CN207781223U - High-power cooling type direct-current charging post cable - Google Patents

High-power cooling type direct-current charging post cable Download PDF

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Publication number
CN207781223U
CN207781223U CN201721498481.9U CN201721498481U CN207781223U CN 207781223 U CN207781223 U CN 207781223U CN 201721498481 U CN201721498481 U CN 201721498481U CN 207781223 U CN207781223 U CN 207781223U
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China
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core
layer
current charging
cooling type
charging post
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CN201721498481.9U
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Inventor
任金玲
赵凯斌
崔久德
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Wuxi XINHONGYE Cable Technology Co.,Ltd.
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Wuxi Xinhongye Wire & Cable Co Ltd
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Abstract

The utility model discloses a kind of high-power cooling type direct-current charging post cables, including:Two groups of signal control line cables,Two active force cores,Two stand-by power cores,A piece ground wire,The PP fill-nets of high thermal conductivity are added between core and core,One layer of heat conduction film is wound outside core group,Heat conduction film is coated with the elastomeric polyolefin material of one layer of wear resistant corrosion resistant,The conductor of two active force cores is twisted by several group braided wires,It is dredged around one layer of heat safe Teflon hollow pipe outside conductor,It is overlapped wrapped one layer heat safe PTFE twining package tape outside Teflon hollow pipe,The heat safe soft type elastomeric polyolefin material of one layer of PTFE twining package tapes outer wrapping,The high-power cooling type direct-current charging post cable solves the problems, such as that existing charging pile cable is small with cross-section nominal load,Current-carrying capacity is 2.5 ~ 3 times of same O. cable,The resistance to bend(ing) energy of product,Wear-resisting property,Oil resistance,Corrosion resistance,Use temperature range,It recycles round-trip number and has and significantly promoted.

Description

High-power cooling type direct-current charging post cable
Technical field
The utility model is related to electric wire and its manufacturing fields, and in particular to high-power cooling type direct-current charging post electricity Cable.
Background technology
With the development of modern industry, environmental problem getting worse, New-energy electric vehicle is increasingly by countries in the world Approval and start to promote;The power resources of New-energy electric vehicle be accumulator, the capacity of accumulator and charging time at To assess the key index of a New-energy electric vehicle performance.New-energy electric vehicle charging at present is generally specifically being charged It charges in stake, passes through certain using connector and charging pile cable connection, cable between charging pile and New-energy electric vehicle When load current, conductor, which will produce heat, leads to electric cable heating, and when the load current of cable is more than nominal load, entail dangers to makes Therefore the nominal load of same O. cable is significantly promoted, the compressed charge time, becomes New-energy electric vehicle with safety Field one of problem in the urgent need to address.
Utility model content
The purpose of this utility model is to provide a kind of high-power cooling type direct-current charging post cable and its manufacturing method, such High-power cooling type direct-current charging post cable solves the problems, such as that existing charging pile cable is small with cross-section nominal load, current-carrying capacity Be 2.5~3 times of same O. cable, meanwhile, the resistance to bend(ing) energy of product, wear-resisting property, oil resistance, corrosion resistance, Use temperature range, the round-trip number of cycle have compared with existing product significantly to be promoted.
In order to achieve the above objectives, the technical solution adopted in the utility model is:High-power cooling type direct-current charging post cable, Including:Two groups of signal control line cables, two active force cores, two stand-by power cores, a ground wire, between core and core PP fill-nets added with high thermal conductivity, wind one layer of heat conduction film outside core group, heat conduction film be coated with one layer it is wear-resisting Corrosion resistant elastomeric polyolefin material, it is characterised in that:The conductor of two active force cores is twisted by several group braided wires, It is dredged outside conductor around one layer of heat safe Teflon hollow pipe, it is wrapped that Teflon hollow pipe is overlapped wrapped one layer of heat safe PTFE outside Band, the heat safe soft type elastomeric polyolefin material of one layer of PTFE twining package tapes outer wrapping.
It is as follows that technical solution is further improved in above-mentioned technical proposal:
In said program, the manufacturing method of two active force cores is:
Step 1:The soft round copper stranded conductor for selecting a diameter of 0.15~0.20mm, 40 are taken according to the sectional area of active force core ~90, according to 35~38 times of lay ratio bundle strand at strand;
Step 2:Strand made of step 1 is placed according to the arrangement mode of 6+12 in the outside of strand, according to 18~20 Lay ratio again is twisted into conductor inner core;
Step 3:Conductor inner core made of step 2 is placed on to the center of wire twisting equipment, outside dredge around place 6~ 20 endwall thickness are not less than the φ 3mm high temperature resistant Teflon hollow pipes of 1mm, are dredged around one layer according to 12~14 lay ratio;
Step 4:The hollow pipe surface of the Teflon made of step 3 according to overlap mode coat a layer thickness be 0.04~ The high temperature resistant PTFE twining package tapes of 0.1mm;
Step 5:It is 22~25 in screw slenderness ratio:Soft type elastomeric polyolefin material is added in 1 90 extruding machines of φ The temperature setting of material, extruding machine 8 warm areas from feed inlet to mold is followed successively by:125℃、 135℃、140℃、145℃、150 DEG C, 150 DEG C, 145 DEG C, 145 DEG C, adjust the screw speed and hauling speed of extruding machine, make the soft type elastomer polyene of extrusion Hydrocarbon material is uniformly coated on the wrapped belt surfaces of PTFE made of step 4, and cladding thickness is 1.2~2.5mm, after cooling drying It crosses power frequency spark tester and carries out online defects detection, test voltage 5kV obtains active force line by rear income disk tool Core.
In said program, the manufacturing method of high-power cooling type direct-current charging post cable is:
Step 1:Two active force cores and a ground wire are placed on the cage cable-former of 800~φ of φ 1250, are in three Angular distribution places two groups of letters on the basis of the straight line that the center of two active force cores is formed by connecting in the opposite of ground wire Number controlling cable, respectively places a stand-by power core, between core and core on the outside of the connection of active force core and ground wire The fill-net for adding high thermal conductivity, semi-finished product are twisted into according to 25~35 times of lay ratio;
Step 2:The semi-finished product outer surface made of step 1 according to overlap mode coat a layer thickness be 0.1~ 0.2mm heat conduction films;
Step 3:It is 22~25 in screw slenderness ratio:The bullet of wear resistant corrosion resistant is added in 1 90~φ of φ, 120 extruding machines Property body polyolefine material, the temperature setting of extruding machine 7 warm areas from feed inlet to mold is followed successively by:130℃、140℃、145℃、 150 DEG C, 155 DEG C, 155 DEG C, 150 DEG C, 150 DEG C, the screw speed and hauling speed of extruding machine are adjusted, the abrasion-proof corrosion-proof of extrusion is made The elastomeric material of erosion is uniformly coated on heat conduction film outer surface made of step 2, and income disk tool obtains after cooling drying The cable.
Since above-mentioned technical proposal is used, the utility model has following advantages and effect compared with prior art:
It is dredged outside active force core around one layer of Teflon hollow pipe, after Teflon hollow pipe is passed through circulating cooling liquid, the band leakage of electricity The heat that cable generates when loading, with the increase of load, the heat that circulating cooling liquid is taken away is more so that cable is passable negative Load greatly promotes;The overlapping of PTFE twining package tapes is wrapped, has lockked from the hollow ligament of Teflon and has dissipated the amount of residual heat leaked out, Teflon Coolant liquid in hollow pipe sends out amount of residual heat inside cable, and cable surface temperature when there is load is made to rise unobvious, from And significantly promote the rated current-carrying capacity of cable;Central filler has the fill-net of high thermal conductivity, outer winding one when core is twisted Layer heat conduction polyester film is arranged in pairs or groups by the fill-net and heat conduction film of high thermal conductivity, inside entire cable when loading The heat of generation is further distributed and is homogenized, and promotes cooling effect and heat dissipation effect;It is poly- that internal layer core extrudes soft type elastomer Olefin material further protects Teflon hollow pipe injury-free in use, and outer layer extrudes the elasticity of wear resistant corrosion resistant Body polyolefine material, to significantly promote the performances such as the wear-resisting property, oil resistance, corrosion resistance of entire cable.
Description of the drawings
Fig. 1 is the high-power cooling type direct-current charging post construction of cable schematic diagram of the utility model;
Fig. 2 is the active force core structure schematic diagram of the high-power cooling type direct-current charging post cable of the utility model;
In the figures above:1, signal control line cable;2, active force core;3, stand-by power core;4, ground wire;5, it fills Net;6, heat conduction film;7, the elastomeric polyolefin material of wear resistant corrosion resistant;2-1, conductor;2-2, strand;2-3, Teflon are empty Heart pipe;2-4, PTFE twining package tape;2-5, soft type elastomeric polyolefin material.
Specific implementation mode
The utility model is further described with reference to the accompanying drawings and embodiments:
Embodiment:High-power cooling type direct-current charging post cable, including:Two groups of signal control line cables, 1, two active line of force 2, two, the core ground wire 4 of stand-by power core 3, one is added with the PP fill-nets 5 of high thermal conductivity, line between core and core One layer of heat conduction film 6 is wound outside core group, heat conduction film is coated with the elastomeric polyolefin material 7 of one layer of wear resistant corrosion resistant, It is characterized in that:The conductor 2-1 of two active force cores 2 is twisted by several group braided wire 2-2, is dredged outside conductor 2-1 resistance to around one layer It is overlapped wrapped one layer heat safe PTFE twining package tapes 2-4, PTFE outside the Teflon hollow pipe 2-3 of high temperature, Teflon hollow pipe 2-3 The heat safe soft type elastomeric polyolefin material 2-5 of one layer of twining package tape 2-4 outer wrappings.
The manufacturing method of above-mentioned two active force cores 2 is:
Step 1:The soft round copper stranded conductor for selecting a diameter of 0.15~0.20mm, 40 are taken according to the sectional area of active force core ~90, according to 35~38 times of lay ratio bundle strand at strand 2-2;
Step 2:Strand 2-2 made of step 1 is placed according to the arrangement mode of 6+12 in the outside of strand 2-2, according to 18~20 times of lay ratio is twisted into conductor inner core;
Step 3:Conductor inner core made of step 2 is placed on to the center of wire twisting equipment, outside dredge around place 6~ 20 endwall thickness are not less than the φ 3mm high temperature resistant Teflon hollow pipe 2-3 of 1mm, are dredged around one layer according to 12~14 lay ratio;
Step 4:The surfaces Teflon hollow pipe 2-3 made of step 3 coat a layer thickness according to overlap mode and are The high temperature resistant PTFE twining package tapes 2-4 of 0.04~0.1mm;
Step 5:It is 22~25 in screw slenderness ratio:Soft type elastomeric polyolefin material is added in 1 90 extruding machines of φ The temperature setting of 2-5, extruding machine 8 warm areas from feed inlet to mold are followed successively by:125℃、 135℃、140℃、145℃、150 DEG C, 150 DEG C, 145 DEG C, 145 DEG C, adjust the screw speed and hauling speed of extruding machine, make the soft type elastomer polyene of extrusion Hydrocarbon material is uniformly coated on the wrapped belt surfaces of PTFE made of step 4, and cladding thickness is 1.2~2.5mm, after cooling drying It crosses power frequency spark tester and carries out online defects detection, test voltage 5kV obtains active force core by rear income disk tool 2。
Above-mentioned high-power cooling type direct-current charging post cable, manufacturing method are:
Step 1:Two active force cores and a ground wire are placed on the cage cable-former of 800~φ of φ 1250, are in three Angular distribution places two groups of letters on the basis of the straight line that the center of two active force cores is formed by connecting in the opposite of ground wire Number controlling cable, respectively places a stand-by power core, between core and core on the outside of the connection of active force core and ground wire The fill-net for adding high thermal conductivity, semi-finished product are twisted into according to 25~35 times of lay ratio;
Step 2:The semi-finished product outer surface made of step 1 according to overlap mode coat a layer thickness be 0.1~ 0.2mm heat conduction films;
Step 3:It is 22~25 in screw slenderness ratio:The bullet of wear resistant corrosion resistant is added in 1 90~φ of φ, 120 extruding machines Property body polyolefine material, the temperature setting of extruding machine 7 warm areas from feed inlet to mold is followed successively by:130℃、140℃、145℃、 150 DEG C, 155 DEG C, 155 DEG C, 150 DEG C, 150 DEG C, the screw speed and hauling speed of extruding machine are adjusted, the abrasion-proof corrosion-proof of extrusion is made The elastomeric material of erosion is uniformly coated on heat conduction film outer surface made of step 2, and income disk tool obtains after cooling drying The cable.
According to the method described above, it is 35mm that active force core sectional area, which is made,2High-power cooling type direct-current charging post cable, The main performance index of cable meets desired design, is specifically shown in Table 1.
1 35mm of table2High-power cooling type direct-current charging post cable main performance index
The utility model proposes high-power cooling type direct-current charging post cable, be passed through circulating cooling to Teflon hollow pipe Liquid cools down conductor, so that the rated current-carrying capacity of cable is 2.5~3 times of same O. cable, the product Resistance to bend(ing) energy, wear-resisting property, oil resistance, corrosion resistance, use temperature range, the round-trip number also more existing production of cycle Product, which have, significantly to be promoted.It is 35mm with active force core sectional area2For, the master of the cable and customary DC charging pile cable Performance indicator contrast table is wanted to be shown in Table 2, comprehensive performance comparison is shown in Table 3.
2 main performance index contrast table of table
3 comprehensive performance contrast table of table
To sum up, the utility model proposes high-power cooling type direct-current charging post cable, solve existing charging pile cable With the small problem of cross-section nominal load, current-carrying capacity is 2.5~3 times of same O. cable, meanwhile, the resistance to bend(ing) of product Energy, wear-resisting property, oil resistance, corrosion resistance, use temperature range, the round-trip number of cycle have significantly compared with existing product It is promoted.
Above-described embodiment is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with technique Personage can understand the content of the utility model and implement according to this, the scope of protection of the utility model can not be limited with this. It is all according to equivalent change or modification made by the spirit of the present invention essence, should all cover the scope of protection of the utility model it It is interior.

Claims (7)

1. high-power cooling type direct-current charging post cable, including:Two groups of signal control line cables (1), two active force cores (2), Two stand-by power cores (3), a ground wire (4) are added with the PP fill-nets (5) of high thermal conductivity between core and core, One layer of heat conduction film (6) is wound outside core group, heat conduction film is coated with the elastomeric polyolefin material of one layer of wear resistant corrosion resistant (7), it is characterised in that:The conductor (2-1) of two active force cores (2) is twisted by several group braided wires (2-2), conductor (2- 1) outside dredge around one layer of heat safe Teflon hollow pipe (2-3), Teflon hollow pipe (2-3) be overlapped outside wrapped one layer it is heat safe PTFE twining package tapes (2-4), the heat safe soft type elastomeric polyolefin material (2-5) of one layer of PTFE twining package tapes (2-4) outer wrapping.
2. high-power cooling type direct-current charging post cable according to claim 1, it is characterised in that:Two active force cores (2) and a ground wire (4), distribution triangular in shape, the center line being formed by connecting using the center of two active force cores (2) is base Standard places two groups of signal control line cables (1), in the company of two groups of active force cores (2) and ground wire (4) in the opposite of ground wire (4) It connects outside and respectively places a stand-by power core (3), the fill-net (5) of high thermal conductivity is added between core and core, according to 25~35 times of lay ratio is twisted into semi-finished product;It is 0.1~0.2mm that semi-finished product outer surface coats a layer thickness according to overlap mode Heat conduction film (6);Using extruder the elastomeric material (7) of wear resistant corrosion resistant is coated in the outer surface of heat conduction film (6).
3. high-power cooling type direct-current charging post cable according to claim 1, it is characterised in that:Two active forces The conductor (2-1) of core (2), using the soft round copper stranded conductor of a diameter of 0.15~0.20mm, according to the section of active force core (2) Product takes 40~90, according to 35~38 times of lay ratio bundle strands at strand (2-2).
4. high-power cooling type direct-current charging post cable according to claim 3, it is characterised in that:Strand (2-2) has 19 Root, is sequentially placed from inside to outside using the arrangement mode of 1+6+12, and conductor inner core is twisted into according to 18~20 times of lay ratio.
5. high-power cooling type direct-current charging post cable according to claim 4, it is characterised in that:In being with conductor inner core The heart dredges the φ 3mm high temperature resistant Teflon hollow pipes (2-3) for being not less than 1mm around 6~20 endwall thickness of placement outside conductor inner core, It is dredged around one layer according to 12~14 lay ratio.
6. high-power cooling type direct-current charging post cable according to claim 5, it is characterised in that:Teflon hollow pipe The surface (2-3) coats the high temperature resistant PTFE twining package tapes (2-4) that a layer thickness is 0.04~0.1mm according to overlap mode.
7. high-power cooling type direct-current charging post cable according to claim 5, it is characterised in that:It is squeezed out using extruding machine Soft type elastomeric polyolefin material be uniformly coated on the surface PTFE twining package tapes (2-4), cladding thickness is 1.2~2.5mm.
CN201721498481.9U 2017-11-12 2017-11-12 High-power cooling type direct-current charging post cable Active CN207781223U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107967959A (en) * 2017-11-12 2018-04-27 无锡鑫宏业特塑线缆有限公司 High-power cooling type direct-current charging post cable and its manufacture method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107967959A (en) * 2017-11-12 2018-04-27 无锡鑫宏业特塑线缆有限公司 High-power cooling type direct-current charging post cable and its manufacture method

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Address after: 214000 Jiangsu Province, Wuxi city Xishan District Hexin Road No. 17

Patentee after: Wuxi XINHONGYE Cable Technology Co.,Ltd.

Address before: 214000 Jiangsu Province, Wuxi city Xishan District Hexin Road No. 17

Patentee before: WUXI XINHONGYE WIRE & CABLE Co.,Ltd.