CN217880875U - High-power charging wire of electric automobile - Google Patents
High-power charging wire of electric automobile Download PDFInfo
- Publication number
- CN217880875U CN217880875U CN202220855812.4U CN202220855812U CN217880875U CN 217880875 U CN217880875 U CN 217880875U CN 202220855812 U CN202220855812 U CN 202220855812U CN 217880875 U CN217880875 U CN 217880875U
- Authority
- CN
- China
- Prior art keywords
- wire
- line
- insulating layer
- power line
- main
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001816 cooling Methods 0.000 claims abstract description 42
- 239000000945 filler Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims description 22
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 13
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 239000004745 nonwoven fabric Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000012815 thermoplastic material Substances 0.000 claims description 3
- 239000004020 conductor Substances 0.000 abstract description 21
- 229920006346 thermoplastic polyester elastomer Polymers 0.000 description 11
- 239000004743 Polypropylene Substances 0.000 description 10
- 238000009413 insulation Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 6
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 6
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 5
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 4
- -1 polybutylene terephthalate Polymers 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 125000005442 diisocyanate group Chemical group 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 229910021389 graphene Inorganic materials 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 229920005862 polyol Polymers 0.000 description 3
- 150000003077 polyols Chemical class 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 239000004970 Chain extender Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 229920003232 aliphatic polyester Polymers 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Insulated Conductors (AREA)
Abstract
The embodiment of the application provides a high-power charging wire of electric automobile, include: the main power line, the auxiliary power line, the cooling pipe, the signal line, the control line and the filler are coated in the sheath; the main power line comprises at least one first lead and one second lead; the number of the cooling pipes is two, wherein one cooling pipe is completely surrounded by the main power line, the auxiliary power line, the signal line and the control line, and the other cooling pipe is at least partially surrounded by the main power line, the auxiliary power line, the signal line and the control line; and the filler is filled in the gaps formed among the main power line, the auxiliary power line, the signal line and the control line. Because the insulating layer of the main wire core of the second wire is eliminated, the sectional area of the conductor can be increased on the premise of unchanged twisting outer diameter, and the heat productivity during large-current charging is reduced; or on the premise that the sectional area of the conductor is not changed, the twisting outer diameter is reduced, so that the total outer diameter of the wire is reduced, and the purpose of light weight is achieved.
Description
Technical Field
The application relates to the technical field of electric automobile charging wires, in particular to a high-power charging wire of an electric automobile.
Background
The popularization of electric automobiles brings the vigorous development of electric automobile charging wires, and the problem of low charging efficiency is a direct factor which restricts the further popularization of electric automobiles, so that the charging current reaches about 600A by adopting high-power charging, the electric automobiles can be fully charged within minutes or 10 minutes, and the charging efficiency of the electric automobiles is greatly improved.
However, the heat quantity is increased sharply by the large current, and the heat dissipation problem needs to be solved under the combination of the increase of the section area of the main insulated conductor and the increase of the cooling system. The increase in the sectional area of the conductor leads to an increase in the outer diameter of the wire, and the smaller the outer diameter of the wire is, the better it is desirable for the convenience of charging operation; consequently, present charging wire has the inconvenient problem of the better operation of support heavy current charging heat dissipation, or the overheated problem of cable heavy current charging of the more convenient operation, can not compromise the heat dissipation problem that the heavy current charges and the problem of the convenience of operation to it can lead to the not good problem of security to be overheated. Therefore, there is a need for a cable having a superior compromise between the main core conductor cross-sectional area and the outer diameter of the wire, thereby solving the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present application is proposed in order to provide an electric vehicle high power charging cord that overcomes or at least partially solves the problems, comprising:
a high-power charging wire of an electric automobile comprises: the main power line, the auxiliary power line, the cooling pipe, the signal line, the control line and the filler are coated in the sheath;
wherein the main power line comprises at least one first wire and one second wire;
the number of the cooling pipes is two, wherein one cooling pipe is completely surrounded by the main power line, the auxiliary power line, the signal line and the control line, and the other cooling pipe is at least partially surrounded by the main power line, the auxiliary power line, the signal line and the control line;
gaps formed among the main power line, the cooling tube, the auxiliary power line, the signal line and the control line are filled with the filler.
