CN216311402U - Explosion-proof cable that security performance is high - Google Patents
Explosion-proof cable that security performance is high Download PDFInfo
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- CN216311402U CN216311402U CN202122854784.2U CN202122854784U CN216311402U CN 216311402 U CN216311402 U CN 216311402U CN 202122854784 U CN202122854784 U CN 202122854784U CN 216311402 U CN216311402 U CN 216311402U
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Abstract
The utility model discloses an explosion-proof cable with high safety performance, which further comprises: the cable comprises a wiring protective shell and a flame-retardant mechanism, wherein the cable body comprises a conductor core wire, the outer side of the conductor core wire is fixedly connected with an insulating layer, the outer side of the insulating layer is fixedly connected with a shielding layer, the outer side of the shielding layer is fixedly connected with a ceramic silica gel layer, the outer side of the ceramic silica gel layer is fixedly connected with a fireproof and fireproof material layer, the outer side of the fireproof and fireproof material layer is fixedly connected with a steel wire armor layer, the outer side of the steel wire armor layer is fixedly connected with an outer protection layer, the steel wire armor layer is wrapped on the outer layer of the cable to increase the overall strength of the cable and prevent the cable from being broken in pulling, the magnetic field generated when the shielding layer shields the conductor core wire is conductive is prevented from influencing the outside, and when the temperature of the cable is too high and the cable is burnt, the magnetic field is attached to the inner cable through the ceramic silica gel layer and is melted at high temperature, and the magnetic field covers the fire point to prevent the fire from spreading to the outer side of the cable.
Description
Technical Field
The utility model relates to the field of cables, in particular to an explosion-proof cable with high safety performance.
Background
The explosion-proof cable is a cable which is not enough to ignite surrounding flammable and explosive gases when a circuit is short-circuited or is subjected to electric spark, has the characteristics of low capacitance, difficulty in storing electric charge, good shielding performance and antistatic performance, and is mainly used for communication, monitoring, detection, alarm and control systems in the production process.
The prior art is not enough: the cable is pulled and extruded in the using process, the existing explosion-proof cable is not enough in strength and is easy to break, and circuit faults are caused; the cable use in-process joint department be the place that the accident rate is the highest, because there is the flaw in quality and the mounting process of cable intermediate head itself, the cable intermediate head in case the explosion, can produce huge energy in the twinkling of an eye, striking cable intermediate head's shock wave causes the accident easily, can ignite the cable body even, current equipment can't effectively protect joint department.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above drawbacks of the prior art, the present invention provides an explosion-proof cable with high safety performance, so as to solve the above problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an explosion-proof cable that security performance is high, includes the cable body, still includes:
wiring protective housing: the cable body is arranged on the outer side of the cable body and is movably connected with the cable body;
the flame-retardant mechanism comprises: the wiring protective shell is fixedly connected with the inner side of the wiring protective shell.
Further, the cable body comprises a conductor core wire, the outer side of the conductor core wire is fixedly connected with an insulating layer, the outer side of the insulating layer is fixedly connected with a shielding layer, the outer side of the shielding layer is fixedly connected with a ceramic silica gel layer, the outer side of the ceramic silica gel layer is fixedly connected with a fireproof and fireproof material layer, the outer side of the fireproof and fireproof material layer is fixedly connected with a steel wire armor layer, the outer side of the steel wire armor layer is fixedly connected with an outer protection layer, the steel wire armor layer is wrapped on the outer layer of the cable to increase the overall strength of the cable and prevent the cable from being broken in pulling, the magnetic field generated when the shielding layer shields the conductor core wire is conductive is prevented from influencing the outside, and when the temperature of the cable is too high and the cable is burnt, the magnetic field is attached to the inner cable through the ceramic silica gel layer and is melted at high temperature, and the magnetic field covers the fire point to prevent the fire from spreading to the outer side of the cable.
Further, the wiring protective housing includes two aluminum alloy housing, the wiring groove has been seted up at the aluminum alloy housing both ends, four fixed blocks of aluminum alloy housing's side fixedly connected with, the fixed orifices has been seted up to the side of fixed block, be equipped with fixing bolt in the fixed orifices, the mounting groove has been seted up to aluminum alloy housing's contact surface, be equipped with the sealing washer in the mounting groove, the outside and the wiring groove of outer protective layer closely laminate, it is airtight completely with cable connection department through two aluminum alloy housing, avoid cable connection department to cause the influence to external environment, reduce the liberation of accident.
