CN215643842U - High flame-retardant and flame-proof type signal cable for communication - Google Patents
High flame-retardant and flame-proof type signal cable for communication Download PDFInfo
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- CN215643842U CN215643842U CN202122207051.XU CN202122207051U CN215643842U CN 215643842 U CN215643842 U CN 215643842U CN 202122207051 U CN202122207051 U CN 202122207051U CN 215643842 U CN215643842 U CN 215643842U
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Abstract
The utility model discloses a high-flame-retardance and flame-proof type signal cable for communication, which comprises a copper conductor wire harness, wherein a filling layer is coated on the outer wall of the copper conductor wire harness, a reinforcing layer is coated on the outer wall of the filling layer, and a shielding layer is coated on the outer wall of the reinforcing layer. When a fire disaster occurs, the heat in the copper conductor wire harness can be transmitted to the inside of the connecting sleeve through the heat conduction pipe, so that heat dissipation is facilitated, a signal line in the copper conductor wire harness is further protected, when the pressure of the copper conductor wire harness and the pressure of the inside of the connecting sleeve are larger than the pulling force of the spring, the air pressure in the heat conduction pipe pushes the sealing ball to be separated from the arc-shaped plate, and therefore dry powder extinguishing agent powder in the heat conduction pipe is sprayed out under the driving of the air pressure and is scattered on the surface of the cable to form a glass-shaped covering layer, oxygen is isolated, the purpose of stifling and extinguishing is achieved, and the service life of the cable is greatly prolonged through the dual functions of extinguishing and inflaming retarding.
Description
Technical Field
The utility model relates to the technical field of communication cables, in particular to a high-flame-retardant and explosion-proof communication signal cable.
Background
The signal cable is a signal transmission tool, the signal transmitted by the signal cable is very small, in order to avoid the signal from being interfered, a shielding layer is arranged outside the signal cable, the shielding layer of the wrapped conductor is generally conductive cloth, a woven copper mesh or copper foil (aluminum), the shielding layer needs to be grounded, an external interference signal can be guided into the ground by the shielding layer, and the interference signal is prevented from entering an inner conductor to interfere and the loss of the transmitted signal is reduced.
The existing high-flame-retardance and flame-proof signal cable for communication has the advantages that when a fire disaster occurs, a large amount of toxic gas is generated in the surface combustion of the cable, the toxic gas can cause death, the safety is low, the fire resistance is poor, the purpose of extinguishing the fire cannot be automatically realized through the cable, and the service life of the cable is shortened.
Therefore, it is necessary to provide a high flame-retardant and flame-proof communication signal cable to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-flame-retardance and explosion-proof communication signal cable to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high flame-retardant flame-proof type signal cable for communication, includes copper conductor pencil, the outer wall cladding of copper conductor pencil has the filling layer, and the outer wall cladding of filling layer has the enhancement layer, the outer wall cladding of enhancement layer has the shielding layer, and the outer wall cladding of shielding layer has the polyethylene protective sheath, the outer wall cladding of polyethylene protective sheath has the fire-retardant layer of halogen-free cable, according to the fire-retardant principle of halogen-free cable: the outer wall of the flame-retardant layer is integrally connected with a plurality of connecting sleeves, a connecting hose is arranged between two copper conductor wire harnesses, the outer wall of the connecting hose is provided with a heat conduction pipe which penetrates through the filling layer, the reinforcing layer, the shielding layer, the polyethylene protective sleeve, the halogen-free cable flame-retardant layer and the flame-retardant layer respectively and extends to the inside of the connecting sleeves, and the inside of the heat conduction pipe is provided with a fire extinguishing mechanism.
Preferably, the copper conductor wiring harness is formed by twisting a plurality of tinned soft copper conductors, so that the prestress of the copper conductor wiring harness can be concentrated in the center of the copper conductor wiring harness, the tensile strength of the copper conductor wiring harness is improved, and the tensile strength of the cable is increased.
Preferably, the shielding layer is a braided copper mesh or copper foil structure, and the mesh structure not only increases the tensile strength of the shielding layer, but also can effectively shield external electromagnetic waves, thereby further preventing interference caused by high frequency and low frequency, and enabling signal transmission of signal lines in the cable to be more stable.
