CN218471639U - Fireproof heat insulation blanket and cable structure - Google Patents
Fireproof heat insulation blanket and cable structure Download PDFInfo
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- CN218471639U CN218471639U CN202222195893.2U CN202222195893U CN218471639U CN 218471639 U CN218471639 U CN 218471639U CN 202222195893 U CN202222195893 U CN 202222195893U CN 218471639 U CN218471639 U CN 218471639U
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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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Abstract
The utility model discloses a thermal-insulated blanket of fire prevention and cable structure, this thermal-insulated blanket of fire prevention include first inoxidizing coating, second inoxidizing coating and thermal-insulated powder, and the second inoxidizing coating is relative with first inoxidizing coating, and first inoxidizing coating is connected to the second inoxidizing coating to enclose with first inoxidizing coating and close a plurality of mutual isolated thermal-insulated chambeies of formation, thermal-insulated chamber is filled to thermal-insulated powder. This application is through adopting first inoxidizing coating and second protective layer to form a plurality of thermal-insulated chambeies to pack thermal-insulated powder in thermal-insulated intracavity, make first inoxidizing coating and second inoxidizing coating not only can be high temperature resistant, play the fire prevention effect, can also tie inside thermal-insulated powder effectively, make its cladding when the high temperature on the cable, thermal-insulated powder plays thermal-insulated, the explosion energy absorption, the effect of buffering. So make first inoxidizing coating, second inoxidizing coating and thermal-insulated powder cooperate, when the thermal-insulated blanket of fire prevention simple structure and light, the thermal-insulated powder of inoxidizing coating parcel inside makes it be unlikely to drop and influences environmental quality to have good fire prevention heat-proof quality.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to thermal-insulated blanket and cable structure of fire prevention.
Background
With the rapid development of domestic economy, power industrial cables are widely applied in many fields, such as high-rise buildings, subways, urban power grids and the like. If the cable joint is in poor contact, electric sparks are easy to generate to cause fire, and if the electric sparks are not found or controlled in time, the fire can affect most cables to cause huge loss.
The general heat insulation felt and heat insulation blanket in the market at present have the following problems: the fireproof function is poor, and the fireproof material can be burnt through in the presence of open fire to lose the heat insulation function; the aerogel felt is easy to have powder falling; the aerogel heat insulation blanket or felt has low strength and no explosion-proof performance; the fibers of the aerogel heat insulation blanket or felt have stimulation effect on human skin and respiratory tract, and the environmental protection property is poor. The existing ceramic fireproof blanket is filled with mineral powder, and the whole product is heavier due to higher powder density, so that the risks of difficult installation and cable bending exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a fire prevention heat insulation blanket aims at guaranteeing when simple structure, light, makes fire prevention heat insulation blanket possess good thermal-insulated, fire behavior.
In order to achieve the above object, the utility model provides a fireproof heat insulation blanket includes:
a first protective layer;
the second protective layer is opposite to the first protective layer and is connected with the first protective layer and forms a plurality of mutually isolated heat insulation cavities in a surrounding manner with the first protective layer; and
and the heat insulation powder is filled in the heat insulation cavity.
In one embodiment, the heat insulating powder is aerogel powder.
In one embodiment, the first protective layer is provided with at least two layers of first protective cloth, and the at least two layers of first protective cloth are stacked;
and/or the second protective layer is provided with at least two layers of second protective cloth, and the at least two layers of second protective cloth are stacked.
In one embodiment, the first protective cloth is a silicon rubber ceramic cloth or a glass fiber cloth;
the second protective cloth is ceramic silicon rubber cloth or glass fiber cloth.
In one embodiment, the first protective layer and the second protective layer are sewn together with fire-resistant thread to form a plurality of the heat-insulating cavities.
In one embodiment, the fireproof heat insulation blanket has a first direction and a second direction arranged at an angle to the first direction, the heat insulation cavities extend along the first direction, and the heat insulation cavities are uniformly arranged along the second direction.
