CN107571817A - Vehicle-mounted hybrid power system - Google Patents
Vehicle-mounted hybrid power system Download PDFInfo
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- CN107571817A CN107571817A CN201710373764.9A CN201710373764A CN107571817A CN 107571817 A CN107571817 A CN 107571817A CN 201710373764 A CN201710373764 A CN 201710373764A CN 107571817 A CN107571817 A CN 107571817A
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Abstract
Vehicle-mounted hybrid power system provided by the invention, including solar battery group, gasoline or diesel generating set, batteries, super capacitor group, AC-DC converter, bidirectional, dc DC converter, Alternating Current Power Supply port, direct current supply port and intelligent management controller.Composite power source makes full use of the fast charge characteristic of super capacitor, fast energy storage is carried out to super capacitor with mobile generator, solar battery group, batteries are charged by bidirectional, dc flow directing device simultaneously, bank electricity and gasoline or diesel generating set are charged by AC DC device to batteries.It is that external loading directly provides AC power and dc source that hybrid power system, which can utilize bank electricity, gasoline or diesel generating set, Vehicular direct-current generator, solar battery group, when other energy do not provide all, AC and DC power supply can be provided for external loading with batteries.
Description
Technical field
The present invention relates generally to the electric assembly system in the electrical applications field of vehicle, more particularly to caravan, supply vehicle.
Background technology
Caravan, the power-supply system of supply vehicle are supplied to the big portion of the electric power of electric equipment to rely on gasoline or diesel-driven generator at present
To provide, or by campsite (base) offer electric power safeguard, use using battery and be used as energy storage device.When the energy storage of power-supply system fills
Put electricity and be finished rear, it is necessary to supplement in time and the charging progress supply of electric energy and storing again for energy are carried out to battery.Due to
The intrinsic charge-discharge characteristic limitation of battery, will realize momentary high power output and fast energy storage, only using battery as base
The power-supply system of plinth can not meet requirement.Therefore, how from the quick electric energy supplement of number of ways, and provided for electric equipment
The technical problem that instantaneous high-power power supply is caravan electrical system and the electric assembly of supply vehicle must solve.
The content of the invention
In view of the shortcomings of the prior art, patent of the present invention provides the vehicle-mounted hybrid power system that various energy resources can be used, and uses
In the electric energy security problem for solving the multiple power sources access in caravan, supply vehicle energy reserves and supply, the quick charge and discharge of system.
In order to solve the above technical problems, the technical solution adopted by the present invention is as follows：
Vehicle-mounted hybrid power system, including solar battery group, vapour/diesel-driven generator, mobile generator and bank electricity are a variety of
Electric energy supplies interface, ac output end mouth, direct current output port, A.C.-D.C. converter, two-way DC-DC converter, intelligence
Energy controller and touching liquid-crystal display screen, voltage, current sensor；
The two-way DC-DC converter is used for the bi-directional conversion of high and low pressure direct current, and its conversion direction is according to the system
Working condition and loading demand be controlled by intelligent controller；
The A.C.-D.C. converter is used for the mutual conversion of alternating current and direct current, when fuel electric generator work or bank
When being electrically accessed, electric energy is provided for external communication load by the converter, while be converted to direct current and filled for batteries
Electricity；Can also and bank electricity or oil-fired power generating acc power inadequate big in AC load power consumption when, the electric energy of battery storage is turned
Exchange is changed to make up corresponding power shortage；
The sun-generated electric power group, super capacitor group and the low pressure of two-way DC-DC converter are accessed by controller
End, in traveling or parking it is that the ultracapacitor group direct current that charged and supplied is born using solar energy for caravan or supply vehicle
Electric energy is carried, and is that batteries are charged by two-way DC-DC converter；
When the gasoline or diesel-driven generator are used for caravan or supply vehicle traveling or parking power supply is provided for AC load；It is more
Remaining power is battery charging by A.C.-D.C. converter, is super capacitor also by two-way DC-DC converter
Charge and powered for DC load；
Described mobile generator and isolator are the dc generator of vehicle in itself, are led to using the unnecessary power of generator
Cross the super capacitor group charging and be DC load power supply that isolator is the system.
