CN206179590U - High -temperature early warning cable - Google Patents
High -temperature early warning cable Download PDFInfo
- Publication number
- CN206179590U CN206179590U CN201621311224.5U CN201621311224U CN206179590U CN 206179590 U CN206179590 U CN 206179590U CN 201621311224 U CN201621311224 U CN 201621311224U CN 206179590 U CN206179590 U CN 206179590U
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- Prior art keywords
- layer
- cable
- heat
- early warning
- high temperature
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Abstract
The utility model discloses a high -temperature early warning cable, including cable core and protective sheath, the cable core is formed by three power cables and a temperature measurement optical fiber transposition that is connected with external alarm sensor, and a graphite alkene thermal film is wrapped up in in each power cable outsourcing, the protective sheath includes insulating cover of heat -conduction insulation layer, carbon fiber shielding layer, flame retardant coating, crosslinked polyethylene and high -temperature discolouration coating, still is equipped with between the insulating embedded heat radiation protection layer that is equipped with of cover of crosslinked polyethylene, carbon fiber shielding layer and heat radiation protection layer and radially passes the flame retardant coating and correspond the thermally conductive particle filling layer that the crosslinked polyethylene insulation is overlapped. The utility model discloses a graphite alkene thermal film, heat -conduction insulation layer, carbon fiber shielding layer, thermally conductive particle filling layer and heat radiation protection layer are showing promotion heat dispersion for the inside heat of cable core conducts to the protective sheath outerly fast, and the early warning is carried out to the cable thermal conditions to rethread high -temperature discolouration coating, carries out real time monitoring and activate the alarm when exceeding the settlement level through temperature measurement optical fiber to cable core inside thermal conditions simultaneously.
Description
Technical field
The utility model is related to cable product technical field, more particularly to a kind of high temperature early warning cable.
Background technology
Cable is the device of a kind of conventional signal transmission and current lead-through, and it is widely used in each technical field,
The cable of prior art is made up of the cable heart and outer cladding protective layer mostly, electric although it can realize the function of cable
The thermal conductivity of the insulated part of cable and outer protection part is limited, does not reach the purpose of quick heat radiating, and core is long-term at 90 DEG C
During work, crosslinked cable load is raised, and core temperature is raised, cable heated expansion, and cable is easily caused when using for a long time certainly
Combustion, so it is dangerous to increased using for cable.And traditional detection cable fault typically uses electric induction type detector
Carry out automatic alarm and prevent the dangerous situations such as fire, but it can only can just sense report when accident occurs and causes certain consequence
It is alert, it is impossible to play a part of generation of preventing accident.
Utility model content
It is the technological deficiency for overcoming prior art to exist, the utility model provides a kind of high temperature early warning cable, with good
Heat dispersion and high temperature early warning can be carried out with generation of preventing accident.
The utility model use technical solution be：
A kind of high temperature early warning cable, including cable core, protective case and dense packing effect are arranged on filling out between protective case and cable core
Fill layer, the cable core is formed by three power cables and temperature-measuring optical fiber are stranded, and the temperature-measuring optical fiber is located at three power lines
The center of cable is simultaneously connected with external alarm host machine, and wraps up a layer graphene heat dissipation film outside each power cable respectively；It is described
Protective case includes thermally conductive insulating layer, carbon fiber shielding layer, flame retardant coating, crosslinked polyetylene insulated set and is coated in crosslinked polyethylene
High-temperature discoloration coating outside insulation sleeve, is embedded with heat radiation protection layer, the carbon fiber shielding in the crosslinked polyetylene insulated set
The heat conduction particle packed layer radially across flame retardant coating and corresponding crosslinked polyetylene insulated set is additionally provided between layer and heat radiation protection layer.
Preferably, the packed layer is alkali-free glass fibre packed layer.
Preferably, each power cable by power conductor, it is three-layer co-extruded be extruded in the external conductor shield of power guide,
Insulating barrier, insulation screen and the metal screen layer being extruded in outside insulation screen are constituted.