Further, aluminum alloy housing is the aluminum alloy material, aluminum alloy housing's outside fixedly connected with heat insulation protection layer, avoids causing the influence to the external environment through the magnetic field that aluminum alloy housing's the isolated cable junction of aluminum alloy material produced to through the isolated inside temperature of heat insulation protection layer.
Further, the flame-retardant mechanism comprises a cooling flame retardant box, the side surface of the cooling flame retardant box is fixedly connected with the inner wall of the aluminum alloy shell, the top end of the cooling fire retardant box is provided with a liquid injection hole, the inner side of the liquid injection hole is connected with a threaded cover through internal threads, the inner wall of the bottom end of the cooling flame retardant box is fixedly connected with five springs, the top ends of the springs are fixedly connected with a sliding plate, the inner wall of the side surface of the cooling flame retardant box is provided with a chute, a baffle plate is arranged in the chute, the bottom end of the baffle plate is fixedly connected with the top end of the sliding plate, a first solvent spray hole is formed in the side surface of the cooling flame retardant box, a second solvent spray hole is formed in the side surface of the baffle plate, a proper amount of cooling flame retardant solvent is injected into the cooling flame retardant box, when the cable junction is in failure and is burnt at an overhigh temperature, the cooling flame-retardant solvent in the cooling flame-retardant box is heated and expanded and is sprayed out from the first solvent spray holes to be attached to the surface of the cable for cooling and flame retarding.
Furthermore, the inner side of the wiring groove is fixedly connected with a sealing gasket, the inner side of the sealing gasket is provided with an anti-slip groove, and the friction between the anti-slip groove on the inner side of the sealing gasket and the outer side of the outer protective layer is increased to avoid the falling of the cable.
Furthermore, two hinge rotating devices are fixedly connected to the outer sides of the aluminum alloy shells, and the two aluminum alloy shells are connected through the hinge rotating devices to facilitate connection and fixation of the wiring protection shell.
The utility model has the technical effects and advantages that:
1. according to the utility model, the strength of the cable is increased by arranging the steel wire armoring layer, the fireproof and fireproof material layer, the ceramic silica gel layer and the shielding layer, so that the influence of the cable on the external environment during operation is avoided, the overall strength of the cable is increased by the steel wire armoring layer, the magnetic field generated during the operation of shielding conductor core wires by the shielding layer is prevented from influencing the external environment of the cable, the generation of static electricity is reduced, when the fault temperature of the cable is too high, the ceramic silica gel layer is fused and attached to the surface of the cable to retard flame, and the safety of the cable is favorably improved.
2. According to the utility model, the aluminum alloy shell, the heat insulation protective layer, the fixing block, the fixing hole and the fixing bolt are arranged to carry out airtight protection on the wiring position of the cable, so that the influence on the external environment is prevented, the fixing bolt penetrates through the fixing block and is fixed by the matched nut, so that the connection position is in an airtight state, the aluminum alloy shell made of the aluminum alloy material is used for isolating a magnetic field, the heat insulation protective layer is used for isolating the temperature, the occurrence of accidents is reduced, and the safety is improved.
3. According to the utility model, the cable is provided with the cooling flame retardant box, the first solvent spray hole, the spring, the sliding plate, the baffle and the second solvent spray hole, the junction is subjected to stable fire extinguishing, when the temperature of the junction of the cable is overhigh, the cooling flame retardant solvent in the cooling flame retardant box is heated to expand, so that the sliding plate drives the baffle to move downwards, the second solvent spray hole and the first solvent spray hole coincide, and the solvent is sprayed out to cool and retard the flame attached to the surface of the cable, thereby being beneficial to avoiding accidents and improving the safety of equipment.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the wiring protection case of the present invention.
Fig. 3 is an exploded view of the flame retardant mechanism of the present invention.
Fig. 4 is a schematic structural section view of the flame retardant mechanism of the present invention.
Fig. 5 is a schematic structural diagram of a second embodiment of the present invention.
FIG. 6 is a schematic diagram of a third structure according to an embodiment of the present invention.