Preferably, fire-retardant layer and adapter sleeve are PE high-efficient fire-retardant master batch and constitute, and the fire behaviour that can improve cable polyethylene protective sheath is high, avoids the cable to receive the damage under high temperature, and thermal stability is strong, nontoxic low smell, and is with low costs, and not only flame retardant efficiency is good, and is less to the influence of cable itself moreover, and the purpose that can play double-deck protection is used to cooperation polyethylene protective sheath, has improved the life of cable greatly, is fit for extensively promoting.
Preferably, the mechanism of putting out a fire is including the backup pad with the vertical setting of the inner wall fixed connection of heat pipe, and the equal fixed mounting in one side of keeping away from the vertical axis of heat pipe of backup pad has the spring, the other end fixed mounting of spring has the ball sealer, and the upper and lower both sides of ball sealer are provided with the arc that is each other fixed connection with the inner wall of heat pipe respectively.
Preferably, the fire extinguishing mechanism and the vertical central axis of the heat conducting pipe are in a symmetrical structure, the outer wall of the sealing ball is attached to the arc-shaped plate, dry powder extinguishing agent powder is arranged inside the heat conducting pipe, when a fire disaster happens, the heat in the copper conductor wire harness can be transmitted to the inside of the connecting sleeve through the heat conduction pipe, so that the heat dissipation is convenient, the signal wire in the copper conductor wire harness is further protected, when the pressure intensity between the copper conductor wire harness and the inside of the connecting sleeve is larger than the pulling force of the spring, the air pressure in the heat conducting pipe pushes the sealing ball to be separated from the arc-shaped plate, thereby leading the powder of the dry powder extinguishing agent in the heat conduction pipe to be sprayed out under the driving of air pressure and to be scattered on the surface of the cable to form a layer of glass-shaped covering layer, therefore, the purpose of stifling and extinguishing is achieved by isolating oxygen, and the service life of the cable is greatly prolonged by the dual functions of extinguishing and inflaming retarding.
Compared with the prior art, the utility model has the beneficial effects that:
(1) this high fire-retardant flame-proof type signal cable for communication, when the conflagration breaing out, can pass through the inside of heat pipe conveying adapter sleeve with the inside heat of copper conductor pencil through the heat pipe that sets up, be convenient for dispel the heat, further protect the inside signal line of copper conductor pencil, when the inside pressure of copper conductor pencil and adapter sleeve is greater than the pulling force of spring, make inside atmospheric pressure of heat pipe promote sealed ball and arc phase separation, thereby make the inside dry powder extinguishing agent powder of heat pipe spray out under the drive of atmospheric pressure, scatter on the surface of cable, form one deck glass form overburden, thereby isolated oxygen reaches the purpose of stifling and putting out a fire, through putting out a fire and fire-retardant dual action, make the life of this cable improve greatly.
(2) This high fire-retardant flame-proof type signal cable for communication, fire-retardant layer and adapter sleeve are the high-efficient fire-retardant master batch of PE and constitute, and the fire behaviour that can improve cable polyethylene protective sheath is high, avoids the cable to receive the damage under high temperature, and thermal stability is strong, and nontoxic low smell, with low costs, not only flame retardant efficiency is good, and is less to the influence of cable itself moreover, and the purpose that double-deck protection can be played in cooperation polyethylene protective sheath use has improved the life of cable greatly, is fit for extensively promoting.
(3) This high flame-retardant flame-proof type signal cable for communication, the outer wall cladding of polyethylene protective sheath has no steamed cable flame retardant coating, and the outer wall cladding that has no steamed cable flame retardant coating has flame retardant coating, according to the fire-retardant principle of steamed cable: the water is separated out to reduce the temperature to extinguish the flame, so that the cable is ensured to work normally in case of fire, and the flame-retardant effect is improved by matching the halogen-free cable flame-retardant layer and the flame-retardant layer, thereby further reducing the temperature of the surface of the flame-retardant layer and achieving the purpose of protecting the flame-retardant layer.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
FIG. 4 is an enlarged view of the structure at C in FIG. 1;
FIG. 5 is a schematic view of the internal structure of the heat pipe of the present invention;
fig. 6 is a partial structural view of the shielding layer of the present invention.
