CN106300587A - A kind of field lithium battery charging device and method - Google Patents
A kind of field lithium battery charging device and method Download PDFInfo
- Publication number
- CN106300587A CN106300587A CN201610804287.2A CN201610804287A CN106300587A CN 106300587 A CN106300587 A CN 106300587A CN 201610804287 A CN201610804287 A CN 201610804287A CN 106300587 A CN106300587 A CN 106300587A
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- Prior art keywords
- voltage
- charger
- internal combustion
- constant
- electromotor
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Classifications
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- 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
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
- H02J7/1469—Regulation of the charging current or voltage otherwise than by variation of field
- H02J7/1492—Regulation of the charging current or voltage otherwise than by variation of field by means of controlling devices between the generator output and the battery
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
Abstract
The open a kind of field lithium battery charging device of the present invention and method, mainly include for providing the power plant module of power to electricity generation module, for the electricity generation module being charged to charging module with for the charging module being charged to equipment, power plant module includes constant-voltage controller, throttle motor and internal combustion engine, electricity generation module includes commutator and electromotor, charging module includes charger and lithium battery group, and internal combustion engine is connected with electromotor, and commutator is connected with constant-voltage controller, charger and electromotor.Field disclosed by the invention lithium battery charging device, simple in construction, charging modes is convenient, is particularly suitable for field work, and it is mainly by internal combustion engine, electromotor, and charger forms；It is characterized in directly using the constant low pressure electricity generation system of below 30V, also can use safely under complex situations in the wild, Danger Electric shock risk will not occur；There is no pressure reduction, in hgher efficiency.
Description
Technical field
The present invention relates to charger technologies field, particularly relate to a kind of lithium battery charging device for field and method.
Background technology
Along with development and the raising of people's living standard of science and technology, automation equipment gets more and more, by these certainly
Dynamicization equipment, can be greatly saved human cost, and production efficiency is high.In agricultural industry, field plant protection operates, such as pesticide
The work such as sprinkling, due in the past all by artificial spray, need manually to carry the heaviest medicament and spray trees, for greatly
The woods of area, spraying efficiency is low, and along with the development of science and technology, begins with unmanned plane at present and spray the medicine of agricultural
Spill.
Current existing electronic class unmanned plane, when working continuously the most for a long time, needs substantial amounts of lithium battery power supply,
Particularly plant protection class unmanned plane is the most prominent, and operation of generally going out needs periods of months, and the most basic settling mode is, one,
Prepare substantial amounts of lithium battery group, special messenger deliver to man of peasant household charges by dead battery, after fully charged, take battery to work
Industry point, takes back dead battery, so circulates；Two, the city's electric generator+blood pressure lowering preparing one or more commercialization is steady
Voltage source+charger, charges on the spot.
The first needs a special messenger to be responsible for, and needs to prepare substantial amounts of set of cells；The second can solve the problem that substantially
Problem, but safety and efficiency are affected, owing to wild environment is more complicated, the careless slightly Danger Electric shock risk that will occur, right
Personal safety has very big hidden danger；Have a pressure reduction, it will having 20% electricity to become heat and disappear, efficiency will drop simultaneously
Low.
Summary of the invention
For weak point present in above-mentioned technology, the present invention provides a kind of safety high, the lithium electricity that charge efficiency is high
Pond charging device and method.
In order to achieve the above object, the present invention open a kind of field lithium battery charging device, including:
For the charging module being charged to equipment, charging module is provided with the lithium of charger, described charger and equipment
Set of cells electrically connects；
The generating that constant voltage is below 30V it is provided with on the electricity generation module being charged to charging module, described electricity generation module
Machine and the alternating current sent by electromotor are converted into galvanic commutator, and electromotor is connected with the input of commutator, described
The outfan of commutator electrically connects with charger, charges directly to charger；
For providing the power plant module of power to electricity generation module, described power plant module is provided with the constant-voltage power maintaining electromotor
The constant-voltage controller in source, described constant-voltage controller electrically connects with the outfan of commutator.