Preferably, the thermally conductive insulating layer is aluminium powder heat conductive rubber material, and the flame retardant coating is synthetic mica tape.
Preferably, the heat conduction particle packed layer is aluminum oxide heat conductive rubber particle, heat-conducting cream or heat-conducting silicone grease particle.
Preferably, the high-temperature discoloration coating is that thickness is the irreversibility heat indicating paint of 0.6mm~1.0mm.
Preferably, the heat radiation protection layer includes many mutually stranded metallic cables, the cross sectional shape of each metallic cable
It is radially and tangentially in " 8 " font structure of non-perpendicular state with crosslinked polyetylene insulated set.
The beneficial effects of the utility model：Due to having a temperature measuring optical being connected with external alarm host machine in cable core
Fibre, carries out monitor in real time to the hot situation in cable core inside and starts alarm when more than setting level by the temperature-measuring optical fiber, reduces
Loss；Again due to being externally provided with Graphene heat dissipation film in each power cable, each power cable is accelerated by Graphene heat dissipation film and is produced
The speed that raw heat is transmitted outward, and can be by the thermally conductive insulating layer of protective case, carbon fiber shielding layer, heat conduction particle packed layer
And heat radiation protection layer greatly enhances the heat of cable core inside generation to external diffusion conduction efficiency, is obviously improved the utility model protection
The heat dispersion of set so that cable core internal heat is quickly conducted to protective case outer layer in time, then by high-temperature discoloration coating to not
Synthermal level is presented different color reactions, then carries out early warning according to the color hot situation current to cable, intuitively just
It is prompt.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the partial enlarged drawing of A shown in Fig. 1.
Fig. 3 is the utility model power cable structure schematic diagram.
Description of reference numerals：
10th, power cable；11st, conductor shield；12nd, insulating barrier；13rd, insulation screen；14th, metal screen layer；15th, stone
Black alkene heat dissipation film；20th, temperature-measuring optical fiber；31st, thermally conductive insulating layer；32nd, carbon fiber shielding layer；33rd, flame retardant coating；34th, crosslinked polyethylene
Insulation sleeve；35th, heat radiation protection layer；36th, heat conduction particle packed layer；37th, high-temperature discoloration coating.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As Figure 1-3, the present embodiment provides a kind of high temperature early warning cable, including cable core, protective case and dense packing effect set
The packed layer between protective case and cable core is put, the packed layer is alkali-free glass fibre packed layer.
In the present embodiment, the cable core is formed by three power cables 10 and temperature-measuring optical fiber 20 are stranded, the survey
Warm optical fiber 20 is located at three centers of power cable 10 and is connected with external alarm host machine, and each power cable 10 is outer respectively
A layer graphene heat dissipation film 15 is wrapped up, the heat accelerated produced by each power cable 10 by Graphene heat dissipation film 15 is transmitted outward
Speed, and monitor in real time can be carried out to the hot situation in cable core inside by the temperature-measuring optical fiber 20 and be opened when more than setting level
Dynamic alarm, reduces loss, can be specifically distributed using the LY-DTS of the electric Science and Technology Ltd.'s independent researches of the green Yang Zhihui in Ningbo
Formula optical fiber temperature measurement host.
In the present embodiment, each power cable 10 by power conductor, three-layer co-extruded be extruded in that power guide is external to lead
Body screen layer 11, insulating barrier 12, insulation screen 13 and the metal screen layer 14 being extruded in outside insulation screen 13 are constituted, and are adopted
With three-layer co-extruded, extrude quality good precipitate and oxide without conductor shielding and inner shield is difficult scratch, it is ensured that cable is excellent
Different insulation and mechanical performance.Preferably, the metal screen layer 14 is wrapped using anaerobic soft copper band overlap, holds under normal circumstances
The circulation of capacitance current is carried on a shoulder pole, in short circuit（Failure）When but also as short circuit current passage, and shield electric field reduce to temperature measuring optical
Fine 20 electromagnetic interference, and it is uniformly distributed radial electric field.
