CN111724935A - Cable for industrial automation equipment - Google Patents

Cable for industrial automation equipment Download PDF

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Publication number
CN111724935A
CN111724935A CN202010721443.5A CN202010721443A CN111724935A CN 111724935 A CN111724935 A CN 111724935A CN 202010721443 A CN202010721443 A CN 202010721443A CN 111724935 A CN111724935 A CN 111724935A
Authority
CN
China
Prior art keywords
layer
supporting
support
cable
support piece
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010721443.5A
Other languages
Chinese (zh)
Inventor
叶菁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Aotong Special Cable Co ltd
Original Assignee
Guangdong Aotong Special Cable Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Aotong Special Cable Co ltd filed Critical Guangdong Aotong Special Cable Co ltd
Priority to CN202010721443.5A priority Critical patent/CN111724935A/en
Publication of CN111724935A publication Critical patent/CN111724935A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • H01B7/185—Sheaths comprising internal cavities or channels
    • 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
    • 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
    • H01B7/1875—Multi-layer sheaths
    • 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
    • H01B7/24—Devices affording localised protection against mechanical force or pressure
    • 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
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
    • 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
    • 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

Abstract

The invention provides a cable for industrial automation equipment, which comprises a copper conductor and an insulating layer wrapping the copper conductor; the surface of the insulating layer, which is far away from the center of the cable, is provided with a pressure-resistant layer; the anti-pressure layer include with the first supporting layer of insulating layer laminating, be provided with a plurality of first support pieces on the first supporting layer, it is a plurality of one of anti-pressure layer is kept away from to support piece serves and is fixed with the supporting network, be provided with a plurality of second support pieces on the supporting network, it is a plurality of second support piece is kept away from to second support piece the one end of supporting network is provided with the second supporting layer, all second support piece of second supporting layer parcel, wherein, first support piece with the fixed point of second support piece and supporting network is the nodical of supporting network, just first support piece with the strong point of second support piece is the tangent point on place layer. The technical problems that the cable is damaged and the service life of the cable is shortened due to the fact that a rigid supporting structure is not arranged, and the anti-extrusion capacity is poor are solved.

