management system is also connected with every a string of batteries in the high pressure lithium battery group
Positive pole and negative pole；
The passive equalizing system include array passive equalizing circuit corresponding with sub- lithium battery group difference, passive equalizing circuit it
Between be sequentially connected in series, each group of passive equalizing circuit is used to manage a corresponding sub- lithium battery group, the passive balanced electricity
The positive pole and negative pole of each series lithium battery in the sub- lithium battery group of road connection correspondence.
In a preferred embodiment of the present invention, the charge/discharge control circuit includes PTC, the 3rd gate-controlled switch, full-bridge
DC/DC booster circuits, the second gate-controlled switch, temperature observation circuit, discharge detection circuit and the first controller, the of the PTC
One end connects the positive pole of DC12V-DC42V dc sources, and the second end connects the positive pole of the full-bridge DC/DC booster circuits；
The first end of the 3rd gate-controlled switch connects the negative pole of DC12V-DC42V dc sources, and the second end connects the full-bridge
The negative pole of DC/DC booster circuits；The control end of the 3rd gate-controlled switch connects first controller, for receiving described the
The control signal that one controller sends, is switched on or switched off negative pole and the full-bridge DC/DC boosting of DC12V-DC42V dc sources
The negative pole of circuit；
The output head anode of the full-bridge DC/DC booster circuits connects the positive pole of the high pressure lithium battery group, and negative pole of output end connects
The second gate-controlled switch first end is connect, the full-bridge DC/DC booster circuits are to high pressure lithium battery group entirety serial connection charge；
Second end of second gate-controlled switch connects the negative pole of the high pressure lithium battery group, the control of second gate-controlled switch
The output end of the end connection passive equalizing system, the output end for being switched on or switched off the full-bridge DC/DC booster circuits is born
Pole and the negative pole of the high pressure lithium battery group；
The output end of the temperature observation circuit connects the input of first controller, for monitoring the high pressure lithium battery
The temperature data of group, and output this to first controller；
The output end of the discharge detection circuit connects the input of first controller, for detecting the high pressure lithium battery
The information such as electric current, voltage during group electric discharge, and output this to first controller；
First controller includes the port of array serial communication 1, connects with the passive equalizing circuit respectively, for transmitting
State the information such as voltage, electric current, electricity and the temperature of high pressure lithium battery group, comprehensive data analysis, management；
First controller also includes the port of serial communication 0, outside drawing this port for lithium battery pack and lithium battery pack
Control system enters row data communication.
In a preferred embodiment of the present invention, the passive equalizing circuit includes electric voltage observation circuit, second controller
With multigroup resistance energy consuming circuitry, the input of the electric voltage observation circuit is each in the sub- lithium battery group of RC network connection correspondence
The positive pole and negative pole of series lithium battery, for monitoring the voltage of each series lithium battery；The output end of the electric voltage observation circuit and institute
Second controller connection is stated, for exporting the voltage of each series lithium battery；
The output end of the electric voltage observation circuit is also connected with the control end of second gate-controlled switch, turns on and off for control
Second gate-controlled switch；
The output end of the second controller is connected successively with the input of the resistance energy consuming circuitry, for according to input termination
The information of voltage of each series lithium battery for receiving, each group of resistance energy consuming circuitry of control is opened or closed；
The second controller also includes the port of serial communication 1 ', connects with 1 group of port of serial communication 1 of first controller
Connect, for data transfer.
In a preferred embodiment of the present invention, the resistance energy consuming circuitry includes first resistor, optocoupler, second electric
Resistance, 3rd resistor and triode, the two ends of the first resistor connect respectively the anode and the second controller of the optocoupler
An output end, the minus earth of the optocoupler；
The positive pole of a series lithium battery, the emitter stage connection of the optocoupler in the sub- lithium battery group of colelctor electrode connection correspondence of the optocoupler
The base stage of the triode；
The first end of the second resistance connects the base stage of the triode, and the second end connects a string of lithiums in the sub- lithium battery group
The negative pole of battery；
The positive pole of a series lithium battery, the second end connection described three in the sub- lithium battery group of first end connection correspondence of the 3rd resistor
The colelctor electrode of pole pipe；
The negative pole of a series lithium battery in the sub- lithium battery group of emitter stage connection correspondence of the triode.
