CN215770653U - Halogen-free low-smoke flame-retardant power cable with cross-linked polyethylene insulating polyolefin sheath - Google Patents
Halogen-free low-smoke flame-retardant power cable with cross-linked polyethylene insulating polyolefin sheath Download PDFInfo
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- CN215770653U CN215770653U CN202121558845.4U CN202121558845U CN215770653U CN 215770653 U CN215770653 U CN 215770653U CN 202121558845 U CN202121558845 U CN 202121558845U CN 215770653 U CN215770653 U CN 215770653U
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Abstract
The utility model discloses a cross-linked polyethylene insulated polyolefin sheath halogen-free low-smoke flame-retardant power cable which comprises a cable body, an internal reinforcing component and a fire source monitoring component, wherein the internal reinforcing component is correspondingly embedded in the cable body, the fire source monitoring component is installed inside the cable body in a matching mode, the fire source monitoring component extends to the outside of the cable body, and the internal reinforcing component and the fire source monitoring component are arranged in a matching mode. When fire occurs inside the cable core, the monitoring wires are fused, so that the alarm, the connecting wires and the monitoring wires cannot form a loop to drive the alarm to alarm, workers can be reminded, further spread of the fire is avoided, the damage amount of the cable body is reduced, the cable body is effectively protected, the rat-proof performance of the metal net is enhanced under the combined action of the rat-proof agent layer and the metal net under the cooperation of the rat-proof part, and rats can be doubly blocked.
Description
Technical Field
The utility model relates to the related technical field of cables, in particular to a cross-linked polyethylene insulated polyolefin sheath halogen-free low-smoke flame-retardant power cable.
Background
The power cable is a cable product used for transmitting and distributing high-power electric energy in a trunk line of a power system, is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater, and is gradually increased in use amount along with the rapid development of the power industry in China.
The prior art has the following defects: the existing cable is poor in performances such as corrosion resistance and high temperature resistance, the application range of the cable is reduced, the cable cannot run synchronously in different working environments, the aging of the cable is accelerated, the existing cable does not have an internal fire source monitoring function, the internal fire source of the cable cannot be subjected to alarm processing, the loss of the cable is increased, the existing cable cannot perform multiple protection on mice, and the cable is very easy to be bitten by the mice.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a cross-linked polyethylene insulated polyolefin sheath halogen-free low-smoke flame-retardant power cable to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the halogen-free low-smoke flame-retardant power cable with the cross-linked polyethylene insulating polyolefin sheath comprises a cable body, an internal reinforcing assembly and a fire source monitoring assembly, wherein the internal reinforcing assembly is correspondingly embedded in the cable body, the fire source monitoring assembly is installed inside the cable body in a matching mode, the fire source monitoring assembly extends to the outside of the cable body, and the internal reinforcing assembly and the fire source monitoring assembly are arranged in a matching mode.
As a further preferred aspect of this technical scheme, the cable body includes the cable core, around band, wrinkle aluminium sheath, armor and oversheath, the cable core comprises multiunit sinle silk, inside packing, the sinle silk correspondence inlays establishes in the cable core, inside packing correspondence inlays establishes between cable core, sinle silk, just the sinle silk is installed in the sinle silk by multiunit wire transposition, establish at the cable core outside around the band interval cover, the wrinkle aluminium sheath corresponds the cover and establishes outside around the band, the armor is installed outside the wrinkle aluminium sheath, inside reinforcement component corresponds the cover and establishes at the armor outer surface, the oversheath corresponds the cover and establishes outside inside reinforcement component, the fire source monitoring component is installed on the oversheath surface, and the fire source monitoring component output extends to in the cable core.
As a further preferred option of the technical solution, an insulating sleeve is sleeved outside the wire core, and the insulating sleeve is specifically a crosslinked polyethylene insulating layer.
As a further preferred feature of the present technical solution, the inner wall of the outer sheath is correspondingly attached to the internal reinforcing component, and the outer sheath is specifically a polyolefin sheath.
