CN113972031A - Explosion-proof cable suitable for high-voltage environment - Google Patents
Explosion-proof cable suitable for high-voltage environment Download PDFInfo
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- CN113972031A CN113972031A CN202111226757.9A CN202111226757A CN113972031A CN 113972031 A CN113972031 A CN 113972031A CN 202111226757 A CN202111226757 A CN 202111226757A CN 113972031 A CN113972031 A CN 113972031A
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- fixedly connected
- liquid storage
- storage shell
- hole
- rubber sleeve
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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
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
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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
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/428—Heat conduction
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Electrostatic Spraying Apparatus (AREA)
Abstract
The invention discloses an explosion-proof cable suitable for a high-voltage environment, which comprises a rubber sleeve wrapped on a cable core, wherein a through hole is formed in the rubber sleeve, a liquid storage shell is fixedly connected with the rubber sleeve through the through hole, a flame retardant and an electrostatic elimination agent are filled in the liquid storage shell, one end, close to the cable core, of the liquid storage shell is fixedly connected with an arc-shaped concave plate, one end, far away from the arc-shaped concave plate, of a memory alloy rod is fixedly connected with a piston plate, the surface of the piston plate is in sliding connection with the inner wall of the liquid storage shell, and the surface of the piston plate is provided with a through hole and is fixedly connected with a one-way valve I through the through hole. According to the invention, electric power accidents can be caused by aging and self abrasion of the cable and reduction of the insulating property of the insulating layer caused by temperature rise of the cable in the using process, or the cable is exploded due to concentrated contact of static electricity accumulated on the surface of the cable and combustible gas or substances in the air.
Description
Technical Field
The invention relates to the technical field of explosion-proof cable equipment, in particular to an explosion-proof cable suitable for a high-voltage environment.
Background
At present, in a mine or an oil collection working environment, the requirement on a cable for transmitting high-voltage power is very high;
the internal short circuit and the electric leakage of the cable can also cause the explosion of the cable;
the aging of the cable, the abrasion of the cable and the reduction of the insulating property of the insulating layer caused by the temperature rise of the cable in the using process can cause electric accidents, or the static electricity accumulated on the surface of the cable is intensively contacted with combustible gas or substances in the air to cause the explosion of the cable, thereby causing the explosion of the cable.
Therefore, an explosion-proof cable in a high-voltage environment is provided.
Disclosure of Invention
The invention aims to provide an explosion-proof cable suitable for a high-voltage environment, which has the advantages that the flame retardant and the static eliminating agent are automatically led out in an adaptive manner according to the temperature change of the cable, the led flame retardant and the led static eliminating agent can be fully coated in a section with the temperature change, and the problems in the background art are solved.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an explosion-proof cable suitable for high pressure environment, includes the rubber sleeve of parcel on the cable core, set up the through-hole on the rubber sleeve and through this through-hole fixedly connected with stock solution shell, fire retardant and static elimination agent are equipped with in the stock solution shell.
An arc-shaped concave plate is fixedly connected to one end, close to the cable core, of the liquid storage shell, an axially telescopic memory alloy rod is fixedly connected to the inner wall of the liquid storage shell, a piston plate is fixedly connected to one end, far away from the arc-shaped concave plate, of the memory alloy rod, the surface of the piston plate is in sliding connection with the inner wall of the liquid storage shell, a through hole is formed in the surface of the piston plate, a one-way valve I is fixedly connected with the through hole, a partition plate is fixedly connected to the inner wall, far away from one end of the arc-shaped concave plate, of the liquid storage shell, a through hole is formed in the surface of the partition plate, a one-way valve II is fixedly connected with the through hole, a liquid guide hole for spraying liquid is formed in the surface, close to the top, of the liquid storage shell, a through hole is formed in the surface, close to the arc-shaped concave plate, of the liquid storage shell, a liquid inlet pipe is wrapped in a rubber sleeve, and one end, far away from the liquid storage shell, of the liquid inlet pipe is communicated with an external liquid source, and the piston plate is provided with an auxiliary device for uniformly coating the flame retardant and the static electricity eliminating agent on the outer contour of the rubber sleeve.
