CN115116666A - High-efficient transmission multilayer shielding control cable - Google Patents
High-efficient transmission multilayer shielding control cable Download PDFInfo
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- CN115116666A CN115116666A CN202210833680.XA CN202210833680A CN115116666A CN 115116666 A CN115116666 A CN 115116666A CN 202210833680 A CN202210833680 A CN 202210833680A CN 115116666 A CN115116666 A CN 115116666A
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- 239000003063 flame retardant Substances 0.000 claims description 14
- 239000003292 glue Substances 0.000 claims description 12
- 239000004020 conductor Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
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- 229910052618 mica group Inorganic materials 0.000 claims description 3
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- 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
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/428—Heat conduction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
- H01B11/10—Screens specially adapted for reducing interference from external sources
- H01B11/1033—Screens specially adapted for reducing interference from external sources composed of a wire-braided conductor
-
- 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
-
- 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
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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
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
- H01B13/2613—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by longitudinal lapping
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- 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
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- 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
- H01B7/32—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks
- H01B7/324—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks comprising temperature sensing means
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- 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
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The application discloses high-efficient transmission multilayer shielding control cable, including skeleton unit, oversheath, six cable cores and six packing units, the skeleton unit includes the cooling tube and six first heat-conducting plates that extend along the cooling tube length direction with cooling tube fixed connection, and every first heat-conducting plate fixedly connected with has a second heat-conducting plate that extends along the cooling tube length direction, the cooling tube has radiating passage and the cross-section of cooling tube is regular hexagon, six angles of regular hexagon and six first heat-conducting plates one-to-one, and the position department of every angle of regular hexagon is fixed with one first heat-conducting plate; the cable core is arranged between every two adjacent second heat conduction plates, the filling unit is arranged between every two adjacent cable cores, and the outer sheath surrounds all the cable cores and all the filling units. The control cable has the advantages of good shielding effect and good heat dissipation effect, and can realize the connection of complex equipment.
Description
Technical Field
The application relates to the field of cables, in particular to a high-efficiency transmission multilayer shielding control cable.
Background
The cable is a common and indispensable product for signal transmission and power transmission in modern industry, and almost any industrial product needs to be used, and according to different use environments and use occasions, the types and classification methods of the cable are very many, and the control cable is one of the control cables, and the control cable is a control and protection circuit suitable for industrial and mining enterprises, energy transportation departments and supplies with alternating current rated voltage below 450/750V. In some occasions, the control cable integration level is very high, a plurality of cable cores can be integrated in a single control cable, so that the requirement of connecting a plurality of electrical equipment is met, the high integration level is favorable for reducing the manufacturing cost of the cable, and the cost of wiring and maintenance is reduced.
Disclosure of Invention
The purpose of the invention is as follows: the application aims to overcome the defects of the prior art and provides the high-efficiency transmission multilayer shielding control cable.
The technical scheme is as follows: a high-efficiency transmission multilayer shielding control cable comprises a framework unit, an outer sheath, six cable cores and six filling units, wherein the framework unit comprises a radiating pipe and six first heat-conducting plates fixedly connected with the radiating pipe and extending along the length direction of the radiating pipe, each first heat-conducting plate is fixedly connected with a second heat-conducting plate extending along the length direction of the radiating pipe, the radiating pipe is provided with a radiating channel, the cross section of the radiating pipe is in a regular hexagon shape, six angles of the regular hexagon correspond to the six first heat-conducting plates one by one, and one first heat-conducting plate is fixed at the position of each angle of the regular hexagon; one cable core is installed between two adjacent second heat-conducting plates, one filling unit is installed between two adjacent cable cores, and the outer sheath surrounds all the cable cores and all the filling units.
Furthermore, the cable core sequentially comprises a protective layer, a heat dissipation layer, a flame retardant layer, a first shielding layer and a wrapping layer from outside to inside, a plurality of wire cores are arranged in the wrapping layer, and the wire cores sequentially comprise a second shielding layer, an insulating layer and a conductor from outside to inside; the heat dissipation layer comprises an arc wrapping plate extending along the length direction of the cable core and two heat conduction blocks fixedly connected with the arc wrapping plate and extending along the length direction of the cable core, and one part of each heat conduction block is exposed out of the protection layer; the outer side wall of the protective layer comprises an arc surface part and three plane parts, the three plane parts comprise two first plane parts and one second plane part, the two first plane parts are connected with the arc surface part, the second plane part is connected between the two first plane parts, an included angle between the second plane part and any one of the first plane parts is 120 degrees, and the heat conduction block is exposed from the second plane part; the lateral wall of cooling tube has six bar holding tanks that extend along cooling tube length direction, and every bar holding tank all is located between two adjacent first heat-conducting plates, six bar holding tanks and 6 the cable core one-to-one, two heat conduction pieces of every cable core are located the bar holding tank that corresponds, just heat conduction piece with it glues to have the heat conduction between the bar holding tank.
Further, the arc-shaped wrapping plate and the heat conducting block are both made of metal materials; the conductor is a copper conductor, the insulating layer is a polyethylene insulating layer, the first shielding layer and the second shielding layer are copper wire braided shielding layers, the wrapping layer is a mica wrapping tape layer, the flame-retardant layer is a low-smoke halogen-free flame-retardant layer, and the protective layer is a silicon rubber protective layer; the radiating pipe, the first heat conducting plate and the second heat conducting plate are all made of stainless steel materials.
Furthermore, the filling units are a strip-shaped filling block extending along the length direction of the cable core, a strip-shaped protruding block fixedly connected with the strip-shaped filling block and extending along the length direction of the cable core, and two strip-shaped clamping plates fixedly connected with the strip-shaped filling block and extending along the length direction of the cable core, the six filling units correspond to the six second heat-conducting plates one by one, and each second heat-conducting plate is clamped between the two strip-shaped clamping plates of the corresponding filling unit; the strip-shaped filling block is provided with two first arc surfaces extending along the length direction of the filling unit and two second arc surfaces extending along the length direction of the filling unit, the strip-shaped protruding block is positioned between the two second arc surfaces, the two strip-shaped clamping plates are positioned between the two first arc surfaces, and the first arc surfaces are used for being abutted to the arc surface part of the protective layer; the outer sheath surrounds all cable cores and all filling units; the outer sheath is provided with six wear-resistant protruding strips extending along the length direction of the cable core, the six wear-resistant protruding strips correspond to the six filling units one by one, and each wear-resistant protruding strip wraps the strip-shaped protruding block of one filling unit.
Further, the outer sheath is made of a polyurethane material; the bar filling block, the bar protruding block and the two bar clamping plates are made of rubber materials through integral extrusion molding.
The temperature conduction unit comprises a metal rod extending along the length direction of the cable core and a metal sheet connected with the metal rod and extending along the length direction of the cable core; one of the six second heat-conducting plates is a detection heat-conducting plate, the detection heat-conducting plate is provided with a detection slot extending along the length direction of the cable core, the metal sheet is inserted into the detection slot, and heat-conducting glue is arranged between the metal sheet and the detection slot; the filling unit corresponding to the detection heat-conducting plate in the six filling units is a detection filling unit, the detection filling unit is provided with a first accommodating channel which extends along the length direction of the cable core and is used for accommodating the metal rod and a second accommodating channel which extends along the length direction of the cable core and is used for accommodating the metal sheet, and the cross sections of the metal rod and the first accommodating channel are both circular; the strip-shaped convex blocks of the detection filling units are provided with first strip-shaped positioning grooves extending along the length direction of the cable core, and a plurality of first detection through holes communicated with the first accommodating channels are distributed at the first strip-shaped positioning grooves at equal intervals; wear-resisting protruding strip that corresponds with detection packing element in six wear-resisting protruding strips is for detecting wear-resisting protruding strip, it has the second bar positioning groove who extends along cable core length direction to detect wear-resisting protruding strip department, equidistant distribution has a plurality of second to detect the through-hole in second bar positioning groove department, the quantity that the second detected the through-hole equals and both one-to-one with the quantity of first detection through-hole, and every second detects the through-hole and all communicates with the first detection through-hole that corresponds.
