CN107680730A - DC charging wire harness, electrical connection module and charging port component - Google Patents
DC charging wire harness, electrical connection module and charging port component Download PDFInfo
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- CN107680730A CN107680730A CN201710904059.7A CN201710904059A CN107680730A CN 107680730 A CN107680730 A CN 107680730A CN 201710904059 A CN201710904059 A CN 201710904059A CN 107680730 A CN107680730 A CN 107680730A
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- power cable
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- 239000004020 conductor Substances 0.000 claims description 65
- 238000002788 crimping Methods 0.000 claims description 16
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 12
- 229910052709 silver Inorganic materials 0.000 claims description 12
- 239000004332 silver Substances 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 55
- 229910052802 copper Inorganic materials 0.000 description 55
- 239000010949 copper Substances 0.000 description 55
- 238000005516 engineering process Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 244000299452 Gouania lupuloides Species 0.000 description 2
- 235000000292 Gouania lupuloides Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/006—Constructional features relating to the conductors
-
- 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
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
- H01B9/028—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients with screen grounding means, e.g. drain wires
-
- 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
- H01R13/02—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
- H01R13/02—Contact members
- H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The embodiment of the invention discloses a kind of DC charging wire harness, electrical connection module and charging port component, wherein, above-mentioned DC charging wire harness can include：Two direct-flow positive pole power cables in parallel and two direct current negative pole power cables in parallel.By the way that the power cable of DC charging wire harness is arranged into two direct-flow positive pole power cables in parallel and two direct current negative pole power cables in parallel, so that above-mentioned DC charging wire harness has, it is the single power cable of the cross section sum of above-mentioned two parallel power cables as direct-flow positive pole power cable or direct current negative pole power cable compared to cross-sectional area is used, higher specified charging current can be carried, and can ensure that charging gun wire harness external diameter is less than above-mentioned single power cable as direct-flow positive pole power cable or the DC charging wire harness of direct current negative pole power cable.
Description
Technical field
The invention belongs to high power DC charging technique field, more particularly to a kind of DC charging wire harness, electrical connection module
With charging port component.
Background technology
The continuous progress of clean energy technology, cause demand and require to improve constantly that people charge to high power DC.
For example, in electric automobile field, the course continuation mileage of electric automobile is continuously increased, electric powered motor accumulators store
Electricity also necessarily increase, this certainly will propose higher requirement to charging rate.The power output of DC charging equipment is current
Under the technical background of power electronics, it is easy to realize, so in addition to battery technology bottleneck, another restricts the skill of charging rate
Art problem is exactly high power DC charge connector technology, for example, charging gun technology.
The high power DC charging gun wire harness of existing national standard interface is entirely to use skill of the unit cable as power cable
Art scheme.The charging gun wire harness is the multicore cable direct current being connected between DC charging pipette tips and DC charging equipment just (negative)
Pole cable, transmitted for power transmission and signal.
In order to increase the maximum rated current of charging gun carrying, power cable leads typically in use increase charging gun wire harness
The mode of body section product.For example, the existing cross-sectional area for using single power conductors is 70mm2Power cable charging gun
Wire harness, the rated current that its maximum can accomplish only have 250A, and charging gun wire harness external diameter has about but reached 42mm, and charging gun wire harness is stiff
Firmly, it is unfavorable for the plug charging gun operation carried out in charging process.The existing cross-sectional area for using single power conductors for
95mm2And the charging gun wire harness of the power cable of the above, though the rated current that its maximum can accomplish can reach 300A, charging gun line
Beam external diameter has about but reached 47mm, and charging gun wire harness is more stiff, is more unfavorable for the plug charging gun carried out in charging process
Operation, and can cause the increase of charging gun wire harness weight, and the wherein increase of copper consumption, can directly result in charging gun wire harness into
This increase.
The content of the invention
The embodiments of the invention provide a kind of DC charging wire harness, electrical connection module and charging port component, can protect
On the premise of the certain specified charging current of card, the external diameter and copper consumption of DC charging wire harness are reduced, and then solve DC charging
The problem of wire harness is stiff, while reduce the cost of DC charging wire harness.
In a first aspect, the embodiments of the invention provide a kind of DC charging wire harness, can include：
Two direct-flow positive pole power cables in parallel and two direct current negative pole power cables in parallel.
In the first possible implementation of first aspect, one end of above-mentioned direct-flow positive pole power cable is used for and confession
The direct-flow positive pole of electric installation output end is connected；One end of above-mentioned direct current negative pole power cable is used for and electric supply installation output end
Direct current negative pole is connected.
In second of possible implementation of first aspect, one end of above-mentioned direct-flow positive pole power cable is used to pass through
Electrical connection module is connected with the power input of charging port component；One end of above-mentioned direct current negative pole power cable is used to lead to
The power input that electrical connection module is crossed with charging port component is connected.
In the third possible implementation of first aspect, the DC charging wire harness can also include：
Two ground wires in parallel.
In the 4th kind of possible implementation of first aspect, above-mentioned direct-flow positive pole power cable in parallel and it is above-mentioned simultaneously
The cross-sectional area of each power conductors in the direct current negative pole power cable of connection is identical.
In the 5th kind of possible implementation of first aspect, above-mentioned direct-flow positive pole power cable in parallel and it is above-mentioned simultaneously
The cross-sectional area of each power conductors in the direct current negative pole power cable of connection is 35mm2Or 50mm2。
Second aspect, the embodiments of the invention provide a kind of electrical connection module, can include：
Ring interface, the ring interface are arranged on one end of the electrical connection module, for connecting above-mentioned DC charging
Two direct-flow positive pole power cables in parallel of wire harness or above-mentioned two direct current negative pole power cables in parallel.
In the first possible implementation of second aspect, above-mentioned electrical connection module, it can also include：
Silver coating, the silver coating are arranged on the outer surface of the other end of above-mentioned electrical connection module, wherein, the thickness of the silver coating
Degree can be 8 μm to 12 μm.
In second of possible implementation of second aspect, the thickness of the silver coating can be 10 μm.
In the third possible implementation of second aspect, above-mentioned ring interface and above-mentioned two direct currents in parallel are just
Pole power cable or above-mentioned two direct current negative pole power cables in parallel are engaged, and the cross section of above-mentioned ring interface is oval
Shape.
In the 4th kind of possible implementation of second aspect, above-mentioned ring interface and the upper direct-flow positive pole in parallel
Power cable or above-mentioned direct current negative pole power cable crimping in parallel are connected.
In the 5th kind of possible implementation of second aspect, the cross section of the ring interface after crimping is the two of parallel connection
The junction of individual power cable extends internally forming V-shape.
The third aspect, the embodiments of the invention provide a kind of charging port component, the power input of the charging port component
Interface is connected with above-mentioned electrical connection module.
In the first possible implementation of the third aspect, the power input of above-mentioned charging port component passes through
Above-mentioned electrical connection module is connected with above-mentioned DC charging wire harness.
A kind of DC charging wire harness, electrical connection module and the charging port component provided according to embodiments of the present invention, passes through
The power cable of DC charging wire harness is arranged to two direct-flow positive pole power cables in parallel and two direct current negative poles in parallel
Power cable so that above-mentioned DC charging wire harness has, compared to using horizontal stroke of the cross-sectional area for above-mentioned two parallel power cables
The single power cable of section sum can carry higher volume as direct-flow positive pole power cable or direct current negative pole power cable
Determine charging current, and can ensure charging gun wire harness external diameter be less than above-mentioned single power cable as direct-flow positive pole power cable or
The DC charging wire harness of direct current negative pole power cable.
It is understood that above-mentioned DC charging wire harness is under the premise of the power conductors copper consumption identical of power cable,
Higher specified charging current can be carried, reduces the external diameter of DC charging wire harness and stiff degree.
Accordingly, it is possible to understand that be that above-mentioned DC charging wire harness can carry the premise of higher specified charging current
Under, the power conductors copper consumption of power cable can be saved, i.e., can save the cost of DC charging wire harness, further reduce straight
The external diameter of current charge wire harness and stiff degree.
It is corresponding, it is necessary to supported the use with above-mentioned DC charging wire harness, the electrical connection module that is directly or indirectly connected and
Charging port component, and its enlargement technology can also have above-mentioned technique effect.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, it will make below to required in the embodiment of the present invention
Accompanying drawing is briefly described, it should be apparent that, drawings described below is only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the schematic structure sketch of the DC charging wire harness of an embodiment of the present invention；
Fig. 2 is the schematic structure sketch of the DC charging wire harness of another embodiment of the present invention；
Fig. 3 is the schematic structure sketch of the DC charging wire harness of another embodiment of the invention；
Fig. 4 is the schematic structure sketch of the electrical connection module of an embodiment of the present invention；
Fig. 5 is the sectional view of the electrical connection module of an embodiment of the present invention；
Fig. 6 is the ring interface sectional view of the electrical connection module of an embodiment of the present invention；
Fig. 7 is the schematic structure sketch after the electrical connection module crimping of an embodiment of the present invention；
Fig. 8 is the sectional view after the electrical connection module crimping of an embodiment of the present invention；
Fig. 9 is the ring interface sectional view after the electrical connection module crimping of an embodiment of the present invention；
Figure 10 is the three-dimensional schematic structure sketch after the electrical connection module crimping of an embodiment of the present invention；
Figure 11 is the electrical connection diagram of the charging port component of an embodiment of the present invention；
Figure 12 is the electrical connection diagram of the charging port component of another embodiment of the present invention.
Embodiment
The feature and exemplary embodiment of various aspects of the invention is described more fully below.In following detailed description
In, it is proposed that many details, to provide complete understanding of the present invention.But to those skilled in the art
It will be apparent that the present invention can be implemented in the case of some details in not needing these details.Below to implementing
The description of example is used for the purpose of by showing that the example of the present invention is better understood to provide to the present invention.In accompanying drawing and following
Description in, at least part of known features and technology are not illustrated, unnecessary fuzzy to avoid causing the present invention；
Also, in order to clear, it may be exaggerated the size of part-structure.Identical reference represents same or similar knot in figure
Structure, thus their detailed description will be omitted.In addition, feature described below, structure or characteristic can be with any suitable
Mode be incorporated in one or more embodiments.
The noun of locality of middle appearance described below is the direction shown in figure, is not the DC charging line to the present invention
The concrete structure of beam, electrical connection module and charging port component is defined.In the description of the invention, it is also necessary to explanation
It is that unless otherwise clearly defined and limited, term " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be
It is fixedly connected or is detachably connected, or is integrally connected；Can be joined directly together, can also be indirectly connected.For this
For the those of ordinary skill in field, visual concrete condition understands the concrete meaning of above-mentioned term in the present invention.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
Unless specifically stated otherwise, the part and positioned opposite, the digital table of step otherwise illustrated in these embodiments
Do not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for the ease of description, each portion shown in accompanying drawing
The size divided not is to be drawn according to the proportionate relationship of reality.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, the technology, method and apparatus should be considered as authorizing explanation
A part for book.In shown here and discussion all examples, any occurrence should be construed as merely exemplary, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：Similar label
Similar terms is represented in following accompanying drawing with letter, therefore, once it is defined in a certain Xiang Yi accompanying drawing, then subsequent attached
It need not be further discussed in figure.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Embodiment is described in detail below with reference to the accompanying drawings.
In the prior art, what the specification of electric wire was commonly used in the world has three standards：It is (AWG) standard made in U.S.A, English respectively
(CWG) standard that (SWG) standard of system and China use.Conventional techniques term in electric wire square number art technology, it is country
A nominal value as defined in standard, user can select electric wire nominal value according to the load of electric wire.That often says is several
Square electric wire is not plus unit, it can be understood as square millimeter.What the square number of cable actually represented is cable conductor
The area of cross-sectional area, i.e. electric wire circular cross section, unit are square millimeter.Such as：2.5mm2The diameter of cable can be carried out
Derive below：2.5 ÷ 3.14=0.8, then evolution are approximately equal to 0.9mm, therefore 2.5mm2The line conductor diameter of cable is approximately equal to：2
× 0.9mm=1.8mm.
Existing charging gun wire harness generally uses the cross-sectional area of single power conductors as 70mm2Power cable fill
The charging gun wire harness of electric rifle wire harness or the power cable of single 95 side,
Wherein, the cross-sectional area of single power conductors is used as 70mm2Power cable charging gun wire harness, its maximum energy
The rated current accomplished only has 250A, and charging gun wire harness external diameter has about but reached 42mm, and charging gun wire harness is stiff, is unfavorable for charging
During carry out plug charging gun operation.
Wherein, the cross-sectional area of single power conductors is used as 95mm2And the charging gun wire harness of the power cable of the above, its
Though the rated current that maximum can accomplish can reach 300A, charging gun wire harness external diameter has about reached 47mm, and charging gun wire harness is more
It is stiff, more it is unfavorable for the plug charging gun operation carried out in charging process, and the increase of charging gun wire harness weight can be caused,
And the wherein increase of copper consumption, the increase of charging gun wire harness cost can be directly resulted in.
Also, so the cross-sectional area of power conductors can influence DC charging wire harness stiffness index, if the horizontal stroke of power conductors
Sectional area is excessive, can be highly detrimental to operation of the staff to charging port component, for example, the behaviour of plug DC charging rifle
Make.
In addition, the cross-sectional area of single power conductors is 95mm2And the power cable of the above, its power cable use water cooling
But mode coordinates cooling just to can guarantee that cable normal power supply, reduces the security that such a cable uses.For example, using water cooling
But mode, it is desirable to which charging equipment needs to be equipped with water circulation system in itself, causes the increase of charging equipment cost；Using water cooling
But mode, when power cable is applied to DC charging rifle, the complex structural designs degree of DC charging pipette tips can also be caused.
Based on above mentioned problem, the embodiments of the invention provide a kind of DC charging wire harness, can ensure necessarily specified fill
On the premise of electric current, the external diameter and copper consumption of DC charging wire harness are reduced, and then solves that DC charging wire harness is stiff to ask
Topic, while reduce the cost of DC charging wire harness.
Fig. 1 is the schematic structure sketch of the DC charging wire harness of an embodiment of the present invention.It is as shown in figure 1, a kind of straight
Current charge wire harness, it can include：
Two direct-flow positive pole power cables 101 in parallel and two direct current negative pole power cables 102 in parallel.
In some instances, power cable can be the cable for being mainly used to provide electric energy in DC charging wire harness.Make
Used time, one end of above-mentioned direct-flow positive pole power cable 101 can be used for being connected with the direct-flow positive pole of electric supply installation output end；On
The one end for stating direct current negative pole power cable 102 can be used for being connected with the direct current negative pole of electric supply installation output end.
In some instances, above-mentioned electric supply installation can be a variety of charging devices that can provide electric energy, for example, electronic vapour
The charging pile of car and other electronic transit equipments；It can also be the charging device of other Large Electric equipment；Equally, also it is not excluded for
It is provided with the fixed or movable power equipment or system of above-mentioned charging pile or other charging devices.
