CN208754008U - Liquid-cooled charging system for electric automobile - Google Patents
Liquid-cooled charging system for electric automobile Download PDFInfo
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- CN208754008U CN208754008U CN201820930110.1U CN201820930110U CN208754008U CN 208754008 U CN208754008 U CN 208754008U CN 201820930110 U CN201820930110 U CN 201820930110U CN 208754008 U CN208754008 U CN 208754008U
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- cooling pipe
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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
- 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
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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
- 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
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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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- 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
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Abstract
A kind of liquid-cooled charging system for electric automobile is provided, includes charging gun interface (A) and cradle interface (B), liquid cooling pipe (C), the interior charge cable (5) for having liquid cooling pipe, liquid storage device (6) and motor (7)；Charging gun interface (A) and/or cradle interface (B) include liquid cooling terminal group, and liquid cooling terminal group includes liquid cooling pipe water supply connector (1), liquid cooling room (2), charging end terminal (31), harness end terminal (32), liquid cooling pipe water outlet connector (4)；Coolant liquid in motor driving liquid storage device (6), which enters after cooling chamber (2) circulate wherein through liquid cooling pipe from liquid cooling pipe water supply connector (1), is back to liquid storage device (6) through liquid cooling pipe again through liquid cooling pipe water outlet connector (4) outflow, wherein liquid cooling room (2) setting is used for, fast cooling direct to charging end terminal (31) and harness end terminal (32) in the interconnecting piece of charging end terminal (31) and harness end terminal (32).
Description
Technical field
The utility model relates generally to electric car charging technique field, more particularly to a kind of liquid-cooled electric car
Charging system.
Background technique
With gradually popularizing for New-energy electric vehicle and being stepped up for electric car course continuation mileage and battery capacity,
The defect that electric car charging rate is slow, the charging time is long is more and more significant, has arrived stage in the urgent need to address.
By formula W=Pt=UIt, (wherein W is function (unit: kilowatt hour-kwh), and wherein P is that charge power is (single
Position: watt-W), U is charging voltage (unit: volt-V), and I is charging current (unit ampere-A), and t is charging time (unit
Second-s)) it is found that shorten charging time t if you need to promote charging rate, from raising charging voltage U and charging current I two can be improved
Aspect is studied.
The insulation for being related to vehicle charging circuit system due to improving charging work voltage needs synchronous raising, will be to charging
The designs of each electric elements of circuit, production bring difficulty simultaneously and will also be brought to the design of vehicle charging circuit, manufacturing cost compared with
Big raising, therefore improving charging current is one compared to relatively more economical feasible selection.
By heating power formula: P=I2R it is found that after improving charging work electric current, the fever of charging circuit system/
Temperature rise will increase, it will bring greater risk to Vehicular system and personal safety as well as the property safety.
In order to ensure that its fever/temperature rise is limited in standard/safe range electric car during the charging process, existing routine
Control mode be that the section of current-carrying conductor and associated appliance in synchronous increasing circuit are needed when improving circuit rated operational current
The rated operational current specification of element.
By taking customary DC 250A charging gun as an example, the weight for being equipped with 70 squares of cables of 5m long is about 16kg, foundation
The regulation of the GB20234.1-2015 rated current that will such as charge is promoted to 400A, and charging interface need to be equipped with 240 squares of cable,
The bigger cross-section of cable means more cable weights, bigger connection terminal, more complicated connection type and more big
Interior wiring space, and thus bring the reduction of reliability and economy.
For this purpose, improving charging work electric current on the basis of keeping or reducing cable specification (current-carrying cross section product), while really
The temperature rise for protecting charging circuit limits in range in standard/safety, is a technical problem urgently to be resolved.
Summary of the invention
To solve the above problems, the utility model provides a kind of liquid-cooled charging system for electric automobile, so that electronic vapour
When Che electricity, coolant liquid is allowed to flow through terminal group, the waste heat generated when charging end terminal and harness end terminal are charged is taken away
And distribute, reduce the problem of charging circuit series, while the raising charging current in standard allowed band.
The technical solution of the utility model is a kind of liquid-cooled charging system for electric automobile, comprising charging gun interface and is filled
Electric seated connection mouth, the design point of the utility model be, charging gun interface or cradle interface includes, even charging gun interface and fills
Electric seated connection mouth includes liquid cooling terminal group simultaneously, and liquid cooling terminal group includes charging end terminal and harness end terminal, and charging end terminal is used
In other terminals that connection is plugged together with it, harness end terminal is used to connect the interior charge cable having in the charge cable of liquid cooling pipe,
There is coolant liquid circulation in liquid cooling terminal group；Therefore, when electric car charges, the charging end terminal and cradle of charging gun interface
The charging end terminal of interface is plugged together, formed charging path, at this time comprising liquid cooling terminal group charging gun interface and/or fill
Electric seated connection mouth because there is a coolant liquid circulation, walk by the heat that when charging work the generates liquid band that is cooled, reduce charging gun interface and/
Or the temperature of cradle interface.
Further, above-mentioned liquid cooling terminal group includes liquid cooling pipe water supply connector, liquid cooling room, liquid cooling pipe water outlet connector；It is external
Coolant liquid flow into liquid cooling room from liquid cooling pipe water supply connector, by the indoor coolant liquid distribution channel of liquid cooling from liquid cooling pipe water outlet connect
Head efflux cold house；The interconnecting piece of charging end terminal and harness end terminal, i.e. charging end terminal and harness end is arranged in liquid cooling room
Terminal joint, liquid cooling room housing are Heat Conduction Material, for cooling down for charging end terminal and harness end terminal.Because liquid cooling room is set
The interconnecting piece in charging end terminal and harness end terminal is set, shell is Heat Conduction Material again, when its internal coolant liquid distribution channel
When inside thering is coolant liquid to flow through, coolant liquid by charging end terminal outside liquid cooling room housing and liquid cooling room housing and harness end terminal into
The exchange of row heat, the heat that electric current flows through charging end terminal and harness end terminal is taken away, and reduces charging end terminal and harness end
The temperature of terminal.
Further, the liquid-cooled charging system for electric automobile of the utility model further includes liquid cooling pipe, interior has liquid cooling pipe
Charge cable, liquid storage device and motor；Liquid storage device is for storing and providing coolant liquid；Motor is connect with liquid storage device, for being storage
Liquid flowing in liquid device provides driving force；Motor passes through the interior liquid cooling pipe having in the charge cable of liquid cooling pipe and liquid cooling water inlet tube
Connector connection；Liquid storage device is connect by liquid cooling pipe with liquid cooling pipe water outlet connector, so that coolant liquid is between liquid storage device and liquid cooling room
Form circulation loop.As can be seen that liquid-cooled charging system for electric automobile at this time forms the circulation loop of coolant liquid circulation:
Motor lifts the coolant liquid extraction in liquid storage device through the liquid cooling pipe in the interior charge cable for having liquid cooling pipe, passes through liquid cooling water inlet tube
Connector enters liquid cooling room, after circulating in liquid cooling room, flows out from liquid cooling pipe water outlet connector, returns to liquid storage device through liquid cooling pipe, completes
One liquid cooling circulation.Herein, the charge cable of liquid cooling pipe inside belongs to the prior art, by liquid cooling pipe packet in charge cable foreskin
It is parallel with charge cable, first is that the operating temperature of charging cable can be reduced, second is that keeping whole route clean and tidy, beautiful.
Further, the coolant liquid distribution channel of liquid cooling chamber interior is greater than 1.When liquid cooling pipe water supply connector and liquid cooling pipe
When water outlet connector only has 1, the inside of liquid cooling room can only have a coolant liquid distribution channel, i.e., liquid cooling room at this time includes
The coolant liquid distribution channel that case material and case material surround；There can also be the coolant liquid distribution channel more than 1, this
A little a plurality of coolant liquid distribution channels are divided to be formed by thin-walled material identical with liquid cooling room housing material, and coolant liquid is from liquid at this time
After cold water inlet tube connector enters liquid cooling room, flowed into different coolant liquid distribution channels, finally from liquid cooling pipe water outlet connector stream
Out, a plurality of coolant liquid distribution channel will be divided into liquid cooling room housing first is that according to charging end terminal and harness end terminal connection part
Shape design needs, and makes coolant liquid distribution channel closer to the interconnecting piece of charging end terminal and harness end terminal；Second is that a plurality of cold
But it can increase coolant liquid and conductive with the conductive and heat-conductive interval insulant of liquid cooling room housing same material between liquid distribution channel
The contact area of Heat Conduction Material makes heat exchange more rapidly, so that temperature reduces faster.