Furthermore, at least one ground wire is arranged in a gap formed between the cables in the sheath in a penetrating manner;
the ground wire comprises a ground wire core and a ground wire insulating layer.
Further, the first conducting wire close to the second conducting wire comprises a main wire core and a first insulating layer arranged outside the main wire core; the first conducting wire far away from the second conducting wire comprises a main wire core and a second insulating layer arranged outside the main wire core;
wherein the thickness of the insulating layer is greater than the thickness of the second insulating layer.
Further, the second lead is a main wire core without an insulating layer, or the main wire core with a PTFE tape coated on the outer layer of the second lead.
Further, the cooling pipe is a PTFE pipe with the inner diameter of 4mm and the outer diameter of 6 mm.
Furthermore, the signal wire is sequentially provided with a signal conducting wire, a signal insulating layer and a signal shielding layer from inside to outside.
Further, the sheath comprises an inner sheath and an outer sheath;
the main power line includes a first wire having a first insulating layer and a first wire having a second insulating layer;
the inner sheath, the first insulating layer and the second insulating layer are made of the same material.
Further, the outer sheath is made of soft thermoplastic material.
Furthermore, the filler is a PP rope wrapped with non-woven fabrics.
Furthermore, the number of the signal lines is 4, and the number of the control lines is 8.
Furthermore, the section area of the main wire core is 10mm 2 The conductive copper wire of (1).
The application has the following advantages:
in the embodiment of the application, the main power line, the auxiliary power line, the cooling pipe, the signal line, the control line and the filler are wrapped in the sheath; wherein the main power line comprises at least one first wire and one second wire; the number of the cooling pipes is two, wherein one cooling pipe is completely surrounded by the main power line, the auxiliary power line, the signal line and the control line, and the other cooling pipe is at least partially surrounded by the main power line, the auxiliary power line, the signal line and the control line; gaps formed among the main power line, the auxiliary power line, the signal line and the control line are filled with the filler. Because the insulating layer of the main wire core of the second wire is eliminated, the sectional area of the conductor can be increased on the premise of unchanged twisting outer diameter, and the heat productivity during large-current charging is reduced; or on the premise that the sectional area of the conductor is not changed, the twisting outer diameter is reduced, so that the total outer diameter of the wire is reduced, and the purpose of light weight is achieved.
Drawings
In order to more clearly illustrate the technical solutions of the present application, the drawings needed to be used in the description of the present application will be briefly introduced below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a high-power charging wire of an electric vehicle according to an embodiment of the present application.
In the figure, 1, a main power line; 2. a cooling tube; 3. an auxiliary power line; 4. a signal line; 5. a control line; 6. a filler; 7. a ground wire; 8. a sheath; 10. a first conductive line; 20. a second conductive line; 11. a main wire core; 12. a first insulating layer; 13. a second insulating layer; 14. a PTFE tape; 31. an auxiliary wire core; 32. An auxiliary line insulating layer; 41. a signal wire core; 42. a signal line shielding layer; 43. a signal line insulating layer; 51. A control wire core; 52. a control line insulating layer; 71. a ground wire core; 72. a ground line insulating layer; 81. an inner sheath; 82. an outer sheath.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, the present application is described in further detail with reference to the accompanying drawings and the detailed description. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, a high-power charging wire of an electric vehicle according to an embodiment of the present application is shown, including: the main power line 1, the auxiliary power line 3, the cooling pipe 2, the signal line 4, the control line 5 and the filler 6 are coated in the sheath 8; wherein, the main power line 1 comprises at least one first lead wire 10 and one second lead wire 20; two cooling pipes 2, one of which is completely surrounded by the main power line 1, the auxiliary power line 2, the signal line 4, and the control line 5, and the other of which is at least partially surrounded by the main power line 1, the auxiliary power line 3, the signal line 4, and the control line 5; the second lead 20 is a main core 11 without an insulating layer, or the main core 11 with a PTFE tape 14 coated on the outer layer thereof; the filler 6 is filled in a gap formed between the main power line 1, the cooling pipe 2, the auxiliary power line 3, the signal line 4, and the control line 5.
In the embodiment, by the high-power charging wire for the electric vehicle, the insulating layer of the main wire core 11 of the second wire 20 is eliminated, so that the sectional area of the conductor can be increased and the heat productivity during high-current charging can be reduced on the premise that the twisting outer diameter is not changed; or on the premise that the sectional area of the conductor is not changed, the twisting outer diameter is reduced, so that the total outer diameter of the wire is reduced, and the purpose of light weight is achieved.
Next, a high power charging cord for an electric vehicle in the present exemplary embodiment will be further described.
In an embodiment of the application, a high-power charging wire of electric automobile is disclosed, include: the main power line 1, the auxiliary power line 3, the cooling pipe 2, the signal line 4, the control line 5 and the filler 6 are coated in the sheath 8; wherein, the main power line 1 comprises at least one first conducting wire 10 and one second conducting wire 20; two cooling pipes 2, one of which is completely surrounded by the main power line 1, the auxiliary power line 2, the signal line 4, and the control line 5, and the other of which is at least partially surrounded by the main power line 1, the auxiliary power line 3, the signal line 4, and the control line 5; the second conductor 20 is a main core 11 without an insulating layer, or the main core 11 with a PTFE tape 14 coated on the outer layer thereof; the filler 6 is filled in a gap formed between the main power line 1, the cooling pipe 2, the auxiliary power line 3, the signal line 4, and the control line 5. At least one ground wire 7 is arranged in a gap formed between the cables in the sheath 8 in a penetrating way; the ground wire 7 includes a ground wire core 71 and a ground wire insulating layer 72.
In the embodiment, by the high-power charging wire for the electric vehicle, the insulating layer of the main wire core 11 of the second wire 20 is eliminated, so that the sectional area of the conductor can be increased and the heat productivity during high-current charging can be reduced on the premise that the twisting outer diameter is not changed; or the twisting outer diameter is reduced on the premise that the sectional area of the conductor is not changed, so that the total outer diameter of the wire is reduced, and the purpose of light weight is achieved. Through wearing the ground wire 7 of locating in the space that forms between the cable in the sheath 8, when making electric automobile charge, electric automobile's relevant part accessible ground wire 7 ground connection, through the outer ground wire insulating layer 72 of ground core 71, on the one hand protects ground core 71, on the other hand keeps apart ground core 71 with other group.
As an example, as shown in fig. 1, the number of the cooling pipes 2 is two, one of which is completely surrounded by the main power line 1, the auxiliary power line 2, the signal line 4, and the control line 5, and the other of which is at least partially surrounded by the main power line 1, the auxiliary power line 3, the signal line 4, and the control line 5; one of the cooling pipes 2 is disposed in the middle of the main power line 1, the auxiliary power line 3, the signal line 4 and the control line 5, for example, the first conducting wire 10 is a DC + main core wire, and is distributed beside the cooling pipe to achieve the best cooling effect; another cooling tube 2 is arranged at the edge and the second wire 20 is a DC-main core wire which is distributed aside to achieve both space efficient use and excellent cooling effect.
In an embodiment of the present invention, the first conductive line 10 adjacent to the second conductive line 20 includes a main line core 11 and a first insulating layer 12 disposed outside the main line core 11; the first conductor 10, which is far away from the second conductor 20, includes a main core 11 and a second insulation layer 13 disposed outside the main core 11; wherein the thickness of the insulating layer 12 is greater than that of the second insulating layer 13.
