CN217426435U

CN217426435U - Special cable for high-altitude intelligent monitoring

Info

Publication number: CN217426435U
Application number: CN202221479979.1U
Authority: CN
Inventors: 顾正扬; 吴云明; 王荣
Original assignee: Zhejiang Longying Photoelectric Technology Co ltd
Current assignee: Zhejiang Longying Photoelectric Technology Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2022-09-13
Anticipated expiration: 2032-06-14

Abstract

The utility model relates to a special cable for high-altitude intelligent monitoring, which comprises a cable group, wherein a power supply wire core, a video wire core and a control wire core are arranged in the cable group, a layer of detection optical fiber is wrapped outside the cable group, and a function group is arranged outside the detection optical fiber; the function group, function group innermost side are equipped with fire-retardant area, and fire-retardant outband side is equipped with the band, and the band outside is equipped with the insulating layer, and the insulating layer outside is equipped with the protective sheath, and whole special cable transportation is convenient, and the installation is simple, and flame retardant efficiency is good, still has the fire extinguishing effect, and compressive capacity is strong.

Description

Special cable for high-altitude intelligent monitoring

Technical Field

The utility model relates to a monitoring cable technical field especially relates to a special cable for high altitude intelligent monitoring.

Background

Some special cables are mostly in special environments such as high temperature, so that a power transmission line is rapidly aged due to overhigh environmental temperature, the service life of the cable is seriously shortened, electric equipment cannot normally run, the conventional cable cannot meet the special environment and has short service life and needs to be frequently replaced, optical fibers in the optical fiber cable have excellent electromagnetic interference resistance and low energy consumption, and the measurement of parameters such as local overheating, disturbance, partial discharge and the like of the cable can be realized through displacement change of light waves, but the optical fibers are fragile in texture and easy to break, so that the optical fibers are difficult to ensure not to be damaged when being injected into the cable;

notice No. CN201620912814.7 discloses a monitoring cable, through the video sinle silk of arranging at two liang of neighbours, control sinle silk and power supply sinle silk periphery suit waterproof layer and dust layer in proper order, make monitoring cable's waterproof dustproof performance reinforcing, especially in comparatively chilly area, through setting up the arch at the surface of waterproof layer, dust layer's internal surface sets up and protruding assorted recess, make moisture content and freezing thing can be convenient drop, thereby make monitoring cable's dustproof and waterproof grade improve, this monitoring cable has following problem: the matching of its arch and recess can make the place that sets up this structure comparatively weak, is extruded deformation very easily, especially in cold high altitude area, and secondly, the monitoring cable sets up outdoors, meets with the high temperature condition, and the waterproof layer can make inside temperature rise too fast, does not consider comprehensively.

SUMMERY OF THE UTILITY MODEL

The utility model aims at prior art's weak point, when producing the damage of inequality power in realizing the high altitude through the fire-retardant bringing that sets up, can place the electric spark for the very first time and spatter and cause bigger harm, set up the insulating layer, the anti layering of elasticity is solved the monitoring cable and is met with bad weather in the high altitude, and thermal-insulated heat preservation can also the technical problem of resistance to compression.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a special cable for high-altitude intelligent monitoring comprises a cable group, wherein a power supply wire core, a video wire core and a control wire core are arranged in the cable group, a layer of detection optical fiber is wrapped outside the cable group, and a function group is arranged outside the detection optical fiber;

the function group, function group innermost side are equipped with fire-retardant area, and fire-retardant outband side is equipped with the band, and the band outside is equipped with the insulating layer, and the insulating layer outside is equipped with the protective sheath.

As a preferred, fire-retardant area has six the same collector tubes including evenly distributed in the fire-retardant liquid layer, and the collector tube is square structure, and four sides of collector tube all are equipped with the airtight hole, and both ends are equipped with the sealing port, and the sealing port is the plastics material, fills with fire-retardant liquid in the collector tube.

Preferably, the volume of the fire-retardant liquid in the liquid collecting pipe is the same as the volume of the fire-retardant liquid layer except the liquid collecting pipe.

Preferably, the power supply wire core, the video wire core and the control wire core are wrapped by an insulating layer.

Preferably, a circle of uniformly distributed optical fibers is arranged in the detection optical fibers, and a circle of metal protective shell is arranged on the outer side of the detection optical fibers, wherein the metal protective shell is made of insulating metal.

