CN208722631U - A kind of resistance to compression flame retardant cable - Google Patents
A kind of resistance to compression flame retardant cable Download PDFInfo
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- CN208722631U CN208722631U CN201820987119.6U CN201820987119U CN208722631U CN 208722631 U CN208722631 U CN 208722631U CN 201820987119 U CN201820987119 U CN 201820987119U CN 208722631 U CN208722631 U CN 208722631U
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- layer
- flame
- retardant
- resistance
- compression
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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 embodiment provides a kind of resistance to compression flame retardant cable, including conductive core and oversheath, insulating layer, flame-retardant layer and water blocking layer are additionally provided between the conductive core and oversheath, the insulating layer is arranged close to the conductive core, the flame-retardant layer and water blocking layer are between insulating layer and oversheath, the outside of the oversheath is also arranged with compression ring, the resistance to compression central spacer setting；The outside of the flame-retardant layer and the water blocking layer is additionally provided with armor, the oversheath is located at the outside of the armor, the outside of the shielded layer, which is additionally provided with, prevents letting out line, it is described to prevent that letting out line is bonded setting with shielded layer, the outside of the oversheath is also arranged with compression ring, the resistance to compression central spacer setting；The resistance to compression flame retardant cable has good resistance to compression flame retardant property.
Description
Technical field
The utility model relates to field of cables, in particular to a kind of resistance to compression flame retardant cable.
Background technique
Power cable is the cable for being used for transmission and distributing electric energy, and power cable is usually used in Urban Underground power grid, power station
Lead line, industrial and mining enterprises' in-line power and mistake river sea submarine transmission line.In power circuit, cable proportion just gradually increases
Add.Power cable is in the basic routing line of electric system to the cable product for transmitting and distributing high-power power, including 1-
500KV and more than various voltage class, the power cable of various insulation.
For the cable that Urban Underground power grid is laid with, it will receive various pressure in use.Cable is due to by outer
The influence of the various pressure in portion, internal conductive core are easy to be extruded cracking, cause existing cable service life shorter.It is existing
Although some cables can protect core in technology, remain design it is not reasonable, be easily damaged, safety obtains not
To the problems such as guarantee.Further, since the insulating layer and oversheath of cable are rubber material mostly, it is easy burning, and produce after burning
Raw solid granule forms smog, reduces light transmittance, occurs to influence people's escape and non-refractory when fire.Therefore having must
Existing cable is improved.
Utility model content
Based on this, it is necessary to provide a kind of cable with resistance to compression flame retarding function.
The utility model embodiment provides a kind of resistance to compression flame retardant cable, including conductive core and oversheath, the conductive core and
Insulating layer, flame-retardant layer and water blocking layer are additionally provided between oversheath, the insulating layer is arranged close to the conductive core, described fire-retardant
Between insulating layer and oversheath, the outside of the oversheath is also arranged with compression ring, the resistance to compression interannular for layer and water blocking layer
Every setting；The face that the flame-retardant layer is in contact with water blocking layer is in the curved surface setting bent back and forth, the position of the water blocking layer protrusion
It is in contact with the flame-retardant layer, alternatively, the wavy setting in face that the flame-retardant layer is in contact with water blocking layer.
Preferably, the flame-retardant layer and water blocking layer are all cylindrical in shape setting, and the flame-retardant layer is socketed in the inside of water blocking layer.
Preferably, the flame-retardant layer is arranged close to insulating layer, and the water blocking layer is located at the upper and lower part of flame-retardant layer.
Preferably, there are two vittas, two vittas to be used to indicate the position of flame-retardant layer for setting on the oversheath.
Preferably, the outside of the insulating layer is additionally provided with shielded layer, and the shielded layer is bonded setting with insulating layer.
Preferably, the outside of the flame-retardant layer and water blocking layer is additionally provided with armor, and the oversheath is located at the armouring
The outside of layer.
Preferably, the outside of the shielded layer, which is additionally provided with, prevents letting out line, described to prevent that letting out line is bonded setting with the shielded layer.
