CN116913617A - Special cable and preparation method thereof - Google Patents
Special cable and preparation method thereof Download PDFInfo
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- CN116913617A CN116913617A CN202310961914.3A CN202310961914A CN116913617A CN 116913617 A CN116913617 A CN 116913617A CN 202310961914 A CN202310961914 A CN 202310961914A CN 116913617 A CN116913617 A CN 116913617A
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- cable
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- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 238000012360 testing method Methods 0.000 claims description 32
- 238000002474 experimental method Methods 0.000 claims description 23
- 239000010410 layer Substances 0.000 claims description 18
- 150000003839 salts Chemical class 0.000 claims description 17
- 239000007921 spray Substances 0.000 claims description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 13
- 230000002265 prevention Effects 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 238000004804 winding Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 8
- 239000011241 protective layer Substances 0.000 claims description 7
- 239000011265 semifinished product Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000007654 immersion Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims 5
- 238000000034 method Methods 0.000 abstract description 8
- 230000032683 aging Effects 0.000 abstract description 5
- 239000002861 polymer material Substances 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 210000004027 cell Anatomy 0.000 description 14
- 230000007246 mechanism Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005491 wire drawing Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000003168 insulating cell Anatomy 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Abstract
The invention relates to the technical field of cable preparation, in particular to a special cable and a preparation method thereof. The finished cable produced by the method meets the special performance of the cable use environment, and the polymer material used by the cable has high and low temperature resistance and flexibility under the condition of having electrical properties; meanwhile, the cable structure is designed and optimized, so that the ageing resistance and the wear resistance of the cable are improved under the condition of meeting the use requirements, the tensile strength of the cable is improved, the service life is prolonged, the overall flexibility of the cable is enhanced, and the problem that the cable prepared by the existing cable preparation method is low in practicality is solved.
Description
Technical Field
The invention relates to the technical field of cable preparation, in particular to a special cable and a preparation method thereof.
Background
With the improvement of the electric automation degree, the equipment units are more and more required to move back and forth, and in order to prevent the cables from entanglement, abrasion, pull-off and breakage, the cables are often put into a cable drag chain to protect the cables. In practical use, the wire and cable of the drag chain system also often bends back and forth along with the drag chain, which puts high demands on the bending resistance, tearing resistance and wear resistance of the wire and cable of the drag chain system.
The prior art (CN 113555163A) relates to a power cable and a cable preparation method, which comprises a forming mechanism, an injection molding mechanism, a device bracket, a material returning mechanism and a feeding mechanism, wherein the forming mechanism comprises a forming bracket, a driving gear I and a forming sleeve, the forming bracket is rotationally connected with the driving gear I, the forming bracket is rotationally connected with the forming sleeve, and the forming sleeve is in transmission connection with the driving gear I; the cable can pass through a forming mechanism arranged on the power cable preparation device; the molding mechanism and the injection molding mechanism are matched for injection molding to form a sliding protective sleeve; feeding mechanism pushes the slip protective sheath to the cable, when the surface of cable appears damaging, can be through sliding the slip protective sheath to the damage, with slip protective sheath fixed connection in the damage of cable surface, and then protect in a period of time, and then protect temporarily when the cable appears damaging.
By adopting the mode, the cable prepared by the cable preparation method has poor flexibility and poor high and low temperature resistance, so that the practicability of the cable is reduced.
Disclosure of Invention
The invention aims to provide a special cable and a preparation method thereof, and aims to solve the problem that the cable prepared by the existing cable preparation method is low in practicability.
In order to achieve the above object, in a first aspect, the present invention provides a method for preparing a special cable, comprising the steps of:
preparing an electric core:
and coating the battery cell to obtain a primary cable:
and testing the primary cable to obtain a test result:
and judging the primary cable based on the test result to obtain a finished cable.
Wherein, the preparation electric core includes:
processing the plurality of copper monofilaments to obtain a plurality of copper wires;
and stranding a plurality of copper wires to obtain the battery cell.
Wherein, the laminating is carried out to the electric core, and a primary cable is obtained, comprising:
winding the insulation test around the battery cell to obtain an insulation battery cell;
winding a shielding layer on the insulating battery core to obtain a semi-finished product of the cable;
and winding the protective layer on the cable semi-finished product to obtain the primary cable.
