CN210429395U - Heat dissipation type fireproof insulated cable - Google Patents
Heat dissipation type fireproof insulated cable Download PDFInfo
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- CN210429395U CN210429395U CN201921577768.XU CN201921577768U CN210429395U CN 210429395 U CN210429395 U CN 210429395U CN 201921577768 U CN201921577768 U CN 201921577768U CN 210429395 U CN210429395 U CN 210429395U
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Abstract
The utility model relates to a heat dissipation type fireproof insulated cable, which belongs to the technical field of cables and comprises a cable core part, a wrapping layer, an inner sheath, a first fireproof layer, an outer sheath and a fireproof coating layer from inside to outside, wherein the cable core part comprises a heat conduction insulator, a heat dissipation pipe, five fan-shaped wire cores, five flexible fillers and a second fireproof layer, the heat conduction insulator is in a pentagram shape, a round hole is arranged at the center of the heat conduction insulator, the heat dissipation pipe is arranged in the round hole in a laminating way, two half diameters of the fan-shaped wire cores are arranged in a laminating way with a concave surface of the heat conduction insulator, the heat conduction insulator protects the fan-shaped wire cores from mutual interference and transfers the heat generated during the work to the heat dissipation pipe, the heat dissipation of the cable is realized, the service life of the cable is prolonged, the flexible fillers are arranged between two adjacent fan-shaped wire cores and are arranged in the heat conduction insulator, the second fire-resistant layer is disposed at an outermost layer of the cable core to achieve a fire-resistant function of the cable core.
Description
Technical Field
The utility model relates to the technical field of cables, especially, relate to a heat dissipation type fire prevention insulated cable.
Background
Along with the rapid development of national economy, the quantity and the application range of power cable are bigger and bigger, at present, wire and cable have been widely applied in the fields of industrial production, transportation, building engineering and the like, just because of the application of cable in different fields, people's demand to cable improves gradually, current power cable generally adopts a plurality of sinle silks to directly wrap up in insulating material, there is not the interval between the adjacent sinle silks, lead to the in-process that different signals transmit in respective sinle silk can take place the interference phenomenon, corresponding fire-proof ability is also not enough simultaneously, lack the function of multilayer fire prevention, and when too high overheated unable heat dissipation of cable local temperature, very easily cause the heat to wear to hit, lead to cable destruction, and the security performance is poor, short service life scheduling problem.
In 2018, 10 and 30 months, a chinese patent with the name of "a high-strength flexible fireproof cable" and the application number of CN201821770881.5 discloses that an extrusion airbag is arranged between cable bodies, so that the cable bodies can be effectively protected from contact, but the contact area between the extrusion airbag and the cable bodies is small, the cable bodies cannot be shaped and supported, and the heat inside the extrusion airbag cannot be rapidly dissipated at a high temperature; therefore, it is necessary to provide a heat dissipation type fireproof insulated cable which is stable in operation and long in service life.
SUMMERY OF THE UTILITY MODEL
In view of the above circumstances, the utility model discloses mainly solve among the prior art cable working life not long, problem that fire-protection capability is not enough provides a heat dissipation type fire prevention insulated cable, through the cable core heat conduction insulator the fan-shaped sinle silk the cooling tube and the cooperation of first flame retardant coating has improved the working life of cable, has strengthened the fire-protection capability of cable.
To achieve the purpose, the heat dissipation type fireproof insulated cable provided by the utility model comprises a cable core part, a wrapping layer, an inner sheath, a first fireproof layer, an outer sheath and a fireproof coating layer from inside to outside, wherein the cable core part comprises a heat conduction insulator, a heat dissipation pipe, five fan-shaped wire cores, five flexible fillers and a second fireproof layer, the heat conduction insulator is in a pentagram shape, a round hole is arranged at the center of the heat conduction insulator, the heat dissipation pipe is arranged in the round hole in an attaching manner, two radiuses of the fan-shaped wire cores are arranged in an attaching manner with a concave surface of the heat conduction insulator, the heat conduction insulator protects the fan-shaped wire cores from mutual interference and can transfer heat generated when the fan-shaped wire cores work to the heat dissipation pipe, the working endurance and the service life of the heat dissipation type fireproof insulated cable in a high temperature state are improved, the flexible fillers are arranged between two adjacent fan-shaped wire cores, and set up in the heat conduction insulator, the second flame retardant coating sets up the outmost of cable core for realize the fire prevention function of cable core.