The input and output of fast energy storage and steady dc source when described super capacitor group is used for externally fed,
When DC load needs to provide larger peak point current, reduce influence of the large load current to other DC loads；
The batteries for can deep discharge series battery, for not working in fuel electric generator, being connect without bank electricity
It is fashionable to provide electric energy for caravan and supply vehicle while also inadequate in fuel electric generator work or the power of bank electricity access but access
When, the power shortage needed for supplement load；
Storing up electricity mode using clean energy resource and utilizes mobile generator to greatest extent using batteries, super capacitor group
Output, AC load respectively on car and DC load provide AC power and dc source, and by critical loads and non-
Critical loads difference power supply.Generator will be substituted in the case where there is bank electricity supply simultaneously, batteries can be used for supplementing
Bank electricity or fuel electric generator power shortage part, preferably solves the power supply supply problem of caravan, supply vehicle.
Described intelligent controller and touch LCD display, voltage-current sensor are used for each portion by detecting power supply
Point voltage, electric current, the parameter such as temperature and shown, the conversion and control of power work state are carried out according to the parameter of setting
System, complete electric energy supply to AC load, the charge and discharge control of batteries, super capacitor group management of charging and discharging, exchange-
The work method control of DC converter, the mode of two-way DC-DC converter and energy traffic organising, fuel electric generator
Start-up and shut-down control and to power-supply system carry out protectiveness Detection ＆ Controling；Touch LCD screen provides the real-time display of service data, electricity
The display of source state, the control parameter input of power-supply system.
Described exchange output interface includes key load output interface and nonessential load output interface, key
No matter whether external power supply accesses output interface, can be to AC load on the premise of batteries possess enough energy reserves
Continual electric energy supply is provided, nonessential loading interfaces are then only in the case where fuel electric generator works or has bank electricity access
Just electric energy supply is provided to AC load.
Compared with the technology of present power-supply system, the present invention has advantages below：
The vehicle-mounted hybrid power system of the present invention is inputted by a variety of electric energy, a variety of energy-storage travelling wave tubes form caravan, supply vehicle
Electrical energy supply system, solar cell, fuel electric generator, Vehicular direct-current motor can be system after the storing up electricity of system is finished
Recharged and ensured that the offer that the alternating current-direct current electrical equipment on caravan, power supply, the AC and DC of caravan load is uninterrupted
Power supply is supplied, and system is powered using solar cell, Vehicular direct-current generator, has given full play to mobile generator efficiency,
Environmental protection is accomplished and has improved the effect of efficiency of energy utilization, while system is realized as energy storage device using super capacitor group
Fast energy storage and High-current output ability is provided, be effectively improved the charge and discharge cycle efficieny of system, and because electric capacity discharges
It is physical process, so as to substantially increase the service life of system.
The present invention is provided with the intelligent controller with touch LCD screen, can easily carry out browsing, in real time for operational factor
The running status of understanding system, the parameters of composite power source are monitored, safeguards system safe operation, realize power-supply system management
Intellectuality.
Brief description of the drawings
Fig. 1 is vehicle-mounted hybrid power system schematic diagram；
Fig. 2 is composite power source modular structure schematic diagram；
Embodiment
Vehicle-mounted hybrid power system, for the alternating current-direct current load supplying for caravan or the electrical system as supply vehicle, such as
Shown in Fig. 1.The power-supply system includes：
Solar battery group 1 and controller 3, mobile generator 2 and isolator 4, two-way DC-DC converter 8 are super
Capacitor bank 9, batteries 10, A.C.-D.C. converter 12, vapour/diesel-driven generator 15, bank electricity 16, intelligent management controller
11 and touch LCD screen 7, direct current output interface 5, key exchange output interface 13, crucial 220V AC loads 14, non-key friendship
Flow output interface 17, non-key AC load output interface 18.
Solar battery group 1 accesses low-voltage direct bus by controller 3, and Vehicular direct-current generator 2 passes through isolator 4
Low-voltage direct bus is accessed, the low-pressure end and ultracapacitor group 9 of two-way DC-DC converter 8 access low-voltage bus bar, directly
In output interface access low-voltage direct bus, the nominal voltage of low-voltage bus bar is 12V or 24V during specific implementation.
Two-way DC-DC converter 8 high-pressure side access high voltage dc bus, alternating continuous-current commutating machine 12 it is straight
Stream terminates to be connected into high voltage dc bus, high voltage dc bus with batteries, when it is implemented, high voltage dc bus is nominal
Voltage is 36V or 48V.
