CN107070354A - A kind of Multifunctional rechargeable electric machine controller - Google Patents
A kind of Multifunctional rechargeable electric machine controller Download PDFInfo
- Publication number
- CN107070354A CN107070354A CN201710426063.7A CN201710426063A CN107070354A CN 107070354 A CN107070354 A CN 107070354A CN 201710426063 A CN201710426063 A CN 201710426063A CN 107070354 A CN107070354 A CN 107070354A
- Authority
- CN
- China
- Prior art keywords
- machine controller
- multifunctional
- electric machine
- battery
- power
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005611 electricity Effects 0.000 claims abstract description 25
- 238000001914 filtration Methods 0.000 claims abstract description 24
- 238000005070 sampling Methods 0.000 claims abstract description 14
- 210000004027 cell Anatomy 0.000 abstract description 41
- 206010068052 Mosaicism Diseases 0.000 abstract description 4
- 210000003765 sex chromosome Anatomy 0.000 abstract description 4
- 230000007812 deficiency Effects 0.000 abstract description 2
- 238000007726 management method Methods 0.000 description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005276 aerator Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by 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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/342—The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of Multifunctional rechargeable electric machine controller, described electric machine controller includes three-phase drive device, single-chip microcomputer, first straightening and filtering unit, transformer, second straightening and filtering unit, charging inlet, DC DC modules, Multifunctional inverter, cell managing device and battery deposit electricity sampling apparatus, described electric machine controller is connected with 72V electrokinetic cells, motor, 220V external power supplys and 12V on-vehicle batteries, described Multifunctional inverter is provided with a power receiver end and 6 power output ends, described 72V electrokinetic cells are made up of 6 12V battery blocks, 6 power output ends and 6 12V battery blocks on described Multifunctional inverter are corresponded.Instant invention overcomes the deficiencies in the prior art, integrate electric machine controller, battery management system, charger and DC DC four combined into one apparatus, four combined into one apparatus can solve the matching sex chromosome mosaicism of autonomous system, reallocate resources, using common resource, most, maximum functions are realized by simplest hardware foundation.
Description
Technical field
The present invention relates to electric accessory motor technical field, a kind of Multifunctional rechargeable electric machine controller is particularly belonged to.
Background technology
The big Major Systems of electric car electrical system four are electric machine controller, battery management system (BMS), charger and DC-
DC。
Electric machine controller is the speed come direction of the controlled motor according to setting by the active of integrated circuit, angle,
Response time is operated.So that motor application scope is more extensive, delivery efficiency is higher, the advantages of noise is smaller.
Battery management system custom is referred to as battery nurse or battery house keeper, mainly aims at intelligent management and safeguards each
Individual battery unit, prevents battery from overcharge and overdischarge occur, extends the service life of battery, monitors the state of battery.
Charger is to use high frequency electric source technology, and charging technique is adjusted with advanced Intelligent Dynamic.Power frequency machine is with biography
The analog circuit principle of system is designed, machine internal power device（Such as transformer, inductance, capacitor）All than larger, one
As there is smaller noise when band carries larger operation, but type resistance performance in severe power grid environment condition is stronger, can
It is strong than High-frequency machine by property and stability.
DC-DC is a kind of dc voltage changer, and the electric energy of a magnitude of voltage is changed into another electricity in DC circuit
The device of the electric energy of pressure value, it uses microelectric technique, and small-sized surface mount integrated circuit and miniature electronic component are assembled
Integrally constitute.
At present on the market electric car four big systems be between the accessory of obstructed manufacturer production independence, part independent accessory
Can mutually it communicate.But it is due to that four big systems are obstructed manufacturer production, the system mutual cooperation meeting of different manufacturer's productions
Cause that matching is bad, communication modes need the shared, wasting of resources, while partial function is not enough or situations such as functional redundancy.