In a preferred embodiment of the present invention, the discharge protector is opened including overcurrent protective device and first are controllable
Close, the first end of the overcurrent protective device connects the positive pole of the high pressure lithium battery group, and the second end of overcurrent protective device is
The positive pole of lithium battery pack output end；
The first end of first gate-controlled switch connects the negative pole of the high pressure lithium battery group, and the second end of the first gate-controlled switch is
The negative pole of lithium battery pack output end, the control end of first gate-controlled switch connects the output end of first controller, is used for
The control signal that first controller sends is received, the negative pole of the high pressure lithium battery group is switched on or switched off.
In a preferred embodiment of the present invention, the lithium battery pack input connection DC12V-DC42V power supplies enter
Row charges.
The invention has the beneficial effects as follows：A kind of portable decompression starting exchange portable power source that the present invention is pointed out, with body
Product little, lightweight, power it is big, it is easy to carry the characteristics of, conventional high-power electric instrument, the use of motor can be met, especially
Be adapted to the disaster relief, rush to repair, speedily carry out rescue work, etc. emergent place and communications and transportation, carry used in the environment of inconvenience, also can be in conventional environment
Use as stand-by power supply down, lithium battery pack output high voltage direct current, electric current is little, it is big to be adapted to bear rear class electronic switching circuit
Power application, when lithium battery pack output voltage is sufficiently high, may be omitted with full-bridge DC/DC circuits, and further reduces cost is carried
High efficiency, when for starting current larger electrical equipment, can realize decompression starting, reduce starting current to exchange movement
The impact of power supply, improves the load capacity of portable power source, and high pressure lithium battery group adopts overall serial connection charge, with existing low pressure
Packet charging scheme is compared, and has the advantages that circuit simple, low cost, wiring be easy, production efficiency is high, while full-bridge DC/DC
Booster circuit ensure that the charging current of lithium battery group, duration are consistent, it is to avoid cause the unbalanced peace brought of battery by charging
Full hidden danger, greatly prolongs battery, multi-stage protection is adopted to high pressure lithium battery group charge and discharge, to high pressure lithium battery group
In each series lithium battery all carry out the balanced management of overall process, significantly improve the security of lithium battery, extend lithium battery
Service life.
Description of the drawings
Technical scheme in order to be illustrated more clearly that the embodiment of the present invention, below will be to making needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, can be obtaining other according to these accompanying drawings
Accompanying drawing, wherein：
Fig. 1 is the structured flowchart that a kind of portable decompression starting of the present invention exchanges the preferred embodiment of portable power source one；
Fig. 2 is the structured flowchart that a kind of portable decompression starting of the present invention exchanges another preferred embodiment of portable power source；
Fig. 3 is the structured flowchart that a kind of portable decompression starting of the present invention exchanges portable power source another embodiment；
Fig. 4 is the structured flowchart of lithium battery pack in Fig. 1；
Fig. 5 is the structured flowchart of battery management system and high pressure lithium battery group in Fig. 4；
Fig. 6 is the structured flowchart of charge/discharge control circuit in Fig. 5；
Fig. 7 is that a kind of portable decompression starting of the present invention exchanges portable power source startup stage control flow chart；
Fig. 8 is the electrical schematic diagram that a kind of portable decompression starting of the present invention exchanges the preferred embodiment of portable power source one.
