CN111755161B - Device of protection against electric shock cable of unusual information transmission function - Google Patents
Device of protection against electric shock cable of unusual information transmission function Download PDFInfo
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- CN111755161B CN111755161B CN202010600907.7A CN202010600907A CN111755161B CN 111755161 B CN111755161 B CN 111755161B CN 202010600907 A CN202010600907 A CN 202010600907A CN 111755161 B CN111755161 B CN 111755161B
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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
- H01B7/328—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks comprising violation sensing means
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Abstract
A device for protecting a cable from electric shock with an abnormal information transmission function comprises a first wire core, a second wire core, a polypropylene filling layer, a cabling plastic wrapping layer, an anti-extrusion buffering wrapping layer, a halogen-free low-smoke polyolefin inner sheath layer, a safe voltage electric shock prevention wrapping conductor layer, an anti-triggering spacing layer, a safe voltage electric shock prevention twisted conductor and a polyethylene outer sheath layer; the peripheries of the first wire core and the second wire core are covered with cable plastic wrapping layers; the cabling is moulded the type and is set up anti extrusion buffering around covering, there is not steamed low cigarette polyolefin inner sheath layer, safe voltage protection against electric shock around covering conductive layer and the layer of preventing triggering around covering periphery cladding in proper order. In the invention, when the equipment is damaged by external force impact, the abnormal information automatic sending device sends information to the corresponding remote server. After receiving the information on the remote service end, the working personnel can process the information in time, and the response speed of the received accident and the subsequent maintenance efficiency are improved.
Description
Technical Field
The invention relates to the field of cables, in particular to a device with an abnormal information transmission function for protecting a cable from electric shock.
Background
Along with the rapid development of national economy, various city supporting buildings are more and more abundant, the electric system is increasingly complicated, the utilization rate and the use amount of wires and cables are increasingly increased, wires and cable pipelines are staggered and distributed densely in the longitudinal and transverse directions of the building, great convenience is brought to life of people, on the other hand, a large amount of cables are used, some unsafe factors and people are weak in safety power utilization consciousness, and accidents caused by electric shock due to wire and cable damage also happen occasionally.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background art, the invention provides an electric shock protection cable with an abnormal information transmission function and a device.
(II) technical scheme
In order to solve the above problems, the present invention provides an apparatus for protecting a cable from electric shock with an abnormal information transmission function, including the cable and a circuit system. The anti-electric-shock protection cable comprises a first wire core, a second wire core, a polypropylene filling layer, a cabling plastic wrapping layer, an anti-extrusion buffering wrapping layer, a halogen-free low-smoke polyolefin inner sheath layer, a safe voltage anti-electric-shock wrapping conductor layer, an anti-triggering spacing layer, a safe voltage anti-electric-shock twisting conductor and a polyethylene outer sheath layer;
the number of the first wire cores is two, and the cross section of each first wire core is circular; the first wire core comprises a first copper conductor and a crosslinked polyethylene insulating layer arranged on the periphery of the first copper conductor;
three second wire cores are arranged, and the cross sections of the second wire cores are fan-shaped; the second wire core comprises a second copper conductor and a crosslinked polyethylene insulating layer arranged on the periphery of the second copper conductor; the plurality of second wire cores are adjacent, mutually abutted or mutually attached to form a sector;
the peripheries of the two first wire cores and the three second wire cores are wrapped and arranged into a cabling type wrapping layer, and polypropylene filling layers are filled in the peripheries of the plurality of first wire cores, the peripheries of the plurality of second wire cores and the inner cavity of the cabling type wrapping layer;
the periphery of the cabling plastic wrapping layer is sequentially coated with an anti-extrusion buffering wrapping layer, a halogen-free low-smoke polyolefin inner sheath layer, a safe voltage electric shock prevention wrapping conductor layer and an anti-triggering spacing layer;
the safety voltage electric shock prevention twisted conductors are arranged in a plurality of annular arrays around the periphery of the electric shock prevention spacing layer; the outer peripheries of the safety voltage electric shock prevention twisted conductors are coated with polyethylene outer sheath layers.
The first wire core and the second wire core are high in flexibility and strong in tensile strength. The first copper conductor and the second copper conductor are peripherally provided with the crosslinked polyethylene insulating layers, the crosslinked polyethylene enables the plastic molecular structure to be rearranged through a steam crosslinking process, the structure is more wear-resistant and corrosion-resistant, and the insulating property is better. The polypropylene filling layer has good filling effect, so that the cable is integrally lighter. The periphery of the cabling plastic wrapping layer is coated with an anti-extrusion buffering wrapping layer, and the anti-extrusion buffering wrapping layer can buffer and protect the cabling plastic wrapping layer, the first wire core and the second wire core when the cable is impacted by external force; the halogen-free low-smoke polyolefin inner sheath layer and the polyethylene outer sheath layer form a double-layer protection structure; the anti-triggering spacing layer is arranged between the safe voltage anti-electric shock twisted conductor and the safe voltage anti-electric shock wrapping conductor layer, and has a good electric isolation and insulation effect.