As further preferred of this technical scheme, inside enhancement subassembly includes high temperature resistant layer, flame retardant coating, fire-retardant layer, waterproof layer and anticorrosive coating, the high temperature resistant layer is established at the armor surface through the viscose cover, the flame retardant coating is established at the high temperature resistant layer surface through the viscose cover, fire-retardant layer establishes at the flame retardant coating surface through the viscose cover, the waterproof layer is established at the flame retardant coating surface through the viscose cover, the anticorrosive coating is established at the waterproof layer surface through the viscose cover.
As a further preferred of this technical scheme, the fire source monitoring subassembly includes alarm, multiunit monitoring wire and two sets of connecting wire, and multiunit monitoring wire all establishes ties in the cable core, and the monitoring wire adopts aluminium antimony alloy material to make, the alarm passes through the support mounting at cable body upper surface, and is two sets of the connecting wire respectively with the end-to-end connection of monitoring wire, and the connecting wire communicates with input, the output of alarm respectively, the alarm passes through wire and external power supply intercommunication, and alarm and external alarm system electric connection.
As a further preferred aspect of the technical solution, the mouse-proof device further includes a mouse-proof part, the mouse-proof part is correspondingly embedded in the outer sheath, the mouse-proof part includes a metal mesh and a mouse-proof medicament layer, the metal mesh is correspondingly embedded in the top end of the outer sheath, and the mouse-proof medicament layer is embedded in the outer sheath and located below the metal mesh.
The utility model provides a cross-linked polyethylene insulated polyolefin sheath halogen-free low-smoke flame-retardant power cable which has the following beneficial effects:
(1) according to the utility model, the fire source monitoring assembly is arranged, and in a normal state, current passes through the monitoring lead, the connecting wire and the alarm to form a loop, so that monitoring can be carried out in the use of the cable body, the good use working condition of the cable is ensured, when fire occurs in the cable core, the monitoring lead is fused, the alarm, the connecting wire and the monitoring lead cannot form a loop, the alarm is driven to carry out alarm work, a worker can be reminded, the fire is prevented from further spreading, the damage amount of the cable body is reduced, and the cable body is effectively protected.
(2) According to the utility model, the rat-proof part is arranged, the metal net is embedded at the top end in the outer sheath, so that the hardness of the outer sheath can be enhanced, the rat bite is avoided, the barrier to the rat is realized, the rat-proof performance of the metal net is enhanced under the matching of the rat-proof medicament layer, the rat can be isolated in a double way, and the service performance of the cable body is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the cable body of the present invention;
FIG. 3 is a schematic view of the internal reinforcing component of the present invention;
FIG. 4 is a schematic view of the fire source monitoring assembly of the present invention;
FIG. 5 is a schematic view of the rat guard structure of the present invention.
In the figure: 1. a cable body; 2. an internal reinforcement assembly; 3. a fire source monitoring assembly; 4. a cable core; 5. wrapping a tape; 6. a corrugated aluminum sheath; 7. an armor layer; 8. an outer sheath; 9. a wire core; 10. filling the interior; 11. an insulating sleeve; 12. a high temperature resistant layer; 13. a fire barrier layer; 14. a flame retardant layer; 15. a waterproof layer; 16. an anticorrosive layer; 17. an alarm; 18. monitoring a lead; 19. a connecting wire; 20. a rat guard; 21. a metal mesh; 22. and a ratproof medicament layer.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 to 5, the present invention provides the technical solutions: zero halogen low fire-retardant power cable of fire-retardant power of cigarette of insulating polyolefin sheath of crosslinked polyethylene, including cable body 1, inside subassembly 2 and the fire source monitoring subassembly 3 of strengthening, inside subassembly 2 of strengthening is corresponding to inlay and is established in cable body 1, the matching of fire source monitoring subassembly 3 is installed inside cable body 1, and the fire source monitoring subassembly 3 extends to cable body 1 outside, and inside subassembly 2 and the matching of fire source monitoring subassembly 3 of strengthening set up.
