CN208335834U - A kind of power cable - Google Patents
A kind of power cable Download PDFInfo
- Publication number
- CN208335834U CN208335834U CN201820579345.0U CN201820579345U CN208335834U CN 208335834 U CN208335834 U CN 208335834U CN 201820579345 U CN201820579345 U CN 201820579345U CN 208335834 U CN208335834 U CN 208335834U
- Authority
- CN
- China
- Prior art keywords
- layer
- heat
- absorbing material
- material layer
- power cable
- 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
- 239000011358 absorbing material Substances 0.000 claims abstract description 48
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000004020 conductor Substances 0.000 claims abstract description 37
- 229910052802 copper Inorganic materials 0.000 claims abstract description 37
- 239000010949 copper Substances 0.000 claims abstract description 37
- 238000005728 strengthening Methods 0.000 claims abstract description 20
- 230000000903 blocking effect Effects 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000009413 insulation Methods 0.000 claims abstract description 16
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 239000003063 flame retardant Substances 0.000 claims abstract description 8
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000009970 fire resistant effect Effects 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 13
- 229920002379 silicone rubber Polymers 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 229920006231 aramid fiber Polymers 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 229910003978 SiClx Inorganic materials 0.000 claims 1
- 229920001971 elastomer Polymers 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 description 7
- 238000005452 bending Methods 0.000 description 6
- 230000008602 contraction Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 241000221931 Hypomyces rosellus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model relates to a kind of power cables, including at least one copper conductor, copper conductor is coated with interior flame-retardant layer, heat-absorbing material layer, thermal insulation layer, water blocking layer, outer fire resistant layer, resistance to compression layer and restrictive coating are disposed with outside all copper conductors, wherein heat-absorbing material layer is filled in the gap area between thermal insulation layer and the interior flame-retardant layer of each copper conductor, heat-absorbing material layer includes several cell voids body structures, is additionally provided with several strengthening cores between thermal insulation layer and the resistance to compression layer.When the power cable copper conductor work in distributed a large amount of heat, it is absorbed by heat-absorbing material layer, cell voids body in the heat-absorbing material layer can offset the influence expanded with heat and contract with cold, the overall volume of heat-absorbing material layer is set to maintain relatively steady state, the volume significant changes for avoiding heat-absorbing material layer cause to generate internal stress to cable inside；On the basis of strengthening core can make the cable have stronger radial stretching resistance performance, additionally it is possible to keep preferable flexible.
Description
Technical field
The utility model relates to field of cable technology more particularly to a kind of power cables.
Background technique
With the development of modern society, Internet of Things is popularized, and the usage amount and laying concentration of cable are higher and higher, especially
Its Internet of Things fieldbus is related to the transmission of Frequency Division Multiplexing data-signal, voice signal, picture signal and power supply signal, has skill
Art is respectively adopted optical fiber, data line, power supply line and transmits above-mentioned signal and data, causes cable as cobweb to be covered with entire existing
, the stability and reliability of signal transmission are not only affected, and interfere the layout and installation of interfering live other equipment,
Therefore to guarantee the work safety of cable.
Existing power cable can distribute a large amount of heat since its internal copper conductor is in the process of work, if
The heat cannot be distributed in time, then be easy there are security risk, although being filled with Heat Conduction Material outside existing copper conductor,
Because thermal expansion and contraction principle can expand, since existing Heat Conduction Material is usually tightly packed especially in endothermic process
, when cable being caused to expand with heat and contract with cold, inside can generate higher internal stress, if the expansion of Heat Conduction Material each position is uneven
It is even, then can also generate the internal stress being unevenly distributed inside cable, it is easy to cause the change of power cable working condition shape,
Power cable different location is caused to generate axial tension stress, to will affect the performance of power cable.
Utility model content
The purpose of the utility model is to overcome the inside Heat Conduction Materials of existing power cable in the prior art generally to adopt
With tightly packed, it is easy to cause in Heat Conduction Material process of expansion and contraction and the internal stress being unevenly distributed is generated to cable inside, it can shadow
The technical issues of ringing the performance of power cable, and a kind of power cable is provided.
To achieve the goals above, the technical solution adopted in the utility model are as follows:
A kind of power cable, including at least one copper conductor, the copper conductor are coated with interior flame-retardant layer, Suo Yousuo
It states and is disposed with heat-absorbing material layer, thermal insulation layer, water blocking layer, outer fire resistant layer, resistance to compression layer and restrictive coating outside copper conductor, wherein institute
State the gap area that heat-absorbing material layer is filled between the thermal insulation layer and the interior flame-retardant layer of each copper conductor, the suction
Hot material layer includes several cell voids body structures, is additionally provided with several reinforcements between the thermal insulation layer and the resistance to compression layer
Core.