Preferably, the method comprises the following steps: the heat conducting insulator is heat conducting insulating elastic rubber. Be used for realizing the heat conduction function of fan-shaped sinle silk, and make by rubber and possess elasticity, can realize heat dissipation type fire prevention insulated cable's resistance to compression function prevents fan-shaped sinle silk extrudes each other.
Preferably, the method comprises the following steps: the second fireproof layer is a magnesium oxide filling body. Used for filling the cable core and has certain fireproof function.
Preferably, the method comprises the following steps: the inner sheath is an embossing copper sheath. The flexibility of the cable is improved by its embossing, while its unique shape also provides support for the first fire-blocking layer.
Further: the first fireproof layer comprises a diamond mud oxygen-isolating layer. Wide adaptability and high flame-retardant efficiency.
Further, the method comprises the following steps: the first fireproof layer further comprises a ceramic composite fireproof layer, and the ceramic composite fireproof layer is arranged between the diamond mud oxygen isolation layer and the outer sheath. Has excellent toughness, high temperature resistance and wear resistance.
Preferably, the method comprises the following steps: the wrapping layer is a flame-retardant alkali-free glass fiber tape. Has excellent performances of high flame retardance, oxygen insulation and fire insulation.
Preferably, the method comprises the following steps: the outer sheath is a TPE outer sheath. The cable is not easy to damage in a high-temperature environment.
Further: the fan-shaped wire core is provided with a conductor, a mica tape and an insulating layer from inside to outside, and the conductor is an oxygen-free copper conductor. The conductor is made of high-precision oxygen-free copper materials, has enough square thickness, low resistance and high-efficiency transmission, and is not easy to generate heat.
Further, the method comprises the following steps: the mica tape is a phlogopite glass fiber fireproof tape, is low in price, and has good electrical insulation and heat resistance, strong chemical resistance, mechanical property and the like.
The utility model has the advantages that: the utility model provides a heat dissipation type fire prevention insulated cable, it is by interior and outside including a cable core, one around covering, an inner sheath, a first flame retardant coating, an oversheath and a fireproof coating layer, cable core includes a heat conduction insulator, a cooling tube, five fan-shaped sinle silks, five flexible obturator and a second flame retardant coating. The heat-conducting insulator is in a pentagram shape, the heat-conducting insulator and the fan-shaped wire cores are attached to each other, on one hand, the fan-shaped wire cores can be effectively prevented from being contacted, and mutual interference of the fan-shaped wire cores is avoided, and on the other hand, the heat-conducting insulator can achieve a better supporting and shaping protection effect on the fan-shaped wire cores by increasing the contact area of the fan-shaped wire cores and the heat-conducting insulator; meanwhile, the heat conducting insulator is matched with the radiating pipe, so that heat generated when the fan-shaped wire cores work is more quickly transmitted to the radiating pipe by utilizing the heat conductivity of the heat conducting insulator, the radiating pipe is used for realizing the internal heat radiation of the cable core part, the stable work of the heat radiation type fireproof insulated cable in a high-temperature state is ensured, and the service life of the heat radiation type fireproof insulated cable is prolonged; the flexible filling body is arranged, so that the toughness and the flexibility of the heat-dissipation type fireproof insulated cable are ensured; and finally, the second fireproof layer is matched with the first fireproof layer and the fireproof coating layer, so that the overall fireproof effect of the heat dissipation type fireproof insulated cable is improved.
Drawings
Fig. 1 is a schematic structural view of a heat dissipation type fireproof insulated cable provided by the present invention;
in the figure: 1-fan-shaped wire core, 11-conductor, 12-mica tape, 13-insulating layer, 2-heat conducting insulator, 3-radiating pipe, 4-flexible filler, 5-second fireproof layer, 6-wrapping layer, 7-inner sheath, 8-first fireproof layer, 81-diamond mud oxygen isolation layer, 82-ceramic composite fireproof layer, 9-outer sheath and 10-fireproof coating layer.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.