In some instances, one end of above-mentioned direct-flow positive pole power cable 101 is used to pass through electrical connection module and charging end
The power input of mouth component is connected；One end of above-mentioned direct current negative pole power cable 102 be used for by electrical connection module with
The power input of charging port component is connected.
In some instances, above-mentioned electrical connection module can any can connect charging wire harness and charging port component simultaneously
The component that charging port component is powered, for example, above-mentioned electrical connection module can be used for connect charging gun and
The power contact pin of charging gun wire harness.
In some instances, above-mentioned charging port component can any can be electrically connected with above-mentioned DC charging wire harness
After connecing, have access in charging equipment, for the port assembly of charging equipment power supply.For example, above-mentioned charging port component can
To be the charging gun being connected for charging electric vehicle and with charging pile.
A kind of DC charging wire harness provided according to embodiments of the present invention, by the way that the power cable of DC charging wire harness is set
It is set to two direct-flow positive pole power cables in parallel and two direct current negative pole power cables in parallel.So that above-mentioned DC charging line
Beam has, straight compared to using the single power cable that cross-sectional area is the cross section sum of above-mentioned two parallel power cables to be used as
Positive pole power cable or direct current negative pole power cable are flowed, higher specified charging current can be carried, and charging gun can be ensured
Wire harness external diameter is less than above-mentioned single power cable as direct-flow positive pole power cable or the DC charging of direct current negative pole power cable
Wire harness.
It is understood that above-mentioned DC charging wire harness is under the premise of the power conductors copper consumption identical of power cable,
Higher specified charging current can be carried, reduces the external diameter of DC charging wire harness and stiff degree.
Accordingly, it is possible to understand that be that above-mentioned DC charging wire harness can carry the premise of higher specified charging current
Under, the power conductors copper consumption of power cable can be saved, i.e., can save the cost of DC charging wire harness, further reduce straight
The external diameter of current charge wire harness and stiff degree.
In some instances, the DC charging wire harness can also include：Two ground wires 103 in parallel.In other examples
In, the ground wire 103 in above-mentioned DC charging wire harness can also be a single cable.
In some instances, above-mentioned DC charging wire harness can also include what other can be connected with charging port component
Subsidiary communications and power cable.It can be itemized in follow-up embodiment, not limited herein.
In some instances, in above-mentioned direct-flow positive pole power cable in parallel and above-mentioned direct current negative pole power cable in parallel
Each power conductors cross-sectional area it is identical.
In some cases, in above-mentioned direct-flow positive pole power cable in parallel and above-mentioned direct current negative pole power cable in parallel
The cross-sectional areas of each power conductors can also be different.For example, every direct current in two direct-flow positive pole power cables in parallel
The cross-sectional area of positive pole power cable power conductors can be different.Every direct current is being just in two direct current negative pole power cables in parallel
The cross-sectional area of pole power cable power conductors can be also different.But in some cases, in parallel two direct-flow positive pole work(
The cross-sectional area sum of every direct-flow positive pole power cable power conductors and two direct current negative pole power electricity in parallel in rate cable
The cross-sectional area sum of every direct-flow positive pole power cable power conductors is identical in cable.
In some instances, it is also possible that every direct-flow positive pole power is electric in two direct-flow positive pole power cables in parallel
The cross-sectional area of cable power conductors can be with identical.Every direct-flow positive pole power cable in two direct current negative pole power cables in parallel
The cross-sectional area of power conductors can be also identical.But in some cases, it is every in parallel two direct-flow positive pole power cables
The cross-sectional area sum of root direct-flow positive pole power cable power conductors is straight with every in two direct current negative pole power cables in parallel
The cross-sectional area sum for flowing positive pole power cable power conductors is different.
It should be noted that due to above-mentioned direct-flow positive pole power cable in parallel and above-mentioned direct current negative pole power electricity in parallel
The cross-sectional area of each power conductors in cable can be a variety of sizes, so its combination can have a variety of possibility, herein not
Enumerated one by one.
In some instances, in above-mentioned direct-flow positive pole power cable in parallel and above-mentioned direct current negative pole power cable in parallel
The cross-sectional areas of each power conductors be 35mm2Or 50mm2.Below can be specific by two kinds of charging pile for electric vehicle field
Embodiment, to be illustrated to above two structure and specification DC charging wire harness.
Specific embodiment 1：
Fig. 2 is the schematic structure sketch of the DC charging wire harness of another embodiment of the present invention, as shown in Fig. 2 direct current
Charging wire harness can include：
4 35mm2Copper cable, wherein, two parallel connections are as direct-flow positive pole power cable 101, and two parallel connections are as straight in addition
Flow negative pole power cable 102.
1 16mm2Copper cable as ground wire 103.
2 2.5mm2Supply lines 104 of the copper conductor as A+/A-, wherein, A+ can be electronic just for low pressure accessory power supply
Automobile is providing low pressure accessory power supply just.A- is that low pressure accessory power supply is born, and low pressure accessory power supply can be provided for electric automobile and is born.
10 0.5mm2Other subordinate line cables 105, can include：
1 0.5mm2Copper conductor as CC1 voltage back production lines, wherein, CC1 confirms for charging connection, in charging process,
Off-board charging equipment confirms that the input voltage signal of contact carries out uninterrupted monitoring charging plug and charging socket by connecting
Connection status, once there is exception, off-board charging equipment closes dc source output immediately, and after completing to unload, disconnection is opened
Close S1.
2 0.5mm2Copper conductor is as electronic lock supply lines；
2 0.5mm2Copper conductor is as electronics lock status back production signal wire；
2 0.5mm2Copper conductor as S+/S- order wires, wherein, S+/S- order wires be used for charge communicate.
3 0.5mm2Temperature acquisition line of the copper conductor as PT1+/PT2+/Ptcom.
Above-mentioned DC charging rifle wire harness core uses 4 × 35mm2、1×16mm2、2×2.5mm2、10×0.5mm2, totally 17
Core.
With existing single 70mm2The DC charging rifle of power cable is compared, the maximum rated current of the carrying of the present embodiment
300A has been brought up to from 250A.
With existing 70mm2The DC charging rifle of power cable is compared, and the wire harness external diameter of the present embodiment is reduced to from 42mm
33mm。
Compared with the DC charging rifle of existing 300A maximum rated currents, the power conductors sectional area of the present embodiment from
95mm2It has been reduced to 70mm2。
Compared with the DC charging rifle of existing 300A maximum rated currents, the wire harness external diameter of the present embodiment is reduced to from 47mm
33mm.
Specific embodiment 2：
Fig. 3 is the schematic structure sketch of the DC charging wire harness of another embodiment of the invention, as shown in figure 3, direct current
Charging wire harness can include：
4 50mm2Copper cable, wherein, two parallel connections are as direct-flow positive pole power cable 101, and two parallel connections are as straight in addition
Flow negative pole power cable 102.
2 16mm2Copper cable as ground wire 103.
2 2.5mm2Supply lines of the copper conductor as A+/A-, wherein, A+ can be electric automobile just for low pressure accessory power supply
There is provided low pressure accessory power supply just.A- is that low pressure accessory power supply is born, and low pressure accessory power supply can be provided for electric automobile and is born.
10 0.5mm2Other subordinate line cables 105, can include：
1 0.5mm2Copper conductor as CC1 voltage back production lines, wherein, CC1 confirms for charging connection, in charging process,
Off-board charging equipment confirms that the input voltage signal of contact carries out uninterrupted monitoring charging plug and charging socket by connecting
Connection status, once there is exception, off-board charging equipment closes dc source output immediately, and after completing to unload, disconnection is opened
Close S1.
2 0.5mm2Copper conductor is as electronic lock supply lines；
2 0.5mm2Copper conductor is as electronics lock status back production signal wire；
2 0.5mm2Copper conductor as S+/S- order wires, wherein, S+/S- order wires be used for charge communicate.
3 0.5mm2Temperature acquisition line of the copper conductor as PT1+/PT2+/Ptcom.
Above-mentioned DC charging rifle wire harness core uses 4 × 35mm2、2×16mm2、2×2.5mm2、10×0.5mm2, totally 18
Core.
Compared with the DC charging rifle of existing 400A maximum rated currents, the present embodiment does not need water cooling, whole charging gun
The security of product greatly improves.
Compared with the DC charging rifle of existing 400A maximum rated currents, the present embodiment does not need complicated manufacturing process,
The cost of whole charging gun product substantially reduces.
Compared with the DC charging rifle of existing 400A maximum rated currents, the present embodiment does not need charging equipment to be equipped with water and followed
Loop system, the cost and weight of whole charging equipment have significant optimization.
Compared with the DC charging rifle of existing 400A maximum rated currents, the wire harness external diameter of the present embodiment is reduced to from 45mm
36.8mm.
According to some embodiments, above-mentioned DC charging wire harness needs by electrical connection module and charging port group when in use
Part is connected, and above-mentioned electrical connection module can be power contact pin.Fig. 4 is the signal of the electrical connection module of an embodiment of the present invention
Property structure diagram.A kind of electrical connection module, it can include：
Ring interface 201, the ring interface 201 can be arranged on one end of the electrical connection module, above-mentioned for connecting
DC charging wire harness two direct-flow positive pole power cables in parallel or above-mentioned two direct current negative pole power cables in parallel.
Fig. 5 is the sectional view of the electrical connection module of an embodiment of the present invention；
Fig. 6 is the ring interface sectional view of the electrical connection module of an embodiment of the present invention.As shown in Figure 5 and Figure 6.One
In a little examples, because ring interface 201 is power contact pin and power cable junction or is grounded contact pin and earth cable junction,
In order to be engaged with above-mentioned two direct-flow positive pole power cables in parallel or above-mentioned two direct current negative pole power cables in parallel, it is
It is easy to two direct-flow positive pole power cables in parallel or the two direct current negative pole power cables in parallel to be inserted into electrical connection module
In, and improve the radiating of power cable.The cross section of above-mentioned ring interface 201 can be with above-mentioned two direct currents in parallel just
The Long Circle that pole power cable or above-mentioned two direct current negative pole power cables in parallel are engaged.
A kind of electrical connection module provided according to embodiments of the present invention, it is connected with above-mentioned DC charging wire harness.It is above-mentioned straight
Current charge wire harness by the power cable of DC charging wire harness by being arranged to two direct-flow positive pole power cables in parallel and two
Direct current negative pole power cable in parallel.So that above-mentioned DC charging wire harness has, compared to use cross-sectional area for above-mentioned two simultaneously
Join the single power cable of the cross section sum of power cable as direct-flow positive pole power cable or direct current negative pole power cable, energy
The higher specified charging current of enough carryings, and can ensure that charging gun wire harness external diameter is less than above-mentioned single power cable as direct current
The DC charging wire harness of positive pole power cable or direct current negative pole power cable.
It is understood that above-mentioned DC charging wire harness is under the premise of the power conductors copper consumption identical of power cable,
Higher specified charging current can be carried, reduces the external diameter of DC charging wire harness and stiff degree.
Accordingly, it is possible to understand that be that above-mentioned DC charging wire harness can carry the premise of higher specified charging current
Under, the power conductors copper consumption of power cable can be saved, i.e., can save the cost of DC charging wire harness, further reduce straight
The external diameter of current charge wire harness and stiff degree.
It is corresponding, it is necessary to the electrical connection module for supporting the use, being directly or indirectly connected with above-mentioned DC charging wire harness, with
And its enlargement technology can also have above-mentioned technique effect.
In some instances, in order to reduce the caloric value of junction, the silver coating is arranged on the another of above-mentioned electrical connection module
The outer surface of one end, wherein, the thickness of the silver coating can be 8 μm to 12 μm.For example, electrical connection module is power contact pin, should
Power contact pin can use the silver-plated processing technology of red copper, and silver plating thicknesses are thickened compared with the prior art.In some examples
In, the thickness of the silver coating can be 10 μm.
In some instances, above-mentioned ring interface and the upper direct-flow positive pole power cable in parallel or above-mentioned in parallel straight
The crimping of negative pole power cable is flowed to be connected.Wherein, Fig. 7 is the schematic knot after the electrical connection module crimping of an embodiment of the present invention
Structure sketch；Fig. 8 is the sectional view after the electrical connection module crimping of an embodiment of the present invention.
In some instances, the cross section of the ring interface after crimping is inside in the junction of two power cables of parallel connection
Extend forming V-shape.Fig. 9 is the ring interface sectional view after the electrical connection module crimping of an embodiment of the present invention.Figure 10 is this hair
Three-dimensional schematic structure sketch after a kind of electrical connection module crimping of bright embodiment.As shown in Figure 9 and Figure 10, ring interface
201, it is two hexagons being connected, it can be seen that two power cables of the cross section of the ring interface after crimping in parallel connection
Junction i.e. above-mentioned two hexagon junction forming V-shape.It is the ring interface 201 of above-mentioned shape after crimping, can be with
The effectively contact area of increase power cable and ring interface, advantageously reduces electric loss of energy.
In the description of the invention, it is to be understood that the noun of locality such as " forward and backward, upper and lower, left and right ", " laterally, vertical,
Vertically, orientation or position relationship indicated by level " and " top, bottom " etc. are normally based on orientation or position shown in the drawings and closed
System, it is for only for ease of the description present invention and simplifies description, in the case where not making opposite explanation, these nouns of locality do not indicate that
There must be specific orientation with the device or element for implying meaning or with specific azimuth configuration and operation, therefore can not manage
Solve as limiting the scope of the invention；The noun of locality " inside and outside " refers to relative to inside and outside each part profile in itself.
In some instances, the cross section of the ring interface after crimping also may be used in the junction of two power cables of parallel connection
Think the other shapes for the contact area that can increase power cable and ring interface, on the premise of technique can be realized, no
It is limited.
A kind of charging port component provided according to embodiments of the present invention, is connected with above-mentioned DC charging wire harness.It is above-mentioned
DC charging wire harness by the power cable of DC charging wire harness by being arranged to two direct-flow positive pole power cables and two in parallel
Root direct current negative pole power cable in parallel.So that above-mentioned DC charging wire harness has, compared to using cross-sectional area as above-mentioned two
The single power cable of the cross section sum of parallel power cable as direct-flow positive pole power cable or direct current negative pole power cable,
Higher specified charging current can be carried, and can ensure that charging gun wire harness external diameter is less than above-mentioned single power cable as straight
Flow the DC charging wire harness of positive pole power cable or direct current negative pole power cable.
It is understood that above-mentioned DC charging wire harness is under the premise of the power conductors copper consumption identical of power cable,
Higher specified charging current can be carried, reduces the external diameter of DC charging wire harness and stiff degree.
Accordingly, it is possible to understand that be that above-mentioned DC charging wire harness can carry the premise of higher specified charging current
Under, the power conductors copper consumption of power cable can be saved, i.e., can save the cost of DC charging wire harness, further reduce straight
The external diameter of current charge wire harness and stiff degree.