Furthermore, the cross sections of the first detection through hole and the second detection through hole are both circular, and the axes of the corresponding first detection through hole and the second detection through hole are collinear.
Furthermore, the corresponding first detection through hole and the second detection through hole form a detection mounting hole, and the detection mounting hole can be used for mounting a temperature sensor.
Furthermore, a detection mounting hole is formed by the corresponding first detection through hole and the second detection through hole, a temperature sensor is mounted in the detection mounting hole, and a measuring part of the temperature sensor is abutted to the metal rod.
Further, a sealing glue is arranged between the detection mounting hole and the temperature sensor.
Therefore, the temperature of the surface of the metal rod can be detected by detecting the mounting hole, and the temperature condition in the cable can be accurately grasped.
Further, each cable core has 4 core wire units.
In other embodiments, each cable core may also have 6 or 8 core wire units.
Further, the metal sheet and the metal bar are both made of a copper-aluminum alloy.
In addition, the application also discloses a preparation method of the high-efficiency transmission multilayer shielding control cable, which comprises the following steps:
1) preparing the core wire unit, the framework unit, the heat dissipation layer, the filling unit and the temperature conduction unit; wrapping the wrapping layers outside the core wire units, preparing a first shielding layer outside the wrapping layers, extruding the flame-retardant layer outside the first shielding layer, wrapping the flame-retardant layer by using the heat dissipation layer, and extruding the protective layer outside the heat dissipation layer to form the cable core;
2) installing the temperature conduction unit in the detection filling unit, coating heat-conducting glue in the strip-shaped accommodating groove of the framework unit, and coating heat-conducting glue on the surface of the metal sheet; mounting all the cable cores and all the filling units so that each cable core is positioned between two adjacent second heat conduction plates, and each filling unit is positioned between two adjacent cable cores;
3) extruding the outer jacket;
4) and drilling holes in the second strip-shaped positioning groove, so as to machine a plurality of first detection through holes and a plurality of second detection through holes.
Has the advantages that: the control cable of this application has the cable core of a greater amount to the electrical equipment that can connect is in large quantity, thereby realizes the connection of more equipment. In addition, as the shielding structure of the total branch is adopted, the shielding structure has better shielding effect and avoids the interference between cable cores. The backbone provides sufficient mechanical strength and sufficient active heat dissipation for the cable and serves as a central support for the entire cable. The filling unit enables the structure of the cable to be more compact and provides better wear-resisting effect. In addition, the cable can detect the temperature inside through the first detection through hole, so that the temperature inside the cable can be monitored.
Drawings
FIG. 1 is a schematic diagram of a cable;
FIG. 2 is an enlarged view of area A;
FIG. 3 is a schematic cross-sectional view of a cable;
FIG. 4 is an exploded view of the cable components;
FIG. 5 is an enlarged view of area B;
FIG. 6 is an exploded perspective view of the cable components;
figure 7 is a schematic diagram of a cable core.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Reference numerals: 1, a cable core; 1.1 a conductor; 1.2 an insulating layer; 1.3 a second shielding layer; 1.4 wrapping a covering; 1.5 a first shielding layer; 1.6 flame retardant layer; 1.7 heat dissipation layer; 1.7.1 arc wrapping plate; 1.7.2 heat conducting blocks; 1.8 protective layer; 1.8.1 plane part; 1.8.2 cambered surface part; 2 a skeleton unit; 2.1 radiating pipes; 2.2, strip-shaped accommodating grooves; 2.3 first heat-conducting plate; 2.4 a second thermally conductive plate; 2.4.1 detecting the slot; 3 filling the cell; 3.1 strip-shaped filling blocks; 3.1.1 a first cambered surface; 3.1.2 second cambered surface; 3.2 a strip-shaped clamping plate; 3.3 the strip-shaped convex block; 3.4 a first bar-shaped positioning groove; 3.5.1 a first receiving channel; 3.5.2 second receiving channel; 3.6 first detection via; 4 a temperature conduction unit; 4.1 a metal sheet; 4.2 a metal rod; 5 an outer sheath; 5.1 wear-resistant protruding strips; 5.2 second strip-shaped positioning grooves; 5.3 second detection via.