In the above embodiment, the second conducting wire 20 is a main core 11 without an insulating layer, or the main core 11 with a PTFE tape 14 coated on the outer layer thereof; the thickness of the first insulating layer 12 of the first conductive line 10 close to the second conductive line 20 is larger, and the thickness of the second insulating layer 13 of the first conductive line 10 far from the second conductive line 20 is smaller; on one hand, the insulation layer is prevented from being broken down when the voltage difference and the current in the first conducting wire 10 and the second conducting wire 20 are large during charging, and the problem of electric withstand voltage failure is avoided; on the other hand, the thickness of the second insulating layer 13 is small, further reducing the weight and the wire diameter of the charging wire.
As an example, the first wire 10 (DC + core), the second wire 20 (DC-wire), and the inner insulating sheath 82 are added to the outer layer of the first wire 10 (DC + core) adjacent to the second wire 20 (DC-wire), so that the problem of electrical withstand voltage failure is avoided.
In a specific embodiment, 5 first conductors 10 (DC + core wires) are used, and each main core wire11 is a cross-sectional area of 10mm 2 The number of the first conductive lines 10 adjacent to the second conductive lines 20 (DC-conductive lines) is 3, the thickness of the corresponding first insulating layer 12 is preferably 5.8mm, and the number of the first conductive lines 10 distant from the second conductive lines 20 (DC-conductive lines) is 2, the thickness of the corresponding second insulating layer 13 is preferably 5.3mm, wherein the first insulating layer 12 and the second insulating layer 13 are made of a material having a high volume resistivity, such as ERP, TPEE, FEP, or the like; the second wires 20 (DC-wires) are also preferably 5, each main wire core 11 having a cross-sectional area of 10mm 2 The conductive copper wire of (2) is free of insulation, or coated or wound with a TPEE tape.
It should be noted that TPEE is a thermoplastic polyester elastomer, also called polyester rubber, which is a linear block copolymer containing PBT (polybutylene terephthalate) polyester hard segment and aliphatic polyester or polyether soft segment, and has excellent bending fatigue resistance, excellent instantaneous high temperature performance, excellent impact resistance, especially at low temperature (-40 ℃), good tear resistance and wear resistance, and since the thickness of the TPEE tape can reach 0.02-0.2mm, the bending fatigue resistance and impact resistance of the second conductor 20 can be increased without affecting the weight and diameter of the cable.
In an embodiment of the application, the high-power charging cable for the electric vehicle structurally comprises a plurality of main power lines 1 (for example, 10), two cooling pipes 2, a ground line 7, two auxiliary power lines 3, 4 signal lines 4, a plurality of control lines 5 (for example, 8), a filler 6 for filling gaps, a wrapping tape, an insulating inner sheath 81 and an outer sheath 82; the wrapping tape is disposed in the inner sheath 81 and is wrapped outside the main power line 1, the cooling tube 2, the ground line 7, the auxiliary power line 3, the signal line 4, the control line 5, and the filler 6, and may be the TPEE tape, for example.
As an example, in the high-power charging wire for the electric vehicle, the first conducting wire 10 is a structure in which a conductor is extruded and insulated;
in one embodiment of the present application, the ground core 71 of the ground wire 7 is 1mm 2 The copper wire and the ground wire insulating layer 72 are made of TPEE material, and the outer diameter of the insulating layer is 2.6mm (namely, the ground wire)The wire diameter of 7 is 2.6 mm).
In one embodiment, the cooling tube 2 is a PTFE tube with an inner diameter of 4mm and an outer diameter of 6 mm.