Preferably, the auxiliary device comprises a transmission rod fixed on the piston plate and facing one side of the arc-shaped concave plate, one end of the transmission rod, away from the piston plate, is fixedly connected with an extrusion block, a placing groove is formed in the inner wall of the liquid storage shell, a switch assembly is fixedly connected with the inner wall of the placing groove, an installation cavity is formed in the rubber sleeve, an adsorption assembly is fixedly connected with the installation cavity, the adsorption assembly is electrically connected with the switch assembly, and an coating device matched with the adsorption assembly is axially and slidably connected to the arc-shaped profile of the rubber sleeve.
Preferably, the switch assembly is composed of a plurality of switch units which are linearly arranged, each switch unit is an independent pressure-sensitive switch, and the switch units are powered by an external power supply.
Preferably, the adsorption assembly is composed of a plurality of electromagnet units which are axially and linearly arranged in the installation cavity, and the electromagnet units correspond to the switch units one by one and are electrically connected with each other.
Preferably, the coating device comprises a rubber ring, the inner wall of the rubber ring is fixedly connected with a sponge pad, the inner wall of the sponge pad is connected with the surface of the rubber sleeve in a sliding manner, and one side of the rubber ring, which is close to the liquid storage shell, is fixedly connected with a metal ring matched with the adsorption component.
Preferably, the outlet on the liquid guide hole faces the coating device, and the inner wall of the liquid guide hole is fixedly connected with a filter screen.
Preferably, a waterproof film is arranged on one side of the switch assembly close to the extrusion block, and the waterproof film is made of polyurethane as a main material.
Preferably, the number of the liquid storage shells is four, and the four liquid storage shells are uniformly distributed on the rubber sleeve.
Compared with the prior art, the invention has the following beneficial effects: the invention carries out insulation protection on the wrapped cable core through the rubber sleeve;
once the temperature in the rubber sleeve rises suddenly due to the problems of short circuit and the like of the cable core, the temperature on the memory alloy rod rises through the heat conduction of the arc-shaped concave plate and the liquid storage shell, the memory alloy rod can change and increase under the influence of the temperature, and the axial increase on the memory alloy rod can drive the piston plate and the check valve I to move towards the partition plate in the liquid storage shell.
The hydraulic pressure in the space B in the liquid storage shell is increased, and the liquid in a high-pressure state can be ejected through the second check valve and the liquid guide hole finally. The flame retardant and static removing agent is sprayed on the outer contour of the rubber sleeve to realize the flame retardant and static removing effects.
Through the setting of auxiliary device, can realize fire retardant and the even smearing of static elimination agent on the rubber sleeve.
Through the cooperation use between the above-mentioned structure, solved in the in-service use, because the cable conductor ageing, the wearing and tearing of self and the cable conductor make the insulating properties of insulating layer descend and all can cause electric power accident because of the temperature rise in the use, or the static that accumulates on the cable surface leads to the cable explosion and leads to the cable conductor explosion problem with combustible gas or the material concentration contact in the air.
Drawings
FIG. 1 is a perspective view of the structure of the present invention;
FIG. 2 is a front cross-sectional view of a fluid reservoir housing of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 2;
FIG. 4 is an enlarged view of the switch unit of the present invention;
FIG. 5 is a front sectional view of the rubber ring of the present invention
FIG. 6 is an enlarged view of an electromagnet unit according to the present invention
FIG. 7 is a perspective view of a drainage hole of the present invention.
In the figure: 1. a rubber sleeve; 2. a cable core; 3. a liquid storage shell; 4. an arc-shaped concave plate; 5. a memory alloy rod; 6. a piston plate; 7. a one-way valve I; 8. a partition plate; 9. a second one-way valve; 10. a drain hole; 11. a liquid inlet pipe; 12. a transmission rod; 13. extruding the block; 14. a placement groove; 15. a switch assembly; 151. a switch unit; 16. an adsorption component; 161. an electromagnet unit; 17. a coating device; 18. a rubber ring; 19. a sponge cushion; 20. a metal ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
the invention provides a technical scheme that: an explosion-proof cable suitable for a high-voltage environment comprises a rubber sleeve 1 wrapped on a cable core 2, wherein the cable core 2 is subjected to insulation sealing protection through the rubber sleeve 1; the cable core 2 realizes the transmission of high-voltage current;
the rubber sleeve 1 is provided with a through hole and is fixedly connected with a liquid storage shell 3 through the through hole, and a flame retardant and an electrostatic elimination agent are arranged in the liquid storage shell 3.
