CN112509742A - Multi-layer winding and wrapping type electric wire and processing technology thereof - Google Patents

Multi-layer winding and wrapping type electric wire and processing technology thereof Download PDF

Info

Publication number
CN112509742A
CN112509742A CN202011513581.0A CN202011513581A CN112509742A CN 112509742 A CN112509742 A CN 112509742A CN 202011513581 A CN202011513581 A CN 202011513581A CN 112509742 A CN112509742 A CN 112509742A
Authority
CN
China
Prior art keywords
layer
heat dissipation
shielding layer
wire
copper
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
CN202011513581.0A
Other languages
Chinese (zh)
Inventor
桑永树
史衍昆
李运鹤
刘军
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.)
Anhui Shilin Lighting Co Ltd
Original Assignee
Anhui Shilin Lighting 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 Anhui Shilin Lighting Co Ltd filed Critical Anhui Shilin Lighting Co Ltd
Priority to CN202011513581.0A priority Critical patent/CN112509742A/en
Publication of CN112509742A publication Critical patent/CN112509742A/en
Pending legal-status Critical Current

Links

Images

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
    • H01B7/1875—Multi-layer sheaths
    • 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
    • H01B13/141—Insulating conductors or cables by extrusion of two or more insulating 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
    • 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
    • H01B13/221—Sheathing; Armouring; Screening; Applying other protective layers filling-up interstices
    • 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
    • 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
    • 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
    • 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
    • H01B13/262—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by longitudinal lapping of an outer metallic screen
    • 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
    • H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
    • 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
    • H01B7/22—Metal wires or tapes, e.g. made of steel
    • H01B7/221—Longitudinally placed metal wires or tapes
    • 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

Abstract

The invention discloses a multilayer wrapped wire, wherein a wire body is composed of a plurality of copper wire conductors, the surfaces of the copper wire conductors are wrapped with inner insulation shielding layers, protective glue is coated on the surfaces of the copper wire conductors, the protective glue is aerogel, the wire body is sequentially wrapped with a composite shielding layer, a heat dissipation layer, a reinforced protection layer and an outer insulation shielding layer from inside to outside, the composite shielding layer is formed by weaving nylon tapes and tinned wires, the inner insulation shielding layer and the outer insulation shielding layer are both made of silicon rubber materials, the heat dissipation layer is made of polyethylene heat absorption materials, and steel stranded wires penetrate through the middles of the copper wire conductors. The electric wire has high structural strength, the toughness and the bending resistance of the electric wire are improved by penetrating the steel strand, the heat dissipation performance of the electric wire is improved by adding the heat dissipation layer, and the electromagnetic radiation shielding capability of the electric wire is improved by adding the reinforcing protective layer and the protective adhesive.