In the above embodiment, the cooling liquid is filled in the cooling pipes, and the two cooling pipes 2 at the end of the charging gun are communicated, and the other end of the electric wire passes through the liquid cooling system, and the circulating liquid cooling heat dissipation is performed through the cooling pipes 2. Since the heat conductivity of PTFE is poor and the heat conductivity coefficient of PTFE is 0.256W/m.K, the heat conductivity coefficient of PTFE can be improved by adding copper powder and/or graphene materials into the PTFE material; the heat-conducting property of the graphene material can be improved by 40% by adding 2% of the graphene material.
In an embodiment of the present invention, the signal line 4 includes a signal conducting line 41, a signal insulating layer 41 and a signal shielding layer 42 in sequence from inside to outside.
In the above embodiment, it is preferable that 4 signal lines 4 are provided, and each signal line 4 is provided with an independent signal shielding layer 42 for shielding signal interference; wherein, the signal conductor 41 is 0.5mm 2 The signal insulation layer 41 is made of TPEE material, the wire diameter of the signal insulation layer 41 is 1.4mm, and the signal shielding layer 42 is formed by weaving tinned copper wires with the diameter of 0.08mm outside each signal wire 4 layer.
In an embodiment of the present application, the sheath 8 includes an inner sheath 81 and an outer sheath 82; the above-described main power supply line 1 includes a first wire 10 having a first insulating layer 12 and a first wire 10 having a second insulating layer 13; the inner sheath 81, the first insulating layer 12, and the second insulating layer 13 are made of the same material.
In the above embodiment, the material of the inner sheath 81 is the same as the material of the insulating layer of the main power line to enhance the electrical insulation performance.
In one embodiment of the present application, the outer sheath 82 is made of a soft thermoplastic material. For example: the outer jacket 82 may preferably be a TPU material, which is extruded in a medium extrusion process and has an outer diameter of 24.5mm.
The TPU (Thermoplastic polyurethane elastomer rubber) is a polymer material obtained by reacting diisocyanate molecules such as diphenylmethane diisocyanate (MDI) or Toluene Diisocyanate (TDI) with a high molecular polyol and a low molecular polyol (chain extender) and polymerizing the diisocyanate molecules. The molecular structure of the polyurethane elastomer is formed by alternately reacting a rigid block obtained by reacting diphenylmethane diisocyanate (MDI) or Toluene Diisocyanate (TDI) with a chain extender and a flexible chain segment obtained by reacting diisocyanate molecules such as diphenylmethane diisocyanate (MDI) or Toluene Diisocyanate (TDI) with macromolecular polyol. The TPU has the excellent characteristics of high tension, high tensile force, toughness and aging resistance, and is a mature environment-friendly material; the composite material has the characteristics of high strength, good toughness, wear resistance, cold resistance, oil resistance, water resistance, aging resistance, weather resistance and the like which are incomparable with other plastic materials, and simultaneously has a plurality of excellent functions of high waterproofness and moisture permeability, wind resistance, cold resistance, antibiosis, mildew resistance, warm keeping, ultraviolet resistance, energy release and the like.
In an embodiment of the present application, the filler 6 is a PP rope wrapped with a non-woven fabric.
In the above embodiment, when all the wire cores in the sheath 8 are cabled, the gaps are filled with PP ropes and wrapped with non-woven fabrics to stabilize the structure.
The PP material of the PP rope is polypropylene, the polypropylene is a non-toxic, odorless and tasteless milky-white high-crystalline polymer, the density is only 0.90-0.91 g/cm & lt 3 & gt, the polypropylene is one of the lightest varieties of all plastics, and the PP material is used as the filler 6 to wrap the non-woven fabric so that the overall structure of the rope is stable, and meanwhile, the light weight of the rope is considered.
In one embodiment of the present invention, the number of signal lines is 4, and the number of control lines is 8.
In the above embodiment, it is preferable to provide 4 signal lines 4, and each signal line 4 is provided with an independent signal shielding layer 42 for shielding signal interference; wherein, the signal conductor 41 is 0.5mm 2 The signal insulation layer 41 is made of TPEE material, the wire diameter of the signal insulation layer 41 is 1.4mm, and the signal shielding layer 42 is formed by weaving tinned copper wires with the diameter of 0.08mm outside each signal wire 4 layer; the control lines 5 are preferably 8, and 0 is adopted as 51 lines of 8 control line cores.3mm 2 The copper wire and the insulating material of the control wire insulating layer 51 adopt TPEE material, wherein the outer diameter of the control wire is 1.1mm.
The auxiliary wire core 31 of the auxiliary power line 3 is 0.5mm 2 The copper wire and the auxiliary wire insulation layer 31 are made of TPEE material, and the wire diameter of the auxiliary power wire 3 is preferably 1.4mm.
In an embodiment of the present application, the first conductive wire 10 is a structure in which a conductor is extruded and insulated; wherein each main core 11 of the first conductor 10 has a cross-sectional area of 10mm 2 The first lead wire 10 is divided into two insulating layers, wherein the thickness of the first insulating layer 12 is preferably 5.8mm, and the thickness of the second insulating layer 13 is preferably 5.3mm; and PP ropes are filled in gaps and wound with non-woven fabrics to stabilize the structure when all core wires coated in the sheath 8 are cabled. After cabling, a high volume resistivity EPR material is adopted to extrude the medium-sized cable, the diameter of the medium-sized cable is 22.5mm, namely the inner sheath 81, the outer sheath is made of a TPU material, and the diameter of the extruded cable is 24.5mm.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
While preferred embodiments of the present application have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the true scope of the embodiments of the application.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or terminal apparatus that comprises the element.
The above detailed description is given to the high-power charging wire for the electric vehicle, and specific examples are applied herein to explain the principle and the implementation of the present application, and the description of the above embodiments is only used to help understand the method and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. The utility model provides a high-power charging wire of electric automobile which characterized in that includes: the main power line, the auxiliary power line, the cooling pipe, the signal line, the control line and the filler are coated in the sheath;
wherein the main power line comprises at least one first wire and one second wire;
the number of the cooling pipes is two, wherein one cooling pipe is completely surrounded by the main power line, the auxiliary power line, the signal line and the control line, and the other cooling pipe is at least partially surrounded by the main power line, the auxiliary power line, the signal line and the control line;
the second lead is a main wire core without an insulating layer, or the main wire core with a PTFE tape coated outside the second lead;
gaps formed among the main power line, the cooling tube, the auxiliary power line, the signal line and the control line are filled with the filler.
2. The high-power charging wire for the electric automobile according to claim 1, wherein at least one ground wire is further arranged in a gap formed between the cables in the sheath in a penetrating manner;
the ground wire comprises a ground wire core and a ground wire insulating layer.
3. The electric vehicle high power charging wire according to claim 1, wherein the first conducting wire close to the second conducting wire comprises a main wire core and a first insulating layer arranged outside the main wire core; the first conducting wire far away from the second conducting wire comprises a main wire core and a second insulating layer arranged outside the main wire core;
wherein the thickness of the insulating layer is greater than the thickness of the second insulating layer.
4. The high power charging wire for the electric vehicle according to claim 1, wherein the cooling pipe is a PTFE pipe with an inner diameter of 4mm and an outer diameter of 6 mm.
5. The high-power charging wire for the electric automobile according to claim 1, wherein the signal wire comprises a signal conducting wire, a signal insulating layer and a signal shielding layer from inside to outside in sequence.
6. The electric vehicle high power charging wire according to claim 1, wherein the sheath comprises an inner sheath and an outer sheath;
the main power line includes a first wire having a first insulating layer and a first wire having a second insulating layer;
the inner sheath, the first insulating layer and the second insulating layer are made of the same material.
7. The electric vehicle high power charging wire of claim 6, wherein the outer sheath is made of a soft thermoplastic material.