The one end fixedly connected with arc concave plate 4 that is close to cable core 2 on the liquid storage shell 3, arc concave plate 4 are the metal heat-conducting plate, and with the insulating separation between the cable core 2, but the memory alloy pole 5 that the inner wall fixedly connected with axial of liquid storage shell 3 is flexible, and the material of memory alloy pole 5 is titanium-nickel alloy, and the model is: TiNi-01, phase transition temperature: 20-40 ℃.
The heat conduction can be accelerated through the arc-shaped concave plate 4, so that the memory alloy rod 5 can be rapidly contracted and changed, one end of the memory alloy rod 5, which is far away from the arc-shaped concave plate 4, is fixedly connected with a piston plate 6, the surface of the piston plate 6 is in sliding connection with the inner wall of the liquid storage shell 3, the surface of the piston plate 6 is provided with a through hole and is fixedly connected with a one-way valve I7 through the through hole, the inner wall of the liquid storage shell 3, which is far away from one end of the arc-shaped concave plate 4, is fixedly connected with a partition plate 8, the surface of the partition plate 8 is provided with a through hole and is fixedly connected with a one-way valve II 9 through the through hole, the surface of the liquid storage shell 3, which is close to the top, is provided with a liquid guide hole 10 for spraying liquid, in the axial expansion and contraction change process of the memory alloy rod 5, the flame retardant and the static eliminating agent in the liquid inlet pipe 11 can enter the upper space of the liquid storage shell 3 through the one-way valve I7, and finally pass through the one-way valve II 9 and the liquid guide hole 10, realize the ejection of the flame retardant and the static electricity eliminating agent. The process is mainly realized by hydraulic pressure change and the matching of the first check valve 7 and the second check valve 9.
A through hole is formed in the surface, close to the arc-shaped concave plate 4, of the liquid storage shell 3, a liquid inlet pipe 11 is fixedly connected with the through hole, and in the liquid storage shell 3, a mixed liquid of a flame retardant and an electrostatic elimination agent is introduced into the liquid storage shell 3 through the liquid inlet pipe 11; the liquid inlet pipe 11 is wrapped in the rubber sleeve 1, one end, far away from the liquid storage shell 3, of the liquid inlet pipe 11 is communicated with an external liquid source, and an auxiliary device for uniformly smearing the flame retardant and the static eliminating agent on the outer contour of the rubber sleeve 1 is arranged on the piston plate 6.
Further, auxiliary device is including fixing at piston plate 6 and the transfer line 12 towards arc notch board 4 one side, keep away from the one end fixedly connected with extrusion piece 13 of piston plate 6 on the transfer line 12, standing groove 14 has been seted up to the inner wall of liquid storage shell 3, the inner wall fixedly connected with switch module 15 of standing groove 14, the installation cavity has been seted up in rubber sleeve 1 and through this installation cavity fixedly connected with adsorption component 16, adsorption component 16 and switch module 15 electric connection, axial sliding connection has and adsorption component 16 complex coating device 17 on the arc profile of rubber sleeve 1.
Referring to fig. 3, in use, the memory alloy rod 5 changes in axial expansion and contraction due to temperature changes, so that the piston plate 6 can carry the transmission rod 12 in the liquid storage shell 3 to perform synchronous movement.
The extrusion block 13 is carried on the switch assembly 15 by the transmission rod 12 to move, so that the switch assembly 15 is contacted and extruded;
the switch component 15 is extruded to enable the corresponding position on the adsorption component 16 to be connected with a power supply and generate attraction to the coating device 17, so that the whole coating device 17 can axially move on the adsorption component 16, the flame retardant and the static eliminating agent sprayed on the arc-shaped outer contour of the rubber sleeve 1 can be uniformly coated, and better flame-retardant and static-eliminating prevention effects are achieved.
Further, the switch assembly 15 is formed by a plurality of switch units 151 arranged linearly, and each switch unit 151 is an independent voltage-sensitive switch and is powered by an external power supply.
Refer to fig. 4.
The movement of the pressing block 13 is carried along by the transmission rod 12, so that the pressing block 13 can contact with the switch unit 151 at different positions and generate pressing, and the switch unit 151 at different positions is powered on.
Further, the adsorption assembly 16 is composed of a plurality of electromagnet units 161 axially and linearly arranged in the mounting cavity, and the electromagnet units 161 are in one-to-one correspondence with and electrically connected to the switch units 151.