Description

Multi-layer winding and wrapping type electric wire and processing technology thereof
Technical Field
The invention relates to the technical field of cables and wires, in particular to a multilayer wrapping type wire and a processing technology thereof.
Background
An existing cable generally adopts an extruded insulating layer without an internally and externally extruded semi-conductive silicon rubber shielding layer, because a cable conductor is formed by twisting a plurality of conducting wires, an air gap is easily formed between the cable conductor and the insulating layer, the surface of the conductor is not smooth, an electric field is concentrated, the cable breakdown is caused, the service life is influenced, the cable has higher shielding effect requirements, the existing common shielding wiring system is that a metal shielding layer is added outside a common non-shielding wiring system, electromagnetic interference and electromagnetic radiation are prevented by utilizing the reflection absorption and the skin effect of the metal shielding layer, but the accumulated signal attenuation cannot always ensure the stable transmission of signals along with the increase of the distance of a transmission channel. Under the condition, the cable has poor shielding effect and still generates electromagnetic interference, and moreover, the cable uses shielding materials as shielding layers, so that the toughness and the bending resistance of the cable are reduced.
Disclosure of Invention
The invention aims to provide a multilayer winding and wrapping type electric wire and a processing technology thereof.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the utility model provides an electric wire of multilayer package formula, the electric wire body comprises many copper line conductors, copper line conductor surface coating has the internal insulation shielding layer, and copper line conductor surface has smeared the protection and has glued, the protection is glued and is the aerogel, the electric wire body from interior to exterior in proper order the cladding have compound shielding layer, heat dissipation layer and enhancement inoxidizing coating and external insulation shielding layer, compound shielding layer is woven by nylon band and tinned wire and is formed, internal insulation shielding layer and external insulation shielding layer are made by silicon rubber materials, the heat dissipation layer is made for polyethylene heat absorption material, steel strand wires are worn to be equipped with at many copper line conductor middle parts.
Preferably, a plurality of heat dissipation ports are uniformly formed in the inner side wall of the heat dissipation layer, and the heat dissipation ports are formed along the length direction of the heat dissipation layer.
Preferably, all be equipped with the filling layer between the copper conductor that separates more, the filling layer is dry powder.
Preferably, a semi-conductive belt is arranged between the outer wall of the copper wire conductor and the inner insulating shielding layer, and the semi-conductive belt is wound on the outer wall of the copper wire conductor.
Preferably, the reinforcing layer is made of a metal wire mesh material, and the surface of the reinforcing layer is coated with a polyurethane coating.
A process for manufacturing a multi-layer wrapped electrical wire, comprising the steps of:
step 1, preparing aerogel; dispersing manganese-zinc ferrite in a precursor solution containing phloroglucinol by ultrasonic waves, adding paraformaldehyde, uniformly mixing to obtain phenolic sol of the manganese-zinc ferrite, performing aftertreatment to prepare aerogel, and smearing the aerogel on the surface of a copper wire conductor;
step 2, preparing an inner insulation shielding layer; continuously extruding the heat-insulating rubber on the surface of the copper wire conductor by an extruder;
step 3, preparing a composite shielding layer; overlapping wrapping nylon belts and tinned wire braided layers are adopted, and the nylon belts are wrapped on the inner insulating shielding layer in a smooth wrapping manner;
step 4, filling; inserting steel strands into the middle parts of the copper wire conductors, and filling the gaps inside the composite shielding layer with dry powder;
step 5, preparing a heat dissipation layer; the heat dissipation layer is flat through hot pressing, after the heat dissipation layer is cooled, the surface of the heat dissipation layer is grooved through a grooving machine, a plurality of heat dissipation ports are formed in the surface of the heat dissipation layer, then the heat dissipation layer is wrapped on the surface of the composite shielding layer, and sealing is continued through a heat sealing machine.
Step 6, preparing a reinforced protective layer; winding a metal wire mesh on the surface of the heat dissipation layer, and coating a polyurethane coating;
step 7, an outer insulation shielding layer; and extruding the thermal insulation rubber on the surface of the reinforced protective layer through an extruder.
Compared with the prior art, the invention has the advantages that:
the electric wire has high structural strength, the toughness and the bending resistance of the electric wire are improved by penetrating the steel strand, the heat dissipation performance of the electric wire is improved by adding the heat dissipation layer, and the electromagnetic radiation shielding capability of the electric wire is improved by adding the reinforcing protective layer and the protective adhesive.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a structural view of a multi-layer wrapped electric wire of the present invention.
In the figure: 1 copper wire conductor, 2 internal insulation shielding layers, 3 composite shielding layers, 4 heat dissipation layers, 5 heat dissipation ports, 6 reinforcing protective layers, 7 external insulation shielding layers, 8 steel stranded wires and 9 filling layers.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.
Referring to fig. 1, the invention provides a multilayer wrapped wire, a wire body is composed of a plurality of copper wire conductors 1, inner insulation shielding layers 2 are wrapped on the surfaces of the copper wire conductors 1, protective glue is coated on the surfaces of the copper wire conductors 1, the protective glue is aerogel, the wire body 1 is sequentially wrapped with a composite shielding layer 3, a heat dissipation layer 4, a reinforcing protection layer 6 and an outer insulation shielding layer 7 from inside to outside, the composite shielding layer 3 is formed by weaving nylon tapes and tinned wires, the inner insulation shielding layers 2 and the outer insulation shielding layers 7 are made of silicon rubber materials, the heat dissipation layer 4 is made of polyethylene heat absorption materials, and steel strands 8 penetrate through the middles of the copper wire conductors 1.
In this embodiment, a plurality of heat dissipation openings 5 are uniformly formed in the inner side wall of the heat dissipation layer 4, and the heat dissipation openings 5 are formed along the length direction of the heat dissipation layer 4.
In this embodiment, all be equipped with filling layer 9 between separating copper conductor 1 more, filling layer 9 is the dry powder, and when copper conductor 1 short circuit burns out, the effect that the flame was put out can be played to the dry powder, reduces danger.
In this embodiment, a semi-conductive tape is disposed between the outer wall of the copper conductor 1 and the inner insulating shield layer 2, and the semi-conductive tape is wound around the outer wall of the copper conductor 1.
In this embodiment, the reinforcing layer 6 is made of a wire mesh material, and a polyurethane coating is coated on the surface of the reinforcing layer 6.
A processing technology of a multilayer winding and wrapping type electric wire is characterized in that: a multi-layer wrapped electrical wire comprising the multilayer wrap of any of claims 1 to 5, further comprising the process steps of:
step 1, preparing aerogel; dispersing manganese-zinc ferrite in a precursor solution containing phloroglucinol by ultrasonic waves, adding paraformaldehyde, uniformly mixing to obtain phenolic sol of the manganese-zinc ferrite, performing aftertreatment to prepare aerogel, coating the aerogel on the surface of a copper wire conductor 1, and coating the aerogel on the surface of the copper wire conductor 1 to play a role in protection, so that the environmental weather resistance and the shielding property of a product are improved; on the other hand, the manganese zinc ferrite with electromagnetic shielding property is beneficial to forming multiple reflections on electromagnetic signals and further improving the electromagnetic shielding property;
step 2, preparing an inner insulation shielding layer 2; continuously extruding the heat-insulating rubber on the surface of the copper wire conductor 1 through an extruder;
step 3, preparing a composite shielding layer; overlapping wrapping nylon belts and tinned wire braided layers are adopted, and the nylon belts are wrapped on the inner insulating shielding layer 2 in a smooth wrapping manner;
step 4, filling; inserting steel strands 8 in the middle of the copper wire conductors 1, and filling gaps inside the composite shielding layer 3 with dry powder;
step 5, preparing a heat dissipation layer; the heat dissipation layer is flat through hot pressing, after the heat dissipation layer is cooled, the surface of the heat dissipation layer is grooved through a grooving machine, a plurality of heat dissipation ports 5 are formed in the surface of the heat dissipation layer, then the heat dissipation layer is wrapped on the surface of the composite shielding layer 3, and sealing is continued through a heat sealing machine.
Step 6, preparing a reinforced protective layer; winding a metal wire mesh on the surface of the heat dissipation layer 4, and coating a polyurethane coating for improving the structural strength and the electromagnetic radiation shielding capability;
step 7, an outer insulation shielding layer; the thermal insulation rubber is extruded on the surface of the reinforcing protective layer 6 through an extruder.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes or modifications may be made by the patentees within the scope of the appended claims, and within the scope of the invention, as long as they do not exceed the scope of the invention described in the claims.