Specific embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described enforcement
Example is only a part of embodiment of the present invention, rather than the embodiment of whole.Based on the embodiment in the present invention, this area is common
All other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
Fig. 1 ~ Fig. 8 is referred to, the embodiment of the present invention includes：
As shown in figure 1, a kind of portable decompression starting exchanges portable power source, including：Lithium battery pack, sine-converter circuit and control
Circuit, the lithium battery pack input connection DC12V-DC42V power supplies are used to be charged to the lithium battery pack, the lithium electricity
The output end connection sine-converter circuit of Chi Bao, the output end of the lithium battery pack is also connected with the control circuit, for providing
Power supply when control circuit works, output end output industrial-frequency alternating current (AC220V or AC110V) of the sine-converter circuit,
The sine-converter circuit is also connected with the control circuit, and for feedback voltage, electric current to control circuit, the control circuit is defeated
Go out control signal, connect sine-converter circuit, for controlling the working condition of sine-converter circuit according to feedback information.
As shown in Fig. 2 when lithium battery pack voltage is relatively low, a DC/DC circuit can also be increased, to lithium battery pack output electricity
Pressure is adjusted, and the DC/DC circuits are serially connected between lithium battery pack and sine-converter circuit, for lithium battery pack is exported into
Row boosting, voltage stabilizing, are allowed to meet the input voltage requirement of the sine-converter circuit, and the DC/DC circuit outputs are also connected with institute
Control circuit is stated, with the output voltage and electric current of feedback DC/DC circuits, the control circuit output control signal connects DC/DC
Circuit, for controlling the working condition of DC/DC circuits according to feedback information.
When as shown in Figure 3 lithium battery pack voltage is relatively low, an Industrial Frequency Transformer can also be increased, the Industrial Frequency Transformer sets
Put on the voltage output loop of sine-converter circuit, now, sine-converter circuit output power frequency low-voltage, Jing Industrial Frequency Transformers
Industrial-frequency alternating current (AC220V or AC110V) is exported after boosting, output feedback line is also connected to control electricity by the Industrial Frequency Transformer
Road, for feeding back the output voltage of Industrial Frequency Transformer.
As shown in figure 4, the lithium battery pack includes battery management system, high pressure lithium battery group and discharge protector, institute
The output head anode for stating battery management system connects the positive pole of the high pressure lithium battery group, and battery management system negative pole of output end connects
The negative pole of the high pressure lithium battery group is connect, to charge protection is provided；The input of the discharge protector connects respectively described
The positive pole and negative pole of high pressure lithium battery group, output end is exported for the power supply of lithium battery pack, and for electric discharge protection is provided.
As shown in figure 5, the battery management system includes charge/discharge control circuit and passive equalizing system, the discharge charge
The input connection DC12V-DC42V dc sources of electric control circuit, are easy to charging work, the charge/discharge control circuit
Output head anode connects the positive pole of the high pressure lithium battery group, and the negative pole of output end of charge/discharge control circuit connects the high pressure
The negative pole of lithium battery group；The charge/discharge control circuit also connects with the passive equalizing system；
The high pressure lithium battery group includes several sub- lithium battery groups being sequentially connected in series, per individual sub- lithium battery group by several single-lithium-batteries
Pond is combined by series, parallel；The battery management system is also connected with every a string of batteries in the high pressure lithium battery group
Positive pole and negative pole, manage the work of every a string of batteries；
The passive equalizing system include array passive equalizing circuit corresponding with sub- lithium battery group difference, passive equalizing circuit it
Between be sequentially connected in series, each group of passive equalizing circuit is used to manage a corresponding sub- lithium battery group, the passive balanced electricity
The positive pole and negative pole of each series lithium battery in the road connection sub- lithium battery group of correspondence, for monitoring, balanced each series lithium battery
Voltage.
As shown in fig. 6, the charge/discharge control circuit include PTC, the 3rd gate-controlled switch, full-bridge DC/DC booster circuits,
Second gate-controlled switch, temperature observation circuit, discharge detection circuit and the first controller, the first end connection DC12V- of the PTC
The positive pole of DC42V dc sources, the second end connects the positive pole of the full-bridge DC/DC booster circuits, for provide excessively stream during charging,
The first class of protection function of excess temperature；
The first end of the 3rd gate-controlled switch connects the negative pole of DC12V-DC42V dc sources, and the second end connects the full-bridge
The negative pole of DC/DC booster circuits；The control end of the 3rd gate-controlled switch connects first controller, for receiving described the
The control signal that one controller sends, is switched on or switched off negative pole and the full-bridge DC/DC boosting of DC12V-DC42V dc sources
The negative pole of circuit, when charging and producing abnormal second-level protection function is provided；
The output head anode of the full-bridge DC/DC booster circuits connects the positive pole of the high pressure lithium battery group, and negative pole of output end connects
Connect the second gate-controlled switch first end, the full-bridge DC/DC booster circuits to high pressure lithium battery group entirety serial connection charge,
Ensure that charging current, the duration of lithium battery group are consistent, it is to avoid the unbalanced potential safety hazard brought of battery is caused by charging, is prolonged significantly
Long battery；
Second end of second gate-controlled switch connects the negative pole of the high pressure lithium battery group, the control of second gate-controlled switch
The output end of the end connection passive equalizing system, the output end for being switched on or switched off the full-bridge DC/DC booster circuits is born
Pole and the negative pole of the high pressure lithium battery group, there is provided three-level protective function during charging, protect layer by layer, it is ensured that high pressure lithium battery group
Security；
The output end of the temperature observation circuit connects the input of first controller, for monitoring the high pressure lithium battery
The temperature data of group, and first controller is output this to, process is analyzed by first controller, perform corresponding
Action；
The output end of the discharge detection circuit connects the input of first controller, for detecting the high pressure lithium battery
The information such as electric current, voltage during group electric discharge, and first controller is output this to, it is analyzed by first controller
Process, perform corresponding actions；
First controller includes the port of array serial communication 1, connects with the passive equalizing circuit respectively, for transmitting
State the information such as voltage, electric current, electricity and the temperature of high pressure lithium battery group, comprehensive data analysis, management；
First controller also includes the port of serial communication 0, outside drawing this port for lithium battery pack and lithium battery pack
Control system enters row data communication, is easy to the setting and operation of welding machine.
The passive equalizing circuit includes electric voltage observation circuit, second controller and multigroup resistance energy consuming circuitry, the electricity
The input of pressure observation circuit connects the positive pole and negative pole of each series lithium battery in the sub- lithium battery group of correspondence through RC network, is used for
Monitor the voltage of each series lithium battery；The output end of the electric voltage observation circuit is connected with the second controller, for exporting
The voltage of each series lithium battery；
The output end of the electric voltage observation circuit is also connected with the control end of second gate-controlled switch, turns on and off for control
Second gate-controlled switch；
The output end of the second controller is connected successively with the input of the resistance energy consuming circuitry, for according to input termination
The information of voltage of each series lithium battery for receiving, each group of resistance energy consuming circuitry of control is opened or closed；
The second controller also includes the port of serial communication 1 ', connects with 1 group of port of serial communication 1 of first controller
Connect, for data transfer.
The resistance energy consuming circuitry includes first resistor, optocoupler, second resistance, 3rd resistor and triode, described the
The two ends of one resistance connect respectively an output end of the anode of the optocoupler and the second controller, the negative electrode of the optocoupler
Ground connection；The positive pole of a series lithium battery in the sub- lithium battery group of colelctor electrode connection correspondence of the optocoupler, the emitter stage of the optocoupler connects
Connect the base stage of the triode；The first end of the second resistance connects the base stage of the triode, and the second end connects the son
The negative pole of a series lithium battery in lithium battery group；A series lithium battery in the sub- lithium battery group of first end connection correspondence of the 3rd resistor
Positive pole, the second end connects the colelctor electrode of the triode；One in the sub- lithium battery group of emitter stage connection correspondence of the triode
The negative pole of series lithium battery, the charge/discharge operation of balanced each series lithium battery.
