CN108045255A - For the grafting charging unit of electric car - Google Patents

For the grafting charging unit of electric car Download PDF

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Publication number
CN108045255A
CN108045255A CN201711403512.2A CN201711403512A CN108045255A CN 108045255 A CN108045255 A CN 108045255A CN 201711403512 A CN201711403512 A CN 201711403512A CN 108045255 A CN108045255 A CN 108045255A
Authority
CN
China
Prior art keywords
charging
positioning ring
face
metallic pin
central axis
Prior art date
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
Application number
CN201711403512.2A
Other languages
Chinese (zh)
Inventor
关天宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mercedes Benz Group AG
Original Assignee
DaimlerChrysler AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by DaimlerChrysler AG filed Critical DaimlerChrysler AG
Priority to CN201711403512.2A priority Critical patent/CN108045255A/en
Publication of CN108045255A publication Critical patent/CN108045255A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
    • 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
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • 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
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • 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
    • Y02T90/14—Plug-in electric vehicles

Abstract

The present invention provides a kind of grafting charging unit, including matched charging plug and charging socket, charging plug includes the first positioning ring, the second positioning ring and spring, when charging plug is to the region in addition to location hole of the 5th end face of the end for the metallic pin that charging socket moves and is arranged in the second end face of the first positioning ring contact charging socket, the first positioning ring overcomes the effect of spring force to be separated with the second positioning ring；After the second positioning ring is bonded with charging socket, charging plug can be rotated around central axis compared with charging socket, until metallic pin aligns with location hole and and then under spring force into location hole.The present invention also provides a kind of charging systems for electric car.