In the figure: 1. a copper conductor harness; 2. a filling layer; 3. a reinforcing layer; 4. a shielding layer; 5. a polyethylene protective sheath; 6. a halogen-free cable flame retardant layer; 7. a flame retardant layer; 8. a connecting hose; 9. a heat conducting pipe; 10. connecting sleeves; 11. a fire extinguishing mechanism; 1101. a support plate; 1102. a spring; 1103. a sealing ball; 1104. an arc-shaped plate.
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.
Referring to fig. 1-6, an embodiment of the present invention is shown: the utility model provides a high flame-retardant flame-proof type signal cable for communication, includes copper conductor pencil 1, and the outer wall cladding of copper conductor pencil 1 has filling layer 2, and the outer wall cladding of filling layer 2 has enhancement layer 3, and the outer wall cladding of enhancement layer 3 has shielding layer 4, and the outer wall cladding of shielding layer 4 has polyethylene protective sheath 5, and the outer wall cladding of polyethylene protective sheath 5 has halogen-free cable flame retardant layer 6, according to the fire-retardant principle of halogen-free cable: the flame is extinguished by reducing the temperature by using the precipitated water, the cable is ensured to work normally in case of fire, the outer wall of the halogen-free cable flame-retardant layer 6 is wrapped with the flame-retardant layer 7, the flame-retardant effect is improved by using the halogen-free cable flame-retardant layer 6 and the flame-retardant layer 7 in a matching manner, so that the temperature of the surface of the flame-retardant layer 7 is further reduced, and the purpose of protecting the flame-retardant layer 7 is achieved, the outer wall of the flame-retardant layer 7 is integrally connected with a plurality of connecting sleeves 10, a connecting hose 8 is arranged between two copper conductor wire harnesses 1, and the outer wall of the connecting hose 8 is provided with a heat pipe 9 which respectively penetrates through the filling layer 2, the reinforcing layer 3, the shielding layer 4, the polyethylene protective sleeve 5, the halogen-free cable flame-retardant layer 6 and the flame-retardant layer 7 and extends to the inside of the connecting sleeves 10, and the inside of the heat pipe 9 is provided with a fire extinguishing mechanism 11.
As shown in fig. 1 and 2, the copper conductor harness 1 is formed by twisting a plurality of strands of tin-plated soft copper conductors, so that the prestress of the copper conductor harness 1 can be concentrated at the center of the copper conductor harness 1, the tensile strength of the copper conductor harness 1 is improved, and the tensile strength of the cable is increased.
As shown in fig. 6, the shielding layer 4 is a braided copper mesh or copper foil structure, and the mesh structure not only increases the tensile strength of the shielding layer 4, but also can effectively shield external electromagnetic waves, thereby further preventing interference caused by high frequency and low frequency, and making signal transmission of signal lines inside the cable more stable.
As shown in fig. 1, the flame retardant layer 7 and the connecting sleeve 10 are made of PE high-efficiency flame retardant master batches, which can improve the flame retardant property of the cable polyethylene protective sleeve 5, avoid the cable from being damaged at high temperature, have strong thermal stability, no toxicity and low odor, low cost, good flame retardant effect and less influence on the cable, and can play the purpose of double-layer protection by matching with the polyethylene protective sleeve 5, thereby greatly improving the service life of the cable and being suitable for wide popularization.
As shown in fig. 1 to 5, the fire extinguishing mechanism 11 includes a vertically disposed supporting plate 1101 fixedly connected to the inner wall of the heat conducting pipe 9, and a spring 1102 is fixedly mounted on one side of the supporting plate 1101 away from the vertical central axis of the heat conducting pipe 9, a sealing ball 1103 is fixedly mounted on the other end of the spring 1102, and arc-shaped plates 1104 fixedly connected to the inner wall of the heat conducting pipe 9 are respectively disposed on the upper and lower sides of the sealing ball 1103.
