CN214847858U - Stainless steel sheath heat insulation type fireproof cable - Google Patents

Abstract

The utility model discloses a stainless steel sheath heat insulation type fireproof cable belongs to fireproof cable technical field, has solved the not good problem of heat dispersion nature in the prior art, the impact resistance is weak and heat dispersion is also not good, and it includes the cable body, the surface coating of cable body has the one deck oversheath, the inboard cover of oversheath is equipped with stainless steel embossing sheath, the inboard cover of stainless steel embossing sheath is equipped with the insulating layer, the insulating layer parcel has several cable cores and separates the cavity baffle of adjacent cable core, it has fire-retardant thing to pack between cable core and the insulating layer, promotes the fireproof heat-proof quality of cable, strengthens radiating performance simultaneously.

Description

Stainless steel sheath heat insulation type fireproof cable

Technical Field

The utility model belongs to the technical field of fireproof cable, specifically belong to the thermal-insulated type fireproof cable of stainless steel sheath.

Background

Cable products carry important data, image and other information transmission tasks in buildings, engineering safety systems. Because the purchasing importance of users or engineers on cable products, especially fireproof flame-retardant cable products is not enough, a series of problems of life and property hazards such as combustion supporting and even toxic gas release of cables in fire are often caused, and quite disastrous losses and negative effects are brought.

In the prior art, the cable is poor in heat insulation performance and impact resistance, is easy to damage by external force, is poor in heat dissipation performance, cannot dissipate heat generated by a cable core, increases the energy consumption of the cable due to heat accumulation, can cause fire seriously and causes economic loss.

SUMMERY OF THE UTILITY MODEL

Poor, the weak and also not good problem of heat dispersion of shock resistance nature in the mesophragma performance to prior art, the utility model provides a stainless steel sheath heat-insulating type fireproof cable, its aim at: the fireproof and heat-insulating performance of the cable is improved, and meanwhile, the heat dissipation performance is enhanced.

The utility model adopts the technical scheme as follows:

stainless steel sheath type fireproof cable that insulates against heat, including the cable body, the surface coating of cable body has the one deck oversheath, the inboard cover of oversheath is equipped with stainless steel embossing sheath, the inboard cover of stainless steel embossing sheath is equipped with the insulating layer, insulating layer parcel has several cable cores and separates the cavity baffle of adjacent cable core, it has fire-retardant thing to fill between cable core and the insulating layer.

By adopting the scheme, the stainless steel sheath greatly enhances the impact resistance of the cable, has corrosion resistance and effectively protects the wire core in the cable; the heat of cable core is scattered to the cavity baffle and is avoided thermal piling up, reduces the inside conflagration potential safety hazard of cable, simultaneously including the thermal-insulated protection of insulating layer upon layer of fire-retardant thing, insulating layer and oversheath, makes the fire prevention heat-proof quality greatly increased of cable.

Preferably, the cable core includes the copper conductor, the outside cover of copper conductor is equipped with synthetic mica tape insulating layer, synthetic mica tape insulating layer outside cover is equipped with the isolation layer.

By adopting the scheme, the outer layer of the copper conductor is coated with the synthetic mica tape to play an insulating role, the normal work of the cable under the condition of high voltage current is ensured, the isolation layer can isolate the temperature of the cable core from the external hot gas, and the effects of fire prevention, moisture prevention, heat insulation and water prevention are achieved.

Preferably, the outer sheath is made of a ceramic silicone rubber material.

By adopting the scheme, the ceramic silicon rubber has the characteristics of excellent fire resistance, flame retardance, low smoke, no toxicity and the like, effectively protects the outermost layer of the cable, and increases the fire resistance of the cable.

Preferably, the cable core is provided with 3, and the contained angle between the cavity baffle is 120.

Adopt above-mentioned scheme, the quantity that the cavity baffle set up is as many as the quantity of cable core, and this application sets up 3 cavity baffles, so adjacent cavity baffle is 120 apart from, guarantees that the atress is even, avoids the too big structure of damaging the cavity baffle of certain atress.

Preferably, the hollow partition is filled with a heat dissipation material.

By adopting the scheme, the heat absorbing performance of the hollow partition plate is further improved by taking away the heat absorbed by the hollow partition plate by the heat dissipation material, the heat is prevented from being accumulated at the cable core to influence the normal work of the cable core, and the service life of the cable core is prolonged.

Preferably, the flame retardant is a glass fiber rope material.

Adopt above-mentioned scheme, glass fiber rope has main properties such as temperature resistant, corrosion-resistant, high strength, effectively protects the surface of cable core, prevents that the surface wearing and tearing of cable core from leading to the electric leakage, can also avoid cable core to be burnt out by outside burning things which may cause a fire disaster simultaneously.