In an embodiment, the first direction is perpendicular to the second direction, and the length of the fire and heat insulating blanket in the first direction is greater than the length of the fire and heat insulating blanket in the second direction.
In an embodiment, the outer wall surfaces of two adjacent heat insulation cavities enclose a pressure relief channel, and the pressure relief channel is arranged on one side of the first protective layer or the second protective layer, which is away from the heat insulation cavities.
In one embodiment, the cross-sectional shape of the insulation cavity along the second direction is circular, oval, triangular or square.
The utility model discloses still provide a cable construction, cable construction includes:
cables and/or cable joints; and
the fireproof heat insulation blanket is the fireproof heat insulation blanket in any embodiment, and the fireproof heat insulation blanket is wrapped on the periphery of the cable and/or the joint of the cable.
The utility model discloses technical scheme is through adopting first inoxidizing coating and second protective layer to form a plurality of thermal-insulated chambeies to pack thermal-insulated powder in thermal-insulated intracavity, make first inoxidizing coating and second inoxidizing coating not only can be high temperature resistant, play the fire prevention effect, can also tie inside thermal-insulated powder effectively, make its cladding when the high temperature on the cable, thermal-insulated powder plays thermal-insulated, the explosion energy absorption, the effect of buffering. So make first inoxidizing coating, second inoxidizing coating and thermal-insulated powder cooperate, compare in the fire blanket product of single material, when the fire blanket simple structure and light in this application, the inside thermal-insulated powder of inoxidizing coating parcel makes it be unlikely to drop and influence environmental quality to have good fire prevention heat-proof quality.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the cable structure of the present invention;
FIG. 2 is a schematic structural view of an embodiment of the fireproof heat insulation blanket of the present invention;
fig. 3 is a schematic cross-sectional view of the fire and heat insulating blanket of fig. 2.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
13 | Second |
| 10 | Fireproof |
15 | Heat-insulating |
| 10a | |
30 | Cable with a |
| 10b | |
50 | Binding belt |
| 11 | A first protective layer |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
With the rapid development of domestic economy, the electric power industry cable is widely applied to a plurality of fields, if the cable joint is in poor contact, electric sparks are easily generated to cause fire disasters, and the fire disasters affect most cables to cause huge loss. The heat insulation felt and the heat insulation blanket which are commonly used in the market at present have poor fireproof function, easy powder falling, low strength, poor environmental protection and the like. The existing ceramic fireproof blanket is filled with mineral powder, so that the product is integrally heavy, the installation is difficult, and the risk of bending the cable exists.
In view of this, in order to ensure the simple structure and light weight, and to make the fireproof heat-insulating blanket have excellent heat-insulating and fireproof performance, the utility model provides a fireproof heat-insulating blanket 10.
Referring to fig. 1 to 3, in some embodiments of the present application, the fire and heat insulation blanket 10 includes a first protection layer 11, a second protection layer 13 and a heat insulation powder 15, the second protection layer 13 is opposite to the first protection layer 11, the second protection layer 13 is connected to the first protection layer 11 and encloses with the first protection layer 11 to form a plurality of heat insulation cavities 10a isolated from each other, and the heat insulation powder 15 fills the heat insulation cavities 10a.
In one embodiment, when the fire-proof and heat-insulating blanket 10 is unfolded, the first protective layer 11 and the second protective layer 13 are laid on top of each other in a substantially rectangular shape, and the first protective layer 11 and the second protective layer 13 are enclosed at their peripheries and are connected at intervals at their intermediate portions, thereby forming a plurality of heat-insulating cavities 10a therein.
Alternatively, the heat insulation chamber 10a may be a strip-shaped space extending along a certain direction of the fireproof heat insulation blanket 10, or the heat insulation chamber 10a may also be a block-shaped space divided and uniformly arranged at intervals. The heat insulating chamber 10a is filled with heat insulating powder 15, and it should be noted that the heat insulating chambers 10a are arranged in an insulating manner, so that the heat insulating powder 15 is confined in the heat insulating chamber 10a, and the heat insulating powder 15 is uniformly spread between the first protective layer 11 and the second protective layer 13 along with the heat insulating chamber 10a.