Vapour/diesel-driven generator 15 exchanges 16 with bank electricity and is directly accessed AC-DC converter by different connectivity ports respectively
Device 12.
A.C.-D.C. converter 12 has two independent AC output terminals, exchange output interface 13 incoming transport-straight
One of ac output end of current converter 12, exchange 17 incoming transports of output interface-DC converter 12 another
Ac output end, the crucial incoming transport output interface 13 of 200V AC loads 14, non-key 220V AC loads incoming transport are defeated
Outgoing interface 17.
Described crucial 220V AC loads 14 do not connect including exchanging 16 with bank electricity when vapour/diesel-driven generator 15 does not work
The fashionable load for needing system to provide alternating electromotive force.
Described non-key 220V AC loads 18 are included when vapour/diesel-driven generator 15 works or bank electricity exchange 16 accesses
The load of alternating electromotive force is just provided.
The electrical equipment of the direct current supply of DC load 6 for example light fixture, DVB, caravan safety-protection system, audio-video system and
Other household small electric appliances.
Intelligent controller 11 and touch LCD screen 7 are used to system is monitored and monitored, according to the energy of system components
Measure supply situation, the energy storage situation control unit mode of operation of system stored energy part, the flow direction of decision-making energy.
In the present embodiment, described two-way DC-DC converter 8 is using two models of Shenzhen Qing Chi scientific ＆ technical corporation
DC30DC150P3KW digital two-way DC-DC converter is in parallel, converter using soft switch technique complete 36V or
The frequent energy of 48V HVDC and 12V low-voltage directs is mutually changed.Two DC-DC converters 8 are led to using special
Interrogate bus bar synchronous operation.Two-way DC-DC converter 8 is connected with intelligent controller 11 using RS485 buses, two-way straight
The mode of operation of stream-DC converter 8 is selected by intelligent controller according to system running state.When two-way DC-DC converts
Device 8 when DC load 6 and ultracapacitor 9 supply of electrical energy of group to working in low-pressure end (12V) constant voltage mode, to maintain low-pressure end
The stabilization of output voltage；When two-way DC-DC converter 8 is to 10 supply of electrical energy of batteries, intelligent controller 11 will be double
High pressure (36V or 48V) constant voltage mode is switched to the mode of operation of DC-DC converter 8, to safeguard the steady of High voltage output
It is fixed.As supply vehicle, in use, additionally provide high pressure MPPT input patterns in short-term, two-way DC-DC converter 8 will be automatic
The voltage and input current of high input voltage side are tracked, it is converted rear defeated to extract peak power to automatically adjust input side circuit parameter
Go out to low-pressure side, peak power guarantee is provided for low-pressure side electricity consumption.
In the present embodiment, to make full use of the space of caravan or supply vehicle, it is easy to composite power source to carry out the independent dimension of part
Shield and replacing, composite power source employ modular organization (such as Fig. 2)：
Module I：By the super capacitor group 9 in composite power source, two-way DC-DC converter 8 and direct current output interface 5,
Controller 3, the isolator 4 of solar battery group are formed, and are mainly the input and output of low-voltage direct part the characteristics of the module；
Module ii：It is made up of batteries 10 and touch-screen 7, intelligent management controller 11.Wherein battery uses 4 pieces
12V200Ah batteries, battery pack connect two-way DC-DC converter 8 and A.C.-D.C. converter 12. by dc bus
Whether touch-screen 7 is located at the front panel of module, while put into equipped with key switch control control whole system on panel
Work；
A.C.-D.C. converter 12, bank electricity exchange input interface 16, exchange output interface in module ii I composite power sources
13 with to exchange output interface 17 be a module, in the module mainly based on the input and output of alternative energy sources, to prevent from handing over
Stream electricity produces electromagnetic radiation and interference is produced to caravan electrical equipment, and the module uses the shell with shielding character；
Module I V：Vapour/diesel-driven generator 15 is an independent module, is equipped in a frame with heavy slide rail,
Waste gas discharge and everyday devices when operating, working during convenient use safeguard that the module is that ac bus is connected with module ii I,
Alternative electric generation by intelligent controller 11 control, it is automatic according to the electricity consumption situation and storing up electricity situation of composite power source by intelligent controller
Start.