In this embodiment, specifically: cable body 1 includes cable core 4, around band 5, wrinkle aluminium sheath 6, armor 7 and oversheath 8, cable core 4 comprises multiunit sinle silk 9, inside packing 10, sinle silk 9 corresponds to inlay establishes in cable core 4, inside packing 10 corresponds to inlay establishes between cable core 4, sinle silk 9, just sinle silk 9 is installed in sinle silk 9 by the transposition of multiunit wire, establish at cable core 4 outsidely around band 5 interval cover, wrinkle aluminium sheath 6 corresponds the cover and establishes at band 5 outsidely, armor 7 is installed at wrinkle aluminium sheath 6 outsidely, inside enhancement subassembly 2 corresponds the cover and establishes at armor 7 surface, oversheath 8 corresponds the cover and establishes in inside enhancement subassembly 2 outsidely, fire source monitoring subassembly 3 installs on oversheath 8 surfaces, and the 3 output of fire source monitoring subassembly extends to in cable core 4.
In this embodiment, specifically: the outside cover of sinle silk 9 is equipped with insulating cover 11, and insulating cover 11 specifically is crosslinked polyethylene insulating layer.
In this embodiment, specifically: the inner wall of the outer sheath 8 is correspondingly attached to the inner reinforcing component 2, and the outer sheath 8 is specifically a polyolefin sheath.
In this embodiment, specifically: the internal reinforcing component 2 comprises a high temperature resistant layer 12, a fireproof layer 13, a flame retardant layer 14, a waterproof layer 15 and an anticorrosive layer 16, wherein the high temperature resistant layer 12 is sleeved on the outer surface of the armor layer 7 through an adhesive, the fireproof layer 13 is sleeved on the outer surface of the high temperature resistant layer 12 through an adhesive, the flame retardant layer 14 is sleeved on the outer surface of the fireproof layer 13 through an adhesive, the waterproof layer 15 is sleeved on the outer surface of the flame retardant layer 14 through an adhesive, the anticorrosive layer 16 is sleeved on the outer surface of the waterproof layer 15 through an adhesive, the high temperature resistant effect of the cable body 1 can be effectively improved under the matching of the high temperature resistant layer 12, the internal reinforcing component can be stably adapted in a high temperature environment, the adaptation range of the cable body 1 is improved, the fireproof layer 13 can be used for separating an internal and external fire source, the fire source is prevented from further spreading, the damage of the cable body 1 is reduced, and the flame retardant performance of the cable body 1 can be enhanced under the matching of the flame retardant layer 14, utilize waterproof layer 15, the effectual waterproof performance who promotes cable body 1 avoids external water source to cause the corruption in getting into cable body 1, under the cooperation through anticorrosive coating 16, has further strengthened cable body 1's anticorrosive strength.
In this embodiment, specifically: the fire source monitoring assembly 3 comprises an alarm 17, a plurality of groups of monitoring wires 18 and two groups of connecting wires 19, the plurality of groups of monitoring wires 18 are all connected in series in the cable core 4, the monitoring wires 18 are made of aluminum antimony alloy, the alarm 17 is mounted on the upper surface of the cable body 1 through a support, the two groups of connecting wires 19 are respectively connected with the head end and the tail end of the monitoring wires 18, the connecting wires 19 are respectively communicated with the input end and the output end of the alarm 17, the alarm 17 is communicated with an external power supply through wires, the alarm 17 is electrically connected with an external alarm system, when fire happens inside the cable core 4, the monitoring wires 18 are fused, so that the alarm 17, the connecting wires 19 and the monitoring wires 18 cannot form a loop, the alarm 17 is driven to alarm, workers can be reminded, further spread of the fire is avoided, and the damage amount of the cable body 1 is reduced, effective protection of the cable body 1 is achieved.
In this embodiment, specifically: still include protection against rodents portion 20, protection against rodents portion 20 corresponds to inlay and establishes in overcoat 8, protection against rodents portion 20 includes metal mesh 21, protection against rodents medicament layer 22, metal mesh 21 corresponds to inlay establishes the top in overcoat 8, protection against rodents medicament layer 22 inlays to establish in overcoat 8 and is located metal mesh 21 below, and the top inlays to be equipped with metal mesh 21 in overcoat 8, can strengthen the hardness of overcoat 8, avoids the mouse to bite brokenly, has realized the separation to the mouse, and under protection against rodents medicament layer 22's cooperation, has realized strengthening the protection against rodents performance of metal mesh 21, can carry out dual separation to the mouse.
The working principle is that when in use, the high temperature resistant effect of the cable body 1 can be effectively improved through the internal reinforcing component 2 under the coordination of the high temperature resistant layer 12, the cable body 1 can be stably adapted in a high temperature environment, the application range of the cable body 1 is improved, the fire source can be prevented from further spreading by separating the internal and external fire sources through the fireproof layer 13, the damage of the cable body 1 is reduced, the flame retardant performance of the cable body 1 can be enhanced under the coordination of the flame retardant layer 14, the waterproof performance of the cable body 1 is effectively improved through the waterproof layer 15, the corrosion caused by the external water source entering the cable body 1 is avoided, the corrosion resistance of the cable body 1 is further enhanced through the coordination of the anticorrosive layer 16, the current forms a loop through the monitoring lead 18, the connecting wire 19 and the alarm 17 under the normal state through the arrangement of the fire source monitoring component 3, and can be monitored in the use of the cable body 1, the good operating mode of cable has been guaranteed, when cable core 4 is inside when taking place the intensity of a fire, monitoring wire 18 takes place the fusing, make alarm 17 and connecting wire 19, monitoring wire 18 can not form the return circuit, order about alarm 17 and carry out alarm work, can remind the staff, avoid the intensity of a fire to take place further stretching, the damage volume of cable body 1 has been reduced, the effective protection to cable body 1 has been realized, through being equipped with protection against rodents portion 20, the top inlays and is equipped with metal mesh 21 in outer sheath 8, can strengthen the hardness of outer sheath 8, avoid the mouse to bite brokenly, the separation to the mouse has been realized, and under protection against rodents medicament layer 22's cooperation, the protection against rodents performance to metal mesh 21 has been realized strengthening, can carry out dual separation to the mouse, cable body 1's performance has been promoted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a there is not steamed low fire-retardant power cable of cigarette of insulating polyolefin sheath of crosslinked polyethylene, a serial communication port, including cable body (1), inside subassembly (2) and the fire source monitoring subassembly (3) of strengthening, inside subassembly (2) of strengthening corresponds to inlay and establishes in cable body (1), the matching of fire source monitoring subassembly (3) is installed inside cable body (1), and fire source monitoring subassembly (3) extend to cable body (1) outside, and inside subassembly (2) and the matching of fire source monitoring subassembly (3) of strengthening set up.
2. The cross-linked polyethylene insulated polyolefin sheath halogen-free low-smoke flame-retardant power cable according to claim 1, characterized in that: the cable comprises a cable body (1) and is characterized in that the cable body comprises a cable core (4), a winding belt (5), a corrugated aluminum sheath (6), an armor layer (7) and an outer sheath (8), wherein the cable core (4) consists of a plurality of groups of cable cores (9) and internal fillers (10), the cable cores (9) are correspondingly embedded in the cable core (4), the internal fillers (10) are correspondingly embedded between the cable core (4) and the cable cores (9), the cable cores (9) are stranded by a plurality of groups of wires and are arranged in the cable cores (9), the winding belt (5) is sleeved outside the cable core (4) at intervals, the corrugated aluminum sheath (6) is correspondingly sleeved outside the winding belt (5), the armor layer (7) is arranged outside the corrugated aluminum sheath (6), the internal reinforcing component (2) is correspondingly sleeved on the outer surface of the armor layer (7), and the outer sheath (8) is correspondingly sleeved outside the internal reinforcing component (2), the fire source monitoring assembly (3) is arranged on the surface of the outer sheath (8), and the output end of the fire source monitoring assembly (3) extends into the cable core (4).