Referring to fig. 6, after the switch units 151 corresponding to the electromagnet units 161 are pressed, the electromagnet units 161 are synchronously powered on, and after the electromagnet units 161 are powered on, an attractive force is generated on the coating device 17, so that the whole coating device 17 is attracted to axially slide on the outer contour of the rubber sleeve 1, and the movement of the extrusion block 13 on the switch units 151 is linear, so that the attractive force on the electromagnet units 161 is linearly generated according to the linear direction, and the whole coating device 17 can smoothly axially slide on the rubber sleeve 1 through linear movement.
Further, coating device 17 includes rubber ring 18, and the inner wall fixedly connected with foam-rubber cushion 19 of rubber ring 18, the inner wall of foam-rubber cushion 19 and the surperficial sliding connection of rubber sleeve 1, one side fixedly connected with that is close to liquid storage shell 3 on the rubber ring 18 and adsorb subassembly 16 complex becket 20.
Referring to fig. 5, the metal ring 20 is attracted by the electromagnet unit 161, so that the metal ring 20 smoothly carries the rubber ring 18 and the foam rubber 19 to perform axial movement on the arc-shaped contour of the rubber sleeve 1, and the flame retardant and the static electricity eliminating agent sprayed on the arc-shaped contour of the rubber sleeve 1 are uniformly coated.
Further, an outlet on the liquid guiding hole 10 faces the coating device 17, and a filter screen is fixedly connected to the inner wall of the liquid guiding hole 10.
Referring to fig. 1, the coating device 17 is sprayed on the liquid guide hole 10, the piston plate 6 drives the transmission rod 12 to synchronously lift, the switch unit 151 on the switch assembly 15 is in contact extrusion with the lifting process of the transmission rod 12 through the extrusion block 13, the switch assembly 15 is extruded to enable the corresponding position on the adsorption assembly 16 to be powered on and generate attraction force to the coating device 17, the coating device 17 can axially move on the adsorption assembly 16 as a whole, so that the flame retardant and the static electricity eliminating agent sprayed on the arc-shaped outer contour of the rubber sleeve 1 can be uniformly coated, and better flame retardant and static electricity removing prevention effects are achieved.
So that the flame retardant and the static eliminating agent can be impacted on the coating device 17 and then slid down on the rubber sleeve 1, and then the flame retardant and the static eliminating agent are uniformly coated on the rubber sleeve 1 by the coating device 17 moving on the rubber sleeve 1.
Further, a waterproof film is disposed on the switch assembly 15 on a side close to the extrusion block 13, and the waterproof film is made of polyurethane as a main material.
Referring to fig. 4, by the arrangement of the waterproof film, the switch assembly 15 can be isolated from the flame retardant and the static electricity eliminating agent in the liquid storage shell 3, so that the service life of the switch assembly 15 is prolonged.
Example two: the same as the first embodiment, further, the number of the liquid storage shells 3 is four, and the four liquid storage shells 3 are uniformly distributed on the rubber sleeve 1, and the four liquid storage shells 3 correspond to the four adsorption components 16, so that the stress of the metal ring 20 is more balanced, and the metal ring 20 slides on the rubber sleeve 1 more smoothly.
The working principle of the first embodiment in the scheme is as follows: when the explosion-proof cable suitable for the high-voltage environment is used, the cable core 2 is subjected to insulation sealing protection through the rubber sleeve 1; the cable core 2 realizes the transmission of high-voltage current;
in the liquid storage shell 3, introducing a mixed liquid of a flame retardant and a static electricity eliminating agent into the liquid storage shell 3 through a liquid inlet pipe 11; the heat conduction can be accelerated through the arc-shaped concave plate 4, so that the memory alloy rod 5 can be quickly contracted and changed;
in the axial telescopic change process of the memory alloy rod 5, the flame retardant and the static electricity eliminating agent in the liquid inlet pipe 11 enter the upper space of the liquid storage shell 3 in the figure 3 through the one-way valve I7, and finally the flame retardant and the static electricity eliminating agent are sprayed out through the one-way valve II 9 and the liquid guide hole 10. The process is mainly realized by hydraulic pressure change and the matching of the first check valve 7 and the second check valve 9.