Preferably, the gap of the stainless steel embossing sheath is welded by argon arc welding.

By adopting the scheme, the argon protection can isolate the adverse effects of oxygen, nitrogen, hydrogen and the like in the air on electric arc and a molten pool, and reduce the burning loss of alloy elements so as to obtain a compact, splash-free and high-quality welding joint; the argon arc welding has stable arc combustion, concentrated heat, high arc column temperature, high welding production efficiency, narrow heat affected zone, less stress, deformation and crack tendency of the welded part, and the best mechanical performance of the stainless steel rolled sheath.

Preferably, the insulating layer is made of a auro mica tape.

By adopting the scheme, the phlogopite tape has good flexibility and tensile strength, is suitable for high-speed winding, has the characteristics of good fire resistance, acid and alkali resistance, corona resistance, radiation resistance and the like, is low in price, and is a preferred material for making fire-resistant cables.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the stainless steel sheath greatly enhances the impact resistance of the cable, has corrosion resistance and effectively protects the wire core in the cable; the heat of cable core is scattered to the cavity baffle and is avoided thermal piling up, reduces the inside conflagration potential safety hazard of cable, simultaneously including the thermal-insulated protection of insulating layer upon layer of fire-retardant thing, insulating layer and oversheath, makes the fire prevention heat-proof quality greatly increased of cable.

2. The outer layer of the copper conductor is coated with the synthetic mica tape to play an insulating role, so that the cable can normally work under the condition of high voltage current, and the isolating layer can isolate the temperature of the cable core from external hot gas to play roles in fire prevention, moisture prevention, heat insulation and water prevention.

3. The ceramic silicon rubber has the characteristics of excellent fire resistance, flame retardance, low smoke, no toxicity and the like, effectively protects the outermost layer of the cable, and improves the fire resistance of the cable.

4. The quantity that the cavity baffle set up is as many as the quantity of cable core, and this application sets up 3 cavity baffles, so adjacent cavity baffle is 120 apart from, guarantees that the atress is even, avoids the too big structure of damaging the cavity baffle of certain atress.

5. The heat dissipation material takes away the heat absorbed by the hollow partition plate, so that the heat absorption performance of the hollow partition plate is further improved, the heat is prevented from being accumulated at the cable core to influence the normal work of the cable core, and the service life of the cable core is prolonged.

6. The glass fiber rope has main performances such as temperature resistance, corrosion resistance and high strength, effectively protects the outer surface of the cable core, prevents the outer surface abrasion of the cable core from causing electric leakage, and can also avoid the cable core from being burnt out by an external fire source.

7. The argon protection can isolate the adverse effects of oxygen, nitrogen, hydrogen and the like in the air on electric arc and a molten pool, and reduce the burning loss of alloy elements so as to obtain a compact, splash-free and high-quality welding joint; the argon arc welding has stable arc combustion, concentrated heat, high arc column temperature, high welding production efficiency, narrow heat affected zone, less stress, deformation and crack tendency of the welded part, and the best mechanical performance of the stainless steel rolled sheath.

8. The auromite tape has good flexibility and tensile strength, is suitable for high-speed winding, has the characteristics of good fire resistance, acid and alkali resistance, corona resistance, radiation resistance and the like, is low in price, and is a preferred material for fire-resistant cables.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

fig. 1 is a schematic sectional view of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Description of the drawings: 1-a copper conductor; 2-synthesizing a mica tape insulating layer; 3-an isolating layer; 4-an insulating layer; 5-stainless steel embossing sheath; 6-outer sheath; 7-a hollow partition plate; 8-flame retardant.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The present invention will be described in detail with reference to fig. 1 and 2.

The first embodiment is as follows:

stainless steel sheath type fireproof cable that insulates against heat, including the cable body, the surface coating of cable body has one deck oversheath 6, the inboard cover of oversheath 6 is equipped with stainless steel embossing sheath 5, the inboard cover of stainless steel embossing sheath 5 is equipped with insulating layer 4, insulating layer 4 parcel has several cable core and separates the cavity baffle 7 of adjacent cable core, it has fire-retardant thing 8 to fill between cable core and the insulating layer 4, and the protection of insulating heat-insulating layer upon layer of fire-retardant thing 8, insulating layer 4 and oversheath 6 is cooperated in setting up of cavity baffle 7 makes the fireproof heat-insulating properties greatly increased of cable, and stainless steel embossing sheath 5 can also provide certain shock resistance and corrosion resisting property simultaneously, under abominable condition, still can keep original electric conductivity.