Also further, liquid cooling pipe water supply connector is greater than 1 and/or liquid cooling pipe water outlet connector is greater than 1, the liquid cooling pipe
Water supply connector and liquid cooling pipe water outlet connector are communicated with coolant liquid distribution channel, so that coolant liquid is through the coolant liquid for being more than 1
Distribution channel flows through the liquid cooling room.If when liquid cooling pipe water supply connector and liquid cooling pipe water outlet connector only 1, and coolant liquid
When distribution channel is more than 1, the motor that is connect by liquid cooling pipe with liquid cooling pipe water supply connector may be because be short of power cannot
Guarantee that the coolant liquid in each coolant liquid distribution channel sufficiently flows, therefore, design more than one liquid cooling pipe water supply connector and/
Or more than one liquid cooling pipe water outlet connector, in this way, can have multiple motors, each with liquid cooling pipe water supply connector one once liquid cooling pipe
Connection, directly provides coolant liquid for every coolant liquid distribution channel, coolant liquid is most afterwards through multiple or 1 liquid cooling pipe water outlet connector stream
Liquid cooling room out.
Further, the charging end terminal of the utility model and harness end terminal are formed by connecting by split type terminal, are filled
Electric end terminal and harness end terminal are connect with the shell of the liquid cooling room, and the shell of liquid cooling room is conductive material, so that coolant liquid
Directly, cool down simultaneously to charging end terminal and harness end terminal.Such liquid cooling room connection design is for charging end terminal and line
The case where beam end terminal is split type connection, charging end terminal and harness end terminal are formed by connecting by two parts, at this time by liquid
Cold house designs the interconnecting piece in charging end terminal and harness end terminal, i.e. charging end terminal and harness end terminal is both connected to liquid cooling
In room housing, certainly, the indoor coolant liquid of liquid cooling is insulation, because liquid cooling room housing is both Heat Conduction Material and conductive at this time
Material, at this time in addition to heat transfer, also at the carrying object between charging end terminal and harness end terminal.
Also further, above-mentioned liquid cooling room housing is welding, riveting with the connection type of charging end terminal and harness end terminal
It connects, one of screw thread twist-on.
Further, above-mentioned charging end terminal and harness end terminal are by one piece of integral material processing and fabricating, the charging
There are through hole, the coolant liquid circulation in fluted and/or middle section on end terminal and the outer wall of harness end terminal middle section
Access is set in the concave part and/or the through hole.Such liquid cooling room design is for charging end terminal and harness end
The case where terminal is by one piece of integral material processing and fabricating, when charging end terminal and harness end terminal are integrated material, liquid cooling
Room is designed in the groove on the outer wall of charging end terminal and harness end terminal middle section or in through hole, and coolant liquid is from groove
And/or through hole flows through, and cools down to charging end terminal and harness end terminal.
Also further, the groove shapes on the outer wall of above-mentioned charging end terminal and harness end terminal middle section are ring
One of shape, spiral shape.
Further, the liquid storage device of the utility model is independent device for storing liquid or liquid storage device is in Rechargeable vehicle
Or the existing liquid cooling storage device in charging pile.The liquid storage device of charging gun interface can be additional device for storing liquid, can also be with
Borrow the existing liquid cooling storage devices such as the battery pack in electric car；Equally, the liquid storage device of cradle interface can be additional
Device for storing liquid can also directly borrow the existing liquid cooling apparatus in charging pile.
Further, the connection type of the harness end terminal of the utility model and the interior charge cable for having liquid cooling pipe is weldering
One of connect, rivet, crimp.
Liquid cooling method of the utility model to charging system for electric automobile are as follows: starter motor makes the coolant liquid in liquid storage device
It is drawn, enters liquid cooling room from liquid cooling pipe water supply connector through the liquid cooling pipe in the interior charge cable for having liquid cooling pipe, in liquid cooling room
Coolant liquid distribution channel circulation make the interconnecting piece of charging end terminal and harness end terminal cool down after through liquid cooling pipe water outlet connector from
The outflow of liquid cooling room, flows back to liquid storage device through another liquid cooling pipe.
Compared with the prior art, the utility model is had an advantage that:
1, connection of the utility model to the charging end terminal and harness end terminal of cradle interface and/or charging gun interface
Portion carries out liquid cooling design, forms liquid cooling terminal group, realizes heat dissipation and drop when charging end terminal and the work of harness end terminal
Temperature.
2, the utility model forms coolant liquid from liquid storage device-liquid cooling pipe-by liquid storage device, motor and liquid cooling pipe design
Liquid cooling room-liquid cooling pipe-liquid storage device down cycles circuit, improves liquid cooling efficiency.
3, the utility model is by increasing heat transfer cooling in coolant liquid circulation path of the liquid cooling indoor design more than 1
Area improves liquid cooling room to the cooling effect of charging end terminal and harness end terminal connection part.
4, the utility model is designed by multiple liquid cooling pipe water supply connectors and liquid cooling pipe water outlet connector, increases liquid cooling circulation
The mobility of middle coolant liquid provides better liquid cooling effect.
5, the utility model is directed to different charging end terminals and harness end terminal connecting structure, devises different liquid coolings
Room connection type and structure, to provide more efficient liquid cooling effect.
6, the utility model has carried out selectivity according to the current condition of Rechargeable vehicle and charging pile to liquid storage device and motor
Design, with save the cost to the maximum extent and space.
Therefore, the utility model flows through charging end terminal and harness end terminal connection part for charging end terminal by coolant liquid
It takes away and distributes with the waste heat generated when the charging of harness end terminal, problem serial in charging circuit can be reduced, simultaneously
The raising charging current in standard allowed band.
Detailed description of the invention
From the detailed description with reference to the accompanying drawing to the utility model embodiment, the utility model these and/or its
Its aspect and advantage will become clearer and be easier to understand, in which:
Attached drawing 1 is the liquid-cooled charging system for electric automobile structure composition schematic diagram of the utility model embodiment；
Liquid cooling terminal when attached drawing 2 is the charging end terminal of the utility model embodiment and harness end terminal is split type connection
The structure composition schematic diagram of group；
Liquid cooling terminal when attached drawing 3 is the charging end terminal of the utility model embodiment and harness end terminal is split type connection
The diagrammatic cross-section and coolant liquid distribution channel schematic diagram of group；
Liquid cooling terminal group when attached drawing 4 is the charging end terminal of the utility model embodiment and harness end terminal is integral type
Structure composition schematic diagram；
Liquid cooling terminal group cuts open when the charging end terminal and harness end terminal that attached drawing 5 is the utility model embodiment are integrated
Face schematic diagram and coolant liquid distribution channel schematic diagram；
Attached drawing 6 shows the example of shape of groove 9.
Specific embodiment
It is right with reference to the accompanying drawings and detailed description in order to make those skilled in the art more fully understand the utility model
The utility model is described in further detail.
It will be illustrated in the following order below:
Embodiment 1
A kind of charging end terminal and harness end terminal are split type liquid-cooled charging system for electric automobile, and structure is as schemed
Shown in 1, including charging gun interface A, cradle interface B, liquid cooling pipe C, the interior charge cable 5 for having liquid cooling pipe, liquid storage device 6 and motor
7, charging gun interface A and/or cradle interface B include liquid cooling terminal group, when electric car charging, charging gun interface A and are filled
Electric seated connection mouth B is plugged together, and charging path is formed；The liquid cooling terminal group of charging gun interface A and/or cradle interface B are led to respectively
There are the charge cable 5 of liquid cooling pipe, liquid cooling pipe C to be connected with motor 7 and liquid storage device 6 in crossing, forms a liquid-cooling circulating system.
One specific design example of liquid cooling terminal group are as follows: including liquid cooling pipe water supply connector 1, liquid cooling room 2, charging end terminal
31, harness end terminal 32, liquid cooling pipe water outlet connector 4.2 shell of liquid cooling room is thermal conductivity material, and the coolant liquid of the inside is insulation
Liquid.
Liquid storage device 6 is independent device for storing liquid or liquid storage device 6 for storing and providing coolant liquid, liquid storage device 6 as charging
Existing liquid cooling storage device in automobile or in charging pile；Motor 7 is connect with the liquid storage device, for in liquid storage device 6
Liquid flowing provides driving force；Motor 7 is connect by the liquid cooling pipe in charge cable 5 with liquid cooling pipe water supply connector 1；Liquid storage device 6
It is connect by liquid cooling pipe C with liquid cooling pipe water outlet connector 4, coolant liquid flows into liquid cooling room 2 from liquid cooling pipe water supply connector 1, by liquid cooling
Coolant liquid distribution channel 8 in room 2 is from 4 efflux cold house 2 of liquid cooling pipe water outlet connector；Wherein coolant liquid distribution channel 8 is greater than 1
Item, liquid cooling pipe water supply connector 1 and liquid cooling pipe water outlet connector 4 are all larger than 1, liquid cooling pipe water supply connector 1 and liquid cooling pipe water outlet connector 4
It communicates with the coolant liquid distribution channel 8 for being more than 1, is recycled back to so that coolant liquid is formed between liquid storage device 6 and liquid cooling room 2
Road.