The discharge protector includes overcurrent protective device and the first gate-controlled switch, the first of the overcurrent protective device
The positive pole of the end connection high pressure lithium battery group, the second end of overcurrent protective device for lithium battery pack output end positive pole, excessively stream
Protection device is irrecoverable fuse or PTC fuses, lift system security；
The first end of first gate-controlled switch connects the negative pole of the high pressure lithium battery group, and the second end of the first gate-controlled switch is
The negative pole of lithium battery pack output end, the control end of first gate-controlled switch connects the output end of first controller, is used for
The control signal that first controller sends is received, the negative pole of the high pressure lithium battery group, lift system work is switched on or switched off
Make safety and reliability when stability, particularly lithium battery discharge, significantly reduce risk class.
As shown in fig. 7, a kind of portable decompression starting exchanges the control method of portable power source startup stage, including following step
Suddenly；
Step S1：Whether output current is judged more than the decompression starting electric current Idc for setting, if output current is opened more than the decompression
Streaming current Idc, then execution step S2；If output current is not more than the decompression starting electric current Idc, execution step S5；
Step S2：Output voltage is reduced, and continues the 3-5 seconds（Time can adjust）, then execution step S3；
Step S3：Output current is judged again whether more than the decompression starting electric current Idc for setting, if output current subtracts more than described
Starting current Idc is pressed, then execution step S4；If output current is not more than the decompression starting electric current Idc, execution step S5；
Step S4：Close output；
Step S5：Export specified alternating current（AC220V or AC110V）.
As shown in Figure 8：
Metal-oxide-semiconductor Q1, Q2, Q3, Q4, transformer T1, commutation diode D1, D2 constitute the DC/DC circuits of a full-bridge type；A points, pass through
The operating current of resistance R18 collection DC/DC circuits sends into control circuit, for during overcurrent protection, closing DC/DC circuits；B points,
The output voltage of DC/DC circuits is obtained through R8, R10 partial pressure, and the reference voltage inside control circuit compares, so as to according to B
The working condition of the voltage-regulation DC/DC circuit of point, makes output voltage stabilization；
Metal-oxide-semiconductor Q5, Q6, Q7, Q8, and the filter network composition sine-converter circuit being attached thereto；The sinusoidal control of control circuit output
Signal processed, makes to be exported just after the filter networks of composition such as metal-oxide-semiconductor Q5, Q8 and Q6, Q7 alternate conductions, Jing inductance L1, L2, electric capacity C4
String alternating current；C points, the operating current for gathering sine-converter circuit by resistance R19, for detecting the size of starting current, sentence
It is disconnected whether to carry out decompression starting；D points, by Current Transmit 1 output current of sine-converter circuit is gathered, for excessively stream guarantor
During shield, sine-converter circuit is closed；E points, through R6, R9 partial pressure the output voltage of sine-converter circuit, and control circuit are obtained
Internal reference voltage compares, so as to according to the working condition of the voltage-regulation sine-converter circuit of E points, be allowed to export stable
Alternating current.
With reference to Fig. 7 and Fig. 8, the operation principle and control method of decompression starting are described in detail.
Turn on the power, under Light Condition, exchange portable power source exports specified alternating current（AC220V or AC110V）, and constantly
The curent change of collection C points, circulates execution step S1 --- and judge C points electric current whether more than the decompression starting electric current Idc for setting；
When accessing load, if C point electric currents are not more than Idc, execution step S5 --- normally export specified alternating current（AC220V or
AC110V）, complete to start；If C points electric current is more than Idc, execution step S2 --- reduce output voltage（Reduce the reference of B points
Voltage, so as to reduce the output voltage of DC/DC circuits；The reference voltage of E points is reduced simultaneously, so as to reduce sine-converter circuit
Output voltage）, continue the 3-5 seconds；Then execution step S3 --- judge C points electric current whether more than the decompression starting electricity of setting again
Stream Idc, if C point electric currents are not more than Idc, execution step S5 --- normally export specified alternating current（AC220V or AC110V）,
Complete to start；If C points electric current is more than Idc, execution step S4 --- close output（DC/DC circuit outputs are closed, is closed by just
String inverter circuit is exported）, terminate start-up course, to again attempt to start, it is necessary to reopen power supply, repeat above step.
In sum, whole operation principle and start-up course are as described above, realize decompression starting function so that exchange is moved
Dynamic power supply can be used in starting the larger load of immediate current, improve the scope of application and job stability.
Embodiments of the invention are the foregoing is only, the scope of the claims of the present invention is not thereby limited, it is every using this
Equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (10)
1. a kind of portable decompression starting exchanges portable power source, it is characterised in that include：Lithium battery pack, sine-converter circuit and
Control circuit, the output end connection sine-converter circuit of the lithium battery pack, the output end of the lithium battery pack is also connected with described
Control circuit, the output end output industrial-frequency alternating current of the sine-converter circuit, the sine-converter circuit is also connected with the control
Circuit processed, the control circuit output control signal is to sine-converter circuit.
2. portable decompression starting according to claim 1 exchanges portable power source, it is characterised in that the portable decompression
Starting exchange portable power source also includes DC/DC circuits, the DC/DC circuits be serially connected in lithium battery pack and sine-converter circuit it
Between, the DC/DC circuit outputs are also connected with the control circuit, and the control circuit output control signal connects DC/DC circuits.
3. portable decompression starting according to claim 1 exchanges portable power source, it is characterised in that the portable decompression
Starting exchange portable power source also includes an Industrial Frequency Transformer, and the voltage that the Industrial Frequency Transformer is arranged on sine-converter circuit is defeated
Go out on loop, output feedback line is also connected to control circuit by the Industrial Frequency Transformer, for feeding back the output of Industrial Frequency Transformer
Voltage.
4. portable decompression starting according to claim 1 exchanges portable power source, it is characterised in that the lithium battery pack bag
Include battery management system, high pressure lithium battery group and discharge protector, the output head anode connection institute of the battery management system
The positive pole of high pressure lithium battery group is stated, battery management system negative pole of output end connects the negative pole of the high pressure lithium battery group；It is described to put
The input of electrical protective device connects respectively the positive pole and negative pole of the high pressure lithium battery group, and output end is the power supply of lithium battery pack
Output.
5. portable decompression starting according to claim 4 exchanges portable power source, it is characterised in that the battery management system
System includes charge/discharge control circuit and passive equalizing system, the input connection DC12V- of the charge/discharge control circuit
DC42V dc sources, the output head anode of the charge/discharge control circuit connects the positive pole of the high pressure lithium battery group, discharge charge
The negative pole of output end of electric control circuit connects the negative pole of the high pressure lithium battery group；The charge/discharge control circuit also with it is described
Passive equalizing system connection；
The high pressure lithium battery group includes several sub- lithium battery groups being sequentially connected in series, per individual sub- lithium battery group by several single-lithium-batteries
Pond is combined by series, parallel；The battery management system is also connected with every a string of batteries in the high pressure lithium battery group
Positive pole and negative pole；
The passive equalizing system include array passive equalizing circuit corresponding with sub- lithium battery group difference, passive equalizing circuit it
Between be sequentially connected in series, each group of passive equalizing circuit is used to manage a corresponding sub- lithium battery group, the passive balanced electricity
The positive pole and negative pole of each series lithium battery in the sub- lithium battery group of road connection correspondence.
6. portable decompression starting according to claim 5 exchanges portable power source, it is characterised in that the discharge charge is automatically controlled
Circuit processed includes PTC, the 3rd gate-controlled switch, full-bridge DC/DC booster circuits, the second gate-controlled switch, temperature observation circuit, electric discharge inspection
Slowdown monitoring circuit and the first controller, the first end of the PTC connects the positive pole of DC12V-DC42V dc sources, the second end connection institute
State the positive pole of full-bridge DC/DC booster circuits；
The first end of the 3rd gate-controlled switch connects the negative pole of DC12V-DC42V dc sources, and the second end connects the full-bridge
The negative pole of DC/DC booster circuits；The control end of the 3rd gate-controlled switch connects first controller, for receiving described the
The control signal that one controller sends, is switched on or switched off negative pole and the full-bridge DC/DC boosting of DC12V-DC42V dc sources
The negative pole of circuit；
The output head anode of the full-bridge DC/DC booster circuits connects the positive pole of the high pressure lithium battery group, and negative pole of output end connects
The second gate-controlled switch first end is connect, the full-bridge DC/DC booster circuits are to high pressure lithium battery group entirety serial connection charge；
Second end of second gate-controlled switch connects the negative pole of the high pressure lithium battery group, the control of second gate-controlled switch
The output end of the end connection passive equalizing system, the output end for being switched on or switched off the full-bridge DC/DC booster circuits is born
Pole and the negative pole of the high pressure lithium battery group；
The output end of the temperature observation circuit connects the input of first controller, for monitoring the high pressure lithium battery
The temperature data of group, and output this to first controller；
The output end of the discharge detection circuit connects the input of first controller, for detecting the high pressure lithium battery
The information such as electric current, voltage during group electric discharge, and output this to first controller；
First controller includes the port of array serial communication 1, connects with the passive equalizing circuit respectively, for transmitting
State the information such as voltage, electric current, electricity and the temperature of high pressure lithium battery group, comprehensive data analysis, management；
First controller also includes the port of serial communication 0, outside drawing this port for lithium battery pack and lithium battery pack
Control system enters row data communication.
7. portable decompression starting according to claim 6 exchanges portable power source, it is characterised in that the passive balanced electricity
Road includes electric voltage observation circuit, second controller and multigroup resistance energy consuming circuitry, and the input of the electric voltage observation circuit is passed through
The positive pole and negative pole of each series lithium battery in the sub- lithium battery group of RC network connection correspondence, for monitoring the electricity of each series lithium battery
Pressure；The output end of the electric voltage observation circuit is connected with the second controller, for exporting the voltage of each series lithium battery；
The output end of the electric voltage observation circuit is also connected with the control end of second gate-controlled switch, turns on and off for control
Second gate-controlled switch；
The output end of the second controller is connected successively with the input of the resistance energy consuming circuitry, for according to input termination
The information of voltage of each series lithium battery for receiving, each group of resistance energy consuming circuitry of control is opened or closed；
The second controller also includes the port of serial communication 1 ', connects with 1 group of port of serial communication 1 of first controller
Connect, for data transfer.
8. portable decompression starting according to claim 7 exchanges portable power source, it is characterised in that the resistance power consumption electricity
Road includes first resistor, optocoupler, second resistance, 3rd resistor and triode, and the two ends of the first resistor connect respectively institute
State the anode of optocoupler and an output end of the second controller, the minus earth of the optocoupler；
The positive pole of a series lithium battery, the emitter stage connection of the optocoupler in the sub- lithium battery group of colelctor electrode connection correspondence of the optocoupler
The base stage of the triode；
The first end of the second resistance connects the base stage of the triode, and the second end connects a string of lithiums in the sub- lithium battery group
The negative pole of battery；
The positive pole of a series lithium battery, the second end connection described three in the sub- lithium battery group of first end connection correspondence of the 3rd resistor
The colelctor electrode of pole pipe；
The negative pole of a series lithium battery in the sub- lithium battery group of emitter stage connection correspondence of the triode.
9. portable decompression starting according to claim 6 exchanges portable power source, it is characterised in that the discharge prevention dress
Put including overcurrent protective device and the first gate-controlled switch, the first end of the overcurrent protective device connects the high pressure lithium battery group
Positive pole, the second end of overcurrent protective device for lithium battery pack output end positive pole；
The first end of first gate-controlled switch connects the negative pole of the high pressure lithium battery group, and the second end of the first gate-controlled switch is
The negative pole of lithium battery pack output end, the control end of first gate-controlled switch connects the output end of first controller, is used for
The control signal that first controller sends is received, the negative pole of the high pressure lithium battery group is switched on or switched off.
10. portable decompression starting according to claim 1 exchanges portable power source, it is characterised in that the lithium battery pack
Input connection DC12V-DC42V power supplies are charged.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610585410 | 2016-07-25 | ||
| CN2016105854106 | 2016-07-25 |
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| CN106655369A true CN106655369A (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611157077.5A Pending CN106655369A (en) | 2016-07-25 | 2016-12-15 | Portable decompressed-start AC mobile power supply |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321908A (en) * | 2018-04-03 | 2018-07-24 | 深圳市易能中科技术有限公司 | A kind of Multifunctional portable power source equipment monitored on-line |
| CN109521236A (en) * | 2019-01-30 | 2019-03-26 | 苑恩萌 | A kind of portable mobile wireless secondary circuit dosage instrument and its dosage method |
| WO2019109950A1 (en) * | 2017-12-08 | 2019-06-13 | 南京德朔实业有限公司 | Boosting circuit, power supply device and portable electric energy system |
| CN109975242A (en) * | 2019-05-05 | 2019-07-05 | 四川省生态环境科学研究院 | A kind of the on-board emission test system and its working method of motor vehicle ammonia |
| CN113991735A (en) * | 2021-10-28 | 2022-01-28 | 广东电网有限责任公司 | Mobile three-phase power supply device and control method |
| CN114709499A (en) * | 2022-05-10 | 2022-07-05 | 深圳市海雷新能源有限公司 | Lithium battery monitoring system and method based on fire-fighting parameters |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475243A (en) * | 2013-09-09 | 2013-12-25 | 泓芯泰业科技(北京)有限公司 | Control system and method for inverter |
| CN105356549A (en) * | 2015-10-28 | 2016-02-24 | 富尔盛科技（深圳）有限公司 | High-voltage lithium battery pack and portable electrical device comprising same |
-
2016
- 2016-12-15 CN CN201611157077.5A patent/CN106655369A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475243A (en) * | 2013-09-09 | 2013-12-25 | 泓芯泰业科技(北京)有限公司 | Control system and method for inverter |
| CN105356549A (en) * | 2015-10-28 | 2016-02-24 | 富尔盛科技（深圳）有限公司 | High-voltage lithium battery pack and portable electrical device comprising same |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019109950A1 (en) * | 2017-12-08 | 2019-06-13 | 南京德朔实业有限公司 | Boosting circuit, power supply device and portable electric energy system |
| US11271486B2 (en) | 2017-12-08 | 2022-03-08 | Nanjing Chervon Industry Co., Ltd. | Power supply device |
| CN108321908A (en) * | 2018-04-03 | 2018-07-24 | 深圳市易能中科技术有限公司 | A kind of Multifunctional portable power source equipment monitored on-line |
| CN109521236A (en) * | 2019-01-30 | 2019-03-26 | 苑恩萌 | A kind of portable mobile wireless secondary circuit dosage instrument and its dosage method |
| CN109975242A (en) * | 2019-05-05 | 2019-07-05 | 四川省生态环境科学研究院 | A kind of the on-board emission test system and its working method of motor vehicle ammonia |
| CN113991735A (en) * | 2021-10-28 | 2022-01-28 | 广东电网有限责任公司 | Mobile three-phase power supply device and control method |
| CN114709499A (en) * | 2022-05-10 | 2022-07-05 | 深圳市海雷新能源有限公司 | Lithium battery monitoring system and method based on fire-fighting parameters |
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