The circuit system comprises a transformer, a KA1 coil contact switch, a KM1 alternating current contactor and an abnormal information automatic sending device;
the two first cores are electrically connected with a power supply of the circuit system through the N end and the PE end respectively;
the three second wire cores are electrically connected with a power supply of the circuit system through an L1 terminal, an L2 terminal and an L3 terminal respectively;
two input ends of the transformer are respectively and electrically connected with the L end and the N end; the two output ends of the transformer are respectively and electrically connected with a safe voltage electric shock prevention twisted conductor and a safe voltage electric shock prevention lapped conductor layer;
the KA1 coil contact switch is arranged between the transformer and the safe voltage anti-electric shock wrapping conductor layer in series;
a KM1 alternating current contactor and an abnormal information automatic sending device are arranged between the safe voltage electric shock prevention twisted conductor and the safe voltage electric shock prevention wrapped conductor layer in series.
In the invention, when equipment is impacted by external force and damages a polyethylene outer sheath layer, the external force pushes the safe voltage anti-electric shock twisted conductor to enable the safe voltage anti-electric shock twisted conductor to break the anti-electric shock spacing layer, and then the safe voltage anti-electric shock twisted conductor contacts the safe voltage anti-electric shock wrapped conductor layer to form a closed loop, and at the moment, a KA1 coil contact switch, an abnormal information automatic sending device and a KM1 alternating current contactor are powered on; at this time, the contact of the KA1 coil contact switch is closed, and the abnormal signal (KA1 normally open contact is closed) is transmitted to the abnormal information automatic transmission device; and the abnormal information automatic sending device further sends the information to the corresponding remote server. After receiving the information on the remote service end, the working personnel can process the information in time, so that the efficiency of receiving the accident response speed and the efficiency of subsequent maintenance are improved.
Drawings
Fig. 1 is a schematic structural view of an electric shock protection cable with an abnormal information transmission function according to the present invention.
Fig. 2 is a schematic diagram of a circuit system in the device for protecting a cable against electric shock with an abnormal information transmission function according to the present invention.
Fig. 3 is a schematic diagram of electrical connection of an abnormal information automatic sending device in the electric shock protection cable device with abnormal information transmission function according to the present invention.
Fig. 4 is a schematic diagram of a part of circuit connections in a circuit system of the electric shock protection cable device with an abnormal information transmission function according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-4, the device for protecting a cable against electric shock with an abnormal information transmission function according to the present invention includes a cable against electric shock and a circuit system. The electric shock protection cable comprises a first wire core 10, a second wire core 9, a polypropylene filling layer 8, a cabling plastic type wrapping layer 7, an anti-extrusion buffering wrapping layer 6, a halogen-free low-smoke polyolefin inner sheath layer 5, a safe voltage electric shock protection wrapping conductor layer 4, an anti-triggering spacing layer 3, a safe voltage electric shock protection twisted conductor 2 and a polyethylene outer sheath layer 1;
two first wire cores 10 are arranged, and the cross section of each first wire core 10 is circular; the first core 10 includes a first copper conductor, and a crosslinked polyethylene insulating layer disposed at an outer periphery of the first copper conductor;
three second wire cores 9 are arranged, and the cross sections of the second wire cores 9 are fan-shaped; the second wire core 9 includes a second copper conductor, and a crosslinked polyethylene insulating layer disposed on the outer periphery of the second copper conductor; the second cores 9 are adjacent, mutually abutted or mutually attached to form a sector;
the peripheries of the two first wire cores 10 and the three second wire cores 9 are wrapped and arranged into a cable-forming wrapping layer 7, and polypropylene filling layers 8 are filled in the peripheries of the plurality of first wire cores 10, the peripheries of the plurality of second wire cores 9 and the inner cavity of the cable-forming wrapping layer 7;
the periphery of the cabling plastic type wrapping layer 7 is sequentially coated with an anti-extrusion buffering wrapping layer 6, a halogen-free low-smoke polyolefin inner sheath layer 5, a safe voltage electric shock prevention wrapping conductor layer 4 and an anti-triggering spacing layer 3;
the safety voltage electric shock prevention twisted conductors 2 are arranged in a plurality of annular arrays around the periphery of the electric shock prevention spacing layer 3; the outer peripheries of the safety voltage electric shock prevention twisted conductors 2 are coated with polyethylene outer sheath layers 1.
In an alternative embodiment, the first copper conductor and the second copper conductor are both 99.99% oxygen-free copper wire stranded conductors.