As shown in the figure, the high-efficiency transmission multilayer shielding control cable comprises a framework unit 2, an outer sheath 5, six cable cores 1 and six filling units 3, wherein the framework unit 2 comprises a radiating pipe 2.1 and six first heat-conducting plates 2.2 fixedly connected with the radiating pipe 2.1 and extending along the length direction of the radiating pipe, each first heat-conducting plate 2.2 is fixedly connected with a second heat-conducting plate 2.4 extending along the length direction of the radiating pipe 2.1, the radiating pipe 2.1 is provided with a radiating channel, the cross section of the radiating pipe is in a regular hexagon shape, six corners of the regular hexagon correspond to the six first heat-conducting plates 2.3 one by one, and the position of each corner of the regular hexagon is fixed with one first heat-conducting plate 2.3; one cable core 1 is arranged between two adjacent second heat conduction plates 2.4, one filling unit 3 is arranged between two adjacent cable cores 1, and the outer sheath 5 surrounds all cable cores and all filling units 3. The cable core 1 sequentially comprises a protective layer 1.8, a heat dissipation layer 1.7, a flame retardant layer 1.6, a first shielding layer 1.5 and a wrapping layer 1.4 from outside to inside, a plurality of cable cores are arranged in the wrapping layer 1.4, and the cable cores sequentially comprise a second shielding layer 1.3, an insulating layer 1.2 and a conductor 1.1 from outside to inside; the heat dissipation layer 1.7 comprises an arc wrapping plate 1.7.1 extending along the length direction of the cable core and two heat conduction blocks 1.7.2 fixedly connected with the arc wrapping plate 1.7.1 and extending along the length direction of the cable core, and a part of each heat conduction block 1.7.2 is exposed out of the protection layer 1.8; the outer side wall of the protective layer 1.8 comprises an arc-shaped portion 1.8.2 and three plane portions 1.8.1, the three plane portions 1.8.1 comprise two first plane portions and a second plane portion, the two first plane portions are connected with the arc-shaped portion 1.8.2, the second plane portion is connected between the two first plane portions, the included angle between the second plane portion and any one of the first plane portions is 120 degrees, and the heat conduction block 1.7.2 is exposed from the second plane portion; the lateral wall of cooling tube 2.1 has six bar holding tank 2.2 that extend along cooling tube 2.1 length direction, and every bar holding tank 2.2 all is located between two adjacent first heat-conducting plates 2.3, six bar holding tanks 2.2 and 6 1 one-to-one of cable core, two heat conduction piece 1.7.2 of every cable core 1 are located the bar holding tank 2.2 that corresponds, just heat conduction piece 1.7.2 with it glues to have the heat conduction between bar holding tank 2.2. The arc-shaped wrapping plate 1.7.1 and the heat conducting block 1.7.2 are both made of metal materials; the conductor 1.1 is a copper conductor, the insulating layer 1.2 is a polyethylene insulating layer, the first shielding layer 1.5 and the second shielding layer 1.3 are copper wire braided shielding layers, the wrapping layer 1.4 is a mica wrapping tape layer, the flame-retardant layer 1.6 is a low-smoke halogen-free flame-retardant layer, and the protective layer 1.8 is a silicon rubber protective layer; the radiating pipe 2.1, the first heat-conducting plate 2.3 and the second heat-conducting plate 2.4 are all made of stainless steel material.