The vehicle-mounted hybrid power system of the present invention realizes following supply of electric power mode：
1. when there is bank electricity exchange connection, bank electricity exchange 16 is given by A.C.-D.C. converter 12, exchange output interface 13
Crucial 220V AC loads 14 are powered, while are powered by exchanging output interface 17 to non-key 220V AC loads 18, work as bank
When the power of electricity is inadequate, the electric energy that batteries 10 store can be that the load of above-mentioned two class supplies by A.C.-D.C. converter 12
Answer vacancy part.
2. in vapour/diesel-driven generator work, the alternating current of generator is exported by A.C.-D.C. converter 12, exchange
Interface 13 is powered to crucial 220V AC loads 14, while by exchanging output interface 17 to non-key 220V AC loads 18
Power supply, when the power of bank electricity is inadequate, the electric energy that batteries 10 store can be above-mentioned two by A.C.-D.C. converter 12
Class load supply vacancy part.No matter caravan or supply vehicle are in driving or parked state can be with work to vapour/diesel-driven generator
Make.
3. when bank electricity exchange 16 or vapour/diesel-driven generator work, crucial 220V AC loads 14 and non-key are being supplied
When the electric energy that 220V AC loads 18 use still has more than needed, flap portion is converted to high straightening by A.C.-D.C. converter 12
Flow and charged for batteries 10, meanwhile, the electric energy of high voltage dc bus is super electricity also by two-way DC-DC converter 8
Appearance group 9 charges, and supplies direct current to DC load 6 by direct current output interface 5.
4. during driving states, the unnecessary electric energy of Vehicular direct-current generator 2 provides electricity by isolator 4 for low-voltage direct bus
Can, the electric energy to super capacitor group 9 in addition to charging and being powered by direct current output interface 5 for DC load 6, also by two-way straight
Stream-DC converter 8 is battery charging.
5. solar battery group 1 provides electric energy by controller 3 for low-voltage direct bus, the electric energy is removed to super capacitor group
9 charge and are powered outside for DC load 6 by direct current output interface 5, are electric power storage also by two-way DC-DC converter 8
Pond group charging.
6. when exchanged without bank electricity, fuel electric generator does not work when, batteries 10 store electric energy become by AC-DC
Parallel operation 12 provides alternating current with output interface 13 is exchanged for crucial 220V AC loads.
7. when Vehicular direct-current generator 2 does not work, solar battery group 1 can not provide electric energy, super capacitor group 9 passes through
Direct current output interface 5 is powered to DC load 6, meanwhile, two-way DC-DC converter 8 turns the HVDC of batteries
Low-voltage direct is changed to, is voltage DC bus electric energy supplement.
8. the vehicle-mounted hybrid power system of the present invention is equipped with intelligent management controller 11, batteries 10 are monitored in real time, are surpassed
The storing up electricity state of 9 groups of capacitor of level, the timely convert charging pattern when storing up electricity meets are timely in discharge process until stopping charging
Power supply is terminated to protect storing up electricity device, the operational factor of the real-time display each several part of touch LCD screen 7, provides operation on liquid crystal display 7
Soft-key button, pass through the functions such as the startup, operation, parameter setting of clicking operation experimental power supply system.
Finally illustrate, above embodiment is merely illustrative of the technical solution of the present invention, for the technology of the present invention
Scheme modifying or the equal objective and scope replaced without departing from technical solution of the present invention, it all should cover the right in the present invention
In claimed range.
Claims (6)
1. vehicle-mounted hybrid power system, it is characterised in that including bank electricity exchange and gasoline or diesel generating set, solar cell
Group, A.C.-D.C. converter, two-way DC-DC conversion, super capacitor group, batteries, bank electricity and gasoline or diesel generation
The input of unit is accessed by forceful electric power interface, and A.C.-D.C. converter can become directly to Alternating Current Power Supply and by AC-DC
Parallel operation charges for battery, and the output of automobile dc generator accesses super capacitor level and two-way DC-DC by isolator
The low-pressure end of converter, quick charge directly is carried out for super capacitor group, while by the high pressure of two-way DC-DC converting means
Hold and charged for batteries；Light current supply port accesses the low-pressure end of super capacitor level and two-way DC-DC converter,
When no bank electricity and gasoline or diesel generating set do not work, batteries are supplied by alternating continuous-current commutating machine and exchanged
Electricity, dc source is supplied by DC-DC conversion device.
