CN110289519A - A kind of pure electric automobile DC charging socket - Google Patents
A kind of pure electric automobile DC charging socket Download PDFInfo
- Publication number
- CN110289519A CN110289519A CN201910554220.1A CN201910554220A CN110289519A CN 110289519 A CN110289519 A CN 110289519A CN 201910554220 A CN201910554220 A CN 201910554220A CN 110289519 A CN110289519 A CN 110289519A
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- Prior art keywords
- socket
- charging
- interface
- voltage
- low
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- 229910052802 copper Inorganic materials 0.000 claims abstract description 33
- 239000010949 copper Substances 0.000 claims abstract description 33
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims description 51
- 238000002955 isolation Methods 0.000 claims description 35
- 238000009434 installation Methods 0.000 claims description 19
- 239000003365 glass fiber Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 5
- WSNMPAVSZJSIMT-UHFFFAOYSA-N COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 Chemical compound COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 WSNMPAVSZJSIMT-UHFFFAOYSA-N 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 18
- 230000000694 effects Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 4
- 238000010292 electrical insulation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002788 crimping Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- B60L53/10—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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/50—Bases; Cases formed as an integral body
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
- H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
- H01R13/512—Bases; Cases composed of different pieces assembled by screw or screws
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/521—Sealing between contact members and housing, e.g. sealing insert
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for 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
- Y02T90/14—Plug-in electric vehicles
Abstract
The present invention relates to a kind of pure electric automobile DC charging sockets, which is characterized in that national standard charging interface, vehicle high voltage interface and vehicle low-voltage signal interface are provided on the DC charging socket；The DC charging socket includes socket, and one end of the socket is sealedly connected with the national standard charging interface, and the other end is sealedly connected with rear cover；Integrated circuit board is provided in the socket, low-voltage terminal is fixedly mounted on the integrated circuit board, and the circuit connection on low-voltage signal plug-in unit and the integrated circuit board simultaneously stretches out the socket sidewall profile into the vehicle low-voltage signal interface；HV Terminal one end is fixed in the HV Terminal mounting hole on the national standard charging interface, the other end passes through the integrated circuit board and connect with high pressure copper bar, the socket is provided with high-voltage wiring harness entrance on the side side wall of the HV Terminal to form the vehicle high voltage interface, and envelope line tail-hood is provided at the vehicle high voltage interface.
Description
Technical field
The invention belongs to electric car charging technique fields, and in particular to a kind of pure electric automobile DC charging socket.
Background technique
Charging is the function of pure electric vehicle indispensability.With the raising that people require the pure electric automobile charging time, direct current
Charging socket using it is more next frequently, therefore DC charging socket will be essential element in pure electric vehicle.Due to pure electric automobile
DC charging socket belongs to automobile grade High-Voltage Electrical Appliances, while considering human engineering, pure electric automobile DC charging socket one
As be mounted on the positions such as preceding grid, the rear side wall of vehicle with convenient for people to use, but these local General Spatials are narrow, cause
The design of vehicle, integrate, assemble it is highly difficult.Therefore DC charging socket not only needs higher protective performance, but also needs
There are the spatially integrate property of preferable vehicle, preferable vehicle assembling.Therefore according to whole pure electric vehicle performance and space layout
It needs, assembly and laws and regulations requirement, designs structurally reasonable DC charging socket, guarantee pure electric automobile charge requirement gesture must
Row.Specifically, it is contemplated that the use environment and vehicle high-voltage safety of vehicle, it is desirable to which fast charge socket is with higher dust-proof, anti-
The requirement of shelter such as water.Pure electric automobile DC charging socket needs to meet low-profile, installation convenience, is suitble to vehicle empty simultaneously
Between arrangement with assembly while, also needed enough protective performances, the high-voltage safety to guarantee vehicle charging performance, with vehicle.