The cable comprises a filling unit 3, a strip-shaped filling block 3.1 extending along the length direction of a cable core 1, a strip-shaped protruding block 3.3 fixedly connected with the strip-shaped filling block 3.1 and extending along the length direction of the cable core, and two strip-shaped clamping plates 3.2 fixedly connected with the strip-shaped filling block 3.1 and extending along the length direction of the cable core, wherein six filling units 3 correspond to six second heat conduction plates 2.4 one by one, and each second heat conduction plate 2.4 is clamped between the two strip-shaped clamping plates 3.2 of the corresponding filling unit 3; the strip-shaped filling block 3.1 is provided with two first arc surfaces 3.1.1 extending along the length direction of the filling unit 3 and two second arc surfaces 3.1.2 extending along the length direction of the filling unit 3, the strip-shaped protruding block 3.3 is positioned between the two second arc surfaces 3.1.2, the two strip-shaped clamping plates 3.2 are positioned between the two first arc surfaces 3.1.1, and the first arc surfaces 3.1.1 are used for abutting against the arc surface parts 1.8.2 of the protective layers 1.8; the outer sheath 5 surrounds all the cable cores 1 and all the filling units 3; the outer sheath 5 is provided with six wear-resistant protruding strips 5.1 extending along the length direction of the cable core, the six wear-resistant protruding strips 5.1 correspond to the six filling units 3 one by one, and each wear-resistant protruding strip 5.1 wraps the strip-shaped protruding block 3.3 of one filling unit 3. The outer sheath 5 is made of polyurethane material; the bar filling block 3.1, the bar protruding block 3.3 and the two bar clamping plates 3.2 are made of rubber materials through integral extrusion molding.
In addition, the control cable also comprises a temperature conduction unit 4, wherein the temperature conduction unit 4 comprises a metal rod 4.1 extending along the length direction of the cable core 1 and a metal sheet 4.2 connected with the metal rod 4.1 and extending along the length direction of the cable core; one second heat-conducting plate 2.4 of the six second heat-conducting plates 2.4 is a detection heat-conducting plate, the detection heat-conducting plate is provided with a detection slot 2.4.1 extending along the length direction of the cable core, the metal sheet 4.1 is inserted into the detection slot 2.4.1, and heat-conducting glue is arranged between the metal sheet 4.1 and the detection slot 2.4.1; the filling unit corresponding to the detection heat conduction plate in the six filling units 3 is a detection filling unit, the detection filling unit is provided with a first accommodating channel 3.5.1 which extends along the length direction of the cable core 1 and is used for accommodating the metal rod 4.2 and a second accommodating channel 3.5.2 which extends along the length direction of the cable core 1 and is used for accommodating the metal sheet 4.1, and the cross sections of the metal rod 4.2 and the first accommodating channel 3.5.1 are circular; a first strip-shaped positioning groove 3.4 extending along the length direction of the cable core 1 is formed in the strip-shaped convex block of the detection filling unit, and a plurality of first detection through holes 3.6 communicated with the first accommodating channel 3.5.1 are distributed at the position of the first strip-shaped positioning groove 3.4 at equal intervals; wear-resisting protruding strip 5.1 that corresponds with detection packing element in six wear-resisting protruding strips 5.1 is for detecting wear-resisting protruding strip, it has second bar positioning groove 5.2 along cable core length direction extension to detect wear-resisting protruding strip department, equidistant distribution of second bar positioning groove 5.2 department has a plurality of second and detects through-hole 5.3, the quantity of second detection through-hole 5.3 and the quantity of first detection through-hole 3.6 equal and both one-to-one, every second detection through-hole 5.3 all communicates with the first detection through-hole 3.6 that corresponds.
The preparation method is as follows:
1) preparing the core wire unit, the framework unit, the heat dissipation layer, the filling unit and the temperature conduction unit; the winding layer is wound outside the core wire units, a first shielding layer is prepared outside the winding layer, the flame-retardant layer is extruded outside the first shielding layer, the flame-retardant layer is wrapped by the heat dissipation layer (the arc wrapping plate is small in thickness, and the arc wrapping plate is unfolded to achieve wrapping), and the protective layer is extruded outside the heat dissipation layer to form the cable core;
2) installing the temperature conduction unit in the detection filling unit (due to the fact that the filling unit is made of rubber materials and has elasticity, the two strip-shaped clamping plates are pulled away, the second accommodating channel is pulled away, and the temperature conduction unit can be installed in the temperature conduction unit), coating heat-conducting glue in the strip-shaped accommodating groove of the framework unit, and coating the heat-conducting glue on the surface of the metal sheet; mounting all the cable cores and all the filling units so that each cable core is positioned between two adjacent second heat-conducting plates, and each filling unit is positioned between two adjacent cable cores;
3) extruding the outer jacket;
4) and drilling holes in the second strip-shaped positioning groove, so as to machine a plurality of first detection through holes and a plurality of second detection through holes.