3. The cross-linked polyethylene insulated polyolefin sheath halogen-free low-smoke flame-retardant power cable according to claim 2, characterized in that: and an insulating sleeve (11) is sleeved outside the wire core (9), and the insulating sleeve (11) is specifically a crosslinked polyethylene insulating layer.
4. The cross-linked polyethylene insulated polyolefin sheath halogen-free low-smoke flame-retardant power cable according to claim 2, characterized in that: the inner wall of the outer sheath (8) is correspondingly attached to the internal reinforcing component (2), and the outer sheath (8) is a polyolefin sheath.
5. The cross-linked polyethylene insulated polyolefin sheath halogen-free low-smoke flame-retardant power cable according to claim 1, characterized in that: inside subassembly (2) of strengthening includes high temperature resistant layer (12), flame retardant coating (13), fire-retardant layer (14), waterproof layer (15) and anticorrosive coating (16), high temperature resistant layer (12) are established at armor (7) surface through the viscose cover, fire-retardant layer (13) are established at high temperature resistant layer (12) surface through the viscose cover, fire-retardant layer (14) are established at fire-retardant layer (13) surface through the viscose cover, waterproof layer (15) are established at fire-retardant layer (14) surface through the viscose cover, anticorrosive coating (16) are established at waterproof layer (15) surface through the viscose cover.
6. The cross-linked polyethylene insulated polyolefin sheath halogen-free low-smoke flame-retardant power cable according to claim 1, characterized in that: fire source monitoring subassembly (3) are including alarm (17), multiunit monitoring wire (18) and two sets of connecting wire (19), and multiunit monitoring wire (18) all establish ties in cable core (4), and monitoring wire (18) adopt aluminium antimony alloy material to make, alarm (17) are through support mounting at cable body (1) upper surface, and are two sets of connecting wire (19) respectively with the end-to-end connection of monitoring wire (18), and connecting wire (19) respectively with input, the output intercommunication of alarm (17), alarm (17) are through wire and external power supply intercommunication, and alarm (17) and external alarm system electric connection.
7. The cross-linked polyethylene insulated polyolefin sheath halogen-free low-smoke flame-retardant power cable according to claim 1, characterized in that: still include protection against rodents portion (20), protection against rodents portion (20) correspond to inlay and establish in overcoat (8), protection against rodents portion (20) include metal mesh (21), protection against rodents medicament layer (22), metal mesh (21) correspond to inlay and establish the top in overcoat (8), protection against rodents medicament layer (22) inlay and establish in overcoat (8) and are located metal mesh (21) below.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121558845.4U CN215770653U (en) | 2021-07-09 | 2021-07-09 | Halogen-free low-smoke flame-retardant power cable with cross-linked polyethylene insulating polyolefin sheath |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121558845.4U CN215770653U (en) | 2021-07-09 | 2021-07-09 | Halogen-free low-smoke flame-retardant power cable with cross-linked polyethylene insulating polyolefin sheath |
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| CN215770653U true CN215770653U (en) | 2022-02-08 |
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| CN202121558845.4U Active CN215770653U (en) | 2021-07-09 | 2021-07-09 | Halogen-free low-smoke flame-retardant power cable with cross-linked polyethylene insulating polyolefin sheath |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114582561A (en) * | 2022-04-08 | 2022-06-03 | 浙江昌泰电力电缆有限公司 | Direct-current cross-linked insulated cable for rail transit and preparation process thereof |
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2021
- 2021-07-09 CN CN202121558845.4U patent/CN215770653U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114582561A (en) * | 2022-04-08 | 2022-06-03 | 浙江昌泰电力电缆有限公司 | Direct-current cross-linked insulated cable for rail transit and preparation process thereof |
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