The content of the invention
It is an object of the invention to provide a kind of Multifunctional rechargeable electric machine controller, the deficiencies in the prior art are overcome,
Work this phenomenon when using electric vehicle motor controller and charger being different, while controller and charger have a large amount of phases
Same part（Single-chip microcomputer, three-phase drive）, electric vehicle motor controller and charger are united two into one using this basis, controlled simultaneously
The battery that DC-DC module, Multifunctional inverter, cell managing device and battery deposit electricity sampling apparatus composition is also integrated with device
Management system, DC-DC module enters electric end and 72V electrokinetic cells and the second straightening and filtering unit, in driving, passes through single-chip microcomputer
Control is charged using 72V electrokinetic cells to it, in charging, is charged by single-chip microcomputer control using aerator directly to it, electricity
Pond management system is in charging, it is possible to use charger charges to whole battery pack, can also be according to cell managing device control
To the single battery charging in battery pack, during walking, when some battery block feed is serious, battery power discharge utilizes multi-functional inverse
Become device and the 3rd straightening and filtering unit and charged to feeding serious battery block, it is kept with other battery block electricity extremely,
So as to ensureing battery pack physical life, while solving the matching sex chromosome mosaicism of autonomous system, reallocate resources, using common resource, by
Simplest hardware foundation realizes function at most, maximum；Rational in infrastructure, ingenious utilization different system works in different time,
So that same hardware realizes difference in functionality, charger and controller are radiated using same shell, saved aluminium, are reduced cost, section
About resource；Rationally utilize inner space, identical function volume ratio is now with small more of small product size.
To solve the above problems, the technical solution used in the present invention is as follows：
A kind of Multifunctional rechargeable electric machine controller, described electric machine controller includes three-phase drive device, single-chip microcomputer, first whole
Flow filter, transformer, the second straightening and filtering unit, charging inlet, DC-DC module, Multifunctional inverter, battery management dress
Put and deposit electricity sampling apparatus with battery, described electric machine controller be connected with 72V electrokinetic cells, motor, 220V external power supplys and
12V on-vehicle batteries, described Multifunctional inverter is provided with a power receiver end and 6 power output ends, and described 72V is moved
Power battery is made up of 6 12V battery blocks, 6 on described Multifunctional inverter power output end and 6 12V battery blocks one
The 3rd straightening and filtering unit is equipped with one correspondence and connecting wire, described Multifunctional inverter connects with cell managing device
Connect, be controlled by starting and close, described 72V electrokinetic cells respectively with three-phase drive device power receiver end, DC-DC module
Power receiver end and the connection of Multifunctional inverter power receiver end, transmit electric power to it, described three-phase drive device respectively with
Motor and transformer connection, motor rotation and transformer work, described single-chip microcomputer respectively with three-phase drive device, transformation
Device, DC-DC module, cell managing device and battery are deposited electricity sampling apparatus and are directly connected to, for three-phase drive device and electricity
Pond managing device transmission work order, the startup and closing of control transformer and DC-DC module, reception battery deposit electricity sampling cartridge
Put the battery information of collection, the first described straightening and filtering unit enters that electric end is connected with charging inlet, current output terminal and transformer enter
The connection of electric end, the second described straightening and filtering unit enter electric end be connected with transformer current output terminal, current output terminal respectively with 72V power electrics
Pond and the connection of Multifunctional inverter power receiver end, described DC-DC module power output end are connected with 12V on-vehicle batteries, led to
Single-chip microcomputer is crossed to control to fill the electric power on 72V electrokinetic cells to give 12V on-vehicle batteries.
Further, described also to include power line, described power line one end is provided with plug provided with plug one, the other end
Two.
Further, described plug one coordinates, for being transmitted electric power to it with charging inlet.
Further, described plug two is two core plug, and described two core plug is connected with the external electricity of 220V by socket
Source.
Further, described transformer is depressor containing bridging.
Further, on described Multifunctional inverter on 6 power output ends and 6 12V battery block connecting wires also
Provided with 6 independent motor switches, 6 described motor switches are connected with cell managing device respectively, be controlled by starting and
Close.
Further, described 72V electrokinetic cells are provided with motor switch with Multifunctional inverter power receiver end connecting line,
Described motor switch is connected with cell managing device, is controlled by starting and closes.
Further, the second described straightening and filtering unit current output terminal on the connecting line of Multifunctional inverter power receiver end with setting
There is motor switch, described motor switch is connected with cell managing device, is controlled by starting and closes.
Further, the second described straightening and filtering unit current output terminal is also directly connected to DC-DC module power receiver end,
When charger function works, while to 12V charging on-vehicle batteries, making electric car farthest store electric power.
