CN206179580U - Safe early warning cable - Google Patents
Safe early warning cable Download PDFInfo
- Publication number
- CN206179580U CN206179580U CN201621295430.1U CN201621295430U CN206179580U CN 206179580 U CN206179580 U CN 206179580U CN 201621295430 U CN201621295430 U CN 201621295430U CN 206179580 U CN206179580 U CN 206179580U
- Authority
- CN
- China
- Prior art keywords
- layer
- cable core
- power cable
- early warning
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model discloses a safe early warning cable, lag including power cable core and parcel power cable core still includes phase change material filling layer, temperature sensing detection mechanism and the thalposis mechanism that puts out a fire, temperature sensing detection mechanism is located the inside central point of lag and puts the department, the mechanism is put out a fire around wrapping outside temperature sensing detection mechanism to power cable core and thalposis, lag parcel power cable core, temperature sensing detection mechanism and the thalposis mechanism that puts out a fire, the setting of phase change material filling layer is in outer, the power cable core of lag inlayer, temperature sensing detection mechanism and the thalposis clearance department between the mechanism that puts out a fire, temperature sensing detection mechanism external power supply and alarm. The utility model discloses having good heat dissipation cooling, can effectively reducing the transient state temperature rise and the stable state temperature rise of cable, automatic fire extinguishing when having unusual warning simultaneously and taking place the condition of a fire reduces the loss, guarantees the circuit and normally works.
Description
Technical field
The utility model is related to cable product technical field, more particularly to a kind of safe 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.In addition, sometimes also due to the condition of a fire from Exterior cable causes electric cable heating to burn.Therefore, some cables have fire
Calamity is alarmed or running temperature abnormal alarm function, but when staff obtains fire alarm and is on the scene, needs certain hour,
During this period of time put out in time because cable can not be accessed, cause fire to still carry out, power circuit cisco unity malfunction.
Utility model content
It is the technological deficiency for overcoming prior art to exist, the utility model provides a kind of safe early warning cable, with good
Radiating and cooling function, can effectively reduce the transient state temperature rise and stable state temperature rise of cable, at the same have abnormal alarm and occur the condition of a fire
When self-extinguishing, reduce loss, it is ensured that circuit normal work.
The utility model use technical solution be：
A kind of safe early warning cable, including electric power cable core and parcel electric power cable core protective jacket, also filled out including phase-change material
Layer, temperature-sensitive testing agency and warming fire suppression mechanism are filled, the temperature-sensitive testing agency is located at protective jacket inner hub location, described
Electric power cable core and warming fire suppression mechanism are wrapped outside temperature-sensitive testing agency, the protective jacket parcel electric power cable core, temperature-sensitive detection machine
Structure and warming fire suppression mechanism, the phase-change material packed layer are arranged on protective jacket internal layer, temperature-sensitive testing agency outer layer, electric power cable core
And the gap location between warming fire suppression mechanism, temperature-sensitive testing agency external power supply and alarm.
Preferably, the temperature-sensitive testing agency include heat-conducting insulating silicon rubber layer and positioned at heat-conducting insulating silicon rubber layer in and
Two conductors being separated by by thermal resistor layer.
Preferably, the thermal resistor layer is NTC thermistor.
Preferably, the phase-change material packed layer is Organic composite phase change material.
Preferably, the Organic composite phase change material is paraffinic base enhanced thermal conduction type composite phase-change energy storage material.
Preferably, the warming fire suppression mechanism is the PVC sleeve pipes built with powder extinguishing agent.
Preferably, the protective jacket is from inside to outside sequentially provided with insulating barrier, screen layer and restrictive coating, the restrictive coating and screen
Cover and be provided with aramid fiber refractory layer between layer.
The beneficial effects of the utility model：Because electric power cable core and warming fire suppression mechanism are wrapped outside temperature-sensitive testing agency,
Temperature-sensitive testing agency can receive the heat from each electric power cable core the very first time and respond, when electric power cable core overload, it is short
Its temperature exceedes normal operating temperature when road or damage, and the resistance straight line of thermal resistor layer declines to form conductor so that control back
Road connection produces electric signal, starts alarm equipment alarm, notifies that related personnel takes counter-measure in time；Again due in protective jacket
Electric power cable core is externally provided with warming fire suppression mechanism, and when cable temperature is too high or fire occurs, warming fire suppression mechanism expanded by heating is extremely
Burst so that the powder extinguishing agent in it can be attached to burning things which may cause a fire disaster surface, prevent the intensity of a fire, reach the purpose of fire extinguishing, can effectively control
Burning things which may cause a fire disaster, it is ensured that the normal work of circuit.Further, since being filled with phase-change material packed layer in protective jacket, increasing thermal conductivity
While, packed layer thermal resistance being reduced, using the big advantage of Phase cooling thermal capacity, the transient state temperature rise of cable can be effectively reduced
With stable state temperature rise, so as to prevent cable from circulating the thermal breakdown that hot-spot is caused for a long time, effectively delay the heat ageing of protective jacket, prevent
Only hot-spot, effectively increases the service life, and reaches the overload capacity of significantly lifting current-carrying capacity of cable and cable, energy-saving ring
Protect, the need for cable can be met under various circumstances using phase transformation auto-control temperature.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model temperature-sensitive testing agency structural representation.