Description

For the grafting charging unit of electric car
Technical field
The present invention relates to a kind of grafting charging unit and a kind of filling for electric car including the grafting charging unit Electric system.
Background technology
With the development of science and technology, the electric vehicle of environmental protection and energy saving is high by its environmental-friendly, low noise, efficiency of energy utilization Etc. advantages, receive social more and more concern.However still suffer from some problems among the process of its popularization.Wherein, fill Electric problem is especially prominent, and has become a great problem of electric vehicle popularization, anxious to be resolved.
At present, generally charged in the prior art using fixed charging pile by cable to electric car, charging pile The charging plug of cable is needed by electric car user into and out the charging interface of electric car so as to be filled to electric car Electricity.In order to fixed charging pile be used to charge electric car, it is necessary to which electric car is parked in correct position and direction, general Charging plug is correctly inserted into charge, this so that charging process is time-consuming and laborious.
The technology of the charging robot occurred in recent years so that electric car need not be being parked to some fixed charging Position, as long as driving into a certain region, charging robot can be detected voluntarily and be moved to the position of electric car, start to replace Manual operation performs charging operations.But common problem is that charging robot is inserted in the charging for being held it at present During head is inserted into the charging socket of electric car, it is likely that because angle is incorrect or can not be real the problem of depth is inadequate Now electrical connection therebetween, and then prolonged repeatedly trial is needed even to still need manual operation.
Therefore, it is necessary to a kind of improved grafting charging units, in particular for the grafting charging unit of electric car, make charging Robot control charging plug be allowed to rotate compared with charging socket, when charging plug turns to correct angle, robot with Vehicle gets current charging plug and the manned signal of charging socket, and performs grafting and charging operations based on this.
The content of the invention
The present invention proposes a kind of grafting charging unit, and including matched charging plug and charging socket, described charge is inserted Head includes：The first circular positioning ring, with central axis and the first end face substantially vertical with the central axis And second end face, wherein, the second end face is provided at least one metallic pin, the metallic pin is along the central axis Direction extension；The second circular positioning ring is coaxially disposed with first positioning ring, and with it is described in Mandrel line substantially vertical the 3rd end face and the 4th end face, wherein, which is provided with passes through for the metallic pin At least one sleeve joint hole worn, and the first positioning ring can be along the direction of central axis close to or away from the second positioning sleeve Ring；And spring, the first end face can be acted on and first positioning ring is pressed into second positioning ring, made ：The second end face of first positioning ring is bonded with the 3rd end face of the second positioning ring, and the metallic pin passes through The sleeve joint hole simultaneously protrudes from the 4th end face, and the charging socket has the 5th end face, wherein, the 5th end face can paste The 4th end face is closed, and is provided on the 5th end face to receive the location hole of the metallic pin, wherein, work as charging When plug is moved to charging socket and the end of metallic pin contacts the region in addition to location hole of the 5th end face, the first positioning Lantern ring can overcome the effect of spring force to be separated with the second positioning ring；And wherein, after the 4th end face is bonded with the 5th end face, Charging plug can be rotated around the central axis compared with the charging socket, until the metallic pin and the location hole It aligns and and then under spring force into the location hole.
By designing above, enable to charging plug and charging socket can be by relatively rotating and rapidly and easily Realization is mutually aligned, so as to carry out the conveying of charging current after being aligned.
Preferably, on first positioning ring set there are one or three metallic pins, in second positioning sleeve On ring correspondingly set there are one or three sleeve joint holes, and on the charging socket correspondingly set there are one or three A location hole.Alternatively, set on first positioning ring there are two metallic pin, it is corresponding on second positioning ring Ground is set there are two sleeve joint hole, and correspondingly there are two location holes for setting on the charging socket.
In the case where setting two metallic pins, two metallic pins can have different diameters, and two sleeve joint holes Correspondingly there is different diameters, two location holes correspondingly have different diameters.Alternatively, two gold can also be arranged such Belonging to pin, i.e., two metallic pins are different from the distance of axis, and correspondingly, distance of described two sleeve joint holes away from axis is different, Distance of described two location holes away from axis is also different.
