CN206877422U - Charging device of electric automobile and charging management system - Google Patents
Charging device of electric automobile and charging management system Download PDFInfo
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- CN206877422U CN206877422U CN201720730053.8U CN201720730053U CN206877422U CN 206877422 U CN206877422 U CN 206877422U CN 201720730053 U CN201720730053 U CN 201720730053U CN 206877422 U CN206877422 U CN 206877422U
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- charging
- electric automobile
- charging pile
- electromagnetic lock
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- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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Abstract
The utility model provides charging device of electric automobile and charging management system, charging device of electric automobile includes charging pile and the pedestal for placing charging pile, the edge of pedestal is connected with the movable metallic base for transporting charging wire by electromagnetic lock matching, one end connection charging pile of charging wire, the other end connects charging gun, charging pile includes housing and is arranged on the master control borad of enclosure interior, master control borad includes the MCU processors being connected with each other and card reader, electromagnetic lock are connected with master control borad；Card reader is used to read electric card information；MCU processors are used for according to electric card acquisition of information charge information, and control electromagnetic lock to be switched on or switched off according to charge information.The utility model by master control borad control electromagnetic lock break-make, so as to come use movable metallic base consign charging wire, can for user charging facility be provided.
Description
Technical field
It the utility model is related to electric vehicle engineering field, especially charging device of electric automobile and Charge Management system
System.
Background technology
With the popularization of New-energy electric vehicle, the demand of charging pile is also increasing, however as the guarantor of charging pile
The amount of having is increasing, and high-speed service area, parking lot, residential area, market etc. can all build stake, so the ease of use of charging pile
Also it is more and more important.Existing charging pile has that charging wire is heavy, is not easy to the situation of charging, so as to be made to user's charging process
Into trouble.
Utility model content
In view of this, the purpose of this utility model is to provide charging device of electric automobile and charging management system, leads to
The break-make of control electromagnetic lock is crossed, to use movable metallic base to transport charging wire, can be charged for user and facility is provided.
In a first aspect, the utility model embodiment provides charging device of electric automobile, including：Charging pile and for putting
The pedestal of the charging pile is put, the edge of the pedestal is connected with the movable metallic for transporting charging wire by electromagnetic lock matching
Base, one end of the charging wire connect the charging pile, other end connection charging gun, and the charging pile includes housing and set
The master control borad in the enclosure interior is put, the master control borad includes MCU processors and the card reader being connected with each other, the electromagnetism
Lock is connected with the master control borad；
The card reader, for reading electric card information；
The MCU processors, for being controlled according to the electric card acquisition of information charge information, and according to the charge information
The electromagnetic lock is switched on or switched off.
With reference in a first aspect, the utility model embodiment provides the first possible embodiment of first aspect, its
In, the charge information includes charging beginning and charging complete, and the MCU processors are used to control the electricity when charging and starting
Magnetic padlock disconnects, and controls the electromagnetic lock to connect in charging complete.
With reference in a first aspect, the utility model embodiment provides second of possible embodiment of first aspect, its
In, the susceptor edges are provided with the installation position to match with the movable metallic base, are provided with the installation position described
Electromagnetic lock.
With reference in a first aspect, the utility model embodiment provides the third possible embodiment of first aspect, its
In, the movable metallic base lower surface is provided with pulley.
The utility model embodiment provides charging device of electric automobile, including charging pile and for placing charging pile
Pedestal, the edge of pedestal match the movable metallic base being connected with for transporting charging wire, one end of charging wire by electromagnetic lock
Charging pile, other end connection charging gun are connected, charging pile includes housing and is arranged on the master control borad of enclosure interior, master control borad bag
The MCU processors and card reader, electromagnetic lock for including interconnection are connected with master control borad；Card reader is used to read electric card information；
MCU processors are used for according to electric card acquisition of information charge information, and control electromagnetic lock to be switched on or switched off according to charge information.Pass through
Master control borad controls the break-make of electromagnetic lock, so as to using movable metallic base delivery charging wire, charge and provide for user
It is convenient.
Second aspect, the utility model embodiment also provide charging management system for electric automobile, including described in first aspect
Charging device of electric automobile, in addition to monitoring host computer, the charging pile of the charging device of electric automobile include charging terminal；
The monitoring host computer is connected with multiple charging terminals, for being supervised to charging pile work state information
Control.