Examples
Referring to fig. 1, the heat dissipation type fireproof insulated cable provided by the present embodiment includes, from inside to outside, a cable core, a wrapping layer 6, an inner sheath 7, a first fireproof layer 8, an outer sheath 9, and a fireproof paint layer 10.
Referring to fig. 1, the cable core portion includes a heat conductive insulator 2, a heat dissipating pipe 3, five fan-shaped wire cores 1, five flexible fillers 4, and a second fire-proof layer 5.
Referring to fig. 1, the heat conducting insulator 2 is shaped like a five-pointed star, and a circular hole is disposed at the center of the heat conducting insulator 2, and the heat conducting insulator 2 may be made of an elastic material, preferably: the heat conduction insulator 2 is heat conduction insulation elastic rubber, is used for realizing the heat conduction function of the fan-shaped wire core 1, is made of rubber, has elasticity, and can realize the compression resistance function of the heat dissipation type fireproof insulated cable, and prevents the fan-shaped wire core 1 from being extruded mutually.
Referring to fig. 1, the heat dissipation pipe 3 is attached to the heat conductive insulator 2 in the round hole, that is, the heat dissipation pipe 3 is disposed at the center of the heat dissipation type fireproof insulated cable, so as to achieve heat dissipation inside the cable core portion.
Referring to fig. 1, the fan-shaped wire core 1 comprises 5 wires, two radii of the fan-shaped wire core 1 are attached to a concave surface of the heat conducting insulator 2, namely, each fan-shaped wire core 1 is respectively arranged between two corners of the heat conducting insulator 2 in a pentagram shape, the concave surface is formed between the two corners, it can be known that 5 fan-shaped wire cores 1 are respectively arranged at each concave surface, so that the fan-shaped wire cores 1 can be arranged in the largest area, the contact area of the fan-shaped wire core 1 and the heat conducting insulator 2 is increased, so that the heat conducting insulator 2 can realize better supporting function, the heat conducting insulator 2 protects the fan-shaped wire cores 1 from mutual interference and can transfer heat generated when the fan-shaped wire cores 1 work to the radiating pipe 3, so that the durability of the fan-shaped wire cores 1 in a high-temperature state is improved, and the service life of the fan-shaped wire cores 1 is prolonged; further: the fan-shaped wire core 1 is provided with a conductor 11, a mica tape 12 and an insulating layer 13 from inside to outside, the conductor 11 is an oxygen-free copper conductor, the conductor 11 is made of high-precision oxygen-free copper material and has enough square thickness, low resistance, high-efficiency transmission and difficult heating, and the mica tape 12 is a phlogopite glass fiber fire-resistant tape which is low in price, has good electrical insulation and heat resistance, strong chemical resistance, mechanical property and the like; the stability of this cable when the effectual assurance power transmission of insulating layer 13 prevents that each fan-shaped sinle silk 1 from taking place the condition emergence of electric power leakage and short circuit.
Referring to fig. 1, 5 flexible fillers 4 are disposed between the two fan-shaped cores 1 and at the position of the pentagonal corner of the heat conductive insulator 2, which improves the toughness and flexibility of the heat dissipation type fireproof insulated cable.
Referring to fig. 1, the second fireproof layer 5 is disposed at the outermost layer of the cable core, and is filled in the gap of the cable core to realize the fireproof function of the cable core, and the second fireproof layer 5 may be a magnesium oxide layer, which has a good fireproof and flame retardant effect.
Referring to fig. 1, the wrapping layer 6 is a flame-retardant alkali-free glass fiber tape. Has excellent performances of high flame retardance, oxygen insulation and fire insulation.
Referring to fig. 1, the inner sheath 7 is an embossed copper sheath. By its embossing, the flexibility of the cable is improved, while its unique embossing characteristics also provide support for the diamond mud oxygen barrier 81 to prevent the diamond mud oxygen barrier 81 from detaching from the inner sheath 7.