In the invention, the first wire core 10 and the second wire core 9 have high flexibility and strong tensile strength. The first copper conductor and the second copper conductor are peripherally provided with the crosslinked polyethylene insulating layers, the crosslinked polyethylene enables the plastic molecular structure to be rearranged through a steam crosslinking process, the structure is more wear-resistant and corrosion-resistant, and the insulating property is better. The polypropylene filling layer 8 has good filling effect, so that the cable is light as a whole.
The periphery of the cabling plastic wrapping layer 7 is coated with an anti-extrusion buffering wrapping layer 6, and the anti-extrusion buffering wrapping layer 6 can buffer and protect the cabling plastic wrapping layer 7, the first wire core 10 and the second wire core 9 when the cable is impacted by external force;
the halogen-free low-smoke polyolefin inner sheath layer 5 and the polyethylene outer sheath layer 1 form a double-layer protection structure;
the anti-triggering spacing layer 3 is arranged between the safe voltage anti-electric shock twisted conductor 2 and the safe voltage anti-electric shock lapped conductor layer 4, and has a good electric isolation and insulation effect.
According to the electric shock protection cable with the abnormal information transmission function, the invention also provides a device of the electric shock protection cable with the abnormal information transmission function, which comprises a circuit system, wherein the circuit system comprises a transformer, a KA1 coil contact switch, a KM1 alternating current contactor and an abnormal information automatic sending device;
the two first wire cores 10 are electrically connected with a power supply of the circuit system through an N end and a PE end respectively;
the three second cores 9 are electrically connected with a power supply of the circuit system through an L1 terminal, an L2 terminal and an L3 terminal respectively;
two input ends of the transformer are respectively and electrically connected with the end L3 and the end N; two output ends of the transformer are respectively and electrically connected with a safe voltage electric shock prevention twisted conductor 2 and a safe voltage electric shock prevention lapped conductor layer 4;
the KA1 coil contact switch is arranged in series between the transformer and the safe voltage anti-electric shock wrapping conductor layer 4;
a KM1 alternating current contactor and an abnormal information automatic sending device are arranged between the safe voltage electric shock prevention twisted conductor 2 and the safe voltage electric shock prevention wrapped conductor layer 4 in series.
In the working process, when the equipment is impacted by external force and damages the polyethylene outer sheath layer 1, the external force pushes the safe voltage anti-electric shock twisted conductor 2 to enable the safe voltage anti-electric shock twisted conductor 2 to break the anti-triggering spacing layer 3, and then the safe voltage anti-electric shock twisted conductor 2 contacts the safe voltage anti-electric shock lapped conductor layer 4 to form a closed loop, and at the moment, the KA1 coil contact switch, the abnormal information automatic sending device and the KM1 alternating current contactor are powered on;
at this time, the contact of the KA1 coil contact switch is closed, and the abnormal signal (KA1 normally open contact is closed) is transmitted to the abnormal information automatic transmission device; and the abnormal information automatic sending device further sends the information to the corresponding remote server.
In an initial normal state, the contact of a KA1 coil contact switch is disconnected, a KM1 alternating current contactor of a main loop is disconnected, and a strong current part of a cable main cable core is disconnected.
In an optional embodiment, the remote service end is a mobile phone end or a PC end.
It should be noted that, when the device is damaged by an external force, the safety voltage electric shock prevention twisted conductor 2 breaks the anti-trigger spacer layer 3, and then the safety voltage electric shock prevention twisted conductor 2 contacts the safety voltage electric shock prevention wrapped conductor layer 4 to form a closed loop, so that the abnormal information automatic sending device further sends information to the corresponding remote service end; after receiving the information on the remote service end, the working personnel can process the information in time, so that the efficiency of receiving the accident response speed and the efficiency of subsequent maintenance are improved.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (1)
1. A device for protecting a cable against electric shock with an abnormal information transmission function is characterized by comprising the cable against electric shock and a circuit system;
the anti-electric-shock protection cable comprises a first wire core (10), a second wire core (9), a polypropylene filling layer (8), a cabling molding wrapping layer (7), an anti-extrusion buffering wrapping layer (6), a halogen-free low-smoke polyolefin inner sheath layer (5), a safe voltage anti-electric-shock wrapping conductor layer (4), a trigger-proof spacing layer (3), a safe voltage anti-electric-shock twisting conductor (2) and a polyethylene outer sheath layer (1);
two first wire cores (10) are arranged, and the cross sections of the first wire cores (10) are circular; the first wire core (10) comprises a first copper conductor and a crosslinked polyethylene insulating layer arranged on the periphery of the first copper conductor;
three second wire cores (9) are arranged, and the cross sections of the second wire cores (9) are fan-shaped; the second wire core (9) comprises a second copper conductor and a crosslinked polyethylene insulating layer arranged on the periphery of the second copper conductor; the second wire cores (9) are adjacent, mutually abutted or mutually attached to form a sector;
the peripheries of the two first wire cores (10) and the three second wire cores (9) are coated with cabling molding wrapping layers (7), and polypropylene filling layers (8) are filled in the peripheries of the first wire cores (10), the peripheries of the second wire cores (9) and cavities in the cabling molding wrapping layers (7);
the periphery of the cabling molding wrapping layer (7) is sequentially coated with an anti-extrusion buffering wrapping layer (6), a halogen-free low-smoke polyolefin inner sheath layer (5), a safe voltage electric shock prevention wrapping conductor layer (4) and an electric shock prevention spacing layer (3);
the safety voltage electric shock prevention twisted conductors (2) are arranged in a plurality of annular arrays around the periphery of the electric shock prevention spacing layer (3); the peripheries of the safety voltage electric shock prevention twisted conductors (2) are coated with polyethylene outer sheath layers (1);
the circuit system includes: the device comprises a transformer, a KA1 coil contact switch, a KM1 alternating current contactor and an abnormal information automatic sending device;
the two first wire cores (10) are electrically connected with a power supply of the circuit system through an N end and a PE end respectively;
the three second wire cores (9) are electrically connected with a power supply of the circuit system through an L1 end, an L2 end and an L3 end respectively;
two input ends of the transformer are respectively and electrically connected with the end L3 and the end N; two output ends of the transformer are respectively and electrically connected with a safe voltage electric shock prevention twisted conductor (2) and a safe voltage electric shock prevention lapped conductor layer (4);
the KA1 coil contact switch is arranged between the transformer and the safe voltage anti-electric shock wrapping conductor layer (4) in series;
a KM1 alternating current contactor and an abnormal information automatic sending device are arranged between the safe voltage electric shock prevention twisted conductor (2) and the safe voltage electric shock prevention wrapped conductor layer (4) in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010600907.7A CN111755161B (en) | 2020-06-29 | 2020-06-29 | Device of protection against electric shock cable of unusual information transmission function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010600907.7A CN111755161B (en) | 2020-06-29 | 2020-06-29 | Device of protection against electric shock cable of unusual information transmission function |
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| Publication Number | Publication Date |
|---|---|
| CN111755161A CN111755161A (en) | 2020-10-09 |
| CN111755161B true CN111755161B (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010600907.7A Active CN111755161B (en) | 2020-06-29 | 2020-06-29 | Device of protection against electric shock cable of unusual information transmission function |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4477693A (en) * | 1982-12-09 | 1984-10-16 | Cooper Industries, Inc. | Multiply shielded coaxial cable with very low transfer impedance |
| CN203491001U (en) * | 2013-07-05 | 2014-03-19 | 圣安电缆有限公司 | Tile-shaped conductor of power cable |
| CN103871613A (en) * | 2014-02-23 | 2014-06-18 | 安徽华海特种电缆集团有限公司 | Environment-friendly low smoke zero halogen ratproof and anti-termite cable |
| CN205050628U (en) * | 2015-09-10 | 2016-02-24 | 安徽旺达铜业发展有限公司 | Computer shielded cable with skeleton inside lining |
| CN205881557U (en) * | 2016-07-25 | 2017-01-11 | 江苏上上电缆集团有限公司 | Anti interference shielding cable of little external diameter of compact |
| CN209691442U (en) * | 2019-05-20 | 2019-11-26 | 郑州金东线缆有限公司 | It is a kind of suitable for tower crane or the private cable of elevator |
-
2020
- 2020-06-29 CN CN202010600907.7A patent/CN111755161B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4477693A (en) * | 1982-12-09 | 1984-10-16 | Cooper Industries, Inc. | Multiply shielded coaxial cable with very low transfer impedance |
| CN203491001U (en) * | 2013-07-05 | 2014-03-19 | 圣安电缆有限公司 | Tile-shaped conductor of power cable |
| CN103871613A (en) * | 2014-02-23 | 2014-06-18 | 安徽华海特种电缆集团有限公司 | Environment-friendly low smoke zero halogen ratproof and anti-termite cable |
| CN205050628U (en) * | 2015-09-10 | 2016-02-24 | 安徽旺达铜业发展有限公司 | Computer shielded cable with skeleton inside lining |
| CN205881557U (en) * | 2016-07-25 | 2017-01-11 | 江苏上上电缆集团有限公司 | Anti interference shielding cable of little external diameter of compact |
| CN209691442U (en) * | 2019-05-20 | 2019-11-26 | 郑州金东线缆有限公司 | It is a kind of suitable for tower crane or the private cable of elevator |
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|---|---|
| CN111755161A (en) | 2020-10-09 |
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