With reference to second aspect, the utility model embodiment provides the first possible embodiment of second aspect, its
In, in addition to remote administration terminal, the remote administration terminal be connected with the monitoring host computer, for the monitoring host computer
The charging pile work state information sent carries out remote monitoring.
With reference to the first possible embodiment of second aspect, the utility model embodiment provides the of second aspect
Two kinds of possible embodiments, wherein, in addition to warning device, the warning device be connected with the remote administration terminal,
For being alarmed when the charging pile breaks down.
With reference to the first possible embodiment of second aspect, the utility model embodiment provides the of second aspect
Three kinds of possible embodiments, wherein, the charging pile work state information includes the charging interval, and the remote administration terminal is also
For carrying out charging according to the charging interval, electricity charge information is obtained, and taken off according to the electricity charge information more than the electric card of user
Volume.
With reference to the third possible embodiment of second aspect, the utility model embodiment provides the of second aspect
Four kinds of possible embodiments, wherein, in addition to the user terminal being connected with the remote administration terminal, the remote management
Terminal is additionally operable to the electric card remaining sum being sent to the user terminal.
With reference to second aspect, the utility model embodiment provides the 5th kind of possible embodiment of second aspect, its
In, the charging pile work state information include charging pile on-off state, charged state, charging current, charging voltage and
Charge mode.
The utility model embodiment provides charging management system for electric automobile, including above-mentioned charging device of electric automobile,
The break-make of electromagnetic lock is controlled by master control borad, so as to be that user charges using movable metallic base delivery charging wire
Facility is provided.Also include monitoring host computer, the charging pile of charging device of electric automobile includes charging terminal；Monitoring host computer fills with multiple
Electric terminals are connected, for being monitored to charging pile work state information.So as to be provided safeguard for the normal operation of charging pile.
Other feature and advantage of the present utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood by implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is realized and obtained in book, claims and accompanying drawing.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Accompanying drawing appended by cooperation, is described in detail below.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the inside connection diagram for the charging device of electric automobile that the utility model embodiment one provides；
Fig. 2 is the structural representation for the charging device of electric automobile that the utility model embodiment one provides；
Fig. 3 is the schematic diagram for the charging management system for electric automobile that the utility model embodiment two provides；
Fig. 4 is another schematic diagram of charging management system for electric automobile that the utility model embodiment two provides.
Icon：
10- master control borads；11-MCU processors；12- card reader；20- electromagnetic locks；1- charging piles；2- pedestals；3- movable metallics
Base；4- charging wires；5- charging guns；6- electric card induction zones；7- human-computer interaction interfaces；8- cameras；9- pulleys；100- chargings are eventually
End；200- monitoring host computers；300- remote administration terminals；400- warning devices；500- user terminals.
Embodiment
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with accompanying drawing to this
The technical scheme of utility model is clearly and completely described, it is clear that described embodiment is that the utility model part is real
Apply example, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, belong to the scope of the utility model protection.
Now with the popularization of New-energy electric vehicle, the demand of charging pile is also increasing, however as charging pile
Recoverable amount it is increasing, high-speed service area, parking lot, residential area, market etc. can all build stake, so the use of charging pile is just
Profit is also more and more important.Existing charging pile has that charging wire is heavy, is not easy to the situation of charging, so as to be charged to user
Cheng Zaocheng is bothered.
Based on this, the charging device of electric automobile and system that the utility model embodiment provides, controlled by master control borad
The break-make of electromagnetic lock, so as to using movable metallic base delivery charging wire, be charged for user and provide facility.
For ease of understanding the present embodiment, the charging electric vehicle disclosed in the utility model embodiment is filled first
Put and describe in detail.
Embodiment one：
Referring to Figures 1 and 2, charging device of electric automobile, including：Charging pile 1 and the pedestal 2 for placing charging pile 1,
The edge of pedestal 2 matches the movable metallic base 3 being connected with for consigning charging wire 4, one end of charging wire 4 by electromagnetic lock 20
Charging pile 1 is connected, other end connection charging gun 5, charging pile 1 includes housing and is arranged on the master control borad 10 of enclosure interior, main
Control plate 10 includes the MCU processors 11 being connected with each other and card reader 12, electromagnetic lock 20 are connected with master control borad 10；
Here, MCU processors 11 include but is not limited to, specially single-chip microcomputer.
Card reader 12, for reading electric card information；MCU processors 11, for according to electric card acquisition of information charge information, and
Electromagnetic lock 20 is controlled to be switched on or switched off according to charge information.
Here, when nobody is charged using charging pile 1, master control borad 10 controls electromagnetic lock 20 to connect, so as to which metal be lived
Dynamic base 3 is locked in the edge of pedestal 2, and when someone will be charged using charging pile 1, master control borad 10 controls electromagnetic lock 20 disconnected
Open, so as to which movable metallic base 3 is departed from into the edge of pedestal 2, to consign charging wire 4 using movable metallic base 3, so as to be to use
Family charge-carrying belt carrys out convenience.Specifically, can be at movable metallic bottom in order that charging wire 4 can not depart from movable metallic base 3
Stopping means is set to limit charging wire 4 on seat 3.
According to exemplary embodiment of the present utility model, charge information includes charging beginning and charging complete, MCU processors
11 are used to control electromagnetic lock 20 to disconnect when charging and starting, and control electromagnetic lock 20 to connect in charging complete.
Specifically, user swipes the card on charging pile 1, and card reader 12 receives electric card information, and MCU processors 11 are according to electric card
Acquisition of information to charging start information, so as to control electromagnetic lock 20 to disconnect, make movable metallic base 3 depart from pedestal 2 installation position,
User proceeds by charging operations, and this process hauls charging wire 4 by movable metallic base 3, is not required to artificial laborious dragging；When filling
When electricity is completed, user swipes the card again, and card reader 12 receives electric card information again, and MCU processors 11 are according to electric card acquisition of information
To charge completion information, so as to control electromagnetic lock 20 to connect, by movable metallic base 3 again adhesive into installation position.Therefore, give
User's charge-carrying belt carrys out convenience.
Further, surface of shell is provided with electric card induction zone 6, for induced electricity card information.
Specifically, electric card is placed electric card induction zone 6 by user before being charged, so that card reader 12 is believed electric card
Breath is read out, and to verify charge information in user identity and reading electric card etc., such as balance amount information, is verified, can
To be started to charge up using the charging gun 5 on charging pile 1, when charging is complete, electric card is placed electric card induction zone 6 by user again,
So as to complete charge.
According to exemplary embodiment of the present utility model, the edge of pedestal 2 is provided with the peace to match with movable metallic base 3
Position is filled, electromagnetic lock 20 is provided with installation position.Preferably, pedestal 2 is kept to be flushed with the edge of movable metallic base 3, so, can
Touched with preventing movable metallic base 3 because of protrusion, so as to cause to damage.
According to exemplary embodiment of the present utility model, the lower surface of movable metallic base 3 is provided with pulley 9.Preferably, adopt
With universal wheel, and the quantity of universal wheel is 4, is separately positioned on the edge of the lower surface of movable metallic base 3, so, can be with
Mobile base is preferably set to enter line slip, it is more laborsaving.Here the quantity to pulley 9 and installation site are not limited, can root
It is configured according to concrete condition.
Further, the upper surface of housing is provided with camera 8, and the lower end of camera 8 is provided with human-computer interaction interface 7.
The charging process of user can be imaged by camera 8, so as to which when contingency occurs, live feelings can be inquired about
Condition, help is provided to solve accident.User can carry out various operations by human-computer interaction interface 7, so as to check charge information
Deng.
Further, master control borad 10 also includes the voice prompting device being connected with MCU processors 11.Here, voice is passed through
Prompting device carries out various voice messages to user, including charging starts prompting, charging complete prompting etc..
The utility model embodiment provides charging device of electric automobile, including charging pile and for placing charging pile
Pedestal, the edge of pedestal match the movable metallic base being connected with for consigning charging wire, movable metallic base by electromagnetic lock
Lower surface is provided with pulley, and charging pile includes housing and is arranged on the master control borad of enclosure interior, and master control borad includes being connected with each other
MCU processors and card reader, electromagnetic lock be connected with master control borad；Card reader is used to read electric card information；MCU processors are used
It is switched on or switched off according to electric card acquisition of information charge information, and according to charge information control electromagnetic lock.Controlled by master control borad
The break-make of electromagnetic lock, so as to using movable metallic base delivery charging wire, be charged for user and provide facility.
Embodiment two：
Fig. 3 is the schematic diagram for the charging management system for electric automobile that the utility model embodiment two provides.