Referring to fig. 1, the first fireproof layer 8 comprises a diamond mud oxygen-insulating layer 81 and a ceramic composite fireproof layer 82 from inside to outside, the diamond mud oxygen-insulating layer 81 has wide adaptability and high flame retardant efficiency, and the ceramic composite fireproof layer 82 has excellent toughness, high temperature resistance and wear resistance. In case of fire, the first fireproof layer 8 functions as: the ceramic composite fireproof layer 82 is made of easy-to-sinter pottery clay, and when the ceramic composite fireproof layer is subjected to high temperature, the pottery clay is rapidly sintered to form a pottery pipe for protecting the heat-dissipation type fireproof insulated cable, open fire is isolated, the fire is prevented from spreading to the interior of the heat-dissipation type fireproof insulated cable, the normal operation of the heat-dissipation type fireproof insulated cable under special conditions is ensured, and reliable support is provided for subsequent emergency treatment; when the intensity of a fire is great, even there is partial heat to see through inside the pottery pipe gets into the cable, nevertheless because diamond mud separates oxygen layer 81 with 7 layers of inner sheath have high fire resistance, the speed of high temperature invasion that delays that can be very big prevents the cable core portion is on fire.
Referring to fig. 1, the outer jacket 9 is a TPE outer jacket. The cable is not easy to damage in a high-temperature environment.
The heat dissipation type fireproof insulated cable provided by the embodiment comprises a cable core part, a wrapping layer 6, an inner sheath 7, a first fireproof layer 8, an outer sheath 9 and a fireproof coating layer 10 from inside to outside, wherein the cable core part comprises a heat conduction insulator 2, a heat dissipation pipe 3, five fan-shaped wire cores 1, five flexible filling bodies 4 and a second fireproof layer 5, the heat conduction insulator 2 is in a five-pointed star shape, two radiuses of the fan-shaped wire cores 1 are attached to the concave surfaces of the heat conduction insulator 2, the heat conduction insulator 2 is used for separating the fan-shaped wire cores 1, mutual interference of the fan-shaped wire cores 1 is avoided, meanwhile, the heat conduction insulator 2 can achieve better supporting and protecting effects on the fan-shaped wire cores 1 through increasing the contact area of the heat conduction insulator 2, and the heat conduction insulator 2 can enable the cable to transfer the heat generated when the fan-shaped wire cores 1 work to the cable more quickly The radiating pipe 3 is used for realizing internal heat radiation of the cable core part, so that the service life of the heat radiation type fireproof insulated cable in a high-temperature state is prolonged; the flexible filling body 4 is positioned between the two fan-shaped wire cores 1 and arranged in the heat-conducting insulator 2, so that the toughness and flexibility of the heat-dissipation type fireproof insulated cable are improved; when a fire disaster occurs, the fireproof coating layer 10 can primarily protect the heat dissipation type fireproof insulated cable, when the heat dissipation type fireproof insulated cable is damaged, the ceramic composite fireproof layer 82 of the first fireproof layer 8 is subjected to high temperature, and the ceramic clay is rapidly sintered to form a ceramic pipe for protecting the heat dissipation type fireproof insulated cable, so that open fire is isolated, the fire is prevented from spreading to the inside of the heat dissipation type fireproof insulated cable, the normal operation of the heat dissipation type fireproof insulated cable is ensured under special conditions, and secondary protection is provided; when the fire is great, even if partial heat enters the cable through the ceramic pipe, the diamond mud oxygen barrier layer 81 and the inner sheath 7 of the first fireproof layer 8 have high flame retardance, so that the high-temperature invasion speed can be greatly delayed, the cable core part is prevented from being ignited, and third protection is provided; when this cable continuously suffers from the fire and toasts, cable core portion the second flame retardant coating 5 can guarantee cable core portion's fire prevention, it provides fourth protection, simultaneously fan-shaped sinle silk 1 mica tape 12 can be isolated outside high temperature, the protection fan-shaped sinle silk 1 conductor 11 does not receive the damage, and it provides fifth protection, second flame retardant coating 5 first flame retardant coating 8 and fire prevention dope layer 10 work in coordination, improved heat dissipation type fire prevention insulated cable's whole fire prevention effect.