The primary cable is tested to obtain a test result, which comprises the following steps:
carrying out a heat-resistant oil experiment on the primary cable to obtain oil-resistant heat data;
carrying out a flooding pressure-resistant experiment on the primary cable to obtain flooding pressure-resistant data;
carrying out a tensile strength experiment on the primary cable to obtain tensile strength data;
performing salt spray prevention experiments on the primary cable to obtain salt spray prevention data;
and generating a test result based on the oil heat resistance data, the water immersion pressure resistance data, the tensile strength data and the salt spray resistance data.
Wherein the test temperature of the salt mist prevention experiment is 35 ℃.
Wherein, the test time of the salt spray prevention experiment is 48 hours.
In a second aspect, a special cable is prepared by the special cable preparation method in the first aspect,
comprises a battery core, an insulating layer, a shielding layer and a protective layer.
According to the special cable and the preparation method thereof, the battery core is prepared, the battery core is coated to obtain the primary cable, the primary cable is tested to obtain a test result, and the primary cable is judged based on the test result to obtain the finished cable. The finished cable produced by the method meets the special performance of the cable use environment, and the polymer material used by the cable has high and low temperature resistance and flexibility under the condition of having electrical properties; meanwhile, the cable structure is designed and optimized, so that the ageing resistance and the wear resistance of the cable are improved under the condition of meeting the use requirements, the tensile strength of the cable is improved, the service life is prolonged, the overall flexibility of the cable is enhanced, and the problem that the cable prepared by the existing cable preparation method is low in practicality is solved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flow chart of a preparation method of a special cable provided by the invention.
Fig. 2 is a flow chart for preparing a cell.
Fig. 3 is a flow chart of the primary cable obtained by coating the battery cells.
Fig. 4 is a flow chart of the primary cable test, resulting in a test result.
Fig. 5 is a schematic structural diagram of a special cable provided by the invention.
1-cell, 2-insulating layer, 3-shielding layer, 4-protective layer.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
Referring to fig. 1 to 4, the present invention provides a method for preparing a special cable, comprising the following steps:
s1, preparing a battery cell 1:
s11, processing a plurality of copper monofilaments to obtain a plurality of copper wires;
specifically, a plurality of copper monofilament materials are subjected to wire drawing and annealing treatment to obtain the annealed oxygen-free copper wire.
S12, twisting the copper wires to obtain the battery cell 1.
Specifically, the annealed oxygen-free copper wires obtained by wiredrawing are stranded into conductors by stranding.
S2, coating the battery cell 1 to obtain a primary cable:
s21, winding the insulation test around the battery cell 1 to obtain an insulation battery cell 1;
the insulating material is made of a butyronitrile polyvinyl chloride composite material or a butyronitrile polyethylene composite material.
Specifically, a die is adopted to wrap the primary battery cell 1 with an aluminum plastic material to obtain an insulating core wire.
S22, winding the shielding layer 3 on the insulating cell 1 to obtain a cable semi-finished product;
specifically, a plurality of insulating core wires are twisted to obtain a cable inner core, and a filling layer is added in a twisting gap between the plurality of insulating core wires.
S23 winding the protective layer 4 on the cable semi-finished product to obtain a primary cable.
Specifically, the shielding layer 3 is wrapped outside the cable inner core, the shielding layer 3 is shielded by flexible galvanized copper wire braiding or aluminum foil materials, and the shielding density is ensured to be more than 80%.
S3, testing the primary cable to obtain a test result:
s31, carrying out a heat-resistant oil experiment on the primary cable to obtain oil-resistant heat data;
specifically, the cable needs to pass a heat-resistant oil experiment (150 ℃ multiplied by 100 h), the surface of the cable is not cracked, the diameter expansion rate is less than or equal to 40%, and the heat-resistant oil experiment is not broken down; through a low-temperature softening experiment (-55 ℃ multiplied by 1 h), the cable is bent at a constant speed for 180 ℃ within 1 minute, and the cable is not cracked for two times, so that oil-heat resistant data are obtained.
S32, carrying out a flooding pressure resistance experiment on the primary cable to obtain flooding pressure resistance data;
specifically, the cable with the withstand voltage of 2.5kV and 5min is not broken down; through weather-proof experiments, under the action of atmosphere and photochemical action, the data of water immersion pressure resistance are obtained.
S33, carrying out a tensile strength experiment on the primary cable to obtain tensile strength data;
specifically, the change rate of the insulation tensile strength and the elongation at break is less than or equal to +/-30%, 21d aging is compared with 42d aging, and the change of the insulation tensile strength and the elongation at break is less than or equal to +/-15%, so that tensile strength data are obtained.