The piston plate 6 drives the transmission rod 12 to synchronously lift, the switch unit 151 on the switch component 15 is in contact extrusion along with the lifting process of the transmission rod 12 through the extrusion block 13, the switch component 15 is extruded to enable the corresponding position on the adsorption component 16 to be powered on and generate attraction to the coating device 17, the whole coating device 17 can axially move on the adsorption component 16, the flame retardant and the static eliminating agent sprayed on the arc-shaped outer contour of the rubber sleeve 1 can be uniformly coated, and the better flame-retardant and static-removing prevention effects are achieved.
The movement of the pressing block 13 is carried along by the transmission rod 12, so that the pressing block 13 can contact with the switch unit 151 at different positions and generate pressing, and the switch unit 151 at different positions is powered on. Referring to fig. 6, after the switch units 151 corresponding to the electromagnet units 161 are pressed, the electromagnet units 161 are synchronously powered on, and after the electromagnet units 161 are powered on, an attractive force is generated on the coating device 17, so that the whole coating device 17 is attracted to axially slide on the outer contour of the rubber sleeve 1, and the movement of the extrusion block 13 on the switch units 151 is linear, so that the attractive force on the electromagnet units 161 is linearly generated according to the linear direction, and the whole coating device 17 can smoothly axially slide on the rubber sleeve 1 through linear movement.
Referring to fig. 5, the metal ring 20 is attracted by the electromagnet unit 161, so that the metal ring 20 smoothly carries the rubber ring 18 and the foam rubber 19 to perform axial movement on the arc-shaped contour of the rubber sleeve 1, and the flame retardant and the static electricity eliminating agent sprayed on the arc-shaped contour of the rubber sleeve 1 are uniformly coated.
In this scheme, stock solution shell 3 that rubber sleeve 1 wrapped up is only one of them part, and at the axial extending direction department of rubber sleeve 1, can be according to the user demand of reality and the settlement of use scene, can freely increase to the quantity of stock solution shell 3.
Through the cooperation use between the above-mentioned structure, solved in the in-service use, because the cable conductor ageing, the wearing and tearing of self and the cable conductor make the insulating properties of insulating layer descend and all can cause electric power accident because of the temperature rise in the use, or the static that accumulates on the cable surface leads to the cable explosion and leads to the cable conductor explosion problem with combustible gas or the material concentration contact in the air.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an explosion-proof cable suitable for high-voltage environment which characterized in that: the cable comprises a rubber sleeve (1) wrapped on a cable core (2), wherein a through hole is formed in the rubber sleeve (1) and is fixedly connected with a liquid storage shell (3) through the through hole, and a flame retardant and an electrostatic eliminating agent are filled in the liquid storage shell (3);
an arc-shaped concave plate (4) is fixedly connected to one end, close to the cable core (2), of the liquid storage shell (3), a memory alloy rod (5) capable of axially stretching is fixedly connected to the inner wall of the liquid storage shell (3), a piston plate (6) is fixedly connected to one end, far away from the arc-shaped concave plate (4), of the memory alloy rod (5), the surface of the piston plate (6) is in sliding connection with the inner wall of the liquid storage shell (3), a through hole is formed in the surface of the piston plate (6) and is fixedly connected with a one-way valve I (7) through the through hole, a partition plate (8) is fixedly connected to the inner wall, far away from one end of the arc-shaped concave plate (4), of the liquid storage shell (3), a through hole is formed in the surface of the partition plate (8) and is fixedly connected with a one-way valve II (9) through the through hole, a liquid guide hole (10) for spraying liquid is formed in the surface, close to the top, of the liquid storage shell (3), the surface of the liquid storage shell (3) close to the arc-shaped concave plate (4) is provided with a through hole, the liquid storage shell is fixedly connected with a liquid inlet pipe (11) through the through hole, the liquid inlet pipe (11) is wrapped in the rubber sleeve (1), one end of the liquid inlet pipe (11), which is far away from the liquid storage shell (3), is communicated with an external liquid source, and an auxiliary device for uniformly coating the flame retardant and the static eliminating agent on the outer contour of the rubber sleeve (1) is arranged on the piston plate (6).
2. The explosion-proof cable suitable for high-voltage environment according to claim 1, wherein: auxiliary device is including fixing transfer line (12) in piston plate (6) and towards arc concave plate (4) one side, keep away from one end fixedly connected with extrusion piece (13) of piston plate (6) on transfer line (12), standing groove (14) have been seted up to the inner wall of liquid storage shell (3), the inner wall fixedly connected with switch module (15) of standing groove (14), set up the installation cavity in rubber sleeve (1) and adsorb subassembly (16) through this installation cavity fixedly connected with, adsorb subassembly (16) and switch module (15) electric connection, axial sliding connection has and adsorbs subassembly (16) complex coating device (17) on the arc profile of rubber sleeve (1).