It is understood that the first protective layer 11 and the second protective layer 13 may be made of fireproof and heat-resistant materials such as silicon rubber cloth or glass fiber cloth, and the heat insulating powder 15 may be made of heat-insulating and energy-absorbing materials such as aerogel.
The utility model discloses technical scheme is through adopting first inoxidizing coating 11 and second inoxidizing coating 13 to form a plurality of thermal-insulated chambeies 10a to pack thermal-insulated powder 15 in thermal-insulated chamber 10a intussuseption, make first inoxidizing coating 11 and second inoxidizing coating 13 not only can be high temperature resistant, play the fire prevention effect, can also tie inside thermal-insulated powder 15 effectively, make its even cladding on cable 30, thermal-insulated powder 15 plays thermal-insulated, the explosion energy absorption, the effect of buffering. So make first inoxidizing coating 11, second inoxidizing coating 13 and thermal-insulated powder 15 cooperate, compare in the fire prevention blanket product of single material, when the fire prevention thermal-insulated blanket 10 simple structure and light in this application, the inside thermal-insulated powder 15 of inoxidizing coating parcel makes it be unlikely to drop and influence environmental quality to have good fire prevention heat-proof quality.
In one embodiment, the thermal insulation powder 15 is aerogel powder. The aerogel is a light nano porous material with a space network structure, and has the characteristics of low density, high porosity, large specific surface area and the like. The size of the nanometer holes in the aerogel is smaller than the movement free path of air, and the convection, radiation and transmission of heat are limited, so that the aerogel has good effects of heat insulation, energy absorption and the like.
In the related art, aerogel and fiber are often compounded to form a composite material to form a heat insulation felt and a heat insulation blanket, in the application, aerogel powder is filled between the first protective layer 11 and the second protective layer 13, so that the toughness and the strength of the fireproof heat insulation blanket 10 are ensured, the fireproof and explosion-proof performance of the fireproof heat insulation blanket is enhanced, and the aerogel powder is adopted to further improve the heat insulation and energy absorption effects, and under the wrapping of the first protective layer 11 and the second protective layer 13, the aerogel powder is not easy to diffuse out to pollute the environment and influence the body health of people.
In some embodiments, the first protective layer 11 is provided with at least two layers of first protective cloth, which are stacked;
and/or the second protective layer 13 is provided with at least two layers of second protective cloth, and the at least two layers of second protective cloth are stacked.
When the fireproof heat insulation blanket 10 is wrapped on the cable 30, optionally, the first protection layer 11 is located at the inner side, i.e. the side close to the surface of the cable 30, and the second protection layer 13 is located at the outer side, in order to enhance the protection effect, two or more layers of first protection cloth may be arranged on the first protection layer 11, and two or more layers of second protection cloth may also be arranged on the second protection layer 13.
It can be understood that the number of layers of the first protective cloth and the second protective cloth may be the same or different, and according to the actual situation, a plurality of layers of protective cloth may be added to the protective layer located on the inner side.
Specifically, in one embodiment, the first protective cloth is a silicon rubber ceramic cloth or a glass fiber cloth; the second protective cloth is ceramic silicon rubber cloth or glass fiber cloth.
The ceramic silicon rubber cloth can form a self-supporting ceramic body in flame, passive fire prevention is achieved, the ceramic silicon rubber cloth has good fire prevention performance, certain strength and thermal shock resistance, and is easy to manufacture and environment-friendly in material. The glass fiber cloth has good tensile property and covering property, and also has good fireproof performance.
In this embodiment, the first protective cloth and the second protective cloth are made of the same material, which is convenient for processing; the first protective cloth and the second protective cloth may be made of different materials, and the first protective cloth and the second protective cloth may be made of different materials according to the position of the fire-proof heat-insulating blanket 10 wrapped on the cable 30, so as to obtain more excellent performance.
For example, when the first protective cloth is arranged on the inner side and the second protective cloth is arranged on the outer side, the first protective cloth can be made of ceramic silicon rubber cloth, and the second protective cloth is made of glass fiber cloth;
of course, the first protective cloth and the second protective cloth may also both adopt ceramic silicon rubber cloth or glass fiber cloth, and the first protective cloth and the second protective cloth may be provided with multiple layers.
In one embodiment, the first protective layer 11 and the second protective layer 13 are sewn with fire-resistant thread to form a plurality of insulating chambers 10a.
The fire-proof and heat-insulating blanket 10 of the present application is prepared by:
step 1: the first protective layer 11 and the second protective layer 13 are sewn into a plurality of pocket-shaped cloth bags by using fire-proof lines.
Step 2: and filling the heat insulation powder 15 into the blanket to form a gap gully shape, sealing one end of the heat insulation powder, and sewing the blanket to obtain the aerogel-based fireproof heat insulation blanket 10 with excellent light weight and explosion-proof performance.
The fireproof wire is flexible and convenient to process, good in toughness and tight and firm in connection.
In addition, the first protective layer 11 and the second protective layer 13 may also be connected by gluing or pressing, which is not limited herein.
Referring to fig. 2, in an embodiment, the fire-proof and heat-insulating blanket 10 has a first direction and a second direction arranged at an angle to the first direction, the heat-insulating cavities 10a are arranged to extend along the first direction, and the plurality of heat-insulating cavities 10a are uniformly arranged along the second direction.
In this embodiment, the heat insulating cavity 10a is a bar-shaped cavity extending along the first direction, and the plurality of heat insulating cavities 10a are uniformly arranged, so that the fireproof heat insulating blanket 10 can be assembled more conveniently, the cavity can be filled with the heat insulating powder 15 more easily, and the heat insulating powder 15 is uniformly arranged between the first protective layer 11 and the second protective layer 13, thereby avoiding the potential safety hazard caused by uneven distribution of the heat insulating powder 15.
Further, in an embodiment, the first direction is perpendicular to the second direction, and the length of the fire protection and thermal insulation blanket 10 in the first direction is greater than the length of the fire protection and thermal insulation blanket 10 in the second direction. In this embodiment, first inoxidizing coating 11 and second inoxidizing coating 13 all are the rectangle setting, and the two overlaps the setting, and first direction is the length direction of first inoxidizing coating 11 and second inoxidizing coating 13, and the second direction is the width direction of first inoxidizing coating 11 and second inoxidizing coating 13, and processing is comparatively convenient, and thermal-insulated chamber 10 a's distribution is more even to further guarantee the evenly distributed of thermal-insulated powder 15.
When the fireproof heat insulation blanket 10 is disposed on the cable 30, the cable 30 extends along the first direction, and the length of the fireproof heat insulation blanket 10 of the embodiment in the first direction is larger, so that the wrapping property is ensured in the second direction, and at the same time, the cable 30 can be partially and fully protected.
Referring to fig. 3, in an embodiment, the outer wall surfaces of two adjacent insulation cavities 10a enclose a pressure relief channel 10b, and the pressure relief channel 10b is disposed on a side of the first protection layer 11 or the second protection layer 13 away from the insulation cavities 10a.
In this embodiment, the two sides of the thermal insulation cavity 10a are the joints of the first protection layer 11 and the second protection layer 13, and there is a certain thickness difference with the middle part of the thermal insulation cavity 10a, so that the joints are formed with the pressure relief passages 10b, and it can be understood that the pressure relief passages 10b extend along the extending direction of the thermal insulation cavity 10a. When the fireproof heat insulation blanket 10 is wrapped on the cable 30, the inner wall of the pressure relief channel 10b is spaced from the cable 30 and can form a passage along the extending direction thereof, so that once an accident occurs, high temperature and high pressure generated by the cable 30 can be quickly dissipated through the pressure relief channel 10b, and a further buffering effect is achieved.