Description

Cable for industrial automation equipment
Technical Field
The invention relates to the technical field of cables, in particular to a cable for industrial automation equipment.
Background
Many major devices in large enterprises today use cables for the transmission and distribution of electrical energy. Because the urbanization process of China is accelerated, the power industry develops rapidly, and the development of industrial automation equipment is further promoted, in the industrial automation equipment, a cable is an equipment component essential for equipment operation, the requirement on the comprehensive performance of the cable is higher and higher, and the compressive property of the cable is an important performance consideration in the comprehensive performance of the cable, so that the improvement of the compressive capacity of the cable is an important index for cable improvement.
A fire-proof and anti-extrusion industrial silicone rubber cable with Chinese patent publication No. CN206421842U comprises: the cable comprises a cable core, a wrapping layer, a heat insulation layer, an armor layer and a sheath layer; the cable core is formed by twisting a plurality of wires, and each wire comprises a conductor positioned in the middle and an insulating layer coated outside the conductor; the cladding is outside at the cable core around the covering cladding, adopt the metal plastic composite tape to form around the covering, the insulating layer cladding is outside around the covering, the insulating layer adopts flexible ceramic silicon rubber material to make, be equipped with a plurality of heat dissipation through-holes along axial extension in the insulating layer, every heat dissipation through-hole inner wall covers there is metal coating, the armor cladding is outside at the insulating layer, the sheath cladding is outside at the armor, receive extruded in-process at the cable, because there is not rigid bearing structure to lead to anti extrusion ability relatively poor, make the cable damaged, the service life of cable has been shortened.
Disclosure of Invention
The invention aims to provide a fireproof cable for industrial automation equipment.
A cable for industrial automation equipment comprises a copper conductor and an insulating layer wrapping the copper conductor; the surface of the insulating layer, which is far away from the center of the cable, is provided with a pressure-resistant layer; the anti-pressure layer include with the first supporting layer of insulating layer laminating, be provided with a plurality of first support pieces on the first supporting layer, it is a plurality of one of anti-pressure layer is kept away from to support piece serves and is fixed with the supporting network, be provided with a plurality of second support pieces on the supporting network, it is a plurality of second support piece is kept away from to second support piece the one end of supporting network is provided with the second supporting layer, all second support piece of second supporting layer parcel, wherein, first support piece with the fixed point of second support piece and supporting network is the nodical of supporting network, just first support piece with the strong point of second support piece is the tangent point on place layer.
Preferably, a third supporting member is fixed between the plurality of first supporting members, one fixing point of the third supporting member is located at the fixing point of the first supporting member and the insulating layer, and the other fixing point of the third supporting member is located at the fixing point of the adjacent first supporting member and the supporting net.
Preferably, the area of the fixed point of the first support member to the first support layer is larger than the cross-sectional area of the first support member.
Preferably, the first support member is a support bar.
Preferably, the cross section of the support rod is cross-shaped.
Preferably, the first support is provided as an insulator.
Preferably, the pressure-resistant layers are arranged at intervals along the axial direction of the copper conductor, and a single pressure-resistant layer is in a sealed state.
Preferably, the cross section of the first support member is polygonal.
Preferably, the second support layer is provided as a thermally conductive layer.
Preferably, the heat conduction layer is far away from the waterproof layer is laminated on the surface of the center of the copper conductor, and the heat conduction layer is used for drying the waterproof layer.
Compared with the prior art, the invention has the following beneficial effects: the pressure-resistant layer is arranged through the insulating layer, the pressure-resistant layer comprises a first supporting layer and a second supporting layer, a plurality of first supporting pieces and second supporting pieces are respectively arranged on the first supporting layer and the second supporting layer, a supporting net is arranged between the plurality of second supporting pieces and the second supporting pieces, fixing points of the first supporting pieces and the second supporting pieces and the supporting net are set to be intersection points of the supporting net, supporting points of the first supporting pieces and the second supporting pieces are tangent points of the layers, the pressure-resistant layer plays a supporting role on the insulating layer of the cable, the first supporting pieces and the second supporting pieces are fixed on the intersection points of the supporting net, so that pressure borne by the first supporting pieces and the second supporting pieces is dispersed on grid units of the supporting net, and because the fixing points of the first supporting pieces and the second supporting pieces and the supporting net are on the intersection points of the supporting net, grid units bearing component force of the supporting net are increased, and stress of the first supporting pieces and the second, thereby improve first support piece and second support piece's compressive capacity, also further strengthened the support of whole compressive layer to the cable, improved the compressive capacity of cable, let the cable be difficult to by the crushing, prolonged the life of cable, solved because do not have rigid bearing structure to lead to the compressive capacity relatively poor for the cable is damaged, shortened the technical problem of the life of cable.
Drawings
Fig. 1 is a schematic structural view of a cable for an industrial automation device according to the present invention;
fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Wherein the reference numerals are:
1. a copper conductor; 2. a waterproof layer; 3. an insulating layer; 4. a pressure resistant layer; 41. a first support layer; 42. a second support layer; 43. a second support member; 44. a support net; 45. a first support member; 46. a third support member.
Detailed Description
The embodiments described below are only a part of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a first embodiment of a household appliance, and specifically refers to fig. 1.
A cable for industrial automation equipment is characterized by comprising a copper conductor 1 and an insulating layer 3 wrapping the copper conductor 1; the surface of the insulating layer 3, which is far away from the center of the cable, is provided with a pressure-resistant layer 4; anti-pressure layer 4 include with the first supporting layer 41 of the laminating of insulating layer 3, be provided with a plurality of first support piece 45 on the first supporting layer 41, it is a plurality of one of anti-pressure layer 4 is kept away from to support piece serves and is fixed with supporting network 44, be provided with a plurality of second support piece 43 on the supporting network 44, it is a plurality of second support piece 43 is kept away from the one end of supporting network 44 is provided with second supporting layer 42, all second support piece 43 of second supporting layer 42 parcel, wherein, first support piece 45 with the fixed point of second support piece 43 and supporting network 44 is the nodical of supporting network 44, just first support piece 45 with the support point of second support piece 43 is the tangent point on layer at place.
In this embodiment, the anti-compression layer 4 is disposed through the insulating layer 3, the anti-compression layer 4 includes a first supporting layer 41 and a second supporting layer 42, a plurality of first supporting members 45 and a plurality of second supporting members 43 are respectively disposed on the first supporting layer 41 and the second supporting layer 42, a supporting net 44 is disposed between the plurality of second supporting members 43 and the second supporting members 43, fixing points of the first supporting members 45 and the second supporting members 43 and the supporting net 44 are set as intersections of the supporting net 44, supporting points of the first supporting members 45 and the second supporting members 43 are tangent points of the layers, the anti-compression layer 4 plays a supporting role for the insulating layer 3 of the cable, the first supporting members 45 and the second supporting members 43 are fixed on the intersections of the supporting net 44, so that pressure applied to the first supporting members 45 and the second supporting members is dispersed on grid units of the supporting net 44, and fixing points of the first supporting members 45 and the second supporting members 43 and the supporting net 44 are on the intersections of the supporting net 44, the grid unit of the component force borne by the supporting net 44 is increased, the stress of the first supporting piece 45 and the second supporting piece 43 is reduced, the compression resistance of the first supporting piece 45 and the second supporting piece 43 is improved, the support of the whole compression-resistant layer 4 to the cable is further enhanced, the compression resistance of the cable is improved, the cable is not easily crushed, the service life of the cable is prolonged, and the technical problems that the compression resistance is poor due to the fact that a rigid supporting structure does not exist, the cable is damaged, and the service life of the cable is shortened are solved. The above is a first embodiment of the cable for industrial automation equipment provided in the present application, and the following is a second embodiment of the present application, and two pairs of cables for industrial automation equipment are further described, specifically referring to fig. 1 and fig. 2.
A cable for industrial automation equipment comprises a copper conductor 1 and an insulating layer 3 wrapping the copper conductor 1; the surface of the insulating layer 3, which is far away from the center of the cable, is provided with a pressure-resistant layer 4; anti-pressure layer 4 include with the first supporting layer 41 of the laminating of insulating layer 3, be provided with a plurality of first support piece 45 on the first supporting layer 41, it is a plurality of one of anti-pressure layer 4 is kept away from to support piece serves and is fixed with supporting network 44, be provided with a plurality of second support piece 43 on the supporting network 44, it is a plurality of second support piece 43 is kept away from the one end of supporting network 44 is provided with second supporting layer 42, all second support piece 43 of second supporting layer 42 parcel, wherein, first support piece 45 with the fixed point of second support piece 43 and supporting network 44 is the nodical of supporting network 44, just first support piece 45 with the support point of second support piece 43 is the tangent point on layer at place.
It is understood that the supporting net 44 is composed of a plurality of horizontal grid cells and a plurality of vertical grid cells intersecting with each other, the first supporting member 45 and the second supporting member 43 are fixed at the intersection points of the same horizontal grid cells and vertical grid cells, for example, the intersection points of the plurality of horizontal grid cells and the plurality of vertical grid cells are A, B and c, respectively, then one of the first supporting member 45 and the second supporting member 43 is fixed at the intersection point a and is centrosymmetric with respect to the intersection point a, and the arrangement of the first supporting member 45 and the second supporting member 43 at the intersection point B, C is the same as the arrangement of the intersection point a, specifically referring to the arrangement of the intersection point a.