The reference signs are: 1. a cable body; 101. an outer protective layer; 102. a steel wire armor layer; 103. a layer of fire-resistant material; 104. a silica gel layer is ceramic; 105. a shielding layer; 106. an insulating layer; 107. a conductor core wire; 2. a wiring protective shell; 201. a heat insulating protective layer; 202. a fixed block; 203. fixing the bolt; 204. mounting grooves; 205. a fixing hole; 206. an aluminum alloy housing; 207. a wiring slot; 3. a flame retardant mechanism; 301. a threaded cap; 302. a first solvent jet orifice; 303. a cooling flame retardant box; 304. a liquid injection hole; 305. a spring; 306. a slide plate; 307. a baffle plate; 308. spraying a second solvent; 309. a chute; 4. a gasket; 5. hinge rotating device.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and the forms of the structures described in the following embodiments are merely examples, and the explosion-proof cable with high safety according to the present invention is not limited to the structures described in the following embodiments, and all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1 and 2, the utility model provides an explosion-proof cable with high safety performance, which comprises a cable body 1 and further comprises:
wiring protective housing 2: the cable is arranged on the outer side of the cable body 1 and is movably connected with the cable body 1;
and a flame-retardant mechanism 3: install in the inboard of wiring protective housing 2, and with wiring protective housing 2 fixed connection.
Referring to fig. 1, a cable body 1 includes a conductor core wire 107, an insulating layer 106 is fixedly connected to an outer side of the conductor core wire 107, a shielding layer 105 is fixedly connected to an outer side of the insulating layer 106, a ceramic silica gel layer 104 is fixedly connected to an outer side of the shielding layer 105, a fireproof and fire-resistant material layer 103 is fixedly connected to an outer side of the ceramic silica gel layer 104, a steel wire armor layer 102 is fixedly connected to an outer side of the fireproof and fire-resistant material layer 103, an outer protective layer 101 is fixedly connected to an outer side of the steel wire armor layer 102, the outer side of the conductor core wire 107 is wrapped by the insulating layer 106 to prevent electric leakage, the shielding layer 105 isolates the current of the conductor core wire 107 to prevent static electricity from being generated by the influence of the generated magnetic field on the external environment of the cable, the ceramic silica gel layer 104 is melted and attached to the surface of the shielding layer 105 to prevent fire from occurring when encountering high temperature, the steel wire armor layer 102 improves the strength of the cable to improve the compression resistance and the pulling resistance, the outer protective layer 101 protects the inner cable.
Referring to fig. 1 and 2, wiring protective housing 2 includes two aluminum alloy housing 206, wiring groove 207 has been seted up at aluminum alloy housing 206 both ends, four fixed blocks 202 of side fixedly connected with of aluminum alloy housing 206, fixed orifices 205 have been seted up to the side of fixed block 202, be equipped with fixing bolt 203 in the fixed orifices 205, mounting groove 204 has been seted up to aluminum alloy housing 206's contact surface, be equipped with the sealing washer in the mounting groove 204, the outside and the wiring groove 207 of outer protective layer 101 closely laminate, the cable of junction is put in wiring groove 207 between, align two aluminum alloy housing 206, pass fixing bolt 203 fixed orifices 205 and through fixation nut fixed with cable connection department seal protection.
Referring to fig. 2, the aluminum alloy housing 206 is made of an aluminum alloy material, and a heat insulation protective layer 201 is fixedly connected to the outer side of the aluminum alloy housing 206, so that the aluminum alloy housing 206 made of the aluminum alloy material shields the magnetic field generated by the cable.