The charging device of electric automobile 100 of reference picture 3, charging management system for electric automobile, including embodiment one, in addition to
Monitoring host computer 200, the charging pile 1 of charging device of electric automobile include charging terminal 100；
Monitoring host computer 200 is connected with multiple charging terminals 100, for being monitored to charging pile work state information.
Specifically, monitoring host computer 200 can be computer, can connect multiple charging terminals 100 by Ethernet here, so as to
The work state information of multiple charging piles 1 is monitored, strengthens the management to charging pile 1.Monitoring host computer 200 passes through charging pile
1 communications protocol and intelligent communication interface, is monitored to the running status of charging pile 1, once there is component malfunction, can be certainly
Dynamic alarm.
Further, as shown in figure 4, also including remote administration terminal 300, remote administration terminal 300 and monitoring host computer 200
It is connected, the charging pile work state information for being sent to monitoring host computer 200 carries out remote monitoring.
Specifically, charging pile work state information includes charging pile on-off state, charged state, charging current, charging
Voltage and charge mode.Charged state includes in charging, disabled, by monitor in real time the electric current of charging pile 1, voltage,
The parameters such as charge mode, the situation of comprehensive diagnostic charging pile 1, when out-of-limit parameter, explanation breaks down, and will be entered by warning device
Row alarm, enables the rapid handling failure of administrative staff.
Further, in addition to warning device 400, warning device 400 are connected with remote administration terminal 300, for
Charging pile 1 is alarmed when breaking down.So that administrative staff can rapid handling failure.Specifically, multimedia can be passed through
Voice broadcast service is alarmed and local audible-visual annunciator carries out local alarm, while can also be remote by SMS, E-mail modes
Cheng Tongzhi operation maintenance personnels, with the reliability service for allowing operation maintenance personnel to take corresponding measure to ensure each charging station equipment in time.
Further, charging pile work state information includes the charging interval, and remote administration terminal 300 is additionally operable to according to charging
Time carries out charging, obtains electricity charge information, and the electric card remaining sum of user is taken off according to electricity charge information.
Further, in addition to remote administration terminal 300 user terminal 500 being connected, remote administration terminal 300 is also
For electric card remaining sum to be sent into user terminal 500.So that user understands electric card remaining sum in time, so as to when Sorry, your ticket has not enough value and
When charge expense.
The charging management system for electric automobile that the utility model embodiment provides, the electric automobile provided with above-described embodiment
Charging device has identical technical characteristic, so can also solve identical technical problem, reaches identical technique effect.
The utility model embodiment provides charging management system for electric automobile, including above-mentioned charging device of electric automobile,
The break-make of electromagnetic lock is controlled by master control borad, so as to be that user charges using movable metallic base delivery charging wire
Facility is provided.Also include monitoring host computer, the charging pile of charging device of electric automobile includes charging terminal；Monitoring host computer fills with multiple
Electric terminals are connected, for being monitored to charging pile work state information.So as to be provided safeguard for the normal operation of charging pile.
In addition, in the description of the utility model embodiment, unless otherwise clearly defined and limited, term " installation ",
" connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can
To be the connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the utility model.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
The computer program product that the utility model embodiment is provided, including store executable non-volatile of processor
Program code computer-readable recording medium, the instruction that described program code includes can be used for perform previous methods embodiment
Described in method, specific implementation can be found in embodiment of the method, will not be repeated here.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, can be with
Realize by another way.Device embodiment described above is only schematical, for example, the division of the unit,
Only a kind of division of logic function, can there is other dividing mode when actually realizing, in another example, multiple units or component can
To combine or be desirably integrated into another system, or some features can be ignored, or not perform.It is another, it is shown or beg for
The mutual coupling of opinion or direct-coupling or communication connection can be by some communication interfaces, device or unit it is indirect
Coupling or communication connection, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the utility model can be integrated in a processing unit,
Can be that unit is individually physically present, can also two or more units it is integrated in a unit.
If the function is realized in the form of SFU software functional unit and is used as independent production marketing or in use, can be with
It is stored in the executable non-volatile computer read/write memory medium of a processor.Based on such understanding, this practicality
The part or the part of the technical scheme that new technical scheme substantially contributes to prior art in other words can be with
The form of software product is embodied, and the computer software product is stored in a storage medium, including some instructions to
So that computer equipment (can be personal computer, server, or network equipment an etc.) execution the utility model is each
The all or part of step of embodiment methods described.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage
(ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD
Etc. it is various can be with the medium of store program codes.