In addition, the present invention also provides a kind of charging plug assembly, including matched charging plug and charging socket, In, the charging plug has circular positioning ring, which has the end face substantially vertical with central axis, should First positioning ring is provided at least one metallic pin, and the metallic pin can protrude from the end under spring force Face, and the spring force can be overcome to retract under external force so that with the end face, the charging socket has Towards the opposing end surface of positioning ring, which can be bonded the end face of positioning ring, and in charging socket It is provided with to receive the location hole of the metallic pin on the opposing end surface, when charging plug moves and gold to charging socket When belonging to the region in addition to location hole of the end contact opposing end surface of pin, the metallic pin overcomes spring force to retract；And And after the end face of positioning ring is bonded with the opposing end surface of charging socket, charging plug can surround the center Axis is rotated compared with charging socket, until the metallic pin align with the location hole simultaneously so that under spring force into Enter the location hole.
In addition, the present invention also provides a kind of charging system for electric car, including charging pile and according to foregoing right Grafting charging unit any one of it is required that, wherein, the charging plug of grafting charging unit can be with charging pile and electronic One of vehicle is connected, and the charging socket of grafting charging unit can be connected with the other of charging pile and electric car, The first circuit is provided in the charging plug, second circuit is provided in the charging socket, is determined when metallic pin enters Behind the hole of position, first circuit is connected with the second circuit so that the Vehicle Controller of electric car sends control signal to permit Perhaps charge to the electric car.
Description of the drawings
Below with reference to the accompanying drawings according to a preferred embodiment, the present invention will be described in detail.However following principle is applicable： The embodiment of the present invention is not limiting, but only shows an advantageous embodiment.Shown feature can be single Solely or with the other feature of specification and claim combinations implement.Wherein：
Fig. 1 shows the grafting charging unit of a specific embodiment according to the present invention；And
Fig. 2A to 2D shows the charging plug of grafting charging unit shown in FIG. 1 and the grafting process of charging socket.
Specific embodiment
The description grafting charging unit for electric car according to embodiments of the present invention with reference to the accompanying drawings.It is retouched in following In stating, numerous specific details are set forth to make person of ordinary skill in the field that the present invention be appreciated more fully.It is but right In the technical staff in technical field it is evident that the present invention's realizes some that can not have in these details. However, it should be understood that the specific embodiment that the present invention is not limited to be introduced.On the contrary, it may be considered that with following feature Implement the present invention with any combination of element, regardless of whether they are related to different embodiments.Therefore, following methods, Feature, embodiment and advantage are used and are not construed as element or the restriction of claim for illustrative purposes only, unless will in right It is clearly proposed in asking.
Fig. 1 shows the grafting charging unit of a specific embodiment according to the present invention.The grafting charging unit is overall On represented with 10, including charging plug 10a and charging socket 10b, wherein charging plug 10a includes to fit together The first positioning ring 1 and the second positioning ring 2.
First positioning ring 1 and the second positioning ring 2 are annular shape, have shared central axis X, in the two sets Ring is internally provided with the cable for being used for transmission charging current.
First positioning ring 1 has the first end face 11 and second end face 12 substantially vertical with central axis X, wherein second End face 12 is towards the second positioning ring 2.At least the first metallic pin 13 and the second metallic pin 14 are provided in the second end face 12, Direction extension of the two metallic pins from second end face 12 along central axis X.
Second positioning ring 2 can have identical internal diameter and outer diameter with the first positioning ring 1, and set coaxially therewith It puts.Second positioning ring 2 has the 3rd end face 21 and the opposite with the 3rd end face 21 the 4th towards the first positioning ring End face 22.At least the first sleeve joint hole 23 and the second sleeve joint hole 24 of perforation are provided on second positioning ring 2, is respectively used to First metallic pin 13 and the second metallic pin 14 extend there through.