Summary of the invention
The present invention devises a kind of pure electric automobile DC charging socket, it is intended to meet the premise of vehicle charge function
Under, there is preferable vehicle high-voltage safety performance, the spatially integrate performance of vehicle, preferable water proof and dust proof ability, assembly is convenient, outer
Shape is small and exquisite, is suitble to vehicle space layout, easily assembly.
To achieve the goals above, the invention adopts the following technical scheme:
It is high to be provided with national standard charging interface, vehicle on the DC charging socket for a kind of pure electric automobile DC charging socket
Crimp mouth and vehicle low-voltage signal interface；
The DC charging socket includes socket, and one end of the socket is sealedly connected with the national standard charging interface, separately
One end is sealedly connected with rear cover；Integrated circuit board is provided in the socket, low-voltage terminal is fixedly mounted on the integrated electricity
On the plate of road, low-voltage signal plug-in unit and the circuit connection on the integrated circuit board simultaneously stretch out the socket sidewall profile at described
Vehicle low-voltage signal interface；HV Terminal one end is fixed in the HV Terminal mounting hole on the national standard charging interface, another
End is connect across the integrated circuit board with high pressure copper bar, and the socket is arranged on the side side wall of the HV Terminal
There is high-voltage wiring harness entrance to form the vehicle high voltage interface, envelope line tail-hood is provided at the vehicle high voltage interface.
Further, interior isolation board is additionally provided between the rear cover and the socket so that the DC charging socket is isolated
Internal high and low pressure circuit；The high pressure copper bar is arranged between the rear cover and the interior isolation board.
Further, HV Terminal via hole II, high-voltage line shielded layer connection via hole and installation are provided on the interior isolation board
Fixation hole；The interior isolation board is fixed on the socket by the installation fixation hole.
Further, it is covered after described and is provided with isolation structure and seal groove, the seal groove is provided with radial multi-stage sealing
Circle；The circumferential periphery of the rear cover is additionally provided with clamping structure II and is connected with being clamped with the socket.
Further, the high pressure copper bar includes three PE copper bar, DC+ copper bar, DC- copper bar copper bars；The high pressure copper bar with
Corresponding high-voltage line is packed into the DC charging socket after being welded to connect and is bolted with corresponding HV Terminal.
Further, the national standard charging interface includes mounting flange, positioned at the mounting flange front charging interface with
National standard is consistent, and low-voltage terminal mounting hole, HV Terminal mounting hole are provided on the boss at the mounting flange rear portion
With installation positioning screw hole；Clamping structure I is additionally provided in the boss side surfaces to connect to be clamped with the socket；The boss
Using multistage radial seal structure sealing between the socket.
Further, the sealing structure cooperated with charging gun is equipped with inside the charging interface of the national standard charging interface to ensure
Waterproof performance after plugging in rifle, the sealing structure is using multistage radial seal structure.
Further, the socket is the shell structure of upper and lower ends opening；It is provided on the side wall of the socket
High-voltage wiring harness entrance and low-voltage signal plug-in unit installing port are additionally provided with clamping knot in side on the side wall of the high-voltage wiring harness entrance
Structure with the envelope line tail-hood to connect；Clamping structure and lower card are also respectively provided on the upper and lower ends side wall of the socket
Binding structure with the rear cover and the national standard charging interface to connect respectively；The socket is internally provided with circuit board installation
Plate, be provided on the circuit board mounting plate fixing threaded hole with the installation positioning screw hole, described on the national standard charging interface
Fixation hole cooperation on integrated circuit board.
Further, the low-voltage signal plug-in unit is installed outward by the inside of the socket, the low-voltage signal plug-in unit with
It is provided with gasket between the low-voltage signal plug-in unit installing port and is fixedly connected using external urgent bolt.
Further, the integrated circuit board includes pcb board and high-voltage line shielded layer connecting interface；On the pcb board, connect
Place is connected to the PE point of the pcb board from PE shielded layer tie point, and connects PE point and DC- shielded layer access point, DC+ shielding
Layer access point；1000 Ω resistance are accessed between PE point and CC1；The low-voltage signal plug-in unit passes through cable socket and the pcb board
On printed circuit connection；Temperature sensor RT1, RT2 are welded on the pcb board and are believed by printed circuit and the low pressure
The connection of number plug-in unit.