Preferably, a third supporting member 46 is fixed between a plurality of the first supporting members 45, one fixing point of the third supporting member 46 is located at the fixing point of the first supporting member 45 and the insulating layer 3, and the other fixing point of the third supporting member 46 is located at the fixing point of the adjacent first supporting member 45 and the supporting net 44.
It should be noted that the two third supporting members 46 are located at two sides of the first supporting member 45, and are axisymmetrical with respect to the first supporting member 45, an inner stagger angle is formed between the third supporting member 46 and the first supporting member 45 and between the adjacent first supporting members 45, and the first supporting member 45 and the third supporting member 46 adopt the same fixing point on the insulating layer 3, so that a plurality of triangular stable structures are formed between the plurality of first supporting members 45 and the third supporting member 46, and the supporting stability of the compressive layer 4 is further improved.
Preferably, the area of the fixed point of the first support 45 to the first support layer 41 is larger than the cross-sectional area of the first support 45.
Since the first supporting member 45 is fixed on the insulating layer 3 of the cable, in order to keep the first supporting member 45 stable during the supporting process, a place with a large area is used for acting as a stabilizing block, and the stability of the first supporting member 45 is enhanced.
Preferably, the first support 45 is a support rod.
Preferably, the cross section of the support rod is cross-shaped.
It should be noted that, the cross section of the supporting rod is set to be cross-shaped, when the supporting rod is bent towards the thicker direction of the supporting rod, the supporting rod is not easy to bend due to the thicker part in the direction, and the pressure resistance of the supporting rod is further improved. It is understood that the second supporting member 43 and the third supporting member 46 are provided by referring to the first supporting member 45 by those skilled in the art in order to further improve the pressure resistance. The cross-section of the first support member 45 may also be provided as a polygon, which may be desired by one skilled in the art for the particular cable application.
Preferably, the first support 45, the second support 43, and the third support 46 are provided as insulators.
In this embodiment, the insulating layer 3 of the cable is damaged, and when the copper conductor 1 of the cable is exposed, in order to prevent the copper conductor 1 of the cable from being shorted with the first support member 45, the second support member 43, or the third support member 46 to cause the short circuit of the cable, thereby catching fire, the first support member 45, the second support member 43, and the third support member 46 are provided as insulators to prevent the above situation from occurring.
Preferably, the pressure-resistant layers 4 are arranged at intervals along the axial direction of the copper conductor 1, and a single pressure-resistant layer 4 is in a sealed state.
It can be understood that the length of the cable is usually a relatively common strip, and an appropriate length needs to be cut when in use, in the cutting process, due to the existence of the gap inside the pressure-resistant layer 4, the first support 45, the second support 43 and the third support 46 inside are easily contacted with air with higher humidity, which may cause the whole pressure-resistant layer 4 to be affected with damp and deteriorate, the pressure-resistant layer 4 is arranged at intervals along the axial direction of the copper conductor 1 through a plurality of pressure-resistant layers 4, and a single pressure-resistant layer 4 is in a sealed state, only the pressure-resistant layer 4 at the cutting surface of the cable is contacted with air with higher humidity, and the other pressure-resistant layers 4 are not easily affected with damp due to being in a microphone state, so that the pressure-resistant layer 4 has a certain protection effect.
Preferably, the second support layer 42 is provided as a thermally conductive layer.
Preferably, the heat conduction layer is laminated with a waterproof layer 2 on the surface of the center of the copper conductor 1, and the heat conduction layer is used for drying the waterproof layer 2.
In this embodiment, the anti-compression layer 4 is disposed through the insulating layer 3, the anti-compression layer 4 includes a first supporting layer 41 and a second supporting layer 42, a plurality of first supporting members 45 and a plurality of second supporting members 43 are respectively disposed on the first supporting layer 41 and the second supporting layer 42, a supporting net 44 is disposed between the plurality of second supporting members 43 and the second supporting members 43, fixing points of the first supporting members 45 and the second supporting members 43 and the supporting net 44 are set as intersections of the supporting net 44, supporting points of the first supporting members 45 and the second supporting members 43 are tangent points of the layers, the anti-compression layer 4 plays a supporting role for the insulating layer 3 of the cable, the first supporting members 45 and the second supporting members 43 are fixed on the intersections of the supporting net 44, so that pressure applied to the first supporting members 45 and the second supporting members is dispersed on grid units of the supporting net 44, and fixing points of the first supporting members 45 and the second supporting members 43 and the supporting net 44 are on the intersections of the supporting net 44, the grid unit of the component force borne by the supporting net 44 is increased, the stress of the first supporting piece 45 and the second supporting piece 43 is reduced, the compression resistance of the first supporting piece 45 and the second supporting piece 43 is improved, the support of the whole compression-resistant layer 4 to the cable is further enhanced, the compression resistance of the cable is improved, the cable is not easily crushed, the service life of the cable is prolonged, and the technical problems that the compression resistance is poor due to the fact that a rigid supporting structure does not exist, the cable is damaged, and the service life of the cable is shortened are solved.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention.

