CN106058991A - On-vehicle mobile intelligent standby AC/DC power supply system - Google Patents
On-vehicle mobile intelligent standby AC/DC power supply system Download PDFInfo
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- CN106058991A CN106058991A CN201610527811.6A CN201610527811A CN106058991A CN 106058991 A CN106058991 A CN 106058991A CN 201610527811 A CN201610527811 A CN 201610527811A CN 106058991 A CN106058991 A CN 106058991A
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- rechargeable battery
- charging
- direct current
- mobile intelligent
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- 238000007599 discharging Methods 0.000 claims abstract description 27
- 238000004891 communication Methods 0.000 claims description 31
- 230000033228 biological regulation Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000004224 protection Effects 0.000 description 78
- 238000011084 recovery Methods 0.000 description 22
- 239000000178 monomer Substances 0.000 description 21
- 230000002265 prevention Effects 0.000 description 15
- 230000006870 function Effects 0.000 description 13
- 230000005611 electricity Effects 0.000 description 8
- 230000002085 persistent effect Effects 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 1
- 235000019506 cigar Nutrition 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
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- H02J7/0026—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/18—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
-
- 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
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0044—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- H02J7/022—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/10—Arrangements incorporating converting means for enabling loads to be operated at will from different kinds of power supplies, e.g. from ac or dc
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
-
- 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
- H02J7/00302—Overcharge protection
-
- 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
- H02J7/00306—Overdischarge protection
-
- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
Abstract
The invention discloses an on-vehicle mobile intelligent standby AC/DC power supply system which comprises the components of a rectifier; a DC-DC converter which is connected with an on-vehicle battery for adjusting the output voltage of the on-vehicle battery and outputs voltage-regulated DC current; a rechargeable battery which is connected with the rectifier through a charging loop for charging; an inverter which is connected with the output end of the rectifier, the output end of the DC-DC converter and the discharging loop of the rechargeable battery for converting the DC current to AC current for outputting; and a DC contactor which is serially connected with the discharging loop of the rechargeable battery for connecting or disconnecting the discharging loop. The on-vehicle mobile intelligent standby AC/DC power supply system can output the DC current and the AC current and has wide application range. At the input end of the on-vehicle mobile intelligent standby AC/DC power supply system, voltage is input in a manner of 220V or 110V AC current, or combination of the charging battery and the on-vehicle battery. The charging/discharging state of the rechargeable battery is monitored through an intelligent battery management system, thereby ensuring long service life of the rechargeable battery and furthermore preparing a most reasonable power transmitting and distributing plan.
Description
Technical field
The present invention relates to intelligent power supply field, particularly to a kind of vehicle-mounted mobile intelligent standby alterating and direct current origin system.
Background technology
In the prior art, vehicle power is again power inverter, is that DC12V unidirectional current can be converted to and city by one
The AC220V alternating current that electricity is identical, for general electrical equipment, is a kind of power supply changeover device easily, obtains owing to being usually used in automobile
Name.Vehicle power generally uses automobile storage battery or cigar lighter is powered, and first such low-voltage DC is converted to about 265V
Unidirectional current；The most real conversion stage, then the unidirectional current of high pressure is changed into the alternating current of 220V, 50Hz.There is car
Carry power supply, it is possible to all of for family small household appliances are moved to and uses, such as mobile phone, notebook computer, digital camera, automobile-used ice on car
Case, video camera, DVD etc..
Vehicle power is applicable not only to onboard system, as long as there being the occasion of DC12V DC source, all can use power inverter
Device, is converted to AC220V alternating current by DC12V, brings convenience to the life of people.Vehicle power fully takes into account making of outside
With environment, will automatically protect shutdown when there is overload or short circuit phenomenon.The output voltage of the vehicle power feedback by itself
Confirmation can make voltage stabilization, and unloaded Yu specified magnitude of voltage change is less than 10V.It should be noted that the purpose of vehicle power
It is the output voltage identical with civil power, meets the needs of electrical appliance, but actually vehicle power exports is analog sine, and
Civil power is real sine wave, and both are slightly different, and the most do not affect use, and this is the operation principle decision of vehicle power.
Understanding more than comprehensive, existing vehicle power is only capable of exporting the alternating current of 220V, and range of application is narrow.
Summary of the invention
For above-mentioned shortcoming and defect of the prior art, it is an object of the invention to provide a kind of vehicle-mounted mobile intelligence standby
Use alterating and direct current origin system.
It is an object of the invention to be achieved through the following technical solutions:
A kind of vehicle-mounted mobile intelligent standby alterating and direct current origin system, including
Commutator, is connected with 220V or 110V alternating current power supply, and alternating current is changed into unidirectional current output；
Dc-dc, is connected with on-vehicle battery, is adjusted the output voltage of on-vehicle battery, and exports through pressure regulation
After unidirectional current；
Rechargeable battery set, is connected by charge circuit with commutator and is charged；
Inverter, respectively with the outfan of commutator, the outfan of dc-dc and the discharge loop of rechargeable battery set
Connect, unidirectional current is changed into alternating current output；
D.C. contactor, is connected in the discharge loop of rechargeable battery set, is used for connecting or disconnecting discharge loop.
Preferably, series trip device in the charging and discharging circuit of rechargeable battery set.
Preferably, the output voltage of described on-vehicle battery is 12V, and described dc-dc is step-up DC-DC conversion
Device, the output voltage of on-vehicle battery is boosted to 48V and exports by described dc-dc.
Preferably, the output voltage of described rechargeable battery set is 48V.
Preferably, also include that battery management system, described battery management system include battery protecting plate and and battery guarantor
The front-end collection sensor of backplate communication connection and communication module, the charge and discharge of described front-end collection sensor acquisition rechargeable battery set
Described charging and discharging state information is also uploaded to battery protecting plate by electricity condition information；Battery protecting plate is according to described charging and discharging state
Information controls the break-make of charging and discharging circuit, and by communication module, described charging and discharging state information is transferred to host computer.
Preferably, also include that shell, described shell include front panel and rear board, described front panel is provided with direct current
Output interface, exchange output interface, exchange input interface, display screen, power switch button and communication interface；Panel in the rear
On be provided with direct current input interface；Described direct current output interface respectively with discharge loop, the output of commutator of rechargeable battery set
The outfan of end and dc-dc connects；The input of described direct current input interface and dc-dc connects；Described friendship
The outfan of stream output interface and inverter connects；The input of described exchange input interface and commutator connects；Described display
Shield and be connected with battery protecting plate；Described power switch button is mechanically connected with the main contacts of D.C. contactor；Described communication connects
Mouth communicates to connect with communication module.
Preferably, described front-end collection sensor includes that temperature sensor, voltage sensor, current sensor and electricity pass
Sensor, described voltage sensor is for gathering the charging/discharging voltage of rechargeable battery set, and current sensor is used for gathering rechargeable battery
The charging and discharging currents of group, electrical quantity sensor is for gathering the dump energy of rechargeable battery set, and temperature sensor is used for gathering charging
The temperature of set of cells.
Preferably, it is characterised in that each battery of described rechargeable battery set is respectively provided with bypass resistance.
Preferably, described display screen is LCD display.
Preferably, described communication module is RS232, RS485 or wireless communication module, described communication interface be RS232,
RS485 or wireless communication interface.
Compared with prior art, the embodiment of the present invention at least has the advantage that
Vehicle-mounted mobile intelligent standby alterating and direct current origin system of the present invention can export unidirectional current again can output AC electricity, application
In extensive range；It is defeated that the mode that input uses 220V or 110V alternating current, rechargeable battery set and on-vehicle battery to coordinate carries out voltage
Enter, by Intelligent battery management system, the charging and discharging state of rechargeable battery set is monitored, ensureing that rechargeable battery set uses
The most rational electrical power distribution scheme is formulated while life-span.
Accompanying drawing explanation
Fig. 1 is the circuit theory schematic diagram of vehicle-mounted mobile intelligent standby alterating and direct current origin system of the present invention.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage 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
The a part of embodiment of the present invention rather than whole embodiments.Generally implement with the present invention illustrated described in accompanying drawing herein
The assembly of example can be arranged with various different configurations and design.Therefore, reality to the present invention provided in the accompanying drawings below
The detailed description executing example is not intended to limit the scope of claimed invention, but is merely representative of the selected enforcement of the present invention
Example.Based on the embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
Every other embodiment, broadly falls into the scope of protection of the invention.
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
As it is shown in figure 1, the circuit theory schematic diagram that Fig. 1 is vehicle-mounted mobile intelligent standby alterating and direct current origin system of the present invention.
A kind of vehicle-mounted mobile intelligent standby alterating and direct current origin system, including
Commutator, is connected with 220V or 110V alternating current power supply, and alternating current is changed into unidirectional current output；
Dc-dc, is connected with on-vehicle battery, is adjusted the output voltage of on-vehicle battery, and exports through pressure regulation
After unidirectional current；
Rechargeable battery set, is connected by charge circuit with commutator and is charged；
Inverter, respectively with the outfan of commutator, the outfan of dc-dc and the discharge loop of rechargeable battery set
Connect, unidirectional current is changed into alternating current output；
D.C. contactor, is connected in the discharge loop of rechargeable battery set, is used for connecting or disconnecting discharge loop.
Series connection QFD chopper in the charging and discharging circuit of rechargeable battery set.
The output voltage of on-vehicle battery is 12V, and dc-dc is booster type dc-dc, and dc-dc will
The output voltage of on-vehicle battery boosts to 48V and exports.
The output voltage of rechargeable battery set is 48V.
Also including battery management system, battery management system includes battery protecting plate and and battery protecting plate communication connection
Front-end collection sensor and communication module, the charging and discharging state information of front-end collection sensor acquisition rechargeable battery set also will be filled
Discharge condition information is uploaded to battery protecting plate；Battery protecting plate controls the logical of charging and discharging circuit according to charging and discharging state information
Disconnected, and charging and discharging state information is transferred to host computer by communication module.
Also including shell, shell includes front panel and rear board, front panel is provided with direct current output interface, exchange defeated
Outgoing interface, exchange input interface, display screen, power switch button and communication interface；It is provided with direct current input on plate to connect below
Mouthful；Direct current output interface respectively with the discharge loop of rechargeable battery set, the outfan of commutator and the outfan of dc-dc
Connect；The input of direct current input interface and dc-dc connects；The outfan of exchange output interface and inverter connects；
The input of exchange input interface and commutator connects；Display screen and being connected with battery protecting plate；Power switch button and direct current
The main contacts of catalyst is mechanically connected；Communication interface communicates to connect with communication module.
Front-end collection sensor includes temperature sensor, voltage sensor, current sensor and electrical quantity sensor, and voltage passes
Sensor is for gathering the charging/discharging voltage of rechargeable battery set, and current sensor is used for gathering the charging and discharging currents of rechargeable battery set,
Electrical quantity sensor is for gathering the dump energy of rechargeable battery set, and temperature sensor is for gathering the temperature of rechargeable battery set.
Each battery of rechargeable battery set is respectively provided with bypass resistance.
Display screen is LCD display.
Communication module is RS232, RS485 or wireless communication module, and communication interface is DB9 or RJ45 communication interface, it is simple to
Realize remotely monitoring and unmanned.
This vehicle-mounted mobile intelligent standby alterating and direct current origin system is in the case of having civil power, and commutator fills to rechargeable battery set
Electricity or the power switch button control 48Vdc load passed through on front panel work with vehicle-mounted inversion unit；After set of cells is full of
System shutdown charge circuit, protection set of cells does not overcharges；When other place needs temporary power, can using this power-supply system as
Interim stand-by power supply, set of cells is powered to 48Vdc load or 220Vac AC load；DC-DC converter is connect by direct current input
It is connected mouthful with the 12Vdc on-vehicle battery on automobile and charges to this power-supply system, to reach to increase preparation time.When under-voltage, it is
System cuts off discharge loop, and protection set of cells is crossed and put.Work, outside to ensure rechargeable battery set to be under normal temperature environment
Fan is set in shell, the both sides shell of corresponding fan covering of the fan opens air holes.
Battery protecting plate also has storage function, can be with record protection and alarm and recovery classification and time of origin, record
Content includes monomer voltage, total voltage, charge/discharge capacity, charge/discharge current, temperature etc. when fault category and fault occur.Remove
Normal recordings can protect and alert and outside recovery information, the battery parameter in certain period of time can be recorded: monomer is electric by arranging
Pressure, total voltage, charge/discharge capacity, charge/discharge current, temperature etc..Storage content can be read by host computer and be stored as
EXCEL document.400 records of memory capacity, give tacit consent to timing in 5 minutes and deposit once (can host computer arrange timing), as occurred
Protection stores the most immediately, is filled with 400 Posterior circle and covers.
There is heating film intelligent control function, when detecting that ambient temperature is less than 0 DEG C and the condition existed at civil power
Under, system starts heating film automatically；When ambient temperature is higher than 15 DEG C, it is automatically switched off heating film.Heating film specification is defaulted as
48V30W。
Overcharge protection and recover, including battery core monomer each in set of cells overcharge protection and recover and set of cells overall
Overcharge protection and recover:
Monomer: when the monomer ceiling voltage of set of cells overcharges protection voltage higher than monomer, and the persistent period reaches monomer
Overcharging protection time delay, system enters and overcharges guard mode, closes discharge and recharge MOS；When all monomer voltages of set of cells drop to monomer
Overcharge below recovery voltage, release and overcharge guard mode, or electric discharge can also release.
Overall: monomer can be turned off or on by host computer and cross charging protection function, it is defaulted as opening.Totally overcharge protection and
Recover: when the global voltage of set of cells is higher than totally overcharging protection voltage, and the persistent period reaches totally to overcharge protection time delay,
System enters and overcharges guard mode；When the global voltage of set of cells drops to totally overcharge below recovery voltage, release and overcharge protection
State, or discharge and can also release；Can be turned off or on by host computer and totally cross charging protection function, be defaulted as opening.
Cross prevention and recovery, include monomer and overall two kinds of situations equally:
Monomer Cross prevention and recovery: when the monomer minimum voltage of set of cells is less than monomer Cross prevention voltage, and hold
The continuous time reaches monomer Cross prevention time delay, and system enters Cross prevention state, closes electric discharge MOS；After there is Cross prevention, right
Set of cells is charged releasing Cross prevention state；Monomer Cross prevention function can be turned off or on, acquiescence by host computer
For opening.
Overall Cross prevention and recovery: when the global voltage of set of cells is less than overall Cross prevention voltage, and when continuing
Between reach overall Cross prevention time delay, system enters Cross prevention state, closes electric discharge MOS；After there is Cross prevention, to battery
Group is charged releasing Cross prevention state；Overall Cross prevention function, default on can be turned off or on by host computer
Open.
Charging overcurrent protection and recovery: when charging current exceedes charging overcurrent protection electric current, and the persistent period reaches to fill
Electricity overcurrent protection time delay, system enters charging overcurrent protection state, closes electric discharge MOS；There is charging overcurrent protection, after 1min be
System can automatically terminate charging overcurrent protection state.Occurring 10 charging overcurrent protections continuously, system locks this state automatically.
Electric discharge overcurrent protection and recovery: when discharge current exceedes electric discharge overcurrent protection electric current, and the persistent period reaches to put
Electricity overcurrent protection time delay, system enters electric discharge overcurrent protection state, closes electric discharge MOS；There is electric discharge overcurrent protection, after 1min be
System can automatically terminate electric discharge overcurrent protection state；Occurring 10 electric discharge overcurrent protections continuously, system locks this state, no longer automatically
Automatically terminate；Charging can also release；Electric discharge overcurrent protection is divided into 2 grades, has different response speed for different discharge currents
Degree, preferably protects battery；One-level electric discharge overcurrent protection function can be turned off or on by host computer, be defaulted as opening；Two grades
Electric discharge overcurrent protection function cannot be closed.
Short-circuit protection and recovery: when discharge current exceedes short circuit current protection value, and the persistent period reaches short-circuit protection and prolongs
Time, system enters short-circuit protection state, closes electric discharge MOS；Be short-circuited protection, and system automatically locks this state, removes load
After can automatically terminate short-circuit protection state；Charging can also release.
Temperature protection and recovery:
(1) charging high temperature protection and recovery: when charging, when battery temperature is higher than charging high temperature protection value, and continues
Time reaches high temperature protection time delay of charging, and system enters charging high temperature protection state, closes electric discharge MOS；When battery temperature drops to
Below charging high temperature recovery value, release charging high temperature protection state.
(2) electric discharge high temperature protection and recovery: when electric discharge, when battery temperature is higher than electric discharge high temperature protection value, and continues
Time reaches high temperature protection time delay of discharging, and system enters electric discharge high temperature protection state, closes electric discharge MOS；When battery temperature drops to
Below electric discharge high temperature recovery value, release electric discharge high temperature protection state；Discharge and recharge high temperature protection can be turned off or on by host computer
Function, is defaulted as opening.
(3) charging low-temperature protection and recovery: when charging, when battery temperature is less than charging low-temperature protection value, and continues
Time reaches low-temperature protection time delay of charging, and system enters charging low-temperature protection state, closes electric discharge MOS；When battery temperature rises to
More than charging low temperature recovery value, release charging low-temperature protection state.
(4) discharge low-temperature protection and recovery: when electric discharge, when battery temperature is less than discharge low-temperature protection value, and continues
Time reaches discharge low-temperature protection time delay, and system enters discharge low-temperature guard mode, closes electric discharge MOS；When battery temperature rises to
More than charging low temperature recovery value, release discharge low-temperature guard mode；Discharge and recharge low-temperature protection can be turned off or on by host computer
Function, is defaulted as opening.
(5) MOS high temperature protection and recovery: system has a MOS temperature detection mouth, when MOS temperature is more than MOS temperature protection
Being worth, and the persistent period reaches MOS temperature protection time delay, system enters MOS high temperature protection state, closes charge and discharge MOS；When
MOS temperature drops to below MOS temperature recovery value, and Solutions of Systems removes MOS high temperature protection state；Can be turned off or on by host computer
MOS high temperature protection function, is defaulted as opening.
(6) ambient temperature protection and recovering: system has ambient temperature detection mouth, when ambient temperature reach a high temperature/low
Temperature protection value, and the persistent period reach ambient temperature protection time delay, system enter ambient temperature high temperature/low-temperature protection state,
Close charge and discharge MOS；When ambient temperature is recovered to reach ambient temperature protection recovery value, and Solutions of Systems removes high ambient temperature/low-temperature protection
State；Ambient temperature defencive function can be turned off or on by host computer, be defaulted as opening.
Fault warning:
(1) sampling fault: communication broke down between AFE (analog front end) and main control chip.When this fault occurs, close charge and discharge
Electricity MOS, when can alerting by automatically cleared failure after fault clearance.
(2) temperature NTC lost efficacy: predominantly detects the whether short circuit of temperature NTC or disconnects.When this fault occurs, close discharge and recharge
MOS, when can alerting by automatically cleared failure after fault clearance.
(3) battery core fault: battery core pressure reduction is more than 1V, or total voltage detection voltage differs by more than with each monomer voltage sum
5V, or minimum voltage is less than 0.5V.Voltage sample line disconnects also reports this fault.When can accusing by automatically cleared failure after fault clearance
Alert.
Charge balancing:
Protection board uses resistance to be close to the mode on road to carry out battery core equilibrium, set of cells when charging, the monomer voltage of set of cells
Reach equilibrium and set cut-in voltage, and when this monomer voltage is more than setting value with monomer minimum voltage pressure reduction, unlatching is equalized merit
Energy.
After equilibrium is opened, when system enters discharge mode, or monomer voltage sets cut-in voltage, or battery core pressure less than equilibrium
Difference is less than setting value, or when protection board enters guard mode (overcharge, full power state except), equilibrium stops.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, the change that can readily occur in or replacement,
All should contain within protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Enclose and be as the criterion.
Claims (10)
1. a vehicle-mounted mobile intelligent standby alterating and direct current origin system, it is characterised in that include
Commutator, is connected with 220V or 110V alternating current power supply, and alternating current is changed into unidirectional current output；
Dc-dc, is connected with on-vehicle battery, is adjusted the output voltage of on-vehicle battery, and exports after pressure regulation
Unidirectional current；
Rechargeable battery set, is connected by charge circuit with commutator and is charged；
Inverter, the discharge loop with the outfan of commutator, the outfan of dc-dc and rechargeable battery set connects respectively
Connect, unidirectional current is changed into alternating current output；
D.C. contactor, is connected in the discharge loop of rechargeable battery set, is used for connecting or disconnecting discharge loop.
Vehicle-mounted mobile intelligent standby alterating and direct current origin system the most according to claim 1, it is characterised in that at rechargeable battery
Series trip device in the charging and discharging circuit of group.
Vehicle-mounted mobile intelligent standby alterating and direct current origin system the most according to claim 2, it is characterised in that described vehicle mounted electric
The output voltage in pond is 12V, and described dc-dc is booster type dc-dc, and described dc-dc is by vehicle mounted electric
The output voltage in pond boosts to 48V and exports.
Vehicle-mounted mobile intelligent standby alterating and direct current origin system the most according to claim 1, it is characterised in that described charged electrical
The output voltage of pond group is 48V.
Vehicle-mounted mobile intelligent standby alterating and direct current origin system the most according to claim 2, it is characterised in that also include battery
Management system, described battery management system includes battery protecting plate and and the front-end collection sensing of battery protecting plate communication connection
Device and communication module, the charging and discharging state information of described front-end collection sensor acquisition rechargeable battery set by described discharge and recharge shape
State information is uploaded to battery protecting plate；Battery protecting plate controls the break-make of charging and discharging circuit according to described charging and discharging state information,
And described charging and discharging state information is transferred to host computer by communication module.
Vehicle-mounted mobile intelligent standby alterating and direct current origin system the most according to claim 5, it is characterised in that outside also including
Shell, described shell includes front panel and rear board, described front panel is provided with direct current output interface, exchange output interface,
Exchange input interface, display screen, power switch button and communication interface；Direct current input interface it is provided with in the rear on panel；
Described direct current output interface respectively with the discharge loop of rechargeable battery set, the outfan of commutator and the output of dc-dc
End connects；The input of described direct current input interface and dc-dc connects；Described exchange output interface and inverter defeated
Go out end to connect；The input of described exchange input interface and commutator connects；Described display screen and being connected with battery protecting plate；Institute
State the main contacts mechanical connection of power switch button and D.C. contactor；Described communication interface communicates to connect with communication module.
Vehicle-mounted mobile intelligent standby alterating and direct current origin system the most according to claim 5, it is characterised in that described front end is adopted
Collection sensor includes that temperature sensor, voltage sensor, current sensor and electrical quantity sensor, described voltage sensor are used for adopting
The charging/discharging voltage of collection rechargeable battery set, current sensor is for gathering the charging and discharging currents of rechargeable battery set, electrical quantity sensor
For gathering the dump energy of rechargeable battery set, temperature sensor is for gathering the temperature of rechargeable battery set.
8., according to the vehicle-mounted mobile intelligent standby alterating and direct current origin system described in any one in claim 5-7, its feature exists
In, each battery of described rechargeable battery set is respectively provided with bypass resistance.
Vehicle-mounted mobile intelligent standby alterating and direct current origin system the most according to claim 6, it is characterised in that described display screen
For LCD display.
Vehicle-mounted mobile intelligent standby alterating and direct current origin system the most according to claim 6, it is characterised in that described communication
Module is RS232, RS485 or wireless communication module, and described communication interface is RS232, RS485 or wireless communication interface.
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| CN201610527811.6A CN106058991A (en) | 2016-07-06 | 2016-07-06 | On-vehicle mobile intelligent standby AC/DC power supply system |
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| CN201610527811.6A CN106058991A (en) | 2016-07-06 | 2016-07-06 | On-vehicle mobile intelligent standby AC/DC power supply system |
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| CN201610527811.6A Pending CN106058991A (en) | 2016-07-06 | 2016-07-06 | On-vehicle mobile intelligent standby AC/DC power supply system |
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