In the present embodiment, the protective case includes thermally conductive insulating layer 31, carbon fiber shielding layer 32, flame retardant coating 33, crosslinking
Polyethylene insulation set 34 and the high-temperature discoloration coating 37 being coated in outside crosslinked polyetylene insulated set 34, the crosslinked polyethylene are exhausted
Heat radiation protection layer 35 is embedded with edge set 34, be additionally provided between carbon fiber shielding layer 32 and heat radiation protection layer 35 radially across
The heat conduction particle packed layer 36 of flame retardant coating 33 and the crosslinked polyetylene insulated set 34 of correspondence, by thermally conductive insulating layer 31, carbon fiber screen
Covering layer 32, heat conduction particle packed layer 36 and heat radiation protection layer 35 can greatly enhance the heat of cable core inside generation to external diffusion conduction
Efficiency, is obviously improved the heat dispersion of the present embodiment protective case.
In the present embodiment, the thermally conductive insulating layer 31 is aluminium powder heat conductive rubber material, and the flame retardant coating 33 is synthesis cloud
Master tape, the heat conduction particle packed layer 36 is aluminum oxide heat conductive rubber particle, heat-conducting cream or heat-conducting silicone grease particle.The high temperature becomes
Color coating 37 is that thickness is the irreversibility heat indicating paint of 0.6mm~1.0mm, and high-temperature discoloration coating 37 can be in different temperatures level
Existing different color reaction, then carries out early warning according to the color hot situation current to cable, directly perceived convenient.
In the present embodiment, the heat radiation protection layer 35 includes many mutually stranded metallic cables, each metallic cable
Cross sectional shape is radially and tangentially in " 8 " font structure of non-perpendicular state, the present embodiment with crosslinked polyetylene insulated set 34
Heat radiation protection layer 35 has the effect of armouring protection, combines more firm between crosslinked polyetylene insulated set 34, while passing through
Metallic cable faster can outwards dissipate heat, when cable dissipates distortion or bends, this knot of heat radiation protection layer 35
Structure is more conducive to the distortion or bending of cable.
The general principle and principal character and advantages of the present invention of the invention has been shown and described above, the industry
Technical staff it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification only
It is to illustrate principle of the present utility model, on the premise of the invention spirit and scope are not departed from, the utility model also has
Various changes and modifications, these changes and improvements are both fallen within the range of claimed the utility model, the utility model requirement
Protection domain is by appending claims and its equivalent thereof.
Claims (7)
1. a kind of high temperature early warning cable, including cable core, protective case and dense packing effect are arranged on the filling between protective case and cable core
Layer, it is characterised in that the cable core is formed by three power cables and temperature-measuring optical fiber are stranded, and the temperature-measuring optical fiber is located at three
The center of root power cable is simultaneously connected with external alarm host machine, and wraps up layer graphene radiating outside each power cable respectively
Film；The protective case includes thermally conductive insulating layer, carbon fiber shielding layer, flame retardant coating, crosslinked polyetylene insulated set and is coated in friendship
High-temperature discoloration coating outside connection polyethylene insulation set, is embedded with heat radiation protection layer, the carbon in the crosslinked polyetylene insulated set
The heat conduction radially across flame retardant coating and corresponding crosslinked polyetylene insulated set is additionally provided between fiber screen layer and heat radiation protection layer
Grain packed layer.
2. high temperature early warning cable according to claim 1, it is characterised in that the packed layer is alkali-free glass fibre filling
Layer.
3. high temperature early warning cable according to claim 1, it is characterised in that each power cable is by power conductor, three
Layer co-extrusion is extruded in the external conductor shield of power guide, insulating barrier, insulation screen and is extruded in outside insulation screen
Metal screen layer is constituted.
4. high temperature early warning cable according to claim 1, it is characterised in that the thermally conductive insulating layer is aluminium powder heat conductive rubber
Material, the flame retardant coating is synthetic mica tape.
5. high temperature early warning cable according to claim 1, it is characterised in that the heat conduction particle packed layer is led for aluminum oxide
Hot rubber grain, heat-conducting cream or heat-conducting silicone grease particle.
