CN111755157A - Fireproof low-smoke halogen-free cable - Google Patents
Fireproof low-smoke halogen-free cable Download PDFInfo
- Publication number
- CN111755157A CN111755157A CN202010782314.7A CN202010782314A CN111755157A CN 111755157 A CN111755157 A CN 111755157A CN 202010782314 A CN202010782314 A CN 202010782314A CN 111755157 A CN111755157 A CN 111755157A
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- Prior art keywords
- layer
- head
- wall
- plug
- cable body
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Classifications
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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
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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
- H01B7/40—Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/20—Coupling parts carrying sockets, clips or analogous contacts and secured only to wire or cable
- H01R24/22—Coupling parts carrying sockets, clips or analogous contacts and secured only to wire or cable with additional earth or shield contacts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
- H01R24/30—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable with additional earth or shield contacts
Abstract
The invention discloses a fireproof low-smoke halogen-free cable which comprises a cable body, a plugging male head and a plugging female head, wherein the plugging male head and the plugging female head are respectively arranged at two ends of the cable body and are electrically connected with the cable body; the inserting male head is arranged to be a circular inserting male head, and a guide groove is formed in the side wall of the inserting male head; the female head of grafting includes insulating sleeve, contact plate and guide locating pin, insulating sleeve fixed bonding is on the outer wall of cable body, just contact plate and guide locating pin all are located insulating sleeve's inside. According to the cable, the cable body comprises the wire core, the belting layer, the shielding layer and the high-strength protective sleeve, the first shaping steel wire is positioned in the insulating filler, the second shaping steel wire is positioned in the steel wire layer, and the plasticity and the tensile strength of the cable are improved through the first shaping steel wire and the second shaping steel wire.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a fireproof low-smoke halogen-free cable.
Background
Low smoke and zero halogen, abbreviated as LSZH, LSOH, LS0H, LSFH, and OHLS, are material classifications for wire sheaths in the wire and cable industry. The low-smoke halogen-free wire sheath is composed of thermoplastic or thermosetting materials which have low smoke discharge amount and do not contain halogen when being heated; most of the network wire coating layer is made of polyethylene, polyvinyl chloride or thermoplastic polyurethane. When a fire occurs, the chlorine-containing plastics release toxic hydrogen chloride, and hydrochloric acid is generated if water is encountered. The low-smoke halogen-free material can not release hydrogen halide or other acids when in fire; the low-smoke halogen-free material can reduce toxic and corrosive gases generated during combustion. In environments with poor ventilation, such as airplanes, train cars, or ships, low smoke, zero halogen materials are often used. Low smoke zero halogen materials are also commonly used in the railway industry because there will be high voltage lines or signal lines that convey train locations under the railway; the low-smoke halogen-free material is used for reducing the toxic gas accumulated when the line is damaged due to fire or short circuit.
However, the existing low-smoke halogen-free cable has poor plasticity and low tensile strength, so that the fireproof low-smoke halogen-free cable is formed.
Disclosure of Invention
The invention aims to provide a fireproof low-smoke halogen-free cable, which is characterized in that a cable body is provided with a wire core, a belting layer, a shielding layer and a high-strength protective sleeve, a first shaping steel wire is positioned inside an insulating filler, a second shaping steel wire is positioned inside a steel wire layer, and the plasticity and tensile strength of the cable are improved to a certain extent through the first shaping steel wire and the second shaping steel wire, so that the problems in the background art are solved.
In order to achieve the purpose, the invention provides the following technical scheme:
a fireproof low-smoke halogen-free cable comprises a cable body, a plug male head and a plug female head, wherein the plug male head and the plug female head are respectively arranged at two ends of the cable body and are electrically connected with the cable body;
the inserting male head is arranged to be a circular inserting male head, and a guide groove is formed in the side wall of the inserting male head;
the plug female head comprises an insulating sleeve, a contact plate and a guide positioning pin, the insulating sleeve is fixedly bonded on the outer wall of the cable body, the contact plate and the guide positioning pin are both positioned in the insulating sleeve, the guide positioning pin and the contact plate are integrally formed, and the contact plate is electrically connected with the cable body;
the cable body includes sinle silk, band layer, shielding layer and high strength protective sheath, the sinle silk is provided with four groups, and is provided with tensile layer and insulating lining on the outer wall of sinle silk respectively, insulating lining fixed bonding in the outside on fire-retardant layer, four groups the sinle silk is located band layer inside, and band layer's inside is provided with insulating filler, the shielding layer passes through adhesive fixed bonding on band layer's outer wall, high strength protective sheath fixed bonding is on shielding layer's outer wall, the sealed fixed bonding of insulation support is on high strength protective sheath's outer wall.
The high-strength protective sleeve comprises a heat insulation layer, an insulating layer, a wear-resistant layer, a flame-retardant layer, a steel wire layer and a waterproof layer, wherein the wear-resistant layer is arranged on the outer side of the flame-retardant layer, the waterproof layer is fixedly adhered to the inner wall of the flame-retardant layer, the steel wire layer is arranged between the waterproof layer and the flame-retardant layer, the insulating layer is adhered to the outer wall of the shielding layer, and the heat insulation layer is adhered to the outer wall of the insulating layer.
The cable body further comprises first shaping steel wires and second shaping steel wires, the first shaping steel wires are located inside the insulating filler, the second shaping steel wires are provided with four groups, and the four groups of second shaping steel wires are located inside the steel wire layer.
The wear-resistant layer is an aramid fiber wear-resistant layer, the flame-retardant layer is a poly-p-phenylene terephthamide flame-retardant layer, and the waterproof layer is a polyurethane waterproof layer.
The plug-in male head is set to be a conductive plug-in male head, and the contact plate is set to be a conductive contact plate.
Two groups of first through holes are correspondingly formed in the outer wall of the insulating sleeve, and second through holes corresponding to the first through holes are formed in the side wall of the inserting male head.
The male plug and the female plug are connected and fixed through bolt pins, and one end of the bolt sequentially penetrates through the first through hole and the second through hole and is locked and fixed through a nut.
The bolt is an insulated bolt formed by impregnating glass fiber yarns in an epoxy resin matrix through high-temperature pultrusion.
In summary, due to the adoption of the technology, the invention has the beneficial effects that:
1. according to the cable, the cable body comprises the wire core, the belting layer, the shielding layer and the high-strength protective sleeve, the first shaping steel wire is positioned inside the insulating filler, the second shaping steel wire is positioned inside the steel wire layer, and the plasticity and the tensile strength of the cable are improved to a certain extent through the first shaping steel wire and the second shaping steel wire;
2. according to the invention, the two ends of the cable body are provided with the male plug-in head and the female plug-in head, the female plug-in head is provided with the insulating sleeve, the contact plate and the guide positioning pin, the male plug-in head is arranged to be the conductive male plug-in head, the contact plate is arranged to be the conductive contact plate, and the male plug-in head and the female plug-in head are fixed through the bolt pin joint.
Drawings
FIG. 1 is a schematic structural diagram of a fireproof low-smoke halogen-free cable according to the present invention;
FIG. 2 is a state diagram of the splicing of a male plug and a female plug of a fireproof low-smoke halogen-free cable according to the present invention;
FIG. 3 is a schematic structural diagram of a cable body of a fireproof low-smoke halogen-free cable according to the present invention;
fig. 4 is a schematic structural view of a high-strength protective sleeve of a fireproof low-smoke halogen-free cable according to the present invention.