Referring to fig. 3 and 4, the flame retardant mechanism 3 includes a cooling flame retardant box 303, the side surface of the cooling flame retardant box 303 is fixedly connected to the inner wall of the aluminum alloy casing 206, a liquid injection hole 304 is formed in the top end of the cooling flame retardant box 303, the inner side of the liquid injection hole 304 is connected to the threaded cover 301 through an internal thread, five springs 305 are fixedly connected to the inner wall of the bottom end of the cooling flame retardant box 303, a sliding plate 306 is fixedly connected to the top end of the spring 305, a sliding groove 309 is formed in the inner wall of the side surface of the cooling flame retardant box 303, a baffle 307 is arranged in the sliding groove 309, the bottom end of the baffle 307 is fixedly connected to the top end of the sliding plate 306, a first solvent spray hole 302 is formed in the side surface of the cooling flame retardant box 303, a second solvent spray hole 308 is formed in the side surface of the baffle 307, a proper amount of cooling flame retardant solvent is injected into the cooling flame retardant box 303, when the temperature of the cable connection is too high, the cooling flame retardant solvent in the cooling flame retardant box 303 is heated and expands to push the sliding plate 306 to move downwards so as to drive the baffle 307 to move downwards to move the second solvent spray hole 308 and the first solvent spray hole 308 and the first solvent The spraying holes 302 are overlapped with the solvent and sprayed out to be attached to the surface of the cable to cool and retard the temperature of the cable, so as to prevent the fire from happening, and after the temperature returns to normal, the spring 305 pushes the sliding plate 306 to move upwards to enable the baffle 307 to block the first solvent spraying holes 302 to cool and retard the temperature of the flame, so that the spraying of the flame retardant solvent is stopped.
The working principle of the first embodiment of the utility model is as follows: checking whether the equipment is intact, injecting a proper amount of cooling flame-retardant solvent into the cooling flame-retardant box 303 through the liquid injection hole 304 and sealing the cooling flame-retardant solvent by using the threaded cover 301, placing the cable connection part in the aluminum alloy shell 206, placing the cable in the wiring groove 207, aligning the two aluminum alloy shells 206, enabling the fixing bolt 203 to pass through the fixing hole 205 and fixing the fixing bolt by using a fixing nut, generating a magnetic field and heat when the cable runs, isolating the magnetic field generated by the cable running by the shielding layer 105 to reduce the generation of static electricity, melting the ceramic silica gel layer 104 by heating to be attached to the side surface of the shielding layer 105 to perform flame-retardant fire extinguishing when the temperature of the cable connection part is overhigh, heating and expanding the cooling flame-retardant solvent in the cooling flame-retardant box 303, increasing the pressure in the cooling flame-retardant box 303 to push the sliding plate 306 to move downwards to drive the baffle 307 to move downwards so that the second solvent spray holes 308 are overlapped with the first solvent spray holes 302, the temperature-reducing flame-retardant solvent in the temperature-reducing flame retardant box 303 is sprayed out from the first solvent spray holes 302 and attached to the surface of the cable connection part for temperature reduction and flame retardation, and when the temperature in the aluminum alloy shell 206 is recovered, the pressure recovery spring 305 in the temperature-reducing flame retardant box 303 pushes the sliding plate 306 to move upwards to block the first solvent spray holes 302, so that the temperature-reducing flame-retardant solvent stops spraying.
Example two:
referring to fig. 5, in a preferred embodiment, a sealing gasket 4 is fixedly connected to the inner side of the wire connecting groove 207, an anti-slip groove is formed in the inner side of the sealing gasket 4, the sealing gasket 4 is arranged on the side surface of the outer protective layer 101 and the inner side of the wire connecting groove 207, so that the cable is prevented from being damaged due to excessive pressure of the wire connecting groove 207, and the wire connecting protective shell 2 is prevented from falling off and being kept airtight due to the anti-slip groove in the sealing gasket 4, wherein the difference between the second embodiment and the first embodiment is that: in the second embodiment, the gasket 4 is provided between the outer side of the outer protective layer 101 and the wiring groove 207.
Example three:
referring to fig. 6, in a preferred embodiment, two hinge rotating devices 5 are fixedly connected to the outer side of the aluminum alloy housing 206, and the two aluminum alloy housings 206 are connected through the hinge rotating devices 5, so that the aluminum alloy housings can be conveniently fixed, the use of screws is reduced, and the working efficiency is improved, wherein the difference between the third embodiment and the first embodiment is as follows: the embodiment three connects two aluminum alloy housings 206 by a hinge turning device 5.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (7)
1. The utility model provides an explosion-proof cable that security performance is high, includes cable body (1), its characterized in that still includes:
wiring protective case (2): the cable is arranged on the outer side of the cable body (1) and is movably connected with the cable body (1);
flame retardant mechanism (3): the wiring protection shell is installed on the inner side of the wiring protection shell (2) and is fixedly connected with the wiring protection shell (2).