Further, the envelope line tail-hood includes envelope line tail-hood ontology, between the envelope line tail-hood ontology and the socket
By sealing tailgate and grommet sealing, it is provided with grommet location structure on the sealing tailgate, is arranged on the grommet
There is high-voltage line via hole；The side on clamping structure and the high-voltage wiring harness entrance side wall is additionally provided on the envelope line tail-hood ontology
Clamping structure cooperation.
Further, the socket, rear cover, national standard charging interface, interior isolation board are molded respectively, and material is equal
For 20% glass fiber reinforcement PA6.
The pure electric automobile is had the advantages that with DC charging socket
(1) in the present invention, using integrated circuit board, production technology is simplified, optimizes internal space, so that DC charging is inserted
The built-in electrical insulation performance of seat is relatively reliable, so that the assembly of DC charging socket is simpler, quick, so that DC charging socket
Low-profile is suitble to vehicle space layout and easily assembly.
(2) present invention mainly use 5 seal structures, respectively inside national standard charging interface, national standard charging interface with
Between socket, between socket and rear cover, between socket and low-voltage signal plug-in unit, between socket and sealing tail-hood.It fills
The sealing structure of socket and charging gun is equipped with inside electrical interface, it is ensured that the waterproof performance after plugging in rifle.Charging interface and socket
Between design have sealing structure, using radial multi-stage sealing reach required sealing effect；Sealing is equipped between socket and rear cover
Structure, radial multi-stage sealing reach required sealing effect；Between socket and low-voltage signal plug-in unit, using end face seal, pass through
Bolt compresses sealing rubber pad is beaten, required sealing effect is reached；Pass through sealing tailgate and envelope line between socket and sealing tail-hood
Body sealing, realizes the sealing between high-voltage line and socket.By above 5 sealing, so that charging socket is whole, have in design
There is the ability for reaching that waterproofing grade is IP67.
(3) in the present invention, interior isolation board and after cover the setting of isolation structure, the high-low circuit inside socket is carried out
It is completely isolated, improve the reliability and independence of socket internal circuit.
(4) material of main part of the invention uses 20% glass fiber reinforcement PA6 plastic insulation material, molding mode
Simply, cost is cheaper after volume production.
(5) in the present invention, charging interface belongs to national regulations interface, and interface and shape are designed in strict accordance with national regulations；
Socket is using being integrally formed, and with there are two types of the connection types of other component, screw connection is connect with clamping structure, assembly side
Just.
Detailed description of the invention
Fig. 1: the structural schematic diagram of pure electric automobile DC charging socket in embodiment of the present invention；
Fig. 2: the explosive view of pure electric automobile DC charging socket in embodiment of the present invention；
Fig. 3: the structural schematic diagram of national standard charging interface in embodiment of the present invention；
Fig. 4: the structural schematic diagram of socket in embodiment of the present invention；
Fig. 5: the structural schematic diagram of integrated circuit board in embodiment of the present invention；
Fig. 6: the schematic diagram of printed circuit in embodiment of the present invention；
Fig. 7: the structural schematic diagram of embodiment of the present invention mesohigh copper bar；
Fig. 8: the structural schematic diagram (front) of interior isolation board in embodiment of the present invention；
Fig. 9: the structural schematic diagram (reverse side) of interior isolation board in embodiment of the present invention；
Figure 10: the structural schematic diagram of rear cover in embodiment of the present invention；
Figure 11: the installation sealing structure schematic diagram of line tail-hood is sealed in embodiment of the present invention.
Description of symbols:
1-national standard charging interface；11-mounting flanges；12-clamping structures I；13-low-voltage terminal mounting holes；14-high-voltage ends
Sub- mounting hole；15-installation positioning screw holes；2-vehicle high voltage interfaces；21-HV Terminals；3-vehicle low-voltage signal interfaces；
31-low-voltage signal plug-in units；32-low-voltage terminals；4-sockets；41-lower clamping structures；42-upper clamping structures；43-is high
Crimping beam entrance；44-side clamping structures；45-low-voltage signal plug-in unit installing ports；46-circuit board mounting plates；5-integrated electricity
Road plate；51-fixation holes；52-HV Terminal via holes I；53-pcb boards；531-cable sockets；The connection of 532-PE shielded layers
Point；533-DC- shielded layer access points；534-DC+ shielded layer access points；535-resistance；54-high-voltage line shielded layers connect
Mouthful；6-high pressure copper bars；61-DC- copper bars；62-DC+ copper bars；63-PE copper bars；7-interior isolation boards；71-HV Terminal mistakes
Hole II；72-high-voltage line shielded layers connect via hole；73-installation fixation holes；8-rear covers；81-clamping structures II；82-isolation
Structure；83-seal grooves；9-envelope line tail-hoods；91-envelope line tail-hood ontologies；92-grommets；921-high-voltage line via holes；93—
Seal tailgate；931-grommet location structures；10-sealing rings.
Specific embodiment
With reference to the accompanying drawing, the present invention will be further described:
Fig. 1 to Figure 11 shows a kind of specific embodiment of pure electric automobile DC charging socket of the present invention.Fig. 1 and Fig. 2
It is the structural schematic diagram of pure electric automobile DC charging socket in present embodiment；Fig. 3 is that national standard charges in present embodiment
The structural schematic diagram of interface；Fig. 4 is the structural schematic diagram of socket in present embodiment；Fig. 5 and Fig. 6 is collected in present embodiment
At the structural schematic diagram of circuit board；Fig. 7 is the structural schematic diagram of present embodiment mesohigh copper bar；Fig. 8 and Fig. 9 is this embodiment party
The structural schematic diagram of interior isolation board in formula；Figure 10 is the structural schematic diagram of rear cover in present embodiment；Figure 11 is present embodiment
The installation sealing structure schematic diagram of middle envelope line tail-hood.
As depicted in figs. 1 and 2, the pure electric automobile DC charging socket in present embodiment, the DC charging are inserted
National standard charging interface 1, vehicle high voltage interface 2 and vehicle low-voltage signal interface 3 are provided on seat；The DC charging socket includes
One end of socket 4, socket 4 is tightly connected national standard charging interface 1, and the other end is sealedly connected with rear cover 8；It is set in socket 4
It is equipped with integrated circuit board 5, low-voltage terminal 32 is fixedly mounted on integrated circuit board 5, low-voltage signal plug-in unit 31 and integrated circuit board 5
On circuit connection and stretch out 4 sidewall profile of socket into vehicle low-voltage signal interface 3；21 one end of HV Terminal is fixed on national standard
In HV Terminal mounting hole 14 on charging interface 1, the other end passes through integrated circuit board 5 and connect with high pressure copper bar 6, socket 4
High-voltage wiring harness entrance 43 is provided on the side side wall of HV Terminal 21 to form vehicle high voltage interface 2, vehicle high pressure
Envelope line tail-hood 9 is provided at interface 2.
Preferably, interior isolation board 7 is additionally provided between rear cover 8 and socket 4 to be isolated inside the DC charging socket
High and low pressure circuit；High pressure copper bar 6 is arranged between rear cover 8 and interior isolation board 7, as shown in Figure 2.
Preferably, HV Terminal via hole II 71, high-voltage line shielded layer connection via hole 72 and installation are provided on interior isolation board 7
Fixation hole 73；Interior isolation board 7 is fixed on socket 4 by installing fixation hole 73, as shown in Fig. 2, Fig. 8, Fig. 9.The present embodiment
In, the periphery of interior isolation board 7 is additionally provided with vertical plate to play better isolation effect.
In the present embodiment, interior isolation board 7 is designed by structure using being integrally formed, is mounted on socket 4 and cooperates rear cover
8, the high-low circuit progress inside socket is completely isolated, to improve the reliability and independence of socket internal circuit.Pass through
Interior isolation board 7, integrated circuit board 5 are fixed on socket 4 by three screw holes, and are designed by the structure of HV Terminal via hole,
HV Terminal 21 is fixed on inside socket, so that whole structure is relatively reliable.
Preferably, isolation structure 82 and seal groove 83 are provided on rear cover 8, seal groove 83 is provided with multistage radial direction seal ring
10；The circumferential periphery of rear cover 8 is additionally provided with clamping structure II 81 and is connected with being clamped with socket 4, as shown in Figure 10.The present embodiment
In, isolation structure 82 is partition, and each high pressure copper bar is kept apart.Rear cover 8 using be integrally formed, by structure design have every
From structure 82, clamping structure, sealing structure, solve the relevant issues such as assembly, high and low voltage isolation, the waterproof performance of socket.Every
Pass through the cooperation with interior isolation board 7 and socket 4, completely isolated hi-lo circuit, so that whole system is more reliable from structure.It is close
Sealing groove is provided with radial multi-stage sealing ring, so that tail portion has preferable waterproof performance.
In the present embodiment, high pressure copper bar 6 includes PE copper bar 63,61 3 DC+ copper bar 62, DC- copper bar copper bars；High pressure copper bar
6 be welded to connect with corresponding high-voltage line after be packed into the DC charging socket and be bolted with corresponding HV Terminal 21, such as Fig. 2
With shown in Fig. 7.In the present embodiment, high pressure copper bar 6 is integrally formed using punching press.
Preferably, national standard charging interface 1 includes mounting flange 11, charging interface and national standard positioned at 11 front of mounting flange
It is consistent, low-voltage terminal mounting hole 13,14 and of HV Terminal mounting hole is provided on the boss at 11 rear portion of mounting flange
Positioning screw hole 15 is installed；Clamping structure I 12 is additionally provided in boss side surfaces to connect to be clamped with socket 4；Boss and socket 4
Between using multistage radial seal structure sealing, as shown in Figures 2 and 3.In the present embodiment, national standard charging interface 1 is using one
Molding, low-voltage terminal mounting hole 13, HV Terminal mounting hole 14 are counterbore, facilitate the positioning and installation of terminal, low-voltage terminal
With positioning in 32 one end insertion low-voltage terminal mounting hole 13.Using installation clamping structure, so that the assembly of charging socket is more
It is efficient and convenient.
Preferably, the sealing structure cooperated with charging gun is equipped with inside the charging interface of national standard charging interface 1 to ensure to insert
Waterproof performance after rifle, the sealing structure is using multistage radial seal structure.
Preferably, socket 4 is the shell structure of upper and lower ends opening；High-voltage line is provided on the side wall of socket 4
Beam entrance 43 and low-voltage signal plug-in unit installing port 45 are additionally provided with side clamping structure 44 on the side wall of high-voltage wiring harness entrance 43
To be connect with envelope line tail-hood 9；Clamping structure 42 and lower clamping structure are also respectively provided on the upper and lower ends side wall of socket 4
41 with rear cover 8 and national standard charging interface 1 to connect respectively；Socket 4 is internally provided with circuit board mounting plate 46, circuit board peace
Be provided in loading board 46 fixing threaded hole with the installation positioning screw hole 15 on national standard charging interface 1, the fixation on integrated circuit board 5
Hole 51 cooperates, as shown in Figure 2 and Figure 4.
In the present embodiment, low-voltage signal plug-in unit 31 is installed outward by the inside of socket 4, low-voltage signal plug-in unit 31 and low pressure
It is provided with gasket between signal plug-in unit installing port 45 and is fixedly connected using external urgent bolt.
In the present embodiment, high-voltage wiring harness entrance 43 is divided into multiple harness channels by partition, as shown in Figure 2 and Figure 4.