Preferably, the heat insulation layer is filled with heat insulation materials.

Preferably, the flame-retardant belt is divided into an inner layer and an outer layer, the inner layer is filled with the flame-retardant material, an elastic anti-pressing strip is arranged between the inner layer and the outer layer, the elastic anti-pressing strip is made of semicircular rubber, and the arc bulge of the elastic anti-pressing strip faces outwards.

The utility model has the advantages that:

(1) the utility model discloses in through outmost setting up the insulating layer at the special type cable, wherein fill thermal insulation material, consider the particularity of special type cable operation, outmost setting up the inside cable optic fibre of protection that the insulating layer can be fine and not receive the influence of temperature, also can not make the control that the mistake appears in detecting optic fibre because of outside high temperature, thermal-insulated effectual, be fit for the adverse circumstances of high latitude.

(2) The utility model discloses in through being equipped with the airtight hole on the collector tube, the airtight hole enables the inside and outside pressure difference of collector tube, external pressure is high, internal pressure is low, flame retardant liquid can not flow in the installation like this, firmly press in the collector tube by outside air pressure, make the installation more convenient, then the seal is the plastics material, after having installed, the inside flame retardant liquid of seal of cutting open will flow out, flow into in the fire-retardant liquid layer, and the collector tube sets up square structure and also can have a fine resistance to compression effect, the fire-retardant liquid of the condition that the line short circuit appears and explodes on fire can carry out the effect of putting out a fire the very first time, factor of safety is high.

(3) The utility model discloses in advance to monitor with cable group through setting up detection optic fibre, detect optic fibre and be used for measuring the local overheat of cable conductor, the isoparametric is put in disturbance and office to realize real time monitoring, it is convenient simple, be equipped with one deck metal protection shell outside optic fibre moreover, and this metallic insulation nature is good, and the cable just so the electric power is chaotic after going wrong can not influence the transmission of optic fibre yet.

In conclusion, the device has the advantages of simple structure, effective heat insulation, flame retardance and fire extinguishment, and is particularly suitable for the technical field of monitoring cables.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic sectional view of the overall structure of the present invention.

Fig. 3 is a schematic view of the whole structure of the middle flame retardant belt of the present invention.

Fig. 4 is a schematic view of the overall structure of the middle detection optical fiber of the present invention.

Figure 5 is the utility model discloses the overall structure schematic diagram of well collector tube.

Detailed Description

The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the accompanying drawings.

Example one

As shown in fig. 1 to 5, the utility model provides a special cable for high-altitude intelligent monitoring, which comprises a cable group 1, wherein the cable group 1 is provided with a power supply wire core 11, a video wire core 12 and a control wire core 13, the outer side of the cable group 1 is wrapped with a layer of detection optical fiber 14, and the outer side of the detection optical fiber 14 is provided with a function group 2;

the function group 2, function group 2 is equipped with fire-retardant area 21 innermost, and the fire-retardant area 21 outside is equipped with band 22, and the band 22 outside is equipped with insulating layer 23, and the insulating layer 23 outside is equipped with protective sheath 24.

Further, as shown in fig. 3, the flame retardant belt 21 includes six identical liquid collecting pipes 212 uniformly distributed in the flame retardant liquid layer 211, the liquid collecting pipes 212 are of a square structure, and air-tight holes 213 are formed in four sides of the liquid collecting pipes 212, sealing ports 214 are formed in two ends of the liquid collecting pipes, the liquid collecting pipes 212 are made of plastic, the liquid collecting pipes 212 are filled with flame retardant liquid, the liquid collecting pipes 212 are of a square structure, the shape can well bear external pressure, the stressed area is large, the bearing pressure is stronger, the air-tight holes 213 are formed in such a manner that the flame retardant liquid cannot flow out during installation to interfere with other installation components, after the sealing ports 214 are opened, the internal pressure and the external pressure of the liquid collecting pipes 212 are consistent, the flame retardant liquid flows out from the air-tight holes 213, the principle of the air-tight holes 213 is that the tension and the atmospheric pressure of the flame retardant liquid act together to counteract each other when the sealing ports 214 are opened, and the liquid tension of the flame retardant liquid cannot support the gravity of the flame retardant liquid itself, the fire-retardant liquid flows out, and can be distributed in the fire-retardant liquid layer 211 to perform a fire-retardant and fire-extinguishing function.