Claims (6)

1. A multi-layer wrapped electrical wire, comprising: the electric wire body comprises many copper line conductors, and copper line conductor surface parcel has the internal insulation shielding layer, and copper line conductor surface has been paintd the protective adhesive, and the protective adhesive is the aerogel, and electric wire body from interior to exterior in proper order the cladding have compound shielding layer, heat dissipation layer and enhancement inoxidizing coating and outer insulation shielding layer, compound shielding layer is woven by nylon tape and tinned wire and is formed, internal insulation shielding layer and outer insulation shielding layer are made by silicon rubber material, the heat dissipation layer is made for polyethylene heat absorbing material, and many copper line conductors wear to be equipped with steel strand wires in the middle part.
2. The multi-layer wrapped electrical wire according to claim 1, wherein: a plurality of heat dissipation ports are uniformly formed in the inner side wall of the heat dissipation layer, and the heat dissipation ports are formed along the length direction of the heat dissipation layer.
3. The multi-layer wrapped electrical wire according to claim 1, wherein: all be equipped with the filling layer between the copper conductor that separates more, the filling layer is dry powder.
4. The multi-layer wrapped electrical wire according to claim 1, wherein: and semi-conducting belts are arranged between the outer wall of the copper wire conductor and the inner insulating shielding layer and are wound on the outer wall of the copper wire conductor.
5. The multi-layer wrapped electrical wire according to claim 1, wherein: the reinforcing layer is made of a metal wire mesh material, and a polyurethane coating is coated on the surface of the reinforcing layer.
6. A processing technology of a multilayer winding and wrapping type electric wire is characterized in that: the multi-layer wrapped electrical wire comprising any one of claims 1 to 5, further comprising the process steps of:
step 1, preparing aerogel; dispersing manganese-zinc ferrite in a precursor solution containing phloroglucinol by ultrasonic waves, adding paraformaldehyde, uniformly mixing to obtain phenolic sol of the manganese-zinc ferrite, performing aftertreatment to prepare aerogel, and smearing the aerogel on the surface of a copper wire conductor;
step 2, preparing an inner insulation shielding layer; continuously extruding the heat-insulating rubber on the surface of the copper wire conductor by an extruder;
step 3, preparing a composite shielding layer; overlapping wrapping nylon belts and tinned wire braided layers are adopted, and the nylon belts are wrapped on the inner insulating shielding layer in a smooth wrapping manner;
step 4, filling; inserting steel strands into the middle parts of the copper wire conductors, and filling the gaps inside the composite shielding layer with dry powder;
step 5, preparing a heat dissipation layer; the heat dissipation layer is in a flat shape through hot pressing, after the heat dissipation layer is cooled, a groove is formed in the surface of the heat dissipation layer through a groove cutting machine, a plurality of heat dissipation ports are formed in the surface of the heat dissipation layer, then the heat dissipation layer is wrapped on the surface of the composite shielding layer, and sealing is continued through a heat sealing machine;
step 6, preparing a reinforced protective layer; winding a metal wire mesh on the surface of the heat dissipation layer, and coating a polyurethane coating;
step 7, an outer insulation shielding layer; and extruding the thermal insulation rubber on the surface of the reinforced protective layer through an extruder.
CN202011513581.0A 2020-12-21 2020-12-21 Multi-layer winding and wrapping type electric wire and processing technology thereof Pending CN112509742A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011513581.0A CN112509742A (en) 2020-12-21 2020-12-21 Multi-layer winding and wrapping type electric wire and processing technology thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011513581.0A CN112509742A (en) 2020-12-21 2020-12-21 Multi-layer winding and wrapping type electric wire and processing technology thereof