Description of reference numerals：
10th, electric power cable core；20th, warming fire suppression mechanism；30th, temperature-sensitive testing agency；31st, heat-conducting insulating silicon rubber layer；32nd, heat
Quick resistive layer；33rd, conductor；40th, phase-change material packed layer；51st, insulating barrier；52nd, screen layer；53rd, aramid fiber refractory layer；54th, sheath
Layer.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1-2, the present embodiment provides a kind of safe early warning cable, including protective jacket, electric power cable core 10, phase transformation material
Material packed layer 40, temperature-sensitive testing agency 30 and warming fire suppression mechanism 20, the temperature-sensitive testing agency 30 are located in protective jacket inside
At heart position, the electric power cable core 10 and warming fire suppression mechanism 20 are wrapped outside temperature-sensitive testing agency 30, the protective jacket parcel
Electric power cable core 10, temperature-sensitive testing agency 30 and warming fire suppression mechanism 20, the phase-change material packed layer 40 are arranged in protective jacket
Layer, the outer layer of temperature-sensitive testing agency 30, the gap location between electric power cable core 10 and warming fire suppression mechanism 20, the temperature-sensitive testing agency
30 external power supplys and alarm.
In the present embodiment, the temperature-sensitive testing agency 30 includes heat-conducting insulating silicon rubber layer 31 and positioned at heat-conducting insulating silicon
Two conductors 33 being separated by rubber layer 31 and by thermal resistor layer 32, the thermal resistor layer 32 is NTC thermistor.Cable
In normal operation, thermal resistor layer 32 is in state of insulation, and two conductors 33 not intercommunication, control loop is not connected；Work as electric power
Cable core 10 overloads, short circuit or its temperature exceedes normal operating temperature when damaging, and the resistance straight line of NTC thermistor declines to be formed leads
Body so that two conductors 33 are connected, control loop connection produces electric signal, starts alarm equipment alarm, notifies that related personnel is timely
Take counter-measure.
In the present embodiment, the electric power cable core 10 is provided with three, and the warming fire suppression mechanism 20 is that three difference are built-in
There are the PVC sleeve pipes of powder extinguishing agent, a PVC sleeve pipe is set between each two electric power cable core 10, when there is fire, PVC sleeve pipes
To bursting, the powder extinguishing agent in final filling pipe can be attached to burning things which may cause a fire disaster surface to the continuous expanded by heating of meeting, prevent the intensity of a fire, reach and go out
The purpose of fire, can effectively control burning things which may cause a fire disaster, it is ensured that the normal work of circuit.
In the present embodiment, the phase-change material packed layer 40 is Organic composite phase change material, the organic composite phase transformation
Material is paraffinic base enhanced thermal conduction type composite phase-change energy storage material, while increasing heat conductivility, reducing packed layer thermal resistance, profit
With the big advantage of Phase cooling thermal capacity, the transient state temperature rise and stable state temperature rise of cable can be effectively reduced, so as to prevent cable long
The thermal breakdown that phase circulation hot-spot is caused, effectively delays the heat ageing of protective jacket, prevents hot-spot, and effectively extension uses the longevity
Life, reaches the overload capacity of significantly lifting current-carrying capacity of cable and cable, and energy-conserving and environment-protective can utilize phase transformation auto-control temperature
The need for meeting cable under various circumstances.Specifically, the paraffinic base enhanced thermal conduction type composite phase-change energy storage material is used cutting
Piece paraffin, backing material is polyethylene, and enhanced thermal conduction material is expanded graphite, and at 45 DEG C or so, thermal conductivity factor reaches phase transition temperature
1.35W/(m·℃）, it is more than 6 times of conventional phase-changing energy storage material thermal conductivity factor.
In the present embodiment, the protective jacket is from inside to outside sequentially provided with insulating barrier 51, screen layer 52 and restrictive coating 54, its
Described in insulating barrier 51 can use high-voltage cross-linking polythene insulation sleeve, the restrictive coating 54 use low-smoke halogen-free polyolefin sheath,
The screen layer 52 can be provided with aramid fiber refractory layer in addition using carbon fiber shielding layer between the restrictive coating 54 and screen layer 52
53, aramid fiber refractory layer 53 has excellent fire-retardant, rub resistance, heat resistance and chemical resistance, when it leaves flame not
Burning is may proceed to, is a kind of permanent fire retardant fiber.