Preferably, integrated circuit board 5 includes pcb board 53 and high-voltage line shielded layer connecting interface 54；On pcb board 53, ground connection
Point is connected to the PE point of pcb board 53 from PE shielded layer tie point 532, and connects PE point and DC- shielded layer access point 533, DC+ screen
Cover layer access point 534；1000 Ω resistance 535 are accessed between PE point and CC1；Low-voltage signal plug-in unit 31 by cable socket 531 with
Printed circuit connection on pcb board 53；Temperature sensor RT1, RT2 are welded on pcb board 53 and by printed circuit and low pressure
Signal plug-in unit 31 connects, as shown in Figure 5 and Figure 6.
In the present embodiment, integrated circuit board 5 is by pcb board 53, high-voltage line shielded layer connecting interface 54(single line interface) group
At and connect low-voltage terminal 32 and low-voltage signal plug-in unit 32.Relevant appliance component is welded on pcb board 53, on pcb board 53
Each interface and related component pass through printed circuit and connect.High-voltage line shielded layer connecting interface 54 passes through grafting single low pressure
Line connection fast charge high-voltage line shielded layer (low-voltage line and high-voltage line shielded layer pass through welded connecting).Low-voltage terminal 32 passes through welding,
It is fixedly mounted on pcb board 53.Low-voltage signal plug-in unit 31 passes through the circuit connection of low pressure cable socket 531 and pcb board 53.It uses
Integrated circuit board simplifies production technology, internal space is optimized, so that the built-in electrical insulation performance of DC charging socket is more
Reliably, so that the assembly of DC charging socket is simpler, quick.
Preferably, envelope line tail-hood 9 includes envelope line tail-hood ontology 91, is sealed between line tail-hood ontology 91 and socket 4 by close
Sealing plate 93 and grommet 92 seal, and seal and are provided with grommet location structure 931 on tailgate 93, are provided with height on grommet 92
Crimping via hole 921；The side being additionally provided on clamping structure and 43 side wall of high-voltage wiring harness entrance on envelope line tail-hood ontology 91 is clamped
Structure 44 cooperates, as shown in figs. 2 and 11.Tail-hood ontology 1, envelope line tailgate 93, rubber grommet 92 are sealed, charging is collectively formed
The installation and sealing structure of socket high-voltage terminal position.Grommet location structure 931 is provided on sealing tailgate 93, it is ensured that envelope line
The position of body is correct, is unlikely to deform, and increases tail portion waterproof reliability.Tail-hood ontology 91 is sealed using integrated molding.
In the present embodiment, grommet location structure 931 is a cross convex ribs, is cooperated with the corresponding recesses on grommet 92
Positioning, as shown in figure 11.
In the present embodiment, socket 4, rear cover 8, national standard charging interface 1, interior isolation board 7 and envelope line tail-hood ontology 91 are distinguished
It is molded, material is 20% glass fiber reinforcement PA6.
In the present invention, using integrated circuit board, production technology is simplified, internal space is optimized, so that DC charging
The built-in electrical insulation performance of socket is relatively reliable, so that the assembly of DC charging socket is simpler, quick, so that DC charging is inserted
Seat low-profile is suitble to vehicle space layout and easily assembly.
The present invention mainly uses 5 seal structures, respectively inside national standard charging interface, national standard charging interface and socket
Between body, between socket and rear cover, between socket and low-voltage signal plug-in unit, between socket and sealing tail-hood.Charging
The internal sealing structure for being equipped with socket and charging gun of mouth, it is ensured that the waterproof performance after plugging in rifle.Between charging interface and socket
Design has sealing structure, reaches required sealing effect using radial multi-stage sealing；Sealing structure is equipped between socket and rear cover,
Radial multi-stage sealing reaches required sealing effect；Between socket and low-voltage signal plug-in unit, using end face seal, by playing bolt
Compression seal rubber pad reaches required sealing effect；It is sealed between socket and sealing tail-hood by sealing tailgate and grommet,
Realize the sealing between high-voltage line and socket.Have reach in design so that charging socket is whole by above 5 sealing
Waterproofing grade is the ability of IP67.