The above description is only for the specific embodiments of the present invention, but it should be understood by those skilled in the art that the present invention is only by way of example, and the scope of the present invention is defined by the appended claims. Therefore, the equivalent changes made in the claims of the present invention still belong to the scope covered by the present invention.
Claims (10)
1. The utility model provides a heat dissipation type fireproof insulated cable which characterized in that: it is by interior and outside including a cable core, one around covering, an inner sheath, a first flame retardant coating, an oversheath and a fireproof coating layer, cable core portion includes a heat conduction insulator, a cooling tube, five fan-shaped sinle silks, five flexible packing and a second flame retardant coating, the heat conduction insulator is the pentagram form, and its central department is provided with a round hole, the cooling tube laminating sets up in the round hole, two radiuses of fan-shaped sinle silks with the laminating of a concave surface department of heat conduction insulator sets up, flexible packing is located two adjacent between the fan-shaped sinle silks, and set up in the heat conduction insulator, the second flame retardant coating sets up the outmost of cable core.
2. The heat dissipation type fireproof insulated cable according to claim 1, wherein: the heat conducting insulator is heat conducting insulating elastic rubber.
3. The heat dissipation type fireproof insulated cable according to claim 1, wherein: the second fireproof layer is a magnesium oxide filling body.
4. The heat dissipation type fireproof insulated cable according to claim 1, wherein: the inner sheath is an embossing copper sheath.
5. The heat dissipation type fireproof insulated cable of claim 4, wherein: the first fireproof layer comprises a diamond mud oxygen-isolating layer.
6. The heat dissipation type fireproof insulated cable of claim 5, wherein: the first fireproof layer further comprises a ceramic composite fireproof layer, and the ceramic composite fireproof layer is arranged between the diamond mud oxygen isolation layer and the outer sheath.
7. The heat dissipation type fireproof insulated cable according to claim 1, wherein: the wrapping layer is a flame-retardant alkali-free glass fiber tape.
8. The heat dissipation type fireproof insulated cable according to claim 1, wherein: the outer sheath is a TPE outer sheath.
9. The heat dissipation type fireproof insulated cable according to any one of claims 1 to 8, wherein: the fan-shaped wire core comprises a conductor, a mica tape and an insulating layer from inside to outside, wherein the conductor is an oxygen-free copper conductor.
10. The heat dissipation type fireproof insulated cable of claim 9, wherein: the mica tape is a phlogopite glass fiber fireproof tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921577768.XU CN210429395U (en) | 2019-09-20 | 2019-09-20 | Heat dissipation type fireproof insulated cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921577768.XU CN210429395U (en) | 2019-09-20 | 2019-09-20 | Heat dissipation type fireproof insulated cable |
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| CN210429395U true CN210429395U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921577768.XU Active CN210429395U (en) | 2019-09-20 | 2019-09-20 | Heat dissipation type fireproof insulated cable |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114864167A (en) * | 2022-04-12 | 2022-08-05 | 张莉 | Resistance to compression fireproof cable |
| CN114937527A (en) * | 2022-05-30 | 2022-08-23 | 安徽顺信线缆有限公司 | Novel high environmental protection and energy saving fireproof cable |
| WO2023159683A1 (en) * | 2022-02-25 | 2023-08-31 | 江苏俊知技术有限公司 | Self-heat dissipating flexible cable for communication power supply and manufacturing method therefor |
-
2019
- 2019-09-20 CN CN201921577768.XU patent/CN210429395U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023159683A1 (en) * | 2022-02-25 | 2023-08-31 | 江苏俊知技术有限公司 | Self-heat dissipating flexible cable for communication power supply and manufacturing method therefor |
| CN114864167A (en) * | 2022-04-12 | 2022-08-05 | 张莉 | Resistance to compression fireproof cable |
| CN114864167B (en) * | 2022-04-12 | 2024-05-24 | 新疆新卓达电线电缆有限公司 | Compression-resistant fireproof cable |
| CN114937527A (en) * | 2022-05-30 | 2022-08-23 | 安徽顺信线缆有限公司 | Novel high environmental protection and energy saving fireproof cable |
| CN114937527B (en) * | 2022-05-30 | 2024-01-26 | 安徽顺信线缆有限公司 | Novel high environmental protection energy-saving fireproof cable |
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