3. The explosion-proof cable suitable for high-voltage environment according to claim 2, wherein: the switch assembly (15) is formed by linearly arranging a plurality of switch units (151), and each switch unit (151) is an independent pressure-sensitive switch and is powered by an external power supply.
4. The explosion-proof cable suitable for high-voltage environment as claimed in claim 3, wherein: the adsorption component (16) is composed of a plurality of electromagnet units (161) which are axially and linearly arranged in the installation cavity, and the electromagnet units (161) are in one-to-one correspondence with the switch units (151) and are electrically connected with each other.
5. The explosion-proof cable suitable for high-voltage environment according to claim 2, wherein: coating device (17) include rubber ring (18), the inner wall fixedly connected with foam-rubber cushion (19) of rubber ring (18), the inner wall of foam-rubber cushion (19) and the surperficial sliding connection of rubber sleeve (1), one side fixedly connected with and absorption subassembly (16) complex becket (20) that are close to liquid storage shell (3) on rubber ring (18).
6. The explosion-proof cable suitable for high-voltage environment according to claim 2, wherein: an outlet on the liquid guide hole (10) faces the coating device (17), and a filter screen is fixedly connected to the inner wall of the liquid guide hole (10).
7. The explosion-proof cable suitable for high-voltage environment according to claim 2, wherein: and a waterproof film is arranged on one side of the switch assembly (15) close to the extrusion block (13), and the waterproof film is made of polyurethane as a main material.
8. The explosion-proof cable suitable for high-voltage environment according to claim 1, wherein: the number of the liquid storage shells (3) is four, and the four liquid storage shells (3) are uniformly distributed on the rubber sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111226757.9A CN113972031B (en) | 2021-10-21 | 2021-10-21 | Explosion-proof cable suitable for high-voltage environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111226757.9A CN113972031B (en) | 2021-10-21 | 2021-10-21 | Explosion-proof cable suitable for high-voltage environment |
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| Publication Number | Publication Date |
|---|---|
| CN113972031A true CN113972031A (en) | 2022-01-25 |
| CN113972031B CN113972031B (en) | 2022-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111226757.9A Active CN113972031B (en) | 2021-10-21 | 2021-10-21 | Explosion-proof cable suitable for high-voltage environment |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109767870A (en) * | 2019-01-30 | 2019-05-17 | 穆云鹏 | A kind of wall fit type makes form forceful electric power cable by oneself |
| CN111029028A (en) * | 2019-12-11 | 2020-04-17 | 欧耐特线缆集团有限公司 | Explosion-proof special cable |
| CN111816360A (en) * | 2020-07-03 | 2020-10-23 | 文家洪 | Anti-freezing cable based on oil-filled folds and using method thereof |
| CN212392032U (en) * | 2020-05-15 | 2021-01-22 | 沈阳添瀛通用设备有限公司 | Explosion-proof cable based on coal mine environment |
| CN112700921A (en) * | 2020-12-21 | 2021-04-23 | 欧耐特线缆集团有限公司 | Insulating explosion-proof fireproof cable and explosion-proof fireproof method thereof |
-
2021
- 2021-10-21 CN CN202111226757.9A patent/CN113972031B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109767870A (en) * | 2019-01-30 | 2019-05-17 | 穆云鹏 | A kind of wall fit type makes form forceful electric power cable by oneself |
| CN111029028A (en) * | 2019-12-11 | 2020-04-17 | 欧耐特线缆集团有限公司 | Explosion-proof special cable |
| CN212392032U (en) * | 2020-05-15 | 2021-01-22 | 沈阳添瀛通用设备有限公司 | Explosion-proof cable based on coal mine environment |
| CN111816360A (en) * | 2020-07-03 | 2020-10-23 | 文家洪 | Anti-freezing cable based on oil-filled folds and using method thereof |
| CN112700921A (en) * | 2020-12-21 | 2021-04-23 | 欧耐特线缆集团有限公司 | Insulating explosion-proof fireproof cable and explosion-proof fireproof method thereof |
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| CN113972031B (en) | 2022-07-12 |
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