Finally it should be noted that：Embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical scheme of utility model, rather than its limitations, the scope of protection of the utility model is not limited thereto, although with reference to foregoing
The utility model is described in detail embodiment, it will be understood by those within the art that：It is any to be familiar with this skill
For the technical staff in art field in the technical scope that the utility model discloses, it still can be to the skill described in previous embodiment
Art scheme is modified or can readily occurred in change, or carries out equivalent substitution to which part technical characteristic；And these modifications,
Change is replaced, and the essence of appropriate technical solution is departed from the spirit and model of the utility model embodiment technical scheme
Enclose, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model described should be wanted with right
The protection domain asked is defined.
Claims (10)
- A kind of 1. charging device of electric automobile, it is characterised in that including：Charging pile and the base for placing the charging pile Seat, the edge of the pedestal match the movable metallic base being connected with for transporting charging wire, the charging wire by electromagnetic lock One end connect the charging pile, other end connection charging gun, the charging pile includes housing and is arranged in the housing The master control borad in portion, the master control borad include MCU processors and the card reader being connected with each other, the electromagnetic lock and the master control borad It is connected；The card reader, for reading electric card information；The MCU processors, for according to the electric card acquisition of information charge information, and according to charge information control Electromagnetic lock is switched on or switched off.
- 2. charging device of electric automobile according to claim 1, it is characterised in that the charge information starts including charging And charging complete, the MCU processors are used to control the electromagnetic lock to disconnect when charging and starting, and in charging complete time control The electromagnetic lock is made to connect.
- 3. charging device of electric automobile according to claim 1, it is characterised in that the susceptor edges be provided with it is described The installation position that movable metallic base matches, the electromagnetic lock is provided with the installation position.
- 4. charging device of electric automobile according to claim 1, it is characterised in that the movable metallic base lower surface is set It is equipped with pulley.
- 5. a kind of charging management system for electric automobile, it is characterised in that including the electronic vapour described in any one of Claims 1-4 Car charging device, in addition to monitoring host computer, the charging pile of the charging device of electric automobile include charging terminal；The monitoring host computer is connected with multiple charging terminals, for being monitored to charging pile work state information.
- 6. charging management system for electric automobile according to claim 5, it is characterised in that also including remote administration terminal, The remote administration terminal is connected with the monitoring host computer, for the charging pile work shape sent to the monitoring host computer State information carries out remote monitoring.
- 7. charging management system for electric automobile according to claim 6, it is characterised in that described also including warning device Warning device is connected with the remote administration terminal, for being alarmed when the charging pile breaks down.
- 8. charging management system for electric automobile according to claim 6, it is characterised in that the charging pile working condition letter Breath includes the charging interval, and the remote administration terminal is additionally operable to carry out charging according to the charging interval, obtains electricity charge information, and The electric card remaining sum of user is taken off according to the electricity charge information.
- 9. charging management system for electric automobile according to claim 8, it is characterised in that also include and the remote management The user terminal that terminal is connected, the remote administration terminal are additionally operable to the electric card remaining sum being sent to the user terminal.
- 10. charging management system for electric automobile according to claim 5, it is characterised in that the charging pile working condition Information includes charging pile on-off state, charged state, charging current, charging voltage and charge mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720730053.8U CN206877422U (en) | 2017-06-21 | 2017-06-21 | Charging device of electric automobile and charging management system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720730053.8U CN206877422U (en) | 2017-06-21 | 2017-06-21 | Charging device of electric automobile and charging management system |
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| Publication Number | Publication Date |
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| CN206877422U true CN206877422U (en) | 2018-01-12 |
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| CN201720730053.8U Active CN206877422U (en) | 2017-06-21 | 2017-06-21 | Charging device of electric automobile and charging management system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107103698A (en) * | 2017-06-21 | 2017-08-29 | 山东博恒新能源有限公司 | Charging device of electric automobile and charging management system |
-
2017
- 2017-06-21 CN CN201720730053.8U patent/CN206877422U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107103698A (en) * | 2017-06-21 | 2017-08-29 | 山东博恒新能源有限公司 | Charging device of electric automobile and charging management system |
| CN107103698B (en) * | 2017-06-21 | 2023-10-27 | 山东博恒新能源有限公司 | Electric automobile charging device and charging management system |
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