S34, performing salt spray prevention experiments on the primary cable to obtain salt spray prevention data;
the test temperature of the salt spray prevention experiment is 35 ℃.
The test time of the salt spray prevention experiment is 48 hours.
Specifically, by experiment: spraying after the temperature is 35 ℃ and the temperature is stable for 2 hours, wherein the pH value is 6.5-7.2, the test time is 48 hours, and the cable assembly is free from obvious damage, so that salt mist prevention data are obtained.
S35, generating a test result based on the oil heat resistance data, the water immersion pressure resistance data, the tensile strength data and the salt spray resistance data.
Specifically, the oil-heat resistant data, the water immersion pressure resistant data, the tensile strength data and the salt fog resistant data are summarized to obtain test data.
And S4, judging the primary cable based on the test result to obtain a finished cable.
Specifically, the primary cable is judged based on the test result and the rule in the GJB2225A-2008, if the primary cable meets the requirement, a finished cable is obtained, and if the primary cable does not meet the requirement, the process returns to S1 for preparation again.
The beneficial effects are that:
the method greatly improves the ageing resistance and the wear resistance of the cable and improves the tensile strength of the cable;
the method enhances the overall flexibility of the cable;
the shielding layer 3 made of the aluminum plastic material can also enhance the wear resistance and flexibility of the cable in use, better protect the battery cell 1 in the insulating layer 2, and avoid the potential safety hazard caused by the damage of the insulating layer 4 and the insulating layer 2 caused by abrasion or breakage of the cable in the process of moving back and forth.
Referring to fig. 5, in a second aspect, a special cable is prepared by the special cable preparation method of the first aspect,
comprises a battery cell 1, an insulating layer 2, a shielding layer 3 and a protective layer 4.
The use temperature of the cable is-45-125 ℃, and the storage temperature is-55-125 ℃; rated voltage is 0.6/1kV;
the above disclosure is only illustrative of a specific cable and its preparation method, but it should not be construed as limiting the scope of the invention, and it is understood by those skilled in the art that all or part of the above embodiments can be implemented and equivalent changes made according to the claims of the invention still fall within the scope of the invention.
Claims (7)
1. The preparation method of the special cable is characterized by comprising the following steps of:
preparing an electric core:
and coating the battery cell to obtain a primary cable:
and testing the primary cable to obtain a test result:
and judging the primary cable based on the test result to obtain a finished cable.
2. A method of making a specialty cable of claim 1,
the preparation cell comprises:
processing the plurality of copper monofilaments to obtain a plurality of copper wires;
and stranding a plurality of copper wires to obtain the battery cell.
3. A method of manufacturing a specialty cable according to claim 2, wherein,
the step of coating the battery cell to obtain a primary cable comprises the following steps:
winding the insulation test around the battery cell to obtain an insulation battery cell;
winding a shielding layer on the insulating battery core to obtain a semi-finished product of the cable;
and winding the protective layer on the cable semi-finished product to obtain the primary cable.
4. A method of making a specialty cable of claim 3,
and testing the primary cable to obtain a test result, wherein the test result comprises the following steps:
carrying out a heat-resistant oil experiment on the primary cable to obtain oil-resistant heat data;
carrying out a flooding pressure-resistant experiment on the primary cable to obtain flooding pressure-resistant data;
carrying out a tensile strength experiment on the primary cable to obtain tensile strength data;
performing salt spray prevention experiments on the primary cable to obtain salt spray prevention data;
and generating a test result based on the oil heat resistance data, the water immersion pressure resistance data, the tensile strength data and the salt spray resistance data.
5. A method of making a specialty cable of claim 4,
the test temperature of the salt spray prevention experiment is 35 ℃.
6. A method of making a specialty cable of claim 5,
the test time of the salt spray prevention experiment is 48 hours.
7. A special cable prepared by the special cable preparation method according to any one of claims 1-6, characterized in that,
comprises a battery core, an insulating layer, a shielding layer and a protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310961914.3A CN116913617A (en) | 2023-07-29 | 2023-07-29 | Special cable and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310961914.3A CN116913617A (en) | 2023-07-29 | 2023-07-29 | Special cable and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116913617A true CN116913617A (en) | 2023-10-20 |
Family
ID=88358190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310961914.3A Pending CN116913617A (en) | 2023-07-29 | 2023-07-29 | Special cable and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116913617A (en) |
-
2023
- 2023-07-29 CN CN202310961914.3A patent/CN116913617A/en active Pending
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