Further, as shown in fig. 5, the volume of the fire retardant liquid in the liquid collecting tube 212 is the same as the volume of the remaining fire retardant liquid layer 211 except the liquid collecting tube 212, so that the fire retardant liquid in the liquid collecting tube 212 is uniformly distributed in the fire retardant liquid layer 211 along with the self gravity, the content of the fire retardant liquid is in the maximum state, and the fire extinguishing and retarding effects can be maximized.

Further, as shown in fig. 1, the power supply line core 11, the video line core 12 and the control line core 13 are all wrapped with a layer of insulating layer 101, and each group of the line cores are separated by the insulating layer 101, so that mutual interference is avoided in the working process, and short circuit is avoided, and the cable group 1 is located at the innermost side, so that the protection and detection effects are the best.

Further, as shown in fig. 4, a circle of uniformly distributed optical fibers 141 are arranged in the detection optical fibers 14, a circle of metal protective shell 142 is arranged on the outer side of the detection optical fibers 14, the metal protective shell 142 is made of metal with insulation property, considering the situation that the optical fibers 141 are fragile in texture and easy to break, the structural stability of the detection optical fibers 14 can be well protected by the metal protective shell 142 arranged on the outer side of the detection optical fibers 14, and the metal protective shell 142 is made of material with good insulation property, so that the cable group 11 can break down even if the cable group fails, the monitoring capability of the detection optical fibers 16 cannot be interfered, and transmission signals can be collected at the first time under the condition that the cable group 1 is overheated and the like, so that personnel can be arranged to make first-aid repair, and the method is more rapid and convenient.

Further, as shown in fig. 2, the heat insulating layer 23 is filled with heat insulating material, the heat insulating layer 23 is set up on the outermost layer to protect the internal components from being affected by external high temperature, so as to protect the normal operation of the internal components, and if the internal components generate high temperature, the optical fiber 141 can receive signals for transmission, thereby facilitating the maintenance of workers.

Furthermore, as shown in fig. 3, the flame retardant belt 21 is divided into an inner layer and an outer layer, the inner layer is filled with the flame retardant 216, the elastic pressure resistant strip 3 is arranged between the inner layer and the outer layer, the elastic pressure resistant strip 3 is made of semicircular rubber, and the arc bulge of the elastic pressure resistant strip 3 faces outward, the flame retardant 216 is arranged to provide a protection effect for the cable group 1, when the cable group 1 is in a short circuit condition, especially an electric spark condition, a flame retardant effect can be performed on the cable group to prevent loss expansion caused by short circuit, and the elastic pressure resistant strip 3 is arranged between the inner layer and the outer layer to face the arc of the elastic pressure resistant strip 3 outward, so that the cable in high altitude can bear too large external pressure when encountering severe weather, and can also achieve a pressure resistant effect, so that the service life of the whole special cable is longer, and the cable is arranged in the flame retardant belt 21 to play a role in pressure resistance, but also has the function of isolation, prevents the flame retardant liquid from entering the position of the detection optical fiber 14 and also has the function of protecting the optical fiber 141.

The working process is as follows: in the installation process, the cable group 1 and the function group 2 are sequentially installed from inside to outside, the cable group 1 comprises a power supply wire core 11, a video wire core 12 and a control wire core 13 which are used for transmitting video signals, control signals and electric signals, an insulating layer 101 is arranged on the outer side of each cable in the cable group 1, and therefore, the installation and detection are convenient for workers, and electric shock accidents cannot occur;

furthermore, the detection optical fiber 14 comprises an optical fiber 141, a circle of metal protection shell 142 is arranged outside the optical fiber 141, the metal protection shell 142 is made of metal with good insulating property, the detection optical fiber 14 is prevented from being damaged by accidents of cables in the cable group 1 in the monitoring process, the maintenance process can save more cost, the flame retardant belt 21 is divided into an inner layer structure and an outer layer structure, the inner side of the flame retardant belt is filled with a flame retardant 216, so that the flame retardant effect of the special cable is better, an elastic pressure resistant strip 3 is arranged at the joint of the inner layer structure and the outer layer structure, the elastic pressure resistant strip 3 is arranged at the outer side of the flame retardant 216 and mainly aims at the external pressure, when the special cable is extruded from the outside in the transportation and installation process, the components inside the elastic pressure resistant strip 3 can not be extruded to cause deformation, a buffer force can be formed, the transportation and transportation are more convenient, and severe weather can be encountered in high altitude, the cable can be more suitable for various environments, and the service life of the special cable is prolonged;