In an embodiment, the cross-sectional shape of the insulating cavity 10a along the second direction is circular, oval, triangular or square, which is not limited herein.
Referring to fig. 1, the present invention further proposes a cable structure 100, wherein the cable structure 100 comprises a cable 30 and/or a cable joint; and a fireproof heat insulating blanket 10, the specific structure of the fireproof heat insulating blanket 10 refers to the above embodiments, and the fireproof heat insulating blanket 10 is wrapped at the periphery of the cable 30 and/or the cable joint, because the cable structure 100 adopts all the technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
Among them, the fire-proof and heat-insulating blanket 10 of the present application is installed as follows:
step 1: coating the fireproof heat-insulating blanket 10 on the cable 30 or the cable joint to be protected;
step 2: the fire protection and heat insulation blanket 10 is fixed to the cable 30 or the cable joint using a non-magnetic steel band 50 or a band made of a fire-resistant material.
Optionally, the cable 30 extends in a first direction, and a plurality of fire protection and insulation blankets 10 are arranged side by side in the first direction to cover the cable 30.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A fire and heat insulating blanket, comprising:
a first protective layer;
the second protective layer is opposite to the first protective layer and is connected with the first protective layer and forms a plurality of mutually isolated heat insulation cavities in a surrounding manner with the first protective layer; and
and the heat insulation powder fills the heat insulation cavity.
2. A fire and heat protective blanket as in claim 1 wherein said heat insulating powder is aerogel powder.
3. The fire and heat protective blanket of claim 1 wherein said first protective layer is provided with at least two layers of first protective cloths, at least two layers of said first protective cloths being laminated;
and/or the second protective layer is provided with at least two layers of second protective cloth, and the at least two layers of second protective cloth are stacked.
4. The fire-resistant thermal insulating blanket of claim 3 wherein the first protective cloth is a ceramic silicon rubber cloth or a glass fiber cloth;
the second protective cloth is ceramic silicon rubber cloth or glass fiber cloth.
5. The fire and heat insulating blanket of claim 1, wherein said first protective layer and said second protective layer are sewn with fire-resistant thread to form a plurality of said heat insulating cavities.
6. A fire and heat protection blanket as claimed in claim 1, wherein the fire and heat protection blanket has a first direction and a second direction arranged at an angle to the first direction, the heat protection chamber is arranged to extend along the first direction, and a plurality of the heat protection chambers are arranged uniformly along the second direction.
7. A fire and heat insulating blanket as claimed in claim 6, wherein said first direction is perpendicular to said second direction, and the length of said fire and heat insulating blanket in said first direction is greater than the length of said fire and heat insulating blanket in said second direction.
8. A fireproof and heat insulation blanket as claimed in claim 6, wherein the outer wall surfaces of two adjacent heat insulation chambers enclose a pressure relief channel, and the pressure relief channel is provided on the side of the first protection layer and/or the second protection layer facing away from the heat insulation chambers.
9. A fire and heat protection blanket as claimed in claim 6, wherein the cross-sectional shape of the heat insulation cavity along the second direction is circular, elliptical, triangular or square.
10. A cable construction, characterized in that it comprises:
cables and/or cable joints; and
a fire and heat insulating blanket as claimed in any one of claims 1 to 9 wrapped around the cable and/or at the cable joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222195893.2U CN218471639U (en) | 2022-08-19 | 2022-08-19 | Fireproof heat insulation blanket and cable structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222195893.2U CN218471639U (en) | 2022-08-19 | 2022-08-19 | Fireproof heat insulation blanket and cable structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218471639U true CN218471639U (en) | 2023-02-10 |
Family
ID=85138061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222195893.2U Active CN218471639U (en) | 2022-08-19 | 2022-08-19 | Fireproof heat insulation blanket and cable structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218471639U (en) |
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2022
- 2022-08-19 CN CN202222195893.2U patent/CN218471639U/en active Active
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