6. high temperature early warning cable according to claim 1, it is characterised in that the high-temperature discoloration coating is for thickness
The irreversibility heat indicating paint of 0.6mm~1.0mm.
7. the high temperature early warning cable according to any one of claim 1 to 6, it is characterised in that the heat radiation protection layer includes
Many mutually stranded metallic cables, the cross sectional shape of each metallic cable is to be in radially and tangentially with crosslinked polyetylene insulated set
" 8 " font structure of non-perpendicular state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621311224.5U CN206179590U (en) | 2016-12-02 | 2016-12-02 | High -temperature early warning cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621311224.5U CN206179590U (en) | 2016-12-02 | 2016-12-02 | High -temperature early warning cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206179590U true CN206179590U (en) | 2017-05-17 |
Family
ID=60242230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621311224.5U Expired - Fee Related CN206179590U (en) | 2016-12-02 | 2016-12-02 | High -temperature early warning cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206179590U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107163531A (en) * | 2017-06-23 | 2017-09-15 | 芜湖航天特种电缆厂股份有限公司 | Outdoor high-intensity composite cable insulating materials and preparation method thereof |
| CN108511116A (en) * | 2018-03-08 | 2018-09-07 | 常州大学 | A kind of hydrate temperature control heat dissipation low-voltage cable |
| CN108735374A (en) * | 2018-04-26 | 2018-11-02 | 嘉兴奥亿普数据电缆有限公司 | A kind of instant local temperature control cable |
| CN111261339A (en) * | 2020-01-22 | 2020-06-09 | 南方电网科学研究院有限责任公司 | Cable processing method |
| CN112735663A (en) * | 2020-12-30 | 2021-04-30 | 武汉市江华电线电缆有限责任公司 | High-temperature-resistant double-layer polyvinyl chloride wire insulated cable and preparation method thereof |
| CN112951503A (en) * | 2021-02-01 | 2021-06-11 | 吉安音妍电子科技有限公司 | Flame-retardant fire-resistant copper-aluminum alloy cable for communication facilities and processing method thereof |
| CN113488265A (en) * | 2021-06-15 | 2021-10-08 | 安徽凌宇电缆科技有限公司 | Mining cable with compression resistance function |
| CN113990564A (en) * | 2021-10-15 | 2022-01-28 | 上海金友金弘智能电气股份有限公司 | Electric wire and cable for new energy automobile and preparation method thereof |
-
2016
- 2016-12-02 CN CN201621311224.5U patent/CN206179590U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107163531A (en) * | 2017-06-23 | 2017-09-15 | 芜湖航天特种电缆厂股份有限公司 | Outdoor high-intensity composite cable insulating materials and preparation method thereof |
| CN108511116A (en) * | 2018-03-08 | 2018-09-07 | 常州大学 | A kind of hydrate temperature control heat dissipation low-voltage cable |
| CN108511116B (en) * | 2018-03-08 | 2020-03-20 | 常州大学 | Hydrate temperature control heat dissipation low tension cable |
| CN108735374A (en) * | 2018-04-26 | 2018-11-02 | 嘉兴奥亿普数据电缆有限公司 | A kind of instant local temperature control cable |
| CN111261339A (en) * | 2020-01-22 | 2020-06-09 | 南方电网科学研究院有限责任公司 | Cable processing method |
| CN112735663A (en) * | 2020-12-30 | 2021-04-30 | 武汉市江华电线电缆有限责任公司 | High-temperature-resistant double-layer polyvinyl chloride wire insulated cable and preparation method thereof |
| CN112951503A (en) * | 2021-02-01 | 2021-06-11 | 吉安音妍电子科技有限公司 | Flame-retardant fire-resistant copper-aluminum alloy cable for communication facilities and processing method thereof |
| CN113488265A (en) * | 2021-06-15 | 2021-10-08 | 安徽凌宇电缆科技有限公司 | Mining cable with compression resistance function |
| CN113990564A (en) * | 2021-10-15 | 2022-01-28 | 上海金友金弘智能电气股份有限公司 | Electric wire and cable for new energy automobile and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170517 Termination date: 20191202 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |