CN109801738A - Positive and negative grade rapid charge cable and preparation method thereof - Google Patents
Positive and negative grade rapid charge cable and preparation method thereof Download PDFInfo
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- CN109801738A CN109801738A CN201910015506.2A CN201910015506A CN109801738A CN 109801738 A CN109801738 A CN 109801738A CN 201910015506 A CN201910015506 A CN 201910015506A CN 109801738 A CN109801738 A CN 109801738A
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- core
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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 invention discloses a kind of positive and negative grade rapid charge cables and preparation method thereof, including conductor, conductor to be successively arranged with wrapping layer, shielded layer and sheath from inside to outside；Conductor is made of the first core parallel to each other, the second core, the first core, the second core outside be enclosed with insulating layer；Insulating layer is TPV elastomer layer, and wrapping layer is fire retardant band wrapping layer, and shielded layer is tinned wird braiding layer, and sheath is polyolefin jacket.The positive and negative grade rapid charge cable has the advantages that oil resistant, high-low temperature resistant, burning generation pernicious gas are few, while the preparation method has the advantages that process is simple and is convenient for operation.
Description
Technical field
The present invention relates to cables, and in particular, to a kind of positive and negative grade rapid charge cable and preparation method thereof.
Background technique
With the development of electric car industry, also double therewith to electric automobile charging pile cabling requirements amount.Due to filling
Electric stake cable is exposed to outdoor environment for a long time, it is desirable that load current is larger, and conductor easily generates heat in cable energization operation, and is using
Frequently towing movement in the process rolls, solar radiation, air oxidation, the corrosion of the factors such as wet water environment vulnerable to automobile.Therefore right
Charging pile cable requires as follows: having in soft, wear-resisting, weatherability, anti-flammability, the performance of acid and alkali-resistance and combustion process without a large amount of
Pernicious gas generates, but existing electric automobile charging pile cable is not able to satisfy above-mentioned most of performances.
Summary of the invention
The object of the present invention is to provide a kind of positive and negative grade rapid charge cable and preparation method thereof, the positive and negative grade rapid charges
Cable has the advantages that oil resistant, high-low temperature resistant, that burning generates pernicious gas is few, while the preparation method has process simply and just
In operation the advantages of.
To achieve the goals above, the present invention provides a kind of positive and negative grade rapid charge cable, including conductor, conductor is by interior
It is successively arranged with wrapping layer, shielded layer and sheath outward；Conductor is made of the first core parallel to each other, the second core, and first
Core, the second core outside be enclosed with insulating layer；Insulating layer is TPV elastomer layer, and wrapping layer is fire retardant band wrapping layer,
Shielded layer is tinned wird braiding layer, and sheath is polyolefin jacket.
Preferably, the first core, the second core are twisted by 786 nude copper wire.
Preferably, the diameter of nude copper wire is 0.2mm.
Preferably, the first core, the second core cross section be semicircle, the first core, the second core are superimposed in parallel
It is cylindrical.
Preferably, insulating layer with a thickness of 2.0mm.
Preferably, the count of shielded layer is not less than 85%.
Preferably, sheath with a thickness of 3.0mm.
The present invention also provides a kind of preparation methods of above-mentioned positive and negative grade rapid charge cable characterized by comprising
1) TPV elastomer is squeezed out and is coated on the first core, the external of the second core forms insulating layer；
2) it is arranged in parallel the first core, the second core to form cylinder, then in external wrapped fire retardant band to be formed
Wrapping layer；
3) tinned wird is knitted to the outside of wrapping layer to form shielded layer；
4) polyolefin is squeezed out into the outside for being coated on shielded layer to form sheath.
Preferably, in step 1), the extrusion temperature of TPV elastomer is 100-120 DEG C.
Preferably, in step 4), the extrusion temperature of polyolefin is 150-180 DEG C.
In the above-mentioned technical solutions, the present invention reduces the space occupied by two cores, while insulating layer, sheath are adopted
It can satisfy flexible nature with elastomer, finally make under the collective effect of insulating layer, wrapping layer, shielded layer and sheath obtained
Positive and negative grade rapid charge cable has the advantages that oil resistant, high-low temperature resistant, burning generation pernicious gas are few, while the preparation method has
The advantages of having process simple and being convenient for operation.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram of preferred embodiment of positive and negative grade rapid charge cable provided by the invention.
Appended drawing reference
1, nude copper wire 2, insulating layer
3, wrapping layer 4, shielded layer
5, sheath
Specific embodiment
Detailed description of the preferred embodiments below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The present invention provides a kind of positive and negative grade rapid charge cables, as shown in Figure 1, include conductor, conductor from inside to outside according to
It is secondary to be arranged with wrapping layer 3, shielded layer 4 and sheath 5；Conductor is made of the first core parallel to each other, the second core, First Line
Core, the second core outside be enclosed with insulating layer 2；Insulating layer 2 is TPV elastomer layer, and wrapping layer 3 is that fire retardant band is wrapped
Layer, shielded layer 4 are tinned wird braiding layer, and sheath 5 is polyolefin jacket.
Above-mentioned positive and negative grade rapid charge cable reduces the space occupied by two cores, while insulating layer 2, sheath 5 are equal
Flexible nature can satisfy using elastomer, finally make under the collective effect of insulating layer 2, wrapping layer 3, shielded layer 4 and sheath 5
Positive and negative grade rapid charge cable obtained has the advantages that oil resistant, high-low temperature resistant, burning generation pernicious gas are few, while the preparation
Method has the advantages that process is simple and is convenient for operation.
In the above-described embodiment, the first core, the radical of conducting wire and building form can be wide in the second core
Variation in range, but in order to further increase the performance of cable, it is preferable that the first core, the second core are by 786 nudes
Copper wire 1 is twisted.
In the above-described embodiment, the first core, the radical of conducting wire and building form can be wide in the second core
Variation in range, but in order to further increase the performance of cable, it is preferable that the diameter of nude copper wire 1 is 0.2mm.
In the present invention, the first core, the concrete shape of the second core and arrangement mode can select in a wide range
It selects, but the space in order to further decrease the first core, the second core occupies, it is preferable that the cross of the first core, the second core
Section is semicircle, and the first core, the second core are superimposed cylindrical in parallel.Semicircular structure has centainly soft simultaneously
It is soft, and then improve the flexibility of cable.
In the above-described embodiment, the thickness of insulating layer 2 can select in a wide range, but in order to further increase
The performance of cable, it is preferable that insulating layer 2 with a thickness of 2.0mm.
In the above-described embodiment, the braiding of shielded layer 4 is close to select in a wide range, but in order to further mention
The performance of high cable, it is preferable that the count of shielded layer 4 is not less than 85%.
In the above-described embodiment, the thickness of sheath 5 can select in a wide range, but in order to further increase electricity
The performance of cable, it is preferable that sheath 5 with a thickness of 3.0mm.
The present invention also provides a kind of preparation methods of above-mentioned positive and negative grade rapid charge cable characterized by comprising
1) TPV elastomer is squeezed out and is coated on the first core, the external of the second core forms insulating layer 2；
2) it is arranged in parallel the first core, the second core to form cylinder, then in external wrapped fire retardant band to be formed
Wrapping layer 3；
3) tinned wird is knitted to the outside of wrapping layer 3 to form shielded layer 4；
4) polyolefin is squeezed out into the outside for being coated on shielded layer 4 to form sheath 5.
In the above-described embodiment, the extrusion temperature of TPV elastomer can select in a wide range, but in order into one
Step improves the performance of cable, it is preferable that in step 1), the extrusion temperature of TPV elastomer is 100-120 DEG C.
In the above-described embodiment, the extrusion temperature of polyolefin can select in a wide range, but in order to further
Improve the performance of cable, it is preferable that in step 4), the extrusion temperature of polyolefin is 150-180 DEG C.
The invention will be further described by the following examples.
Embodiment 1
1) 786/0.2mm is twisted by mold and forms conductor for a semicircle, direction of lay is left-hand.
2) conductor squeezes TPV elastomer by extruder, squeezes out through semicircle mold core and die sleeve, extraordinary TPV elastomer is squeezed
Packet squeezes out thickness 2.0mm, extrusion temperature: 100 DEG C~120 DEG C outside core.
3) parallel stranding: two semicircle insulated wire cores pass through doubling frame, wrapped slim fire retardant band.
4) tinned wird shielded layer is woven by high-speed knitter, count is not less than 85%.
5) the crowded extraordinary polyolefin jacket of room temperature extruder, covering thickness 3.0mm, 150 DEG C~180 DEG C of extrusion temperature.
Detect example 1
Cable made from embodiment 1 is detected, testing result is as follows:
A, tracking current, discharge test: cable cover(ing) layer surface should be subjected to the examination of the surface-discharge under regulation experimental condition
It tests, no matter cross-section of cable size, flashover voltage is not less than 10kV, while measuring surface leakage intensity of flow no more than table 2.0mA
Specified value.
B, oil resistivity: the sheath of cable through immersion oil (No. 20 machine oil or No. 2 oil), immersion oil for 24 hours, the cable size after 100 DEG C
Variation is not more than 1.6mm.
C, Apparatus for Pressure at high-temp: cable passes through pressure testing at being 125 DEG C ± 3 DEG C in temperature, and the thickness at coining is not
Be less than nearby not by the 50% of other caliper readings average values at two of pressure.
D, cryogenic tensile is tested: when cable size is greater than 12.5mm, the test of Ying Caiyong cryogenic tensile measures cable in low temperature
The mechanical performance of (- 40 DEG C) under state has 20% extension and flawless.
E, burning gases acidity: gas pH value >=4.3 caused by cable fire；Conductivity≤10 μ S/mm；Hydracid content
≤5mg/g。
F, single vertical combustion test: testing under the rated condition of GB/T 18380.11, stops for the residual flame of cable after fire
Self-extinguish, burnt parts are away from upper bracket lower edge in 50mm or less and burning extends downwardly and is not more than apart from upper bracket lower edge
540mm person is qualification.
G, smoke density: cable is tested through smoke density, and result light transmittance is not less than 60%
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail within the scope of the technical concept of the present invention can be with various simple variants of the technical solution of the present invention are made, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (10)
1. a kind of positive and negative grade rapid charge cable, which is characterized in that including conductor, the conductor be successively arranged with from inside to outside around
Covering (3), shielded layer (4) and sheath (5)；The conductor is made of the first core parallel to each other, the second core, and described first
Core, the second core outside be enclosed with insulating layer (2)；The insulating layer (2) is TPV elastomer layer, the wrapping layer (3)
For fire retardant band wrapping layer, the shielded layer (4) is tinned wird braiding layer, and the sheath (5) is polyolefin jacket.
2. positive and negative grade rapid charge cable according to claim 1, wherein first core, the second core are by 786
Root nude copper wire (1) is twisted.
3. positive and negative grade rapid charge cable according to claim 1, wherein the diameter of the nude copper wire (1) is
0.2mm。
4. positive and negative grade rapid charge cable according to claim 1, wherein first core, the second core it is transversal
Face is semicircle, and first core, the second core are superimposed cylindrical in parallel.
5. positive and negative grade rapid charge cable according to claim 1, wherein the insulating layer (2) with a thickness of 2.0mm.
6. positive and negative grade rapid charge cable according to claim 1, wherein the count of the shielded layer (4) is not low
In 85%.
7. positive and negative grade rapid charge cable according to claim 1, wherein the sheath (5) with a thickness of 3.0mm.
8. a kind of preparation method of positive and negative grade rapid charge cable as described in claim 1 characterized by comprising
1) TPV elastomer is squeezed out and is coated on first core, the external of the second core forms the insulating layer (2)；
2) it is arranged in parallel first core, the second core to form cylinder, then in external wrapped fire retardant band to be formed
The wrapping layer (3)；
3) tinned wird is knitted to the outside of the wrapping layer (3) to form the shielded layer (4)；
4) polyolefin is squeezed out into the outside for being coated on the shielded layer (4) to form the sheath (5).
9. preparation method according to claim 1, wherein in step 1), the extrusion temperature of the TPV elastomer is
100-120℃。
10. the preparation method according to claim 4, wherein in step 4), the extrusion temperature of the polyolefin is 150-
180℃。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910015506.2A CN109801738A (en) | 2019-01-08 | 2019-01-08 | Positive and negative grade rapid charge cable and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910015506.2A CN109801738A (en) | 2019-01-08 | 2019-01-08 | Positive and negative grade rapid charge cable and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN109801738A true CN109801738A (en) | 2019-05-24 |
Family
ID=66558683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910015506.2A Pending CN109801738A (en) | 2019-01-08 | 2019-01-08 | Positive and negative grade rapid charge cable and preparation method thereof |
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| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201812559U (en) * | 2010-08-03 | 2011-04-27 | 安徽驰宇仪表电缆集团有限公司 | Semicircular-conductor low-voltage dual-core electric power cable |
| CN104835565A (en) * | 2015-05-26 | 2015-08-12 | 安徽华星电缆集团有限公司 | Cable for new energy automobile charging device and preparation method thereof |
| CN105448413A (en) * | 2015-12-18 | 2016-03-30 | 江苏上上电缆集团有限公司 | Semicircular conductor power cable and manufacture method thereof |
| CN205247970U (en) * | 2015-12-18 | 2016-05-18 | 江苏上上电缆集团有限公司 | Half round conductor power cable |
-
2019
- 2019-01-08 CN CN201910015506.2A patent/CN109801738A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201812559U (en) * | 2010-08-03 | 2011-04-27 | 安徽驰宇仪表电缆集团有限公司 | Semicircular-conductor low-voltage dual-core electric power cable |
| CN104835565A (en) * | 2015-05-26 | 2015-08-12 | 安徽华星电缆集团有限公司 | Cable for new energy automobile charging device and preparation method thereof |
| CN105448413A (en) * | 2015-12-18 | 2016-03-30 | 江苏上上电缆集团有限公司 | Semicircular conductor power cable and manufacture method thereof |
| CN205247970U (en) * | 2015-12-18 | 2016-05-18 | 江苏上上电缆集团有限公司 | Half round conductor power cable |
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Application publication date: 20190524 |