Claims (10)

1. The cable for the industrial automation equipment is characterized by comprising a copper conductor and an insulating layer wrapping the copper conductor;
the surface of the insulating layer, which is far away from the center of the cable, is provided with a pressure-resistant layer;
the anti-pressure layer include with the first supporting layer of insulating layer laminating, be provided with a plurality of first support pieces on the first supporting layer, it is a plurality of one of anti-pressure layer is kept away from to support piece serves and is fixed with the supporting network, be provided with a plurality of second support pieces on the supporting network, it is a plurality of second support piece is kept away from to second support piece the one end of supporting network is provided with the second supporting layer, all second support piece of second supporting layer parcel, wherein, first support piece with the fixed point of second support piece and supporting network is the nodical of supporting network, just first support piece with the strong point of second support piece is the tangent point on place layer.
2. The cable for industrial automation equipment as claimed in claim 1, wherein a third support member is fixed between a plurality of the first support members, one fixing point of the third support member is located at a fixing point of the first support member to the insulating layer, and another fixing point of the third support member is located at a fixing point of the adjacent first support member to the support net.
3. The cable for industrial automation equipment as claimed in claim 2, wherein an area of a fixing point of the first support member to the first support layer is larger than a cross-sectional area of the first support member.
4. The cable for industrial automation equipment as claimed in claim 1, wherein the first support is a support bar.
5. The cable for industrial automation equipment as claimed in claim 4, wherein the support rod has a cross-shaped cross-section.
6. The cable for industrial automation equipment as claimed in claim 1, wherein the first support is provided as an insulator.
7. The cable for industrial automation equipment as claimed in claim 1, wherein the pressure-resistant layers are provided at intervals in an axial direction of the copper conductor, and a single one of the pressure-resistant layers is in a sealed state.
8. The cable for industrial automation equipment as claimed in claim 1, wherein the first support has a polygonal cross-section.
9. The cable for industrial automation equipment of claim 1, wherein the second support layer is disposed as a thermally conductive layer.
10. The cable for industrial automation equipment of claim 9, wherein a waterproof layer is attached to a surface of the heat conductive layer away from the center of the copper conductor, and the heat conductive layer is used to dry the waterproof layer.
CN202010721443.5A 2020-07-24 2020-07-24 Cable for industrial automation equipment Pending CN111724935A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010721443.5A CN111724935A (en) 2020-07-24 2020-07-24 Cable for industrial automation equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010721443.5A CN111724935A (en) 2020-07-24 2020-07-24 Cable for industrial automation equipment

Publications (1)

Publication Number Publication Date
CN111724935A true CN111724935A (en) 2020-09-29

Family

ID=72573348

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010721443.5A Pending CN111724935A (en) 2020-07-24 2020-07-24 Cable for industrial automation equipment

Country Status (1)

Country Link
CN (1) CN111724935A (en)

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