The utility model provides a control cable is owing to have a plurality of cable cores to the electrical equipment that can connect is more, thereby can be applied to in the industrial equipment of complicacy, and internally mounted has the skeleton unit, and the outside has the packing unit in addition to the oversheath has wear-resisting protruding strip outward, thereby realizes the guarantee to control cable's better mechanical properties, can be more wear-resisting, and compressive property is also better. In addition, the heat dissipation channel of the framework unit can be connected with the external fan unit, so that heat dissipation airflow is generated actively, the heat dissipation layer transfers heat at the cable core to the heat dissipation channel and is taken away by the heat dissipation airflow, and the heat conduction glue can help to conduct heat better.
In addition, during processing, the temperature conduction unit is specially processed, and the framework unit and the temperature conduction unit are both made of metal materials with good heat conduction performance, so that heat can be well conducted between the framework unit and the temperature conduction unit. In addition, when the detection filling unit is installed during processing, the detection filling unit is provided with a first strip-shaped positioning groove, so that the second strip-shaped positioning groove can be arranged corresponding to the first strip-shaped positioning groove during the extrusion molding of the outer sheath. Thereby the processing of driling very easily according to the position of second bar positioning groove, a set of first detection through-hole and second detection through-hole just are processed out in once drilling, and first this moment, two detect the through-hole and just communicate to in the first passageway that holds, thereby can install temperature sensor very conveniently, make temperature sensor's measuring head contact metal rod, thereby realize the detection to the metal rod temperature, thereby know the inside temperature condition of cable, thereby it is more accurate to the operation condition monitoring of cable. The temperature inside the cable can be detected manually at regular intervals, and a fixed temperature sensor can be installed at each detection mounting hole, so that the temperature inside the cable can be monitored in real time.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
While the invention has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the invention as defined in the following claims.
Claims (8)
1. The utility model provides a high-efficient transmission multilayer shielding control cable, its characterized in that, includes skeleton unit, oversheath, six cable cores and six packing units, the skeleton unit includes the cooling tube and six first heat-conducting plates that extend along the cooling tube length direction with cooling tube fixed connection, and every first heat-conducting plate fixedly connected with one extends along the cooling tube length direction the second heat-conducting plate, the cooling tube has the heat dissipation passageway and the cross-section of cooling tube is regular hexagon, six angles of regular hexagon and six first heat-conducting plates one-to-one, and the position department of every angle of regular hexagon is fixed with one the first heat-conducting plate; the cable core is arranged between every two adjacent second heat conduction plates, the filling unit is arranged between every two adjacent cable cores, and the outer sheath surrounds all the cable cores and all the filling units.
2. The efficient transmission multilayer shielding control cable of claim 1, wherein the cable core comprises a protective layer, a heat dissipation layer, a flame retardant layer, a first shielding layer and a wrapping layer in sequence from outside to inside, a plurality of wire cores are arranged in the wrapping layer, and the wire cores comprise a second shielding layer, an insulating layer and a conductor in sequence from outside to inside; the heat dissipation layer comprises an arc wrapping plate extending along the length direction of the cable core and two heat conduction blocks fixedly connected with the arc wrapping plate and extending along the length direction of the cable core, and one part of each heat conduction block is exposed out of the protection layer; the outer side wall of the protective layer comprises an arc surface part and three plane parts, the three plane parts comprise two first plane parts and one second plane part, the two first plane parts are connected with the arc surface part, the second plane part is connected between the two first plane parts, an included angle between the second plane part and any one of the first plane parts is 120 degrees, and the heat conduction block is exposed from the second plane part; the lateral wall of cooling tube has six bar holding tanks that extend along cooling tube length direction, and every bar holding tank all is located between two adjacent first heat-conducting plates, six bar holding tanks and 6 the cable core one-to-one, two heat conduction pieces of every cable core are located the bar holding tank that corresponds, just heat conduction piece with it glues to have the heat conduction between the bar holding tank.