As shown in fig. 1-5, the fire extinguishing mechanism 11 and the vertical central axis of the heat pipe 9 are of a symmetrical structure, the outer wall of the sealing ball 1103 is attached to the arc 1104, powder of dry powder fire extinguishing agent is disposed inside the heat pipe 9, when a fire occurs, the heat inside the copper conductor wire harness 1 can be transferred to the inside of the connecting sleeve 10 through the heat pipe 9 by the disposed heat pipe 9, so as to further protect the signal line inside the copper conductor wire harness 1, when the pressure inside the copper conductor wire harness 1 and the connecting sleeve 10 is greater than the pulling force of the spring 1102, the air pressure inside the heat pipe 9 pushes the sealing ball 1103 to separate from the arc 1104, so that the powder of dry powder fire extinguishing agent inside the heat pipe 9 is sprayed out under the driving of air pressure, and falls on the surface of the cable to form a layer of glass-like covering layer, thereby isolating oxygen to achieve the purpose of smothering fire extinguishing, through the dual functions of fire extinguishing and fire retarding, the service life of the cable is greatly prolonged.
The working principle is as follows: according to the process requirement, the outer wall cladding through copper conductor pencil 1 has filling layer 2, and the outer wall cladding of filling layer 2 has enhancement layer 3, the outer wall cladding of enhancement layer 3 has shielding layer 4, network structure has not only increased shielding layer 4's tensile strength, can effectively shield outside electromagnetic wave simultaneously, further prevent the interference that high frequency and low frequency brought, make the inside signal line signal transmission of cable more stable, and the outer wall cladding of shielding layer 4 has polyethylene protective sheath 5, polyethylene protective sheath 5's outer wall cladding has halogen-free cable flame retardant coating 6, according to the fire-retardant principle of halogen-free cable: the flame is extinguished by reducing the temperature by using the precipitated water, the cable is ensured to work normally in case of fire, the outer wall of the flame-retardant layer 6 of the halogen-free cable is coated with the flame-retardant layer 7, the flame-retardant effect is improved by using the flame-retardant layer 6 of the halogen-free cable and the flame-retardant layer 7 in a matching way, so that the temperature of the surface of the flame-retardant layer 7 is further reduced, and the purpose of protecting the flame-retardant layer 7 is achieved, the outer wall of the flame-retardant layer 7 is integrally connected with a plurality of connecting sleeves 10, the flame-retardant layer 7 and the connecting sleeves 10 are both made of PE high-efficiency flame-retardant master batches, the flame-retardant performance of the cable polyethylene protective sleeve 5 can be improved, the cable is prevented from being damaged at high temperature, the thermal stability is strong, the cable is nontoxic and low in odor, the cost is low, the flame-retardant effect is good, the influence on the cable is less, the double-layer protection purpose can be achieved by using the polyethylene protective sleeve 5 in a matching way, and the service life of the cable is greatly prolonged, the dry powder extinguishing device is suitable for wide popularization, a connecting hose 8 is arranged between two copper conductor wire harnesses 1, the outer wall of the connecting hose 8 is provided with a heat conduction pipe 9 which penetrates through a filling layer 2, a reinforcing layer 3, a shielding layer 4, a polyethylene protective sleeve 5, a halogen-free cable flame-retardant layer 6 and a flame-retardant layer 7 respectively and extends into a connecting sleeve 10, a fire extinguishing mechanism 11 is arranged inside the heat conduction pipe 9, heat inside the copper conductor wire harnesses 1 can be transmitted into the connecting sleeve 10 through the heat conduction pipe 9 through the arranged heat conduction pipe 9, a signal line inside the copper conductor wire harnesses 1 is further protected, when the pressure intensity inside the copper conductor wire harnesses 1 and the connecting sleeve 10 is larger than the tensile force of a spring 1102, the air pressure inside the heat conduction pipe 9 pushes a sealing ball 1103 to be separated from an arc 1104, so that fire extinguishing agent powder inside the heat conduction pipe 9 is sprayed out under the driving of the air pressure and is scattered on the surface of a dry powder cable, a layer of glass-shaped covering layer is formed, so that the aim of stifling and extinguishing fire is achieved by isolating oxygen, and the service life of the cable is greatly prolonged through the dual functions of extinguishing fire and retarding fire.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a high flame retardant flame proof type signal cable for communication, includes copper conductor pencil (1), its characterized in that: the outer wall of the copper conductor wire harness (1) is wrapped with a filling layer (2), the outer wall of the filling layer (2) is wrapped with a reinforcing layer (3), the outer wall of the reinforcing layer (3) is wrapped with a shielding layer (4), the outer wall of the shielding layer (4) is wrapped with a polyethylene protective sleeve (5), the outer wall of the polyethylene protective sleeve (5) is wrapped with a halogen-free cable flame-retardant layer (6), the outer wall of the halogen-free cable flame-retardant layer (6) is wrapped with a flame-retardant layer (7), the outer wall of the flame-retardant layer (7) is integrally connected with a plurality of connecting sleeves (10), a connecting hose (8) is arranged between the two copper conductor wire harnesses (1), and the outer wall of the connecting hose (8) is provided with a heat conduction pipe (9) which respectively penetrates through the filling layer (2), the reinforcing layer (3), the shielding layer (4), the polyethylene protective sleeve (5), the halogen-free cable flame-retardant layer (6) and the flame-retardant layer (7) and extends to the inside of the connecting sleeves (10), and a fire extinguishing mechanism (11) is provided inside the heat transfer pipe (9).
2. The signal cable for high flame-retardant and flameproof communication according to claim 1, characterized in that: the copper conductor wiring harness (1) is formed by stranding a plurality of strands of tinned soft copper conductors.
3. The signal cable for high flame-retardant and flameproof communication according to claim 1, characterized in that: the shielding layer (4) is a woven copper mesh or copper foil structure.
4. The signal cable for high flame-retardant and flameproof communication according to claim 1, characterized in that: the flame-retardant layer (7) and the connecting sleeve (10) are both composed of PE high-efficiency flame-retardant master batches.
5. The signal cable for high flame-retardant and flameproof communication according to claim 1, characterized in that: the fire extinguishing mechanism (11) comprises a supporting plate (1101) which is vertically arranged and fixedly connected with the inner wall of the heat conduction pipe (9), a spring (1102) is fixedly mounted on one side of the supporting plate (1101) away from the vertical central axis of the heat conduction pipe (9), a sealing ball (1103) is fixedly mounted at the other end of the spring (1102), and arc-shaped plates (1104) which are fixedly connected with the inner wall of the heat conduction pipe (9) are respectively arranged on the upper side and the lower side of the sealing ball (1103).
6. The signal cable for high flame-retardant and flame-proof communication according to claim 5, characterized in that: the fire extinguishing mechanism (11) is of a symmetrical structure with the vertical central axis of the heat conducting pipe (9), the outer wall of the sealing ball (1103) is attached to the arc-shaped plate (1104), and dry powder extinguishing agent powder is arranged inside the heat conducting pipe (9).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122207051.XU CN215643842U (en) | 2021-09-13 | 2021-09-13 | High flame-retardant and flame-proof type signal cable for communication |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122207051.XU CN215643842U (en) | 2021-09-13 | 2021-09-13 | High flame-retardant and flame-proof type signal cable for communication |
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| CN215643842U true CN215643842U (en) | 2022-01-25 |
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| CN202122207051.XU Active CN215643842U (en) | 2021-09-13 | 2021-09-13 | High flame-retardant and flame-proof type signal cable for communication |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114725856A (en) * | 2022-05-03 | 2022-07-08 | 江苏上诚电缆有限公司 | Fire-resistant RVV cable protective layer |
| CN115810447A (en) * | 2022-11-17 | 2023-03-17 | 江苏诸成电缆有限公司 | Sliding sleeve joint separation type flame-retardant cable |
-
2021
- 2021-09-13 CN CN202122207051.XU patent/CN215643842U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114725856A (en) * | 2022-05-03 | 2022-07-08 | 江苏上诚电缆有限公司 | Fire-resistant RVV cable protective layer |
| CN114725856B (en) * | 2022-05-03 | 2024-06-18 | 国网新疆电力有限公司奎屯供电公司 | Fire-resistant RVV cable inoxidizing coating |
| CN115810447A (en) * | 2022-11-17 | 2023-03-17 | 江苏诸成电缆有限公司 | Sliding sleeve joint separation type flame-retardant cable |
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