The power cable, by the way that heat-absorbing material layer is arranged between copper conductor and thermal insulation layer, wherein in heat-absorbing material layer
Portion includes several cell voids body structures, even therefore the heat-absorbing material layer it is tightly packed inside cable, but its
Still there is the free space of expand or shrink.When having distributed a large amount of heat in the copper conductor work in power cable, inhaled
Hot material layer is absorbed, according to thermal expansion and contraction principle, even if heat-absorbing material layer expands, then the gap in heat-absorbing material layer
Unit agent structure can then occur to compress or reduce, and be able to maintain that the overall volume of heat-absorbing material layer in relatively steady state,
Even if absorbing the heat that a large amount of copper conductors distribute to effectively reduce heat-absorbing material layer, volume will not be caused significantly to become
Change causes to generate internal stress to cable inside, to decrease the influence to cable performance；In addition, the strengthening core is for improving
The performance of the cable radial direction stretching resistance, on the basis of the cable can be made to have stronger radial stretching resistance performance, additionally it is possible to protect
Hold preferable flexibility.
The power cable structure is simple, and heat absorption capacity is good, flexible bending performance with higher, and also has stable
Working performance can adapt to different cooling requirements and bending demand.
Preferably, the strengthening core is located in the water blocking layer.
Preferably, each strengthening core is aramid fiber structure.
Preferably, the water blocking layer is water-blocking filling paste layer.
Preferably, 6-8 strengthening core is equipped in the water blocking layer, all strengthening cores are to be distributed in the water blocking layer
It is interior.
Preferably, each cell voids body of the heat-absorbing material layer is closed cavity Unit agent structure.
Preferably, the heat-absorbing material layer is heat-conducting silicon rubber or Ceramic silicon rubber structure.
Preferably, the volume of the cell voids body structure occupies the 20-30% of the heat-absorbing material layer volume.
Preferably, including at least two copper conductors, the heat-absorbing material layer are mutual by all copper conductors
It separates.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
Power cable described in the utility model, by the way that heat-absorbing material layer is arranged between copper conductor and thermal insulation layer, wherein
Include several cell voids body structures inside heat-absorbing material layer, even therefore the heat-absorbing material layer it is tightly packed in cable
Inside, but it still has the free space of expand or shrink.It is a large amount of when having been distributed in the copper conductor work in power cable
Heat, absorbed by heat-absorbing material layer, according to thermal expansion and contraction principle, even if heat-absorbing material layer expands, then heat absorption material
Cell voids body structure in the bed of material can then occur to compress or reduce, and be able to maintain that the overall volume of heat-absorbing material layer opposite
Stable state, even if will not make so that effectively reducing heat-absorbing material layer absorbs the heat that a large amount of copper conductors distribute
Cause to generate internal stress to cable inside at volume significant changes, to decrease the influence to cable performance；In addition, should add
Strong core is used to improve the performance of the cable radial direction stretching resistance, and the cable can be made to have the basis of stronger radial stretching resistance performance
On, additionally it is possible to keep preferable flexible.The power cable structure is simple, and heat absorption capacity is good, flexible bending with higher
Can, and also there is stable working performance, it can adapt to different cooling requirements and bending demand.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of power cable described in the utility model.
Marked in the figure:
1, copper conductor, 2, interior flame-retardant layer, 3, heat-absorbing material layer, 4, cell voids, 5, thermal insulation layer, 6, water blocking layer, 7, plus
Qiang Xin, 8, outer fire resistant layer, 9, resistance to compression layer, 10, restrictive coating.
Specific embodiment
With reference to the accompanying drawing, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
As shown in Figure 1, a kind of power cable, including at least one copper conductor 1, the copper conductor 1 are coated with interior
Flame-retardant layer 2, all copper conductors 1 are disposed with heat-absorbing material layer 3 outside, thermal insulation layer 5, water blocking layer 6, outer fire resistant layer 8, resist
Pressurized layer 9 and restrictive coating 10, wherein the heat-absorbing material layer 3 is filled in the internal resistance of the thermal insulation layer 5 and each copper conductor 1
Fire the gap area between layer 2, the heat-absorbing material layer 3 includes several 4 body structures of cell voids, the thermal insulation layer 5 with
Several strengthening cores 7 are additionally provided between the resistance to compression layer.
Wherein, which can be located in water blocking layer 6, at this point, water blocking layer 6 can select water-blocking filling paste layer, each
Strengthening core 7 is aramid fiber structure, further, 6-8 strengthening core 7 can be set in the water blocking layer 6, all strengthening cores 7 are
To be distributed in water blocking layer 6.Wherein the strengthening core 7 is the performance for improving the cable radial direction stretching resistance, so that the strengthening core 7
On the basis of the cable can be made to have stronger radial stretching resistance performance, additionally it is possible to keep preferable flexible.As shown in Figure 1,
8 strengthening cores 7 are generally evenly distributed in water blocking layer 6.