It is corresponding, it is necessary to the charging port component for supporting the use with above-mentioned DC charging wire harness, being directly or indirectly connected,
And its enlargement technology can also have above-mentioned technique effect.
Figure 11 is the electrical connection diagram of the charging port component of an embodiment of the present invention.As shown in figure 11, with specific real
Exemplified by the electrical connection for applying the DC charging wire harness and charging port group in example 2.
Wherein, 4 50mm2Copper cable, color is identical two-by-two, two red, two black, two red 50mm2Copper cable with it is straight
Flow the connection of positive pin terminal, two black 50mm2Copper cable is connected with direct current negative power pin terminal；
2 16mm2Copper cable be connected with ground wire pin terminal, make yellow green according to Standard.
2 2.5mm2Copper conductor atmosphere is red and blue, wherein red 2.5mm2Copper conductor is connected with A+ pin terminals, black
Color 2.5mm2Copper conductor is connected with A- pin terminals, wherein, A+ just, it is auxiliary can to provide low pressure for low pressure accessory power supply for electric automobile
Help power supply just.A- is that low pressure accessory power supply is born, and low pressure accessory power supply can be provided for electric automobile and is born；
Remaining 10 0.5mm2The color of copper conductor is respectively red, blueness, brown, yellow, green, black, white, purple
Color, orange, grey.
1 purple 0.5mm2Copper conductor is connected with CC1 pin terminals, wherein, CC1 confirms for charging connection, charges
Cheng Zhong, off-board charging equipment confirm that the input voltage signal of contact carries out uninterrupted monitoring charging plug and charging by connecting
Socket connection status, once there is exception, off-board charging equipment closes dc source output immediately, after completing to unload, breaks
Switch S1；
1 orange and 1 black 0.5mm2Copper conductor is connected as electronic lock supply lines with electronic lock power line；
1 brown and 1 grey 0.5mm2Copper conductor is as electronics lock status back production signal wire and electronic lock feedback contact
Line connects；
1 red and 1 is with blue 0.5mm2Copper conductor is connected with S+ pin terminals and S- pin terminals respectively, wherein, S+/
S- order wires, which are used to charge, to communicate；
1 green, 1 yellow and 1 white root 0.5mm2Copper conductor connects positive pole temperature sensor PT1+, negative pole respectively
Temperature sensor PT2+ and two temperature sensors common port Ptcom.Wherein, common port Ptcom, i.e. serial line interface, can be with
Serial ports mouse, serial port modem are connected, mobile phone and remote control etc., belongs to PORT COM, two machines interconnection etc. can be achieved.
When above-mentioned charging port group is DC charging rifle, the following parts that can include：
Charging gun plug, charging gun contact pin clamp, charging gun shell, charging gun locking bar waterproof apron, charging gun electronic lock
Bar, charging gun wire harness clip, charging gun electronic lock installing mechanism, charging gun wire harness waterproof apron, charging gun wire harness clip are fixed
It is part, above-mentioned 18 core DC charging wire harness, charging gun contact pin, electronic lock, microswitch, 1000 ohm of 1/2 watt of resistance, SMD
PT1000。
Figure 12 is the electrical connection diagram of the charging port component of another embodiment of the present invention.As shown in figure 12, with specific
DC charging wire harness in embodiment 2 with exemplified by the electrical connection of charging port group.
Wherein, 4 35mm2Copper cable, color is identical two-by-two, two red, two black, two red 35mm2Copper cable with it is straight
Flow the connection of positive pin terminal, two black 35mm2Copper cable is connected with direct current negative power pin terminal；
1 16mm2Copper cable be connected with ground wire pin terminal, make yellow green according to Standard.
2 2.5mm2Copper conductor atmosphere is red and blue, wherein red 2.5mm2Copper conductor is connected with A+ pin terminals, black
Color 2.5mm2Copper conductor is connected with A- pin terminals, wherein, A+ just, it is auxiliary can to provide low pressure for low pressure accessory power supply for electric automobile
Help power supply just.A- is that low pressure accessory power supply is born, and low pressure accessory power supply can be provided for electric automobile and is born；
Remaining 10 0.5mm2The color of copper conductor is respectively red, blueness, brown, yellow, green, black, white, purple
Color, orange, grey.
1 purple 0.5mm2Copper conductor is connected with CC1 pin terminals, wherein, CC1 confirms for charging connection, charges
Cheng Zhong, off-board charging equipment confirm that the input voltage signal of contact carries out uninterrupted monitoring charging plug and charging by connecting
Socket connection status, once there is exception, off-board charging equipment closes dc source output immediately, after completing to unload, breaks
Switch S1；
1 orange and 1 black 0.5mm2Copper conductor is connected as electronic lock supply lines with electronic lock power line；
1 brown and 1 grey 0.5mm2Copper conductor is as electronics lock status back production signal wire and electronic lock feedback contact
Line connects；
1 red and 1 is with blue 0.5mm2Copper conductor is connected with S+ pin terminals and S- pin terminals respectively, wherein, S+/
S- order wires, which are used to charge, to communicate；
1 green, 1 yellow and 1 white root 0.5mm2Copper conductor connects positive pole temperature sensor PT1+, negative pole respectively
Temperature sensor PT2+ and two temperature sensors common port Ptcom.Wherein, common port Ptcom, i.e. serial line interface, can be with
Serial ports mouse, serial port modem are connected, mobile phone and remote control etc., belongs to PORT COM, two machines interconnection etc. can be achieved.