First positioning ring 1 is configured to floating type compared with the second positioning ring 2.Specifically, in the first positioning The one side of the first end face 11 of lantern ring 1 is provided with spring (not shown), which compresses first end face 11 and by the first positioning sleeve Ring 1 is biased towards the second positioning ring 2, and when the opposite force that the first positioning ring 1 is subject to is enough to overcome spring pressure F, the One positioning ring 1 is moved along away from the direction of the second positioning ring 2.
In the present embodiment, the first metallic pin 13 and the second metallic pin 14 are all higher than along the longitudinal length of central axis Second positioning ring 2 is long along the thickness of central axial direction namely more than the longitudinal direction of the first sleeve joint hole 23 and the second sleeve joint hole 24 Degree.Therefore when the second end face 12 of the first positioning ring 1 is bonded with the 3rd end face 21 of the second positioning ring 2, metallic pin 13, 14 pass through the sleeve joint hole 23,24 and protrude from the 4th end face 22.
The diameter of charging socket 10b is preferably identical with the outer diameter of the first positioning ring 1, has towards the 4th end face 22 5th end face 31.On the 5th end face 31 at least provided with for receive the first metallic pin 13 the first location hole 33 and For receiving the second location hole 34 of the second metallic pin 14.In the central area of the 5th end face 31, be provided with for charging Multiple spliced eyes 35 that cable is connected.
The insertion engaging process of charging plug 10a and charging socket 10b are introduced referring to Fig. 2A to 2D.
As shown in Figure 2 A, when charging plug 10a is in non-inserting state, the first positioning ring 1 is in the work of spring pressure F It is sticked on its lower second end face 12 on the 3rd end face 21 of the second positioning ring 2, and the first metallic pin 13 and the second metal Pin 14 is each passed through the first sleeve joint hole 23 and the second sleeve joint hole 24 and is stretched out from the 4th end face 22.
When charging plug 10a is close to charging socket 10b, the end of the first metallic pin 13 and the second metallic pin 14 can be first The 5th end face 31 is contacted, and the area in addition to the first location hole 33 and the second location hole 34 of the 5th end face 31 would generally be contacted Domain, as shown in Figure 2 B.If at this point, further promoting charging plug 10a, the 5th end face 31 is applied to 13 He of the first metallic pin The power of second metallic pin 14, which can increase to, is enough the biasing force for overcoming spring so that the first positioning ring 1 and the second positioning ring 2 Separation, this for example can drive charging plug 10a to realize by the robot that charges.As the second positioning ring 2 (such as is filling Under the driving of electric machine people) continue close to charging socket 10b, the distance of the first positioning ring 1 and the second positioning ring 2 gradually increases Greatly；When the 4th end face 22 and the 5th end face 31 are bonded, the distance of the first positioning ring 1 and the second positioning ring 2 increases to maximum, At this point, the end of the first metallic pin 13 and the second metallic pin 14 is still resisted against on the 5th end face 31, as shown in Figure 2 C.
By appropriate profile design, charging plug 10a and charging socket 10b can be caused coaxially to relatively move, this The cylindrical outer rim of both samples can overlap, and can be rotated relative to each other around common central axis X.
As shown in Figure 2 D, when the 4th end face 22 and the 5th end face 31 are bonded, charging plug 10a surrounds central axis X phase It is rotated for charging socket 10b.At this point, since the first metallic pin 13 on the first positioning ring 1 and the second metallic pin 14 are still logical The first sleeve joint hole 23 and the second sleeve joint hole 24 is crossed to link together with the second positioning ring 2, therefore the first positioning ring 1 and second Positioning ring 2 rotates together, until the first metallic pin 13 and the second metallic pin 14 position respectively with first on charging socket 10b 33 and second location hole 34 of hole aligns so that the 5th end face 31 no longer applies pressure to the first metallic pin 13 and the second metallic pin 14 Power；At this time since the effect of spring force, the first metallic pin 13 and the second metallic pin 14 respectively enter the first location hole 33 and second Location hole 34, while the first positioning ring 1 is bonded the second positioning ring 2, completes charging plug 10a inserting to charging socket 10b It connects.
Can bus circuit be set in charging plug 10a and charging socket 10b, can be generated after the two completes grafting total Line current, the bus current are fed back to Vehicle Controller, and then send control signal by Vehicle Controller to start to charge up Journey.
In embodiment presented above, employ and two metallic pins are provided on the first positioning ring 1, it is fixed second It is correspondingly set on the lantern ring 2 of position there are two sleeve joint hole, and correspondingly there are two positioning for setting on the charging socket Hole.The diameter of first metallic pin 13 and the second metallic pin 14 may be the same or different, and they to central axis away from From may be the same or different.Preferably, in order to avoid during charging plug 10a is rotated one of metallic pin exist It is blocked into the location hole being not correspond to before corresponding location hole, two metallic pins can be designed to have different straight Footpath, correspondingly, two sleeve joint holes also have different diameters, and two location holes have corresponding different diameter.It is in this way, straight The big metallic pin in footpath is only possible into the location hole that is relatively large in diameter, without when charging plug 10a is followed to rotate by diameter compared with Small location hole blocks.
In addition it is also possible to two metallic pins are designed to it is different from the distance of central axis, and correspondingly, two sockets The distance of pitch-row axis and two distances of the location hole away from axis are also different.In this way, also can effectively avoid metallic pin it One is stuck when charging plug 10a is followed to rotate.
Also, the quantity of metallic pin can also carry out appropriate adjustment.For example, it can be set on the first positioning ring 1 One metallic pin sets a sleeve joint hole on the second positioning ring, and there are one location holes for setting on charging socket.Or Person sets there are three metallic pin on the first positioning ring, is correspondingly set there are three sleeve joint hole on the second positioning ring, And location hole there are three correspondingly being set on charging socket.
In the above-described embodiment, employing can be separated from each other and close two positioning rings, and position One of lantern ring is upper to set metallic pin, so that metallic pin can be extended and retracted compared with another positioning.In another reality It applies in mode, it may be considered that only one positioning ring is set, the metallic pin that can be extended and retracted is equipped on the positioning ring. For example, can on the positioning ring providing holes, spring and the metallic pin that is connected with one end of spring are set in hole.Not When carrying out grafting, metallic pin can protrude from the surface of positioning ring.In the case where external force is subject to act on, metallic pin can overcome Spring force is retracted into positioning ring.Equally, the quantity of metallic pin can be one, two, three or more.
Specifically, in the charging plug assembly, charging plug can have there are one circular positioning ring, this is fixed Position lantern ring has the end face substantially vertical with central axis, which is provided at least one metallic pin, the gold The end face can be protruded under spring force by belonging to pin, and the spring force can be overcome to retract under external force Thus with the end face, the charging socket has the opposing end surface towards positioning ring, which can be bonded The end face of positioning ring, and be provided on the opposing end surface of charging socket to receive determining for the metallic pin Position hole, when charging plug move to charging socket and the end of the metallic pin contact opposing end surface in addition to location hole During region, the metallic pin overcomes spring force to retract；It is and described opposite when the end face of positioning ring and charging socket After the fitting of end face, charging plug can be rotated around the central axis compared with charging socket, until the metallic pin and institute It states location hole alignment and and then under spring force into the location hole, the two stopping at this time relatively rotating.
In this case, it is possible to one, two, three or more metallic pin is set on positioning ring, and in institute It states and one, two, three or more location hole is correspondingly provided on charging socket.
In the above-described embodiment, grafting charging unit belongs to a part for the charging system for electric car, the charging System includes charging pile and movable charging robot.The charging plug of grafting charging unit is electrically charged the machinery of robot Arm is held, which, which can move along a straight line, can also drive charging plug to rotate.In general, charging plug is connected with charging pile, And charging socket is generally arranged on electric car.In this way, after charging vehicle has stopped, charging robot carrying charging plug is close to be filled Electric car, and by charging plug insertion charging vehicle charging socket.The first circuit is provided in charging plug, in charging socket Second circuit is inside provided with, after the metallic pin of charging plug enters the location hole of charging socket, the first circuit and second circuit It connects, the current trigger Vehicle Controller after connection is allowed to send control signal, allows to charge to electric car.
Although the present invention has been disclosed in the preferred embodiments as above, present invention is not limited to this.Any art technology Personnel, the various changes made without departing from the spirit and scope of the present invention and modification should all include the protection model of the present invention In enclosing, therefore protection scope of the present invention should be subject to claim limited range.
Reference numerals list：
10 grafting charging units
10a charging plugs
1 first positioning ring
11 first end faces
12 second end faces
13 first metallic pins
14 second metallic pins
2 second positioning rings
21 the 3rd end faces
22 the 4th end faces
23 first sleeve joint holes
24 second sleeve joint holes
10b charging sockets
31 the 5th end faces
33 first location holes
34 second location holes
35 spliced eyes
X central axis
F spring pressures

Claims (12)

1. a kind of grafting charging unit, including matched charging plug and charging socket,
The charging plug includes：
The first circular positioning ring, with central axis and the first end face substantially vertical with the central axis and the Biend, wherein, the second end face is provided at least one metallic pin, side of the metallic pin along the central axis To extension；
The second circular positioning ring is coaxially disposed with first positioning ring, and is had and the central axis The 3rd substantially vertical end face and the 4th end face, wherein, which is provided with perforative extremely for the metallic pin A few sleeve joint hole, and the first positioning ring can be along the direction of central axis close to or away from the second positioning ring；And
Spring can act on the first end face and first positioning ring is pressed to second positioning ring so that： The second end face of first positioning ring is bonded with the 3rd end face of the second positioning ring, and the metallic pin is described in Sleeve joint hole simultaneously protrudes from the 4th end face,
The charging socket has the 5th end face, wherein, the 5th end face can be bonded the 4th end face, and the 5th It is provided with to receive the location hole of the metallic pin on end face,
Wherein, when charging plug is moved to charging socket and the end of metallic pin contact the 5th end face in addition to location hole During region, the first positioning ring can overcome the effect of spring force to be separated with the second positioning ring；And
Wherein, after the 4th end face is bonded with the 5th end face, charging plug can be filled around the central axis compared with described Electrical socket rotates, until the metallic pin aligns with the location hole and and then under spring force into the positioning Hole.
2. grafting charging unit as described in claim 1, it is characterised in that：
On first positioning ring set there are one or three metallic pins, correspondingly set on second positioning ring Put there are one or three sleeve joint holes, and on the charging socket correspondingly set there are one or three location holes.
3. grafting charging unit as described in claim 1, it is characterised in that：
It is set on first positioning ring there are two metallic pin, two is correspondingly provided on second positioning ring A sleeve joint hole, and correspondingly there are two location holes for setting on the charging socket.
4. grafting charging unit as claimed in claim 3, it is characterised in that：
Described two metallic pins have different diameters, and described two sleeve joint holes correspondingly have different diameters, and described Two location holes correspondingly have different diameters.
5. grafting charging unit as claimed in claim 3, it is characterised in that：
Distance of described two metallic pins away from central axis is different, and correspondingly distance of described two sleeve joint holes away from central axis be not Same and described two distances of the location hole away from central axis are also different.
6. a kind of charging plug assembly, including matched charging plug and charging socket, wherein,
The charging plug has circular positioning ring, which has the end face substantially vertical with central axis, First positioning ring is provided at least one metallic pin, and the metallic pin can protrude from the end under spring force Face, and the spring force can be overcome to retract under external force so as to the end face,
The charging socket has the opposing end surface towards positioning ring, which can be bonded the end of positioning ring Face, and it is provided on the opposing end surface of charging socket to receive the location hole of the metallic pin,
When charging plug moved to charging socket and the end of metallic pin contact the opposing end surface in addition to location hole During region, the metallic pin overcomes spring force to retract；And
After the end face of positioning ring is bonded with the opposing end surface of charging socket, charging plug can surround it is described in Mandrel line is rotated compared with charging socket, until the metallic pin align with the location hole simultaneously so that under spring force Into the location hole.
7. grafting charging unit as claimed in claim 6, it is characterised in that：
Set on the positioning ring there are one or three metallic pins, and be correspondingly provided on the charging socket One or three location holes.
8. grafting charging unit as claimed in claim 6, it is characterised in that：
It is set on the positioning ring there are two metallic pin, and correspondingly there are two fixed for setting on the charging socket Position hole.
9. grafting charging unit as claimed in claim 8, it is characterised in that：
Described two metallic pins have different diameters, and described two location holes also correspondingly have different diameters.
10. grafting charging unit as claimed in claim 8, it is characterised in that：
Described two metallic pins are different from the distance of central axis, and correspondingly, described two location holes are away from central axis Distance is different.
11. a kind of charging system for electric car, including charging pile and according to any one of the preceding claims insert Charging unit is connect, wherein, the charging plug of grafting charging unit can be connected with one of charging pile and electric car, and insert Connecing the charging socket of charging unit can be connected with the other of charging pile and electric car,
The first circuit is provided in the charging plug, second circuit is provided in the charging socket, when metallic pin into After entering location hole, first circuit is connected with the second circuit so that the Vehicle Controller of electric car sends control signal To allow to charge to the electric car.
12. charging system according to claim 11, it is characterised in that：
The charging system further includes charging robot, and the charging robot can manipulate the charging plug and be inserted to described charge Seat movement, and the charging plug can be made to be rotated compared with the charging socket.
CN201711403512.2A 2017-12-22 2017-12-22 For the grafting charging unit of electric car Pending CN108045255A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711403512.2A CN108045255A (en) 2017-12-22 2017-12-22 For the grafting charging unit of electric car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711403512.2A CN108045255A (en) 2017-12-22 2017-12-22 For the grafting charging unit of electric car

Publications (1)

Publication Number Publication Date
CN108045255A true CN108045255A (en) 2018-05-18

Family

ID=62130839

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711403512.2A Pending CN108045255A (en) 2017-12-22 2017-12-22 For the grafting charging unit of electric car

Country Status (1)

Country Link
CN (1) CN108045255A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020237536A1 (en) * 2019-05-29 2020-12-03 Abb Schweiz Ag Apparatus and method for charging electric vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020237536A1 (en) * 2019-05-29 2020-12-03 Abb Schweiz Ag Apparatus and method for charging electric vehicle

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Application publication date: 20180518