In the present invention, interior isolation board and after cover the setting of isolation structure, the high-low circuit inside socket has been carried out
Full isolation, improves the reliability and independence of socket internal circuit.
The material of main part of the invention uses 20% glass fiber reinforcement PA6 plastic insulation material, molding mode letter
Single, cost is cheaper after volume production.
In the present invention, charging interface belongs to national regulations interface, and interface and shape are designed in strict accordance with national regulations；Socket
Body is using being integrally formed, and with there are two types of the connection types of other component, screw connection is connect with clamping structure, easy to assembly.
Above in conjunction with attached drawing, an exemplary description of the invention, it is clear that realization of the invention is not by aforesaid way
Limitation, as long as use the inventive concept and technical scheme of the present invention carry out various improvement, or it is not improved will be of the invention
Conception and technical scheme directly apply to other occasions, be within the scope of the invention.
Claims (12)
1. a kind of pure electric automobile DC charging socket, which is characterized in that be provided with national standard on the DC charging socket and fill
Electrical interface, vehicle high voltage interface and vehicle low-voltage signal interface；
The DC charging socket includes socket, and one end of the socket is sealedly connected with the national standard charging interface, separately
One end is sealedly connected with rear cover；Integrated circuit board is provided in the socket, low-voltage terminal is fixedly mounted on the integrated electricity
On the plate of road, low-voltage signal plug-in unit and the circuit connection on the integrated circuit board simultaneously stretch out the socket sidewall profile at described
Vehicle low-voltage signal interface；HV Terminal one end is fixed in the HV Terminal mounting hole on the national standard charging interface, another
End is connect across the integrated circuit board with high pressure copper bar, and the socket is arranged on the side side wall of the HV Terminal
There is high-voltage wiring harness entrance to form the vehicle high voltage interface, envelope line tail-hood is provided at the vehicle high voltage interface.
2. pure electric automobile DC charging socket according to claim 1, which is characterized in that the rear cover and it is described insert
Interior isolation board is additionally provided between pedestal so that the high and low pressure circuit inside the DC charging socket is isolated；The high pressure copper bar
It is arranged between the rear cover and the interior isolation board.
3. pure electric automobile DC charging socket according to claim 2, which is characterized in that set on the interior isolation board
It is equipped with HV Terminal via hole II, high-voltage line shielded layer connection via hole and installation fixation hole；The interior isolation board passes through the installation
Fixation hole is fixed on the socket.
4. pure electric automobile DC charging socket according to claim 1,2 or 3, which is characterized in that covered after described
It is provided with isolation structure and seal groove, the seal groove is provided with multistage radial direction seal ring；The circumferential periphery of the rear cover is also set
Clamping structure II is equipped with to connect to be clamped with the socket.
5. pure electric automobile DC charging socket according to any one of claims 1 to 4, which is characterized in that the high pressure
Copper bar includes three PE copper bar, DC+ copper bar, DC- copper bar copper bars；The high pressure copper bar fills after being welded to connect with corresponding high-voltage line
Enter the DC charging socket to be bolted with corresponding HV Terminal.
6. pure electric automobile DC charging socket according to any one of claims 1 to 5, which is characterized in that the national standard
Charging interface includes mounting flange, and the charging interface positioned at the mounting flange front is consistent with national standard, is located at institute
It states and is provided with low-voltage terminal mounting hole, HV Terminal mounting hole and installation positioning screw hole on the boss at mounting flange rear portion；It is described
Clamping structure I is additionally provided in boss side surfaces to connect to be clamped with the socket；It is adopted between the boss and the socket
It is sealed with multistage radial seal structure.
7. pure electric automobile DC charging socket according to any one of claims 1 to 6, which is characterized in that the national standard
The sealing structure cooperated with charging gun is equipped with inside the charging interface of charging interface to ensure to insert the waterproof performance after rifle, the sealing
Structure is using multistage radial seal structure.