Wherein, being additionally provided with internal combustion unit in described power plant module, described internal combustion unit includes internal combustion engine and throttle motor,
Described throttle motor electrically connects with internal combustion engine, controls the running speed of internal combustion engine, and internal combustion engine directly electrically connects with electromotor, drives
Dynamic generator rotation.
Wherein, described constant-voltage controller is provided with voltage checking chip, master controller and motor and controls assembly, described electricity
Pressure detection chip electrically connects with master controller, and in the commutator that will detect, the voltage swing of output passes to master controller,
Described master controller controls assembly with motor and electrically connects, and controls the rotating speed of assembly according to the Control of Voltage motor detected；Described
Motor controls assembly and directly electrically connects with throttle motor, directly controls the throttle size of throttle motor.
Wherein, described master controller sets and keeps voltage as 27V, to control the rotating speed of motor control assembly, thus controls
The throttle size of throttle motor makes generator voltage constant for 27V, when whole constant-voltage controller cannot be adjusted at 3 seconds inland river electromotors
Whole for 27V time, constant-voltage controller restarts.
Wherein, described charger is lithium battery group special balancing charger, and its output voltage is not more than 27V, described charging
Being provided with main power source output interface and balancing plug output regulation interface on device, described main power source output interface is large current charge
Interface, the concordance of every battery core voltage in balancing plug output interface regulation lithium battery group.
Invention additionally discloses a kind of field lithium cell charging method, including:
The electromotor of the constant-voltage controller control electricity generation module in power plant module exports the voltage of constant below 30V；
The outfan of the electromotor on electricity generation module is connected with the input of the commutator being all in electricity generation module, and electromotor
Output voltage is below 30V, commutator the alternating current sent by electromotor is converted into direct voltage output；
The outfan of commutator electrically connects with the charger on charging module, by filling of the lithium battery group of charger control equipment
Electricity.
Wherein, described constant-voltage controller controls internal combustion unit thus drives electrical power generators, in described internal combustion unit includes
Combustion engine and throttle motor, throttle motor directly controls the rotating speed of internal combustion engine, and electromotor comes defeated by the size of the rotating speed of internal combustion engine
Go out different size alternating voltage.
Wherein, the output voltage size of the voltage checking chip detection commutator on described constant-voltage controller, and will detection
To commutator in the voltage swing of output pass to master controller, described master controller according to the size of voltage, adjusts motor
Control the rotating speed of assembly；Described motor controls assembly and directly electrically connects with throttle motor, and the throttle directly controlling throttle motor is big
Little.
Wherein, it is 27V that described master controller arranges holding voltage, to control the rotating speed of motor control assembly, when detecting
When rectifier output voltage is more than 27V, then motor control assembly rotates forward, and reduces throttle motor throttle size and makes internal combustion engine turn
Prompt drop as little as allows generator voltage until 27V, if be less than 27V, motor controls assembly and rotates backward, electricity of opening the throttle
Machine oil door size, makes the faster rotational speed of internal combustion engine to generating function can be allowed to send 27V, if be equal to 27V, keeps current
Throttle, circulates the most always, remains and can export 27V voltage to charger, if electromotor cannot be adjusted in 3 seconds to 27V,
Constant-voltage controller restarts.
Wherein, described charger uses lithium battery group special balancing charger, and output voltage is not more than 27V, and charger
Main power source output interface and balancing plug output regulation interface is all connected with lithium battery group, its main power source output interface be greatly the most electric
Current charge interface, balancing plug output interface act as regulating the concordance of every battery core voltage in lithium battery group.
The invention has the beneficial effects as follows:
Compared with prior art, disclosure of the invention a kind of lithium battery charging device for field work and method, this lithium
Battery charger, simple in construction, charging modes is convenient, is particularly suitable for field work, and it is mainly by internal combustion engine, electromotor,
Charger forms；It is characterized in directly using the constant low pressure electricity generation system of below 30V, in the wild also can safety under complex situations
Use, Danger Electric shock risk will not occur；There is no pressure reduction, in hgher efficiency.Whole process need not decompression device, and voltage is only
27V is less than safe voltage value, safer；Whole process need not decompression device, and voltage only has 27V to be less than safe voltage value,
Safer；The present invention does not has decompression device can reduce cost and maintenance cost and weight, decreases efficiency conversion simultaneously,
More energy-conservation；Battery charger excessively in output be can being full of and the difference of rechargeable battery quantity along with battery, can be automatically
Regulation throttle for IC engine, i.e. according to output loading be the automatic equivalent of size export corresponding throttle, high capacity height throttle low-load
Low throttle is the most idle, so can be the most fuel-efficient, it will more energy-conservation.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the structure of the lithium battery charging device of the embodiment of the present invention；
Fig. 2 is the constant-voltage controller internal structure connection diagram of the embodiment of the present invention；
Fig. 3 is the lithium cell charging method flow diagram of the embodiment of the present invention.
Main element illustrates:
1, power plant module 2, electricity generation module
3, charging module 11, constant-voltage controller
12, throttle motor 13, internal combustion engine
14, high tension generator 15, spark plug
16, ignition coil 21, commutator
22, electromotor 23, charger
32, lithium battery group 111, DC-DC voltage-releasing voltage stabilizer
112, voltage checking chip 113, master controller
114, stepper motor driver chip 115, controllable silicon
116, motor.
Detailed description of the invention
In order to more clearly state the present invention, below in conjunction with the accompanying drawings the present invention is further described.
Refering to Fig. 1, the present invention provides a kind of field lithium battery charging device, and it mainly includes for providing to electricity generation module
The power plant module 1 of power, for the electricity generation module 2 being charged to charging module with for the charging mould being charged to equipment
Block 3, power plant module 1 electrically connects with electricity generation module 2, and electricity generation module 2 electrically connects with charging module 3, and power plant module 1 includes constant voltage control
Device 11 processed, constant-voltage controller 11 is mainly for detection of the output voltage values of whole charging device, and controls the fortune of throttle motor 12
Turning, and throttle motor 12 is arranged on internal combustion engine 13, throttle motor 12 and internal combustion engine 13 are together to form internal combustion unit, whole interior
Combustion engine group is primarily to drive electromotor 22 to rotate, and electromotor 22 have rotated and just can send electric power.Throttle in the present embodiment
The throttle size of motor 12 is controlled by constant-voltage controller 11, and in throttle motor 12, the size of throttle directly controls internal combustion engine 13
Rotating speed, internal combustion engine 13 electrically connects with the electromotor 22 on electricity generation module 2, thus drives the rotation of electromotor 22, electromotor 22
Electricity pressure is determined by the rotating speed of internal combustion engine 13.
In the present embodiment, electricity generation module 1 also including commutator 21, the electricity sent due to electromotor 22 is exchange
Electricity, and being typically filled with electrical equipment charged is all unidirectional current, therefore need to arrange a commutator 21, convert alternating current to. the most herein
Unidirectional current exports again.
Referring to Fig. 2, in the present embodiment, constant-voltage controller 11 is internal has farther included DC-DC voltage-releasing voltage stabilizer
111, voltage checking chip 112, master controller 113, stepper motor driver chip 114, controllable silicon 115 and motor 116, its
Middle stepper motor driver chip 114 and motor 116 are combined into motor and control assembly, wherein motor 116 and throttle electricity
Machine 12 electrically connects, and stepper motor driver chip 114 electrically connects with master controller 113, master controller 113 and voltage checking chip
112 and DC-DC voltage-releasing voltage stabilizers 111 electrically connect, and voltage checking chip 112 and DC-DC voltage-releasing voltage stabilizer 111 is simultaneously and commutator
21 electrical connection, wherein, in whole power plant module, be additionally provided with high tension generator 14, spark plug 15 and ignition coil 16, wherein
High tension generator 14 all electrically connects with controllable silicon 115 with ignition coil 16, and high tension generator 14 electrically connects with spark plug 15, spark
Plug 15 electrically connects with internal combustion engine 13, and internal combustion engine 13 electrically connects with ignition coil 16.
In the present embodiment, the power supply of whole constant-voltage controller 11 is from the output port power taking of commutator 21, through DC-DC
Being depressurized to regulator 111 blood pressure lowering becomes 5V to power to whole constant-voltage controller 11, the commutator that voltage checking chip 112 will detect
The voltage of 21 sends to master controller 113, and master controller 113 is the CPU of constant-voltage controller, its built-in control program, is responsible for association
It is in harmonious proportion and judges, master controller 113 is arranged the holding voltage of 27V.The voltage detected when voltage checking chip 112 is less than 27V
Time, master controller 113 then sends signal, and then drive stepping motor 116 clockwise movement to stepper motor driver chip 114,
Then counterclockwise movement when more than 27V, then keeps current location as just 27V.Meanwhile, if constant-voltage controller 11 is in 3 seconds
Cannot adjust to 27V, then master controller 113 sends a signal to controllable silicon 115 and disconnects the circuit of high tension generator 14, high pressure always
Generator 14 controls spark plug 15 and acts on internal combustion engine 13, makes that internal combustion engine 13 is instantaneous to run out of steam, voltage will moment flash, this
Time charger 31 will restart, do not have output, electromotor 22 will less than load, under the effect of inertia, internal combustion engine 13 also can revolve
Turning, now voltage will go up, and constant-voltage controller 11 will restart work, and internal combustion engine 13 enters idling mode, if continuing not
Can reach 27V the most so to circulate, inertia continuous decrement is until being not enough to start internal combustion engine, and internal combustion engine 13 stops working, and charger 3 is at electricity
Then restart when source is less than 15V, do not have voltage to export.When needs are from new startup internal combustion engine 13, internal combustion engine 13 control point fire coil
16 work, and transmit firing information to controllable silicon 115.
In the present embodiment, commutator 21 exports constant voltage to the charger 31 on charging module 3, charger 31 is lithium
Set of cells 32 special balancing charger, it is output as 7.4-25.2V, charger 31 is provided with main power source output interface and balance
Joint output regulation interface, main power source output interface is large current charge interface, balancing plug output interface regulation lithium battery group
The concordance of interior every battery core voltage.
Refer to Fig. 3, the method that present invention also offers a kind of field lithium cell charging, its key step includes:
S1, detected the output voltage of commutator 21 by constant-voltage controller 11；
The internal holding voltage that 27V is set of S2, constant-voltage controller 11, and control turning to of motor control assembly, thus control oil
The throttle size of door motor 12, then control the rotating speed of internal combustion engine 13；
S3, internal combustion engine drive generator rotation, and the rotating speed of internal combustion engine directly controls the rotation speed of electromotor, thus controls generating
The size of machine 22 output voltage；
S4, the voltage sent due to electromotor 22 are alternating current, therefore alternating voltage electromotor 22 sent by commutator 21
Being converted into DC voltage, and export, wherein one end exports to constant-voltage controller 11, and the other end exports to commutator 31；
S5, constant-voltage controller 11 detect whether the voltage of commutator 21 output is constant 27V, when for constant 27V, and output
To charger, when not being constant 27V, perform S8 step, it is judged that whether circulation time continues 3 seconds, if not continuing 3 seconds,
Then readjusted the throttle size of throttle motor by constant-voltage controller 11, control internal combustion engine and adjust rotating speed, i.e. perform S2 step,
Thus adjust the output of electromotor 22, circulate with this, until being constant 27V；If more than 3 seconds, i.e. perform S9 step；
S6, when commutator 21 be output constant 27V time, be charged to charger 31；
S7, charger 31 are charged to the lithium battery group 32 of equipment.
S8, whether circulate adjust electromotor 22 voltage continue 3 seconds, the most persistently 3 seconds, perform S2 step, if having continued
3 seconds, then perform S9 step；
Controllable silicon 115 in S9, constant-voltage controller disconnects high tension generator 14；
S10, high tension generator 14 control spark plug 15, disconnect spark plug 15, so that internal combustion engine 13 moment runs out of steam, and voltage
Will moment flash,；
S11, charger 31 are then restarted when power supply is less than 15V, do not have voltage to export, and electromotor 22 will be less than load, at inertia
Effect under internal combustion engine 13 also can rotate, now voltage will go up, and constant-voltage controller 11 will restart work, internal combustion engine 13
Enter idling mode；
Whether S12, again detection commutator 31 reach 27V, reach 27V, then perform S6 step, and commutator 21 exports 27V voltage
To charger 31, charger 31, to lithium battery group emphasis, if persistently can not reach 27V, so circulates, and inertia continuous decrement is straight
To being not enough to start internal combustion engine, internal combustion engine 13 stops working, and quits work.
Equally, in the charging method used by the present embodiment, charger 31 also should use lithium battery group 32 special balancing to fill
Electrical equipment 31, output voltage range is at 7.4-25.2V, and the main power source output interface of charger and balancing plug output regulate interface
All being connected with lithium battery group, its main power source output interface is large current charge interface, and balancing plug output interface act as regulation
The concordance of every battery core voltage in lithium battery group.
Present invention have an advantage that
1) the invention discloses a kind of lithium battery charging system, this charging system is particularly suitable for field work, and it is by internal combustion engine,
Electromotor, charger forms；Simple in construction, volume is little, also allows for carrying；
2) this lithium battery charging device directly uses the constant low pressure electricity generation system of below 30V, also may be used in the wild under complex situations
Safe handling, will not occur Danger Electric shock risk；There is no pressure reduction, in hgher efficiency；
3) whole process need not decompression device, and voltage only has below 30V less than safe voltage value, safer；There is no blood pressure lowering
Equipment can reduce cost and maintenance cost and weight, decreases efficiency conversion simultaneously；
4) battery charger excessively in output be can being full of and the difference of rechargeable battery quantity along with battery, can be automatically adjusted
Internal combustion engine and throttle motor, be i.e. that the automatic equivalent of size exports corresponding throttle according to output loading, and high capacity height throttle is low negative
Carry low throttle the most idle, so can be the most fuel-efficient, it will more energy-conservation.
The several specific embodiments being only the present invention disclosed above, but the present invention is not limited to this, any ability
What the technical staff in territory can think change all should fall into protection scope of the present invention.
Claims (10)
1. a field lithium battery charging device, it is characterised in that including:
For the charging module being charged to equipment, charging module is provided with the lithium of charger, described charger and equipment
Set of cells electrically connects；
The generating that constant voltage is below 30V it is provided with on the electricity generation module being charged to charging module, described electricity generation module
Machine and the alternating current sent by electromotor are converted into galvanic commutator, and electromotor is connected with the input of commutator, described
The outfan of commutator electrically connects with charger, charges directly to charger；
For providing the power plant module of power to electricity generation module, described power plant module is provided with the constant-voltage power maintaining electromotor
The constant-voltage controller in source, described constant-voltage controller electrically connects with the outfan of commutator.
Field the most according to claim 1 lithium battery charging device, it is characterised in that be additionally provided with in described power plant module
Internal combustion unit, described internal combustion unit includes that internal combustion engine and throttle motor, described throttle motor electrically connect with internal combustion engine, controls internal combustion
The running speed of machine, and internal combustion engine directly electrically connects with electromotor, drives generator rotation.
Field the most according to claim 2 lithium battery charging device, it is characterised in that be provided with on described constant-voltage controller
Voltage checking chip, master controller and motor control assembly, and described voltage checking chip electrically connects with master controller, and will detection
To commutator in the voltage swing of output pass to master controller, described master controller electrically connects with motor control assembly, root
The rotating speed of assembly is controlled according to the Control of Voltage motor detected；Described motor controls assembly and directly electrically connects with throttle motor, directly
Connect the throttle size controlling throttle motor.
Field the most according to claim 3 lithium battery charging device, it is characterised in that described master controller sets and keeps electricity
Pressure is 27V, and to control the rotating speed of motor control assembly, thus the throttle size controlling throttle motor makes, and generator voltage is constant is
27V, when whole constant-voltage controller cannot be when within 3 seconds, inland river electromotor be adjusted to 27V, and constant-voltage controller restarts.
Field the most according to claim 1 lithium battery charging device, it is characterised in that described charger is that lithium battery group is special
With balance charger, its output voltage is not more than 27V, described charger is provided with main power source output interface and balancing plug is defeated
Going out and regulate interface, described main power source output interface is large current charge interface, in balancing plug output interface regulation lithium battery group
The concordance of every battery core voltage.
6. a field lithium cell charging method, it is characterised in that including:
The electromotor of the constant-voltage controller control electricity generation module in power plant module exports the voltage of constant below 30V；
The outfan of the electromotor on electricity generation module is connected with the input of the commutator being all in electricity generation module, and electromotor
Output voltage is below 30V, commutator the alternating current sent by electromotor is converted into direct voltage output；
The outfan of commutator electrically connects with the charger on charging module, by filling of the lithium battery group of charger control equipment
Electricity.
Field the most according to claim 1 lithium cell charging method, it is characterised in that described constant-voltage controller controls internal combustion
Unit thus drive electrical power generators, described internal combustion unit includes internal combustion engine and throttle motor, and throttle motor directly controls internal combustion
The rotating speed of machine, electromotor exports different size alternating voltage by the size of the rotating speed of internal combustion engine.
Field the most according to claim 7 lithium cell charging method, it is characterised in that the voltage on described constant-voltage controller
The output voltage size of detection chip detection commutator, and in the commutator that will detect, the voltage swing of output passes to master control
Device processed, described master controller, according to the size of voltage, adjusts motor and controls the rotating speed of assembly；Described motor control assembly directly with
Throttle motor electrically connects, and directly controls the throttle size of throttle motor.
Field the most according to claim 8 lithium cell charging method, it is characterised in that described master controller arranges holding electricity
Pressure is 27V, to control the rotating speed of motor control assembly, when detecting that rectifier output voltage is more than 27V, then motor control group
Part rotates forward, reduce throttle motor throttle size make internal-combustion engine rotational speed be reduced to allow generator voltage until 27V, if little
When 27V, then motor control assembly rotates backward, motor throttle size of opening the throttle, and makes the faster rotational speed of internal combustion engine extremely can allow and sends out
Till motor can send 27V, if be equal to 27V, keep current throttle, circulate the most always, remain and can export 27V
Voltage, to charger, restarts to 27V, constant-voltage controller if cannot adjust electromotor in 3 seconds.
Field the most according to claim 6 lithium cell charging method, it is characterised in that described charger uses lithium battery
Group special balancing charger, output voltage is not more than 27V, and the main power source output interface of charger and balancing plug output regulate
Interface is all connected with lithium battery group, and its main power source output interface is large current charge interface, and balancing plug output interface act as
The concordance of every battery core voltage in regulation lithium battery group.
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| CN201610804287.2A CN106300587A (en) | 2016-09-06 | 2016-09-06 | A kind of field lithium battery charging device and method |
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| CN201610804287.2A CN106300587A (en) | 2016-09-06 | 2016-09-06 | A kind of field lithium battery charging device and method |
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| CN105864714A (en) * | 2016-04-06 | 2016-08-17 | 重庆和锐动力设备有限公司 | Direct-current low-voltage automatic relaying illuminating device for field construction |
| CN206077041U (en) * | 2016-09-06 | 2017-04-05 | 韩振铎 | A kind of field lithium battery charging device |
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| US20080157593A1 (en) * | 2006-12-29 | 2008-07-03 | Cummins Power Generation Ip, Inc. | Management of an electric power generation and storage system |
| CN201503543U (en) * | 2009-07-27 | 2010-06-09 | 福州恒拓工业自动化有限公司 | Generator set inverter power supply with intelligent control function |
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