Compared with prior art, implementation result of the invention is as follows by the present invention：
A kind of Multifunctional rechargeable electric machine controller of the present invention, collection electric machine controller, battery management system, charger and
The four combined into one apparatus that DC-DC is integrated, four combined into one apparatus can solve the matching sex chromosome mosaicism of autonomous system, reallocate resources, utilize
Common resource, most, maximum functions are realized by simplest hardware foundation；It is supporting corresponding according to the controller of different capacity
Charger, rational in infrastructure, ingenious utilization different system works in different time so that same hardware realizes difference in functionality, charging
Device and controller are radiated using same shell, are saved aluminium, are reduced cost, economize on resources.Rationally utilize inner space, identical work(
Can volume ratio now with small many of small product size.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is battery management system structural representation.
Embodiment
With reference to embodiment, the invention will be further described, but the present invention is not limited only to these examples, to be de-
On the premise of from present inventive concept, carried out by it is any improvement be within the scope of the present invention.
As illustrated, a kind of Multifunctional rechargeable electric machine controller of the present invention, described electric machine controller includes
Three-phase drive device 2, single-chip microcomputer 4, the first straightening and filtering unit 5, transformer 6, the second straightening and filtering unit 7, charging inlet 11
, DC-DC module 12, Multifunctional inverter 8, cell managing device 9 and battery deposit electricity sampling apparatus 91, described motor control
Device is connected with 72V electrokinetic cells 1, motor 3,220V external power supplys 10 and 12V on-vehicle batteries 13, described Multifunctional inverter
Provided with a power receiver end and 6 power output ends, described 72V electrokinetic cells 1 are made up of 6 12V battery blocks, described
6 power output ends on Multifunctional inverter 8 are corresponded with 6 12V battery blocks and to be equipped with the 3rd in connecting wire whole
Filter 81 is flowed, described Multifunctional inverter 8 is connected with cell managing device 9, is controlled by starting and closes, described
72V electrokinetic cells 1 respectively with the power receiver end of three-phase drive device 2, the power receiver end of DC-DC module 12 and Multifunctional inverter
8 power receiver ends connect, transmitted electric power to it, and described three-phase drive device 2 is connected with motor 3 and transformer 6, driven respectively
Motor 3 rotates and transformer 6 works, described single-chip microcomputer 4 respectively with three-phase drive device 2, transformer 6, DC-DC module 12,
Cell managing device 9 and battery are deposited electricity sampling apparatus 91 and are directly connected to, for three-phase drive device 2 and cell managing device
9 transmission work orders, the startup and closing of control transformer 6 and DC-DC module 12, reception battery are deposited electricity sampling apparatus 91 and adopted
The battery information of collection, the first described straightening and filtering unit 5 enters that electric end is connected with charging inlet, current output terminal and transformer 6 enter electricity
End connection, the second described straightening and filtering unit 7 enter electric end be connected with transformer current output terminal, current output terminal respectively with 72V power electrics
Pond and the connection of the power receiver end of Multifunctional inverter 8, the described power output end of DC-DC module 12 connect with 12V on-vehicle batteries 13
Connect, filled the electric power on 72V electrokinetic cells 1 to 12V on-vehicle batteries 13 by single-chip microcomputer control.
Further, described also to include power line 101, described power line one end is provided with provided with plug 1, the other end
Plug 2 103.
Further, described plug 1 coordinates with charging inlet 11, for being transmitted electric power to it.
Further, described plug two is two core plug, and described two core plug is connected with the external electricity of 220V by socket
Source.
Further, described transformer is depressor containing bridging.
Further, on described Multifunctional inverter on 6 power output ends and 6 12V battery block connecting wires also
Provided with 6 independent motor switches 82,6 described motor switches are connected with cell managing device 9, are controlled by starting respectively
And closing.
Further, described 72V electrokinetic cells are provided with motor switch with Multifunctional inverter power receiver end connecting line
82, described motor switch 82 is connected with cell managing device, is controlled by starting and closes.
Further, the second described straightening and filtering unit current output terminal on the connecting line of Multifunctional inverter power receiver end with setting
There is motor switch, described motor switch 82 is connected with cell managing device, is controlled by starting and closes.
Further, the described current output terminal of the second straightening and filtering unit 7 also directly connects with the power receiver end of DC-DC module 12
Connect, when charger function works, while to 12V charging on-vehicle batteries, making electric car farthest store electric power.