8. pure electric automobile DC charging socket according to any one of claims 1 to 7, which is characterized in that the socket
Body is the shell structure of upper and lower ends opening；High-voltage wiring harness entrance and low-voltage signal are provided on the side wall of the socket
Plug-in unit installing port is additionally provided with side clamping structure to connect with the envelope line tail-hood on the side wall of the high-voltage wiring harness entrance；
Be also respectively provided on the upper and lower ends side wall of the socket clamping structure and lower clamping structure with respectively with the rear cover
It is connected with the national standard charging interface；The socket is internally provided with circuit board mounting plate, on the circuit board mounting plate
Fixing threaded hole is provided with to match with the installation positioning screw hole on the national standard charging interface, the fixation hole on the integrated circuit board
It closes.
9. pure electric automobile DC charging socket according to any one of claims 1 to 8, which is characterized in that the low pressure
It is provided with gasket between signal plug-in unit and the low-voltage signal plug-in unit installing port and is fixedly connected using external urgent bolt.
10. pure electric automobile DC charging socket according to any one of claims 1 to 9, which is characterized in that described integrated
Circuit board includes pcb board and high-voltage line shielded layer connecting interface；On the pcb board, grounding point is connected from PE shielded layer tie point
The extremely PE point of the pcb board, and connect PE point and DC- shielded layer access point, DC+ shielded layer access point；PE point and CC1 are indirectly
Enter 1000 Ω resistance；The low-voltage signal plug-in unit is connect by cable socket with the printed circuit on the pcb board；Temperature sensing
Device RT1, RT2 are welded on the pcb board and are connect by printed circuit with the low-voltage signal plug-in unit.
11. pure electric automobile DC charging socket according to any one of claims 1 to 10, which is characterized in that the envelope
Line tail-hood includes envelope line tail-hood ontology, close by sealing tailgate and grommet between the envelope line tail-hood ontology and the socket
It seals, is provided with grommet location structure on the sealing tailgate, high-voltage line via hole is provided on the grommet；The envelope line tail
The side clamping structure being additionally provided on clamping structure and the high-voltage wiring harness entrance side wall on lid ontology cooperates.
12. pure electric automobile DC charging socket according to any one of claims 1 to 11, which is characterized in that described to insert
Pedestal, rear cover, national standard charging interface, interior isolation board are molded respectively, and material is 20% glass fiber reinforcement PA6.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910554220.1A CN110289519B (en) | 2019-06-25 | 2019-06-25 | Direct current charging socket for pure electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910554220.1A CN110289519B (en) | 2019-06-25 | 2019-06-25 | Direct current charging socket for pure electric vehicle |
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| CN110289519A true CN110289519A (en) | 2019-09-27 |
| CN110289519B CN110289519B (en) | 2021-01-05 |
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| CN201910554220.1A Active CN110289519B (en) | 2019-06-25 | 2019-06-25 | Direct current charging socket for pure electric vehicle |
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| CN110994234A (en) * | 2019-12-23 | 2020-04-10 | 奇瑞新能源汽车股份有限公司 | DC charging seat for new energy automobile |
| EP3930105A1 (en) * | 2020-06-23 | 2021-12-29 | TE Connectivity Germany GmbH | High-current contact device and method for producing a high-current contact device |
| CN115817229A (en) * | 2022-12-19 | 2023-03-21 | 东莞市巴特新能源科技有限公司 | All-in-one AC charging gun |
| DE102022100403A1 (en) | 2022-01-10 | 2023-07-13 | HARTING Automotive GmbH | Process for producing an inlet, inlet and multi-contact plug |
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| EP2279893A3 (en) * | 2009-08-01 | 2017-05-03 | Abb Ag | Charging socket for charging an electric car with means for communicating between charging socket and vehicle |
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| DE102022100403A1 (en) | 2022-01-10 | 2023-07-13 | HARTING Automotive GmbH | Process for producing an inlet, inlet and multi-contact plug |
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|---|---|
| CN110289519B (en) | 2021-01-05 |
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