2. vehicle-mounted hybrid power system as claimed in claim 1, it is characterised in that be connected to including super capacitor group two-way straight
The low-pressure end of stream-flow directing device and direct current supply port, Vehicular direct-current generator pass through control by isolator, solar battery group
Device processed to its direct charging and externally can directly feed dc source, so as to the output voltage of steady mobile generator, realization
Fast energy storage, and the big peak point current of moment is provided for DC load when battery-powered.
3. vehicle-mounted hybrid power system as claimed in claim 1, it is characterised in that also including intelligent control module and touch liquid
Crystalline substance screen human-computer interaction interface, two-way DC-DC converter, A.C.-D.C. converter, the sun in vehicle-mounted hybrid power system
Energy battery controller is connected with intelligent control module.Intelligent control module supplies feelings according to duty requirements and with extra power
Condition and the storing up electricity situation of battery control corresponding converting means work, touch LCD screen provide vehicle-mounted composite power source state and
Data are shown, receive control operation instruction.
4. vehicle-mounted hybrid power system as claimed in claim 1, it is characterised in that system includes sensor and monitored respectively respectively
Partial voltage, electric current and power, the storing up electricity situation of battery pack；Intelligent control module can set the operational factor of correlation, be
System controls gasoline or diesel generating set to work according to the storing up electricity state of external power source and battery pack, controls two-way DC-DC
The transformation of electrical energy direction of converter and mode of operation；Batteries or (and) ultracapacitor group voltage reaches the upper limit of setting
When, stop charging to the storing up electricity part of correlation.
5. vehicle-mounted hybrid power system as claimed in claim 1, it is characterised in that the ac output end mouth of system is divided into key
Load outputs mouth and non-critical loads output port, intelligent controller control non-critical loads according to external power source supply situation
Whether output port exports electric energy, as long as and critical loads output port batteries possess fan-out capability just continuous output electricity
Can, it is ensured that the safe handling of vehicle-mounted visual plant.
6. a kind of operation method using such as claim 1-5 systems, said system uses following operating procedure：
1) when there is bank electricity exchange connection, bank electricity exchange is handed over by A.C.-D.C. converter, exchange output interface to crucial 220V
Current load is powered, while is powered by exchanging output interface to non-key 220V AC loads, when the power of bank electricity is inadequate, is stored
The electric energy of battery storage can be above-mentioned two class load supply vacancy part by A.C.-D.C. converter；
2) in vapour/diesel-driven generator work, the alternating current of generator is given by A.C.-D.C. converter, exchange output interface
Crucial 220V AC loads power supply, while powered by exchanging output interface to non-key 220V AC loads, when vapour/diesel oil hair
When the AC power of motor is inadequate, the electric energy of batteries storage can be loaded by A.C.-D.C. converter for above-mentioned two class
Supply vacancy part, no matter caravan or supply vehicle are in driving or parked state and can worked vapour/diesel-driven generator.