Cell managing device, including electrokinetic cell 1, single-chip microcomputer 4, Multifunctional inverter 8, cell managing device 9 and battery
Electricity sampling apparatus 91 is deposited, described electrokinetic cell 1 is made up of several 12V battery blocks, set on described Multifunctional inverter 8
There are a power receiver end and several power output ends, the described power receiver end of Multifunctional inverter 8 passes through motor switch
82 and wire be connected with the both positive and negative polarity of electrokinetic cell 1, for receiving the electric power on electrokinetic cell, several described electric power outputs
End is consistent with several 12V battery numbers of blocks and one-to-one corresponding, and described each power output end is by connecting wire and whole
Stream filter 81 is connected with corresponding 12V battery blocks both positive and negative polarity, for giving the charging of 12V battery blocks, and described each connection is led
Motor switch 82 is equipped with line, all motor switches 82 described above are connected with cell managing device 9, opened by control
And closing, described battery deposits the test side of electricity sampling apparatus 91 and is connected, with each 12V battery blocks for detecting inside it respectively
Charge condition, signal output part are connected by single-chip microcomputer 4 with cell managing device 9；Described several 12V battery blocks and some
Individual power output end is 6, and 6 described 12V battery blocks are serially connected, constituted 72V electrokinetic cell；Described is dynamic
The both positive and negative polarity of power battery is also directly connected to by wire with cell managing device, for supplying power for；Described multi-functional inversion
Include a main coil and several secondary coils inside device, described main coil is connected with power receiver end, described by-pass
Circle respectively with power output end.
Work this phenomenon when using electric vehicle motor controller and charger being different, while controller and charger are deposited
In a large amount of same parts（Single-chip microcomputer, three-phase drive）, electric vehicle motor controller and charger are united two into one using this basis,
DC-DC module, Multifunctional inverter, cell managing device and battery are also integrated with controller deposit electricity sampling apparatus group simultaneously
Into battery management system, DC-DC module enters electric end and 72V electrokinetic cells and the second straightening and filtering unit, in driving, leads to
Cross single-chip microcomputer control to charge to it using 72V electrokinetic cells, in charging, by single-chip microcomputer control using aerator directly to it
Charging, battery management system is in charging, it is possible to use charger charges to whole battery pack, can also be filled according to battery management
Put control to charge to the single battery in battery pack, during walking, when some battery block feed is serious, battery power discharge utilizes many
Function inverter and the 3rd straightening and filtering unit charge to feeding serious battery block, it is kept and other battery blocks electricity
Amount extremely, so as to ensure battery pack physical life, while solving the matching sex chromosome mosaicism of autonomous system, reallocates resources, utilizes common money
Source, most, maximum functions are realized by simplest hardware foundation；Rational in infrastructure, ingenious utilization different system works in difference
Time so that same hardware realizes difference in functionality, charger and controller are radiated using same shell, saved aluminium, are reduced into
Originally, economize on resources；Rationally utilize inner space, identical function volume ratio is now with small more of small product size.
Claims (9)
1. a kind of Multifunctional rechargeable electric machine controller, described electric machine controller includes three-phase drive device and single-chip microcomputer, institute
The electric machine controller stated is connected with 72V electrokinetic cells, motor, 220V external power supplys and 12V on-vehicle batteries, it is characterised in that：Also
Including the first straightening and filtering unit, transformer, the second straightening and filtering unit, charging inlet, DC-DC module, Multifunctional inverter,
Cell managing device and battery deposit electricity sampling apparatus, and described Multifunctional inverter is provided with a power receiver end and 6
Power output end, described 72V electrokinetic cells are made up of 6 12V battery blocks, 6 on described Multifunctional inverter electric power
Output end corresponds with 6 12V battery blocks and is equipped with the 3rd straightening and filtering unit in connecting wire, and described is multi-functional
Inverter is connected with cell managing device, is controlled by starting and closes, and described 72V electrokinetic cells are filled with three-phase drive respectively
Put power receiver end, DC-DC module power receiver end and the connection of Multifunctional inverter power receiver end, transmitted electric power to it, institute
The three-phase drive device stated is connected with motor and transformer respectively, motor rotation and transformer work, described single-chip microcomputer
Deposited respectively with three-phase drive device, transformer, DC-DC module, cell managing device and battery electricity sampling apparatus be directly connected to,
Startup and pass for sending work order, control transformer and DC-DC module to three-phase drive device and cell managing device
Close, receive the battery information that battery deposits the collection of electricity sampling apparatus, the first described straightening and filtering unit enters electric end and charging
Mouth connection, current output terminal and transformer enter electric end and connected, and the second described straightening and filtering unit enters electric end and connected with transformer current output terminal
Connect, current output terminal is connected with 72V electrokinetic cells and Multifunctional inverter power receiver end respectively, described DC-DC module electric power is defeated
Go out end to be connected with 12V on-vehicle batteries, fill the electric power on 72V electrokinetic cells by single-chip microcomputer control and give 12V on-vehicle batteries.