In the figure: 1. a cable body; 2. inserting a male head; 3. inserting a female head; 4. a guide groove; 5. an insulating sleeve; 6. a contact plate; 7. a guide positioning pin; 8. a wire core; 9. a belting layer; 10. a shielding layer; 11. a thermal insulation layer; 12. an insulating layer; 13. a high strength protective sleeve; 14. a flame retardant layer; 15. a tensile layer; 16. an insulating liner; 17. an insulating filler; 18. a steel wire layer; 19. a waterproof layer; 20. a first shaped wire; 21. a second shaped wire; 22. a first through hole; 23. a second through hole; 24. a bolt; 25. a nut; 26. and a wear-resistant layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art from the specification.
The invention provides a fireproof low-smoke halogen-free cable shown in figures 1-4, which comprises a cable body 1, a plug male head 2 and a plug female head 3, and is characterized in that: the plug male head 2 and the plug female head 3 are respectively arranged at two ends of the cable body 1, and the plug male head 2 and the plug female head 3 are electrically connected with the cable body 1;
the male plug-in head 2 is a circular male plug-in head, a guide groove 4 is formed in the side wall of the male plug-in head 2, the male plug-in head 2 is a conductive male plug-in head, a contact plate 6 is a conductive contact plate 6, the male plug-in head 2 and the female plug-in head 3 are fixed through a bolt 24 in a pin joint mode, one end of the bolt 24 sequentially penetrates through a first through hole 22 and a second through hole 23 and is locked and fixed through a nut 25, and the bolt 24 is an insulating bolt formed by high-temperature pultrusion of glass fiber filaments in an epoxy resin impregnated matrix;
the plug female head 3 comprises an insulating sleeve 5, a contact plate 6 and a guide positioning pin 7, the insulating sleeve 5 is fixedly bonded on the outer wall of the cable body 1, the contact plate 6 and the guide positioning pin 7 are both positioned in the insulating sleeve 5, the guide positioning pin 7 and the contact plate 6 are integrally formed, the contact plate 6 is electrically connected with the cable body 1, the cable body 1 further comprises a first shaping steel wire 20 and a second shaping steel wire 21, the first shaping steel wire 20 is positioned in an insulating filler 17, the second shaping steel wire 21 is provided with four groups, the four groups of second shaping steel wires 21 are positioned in a steel wire layer 18, two groups of first through holes 22 are correspondingly formed in the outer wall of the insulating sleeve 5, and second through holes 23 corresponding to the first through holes 22 are formed in the side wall of the plug male head 2;
the cable body 1 comprises wire cores 8, a belting layer 9, a shielding layer 10 and a high-strength protective sleeve 13, wherein the wire cores 8 are provided with four groups, the outer walls of the wire cores 8 are respectively provided with a tensile layer 15 and an insulating lining 16, the insulating lining 16 is fixedly bonded on the outer side of the tensile layer 15, the four groups of wire cores 8 are positioned inside the belting layer 9, an insulating filler 17 is arranged inside the belting layer 9, the shielding layer 10 is fixedly bonded on the outer wall of the belting layer 9 through adhesive glue, the high-strength protective sleeve 13 is fixedly bonded on the outer wall of the shielding layer 10, and the insulating sleeve 5 is fixedly bonded on the outer wall of the high-strength protective sleeve 13 in a;
high strength protective sheath 13 includes insulating layer 11, insulating layer 12, wearing layer 26, fire-retardant layer 14, steel wire layer 18 and waterproof layer 19, wearing layer 26 sets up the outside at fire-retardant layer 14, waterproof layer 19 fixed adhesion is on fire-retardant layer 14's inner wall, steel wire layer 18 sets up between waterproof layer 19 and fire-retardant layer 14, insulating layer 12 bonds on the outer wall of shielding layer 10, and insulating layer 11 bonds on insulating layer 12's outer wall, wearing layer 26 sets up to aramid fiber wearing layer, fire-retardant layer 14 sets up to the fire-retardant layer of poly-p-phenylene terephthalamide, waterproof layer 19 sets up to the polyurethane waterproof layer.
The structure principle is as follows: through including the sinle silk 8 with cable body 1 setting, band layer 9, shielding layer 10 and high strength protective sheath 13, and be located insulating filler 17's inside with first moulding steel wire 20, and be located steel wire layer 18's inside with the moulding steel wire 21 of second, plasticity and tensile strength of this cable have improved to a certain extent through first moulding steel wire 20 and the moulding steel wire 21 of second, through being provided with public head 2 of pegging graft and the female head 3 of pegging graft at the both ends of cable body 1, and to set up the female head 3 of pegging graft including insulation support 5, contact plate 6 and guide pin 7, set up public head 2 of pegging graft into electrically conductive public head 2 of pegging graft, contact plate 6 sets up to electrically conductive, and it is fixed to pass through bolt 24 pin joints with public head 2 of pegging graft and the female head 3 of pegging graft, when the actual use, the concatenation convenient to use, and.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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.
Claims (8)
1. The utility model provides a fire prevention low smoke and zero halogen cable, includes cable body (1), public head (2) of pegging graft and female head (3) of pegging graft, its characterized in that: the plug male head (2) and the plug female head (3) are respectively arranged at two ends of the cable body (1), and the plug male head (2) and the plug female head (3) are electrically connected with the cable body (1);
the inserting male head (2) is a circular inserting male head, and a guide groove (4) is formed in the side wall of the inserting male head (2);
the plug-in female head (3) comprises an insulating sleeve (5), a contact plate (6) and a guide positioning pin (7), the insulating sleeve (5) is fixedly bonded on the outer wall of the cable body (1), the contact plate (6) and the guide positioning pin (7) are both located inside the insulating sleeve (5), the guide positioning pin (7) and the contact plate (6) are integrally formed, and the contact plate (6) is electrically connected with the cable body (1);
cable body (1) includes sinle silk (8), band layer (9), shielding layer (10) and high strength protective sheath (13), sinle silk (8) are provided with four groups, and are provided with tensile layer (15) and insulating lining (16) on the outer wall of sinle silk (8) respectively, insulating lining (16) fixed bonding in the outside of tensile layer (15), four groups sinle silk (8) are located band layer (9) inside, and the inside of band layer (9) is provided with insulating filler (17), shielding layer (10) are fixed through the adhesive glue and are glued on the outer wall of band layer (9), high strength protective sheath (13) are fixed to be glued on the outer wall of shielding layer (10), insulating sleeve (5) are sealed fixed to be glued on the outer wall of high strength protective sheath (13).
2. A fire-proof low smoke zero halogen cable according to claim 1, characterized in that: the high-strength protective sleeve (13) comprises a heat insulation layer (11), an insulation layer (12), a wear-resistant layer (26), a flame-retardant layer (14), a steel wire layer (18) and a waterproof layer (19), wherein the wear-resistant layer (26) is arranged on the outer side of the flame-retardant layer (14), the waterproof layer (19) is fixedly bonded on the inner wall of the flame-retardant layer (14), the steel wire layer (18) is arranged between the waterproof layer (19) and the flame-retardant layer (14), the insulation layer (12) is bonded on the outer wall of the shielding layer (10), and the heat insulation layer (11) is bonded on the outer wall of the insulation layer (12).
3. A fire-proof low smoke zero halogen cable according to claim 2, characterized in that: the cable body (1) further comprises first shaping steel wires (20) and second shaping steel wires (21), the first shaping steel wires (20) are located inside the insulating filler (17), the second shaping steel wires (21) are provided with four groups, and the four groups of the second shaping steel wires (21) are located inside the steel wire layer (18).
4. A fire-proof low smoke zero halogen cable according to claim 1, characterized in that: the wear-resistant layer (26) is an aramid wear-resistant layer, the flame-retardant layer (14) is a flame-retardant layer of poly (p-phenylene terephthalamide), and the waterproof layer (19) is a polyurethane waterproof layer.
5. A fire-proof low smoke zero halogen cable according to claim 1, characterized in that: the plug-in male head (2) is arranged to be a conductive plug-in male head, and the contact plate (6) is arranged to be a conductive contact plate (6).
6. A fire-proof low smoke zero halogen cable according to claim 1, characterized in that: two groups of first through holes (22) are correspondingly formed in the outer wall of the insulating sleeve (5), and second through holes (23) corresponding to the first through holes (22) are formed in the side wall of the plug male head (2).
7. A fire-proof low smoke zero halogen cable according to claim 6, characterized in that: male plug (2) and female head (3) of pegging graft are fixed through bolt (24) pin joint, the one end of bolt (24) passes first through-hole (22) and second through-hole (23) in proper order and is fixed through nut (25) locking.
8. A fire-proof low smoke zero halogen cable according to claim 7, characterized in that: the bolt (24) is an insulating bolt formed by high-temperature pultrusion of glass fiber yarns on an epoxy resin-impregnated matrix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010782314.7A CN111755157A (en) | 2020-08-06 | 2020-08-06 | Fireproof low-smoke halogen-free cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010782314.7A CN111755157A (en) | 2020-08-06 | 2020-08-06 | Fireproof low-smoke halogen-free cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111755157A true CN111755157A (en) | 2020-10-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010782314.7A Pending CN111755157A (en) | 2020-08-06 | 2020-08-06 | Fireproof low-smoke halogen-free cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111755157A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3855566A (en) * | 1971-09-03 | 1974-12-17 | Shell Oil Co | Hermaphroditic connector for seismic cables |
| US4657342A (en) * | 1983-09-27 | 1987-04-14 | Siemens Aktiengesellschaft | Flexible power cable with profiled core and support member |
| CN205751622U (en) * | 2016-05-17 | 2016-11-30 | 安徽南洋电缆有限公司 | A kind of rare earth aluminium alloy low-voltage cable |
| CN206059699U (en) * | 2016-08-18 | 2017-03-29 | 广州市力可欣电子有限公司 | A kind of automobile cable hermetically sealed connector |
| CN108447599A (en) * | 2018-03-26 | 2018-08-24 | 江苏通鼎光电科技有限公司 | A kind of tension twist resistant cable and its manufacturing method, application |
| CN208571083U (en) * | 2018-08-23 | 2019-03-01 | 深圳市威顺源精密电子有限公司 | A kind of double protection master-slave socket structures of connector |
| CN208955372U (en) * | 2018-09-19 | 2019-06-07 | 广州爱宇森照明科技有限公司 | A kind of signal wire buckle |
| CN209232462U (en) * | 2019-03-14 | 2019-08-09 | 远洋线缆有限公司 | A kind of steel wire tensile cable |
-
2020
- 2020-08-06 CN CN202010782314.7A patent/CN111755157A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3855566A (en) * | 1971-09-03 | 1974-12-17 | Shell Oil Co | Hermaphroditic connector for seismic cables |
| US4657342A (en) * | 1983-09-27 | 1987-04-14 | Siemens Aktiengesellschaft | Flexible power cable with profiled core and support member |
| CN205751622U (en) * | 2016-05-17 | 2016-11-30 | 安徽南洋电缆有限公司 | A kind of rare earth aluminium alloy low-voltage cable |
| CN206059699U (en) * | 2016-08-18 | 2017-03-29 | 广州市力可欣电子有限公司 | A kind of automobile cable hermetically sealed connector |
| CN108447599A (en) * | 2018-03-26 | 2018-08-24 | 江苏通鼎光电科技有限公司 | A kind of tension twist resistant cable and its manufacturing method, application |
| CN208571083U (en) * | 2018-08-23 | 2019-03-01 | 深圳市威顺源精密电子有限公司 | A kind of double protection master-slave socket structures of connector |
| CN208955372U (en) * | 2018-09-19 | 2019-06-07 | 广州爱宇森照明科技有限公司 | A kind of signal wire buckle |
| CN209232462U (en) * | 2019-03-14 | 2019-08-09 | 远洋线缆有限公司 | A kind of steel wire tensile cable |
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Application publication date: 20201009 |
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