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. the protective jacket of a kind of safe early warning cable, including electric power cable core and parcel electric power cable core, it is characterised in that also including phase
Become material packed layer, temperature-sensitive testing agency and warming fire suppression mechanism, the temperature-sensitive testing agency is located at protective jacket inside center position
Place is put, the electric power cable core and warming fire suppression mechanism are wrapped outside temperature-sensitive testing agency, the protective jacket parcel electric power cable core, heat
Quick testing agency and warming fire suppression mechanism, the phase-change material packed layer be arranged on protective jacket internal layer, temperature-sensitive testing agency outer layer,
Gap location between electric power cable core and warming fire suppression mechanism, temperature-sensitive testing agency external power supply and alarm.
2. safe early warning cable according to claim 1, it is characterised in that the temperature-sensitive testing agency includes heat conductive insulating
Silastic-layer and two conductors being separated by heat-conducting insulating silicon rubber layer and by thermal resistor layer.
3. safe early warning cable according to claim 2, it is characterised in that the thermal resistor layer is NTC thermistor.
4. safe early warning cable according to claim 1, it is characterised in that the phase-change material packed layer is organic composite
Phase-change material.
5. safe early warning cable according to claim 4, it is characterised in that the Organic composite phase change material is paraffinic base
Enhanced thermal conduction type composite phase-change energy storage material.
6. safe early warning cable according to claim 1, it is characterised in that the warming fire suppression mechanism is built with dry powder
The PVC sleeve pipes of extinguishing chemical.
7. the safe early warning cable according to any one of claim 1 to 6, it is characterised in that the protective jacket is from inside to outside
Insulating barrier, screen layer and restrictive coating are sequentially provided with, aramid fiber refractory layer is provided between the restrictive coating and screen layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621295430.1U CN206179580U (en) | 2016-11-30 | 2016-11-30 | Safe early warning cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621295430.1U CN206179580U (en) | 2016-11-30 | 2016-11-30 | Safe early warning cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206179580U true CN206179580U (en) | 2017-05-17 |
Family
ID=60241804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621295430.1U Expired - Fee Related CN206179580U (en) | 2016-11-30 | 2016-11-30 | Safe early warning cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206179580U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108175974A (en) * | 2017-12-01 | 2018-06-19 | 国家电网公司 | Blasting type cable run extinguishing device |
| 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 |
| CN114622814A (en) * | 2022-03-29 | 2022-06-14 | 艮玖(北京)门业有限公司 | Intelligent monitoring fireproof door |
-
2016
- 2016-11-30 CN CN201621295430.1U patent/CN206179580U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108175974A (en) * | 2017-12-01 | 2018-06-19 | 国家电网公司 | Blasting type cable run extinguishing device |
| 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 |
| CN114622814A (en) * | 2022-03-29 | 2022-06-14 | 艮玖(北京)门业有限公司 | Intelligent monitoring fireproof door |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206179580U (en) | Safe early warning cable | |
| CN206179590U (en) | High -temperature early warning cable | |
| CN103854734B (en) | The sensitive temperature sensing cable of a kind of renewable type | |
| CN203055526U (en) | Fire-proof high-temperature resistant fluorescence radiation cable | |
| CN204215767U (en) | Optical fiber compound rat-and-ant proof environmental protection flame retardant fire-proof medium-voltage cable | |
| CN207381135U (en) | A kind of automatic constant-temperature electric heat tracing type cable | |
| CN207800223U (en) | A kind of dedicated sensor for automobile cable | |
| CN203850041U (en) | Restorable type line type damp-proof and temperature-sensitive electric cable | |
| CN205751680U (en) | A kind of crosslinked polyetylene insulated multicore flame retardant cable | |
| CN103854796B (en) | The damp proof temperature sensing cable of a kind of renewable type line style | |
| CN214753078U (en) | Flame-retardant high-temperature-resistant cable | |
| CN107170520A (en) | A kind of low temperature resistant ethylene propylene rubber insulated type flat cable | |
| CN105913959A (en) | Crosslinked polyethylene insulated multi-core flame retardant cable | |
| CN204991237U (en) | High temperature resistant lock armo power cable | |
| CN206806060U (en) | A kind of high temperature resistant type nontoxic cable for preventing | |
| CN204463904U (en) | A kind of fire-resisting cable | |
| CN204332535U (en) | A kind of flexible mineral fireproofing photoelectric composite rope | |
| CN208477996U (en) | A kind of fire-retardant electric power connection line device of electric blanket | |
| CN210896750U (en) | Low-smoke halogen-free flame-retardant cable | |
| CN218676561U (en) | Intelligent sensing online monitoring is with fire-retardant green power cable | |
| CN108511116B (en) | Hydrate temperature control heat dissipation low tension cable | |
| CN207458658U (en) | Radiate power cable | |
| CN211828238U (en) | Fireproof medium-voltage cable | |
| CN212303176U (en) | High flame retardant cable | |
| CN211045113U (en) | B-class flame-retardant low-smoke halogen-free control cable |
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: 20201130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |