CN114758842A - High-voltage cable that lightweight is able to bear or endure to transship new energy automobile and production facility thereof - Google Patents

High-voltage cable that lightweight is able to bear or endure to transship new energy automobile and production facility thereof Download PDF

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Publication number
CN114758842A
CN114758842A CN202210571631.3A CN202210571631A CN114758842A CN 114758842 A CN114758842 A CN 114758842A CN 202210571631 A CN202210571631 A CN 202210571631A CN 114758842 A CN114758842 A CN 114758842A
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layer
module
unit
insulating layer
semi
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CN114758842B (en
Inventor
彭立沙
王志辉
罗小琨
章先杰
赵迪
廖锦仁
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Guangzhou Nanyang Cable Group Co ltd
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Guangzhou Nanyang Cable Group Co ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/0036—Details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/06—Insulating conductors or cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/06—Insulating conductors or cables
    • H01B13/14—Insulating conductors or cables by extrusion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/06—Insulating conductors or cables
    • H01B13/16—Insulating conductors or cables by passing through or dipping in a liquid bath; by spraying
    • H01B13/165—Insulating conductors or cables by passing through or dipping in a liquid bath; by spraying by spraying
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
    • H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/0009—Details relating to the conductive cores
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/02—Disposition of insulation
    • H01B7/0275—Disposition of insulation comprising one or more extruded layers of insulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Insulated Conductors (AREA)

Abstract

The invention provides high-voltage cable production equipment for a light-weight overload-resistant new energy automobile, which comprises a soft conductor, an acquisition module, a spraying module, a nesting module, a polymerization module and a processor, wherein the polymerization module is used for gathering the soft conductor so as to be matched with the nesting module to nest the soft conductor; the nesting module is used for nesting the polyester tape at the periphery of the soft conductor so as to form an insulating layer and a wrapping tape layer at the periphery of the soft conductor; the spraying module is used for coating the periphery of the insulating layer wrapped with the soft conductor; the acquisition module is used for acquiring images of the insulating layer, the semiconductive liquid coating shielding layer, the belting layer and the outer sheath layer so as to realize detection of the insulating layer, the semiconductive liquid coating shielding layer, the belting layer and the outer sheath layer. The invention collects the images of the formed shielding layer, the insulating layer and the belting layer through the collection module, and adjusts the nesting speed of the nesting module, the spraying angle of the spraying module and the extrusion speed of the extrusion module according to the image analysis result.

Description

High-voltage cable that lightweight is able to bear or endure to transship new energy automobile and production facility thereof
Technical Field
The invention relates to the technical field of cable production, in particular to a high-voltage cable for a light-weight overload-resistant new energy automobile and production equipment thereof.
Background
The new energy automobile line has the common requirements of common fuel road vehicles, such as oil resistance, excellent electrical property, excellent high and low temperature performance, mechanical property and heat resistance, and also has the special requirements of electric automobile lines. Such as higher current carrying capacity.
For example, the CN107610825B prior art discloses a high temperature resistant flexible cable for connecting new energy vehicles and a production process thereof, the new energy connecting line used in the market at present is an elastomer at 125 ℃ and irradiation crosslinking at 125 ℃, however, the market feeds back that the two products used in the market at present have a cracking phenomenon, which seriously affects the safety of the vehicles. The development of high-voltage connecting wires with higher temperature is urgently needed to meet the market demand.
Another typical prior art, such as CN111540504A, discloses a flexible cable for a new energy automobile and a production process thereof, the quality of the new energy automobile is an important factor influencing the endurance, and when the new energy automobile is reduced by 100kg, the endurance mileage can be increased by 10% -11%, and the endurance mileage is prolonged, so that the new energy automobile is bound to be light in weight. The new energy automobile wire accounts for about 2% of the weight of the automobile body, and the light weight effect cannot be ignored. Along with the improvement of the riding comfort required by people, the number of electric products in the automobile is increased continuously, the circuits for connecting the electric appliances are complicated, the electromagnetic field interference exists between the circuits, the circuit signals are attenuated, and the effect of ideally controlling the electric appliances in the automobile cannot be achieved.
The invention aims to solve the problems of poor insulation performance, interference among cables, heavy cable, poor temperature resistance, over-high cable hardness, incapability of being suitable for laying in a narrow space of new energy and the like in the field.
Disclosure of Invention
The invention aims to provide a high-voltage cable for a light-weight overload-resistant new energy automobile and production equipment thereof.
The invention adopts the following technical scheme:
a high-voltage cable production device for a lightweight overload-resistant new energy automobile comprises a soft conductor, an acquisition module, a spraying module, a nesting module, a polymerization module and a processor, wherein an insulating layer, a semi-conductive liquid coating shielding layer, a braided shielding layer, a wrapping tape layer and an outer sheath layer are sequentially arranged from inside to outside along the radius direction of the soft conductor; the high-voltage cable comprises a soft conductor inner core, and an insulating layer, a semi-conductive liquid coating shielding layer, a braided shielding layer, a belting layer and an outer sheath layer which are sequentially arranged from inside to outside along the radius direction of the soft conductor; the high-voltage cable production equipment comprises an acquisition module, a spraying module, a nesting module, a polymerization module, an extrusion module and a processor;
The polymerization module is used for gathering a plurality of strands of soft conductors so as to be matched with the extrusion module to coat the periphery of the soft conductors with an insulating layer;
the extrusion module is used for coating polyolefin insulation materials on the peripheries of the gathered strands of flexible conductors so as to form the flexible conductor insulation layers for protecting the interior;
the spraying module is used for forming a shielding layer on the periphery of the insulating layer wrapped with the soft conductor;
the nesting module is used for nesting a polyester belt at the periphery of the soft conductor wrapped with the braided shielding layer so as to form a belting layer at the periphery of the twisted soft conductor;
the acquisition module is used for acquiring images of the insulating layer, the semiconductive liquid coating shielding layer, the belting layer and the outer sheath layer so as to realize detection of the insulating layer, the semiconductive liquid coating shielding layer, the belting layer and the outer sheath layer;
the processor adjusts the extrusion thickness of the extrusion module, the painting thickness of the spraying module and the nesting speed of the nesting module according to the result of the acquisition module;
the acquisition unit comprises an acquisition probe and a data memory, wherein the acquisition probe is used for acquiring image data of the insulating layer, the semi-conductive liquid coating shielding layer, the belting layer and the outer sheath layer; the data memory is used for storing the image data acquired by the acquisition probe:
The analysis unit acquires image data and filters the image data to filter out interference image noise so as to extract the edges of the images of the insulating layer, the semi-conductive liquid coating shielding layer, the belting layer and the outer sheath layer;
calculating the distance L in the width direction from the ith edge coordinate of the imageiIf the width mean value of any one of the insulating layer, the semi-conductive liquid coating shielding layer, the belting layer and the outer sheath layer is D; the standard deviation of the width of any one of the insulating layer, the semi-conductive liquid coating shielding layer, the belting layer and the outer sheath layer is R, and the standard deviation meets the following requirements:
Figure 926127DEST_PATH_IMAGE002
Figure 187344DEST_PATH_IMAGE004
wherein i is the ith edge position coordinate point; n is the total number of edge location coordinates;
calculating the width deviation index Debias of any one of the insulating layer, the semi-conductive liquid coating shielding layer, the wrapping layer and the outer sheath layer according to the formulaiThe width deviation index DeviateiCalculated according to the following formula:
Figure 652960DEST_PATH_IMAGE006
in the formula, LiIs the distance in the width direction; d is the average value of the width of any one layer of the insulating layer, the semiconductive liquid coating shielding layer, the belting layer and the outer sheath layer;
determining the standard deviation R and the width deviation index Deviate according to the above formulaiThe relationship of (1):
Figure 741264DEST_PATH_IMAGE008
wherein B is a width adjustment coefficient;
If present, is
Figure 89069DEST_PATH_IMAGE008
If processing of the insulating layer, the semi-conductive liquid coating shielding layer, the belting layer and the outer sheath layer has deviation, adjusting the extrusion thickness of an extrusion module, the painting thickness of a spraying module and the nesting speed of a nesting module;
for the calculation of the width adjustment coefficient, the calculation is performed according to the following formula:
Figure 888398DEST_PATH_IMAGE010
wherein d is the processing wall thickness of any one material of polyolefin insulating material, semi-conductive liquid coating and polyester tape, and the value is determined according to the circumferential diameters of different processed cables; Δ x is the maximum deviation distance allowed for machining.
Optionally, the aggregation module includes a gathering unit and a transportation unit, and the gathering unit is configured to gather the soft conductors to form a conductor bundle, and perform an extrusion operation in cooperation with the extrusion module or perform brushing on the outer periphery of the shielding layer in cooperation with the spraying module; the transportation unit is used for transporting the gathered conductor bundle to be sent into the extrusion module, and the periphery of the conductor bundle is coated with the polyolefin insulating material through the extrusion module;
the transportation unit comprises a plurality of protruding members and transportation members, and the protruding members are used for adjusting the positions of the transportation members; the transport member is used for transporting the conductor bundle;
The transportation component is arranged on each protruding component, abuts against the outer surface of the conductor bundle in the process of transporting the conductor bundle and transports the conductor bundle towards the process direction of the nesting module and the spraying module.
Optionally, the nesting module includes a moving unit, a returning unit and a storage unit, and the storage module is used for storing the polyester tapes; the moving unit is used for moving the end part of the polyester tape so as to nest the polyester tape on the periphery of the conductor bundle; the backhaul unit is used for performing backhaul control on the mobile unit; wherein the return unit comprises a set of return tracks and a sensing member, and the moving unit is slidably connected with the set of return tracks; the sensing member is disposed on the return track to be reciprocated in cooperation with the moving unit.
Optionally, the spraying module includes a brushing unit and a drying unit, and the brushing unit is configured to brush the semi-conductive liquid on the periphery of the insulating layer wrapped with the flexible conductor to form a semi-conductive liquid coated shielding layer; the drying unit is used for drying the coated semi-conductive charged liquid;
The brushing unit comprises a spraying cavity, a liquid supply component, a pressurizing component and a plurality of spraying heads, wherein the liquid supply component is used for supplying semi-conductive liquid to each spraying head; the pressurizer is used for pressurizing liquid of the semiconductive liquid sprayed by each spraying head; the liquid supply component is connected with each spraying head to supply the semi-conductive liquid;
wherein each of the spray heads is disposed in the spray chamber.
Optionally, the moving unit includes an adsorbing member, an adjusting member, a moving seat and a moving driving mechanism, and the adjusting member is used for adjusting the position of the adsorbing member; the adsorption member is used for adsorbing the outer wall of the polyester belt; the movable seat is used for supporting the adjusting component and the adsorption component; the moving driving mechanism is used for driving the moving seat to move;
the moving driving mechanism is arranged on the moving seat and drives the moving seat to slide along the direction of the return track.
Optionally, the storage unit storage chamber, a support member and a rotating member, the support member is used for supporting the polyester belt; the rotating member is used for rotating the supporting member to supply the polyester belts;
The supporting member comprises a supporting rod and a supporting plate, one end of the supporting rod vertically penetrates through the supporting plate, the rod body of the supporting rod is hinged to the supporting plate, and the end portion of one end of the supporting rod is in driving connection with the rotating member.
Optionally, the drying unit includes a drying seat, a temperature controller, and a plurality of heating elements, the drying seat is provided with a drying cavity, the drying cavity is provided with an inlet and an outlet, and the drying cavity is used for the passage of the soft conductor wrapped by the insulating layer so as to dry the semi-conductive liquid by matching with the heating elements; the heating element is used for drying the sprayed semi-conductive liquid; each the heating member sets up in the stoving chamber, just temperature controller with each heating member control connection to the temperature is stable in the maintenance stoving chamber.
The invention also provides a high-voltage cable for the light-weight overload-resistant new energy automobile, which comprises a soft conductor, an insulating layer, a semi-conductive liquid coating shielding layer, a braided shielding layer, a wrapping layer and an outer sheath layer which are twisted in the same direction, wherein the insulating layer, the semi-conductive liquid coating shielding layer, the braided shielding layer, the wrapping layer and the outer sheath layer are sequentially arranged from the inner layer to the outer layer along the radius direction of the soft conductor;
The equidirectional twisted flexible conductor is a multi-strand copper conductor, and the twisting pitch-diameter ratio of the multi-strand copper conductor is as follows: 15-20;
the insulating layer is coated on the periphery of the equidirectional twisted flexible conductor in a squeezing mode and is made of polyolefin insulating material which can resist temperature of minus 40 ℃ to 150 ℃ rated and is subjected to ultra-soft irradiation crosslinking;
the semi-conductive liquid is coated on the surface of the insulating layer;
the braided shielding layer is a tinned copper conductor and is braided on the periphery wrapped with the semiconductor electro-hydraulic coating shielding layer.
Optionally, the wrapping tape layer is a polyester tape, and wraps the flexible conductor wrapped with the braided shielding layer in a longitudinal wrapping manner.
Optionally, the outer sheath layer is made of radiation cross-linked polyolefin insulation material and is wrapped on the outermost side of the belting layer in an extruded manner.
The beneficial effects obtained by the invention are as follows:
1. acquiring images of the formed shielding layer, the insulating layer and the belting layer through an acquisition module, and adjusting the nesting speed of a nesting module, the spraying angle of a spraying module and the extrusion speed of an extrusion module according to the result of image analysis;
2. after the polymerization module is used for polymerizing the flexible conductor, the flexible conductor is matched with the nested module and the spraying module to form a shielding layer and an insulating layer, so that the protection and shielding effects of the cable are improved, the circularity of the cable is protected to the maximum extent, and the shielding and protection effects caused by the damage of the shielding layer and the insulating layer are prevented;
3. The gathering unit is matched with the transportation unit, so that the flexible conductors can be gathered together, and the extrusion module and the spraying module are matched to the insulating layer and the shielding layer, so that the shielding interference and protection capabilities of the flexible conductors are improved;
4. the multi-strand flexible conductors are gathered through the polymerization module, so that the multi-strand flexible conductors in the same direction can be in closer contact, the contact area between the flexible conductors is larger, the voltage resistance between the multi-strand flexible conductors is improved, the circularity of the cable is also considered, and the voltage resistance of the cable is further improved;
5. the polyolefin insulating material is supplied and extruded through the melting supply unit and the extrusion unit, so that the insulating layer or the outer sheath layer on the periphery of the conductor bundle can be extruded out, and the protection capability of the inner multi-strand soft conductor is improved;
6. the return track is provided with the plurality of moving seats, so that the moving seats can drive the polyester belts to be nested on the peripheries of the soft conductors wrapped with the braided shielding layers in a circulating and reciprocating manner, and nesting efficiency of the polyester belts is improved;
7. through the cooperation of the acquisition module, the nesting module, the painting module and the extrusion module, the extrusion thickness of the extrusion module, the painting thickness of the spraying module and the nesting speed of the nesting module are dynamically adjusted based on the result of the acquisition module, and the processing precision and the processing efficiency of the cable are improved.
For a better understanding of the features and technical content of the present invention, reference is made to the following detailed description of the invention and accompanying drawings, which are provided for purposes of illustration and description only and are not intended to limit the invention.
Drawings
The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.
FIG. 1 is an overall block diagram of the present invention.
Fig. 2 is a schematic cross-sectional view of an acquisition module of the present invention.
Fig. 3 is a schematic cross-sectional view of the extrusion unit of the present invention.
Fig. 4 is a schematic cross-sectional view at a-a in fig. 3.
FIG. 5 is a schematic view of the melt supply unit of the present invention.
FIG. 6 is a cross-sectional view of the adjusting seat of the present invention.
Fig. 7 is a schematic cross-sectional view of a spray unit of the present invention.
Fig. 8 is a side view schematically illustrating a drying unit according to the present invention.
Fig. 9 is a schematic sectional view at B-B in fig. 8.
Fig. 10 is a schematic top view of the flexible conductor of the present invention and the mobile unit and the return unit.
Fig. 11 is a schematic cross-sectional view of a return track and a mobile unit of the present invention.
Fig. 12 is a partial structural diagram of the return track and the mobile unit of the present invention.
FIG. 13 is a schematic cross-sectional view of a memory cell of the present invention.
Fig. 14 is a schematic structural view of the gathering unit of the present invention.
Fig. 15 is a schematic view of the structure of the transport unit of the present invention.
The reference numbers indicate: 1. a flexible conductor; 2. an adjusting lever; 3. collecting a probe; 4. a rotating ring; 5. a support ring; 6. an extrusion unit; 7. an adjustment ring; 8. an adjustment plate; 9. an extension bar; 10. a supply conduit; 11. a limiting seat; 12. scraping the hole; 13. an extrusion chamber; 14. a melting chamber; 15. a pressing member; 16. a spray head; 17. a spray chamber; 18. a drying seat; 19. an inlet; 20. an outlet; 21. a heating member; 22. a return track; 23. a movable seat; 24. an adsorption member; 25. a polyester tape; 26. a storage chamber; 27. an induction member; 28. a supporting seat; 29. a telescopic rod; 30. a rolling wheel; 31. a support plate; 32. a clamping rod; 33. a gathering rod; 34. a cavity is communicated; 35. clamping the fan ring.
Detailed Description
The following is a description of embodiments of the present invention with reference to specific embodiments, and those skilled in the art will understand the advantages and effects of the present invention from the disclosure of the present specification. The invention is capable of other and different embodiments and its several details are capable of modification in various other respects, all without departing from the spirit and scope of the present invention. The drawings of the present invention are for illustrative purposes only and are not intended to be drawn to scale. The following embodiments will further explain the related art of the present invention in detail, but the disclosure is not intended to limit the scope of the present invention.
The first embodiment.
According to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10, fig. 11, fig. 12, fig. 13, fig. 14, and fig. 15, the present embodiment provides a high voltage cable production apparatus for a lightweight overload-resistant new energy automobile, where the high voltage cable includes a flexible conductor 1, and an insulating layer, a semiconductive liquid coated shielding layer, a braided shielding layer, a tape layer, and an outer jacket layer that are sequentially disposed from inside to outside along a radial direction of the flexible conductor 1; the production equipment comprises an acquisition module, a spraying module, a nesting module, a polymerization module, an extrusion module and a processor; in this embodiment, the production of the cable is sequentially processed according to the sequence of the flexible conductor 1, the insulating layer, the semi-conductive liquid coated shielding layer, the braided shielding layer, the belting layer and the outer sheath layer, so that the insulating layer, the semi-conductive liquid coated shielding layer, the braided shielding layer, the belting layer and the outer sheath layer are sequentially configured on the periphery of the flexible conductor 1 to improve the protection performance of the flexible conductor 1, and the cable is enabled to have the capabilities of shielding and overvoltage resistance;
the polymerization module is used for gathering a plurality of strands of the flexible conductors 1 so as to be matched with the extrusion module to coat the periphery of the flexible conductors 1 with an insulating layer;
The extrusion module is used for coating polyolefin insulating materials on the peripheries of the gathered strands of flexible conductors 1 so as to form an insulating layer for protecting the flexible conductors 1 inside;
the spraying module is used for forming a shielding layer on the periphery of the insulating layer wrapped with the soft conductor 1;
the nesting module is used for nesting a polyester tape 25 at the periphery of the soft conductor 1 wrapped with the braided shielding layer so as to form a wrapping layer at the periphery of the stranded soft conductor 1;
the acquisition module is used for acquiring images of the insulating layer, the semiconductive liquid coating shielding layer, the belting layer and the outer sheath layer so as to realize detection of the insulating layer, the semiconductive liquid coating shielding layer, the belting layer and the outer sheath layer;
the processor adjusts the extrusion thickness of the extrusion module, the painting thickness of the spraying module and the nesting speed of the nesting module according to the result of the acquisition module;
the processor is respectively in control connection with the acquisition module, the spraying module, the nesting module, the aggregation module and the extrusion module, and performs centralized control on the acquisition module, the spraying module, the nesting module, the aggregation module and the extrusion module based on the processor so as to improve the efficient production of the cable;
After the flexible conductor 1 is polymerized by the polymerization module, the flexible conductor 1 is matched with the nesting module and the spraying module to form the shielding layer and the insulating layer, so that the protection and shielding effects of the cable are improved, the circularity of the cable is protected to the maximum extent, and the shielding and protection effects caused by damage of the shielding layer and the insulating layer are prevented;
meanwhile, after the shielding layer and the insulating layer, the images of the shielding layer, the insulating layer and the belting layer are acquired through the acquisition module, and the nesting speed of the nesting module, the spraying angle of the spraying module and the extrusion speed of the extrusion module are adjusted according to the result of image analysis;
as shown in fig. 14, in this embodiment, the aggregation module aggregates a plurality of strands of flexible wires, and processes the shielding layer and the insulating layer in cooperation with the nesting module and the spraying module; the cables with different circumferences are gathered together by selecting a plurality of strands of soft wires with different quantities, and the outer circumference is coated with an insulating layer, a semi-conductive liquid coating shielding layer, a braided shielding layer, a belting layer and an outer sheath layer, so that the whole cable has a cable for a light, soft and high-pressure-resistant new energy automobile;
The polymerization module comprises a gathering unit and a transportation unit, wherein the gathering unit is used for gathering the flexible conductor 1 to form a conductor bundle, and the extrusion module is matched for extrusion operation or the spraying module is matched for coating the periphery of the shielding layer; the transportation unit is used for transporting the gathered conductor bundles to be sent into the extrusion module to coat the polyolefin insulation material on the conductor bundles;
the transportation unit is used for transporting the gathered conductor bundle to be sent into the extrusion module, and the periphery of the conductor bundle is coated with the polyolefin insulating material through the extrusion module; the transportation unit comprises a plurality of protruding members and transportation members, and the protruding members are used for adjusting the positions of the transportation members; the transport member is used for transporting the conductor bundle;
the transportation members are arranged on the extension members, abut against the outer surfaces of the conductor bundles in the transportation process of the conductor bundles and transport the conductor bundles to the process direction of the nesting modules and the spraying modules;
the transportation component comprises a plurality of transportation parts and distance detection pieces, and the distance detection pieces are used for detecting the distance between the transportation parts; the transportation parts are distributed around the periphery of the flexible conductor 1 at equal intervals in a circular manner, so that a plurality of strands of flexible conductors 1 can be tightly close to each other, and the cable is improved to have good electric conduction capability and overload resistance capability;
As shown in fig. 15, the transportation part includes a rolling wheel 30, a supporting base 28, and a transportation driving mechanism, wherein the rolling wheel 30 is disposed on the supporting base 28 and is in driving connection with the transportation driving mechanism to provide a driving force to transport the aggregated multi-strand flexible conductor 1; wherein, the transportation driving mechanism is arranged on the supporting seat 28 and drives the rolling wheel 30 to rotate along the axis of the rolling wheel;
in addition, the adjusting member is connected with the transport parts to adjust the distance between the transport parts; the adjusting member comprises an adjusting ring 7, a telescopic rod 29, a telescopic detection piece and a telescopic driving mechanism, wherein the adjusting ring 7 is used for supporting the telescopic rod 29, one end of the telescopic rod 29 is connected with the inner wall of the adjusting ring 7, and the other end of the telescopic rod extends out towards one side of the axis of the telescopic ring; the telescopic detection piece is used for detecting the extending distance of the telescopic rod 29; the telescopic detection mechanism is in driving connection with the telescopic rod 29 so as to drive the telescopic rod 29 to extend or retract, and the telescopic action on the position of the transportation part is realized;
in particular, the telescopic rod 29 is arranged to be telescopic so as to cooperate with the telescopic driving mechanism to adjust the position of the transportation part;
When the positions of the transportation parts are adjusted by the extending members, the distance between the transportation parts is adjusted according to different circumferences of the processed cables, so that the requirement of processing the cables with different circumferences is met;
meanwhile, adjusting the distance between the transportation parts according to the thickness of the circumference of the processed cable is a technical means well known by those skilled in the art, and thus, the details are not repeated;
in addition, the gathering unit is matched with the transportation unit, so that the flexible conductor 1 can be gathered together, and the extrusion module and the spraying module are matched to the insulating layer and the shielding layer, so that the shielding interference and protection capabilities of the flexible conductor 1 are improved;
the gathering unit comprises a supporting plate 31, a plurality of clamping rods 32, a plurality of gathering rods 33, a plurality of gathering driving mechanisms and a plurality of extension detecting pieces, wherein the extension detecting pieces are used for detecting the extension lengths of the gathering rods 33; one end of each clamping rod 32 is hinged with the edge of the plate body of the support plate 31, and the other end extends out towards one side far away from the support plate 31;
one end of the gathering rod 33 is hinged with the rod body of the clamping rod 32, and the other end of the gathering rod is hinged with the plate body of the supporting plate 31; the gathering driving mechanism is in driving connection with the gathering rod 33 so as to drive the gathering rod 33 to extend or retract; in this embodiment, the gathering rod 33 is provided in a telescopic manner; a clamping fan ring is arranged at one end of the clamping rod 32, which is far away from the end hinged with the support plate 31, and the clamping fan ring is detachably connected with the end part of the clamping rod 32, so that clamping rings with different circumferences can be replaced when different cables are processed; in addition, a circular clamping ring is formed when the clamping fan rings are combined, wherein the radius of the circular clamping ring is matched with that of the cable to be processed;
In addition, the plate body of the supporting plate 31 is provided with a passing cavity 34 for the flexible conductor 1 to pass through, wherein the aperture of the passing cavity 34 is matched with the circumference of the flexible conductor 1;
in addition, under the gathering operation of the gathering rods 33, the holding rods 32 hold the multiple strands of flexible conductors, so that the multiple strands of flexible conductors in the same direction can be in closer contact, the contact area between the flexible conductors 1 is larger, the pressure resistance between the multiple strands of flexible conductors 1 is improved, the circularity of the cable is also considered, and the pressure resistance of the cable is further improved;
after gathering a plurality of strands of flexible conductors 1, wrapping the gathered strands of conductor bundles through an extrusion module to form an insulating layer; in this embodiment, the outer sheath layer may also be coated by the extrusion module;
the extrusion module comprises an extrusion unit 6 and a melting supply unit, wherein the extrusion unit 6 is used for coating a multi-strand conductor bundle with an insulating layer or an outer sheath layer; the melting supply unit is used for melting the polyolefin insulating material of the insulating layer or the outer sheath layer and supplying the melted polyolefin insulating material to the extrusion unit 6 so as to form the insulating layer or the outer sheath layer;
The extrusion unit 6 comprises an extrusion cavity 13 and a thickness adjusting component, and the thickness adjusting component is used for adjusting the thickness of the insulating layer or the outer sheath layer; the extrusion chamber 13 is connected to the melt supply unit; wherein the thickness adjusting member is disposed in the extrusion chamber 13 and adjusts the thickness of the molten polyolefin insulation; wherein the thickness is set by an operator;
the thickness adjusting component comprises adjusting rings 7 of a plurality of types, adjusting plates 8, distance detecting pieces, an extending rod 9 and an extending driving mechanism, the adjusting plates 8 are arranged in the extrusion cavity 13, and the adjusting rods 2 are used for adjusting the positions of the adjusting plates 8; the adjusting driving mechanism is used for driving the adjusting rod 2 to perform telescopic motion;
one end of the adjusting rod 2 is connected with the adjusting plate 8, the other end of the adjusting rod is connected with the inner wall of the extrusion cavity 13, and the distance detection piece is used for detecting the extending length of the adjusting rod 2;
the thickness adjusting component further comprises a limiting seat 11, the limiting seat 11 is used for supporting the adjusting ring 7, and a limiting cavity is arranged on a body of the limiting seat 11 and used for storing the adjusting rings 7 of various types so as to cooperate with the adjusting ring 7 to scrape burrs of the insulating layer or the outer sheath layer;
The adjusting ring 7 is provided with a scraping hole 12, the aperture of the scraping hole 12 is determined according to the circumference of the produced cable, and the circumferences required by each type of cable are not consistent, so that the details are not repeated; the adjusting rings 7 of different types correspond to the scraping holes 12 with different apertures, so that burrs of the extruded insulating layer or the extruded outer sheath layer are scraped, the outer surface of the insulating layer or the outer sheath layer can be smooth, and the protection capability of the whole cable is improved;
meanwhile, the adjusting ring 7 can scrape burrs of the extruded insulating layer or the extruded outer sheath layer, so that the surface of the outermost insulating layer or the outermost outer sheath layer is more flat, the attractiveness of the whole insulating layer or the whole outer sheath layer is improved, the surface smoothness of the extruded insulating layer or the outer sheath layer of the cable is also considered, and the problems of poor quality such as rough surface, scorching and impurities do not exist;
optionally, the melting supply unit comprises a temperature detecting member, a melting chamber 14, a heating member 21, a pressurizing member 15 and a supply pipe 10, the supply pipe 10 is used for supplying polyolefin insulation material in a molten state, wherein two ends of the supply pipe 10 are connected with the melting chamber 14 and the extrusion chamber 13; the temperature detection part is used for detecting the temperature of the melting cavity 14; the heating member 21 is provided in the melting chamber 14 to melt the polyolefin insulation; the pressing member 15 is disposed inside the melting chamber 14 and transports the polyolefin insulation in a molten state through the supply pipe 10 into the extrusion chamber 13;
Wherein, a closed loop is formed among the temperature detection member, the melting chamber 14, the heating member 21 and the processor, if the temperature in the melting chamber 14 does not reach the set temperature, the heating member 21 is heated by the processor, so that the polyolefin insulation material in the melting chamber 14 is in a molten state, and the polyolefin insulation material in the molten state is conveyed to the extrusion chamber through the supply pipeline 10 by matching with the pressurizing member 15;
the polyolefin insulating material is supplied and extruded through the melting supply unit and the extrusion unit, so that the insulating layer or the outer sheath layer on the periphery of the conductor bundle can be extruded out, and the protection capability of the inner multi-strand soft conductor 1 is improved;
the extrusion module also comprises a cooling unit, wherein the cooling unit is used for cooling the extruded insulating layer or outer sheath layer, so that the extruded insulating layer or outer sheath layer can be rapidly cooled and sent to the next flow for processing, and the production efficiency of the cable is improved; how to cool the cooling unit is a technical means well known to those skilled in the art, and those skilled in the art can query the relevant technical manual to know the technology, so that details are not described in this embodiment one by one;
In this embodiment, after the insulating layer is formed by extrusion through the extrusion module, the semi-conductive liquid needs to be sprayed on the outer periphery of the insulating layer, so that the shielding layer is formed on the outer periphery of the insulating layer to shield the electromagnetic pulse influence of the cable on surrounding devices; the spraying module comprises a brushing unit and a drying unit, wherein the brushing unit is used for brushing the periphery of the soft conductor 1 wrapped with the insulating layer with semi-conductive liquid to form a semi-conductive liquid coating shielding layer; the drying unit is used for drying the coated semi-conductive charged liquid;
the painting unit comprises a painting cavity 17, a liquid supply component, a pressurizing component and a plurality of painting heads 16, wherein the liquid supply component is used for supplying semi-conductive liquid to each painting head 16; the pressurizer is used for pressurizing the liquid of the semiconductive liquid sprayed by each spraying head 16; the liquid supply component is connected with each spraying head 16 to supply the semi-conductive liquid; wherein each of the spray heads 16 is disposed in the spray chamber 17;
optionally, the drying unit includes a drying seat 18, a temperature controller, and a plurality of heating members 21, the drying seat 18 is provided with a drying cavity, wherein the drying cavity is provided with an inlet 19 and an outlet 20, and the drying cavity is used for the flexible conductor 1 wrapped with the insulating layer to pass through so as to cooperate with the heating members 21 to dry the semiconductive liquid; the heating element 21 is used for drying the sprayed semiconductive liquid; each heating element 21 is arranged in the drying cavity, and the temperature controller is in control connection with each heating element 21 so as to maintain the temperature in the drying cavity to be stable; drying the insulating layer sprayed with the semiconductive liquid through a drying unit, and sending the insulating layer to the next procedure to improve the production efficiency;
It should be noted that the temperature in the drying chamber needs to be accurately controlled by the temperature controller, so as to prevent the insulation layer from being damaged due to overheating and affecting the insulation effect; as for how to precisely control the temperature through the temperature controller is a technical means well known to those skilled in the art, those skilled in the art can query a related technical manual to obtain the technology, and thus details are not repeated in this embodiment;
optionally, the nesting module comprises a moving unit, a return unit and a storage unit, and the storage module is used for storing the polyester strip 25; the moving unit is used for moving the end part of the polyester tape 25 so as to nest the polyester tape 25 on the periphery of the conductor bundle; the backhaul unit is used for performing backhaul control on the mobile unit; wherein the return unit comprises a set of return rails 22 and a sensing member 27, and the mobile unit is slidably connected with the set of return rails 22; the sensing member 27 is disposed on the return rail 22 to be reciprocated in cooperation with the moving unit; wherein the return track 22 is configured as an elliptical track, so that the moving unit can move in a reciprocating manner and cooperate with the moving unit to transport the polyester belt 25;
By the cooperation of the moving unit, the return unit and the storage unit, the polyester tape 25 can be transported and nested, so as to lift the polyester tape 25 to be nested on the periphery of the flexible conductor 1 wrapped with the braided shielding layer to form a wrapping layer; the wrapping tape layer is used for isolating the braided shielding layer and the outer sheath layer so as to protect the outer sheath layer from the condition of poor insulating property of the sheath layer caused by burrs and the like possibly generated by braiding;
optionally, the moving unit includes an adsorption member 24, an adjustment member for adjusting the position of the adsorption member 24, a moving seat 23 and a moving driving mechanism; the adsorption member 24 is used for adsorbing the outer wall of the polyester tape 25; the moving seat 23 is used for supporting the adjusting member and the suction member 24; the moving driving mechanism is used for driving the moving seat 23 to move; wherein, the moving driving mechanism is arranged on the moving seat 23 and drives the moving seat 23 to slide along the direction of the return track 22; meanwhile, the return track 22 is provided with the plurality of moving seats 23, so that the moving seats 23 can drive the polyester tape 25 to be nested on the periphery of the flexible conductor 1 wrapped with the braided shielding layer in a reciprocating manner, and nesting efficiency of the polyester tape 25 is improved;