In addition, 4 body of each cell voids of above-mentioned heat-absorbing material layer 3 is closed cavity Unit agent structure, the heat absorption material
The bed of material 3 is heat-conducting silicon rubber structure or Ceramic silicon rubber structure, has good heat absorption capacity.In addition, in order to balance the suction
The volume of the heat absorption capacity of hot material layer 3 and good retractility, the 4 body structure of cell voids occupies 3 volume of heat-absorbing material layer
20-30%.
Above-mentioned power cable is when including at least two copper conductors 1, should when 3 copper conductors 1 as shown in Figure 1
Heat-absorbing material layer 3 is spaced-apart by all copper conductors 1, to improve the heat dissipation effect of each copper conductor 1.Particularly, the copper
Core conducting wire 11 may be respectively used for coaxial radio frequency cable or power transmission cable uses, and be decided according to the actual requirements.
A kind of power cable described in the utility model, by the way that heat-absorbing material is arranged between copper conductor 1 and thermal insulation layer 5
Layer 3, wherein includes several 4 body structures of cell voids inside heat-absorbing material layer 3, even therefore the heat-absorbing material layer 3 it is tight
It is close to be filled in inside cable, but it still has the free space of expand or shrink.When the copper conductor 1 in power cable works
In distributed a large amount of heat, absorbed by heat-absorbing material layer 3, according to thermal expansion and contraction principle, even if heat-absorbing material layer 3 occur it is swollen
It is swollen, then the 4 body structure of cell voids in heat-absorbing material layer 3 can then occur to compress or reduce, make the whole body of heat-absorbing material layer 3
Product is able to maintain that in relatively steady state, even if dissipating to effectively reduce heat-absorbing material layer 3 and absorb a large amount of copper conductors 1
The heat of hair will not cause volume significant changes to cause to generate internal stress to cable inside, to decrease to cable
The influence of energy；In addition, the strengthening core 7 is used to improve the performance of the cable radial direction stretching resistance, the cable can be made to have stronger
On the basis of radial stretching resistance performance, additionally it is possible to keep preferable flexible.
The power cable structure is simple, and heat absorption capacity is good, flexible bending performance with higher, and also has stable
Working performance can adapt to different cooling requirements and bending demand.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (9)
1. a kind of power cable, which is characterized in that including at least one copper conductor, the copper conductor is coated with interior fire-retardant
Layer, all copper conductors are disposed with heat-absorbing material layer, thermal insulation layer, water blocking layer, outer fire resistant layer, resistance to compression layer and sheath outside
Layer, wherein the heat-absorbing material layer is filled in the interstitial area between the thermal insulation layer and the interior flame-retardant layer of each copper conductor
Domain, the heat-absorbing material layer include several cell voids body structures, are additionally provided between the thermal insulation layer and the resistance to compression layer
Several strengthening cores.
2. power cable according to claim 1, which is characterized in that the strengthening core is located in the water blocking layer.
3. power cable according to claim 1, which is characterized in that each strengthening core is aramid fiber structure.
4. power cable according to claim 2, which is characterized in that the water blocking layer is water-blocking filling paste layer.
5. power cable according to claim 4, which is characterized in that be equipped with 6-8 strengthening core in the water blocking layer, own
The strengthening core is to be distributed in the water blocking layer.
6. -5 any power cable according to claim 1, which is characterized in that each gap of the heat-absorbing material layer is single
First body is closed cavity Unit agent structure.
7. power cable according to claim 6, which is characterized in that the heat-absorbing material layer is heat-conducting silicon rubber or ceramics
SiClx rubber structure.
8. power cable according to claim 6, which is characterized in that the volume of the cell voids body structure occupies described
The 20-30% of heat-absorbing material layer volume.
9. power cable according to claim 6, which is characterized in that including at least two copper conductors, the suction
Hot material layer is spaced-apart by all copper conductors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820579345.0U CN208335834U (en) | 2018-04-23 | 2018-04-23 | A kind of power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820579345.0U CN208335834U (en) | 2018-04-23 | 2018-04-23 | A kind of power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208335834U true CN208335834U (en) | 2019-01-04 |
Family
ID=64778007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820579345.0U Expired - Fee Related CN208335834U (en) | 2018-04-23 | 2018-04-23 | A kind of power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208335834U (en) |
-
2018
- 2018-04-23 CN CN201820579345.0U patent/CN208335834U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 |