8. The high-power charging wire for the electric vehicle as claimed in claim 1, wherein the filler is a PP rope wrapped with non-woven fabric.
9. The electric vehicle high-power charging wire according to claim 1, wherein the number of the signal wires is 4, and the number of the control wires is 8.
10. The high-power charging wire for the electric automobile according to claim 1, wherein the main wire core has a cross-sectional area of 10mm 2 The conductive copper wire of (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220855812.4U CN217880875U (en) | 2022-04-13 | 2022-04-13 | High-power charging wire of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220855812.4U CN217880875U (en) | 2022-04-13 | 2022-04-13 | High-power charging wire of electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217880875U true CN217880875U (en) | 2022-11-22 |
Family
ID=84088480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220855812.4U Active CN217880875U (en) | 2022-04-13 | 2022-04-13 | High-power charging wire of electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217880875U (en) |
-
2022
- 2022-04-13 CN CN202220855812.4U patent/CN217880875U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109378136B (en) | Manufacturing method of environment-friendly medium-voltage power cable and cable | |
| US20170076838A1 (en) | Electrical cables with strength elements | |
| CN101071658A (en) | Waterproof power cable and its manufacturing method | |
| CN111048247A (en) | Charging pile cable | |
| CN112002462A (en) | High-low temperature-resistant anti-interference comprehensive flexible cable for unmanned aerial vehicle | |
| CN217880875U (en) | High-power charging wire of electric automobile | |
| CN203288332U (en) | Wear-resistant weather-resistant anti-dragging flexible cable for surface mine | |
| CN112017808A (en) | Family charges with alternating-current charging stake flexible cable | |
| CN114914014A (en) | High-power charging wire of electric automobile | |
| CN202003724U (en) | Anti-torsion flexible cable for wind-driven generation | |
| CN211957157U (en) | Flexible tensile charging cable | |
| CN201111980Y (en) | Low temperature flexibility cable special for wind power generation | |
| CN211181722U (en) | Cold-resistant spring cable | |
| CN203520938U (en) | Charging cable used for alternating current charging of electric automobile | |
| CN218181916U (en) | Robot cable | |
| CN221378980U (en) | DC charging pile flat cable | |
| CN220895243U (en) | High-performance medium-voltage power cable | |
| CN220731212U (en) | Single-core non-magnetic metal tape armored power cable | |
| CN216311406U (en) | Temperature-resistant and aging-resistant charging pile cable | |
| CN220856136U (en) | Rubber insulation high-voltage flexible cable | |
| CN216353414U (en) | Insulated low-voltage cable | |
| CN215451013U (en) | Molded line conductor high-concentricity medium-voltage cable | |
| CN219832268U (en) | Compression-resistant flame-retardant cable | |
| CN219040105U (en) | Liquid cooling charging cable for electric automobile | |
| CN219497405U (en) | High-power charging wire of electric automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230605 Address after: Floor 3, No. 10 Xiangxing Road, Buyong Community, Shajing Street, Bao'an District, Shenzhen City, Guangdong Province, 518000 Patentee after: Shenzhen Baoxin Wire and Cable Manufacturing Co.,Ltd. Address before: 518000 Buyong Tongfu Industrial Park, Shajing Road, Shajing sub district office, Bao'an District, Shenzhen, Guangdong Province Patentee before: SHENZHEN BAOHING ELECTRIC WIRE&CABLE MANUFACTURE Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 510000, No. 8 Xiangning Road, Ningxi Street, Zengcheng District, Guangzhou City, Guangdong Province Patentee after: Guangzhou Baoxin Wire and Cable Manufacturing Co.,Ltd. Country or region after: China Address before: Floor 3, No. 10 Xiangxing Road, Buyong Community, Shajing Street, Bao'an District, Shenzhen City, Guangdong Province, 518000 Patentee before: Shenzhen Baoxin Wire and Cable Manufacturing Co.,Ltd. Country or region before: China |