Wherein, the sensing component 27 is arranged on the adsorption point and the desorption point of the return track 22 to cooperate with the adsorption component 24 to adsorb or desorb the polyester belt 25;
optionally, the storage unit storage chamber 26, a support member for supporting the polyester tape 25, and a rotating member; the rotating member is used for rotating the supporting member to realize the supply of the polyester belt 25;
the supporting member comprises a supporting rod and a supporting plate 31, one end of the supporting rod vertically penetrates through the supporting plate 31, a rod body of the supporting rod is hinged with the supporting plate 31, and the end part of one end of the supporting rod is in driving connection with the rotating member; the polyester tape 25 is a hollow strip, and in the process of producing cables with different circumferences, the polyester tape 25 of a corresponding type needs to be selected and matched with the return unit and the moving unit to enable the polyester tape 25 to be nested on the periphery of the flexible conductor 1 wrapped with the braided shielding layer;
the adsorption member 24 comprises an adsorption nozzle and an adsorption pump, the adsorption nozzle is adsorbed on the outer wall of the polyester belt 25 and is matched with the moving seat 23 to nest the polyester belt 25; the adsorption pump is used for providing suction force so that the adsorption nozzle can be adsorbed on the outer wall of the polyester belt 25;
Specifically, the polyester tape 25 stored in the storage chamber 26 is provided as a roll of the polyester tape 25 (a rolled polyester tape 25 having a length selected to match a processing distance), and the polyester tape 25 is supplied to the moving unit in cooperation with the supporting member and the rotating member;
in addition, in the process of processing the insulating layer, the semiconductive liquid coating shielding layer, the belting layer and the outer sheath layer, the acquisition module is required to be matched to detect the insulating layer, the outer sheath layer and the semiconductive liquid coating shielding layer so as to dynamically adjust the processing parameters according to the result of the acquisition module;
the acquisition module comprises an acquisition unit, an adjustment unit and an analysis unit, wherein the adjustment unit is used for adjusting the position of the acquisition unit; the acquisition unit is used for acquiring image data of the insulating layer, the semiconductive liquid coating shielding layer, the belting layer and the outer sheath layer;
the acquisition unit comprises an acquisition probe 3 and a data memory, wherein the acquisition probe 3 is used for acquiring image data of the insulating layer, the semiconductive liquid coating shielding layer, the belting layer and the outer sheath layer; the data memory is used for storing the image data acquired by the acquisition probe 3:
The analysis unit acquires image data and filters the image data to filter out interference image noise so as to extract the edges of the images of the insulating layer, the semi-conductive liquid coating shielding layer, the belting layer and the outer sheath layer; the extraction of the edge of the image is a technical means well known to those skilled in the art, and those skilled in the art can query a relevant technical manual to obtain the technology, so that details are not repeated in this embodiment.
Calculating the distance L in the width direction from the ith edge coordinate of the imageiThe width average value of any one of the insulating layer, the semiconductive liquid coating shielding layer, the belting layer and the outer sheath layer is D; the insulating layer and the semi-conductive liquid coatingThe standard deviation of the width of any one of the shielding layer, the belting layer and the outer sheath layer is R, and the standard deviation satisfies the following conditions:
Figure DEST_PATH_IMAGE012
Figure DEST_PATH_IMAGE014
in the formula, i is the ith edge position coordinate point; n is the total number of edge position coordinates;
calculating the width deviation index Debias of any one of the insulating layer, the semi-conductive liquid coating shielding layer, the wrapping layer and the outer sheath layer according to the formulaiThe width deviation index DeviateiCalculated according to the following formula:
Figure DEST_PATH_IMAGE016
in the formula, LiIs the distance in the width direction; d is the average value of the width of any one layer of the insulating layer, the semiconductive liquid coating shielding layer, the belting layer and the outer sheath layer;
Determining the standard deviation R and the width deviation index Deviate according to the formulaiThe relationship of (c):
Figure DEST_PATH_IMAGE018
wherein B is a width adjustment coefficient;
if present, is
Figure 848001DEST_PATH_IMAGE018
If the processing of the insulating layer, the semiconductive liquid coating shielding layer, the belting layer and the outer sheath layer has deviation, adjusting the extrusion thickness of an extrusion module, the painting thickness of a spraying module and the nesting speed of the nested module;
for the calculation of the width adjustment coefficient, the calculation is performed according to the following formula:
Figure DEST_PATH_IMAGE020
wherein d is the processing wall thickness of any one material of the polyolefin insulating material, the semi-conductive liquid coating and the polyester tape, and the value of d is determined according to the circumferential diameter of different processed cables; Δ x is the maximum deviation distance allowed by machining;
the acquisition module is matched with the nesting module, the painting module and the extrusion module, and the extrusion thickness of the extrusion module, the painting thickness of the spraying module and the nesting speed of the nesting module are dynamically adjusted based on the result of the acquisition module, so that the processing precision and the processing efficiency of the cable are improved; meanwhile, the cable also has the characteristics of high temperature resistance, excellent mechanical property, excellent electrical property, high flexibility and the like;
the cable produced by the invention has excellent overload resistance, adapts to and allows the short-time overload of the new energy automobile in actual use, is convenient for the automobile design to select small-section cables, is convenient for installation, saves the installation and wiring space, and provides a great optimization space for the light weight of the automobile;
As shown in fig. 2, the adjusting unit includes a rotating member, a lifting rod, a lifting detection member, and a lifting driving mechanism, wherein the rotating member is used for supporting the lifting rod; one end of the lifting rod is connected with the rotating component, the other end of the lifting rod extends out towards one side far away from the rotating component, and the end part of the lifting rod is connected with the acquisition probe 3, so that the acquisition probe 3 can acquire image data of the insulating layer, the semi-conductive liquid coating shielding layer, the belting layer and the outer sheath layer;
the lifting detection piece is used for detecting the lifting height of the lifting rod; the lifting driving mechanism is in driving connection with the lifting rod so as to adjust the position of the acquisition probe 3;
the rotating component comprises a supporting ring 5, a rotating ring 4, a rotation driving mechanism and a rotation angle detection piece, the supporting ring 4 and the supporting ring 5 are embedded at the periphery of the flexible conductor 1, and the supporting ring 5 is used for supporting the rotating ring 4;
the inner wall of the support ring 5 is provided with an annular track, wherein the rotating ring 4 is nested on the inner side of the support ring 5, and the rotating ring 4 is connected with the support ring 5 in a sliding manner and slides along the annular track on the inner side of the support ring 5 under the driving of the rotation driving mechanism;
The rotating ring 4 is provided with a detection hole for the flexible conductor 1 to pass through, wherein the detection hole is coaxially arranged with the rotating ring 4;
the position of the acquisition unit is adjusted through the adjusting unit to acquire image data of the insulating layer, the semi-conductive liquid coating shielding layer, the wrapping layer and the outer sheath layer at a plurality of angles, so that the high efficiency and the high quality of cable production are improved.
The second embodiment.
This embodiment should be understood to include at least all the features of any one of the embodiments described above and further improved on the basis thereof, and according to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10, fig. 11, fig. 12, fig. 13, fig. 14 and fig. 15, there is provided a high voltage cable for a new energy automobile with reduced weight and overload, the high voltage cable including a twisted flexible conductor 1, an insulating layer, a semiconductive liquid coated shielding layer, a braided shielding layer, a tape covering layer and an outer sheath layer, and the insulating layer, the semiconductive liquid coated shielding layer, the braided shielding layer, the tape covering layer and the outer sheath layer are sequentially disposed from the inner layer to the outer layer in a radial direction of the flexible conductor 1;
the equidirectional twisted flexible conductor 1 is a multi-strand copper conductor, and the twisting pitch-diameter ratio of the multi-strand copper conductor is as follows: 15-20, so that the composite material has excellent softness and smaller twisting outer diameter, the structural size is reduced, and a foundation is laid for light weight;
The insulating layer is coated on the periphery of the equidirectional twisted flexible conductor 1 in a squeezing mode and is made of polyolefin insulating material which can resist temperature of minus 40 ℃ to 150 ℃ rated and is subjected to ultra-soft irradiation crosslinking; the cable has the characteristics of high temperature resistance, excellent mechanical property, excellent electrical property, high flexibility and the like through the insulating layer made of the polyolefin insulating material, has excellent overload resistance, and is suitable for and allows the application condition of short-time overload in actual use of a new energy automobile; meanwhile, the small-section cable is convenient for automobile design and selection, the installation is convenient, the installation and wiring space is saved, and a great optimization space is provided for the light weight of the automobile;
the semi-conductive liquid is coated on the surface of the insulating layer; the dried semi-conductive liquid coated shielding layer has a good shielding effect on the basis of not influencing the insulating property of the insulating layer, is thin, has little influence on the structural size, does not influence the flexibility of the cable, has long service life, and does not attenuate the shielding effect after the cable is bent;
the braided shielding layer adopts a tinned copper conductor and is braided on the periphery wrapped with the semiconductor electro-hydraulic coating shielding layer; the conductor is prevented from being oxidized, and the service life is prolonged; the braiding angle is 15-30 degrees, the braiding coverage rate is 85% -90%, and the semi-conductive shielding layer is combined with the semi-conductive shielding layer, so that the semi-conductive shielding layer has excellent shielding performance, electromagnetic interference of an external environment is avoided, and interference of electromagnetic pulse signals of the cable caused by rapid change of the cable on surrounding parts is isolated;
The braiding of the braided shielding layer by the braiding machine to form the braided shielding layer is a technical means known to those skilled in the art, and those skilled in the art can query a related technical manual to obtain the technology, so that details are not described in this embodiment;
optionally, the wrapping layer is a polyester tape 25, and the flexible conductor wrapped with the braided shielding layer is wrapped in a longitudinal wrapping manner; the overlapping rate of the lapping is 10-15%, the braiding layer and the outer sheath layer are mainly isolated, the outer sheath layer is protected, the poor insulating property of the sheath layer cannot be caused due to the condition that burrs possibly generated by braiding and the like, the production efficiency is high by adopting a longitudinal wrapping mode, the soft performance of the cable cannot be influenced, and if a traditional wrapping process is adopted, the tightness of wrapping, the width of a wrapping tape and the like can have great influence on the soft performance of a product;
optionally, the outer sheath layer is made of radiation cross-linked polyolefin insulation material and is wrapped on the outermost side of the belting layer in an extruded manner; the radiation crosslinking polyolefin insulating material has excellent performances of temperature resistance of minus 40 ℃ to 150 ℃, ultra-softness, oil resistance, friction resistance, flame retardance, tearing resistance and the like, is coated on the outermost side in an extrusion coating manner, and has the characteristics of high temperature resistance, excellent mechanical property, excellent electrical property, high flexibility and the like, so that the whole cable has excellent overload resistance;
Meanwhile, the cable of the invention is used for adapting the new energy automobile, allows the new energy automobile to be overloaded in short time during actual use, is convenient for the automobile design and selection of small-section cables, is convenient for installation, saves the installation and wiring space, and provides a great optimization space for the light weight of the automobile.
The above disclosure is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, so that all the modifications and equivalents of the technical changes and equivalents made by the disclosure and drawings are included in the scope of the present invention, and the elements thereof may be updated as the technology develops.

Claims (10)

1. A high-voltage cable production device for a lightweight overload-resistant new energy automobile comprises a soft conductor inner core, and an insulating layer, a semi-conductive liquid coating shielding layer, a braided shielding layer, a belting layer and an outer sheath layer which are sequentially arranged from inside to outside along the radius direction of a soft conductor; the high-voltage cable production equipment is characterized by comprising an acquisition module, a spraying module, a nesting module, a polymerization module, an extrusion module and a processor;
the polymerization module is used for gathering a plurality of strands of soft conductors so as to be matched with the extrusion module to coat the periphery of the soft conductors with an insulating layer;
The extrusion module is used for coating polyolefin insulation materials on the peripheries of the gathered strands of flexible conductors so as to form the flexible conductor insulation layers for protecting the interior;
the spraying module is used for forming a shielding layer on the periphery of the insulating layer wrapped with the soft conductor;
the nesting module is used for nesting a polyester tape at the periphery of the soft conductor wrapped with the braided shielding layer so as to form a wrapping tape layer at the periphery of the soft conductor;
the acquisition module is used for acquiring images of the insulating layer, the semiconductive liquid coating shielding layer, the belting layer and the outer sheath layer so as to realize detection of the insulating layer, the semiconductive liquid coating shielding layer, the belting layer and the outer sheath layer;
the processor adjusts the extrusion thickness of the extrusion module, the painting thickness of the spraying module and the nesting speed of the nesting module according to the result of the acquisition module;
the acquisition module comprises an acquisition unit, an adjustment unit and an analysis unit, wherein the adjustment unit is used for adjusting the position of the acquisition unit; the acquisition unit is used for acquiring image data of the insulating layer, the semi-conductive liquid coating shielding layer, the belting layer and the outer sheath layer;
The acquisition unit comprises an acquisition probe and a data memory, wherein the acquisition probe is used for acquiring image data of the insulating layer, the semi-conductive liquid coating shielding layer, the belting layer and the outer sheath layer; the data memory is used for storing the image data acquired by the acquisition probe:
the analysis unit acquires image data and filters the image data to filter out interference image noise so as to extract the edges of the images of the insulating layer, the semi-conductive liquid coating shielding layer, the belting layer and the outer sheath layer;
calculating the distance L in the width direction from the ith edge coordinate of the imageiIf the width mean value of any one of the insulating layer, the semi-conductive liquid coating shielding layer, the belting layer and the outer sheath layer is D; the standard deviation of the width of any one of the insulating layer, the semi-conductive liquid coating shielding layer, the belting layer and the outer sheath layer is R, and the standard deviation meets the following requirements:
Figure 69563DEST_PATH_IMAGE002
Figure 358460DEST_PATH_IMAGE004
wherein i is the ith edge position coordinate point; n is the total number of edge location coordinates;
calculating the width deviation index Debias of any one of the insulating layer, the semi-conductive liquid coating shielding layer, the wrapping layer and the outer sheath layer according to the formulaiThe width deviation index DeviateiCalculated according to the following formula:
Figure 164742DEST_PATH_IMAGE006
In the formula, LiIs the distance in the width direction; d is the average value of the width of any one of the insulating layer, the semi-conductive liquid coating shielding layer, the belting layer and the outer sheath layer;
determining the standard deviation R and the width deviation index Deviate according to the formulaiThe relationship of (c):
Figure 339372DEST_PATH_IMAGE008
wherein B is a width adjustment coefficient;
if present, is
Figure 2434DEST_PATH_IMAGE008
If processing of the insulating layer, the semi-conductive liquid coating shielding layer, the belting layer and the outer sheath layer has deviation, adjusting the extrusion thickness of an extrusion module, the painting thickness of a spraying module and the nesting speed of a nesting module;
for the calculation of the width adjustment coefficient, the calculation is performed according to the following formula:
Figure 262514DEST_PATH_IMAGE010
wherein d is the processing wall thickness of any one material of the polyolefin insulating material, the semi-conductive liquid coating and the polyester tape, and the value of d is determined according to the circumferential diameter of different processed cables; Δ x is the maximum deviation distance allowed for machining.