2. a kind of Multifunctional rechargeable electric machine controller according to claim 1, it is characterised in that：Described also includes electricity
Source line, described power line one end is provided with plug two provided with plug one, the other end.
3. a kind of Multifunctional rechargeable electric machine controller according to claim 2, it is characterised in that：Described plug one with
Charging inlet coordinates, for being transmitted electric power to it.
4. a kind of Multifunctional rechargeable electric machine controller according to claim 2, it is characterised in that：Described plug two is
Two core plug, described two core plug is connected with 220V external power supplys by socket.
5. a kind of Multifunctional rechargeable electric machine controller according to claim 1, it is characterised in that：Described transformer is
Depressor containing bridging.
6. a kind of Multifunctional rechargeable electric machine controller according to claim 1, it is characterised in that：Described is multi-functional inverse
Become in 6 power output ends on device and 6 12V battery block connecting wires and be additionally provided with 6 independent motor switches, described 6
Individual motor switch is connected with cell managing device, is controlled by starting and closes respectively.
7. a kind of Multifunctional rechargeable electric machine controller according to any one of claim 1 or 6, it is characterised in that：It is described
72V electrokinetic cells and Multifunctional inverter power receiver end connecting line be provided with motor switch, described motor switch and electricity
Pond managing device connects, is controlled by starting and closes.
8. a kind of Multifunctional rechargeable electric machine controller according to any one of claim 1 or 6, it is characterised in that：It is described
The second straightening and filtering unit current output terminal and Multifunctional inverter power receiver end connecting line be provided with motor switch, described electricity
Dynamic switch is connected with cell managing device, is controlled by starting and closes.
9. a kind of Multifunctional rechargeable electric machine controller according to claim 1, it is characterised in that：The second described rectification
Filter current output terminal is also directly connected to DC-DC module power receiver end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710426063.7A CN107070354A (en) | 2017-06-08 | 2017-06-08 | A kind of Multifunctional rechargeable electric machine controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710426063.7A CN107070354A (en) | 2017-06-08 | 2017-06-08 | A kind of Multifunctional rechargeable electric machine controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107070354A true CN107070354A (en) | 2017-08-18 |
Family
ID=59616659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710426063.7A Pending CN107070354A (en) | 2017-06-08 | 2017-06-08 | A kind of Multifunctional rechargeable electric machine controller |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111727558A (en) * | 2018-02-20 | 2020-09-29 | 三菱电机株式会社 | Motor drive system |
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| CN103178590A (en) * | 2011-12-26 | 2013-06-26 | 上海大郡动力控制技术有限公司 | Plug-in type battery charging device used for electrically driven vehicle and using method thereof |
| CN203504246U (en) * | 2013-10-18 | 2014-03-26 | 东风汽车有限公司 | Non-vehicle-mounted charging system for quickly changing electric vehicle battery |
| CN104380561A (en) * | 2012-05-15 | 2015-02-25 | 雷诺有限公司 | Charge balancing in a battery |
| CN104698895A (en) * | 2015-03-18 | 2015-06-10 | 西平立至电控科技有限公司 | Compatible integrated circuit control method and control device for electric vehicle controller |
| CN206922680U (en) * | 2017-06-08 | 2018-01-23 | 合肥凯利科技投资有限公司 | A kind of Multifunctional rechargeable electric machine controller |
-
2017
- 2017-06-08 CN CN201710426063.7A patent/CN107070354A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5254929A (en) * | 1991-04-09 | 1993-10-19 | Yang Tai Her | Intermediate storage battery charging system |
| CN201772346U (en) * | 2010-09-19 | 2011-03-23 | 肖显全 | Non-electromagnetic radiation table lamp and adapter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111727558A (en) * | 2018-02-20 | 2020-09-29 | 三菱电机株式会社 | Motor drive system |
| CN111727558B (en) * | 2018-02-20 | 2021-11-12 | 三菱电机株式会社 | Motor drive system |
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Application publication date: 20170818 |