in addition, the flame-retardant liquid layer 5 exists in order that dangerous conditions such as overheating short circuit and the like can occur in the internal cable group 1, so that expansion is generated due to overlarge internal pressure, the flame-retardant liquid can act on the position where an accident occurs in the first time when the whole line is exploded and ignited, a fire extinguishing and flame retarding effect is achieved, the size of the scale where the accident occurs is reduced, and even the fire is directly extinguished;

it is worth saying that in the installation, airtight hole 213 on collector tube 212 is according to inside and outside pressure difference work, the condition that normal sealing port 214 is sealed, the combined action of the inside liquid tension of collector tube 212 and external atmospheric pressure can make fire-retardant liquid 212 can not flow out, only need open sealing port 214 when the installation finishes, just can make fire-retardant liquid in collector tube 212 flow out from airtight hole 213, distribute in fire-retardant liquid layer 211, realize the effect of fire-retardant fire extinguishing, then insulating layer 23 is filled with thermal insulation material in order to prevent that external high temperature from producing certain influence to its inside subassembly, protective sheath 24 is in order to protect whole special cable, also can protect workman's installation and can not appear the potential safety hazard.

In the description of the present invention, it is to be understood that the terms "front and back", "left and right", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or parts 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.

Of course, in this disclosure, those skilled in the art will understand that the terms "a" and "an" should be interpreted as "at least one" or "one or more," i.e., in one embodiment, a number of an element may be one, and in another embodiment, a number of the element may be plural, and the terms "a" and "an" should not be interpreted as limiting the number.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art in the technical suggestion of the present invention should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a special cable for high altitude intelligent monitoring which characterized in that: comprises that

The cable comprises a cable group (1), wherein a power supply wire core (11), a video wire core (12) and a control wire core (13) are arranged in the cable group (1), a layer of detection optical fiber (14) is wrapped on the outer side of the cable group (1), and a function group (2) is arranged on the outer side of the detection optical fiber (14);

the multifunctional fire-retardant belt comprises a functional group (2), wherein a fire-retardant belt (21) is arranged on the innermost side of the functional group (2), a belt (22) is arranged on the outer side of the fire-retardant belt (21), a heat-insulating layer (23) is arranged on the outer side of the belt (22), and a protective sleeve (24) is arranged on the outer side of the heat-insulating layer (23).

2. A special cable for high altitude intelligent monitoring, according to claim 1, characterized in that fire-retardant area (21) includes fire-retardant liquid layer (211) in which six identical collector tubes (212) are evenly distributed, collector tube (212) is square structure, and collector tube (212) all has airtight hole (213) in four sides, and both ends are equipped with sealing port (214), sealing port (214) are plastics material, collector tube (212) is filled with fire-retardant liquid.

3. A specialty cable for high altitude intelligent monitoring according to claim 2, wherein the volume of fire retardant liquid in the liquid collection tube (212) is the same as the volume of the fire retardant liquid layer (211) remaining after removal of the liquid collection tube (212).

4. A special cable for high-altitude intelligent monitoring as claimed in claim 1, wherein the power supply core (11), the video core (12) and the control core (13) are all covered by an insulating layer (101).

5. A special cable for high-altitude intelligent monitoring as claimed in claim 1, wherein a circle of uniformly distributed optical fibers (141) is arranged in the detection optical fibers (14), and a circle of metal protective shell (142) is arranged on the outer side of the detection optical fibers, and the metal protective shell (142) is made of insulating metal.

6. A specialty cable for intelligent surveillance of the high altitude according to claim 1, wherein the insulation layer (23) is filled with insulation material.

7. A special cable for high-altitude intelligent monitoring as claimed in claim 1, wherein the flame retardant belt (21) is divided into an inner layer and an outer layer, the inner layer is filled with flame retardant (216), an elastic compression resistant strip (3) is arranged between the inner layer and the outer layer, the elastic compression resistant strip (3) is made of semicircular rubber, and the arc protrusion of the elastic compression resistant strip (3) faces outwards.