2. The explosion-proof cable with high safety performance as claimed in claim 1, wherein: the cable body (1) comprises a conductor core wire (107), an outer fixedly connected with insulating layer (106) of the conductor core wire (107), an outer fixedly connected with shielding layer (105) of the insulating layer (106), an outer fixedly connected with ceramic silica gel layer (104) of the shielding layer (105), an outer fixedly connected with fireproof and fireproof material layer (103) of the ceramic silica gel layer (104), an outer fixedly connected with steel wire armor layer (102) of the fireproof and fireproof material layer (103), and an outer protective layer (101) of the outer fixedly connected with steel wire armor layer (102).
3. The explosion-proof cable with high safety performance as claimed in claim 2, wherein: wiring protective housing (2) includes two aluminum alloy housing (206), wiring groove (207) have been seted up at aluminum alloy housing (206) both ends, four fixed block (202) of side fixedly connected with of aluminum alloy housing (206), fixed orifices (205) have been seted up to the side of fixed block (202), be equipped with fixing bolt (203) in fixed orifices (205), mounting groove (204) have been seted up to the contact surface of aluminum alloy housing (206), be equipped with the sealing washer in mounting groove (204), the outside and the wiring groove (207) of outer protective layer (101) closely laminate.
4. The explosion-proof cable with high safety performance as claimed in claim 3, wherein: the aluminum alloy shell (206) is made of aluminum alloy, and a heat insulation protective layer (201) is fixedly connected to the outer side of the aluminum alloy shell (206).
5. The explosion-proof cable with high safety performance as claimed in claim 1, wherein: the flame retardant mechanism (3) comprises a cooling flame retardant box (303), the side surface of the cooling flame retardant box (303) is fixedly connected with the inner wall of an aluminum alloy shell (206), the top end of the cooling flame retardant box (303) is provided with a liquid injection hole (304), the inner side of the liquid injection hole (304) is connected with a threaded cover (301) through an internal thread, the inner wall of the bottom end of the cooling flame retardant box (303) is fixedly connected with five springs (305), the top end of each spring (305) is fixedly connected with a sliding plate (306), the inner wall of the side surface of the cooling flame retardant box (303) is provided with a sliding groove (309), a baffle (307) is arranged in the sliding groove (309), the bottom end of the baffle (307) is fixedly connected with the top end of the sliding plate (306), the side surface of the cooling flame retardant box (303) is provided with a first solvent injection hole (302), and the side surface of the baffle (307) is provided with a second solvent injection hole (308), and a proper amount of cooling flame-retardant solvent is injected into the cooling flame-retardant box (303).
6. The explosion-proof cable with high safety performance as claimed in claim 3, wherein: the inner side of the wiring groove (207) is fixedly connected with a sealing gasket (4), and the inner side of the sealing gasket (4) is provided with an anti-skidding groove.
7. The explosion-proof cable with high safety performance as claimed in claim 3, wherein: and the outer side of the aluminum alloy shell (206) is fixedly connected with two hinge rotating devices (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122854784.2U CN216311402U (en) | 2021-11-22 | 2021-11-22 | Explosion-proof cable that security performance is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122854784.2U CN216311402U (en) | 2021-11-22 | 2021-11-22 | Explosion-proof cable that security performance is high |
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| Publication Number | Publication Date |
|---|---|
| CN216311402U true CN216311402U (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122854784.2U Active CN216311402U (en) | 2021-11-22 | 2021-11-22 | Explosion-proof cable that security performance is high |
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| Country | Link |
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| CN (1) | CN216311402U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115691892A (en) * | 2022-11-07 | 2023-02-03 | 浙江立洲线缆股份有限公司 | Fireproof flame-retardant cable and preparation method thereof |
| CN117410023A (en) * | 2023-11-09 | 2024-01-16 | 北京城岳科技有限公司 | Explosion-proof cable |
-
2021
- 2021-11-22 CN CN202122854784.2U patent/CN216311402U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115691892A (en) * | 2022-11-07 | 2023-02-03 | 浙江立洲线缆股份有限公司 | Fireproof flame-retardant cable and preparation method thereof |
| CN117410023A (en) * | 2023-11-09 | 2024-01-16 | 北京城岳科技有限公司 | Explosion-proof cable |
| CN117410023B (en) * | 2023-11-09 | 2024-04-26 | 济南马世基智能环保科技有限公司 | Explosion-proof cable |
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