3. The high efficiency transport multilayer shielded control cable of claim 2, wherein said arc-shaped wrapping sheet and said heat conducting block are made of a metallic material; the conductor is a copper conductor, the insulating layer is a polyethylene insulating layer, the first shielding layer and the second shielding layer are copper wire braided shielding layers, the wrapping layer is a mica wrapping tape layer, the flame-retardant layer is a low-smoke halogen-free flame-retardant layer, and the protective layer is a silicon rubber protective layer; the radiating pipe, the first heat conducting plate and the second heat conducting plate are all made of stainless steel materials.
4. The high-efficiency transmission multilayer shielding control cable according to claim 2, wherein the filling units are strip-shaped filling blocks extending along the length direction of the cable core, strip-shaped protruding blocks fixedly connected with the strip-shaped filling blocks and extending along the length direction of the cable core, and two strip-shaped clamping plates fixedly connected with the strip-shaped filling blocks and extending along the length direction of the cable core, the six filling units are in one-to-one correspondence with the six second heat-conducting plates, and each second heat-conducting plate is clamped between the two strip-shaped clamping plates of the corresponding filling unit; the strip-shaped filling block is provided with two first arc surfaces extending along the length direction of the filling unit and two second arc surfaces extending along the length direction of the filling unit, the strip-shaped protruding block is positioned between the two second arc surfaces, the two strip-shaped clamping plates are positioned between the two first arc surfaces, and the first arc surfaces are used for abutting against the arc surface parts of the protective layers; the outer sheath surrounds all cable cores and all filling units; the outer sheath is provided with six wear-resistant protruding strips extending along the length direction of the cable core, the six wear-resistant protruding strips correspond to the six filling units one by one, and each wear-resistant protruding strip wraps the strip-shaped protruding block of one filling unit.
5. An efficient transmission multi-layer shielded control cable as recited in claim 4, wherein said outer jacket is made of a polyurethane material; the bar filling block, the bar protruding block and the two bar clamping plates are made of rubber materials through integral extrusion molding.
6. The high efficiency transmission multilayer shielded control cable of claim 5, further comprising a temperature conducting unit comprising a metal rod extending along the length of the cable core and a metal sheet connected to the metal rod and extending along the length of the cable core; one of the six second heat-conducting plates is a detection heat-conducting plate, the detection heat-conducting plate is provided with a detection slot extending along the length direction of the cable core, the metal sheet is inserted into the detection slot, and heat-conducting glue is arranged between the metal sheet and the detection slot; the filling unit corresponding to the detection heat-conducting plate in the six filling units is a detection filling unit, the detection filling unit is provided with a first accommodating channel which extends along the length direction of the cable core and is used for accommodating the metal rod and a second accommodating channel which extends along the length direction of the cable core and is used for accommodating the metal sheet, and the cross sections of the metal rod and the first accommodating channel are both circular; the strip-shaped convex blocks of the detection filling units are provided with first strip-shaped positioning grooves extending along the length direction of the cable core, and a plurality of first detection through holes communicated with the first accommodating channels are distributed at the first strip-shaped positioning grooves at equal intervals; wear-resisting protruding strip that corresponds with detection packing element in six wear-resisting protruding strips is for detecting wear-resisting protruding strip, it has the second bar positioning groove who extends along cable core length direction to detect wear-resisting protruding strip department, equidistant distribution has a plurality of second to detect the through-hole in second bar positioning groove department, the quantity that the second detected the through-hole equals and both one-to-one with the quantity of first detection through-hole, and every second detects the through-hole and all communicates with the first detection through-hole that corresponds.
7. The high efficiency transmission multi-layer shielding control cable of claim 6, wherein the corresponding first and second detection through holes form a detection mounting hole, a temperature sensor is mounted in the detection mounting hole, and a measuring part of the temperature sensor abuts against the metal rod.
8. The high efficiency transmission multi-layer shielded control cable of claim 7, wherein a sealant is disposed between said sensing mounting hole and said temperature sensor.
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| CN202210833680.XA CN115116666B (en) | 2022-07-15 | 2022-07-15 | High-efficient transmission multilayer shielding control cable |
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| CN202210833680.XA CN115116666B (en) | 2022-07-15 | 2022-07-15 | High-efficient transmission multilayer shielding control cable |
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| CN115116666B CN115116666B (en) | 2024-10-18 |
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| CN115116666B (en) | 2024-10-18 |
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