2. The high-voltage cable production equipment for the light-weight overload-resistant new energy automobile is characterized in that the polymerization module comprises a gathering unit and a transportation unit, wherein the gathering unit is used for gathering the soft conductor to form a conductor bundle and is matched with the extrusion module to perform extrusion operation or matched with the spraying module to brush the periphery of the shielding layer; feeding the conductor bundle into the extrusion module, and coating the periphery of the conductor bundle with polyolefin insulation material through the extrusion module; the transportation unit comprises a plurality of protruding members and transportation members, and the protruding members are used for adjusting the positions of the transportation members; the transport member is used for transporting the conductor bundle;
The transportation component is arranged on each protruding component and abuts against the outer surface of the conductor bundle and transports the conductor bundle to the process direction of the extrusion module and the spraying module in the process of transporting the conductor bundle.
3. The high-voltage cable production equipment for the new energy automobile with the light weight and the overload resistance as claimed in claim 2, wherein the nesting module comprises a moving unit, a return unit and a storage unit, and the storage module is used for storing the polyester belt; the moving unit is used for moving the end part of the polyester belt so as to nest the polyester belt on the periphery of the conductor bundle; the backhaul unit is used for performing backhaul control on the mobile unit; wherein the return unit comprises a set of return tracks and a sensing member, and the moving unit is slidably connected with the set of return tracks; the sensing member is disposed on the return track to be reciprocated in cooperation with the moving unit.
4. The high-voltage cable production equipment for the light-weight overload-resistant new energy automobile is characterized in that the spraying module comprises a brushing unit and a drying unit, wherein the brushing unit is used for brushing the periphery of the insulating layer wrapped with the soft conductor with a semi-conductive liquid to form a semi-conductive liquid coating shielding layer; the drying unit is used for drying the coated semi-conductive charged liquid;
The brushing unit comprises a spraying cavity, a liquid supply component, a pressurizing component and a plurality of spraying heads, wherein the liquid supply component is used for supplying semi-conductive liquid to each spraying head; the pressurizer is used for pressurizing liquid of the semiconductive liquid sprayed by each spraying head; the liquid supply component is connected with each spraying head to supply the semi-conductive liquid;
wherein each of the spray heads is disposed in the spray chamber.
5. The high-voltage cable production equipment for the new energy automobile with light weight and overload resistance according to claim 4, wherein the moving unit comprises an adsorption member, an adjusting member, a moving seat and a moving driving mechanism, and the adjusting member is used for adjusting the position of the adsorption member; the adsorption member is used for adsorbing the outer wall of the polyester belt; the movable seat is used for supporting the adjusting component and the adsorption component; the moving driving mechanism is used for driving the moving seat to move;
the moving driving mechanism is arranged on the moving seat and drives the moving seat to slide along the direction of the return track.
6. The high-voltage cable production equipment for the new energy automobile with light weight and overload resistance as claimed in claim 5, wherein the storage unit stores a cavity, a support member and a rotating member, the support member is used for supporting the polyester belt; the rotating member is used for rotating the supporting member to supply the polyester belts;
The supporting member comprises a supporting rod and a supporting plate, one end of the supporting rod vertically penetrates through the supporting plate, the rod body of the supporting rod is hinged to the supporting plate, and the end portion of one end of the supporting rod is in driving connection with the rotating member.
7. The high-voltage cable production equipment for the light-weight overload-resistant new energy automobile is characterized in that the drying unit comprises a drying seat, a temperature controller and a plurality of heating elements, the drying seat is provided with a drying cavity, the drying cavity is provided with an inlet and an outlet, and the drying cavity is used for allowing the soft conductor wrapped with the insulating layer to pass so as to be matched with the heating elements to dry the semi-conductive liquid; the heating element is used for drying the sprayed semi-conductive liquid; each the heating member setting is in the stoving chamber, just temperature controller with each heating member control connection to maintain temperature is stable in the stoving chamber.
8. The high-voltage cable production equipment for the light-weight overload-resistant new energy automobile is applied to the high-voltage cable production equipment for the light-weight overload-resistant new energy automobile according to claim 7, and is characterized in that the high-voltage cable comprises a soft conductor, an insulating layer, a semi-conductive liquid coating shielding layer, a braided shielding layer, a wrapping layer and an outer sheath layer which are twisted in the same direction, and the insulating layer, the semi-conductive liquid coating shielding layer, the braided shielding layer, the wrapping layer and the outer sheath layer are sequentially arranged from the inner layer to the outer layer along the radius direction of the soft conductor;
The equidirectional twisted flexible conductor is a multi-strand copper conductor, and the twisting pitch-diameter ratio of the multi-strand copper conductor is as follows: 15-20;
the insulating layer is wrapped on the periphery of the equidirectional twisted flexible conductor in an extruding manner and is made of polyolefin insulating material which can resist temperature of minus 40 ℃ to 150 ℃ and is subjected to ultra-soft irradiation crosslinking;
the semi-conductive liquid is coated on the surface of the insulating layer;
the braided shielding layer is a tin-plated copper conductor and is braided on the periphery wrapped with the semiconductor electro-hydraulic coating shielding layer.
9. The high-voltage cable for the new energy automobile, which is light in weight and resistant to overload, according to claim 8, wherein the wrapping tape layer is polyester tape, and the flexible conducting wire wrapped with the braided shielding layer is wrapped in a longitudinal wrapping manner.
10. The high-voltage cable for the new energy automobile is characterized in that the outer sheath layer is made of radiation cross-linked polyolefin insulation materials, and is coated on the outermost side of the belting layer in an extruded mode.
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CN107154285A (en) * 2017-03-29 2017-09-12 江苏上上电缆集团有限公司 The manufacture method and cable of a kind of high electric energy transmission dress cable in stock
CN107945965A (en) * 2017-12-13 2018-04-20 江苏东强股份有限公司 High security answering machine data transmission cable and its manufacture method

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CN118538485A (en) * 2024-06-13 2024-08-23 广东新亚光电缆股份有限公司 Production method of low-temperature-resistant cable

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