When above-mentioned charging port group is DC charging rifle, the following parts that can include：
Charging gun plug, charging gun contact pin clamp, charging gun shell, charging gun locking bar waterproof apron, charging gun electronic lock
Bar, charging gun wire harness clip, charging gun electronic lock installing mechanism, charging gun wire harness waterproof apron, charging gun wire harness clip are fixed
It is part, above-mentioned 17 core DC charging wire harness, charging gun contact pin, electronic lock, microswitch, 1000 ohm of 1/2 watt of resistance, SMD
PT1000。
The present invention can realize in other specific forms, without departing from its spirit and essential characteristics.Therefore, current reality
Apply example be all counted as being exemplary rather than in all respects it is limited, the scope of the present invention by appended claims rather than on
State description definition, also, fall into claim implication and equivalent in the range of whole change so as to all be included in this
Among the scope of invention.Also, the different technologies feature occurred in different embodiments can be combined, to obtain beneficial to effect
Fruit.Those skilled in the art will be understood that and realize disclosed on the basis of studying accompanying drawing, specification and claims
The embodiment of other changes of embodiment.
Claims (14)
- A kind of 1. DC charging wire harness, it is characterised in that including：Two direct-flow positive pole power cables in parallel and two direct current negative pole power cables in parallel.
- 2. DC charging wire harness according to claim 1, it is characterised in thatOne end of the direct-flow positive pole power cable is used to be connected with the direct-flow positive pole of electric supply installation output end；One end of the direct current negative pole power cable is used to be connected with the direct current negative pole of electric supply installation output end.
- 3. DC charging wire harness according to claim 1, it is characterised in thatOne end of the direct-flow positive pole power cable is used for the power input with charging port component by electrical connection module It is connected；One end of the direct current negative pole power cable is used for the power input with charging port component by electrical connection module It is connected.
- 4. DC charging wire harness according to claim 1, it is characterised in that also include：Two ground wires in parallel.
- 5. DC charging wire harness according to claim 1, it is characterised in that the direct-flow positive pole power cable in parallel and The cross-sectional area of each power conductors in the direct current negative pole power cable in parallel is identical.
- 6. DC charging wire harness according to claim 5, it is characterised in that the direct-flow positive pole power cable in parallel and The cross-sectional area of each power conductors in the direct current negative pole power cable in parallel is 35mm2Or 50mm2。
- A kind of 7. electrical connection module, it is characterised in that including：Ring interface, the ring interface are arranged on one end of the electrical connection module, appoint for connecting in claim 1 to 6 Two direct-flow positive pole power cables in parallel of the DC charging wire harness described in one or the two direct current negative pole work(in parallel Rate cable.
- 8. electrical connection module according to claim 7, it is characterised in that also include：Silver coating, the silver coating are arranged on the outer surface of the other end of the electrical connection module, wherein, the thickness of the silver coating Spend for 8 μm to 12 μm.
- 9. electrical connection module according to claim 8, it is characterised in that the thickness of the silver coating is 10 μm.
- 10. electrical connection module according to claim 7, it is characterised in that the ring interface is with described two in parallel Direct-flow positive pole power cable or two direct current negative pole power cables in parallel are engaged, and the cross section of the ring interface For Long Circle.
- 11. electrical connection module according to claim 7, it is characterised in thatThe ring interface crimps with the direct-flow positive pole power cable in parallel or the direct current negative pole power cable in parallel It is connected.
- 12. the electrical connection module according to claim 112, it is characterised in thatThe cross section of ring interface after crimping extends internally forming V-shape in the junction of Bing Lian two power cables.
- 13. a kind of charging port component, it is characterised in that the power input of the charging port component and claim 7 It is connected to the electrical connection module any one of 12.
- 14. charging port component according to claim 13, it is characterised in that the power input of the charging port component Interface passes through any one of the electrical connection module any one of the claim 7 to 12 and claim 1 to 6 DC charging wire harness is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710904059.7A CN107680730A (en) | 2017-09-29 | 2017-09-29 | DC charging wire harness, electrical connection module and charging port component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710904059.7A CN107680730A (en) | 2017-09-29 | 2017-09-29 | DC charging wire harness, electrical connection module and charging port component |
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| CN107680730A true CN107680730A (en) | 2018-02-09 |
Family
ID=61137647
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| CN201710904059.7A Pending CN107680730A (en) | 2017-09-29 | 2017-09-29 | DC charging wire harness, electrical connection module and charging port component |
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| CN108973736A (en) * | 2018-07-27 | 2018-12-11 | 常州科研试制中心有限公司 | The explosion-proof new energy vehicle intelligent charger of multiple gun formula |
| CN110341510A (en) * | 2018-04-06 | 2019-10-18 | 丰田自动车株式会社 | The charging method of vehicle and vehicle |
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Application publication date: 20180209 |