Liquid cooling end when Fig. 2 shows the charging end terminal of the utility model embodiment and harness end terminal being split type connection
The structure composition example of subgroup.As shown in Fig. 2, both the charging end terminal 31 and harness end terminal 32 in liquid cooling terminal group are
Independent component is connect with the shell of liquid cooling room respectively, specifically, charging end terminal 31 and harness end terminal 32 and liquid cooling room 2
Shell connection, connection type is welding, riveting, one of screw thread twist-on, and coolant liquid is directly to charging end terminal and harness
While holding terminal cooling, 2 shell of liquid cooling room becomes one of electrical current carriers between charging end terminal 31 and harness end terminal 32
Point.
Liquid cooling terminal group when Fig. 3 is the charging end terminal of the utility model embodiment and harness end terminal is split type connection
Diagrammatic cross-section and coolant liquid distribution channel schematic diagram.As shown in figure 3, in cradle interface and/or charging gun interface internal
The circulation path of coolant liquid are as follows: liquid cooling pipe water supply connector 1- liquid cooling room 2- liquid cooling pipe water outlet connector 4, liquid cooling pipe water supply connector 1 with
Liquid cooling pipe (connecting motor and charging gun interface/cradle interface liquid cooling pipe) in charge cable 5 is connected, and liquid cooling pipe water outlet connects
First 4 with connect charging gun interface/cradle interface and be connected with the liquid cooling pipe C of fluid reservoir；
Meanwhile because the shell of liquid cooling room 2 is made of conductive material, coolant liquid is the liquid of insulation, it can be seen that charging
Seated connection mouth and/or charging gun interface internal current flow paths are as follows: the shell of charging end terminal 31- liquid cooling room 2-harness end terminal
4.Charging end terminal 31 is connected with corresponding charging gun/cradle terminal；Harness end terminal 4 is connected with charge cable, connection side
Formula, which can be, any reliable connection type such as welds or rivets, crimps.
Embodiment 2
A kind of charging end terminal and harness end terminal are the liquid-cooled charging system for electric automobile of integral type, and structure is as schemed
Shown in 1, including charging gun interface A and cradle interface B, liquid cooling pipe C, the interior charge cable 5 for having liquid cooling pipe, liquid storage device 6 and horse
Up to 7, charging gun interface A and/or cradle interface B include liquid cooling terminal group, when electric car charging when, charging gun interface A and
Cradle interface B is plugged together, and charging path is formed；The liquid cooling terminal group of charging gun interface A and/or cradle interface B difference
It is connected by the interior charge cable 5 for having liquid cooling pipe, liquid cooling pipe C with motor 7 and liquid storage device 6, forms a liquid-cooling circulating system.
One specific design example of liquid cooling terminal group are as follows: including liquid cooling pipe water supply connector 1, liquid cooling room 2, charging end terminal
31, harness end terminal 32, liquid cooling pipe water outlet connector 4.2 shell of liquid cooling room is Heat Conduction Material.
Liquid storage device 6 is independent device for storing liquid or liquid storage device 6 for storing and providing coolant liquid, liquid storage device 6 as charging
Existing liquid cooling storage device in automobile or in charging pile；Motor 7 is connect with the liquid storage device, for in liquid storage device 6
Liquid flowing provides driving force；Motor 7 passes through the interior liquid cooling pipe and liquid cooling pipe water supply connector 1 having in the charge cable 5 of liquid cooling pipe
Connection；Liquid storage device 6 is connect by liquid cooling pipe C with liquid cooling pipe water outlet connector 4, and coolant liquid flows into liquid cooling from liquid cooling pipe water supply connector 1
Room 2, by the coolant liquid distribution channel 8 in liquid cooling room 2 from 4 efflux cold house 2 of liquid cooling pipe water outlet connector；Wherein coolant liquid circulates
Access 8 be greater than 1, liquid cooling pipe water supply connector 1 and liquid cooling pipe water outlet connector 4 be all larger than 1, liquid cooling pipe water supply connector 1 and liquid cooling
Pipe water outlet connector 4 is communicated with the coolant liquid distribution channel 8 for being greater than 1 so that coolant liquid liquid storage device 6 and liquid cooling room 2 it
Between form circulation loop.About a plurality of coolant liquid distribution channel 8, can for example be obtained by dividing liquid cooling room with partition, or
Person can also exactly independent, the correspondence distribution channel that is made of each pipeline (at this point it is possible to which logically liquid cooling room is considered as
It is made of such multiple distribution channels).
As shown in figure 4, charging end terminal 31 and harness end terminal 32 are by one piece of integral material processing and fabricating, charging end terminal
31 and 32 middle section of harness end terminal outer wall on fluted 9 and/or terminal middle section have a through hole, coolant liquid circulation is logical
Road 8 is set in the groove 9 and/or through hole, 9 shape of groove as shown in fig. 6, for annular, one of spiral shape,
So that coolant liquid directly, simultaneously cools down to charging end terminal and harness end terminal；
As shown in figure 5, the circulation path in cradle interface and/or charging gun interface internal coolant liquid is: liquid cooling pipe into
The water swivel 1- liquid cooling room charging end 2- terminal 31 and the groove 9 on 32 outer wall of harness end terminal or the through hole-on middle section
Liquid cooling pipe water outlet connector 4, liquid cooling pipe water supply connector 1 are connected with the liquid cooling pipe in the corresponding charge cable 5 for including liquid cooling pipe, liquid
Cold pipe water outlet connector 4 is connected with liquid cooling pipe C.
2 shell of liquid cooling room of the present embodiment can be conductive material, may not be conductive material, and therefore, charge seated connection
Mouth and/or charging gun interface internal current flow paths are: the shell of charging end terminal 31- liquid cooling room 2-harness end terminal 32,
Or cradle interface and/or charging gun interface internal current flow paths are: charging end terminal 31- harness end terminal 32 fills
Electric end terminal 31 and harness end terminal 31 are the same terminals；Charging end terminal 31 and corresponding charging gun/cradle terminal phase
Even；Harness end terminal 32 is connected with harness cable, and connection type, which can be, any reliable connection side such as welds or rivets, crimps
Formula.
Each embodiment of the utility model is described above, above description is exemplary, and non-exclusive, and
And it is also not necessarily limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for
Many modifications and changes are obvious for those skilled in the art.Therefore, the guarantor of the utility model
Shield range should be subject to the protection scope in claims.
Claims (10)
1. a kind of liquid-cooled charging system for electric automobile, including charging gun interface (A) and cradle interface (B), work as electric car
When charging, the charging gun interface (A) and cradle interface (B) are plugged together, and form charging path；
It is characterized in that, the charging gun interface (A) and/or cradle interface (B) they include liquid cooling terminal group, the liquid cooling terminal
Group includes charging end terminal (31) and harness end terminal (32), has coolant liquid circulation in the liquid cooling terminal group.
2. liquid-cooled charging system for electric automobile as described in claim 1, which is characterized in that the liquid cooling terminal group further includes
Liquid cooling pipe water supply connector (1), liquid cooling room (2), liquid cooling pipe water outlet connector (4)；
Coolant liquid flows into liquid cooling room (2) from the liquid cooling pipe water supply connector (1), circulates by the coolant liquid in liquid cooling room (2) logical
Road (8) is from liquid cooling pipe water outlet connector (4) the efflux cold house (2)；
Interconnecting piece of liquid cooling room (2) setting in the charging end terminal (31) and harness end terminal (32), liquid cooling room (2) shell
Body is Heat Conduction Material, for cooling down for charging end terminal (31) and harness end terminal (32).
3. liquid-cooled charging system for electric automobile as claimed in claim 2, which is characterized in that the liquid-cooled electric car fills
Electric system further includes the first liquid cooling pipe (C), the interior charge cable (5) for having the second liquid cooling pipe, liquid storage device (6) and motor (7)；
The liquid storage device (6) is for storing and providing coolant liquid；The motor (7) connect with the liquid storage device, for being liquid storage
Coolant flow in device (6) provides driving force；
The motor (7) is connect by the second liquid cooling pipe in charge cable (5) with liquid cooling pipe water supply connector (1)；The liquid storage
Device (6) is connect by the first liquid cooling pipe (C) with liquid cooling pipe water outlet connector (4), so that coolant liquid is in liquid storage device (6) and liquid cooling room
(2) circulation loop is formed between.
4. liquid-cooled charging system for electric automobile as claimed in claim 2, which is characterized in that the liquid cooling room (2) is internal cold
But liquid distribution channel (8) is greater than 1.
5. liquid-cooled charging system for electric automobile as claimed in claim 4, which is characterized in that the liquid cooling pipe water supply connector
(1) it is greater than 1 and/or liquid cooling pipe water outlet connector (4) and is greater than 1, the liquid cooling pipe water supply connector (1) and liquid cooling pipe water outlet connector
(4) it is communicated with the coolant liquid distribution channel (8) for being greater than 1.
6. liquid-cooled charging system for electric automobile as claimed in claim 2, which is characterized in that the charging end terminal (31) and
Harness end terminal (32) is independent component, the charging end terminal (31) and harness end terminal (32) and the liquid cooling room (2)
Shell connection, the shell of the liquid cooling room (2) is conductive material so that coolant liquid directly, simultaneously to charging end terminal and line
The cooling of beam end terminal.
7. liquid-cooled charging system for electric automobile as claimed in claim 6, which is characterized in that the shell of the liquid cooling room (2)
It is one of welding, riveting, screw thread twist-on with the connection type of charging end terminal (31) and harness end terminal (32).
8. liquid-cooled charging system for electric automobile as claimed in claim 2, which is characterized in that the charging end terminal (31) and
Harness end terminal (32) is by one piece of integral material processing and fabricating, the charging end terminal (31) and harness end terminal (32) middle part
There are through hole in fluted (9) and/or middle section on the outer wall divided, and the coolant liquid distribution channel (8) is set to the groove
(9) in portion and/or the through hole.
9. liquid-cooled charging system for electric automobile as claimed in claim 8, which is characterized in that the charging end terminal (31) and
Groove (9) shape on the outer wall of harness end terminal (32) middle section is one of annular, spiral shape.
10. liquid-cooled charging system for electric automobile as claimed in claim 3, which is characterized in that the liquid storage device (6) is independent
Device for storing liquid or liquid storage device (6) be Rechargeable vehicle in or charging pile in existing liquid cooling storage device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820930110.1U CN208754008U (en) | 2018-06-15 | 2018-06-15 | Liquid-cooled charging system for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820930110.1U CN208754008U (en) | 2018-06-15 | 2018-06-15 | Liquid-cooled charging system for electric automobile |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879823A (en) * | 2018-06-15 | 2018-11-23 | 深圳易瓦科技有限公司 | Liquid-cooled charging system for electric automobile and its liquid cooling method |
| WO2020245687A1 (en) * | 2019-06-05 | 2020-12-10 | Te Connectivity Corporation | Heat exchanger for a power connector |
| TWI816530B (en) * | 2021-11-19 | 2023-09-21 | 大陸商立訊精密工業(江蘇)有限公司 | Charging gun cooling system and charging gun |
| WO2023185240A1 (en) * | 2022-03-31 | 2023-10-05 | 深圳市道通合创数字能源有限公司 | Electrical connector, charging pile, and charging system |
| WO2024146639A3 (en) * | 2023-01-06 | 2024-08-29 | 长春捷翼汽车科技股份有限公司 | Liquid-cooled high-voltage connector |
-
2018
- 2018-06-15 CN CN201820930110.1U patent/CN208754008U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879823A (en) * | 2018-06-15 | 2018-11-23 | 深圳易瓦科技有限公司 | Liquid-cooled charging system for electric automobile and its liquid cooling method |
| WO2020245687A1 (en) * | 2019-06-05 | 2020-12-10 | Te Connectivity Corporation | Heat exchanger for a power connector |
| US11285832B2 (en) | 2019-06-05 | 2022-03-29 | TE Connectivity Services Gmbh | Heat exchanger for a power connector |
| TWI816530B (en) * | 2021-11-19 | 2023-09-21 | 大陸商立訊精密工業(江蘇)有限公司 | Charging gun cooling system and charging gun |
| WO2023185240A1 (en) * | 2022-03-31 | 2023-10-05 | 深圳市道通合创数字能源有限公司 | Electrical connector, charging pile, and charging system |
| WO2024146639A3 (en) * | 2023-01-06 | 2024-08-29 | 长春捷翼汽车科技股份有限公司 | Liquid-cooled high-voltage connector |
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