Publications (1)

Publication Number Publication Date
CN112509742A true CN112509742A (en) 2021-03-16

Family

ID=74922640

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011513581.0A Pending CN112509742A (en) 2020-12-21 2020-12-21 Multi-layer winding and wrapping type electric wire and processing technology thereof

Country Status (1)

Country Link
CN (1) CN112509742A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103366886A (en) * 2013-07-20 2013-10-23 河南盛世塑业有限公司 Heat dissipation electric wire lead protective tube
CN204348402U (en) * 2014-12-22 2015-05-20 安徽天彩电缆集团有限公司 A kind of special cable with self heat dissipation function
CN110660509A (en) * 2018-06-29 2020-01-07 广东天虹电缆有限公司 Flame-retardant heat-dissipation type automobile cable
CN111704801A (en) * 2020-07-03 2020-09-25 长沙而道新能源科技有限公司 Cable for new energy automobile and processing technology thereof
CN111785420A (en) * 2020-05-29 2020-10-16 浙江元通线缆制造有限公司 High-voltage silicon rubber flexible cable and processing technology thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103366886A (en) * 2013-07-20 2013-10-23 河南盛世塑业有限公司 Heat dissipation electric wire lead protective tube
CN204348402U (en) * 2014-12-22 2015-05-20 安徽天彩电缆集团有限公司 A kind of special cable with self heat dissipation function
CN110660509A (en) * 2018-06-29 2020-01-07 广东天虹电缆有限公司 Flame-retardant heat-dissipation type automobile cable
CN111785420A (en) * 2020-05-29 2020-10-16 浙江元通线缆制造有限公司 High-voltage silicon rubber flexible cable and processing technology thereof
CN111704801A (en) * 2020-07-03 2020-09-25 长沙而道新能源科技有限公司 Cable for new energy automobile and processing technology thereof

Similar Documents

Publication Publication Date Title
KR100374422B1 (en) Shielded cable and method of making same
CN211699754U (en) Continuous composite pipe cable
CN114724767A (en) Cable with a flexible connection
CN112509742A (en) Multi-layer winding and wrapping type electric wire and processing technology thereof
CN202662314U (en) High-frequency microwave communication complex cable
CN215183246U (en) High tension cable in lightweight superconductive aluminum alloy core car
CN214624471U (en) Flexible wind power control cable
CN210805325U (en) Super-flexible high-voltage pulse power supply cable
CN211555578U (en) Semi-air insulation low-loss coaxial radio frequency cable
CN203799693U (en) Cable for high-strength, high-temperature-resistance and anti-jamming automobile sensor
CN212161318U (en) Electrical connection anti-interference multi-core cable of photovoltaic power generation system
CN212934247U (en) Novel high-speed cable
CN216980153U (en) Flat watertight cable
CN220933789U (en) Shielded anti-interference cable for rolling stock
CN219610053U (en) Multifunctional composite cable for aerospace
CN214428394U (en) High-frequency shielding wire
CN219891933U (en) Novel moisture-proof type shielding irrigation cable
CN220290477U (en) High-altitude anti-interference extremely-cold-resistant variable frequency cable
CN209607442U (en) A kind of 0.6/1kV Cable for frequency changer
CN214377728U (en) Light nuclear-resistant electromagnetic pulse integrated cable for aerospace
CN210429357U (en) 66kV photoelectric composite submarine cable
CN220691763U (en) Attenuation-inhibiting reinforced sealed shielding coaxial cable
CN210778916U (en) Intelligent military equipment low-loss coaxial radio frequency cable
CN210777882U (en) Novel circular cable of insulating copper core polyvinyl chloride
CN220456100U (en) Bending-resistant industrial sensor cable

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20210316

RJ01 Rejection of invention patent application after publication