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| CN201710373764.9A CN107571817B (en) | 2017-05-24 | 2017-05-24 | Vehicle-mounted composite power supply system |
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| CN201710373764.9A CN107571817B (en) | 2017-05-24 | 2017-05-24 | Vehicle-mounted composite power supply system |
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| CN107571817B CN107571817B (en) | 2020-04-24 |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108336806A (en) * | 2018-01-24 | 2018-07-27 | 郑超 | A kind of comprehensive power supply device and method |
| CN108459526A (en) * | 2018-03-30 | 2018-08-28 | 北京聚利科技股份有限公司 | Vehicle-mounted spontaneous electric equipment and automobile |
| CN108501841A (en) * | 2018-04-26 | 2018-09-07 | 江苏建筑职业技术学院 | A kind of caravan distribution system based on solid state distribution equipment |
| CN109586398A (en) * | 2018-12-06 | 2019-04-05 | 重庆瑜欣平瑞电子股份有限公司 | A kind of room automobile oil electricity mixed energy power supply system and working method |
| CN110588549A (en) * | 2019-09-19 | 2019-12-20 | 北京三快在线科技有限公司 | Power supply system of vehicle and vehicle |
| CN110620382A (en) * | 2019-10-29 | 2019-12-27 | 山东理工大学 | Multi-power-supply hybrid power supply and distribution control system for pull type motor home and control method thereof |
| CN111976490A (en) * | 2020-08-27 | 2020-11-24 | 航天科工微电子系统研究院有限公司 | Oil-electricity hybrid type mobile vehicle-mounted modular high-power energy source guarantee system |
| CN112248812A (en) * | 2020-10-15 | 2021-01-22 | 北京三快在线科技有限公司 | Unmanned vehicle and unmanned distribution system |
| CN112310961A (en) * | 2020-10-16 | 2021-02-02 | 厦门瀚能能源技术有限公司 | Car as a house electrical management system |
| CN112572159A (en) * | 2020-12-15 | 2021-03-30 | 西安华海众和电力科技有限公司 | Multi-energy interconnected artificial intelligence new energy carrier |
| CN112721837A (en) * | 2021-01-29 | 2021-04-30 | 武汉法拉唯汽车科技有限公司 | Vehicle power distribution system |
| CN113394866A (en) * | 2020-03-13 | 2021-09-14 | 北京群菱能源科技有限公司 | Multifunctional mobile energy storage power supply system |
| CN113844273A (en) * | 2021-10-26 | 2021-12-28 | 武汉萨普科技股份有限公司 | Car as a house power management system |
| CN115498741A (en) * | 2022-10-12 | 2022-12-20 | 武汉美格科技股份有限公司 | Multi-energy complementary vehicle-mounted power supply device and control method |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108336806A (en) * | 2018-01-24 | 2018-07-27 | 郑超 | A kind of comprehensive power supply device and method |
| CN108459526A (en) * | 2018-03-30 | 2018-08-28 | 北京聚利科技股份有限公司 | Vehicle-mounted spontaneous electric equipment and automobile |
| CN108501841A (en) * | 2018-04-26 | 2018-09-07 | 江苏建筑职业技术学院 | A kind of caravan distribution system based on solid state distribution equipment |
| CN109586398A (en) * | 2018-12-06 | 2019-04-05 | 重庆瑜欣平瑞电子股份有限公司 | A kind of room automobile oil electricity mixed energy power supply system and working method |
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| CN110620382A (en) * | 2019-10-29 | 2019-12-27 | 山东理工大学 | Multi-power-supply hybrid power supply and distribution control system for pull type motor home and control method thereof |
| CN113394866A (en) * | 2020-03-13 | 2021-09-14 | 北京群菱能源科技有限公司 | Multifunctional mobile energy storage power supply system |
| CN111976490A (en) * | 2020-08-27 | 2020-11-24 | 航天科工微电子系统研究院有限公司 | Oil-electricity hybrid type mobile vehicle-mounted modular high-power energy source guarantee system |
| CN112248812A (en) * | 2020-10-15 | 2021-01-22 | 北京三快在线科技有限公司 | Unmanned vehicle and unmanned distribution system |
| CN112248812B (en) * | 2020-10-15 | 2022-03-29 | 北京三快在线科技有限公司 | Unmanned vehicle and unmanned distribution system |
| CN112310961A (en) * | 2020-10-16 | 2021-02-02 | 厦门瀚能能源技术有限公司 | Car as a house electrical management system |
| CN112572159A (en) * | 2020-12-15 | 2021-03-30 | 西安华海众和电力科技有限公司 | Multi-energy interconnected artificial intelligence new energy carrier |
| CN112721837A (en) * | 2021-01-29 | 2021-04-30 | 武汉法拉唯汽车科技有限公司 | Vehicle power distribution system |
| CN112721837B (en) * | 2021-01-29 | 2023-08-15 | 武汉法拉唯汽车科技有限公司 | Vehicle power distribution system |
| CN113844273A (en) * | 2021-10-26 | 2021-12-28 | 武汉萨普科技股份有限公司 | Car as a house power management system |
| CN115498741A (en) * | 2022-10-12 | 2022-12-20 | 武汉美格科技股份有限公司 | Multi-energy complementary vehicle-mounted power supply device and control method |
| CN115498741B (en) * | 2022-10-12 | 2023-05-02 | 武汉美格科技股份有限公司 | Multi-energy complementary vehicle-mounted power supply device and control method |
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| Publication number | Publication date |
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| CN107571817B (en) | 2020-04-24 |
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