CN116018656A - Liquid cooling charging cable for new energy automobile and production process thereof - Google Patents
Liquid cooling charging cable for new energy automobile and production process thereof Download PDFInfo
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- CN116018656A CN116018656A CN202280005289.9A CN202280005289A CN116018656A CN 116018656 A CN116018656 A CN 116018656A CN 202280005289 A CN202280005289 A CN 202280005289A CN 116018656 A CN116018656 A CN 116018656A
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- 238000001816 cooling Methods 0.000 title claims abstract description 77
- 239000007788 liquid Substances 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 239000004020 conductor Substances 0.000 claims description 45
- 239000000463 material Substances 0.000 claims description 25
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 18
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 9
- 239000000110 cooling liquid Substances 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 9
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 4
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 229910052802 copper Inorganic materials 0.000 description 7
- 239000010949 copper Substances 0.000 description 7
- 239000004745 nonwoven fabric Substances 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000009954 braiding Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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Abstract
The application provides a liquid cooling charging cable for a new energy automobile and a production process thereof. Wherein, liquid cooling charging cable includes bus core cable core, cooling tube, back flow, total cable core band and oversheath, and bus core cable core includes: the power cable core, the ground connection core, control cable core, signal cable core and auxiliary cable core, two power cable cores distribute side by side, every power cable core overcoat is equipped with the cooling tube, and a plurality of support piece of circumference direction equipartition has in the annular space between cooling tube and the power cable core that the cover was established, the ground connection core circumscribes with two cooling tubes simultaneously, and circumscribes with two cooling tubes simultaneously with the back flow that the ground connection core set up relatively, the total cable core band of wrapping has outside the bus core cable core, the outer oversheath that extrudes of total cable core band has.
Description
Technical Field
The application relates to the technical field of wires and cables, for example, to a liquid cooling charging cable for a new energy automobile and a production process thereof.
Background
Compared with the traditional automobile, the new energy automobile has the advantages of strong power, low cost, energy conservation, environmental protection and the like, but the new energy automobile is limited in development due to lower charging efficiency. In order to solve the problem of the charging duration of the new energy automobile, a high-power charging cable needs to be designed and developed.
The high-power charging cable is mostly liquid-cooled, namely, the round tube is preset in the cable, the temperature of the cable is reduced through liquid circulation, but the strength of the liquid-cooled tube is low, the supporting force is insufficient, the situation of flattening deformation often occurs in the cable, the problems of unsmooth liquid circulation, cable deformation, heat dissipation failure and the like are caused, and the actual use of the cable is affected.
Disclosure of Invention
The utility model provides a liquid cooling charging cable for new energy automobile and production technology thereof ensures the roundness and the structural strength of liquid cooling pipe, provides support for cable overall structure, guarantees structural stability.
The application provides a liquid cooling charging cable for a new energy automobile, which comprises a bus core cable core, a cooling pipe, a return pipe, a bus core wrapping belt and an outer sheath, wherein,
the bus core cable core comprises: the power cable comprises power cable cores, grounding cable cores, control cable core cable cores, signal cable core cable cores and auxiliary cable core cable cores, wherein the two power cable cores are distributed side by side, a cooling pipe is sleeved outside each power cable core, a plurality of supporting pieces are uniformly distributed in an annular gap between the cooling pipe and the sleeved power cable core along the circumferential direction, the grounding cable cores are circumscribed with the two cooling pipes at the same time, a return pipe which is arranged opposite to the grounding cable cores is circumscribed with the two cooling pipes at the same time, the two control cable core cable cores are distributed on two sides of the grounding cable cores and circumscribed with the grounding cable cores and the cooling pipes on the same side respectively, the signal cable core cable cores and the auxiliary cable core cable cores are distributed on two sides of the return pipe and circumscribed with the cooling pipes on the same side respectively, a total cable core wrapping belt is wrapped outside the total cable core wrapping belt, and an outer sheath is extruded outside the total cable core wrapping belt.
The application also provides a production process of the liquid cooling charging cable for the new energy automobile based on the above, which comprises the following steps:
preparing a wire core conductor of a power wire core, a grounding wire core, a control wire core, a signal wire core and an auxiliary wire core;
preparing an insulating layer of a grounding wire core, a control wire core, a signal wire core and an auxiliary wire core;
preparing a power wire core insulating layer, and sleeving an upper cooling pipe outside the power wire core insulating layer;
manufacturing a control cable core, a signal cable core and an auxiliary cable core;
twisting a power wire core, a cooling pipe, a grounding wire core, a control wire core, a signal wire core, an auxiliary wire core and a return pipe to form a bus wire core, and wrapping a total wire core wrapping tape outside the bus wire core;
extruding an outer sheath outside the total cable core wrapping tape.
Drawings
Fig. 1 is a schematic structural diagram of a liquid-cooled charging cable for a new energy automobile according to an embodiment of the present application.
In the figure:
1-a power wire core; 11-a power core conductor; 12-a power wire core insulating layer; 13-a support;
2-a grounding wire core; 21-a ground wire core conductor; 22-a ground wire core insulating layer;
3-controlling the cable core; 31-a control wire core conductor; 32-a control wire core insulating layer; 33, controlling the cable core wrapping tape;
4-a signal cable core; 41-signal wire core conductors; 42-a signal wire core insulating layer; 43-metallic braid shield;
5-auxiliary core cable cores; 51-auxiliary core conductors; 52-an auxiliary wire core insulating layer; 53-auxiliary cable core wrapping tape;
6-cooling pipes;
7-a return pipe;
8, total cable core wrapping tape;
9-an outer sheath.
Detailed Description
Embodiments of the present application are described below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar parts or parts having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, unless specified and limited otherwise, the terms "connected," "coupled," and "fixed" are to be construed broadly, and are for example, capable of being connected fixedly, detachably, mechanically, electrically, indirectly, via an intermediary, and in communication between two elements or in an interaction relationship between two elements. The meaning of the above terms in the present application can be understood according to actual circumstances.
In the description of the present application, unless specified and limited otherwise, "above" or "below" a first feature may include both the first feature and the second feature being in direct contact, or may include both the first feature and the second feature not being in direct contact but being in contact through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature. The technical scheme of the application is described below by means of embodiments in combination with the accompanying drawings.
Referring to fig. 1, the embodiment provides a liquid cooling charging cable for a new energy automobile, which comprises a bus core cable core, wherein the bus core cable core comprises a power cable core 1, a grounding cable core 2, a control cable core 3, a signal cable core 4, an auxiliary cable core 5, a cooling pipe 6 and a return pipe 7, a total cable core wrapping belt 8 is wrapped outside the bus core cable core, and an outer sheath 9 is extruded outside the total cable core wrapping belt 8.
The new energy automobile liquid cooling charging cable that this embodiment provided, including bus core cable core, cooling tube 6, back flow 7, total cable core band 8 and oversheath 9, wherein, bus core cable core includes: the power wire cores 1, the grounding wire cores 2, the control wire core cable cores 3, the signal wire core cable cores 4 and the auxiliary wire core cable cores 5 are distributed side by side, a cooling pipe 6 is sleeved outside each power wire core 1, a plurality of supporting pieces 13 are uniformly distributed in an annular gap between each cooling pipe 6 and the sleeved power wire core 1 along the circumferential direction, the grounding wire cores 2 are circumscribed with the two cooling pipes 6 at the same time, a return pipe 7 arranged opposite to the grounding wire cores 2 is circumscribed with the two cooling pipes 6 at the same time, the two control wire core cable cores 3 are distributed on two sides of the grounding wire cores 2 and circumscribed with the grounding wire cores 2 and the cooling pipes 6 on the same side respectively, the signal wire core cable cores 4 and the auxiliary wire core cable cores 5 are distributed on two sides of the return pipe 7 and circumscribed with the return pipe 7 and the cooling pipes 6 on the same side respectively, a total cable core 8 is wrapped outside the total cable core cable cores, and an outer wrapping belt 9 is extruded outside the total cable core wrapping belt 8.
In this embodiment, two power wire cores 1 are distributed side by side, a cooling pipe 6 is sleeved outside each power wire core 1, and a plurality of supporting pieces 13 are uniformly distributed on the circumference in an annular gap between the cooling pipe 6 and the power wire cores 1.
Each power core 1 comprises a plurality of stranded power core conductors 11, a power core insulating layer 12 made of thermoplastic elastomer (Thermoplastic Elastomer, TPE) material is wrapped outside the power core conductors 11, and the power core insulating layer 12 and the supporting pieces 13 are integrally extruded.
The plurality of support members 13 may comprise three support members 13 of the same size, each support member 13 being spaced from the cooling tube 6 by a radial gap of between 0.8mm and 1.5 mm.
The power core 1 comprises a plurality of stranded power core conductors 11, the power core conductors 11 are externally wrapped with a power core insulating layer 12 made of TPE material, the power core insulating layer 12 and three supporting pieces 13 are integrally extruded, the supporting pieces 13 are made of high-strength and high-hardness thermoplastic polyurethane elastomer rubber (Thermoplastic Polyurethanes, TPU) materials, the outer cooling tube 6 can be effectively supported, the cooling tube 6 is ensured not to be extruded and deformed when the cable is bent and moved, and the flow rate of cooling liquid and the stability of the cooling tube 6 are ensured.
The radial clearance of 0.8mm ~ 1.5mm is left between support piece 13 and the cooling tube 6, can ensure that the coolant liquid flows fast, when receiving external force and other sinle silk extrusion, guarantees the coolant liquid velocity of flow in cooling tube 6, effectively promotes the radiating effect of power sinle silk 1, provides cable current-carrying capacity, has prolonged cable life.
In addition, the ground wire core 2 is circumscribed with one side of the two cooling pipes 6 at the same time, and the other side of the two cooling pipes 6 is circumscribed and provided with a return pipe 7, the two control wire core cable cores 3 are distributed on two sides of the ground wire core 2 and are circumscribed with the ground wire core 2 and the cooling pipes 6 respectively, and the signal wire core cable cores 4 and the auxiliary wire core cable cores 5 are distributed on two sides of the return pipe 7 and are circumscribed with the return pipe 7 and the cooling pipes 6 respectively.
The cooling pipe 6 is made of irradiation ethylene propylene material, the return pipe 7 and the outer sheath 9 are made of TPU material, and the flow direction of the cooling liquid in the cooling pipe 6 is opposite to that of the cooling liquid in the return pipe 7.
The cooling tube 6 is made of an irradiation ethylene propylene material, the cooling tube 6 directly penetrates through the outside of the power wire core 1, the best heat dissipation effect of the power wire core 1 is ensured, the current-carrying capacity of the cable is effectively improved, and the service life of the cable is prolonged.
The return pipe 7 is made of TPU material and the cooling pipe 6 is in the opposite direction to the flow of the cooling liquid in the return pipe 7.
The ground wire core 2 comprises a plurality of stranded ground wire core conductors 21, and a ground wire core insulating layer 22 made of TPE material is wrapped outside the ground wire core conductors 21, so that the ground wire core has the characteristics of high strength and high flexibility.
The control cable core 3 is formed by twisting five control cable cores in an annular arrangement and is wrapped with a control cable core wrapping belt 33 made of non-woven fabrics, the control cable cores comprise a plurality of twisted control cable core conductors 31, and a control cable core insulating layer 32 made of TPE materials is wrapped outside the control cable core conductors 31, so that the control cable core has the characteristics of high strength and high flexibility.
The signal cable core 4 is formed by twisting two signal cable cores in pairs and is wrapped with a metal braiding shielding layer 43, the signal cable cores comprise a plurality of twisted signal cable core conductors 41, and the signal cable core conductors 41 are wrapped with a signal cable core insulating layer 42 made of TPE materials.
The signal cable core 4 is formed by circumscribedly twisting two signal wire cores and is wrapped with a metal woven shielding layer 43, the signal wire cores comprise a plurality of twisted signal wire core conductors 41, and a signal wire core insulating layer 42 made of TPE material is wrapped outside the signal wire core conductors 41, so that the signal cable core has the characteristics of high strength and high flexibility.
The auxiliary cable core 5 is formed by twisting two auxiliary cable cores in pairs and is wrapped with an auxiliary cable core wrapping belt 53, the auxiliary cable cores comprise a plurality of twisted auxiliary cable core conductors 51, and the auxiliary cable core conductors 51 are wrapped with an auxiliary cable core insulating layer 52 made of TPE materials.
The auxiliary cable core 5 is formed by twisting two auxiliary cable cores in an annular arrangement and is wrapped with an auxiliary cable core wrapping tape 53 made of non-woven fabrics, the auxiliary cable cores comprise a plurality of twisted auxiliary cable core conductors 51, and an auxiliary cable core insulating layer 52 made of TPE materials is wrapped outside the auxiliary cable core conductors 51, so that the auxiliary cable core has the characteristics of high strength and high flexibility.
The outer diameters of the ground wire core 2 and the return pipe 7 are the same, the outer diameters of the signal wire core cable core 4 and the auxiliary wire core cable core 5 are the same, and even the outer diameters of the signal wire core cable core 4 and the auxiliary wire core cable core 3 are the same, so that the symmetrical and stable overall structure of the cable is ensured, the stability of the overall structure of the cable can be effectively improved, and the cable is ensured not to deform under the conditions of bending, torsion and the like.
The total cable core wrapping tape 8 is made of reinforced non-woven fabrics.
The outer sheath 9 is made of TPU material and has high softness and wear resistance.
In addition, the embodiment also provides a production process of the liquid cooling charging cable for the new energy automobile, which comprises the following steps.
S100: conductors of a power wire core 1, a grounding wire core 2, a control wire core, a signal wire core and an auxiliary wire core are prepared.
The preparation method of the power wire core conductor 11 comprises the following steps: copper conductor strands are manufactured, copper monofilaments are stranded into copper conductor strands by a Nihoff wire stranding machine, the diameter of each monofilament is 0.140-0.145 mm, and the stranding pitch is 11-13 times the outer diameter of each strand; the copper conductor strands are twisted to form the power core conductor 11, and the twisting pitch is 13-15 times the outer diameter of the power core conductor 11.
The preparation methods of the ground wire core conductor 21, the control wire core conductor 31, the signal wire core conductor 41 and the auxiliary wire core conductor 51 are as follows: copper monofilaments are stranded into copper conductor wire bundles by a Nihoff wire bundling machine, the diameter of each monofilament wire is 0.140-0.145 mm, and the stranding pitch is 12-14 times the outer diameter of each strand.
S200: an insulating layer of the ground wire core 2, the control wire core, the signal wire core and the auxiliary wire core is prepared.
The ground wire core insulation layer 22, the control wire core insulation layer 32, the signal wire core insulation layer 42 and the auxiliary wire core insulation layer 52 are prepared by extruding TPE materials with high strength and high softness outside the corresponding wire core conductors.
S300: the power wire core insulating layer 12 is prepared, and the cooling pipe 6 is arranged outside the power wire core insulating layer 12 in a penetrating way.
The preparation method of the power wire core insulating layer 12 comprises the steps of extruding TPE material outside the power wire core conductor 11, integrally extruding three supporting pieces 13 on the power wire core insulating layer 12, penetrating the cooling pipe 6 outside the power wire core 1, and keeping a distance of 0.8-1.5 mm between the three supporting pieces 13 and the cooling pipe 6.
S400: a control core cable 3, a signal core cable 4, and an auxiliary core cable 5 are manufactured.
The preparation method of the control cable core 3 comprises the steps of equally dividing ten control cable cores, twisting the ten control cable cores into a cable in a 0+5 mode, and wrapping the control cable core wrapping tape 33 of the white non-woven fabric outside the control cable core, wherein the wrapping covering rate is 25% -30%.
The preparation method of the signal wire core cable core 4 comprises the steps of twisting two signal wire cores, wherein the twisting pitch is 12-16 times of twisting outer diameter, copper wires are braided into a metal braided shielding layer 43 after twisting, the diameter of copper wire monofilaments is 0.10mm, and the braiding density is more than or equal to 85%.
The preparation method of the auxiliary cable core 5 comprises the steps of twisting two auxiliary cable cores in pairs, wherein the twisting pitch is 12-16 times of twisting outer diameter, and the wrapping coverage rate of the auxiliary cable core wrapping belt 53 wrapping the white non-woven fabrics is 25-30%.
S500: the power wire core 1, the cooling pipe 6, the grounding wire core 2, the control wire core 3, the signal wire core 4, the auxiliary wire core 5 and the return pipe 7 are twisted into a bus wire core, and a total wire core wrapping belt 8 is wrapped outside the bus wire core, wherein the total wire core wrapping belt 8 is reinforced non-woven fabric, and the wrapping cover rate is 20% -30%.
S600: the outer sheath 9 is extruded outside the total cable core wrapping belt 8, and the outer sheath 9 can be formed by adopting a high-softness wear-resistant soft TPU material through extrusion pipe production, and the thickness is 2.5 mm-3.0 mm.
In summary, the new energy automobile liquid cooling charging cable and the production process thereof provided by the application have the following effects:
(1) The power wire core insulating layer 12 and the supporting pieces 13 of the cooling pipe 6 are integrally formed, and the power wire core insulating layer 12 and the three supporting pieces 13 are made of high-strength and high-hardness materials, so that the cooling pipe 6 outside the power wire core insulating layer 12 can be effectively supported, the cooling pipe 6 is prevented from being extruded and deformed when a cable is bent and moved, and the flow rate of cooling liquid and the stability of the cooling pipe 6 are ensured;
(2) The distance between the three supporting pieces 13 outside the power wire core insulating layer 12 and the cooling pipe 6 is 0.8-1.5 mm, so that the cooling liquid can flow quickly, the flow speed of the cooling liquid in the cooling pipe 6 is ensured when the cooling liquid is extruded by external force and other wire cores, the heat dissipation effect of the power wire cores is effectively improved, the current-carrying capacity of the cable is provided, and the service life of the cable is prolonged;
(3) The outer diameters of the two control wire core cable cores 3, the signal wire core cable core 4 and the auxiliary wire core cable core 5 are the same as far as possible, the outer diameters of the return pipe 7 and the grounding wire core 2 are the same, and the multiple cable cores keep a tangent structure, so that the symmetrical and stable overall structure of the cable is ensured, the stability of the overall structure of the cable can be effectively improved, and the cable is ensured not to deform under the conditions of bending, torsion and the like;
(4) The cooling pipe 6 directly penetrates through the power wire core 1, so that the best heat dissipation effect of the power wire core 1 is ensured, the current-carrying capacity of the cable is effectively improved, and the service life of the cable is prolonged.
Claims (10)
1. The liquid cooling charging cable for new energy automobile comprises a bus core cable core, a cooling pipe, a return pipe, a bus core wrapping belt and an outer sheath,
the bus core cable core includes: the power cable comprises power cable cores, grounding cable cores, control cable cores, signal cable cores and auxiliary cable cores, wherein the two power cable cores are distributed side by side, each power cable core is sleeved with a cooling pipe, a plurality of supporting pieces are uniformly distributed in an annular gap between the cooling pipe and the sleeved power cable core along the circumferential direction, the grounding cable cores are circumscribed with the two cooling pipes simultaneously, a return pipe which is oppositely arranged with the grounding cable cores is circumscribed with the two cooling pipes simultaneously, the two control cable cores are distributed on two sides of the grounding cable cores and are circumscribed with the grounding cable cores and the cooling pipes on the same side respectively, the signal cable cores and the auxiliary cable cores are distributed on two sides of the return pipe and are circumscribed with the cooling pipes on the same side respectively, the total cable core wrapping tape is wrapped outside the total cable core wrapping tape, and the outer sheath is extruded outside the total cable core wrapping tape.
2. The cable of claim 1, wherein each power core comprises a plurality of stranded power core conductors encased by a power core insulation of thermoplastic elastomer TPE material, the power core insulation being integrally extruded with the plurality of supports.
3. The cable of claim 2, wherein the plurality of supports comprises three equally sized supports, each support having a radial gap of 0.8mm to 1.5mm from the cooling tube.
4. The cable of claim 1, wherein the cooling tube is of irradiated ethylene propylene material, the return tube and the outer jacket are of thermoplastic polyurethane elastomer rubber TPU material, and the cooling tube is in an opposite flow direction to the cooling liquid in the return tube.
5. The cable of claim 1, wherein the ground wire core comprises a plurality of stranded ground wire core conductors surrounded by a ground wire core insulation of TPE material.
6. The cable of claim 1, wherein each control wire core is formed by twisting five control wire cores in an annular arrangement and is wrapped with a control wire core wrapping tape, each control wire core comprises a plurality of twisted control wire core conductors, and each control wire core comprises a plurality of control wire core conductors wrapped with a control wire core insulating layer of TPE material.
7. The cable of claim 1, wherein the signal wire core is twisted from two signal wire cores and wrapped with a metallic braided shield, each signal wire core comprising a plurality of twisted signal wire core conductors, each signal wire core comprising the plurality of signal wire core conductors wrapped with a signal wire core insulation of TPE material.
8. The cable of claim 1, wherein the auxiliary core cable core is twisted from two auxiliary core wires and wrapped with an auxiliary core wrap, each auxiliary core wire comprising a plurality of twisted auxiliary core wire conductors, each auxiliary core wire comprising the plurality of auxiliary core wire conductors surrounded by an auxiliary core insulation layer of TPE material.
9. The cable of claim 1, wherein the ground wire core is the same outer diameter as the return tube and the signal wire core is the same outer diameter as the auxiliary wire core.
10. A process for producing a liquid-cooled charging cable for a new energy automobile according to any one of claims 1 to 9, comprising:
preparing a wire core conductor of a power wire core, a grounding wire core, a control wire core, a signal wire core and an auxiliary wire core;
preparing insulating layers of the grounding wire core, the control wire core, the signal wire core and the auxiliary wire core;
preparing a power wire core insulating layer, and sleeving an upper cooling pipe outside the power wire core insulating layer;
manufacturing a control cable core, a signal cable core and an auxiliary cable core;
twisting the power wire core, the cooling pipe, the grounding wire core, the control wire core, the signal wire core, the auxiliary wire core and the return pipe into a bus wire core, and wrapping a total wire core wrapping tape outside the bus wire core;
and extruding an outer sheath outside the total cable core wrapping belt.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2022/130649 WO2024098252A1 (en) | 2022-11-08 | 2022-11-08 | Liquid-cooled charging cable for new energy vehicle and production process for liquid-cooled charging cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116018656A true CN116018656A (en) | 2023-04-25 |
| CN116018656B CN116018656B (en) | 2024-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202280005289.9A Active CN116018656B (en) | 2022-11-08 | 2022-11-08 | Liquid cooling charging cable for new energy automobile and production process thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN116018656B (en) |
| WO (1) | WO2024098252A1 (en) |
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| US20220037056A1 (en) * | 2018-09-14 | 2022-02-03 | BRUGG eConnect AG | Coolable single wire line and charging cable |
| CN209232433U (en) * | 2018-12-19 | 2019-08-09 | 江苏上上电缆集团有限公司 | A kind of hollow cable |
| CN211181729U (en) * | 2020-01-03 | 2020-08-04 | 江苏上上电缆集团有限公司 | New energy cooling cable for low-temperature environment |
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| CN116018656B (en) | 2024-04-12 |
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