The cable core includes copper conductor 1, 1 outside cover of copper conductor is equipped with synthetic mica tape insulating layer 2, 2 outside covers of synthetic mica tape insulating layer are equipped with isolation layer 3, and isolation layer 3 is isolated outside and is played fire prevention, dampproofing, thermal-insulated and waterproof effect to copper conductor 1's interference.

Oversheath 6 is made by ceramic silicon rubber material, and the splendid fire prevention of ceramic silicon rubber, fire-retardant, low cigarette, non-toxic characteristic make the utility model discloses have stronger fire behavior, also can not reduce the problem in the aspect of the environmental protection because of burning release poisonous and harmful gas and smoke and dust simultaneously.

The cable core is equipped with 3, contained angle between the cavity baffle 7 is 120, and the angle of adjacent cavity baffle 7 sets up to 120, makes the baffle group that polylith cavity baffle 7 is constituteed have stronger atress structure, effectively keeps radiating effect for a long time.

The hollow partition 7 is filled with a heat dissipation material, so that the heat dissipation performance of the hollow partition 7 is further improved.

The flame retardant 8 is made of a glass fiber rope material, effectively protects the surface of a cable core, and has certain fireproof performance.

The gap of the stainless steel corrugated sheath 5 is welded by argon arc welding, the argon arc welding reduces the surface defects and alloy changes of the stainless steel corrugated sheath 5, and the stainless steel corrugated sheath 5 is ensured to have stronger shock resistance after being welded.

The insulating layer 4 is made of a auro mica tape, the use cost of the auro mica tape is low, and the auro mica tape is suitable for long-distance laying cables.

In the first embodiment, the synthetic mica tape insulating layer 2 is wrapped outside the copper conductor 1 to ensure the normal work of the copper conductor 1, the insulating layer 3 is wrapped outside the mica tape insulating layer 2 to play a role in fire prevention and heat insulation, the copper conductor 1 can generate a large amount of heat after working for a long time, and the hollow partition plate 7 disperses the heat and takes away the heat by the heat dissipation material inside, so that the self-heat dissipation effect is achieved; all cable cores are wrapped by the insulating layer 4, gaps are reserved between the cable cores and the insulating layer 4 under the supporting action of the hollow partition plate 7 and are used for filling the flame retardant 8, the flame retardant 8 is made of glass fiber ropes, the cable cores are effectively protected from abrasion, and the cable cores can be prevented from fire and heat; a stainless steel corrugated sheath 5 is sleeved on the outer layer of the insulating layer 4 to protect the interior of the cable from corrosion and have certain impact resistance, and an outer sheath 6 made of ceramic silicon rubber isolates external high temperature to protect the stainless steel corrugated sheath 5, so that the cable can keep a high-performance state for a long time. The cable is made by layer upon layer's fire-resistant material, and fire behavior is showing and is promoting, has solved outside and inside fire prevention problem simultaneously, prolongs the life of cable greatly.

The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.

Claims (8)

1. Stainless steel sheath type fireproof cable that insulates against heat, a serial communication port, including the cable body, the surface coating of cable body has one deck oversheath (6), the inboard cover of oversheath (6) is equipped with stainless steel embossing sheath (5), the inboard cover of stainless steel embossing sheath (5) is equipped with insulating layer (4), insulating layer (4) parcel has several cable cores and separates hollow partition (7) of adjacent cable core, it has fire-retardant thing (8) to fill between cable core and insulating layer (4).

2. The stainless steel sheath heat insulation type fireproof cable according to claim 1, wherein the cable core comprises a copper conductor (1), a synthetic mica tape insulating layer (2) is sleeved outside the copper conductor (1), and an isolation layer (3) is sleeved outside the synthetic mica tape insulating layer (2).

3. The stainless steel sheathed insulated fireproof cable of claim 1, wherein the outer sheath (6) is made of a ceramized silicone rubber material.

4. The stainless steel sheath heat insulation type fireproof cable according to claim 1, wherein 3 cable cores are provided, and the included angle between the hollow partition plates (7) is 120 °.

5. The stainless steel sheathed insulated fireproof cable of claim 1, wherein the hollow partition (7) is filled with a heat dissipating material.

6. The stainless steel sheathed insulated fireproof cable of claim 1, wherein the flame retardant (8) is a glass fiber rope material.

7. The stainless steel sheath heat insulation type fireproof cable according to claim 1, wherein the seam of the stainless steel corrugated sheath (5) is welded by argon arc welding.

8. The stainless steel sheathed insulated fireproof cable of claim 1, wherein the insulating layer (4) is a mica tape.

Images