The utility model improves the fire-resistant waterproof performance of the cable by setting flame-retardant layer and water blocking layer；By protecting outside
Compression ring is arranged in the external of set, improves the anti-pressure ability of the cable, since resistance to compression central spacer is arranged, can save material.
Detailed description of the invention
It is more particularly described by the preferred embodiment in the utility model shown in the drawings, the above and other mesh of the utility model
, feature and advantage will become more fully apparent.Identical appended drawing reference indicates identical part in all the attached drawings, and does not carve
Meaning draws attached drawing by actual size equal proportion scaling, it is preferred that emphasis is shows this purport.
Fig. 1 is the sectional drawing of the resistance to compression flame retardant cable of the preferred embodiment in the utility model；
Fig. 2 is the sectional drawing of the resistance to compression flame retardant cable of another preferred embodiment of the utility model.
Specific embodiment
Technical solutions of the utility model are described in further detail in the following with reference to the drawings and specific embodiments, so that this
The technical staff in field can better understand the utility model and can be practiced, but illustrated embodiment is not as practical to this
Novel restriction.
As depicted in figs. 1 and 2, the utility model provides a kind of resistance to compression flame retardant cable, including conductive core 1 and oversheath 2,
In preferred embodiment, conductive core 1 is copper core or aluminium core, and oversheath 2 is LSOH anti-flaming cross-linked polyolefin oversheath.It is conductive
Insulating layer 3, flame-retardant layer 4 and water blocking layer 5 are additionally provided between core 1 and oversheath 2, in a preferred embodiment, insulating layer 3 is by weather-proof
Property crosslinked polyethylene be made, flame-retardant layer 4 is made of low-smoke non-halogen flame-retardant glass cloth tape or flame retardant rubber, water blocking layer 5 be block water
Rubber.Insulating layer 3 is arranged close to conductive core 1, and flame-retardant layer 4 and water blocking layer 5 are between insulating layer 3 and oversheath 2.Oversheath 2
Outside be also arranged with compression ring 10, in a preferred embodiment, compression ring 10 be the aluminum alloy ring matched with cable shape or
Person's steel loop, 10 sets of the compression ring outsides in oversheath 2 can undertake most pressure, improve the anti-pressure ability of the cable.
The setting of the interval of compression ring 10, saves material while improving compressive property, mitigates the weight of cable, and facilitate cable bend.
In a preferred embodiment, conductive core 1 is one or more of.When conductive core 1 is one, shielded layer 7 and conduction
Insulating layer 3 outside core 1 fits.When conductive core 1 is a plurality of, filling material also can be set between shielded layer 7 and insulating layer 3
Material, packing material can be insulating materials, tensile materials or fire proofing material, fill as needed.
In a preferred embodiment, the face that flame-retardant layer 4 is in contact with water blocking layer 5 is in the curved surface setting bent back and forth, water blocking layer
The position of protrusion is in contact with flame-retardant layer 4, and when the pressure that flame-retardant layer 4 is passed over by water blocking layer 5, flame-retardant layer 4 has one
Fixed elasticity, the cavity 8 between flame-retardant layer 4 and water blocking layer 5 are able to bear the deflection of certain flame-retardant layer 4, reduce pressure pair
The influence of conductive core 1.In a preferred embodiment, the wavy setting in face that flame-retardant layer 4 is in contact with water blocking layer 5.Another excellent
It selects in embodiment, the protrusion of flame-retardant layer 4 is arc.In other preferred embodiments, the protrusion of flame-retardant layer 4 may be wedge angle
Shape.
In a preferred embodiment, flame-retardant layer 4 and water blocking layer 5 are all cylindrical in shape setting, and flame-retardant layer 4 is socketed in the interior of water blocking layer 5
Portion.In another preferred embodiment, flame-retardant layer 4 is arranged close to insulating layer 3, and water blocking layer 5 is located at the upper and lower part of flame-retardant layer 4,
The outside of water blocking layer 5 is additionally provided with outer water blocking layer 51.The material of outer water blocking layer 51 and water blocking layer 5 can be the same or different,
Outer water blocking layer 51 and water blocking layer 5 can be integrally formed or be separately formed.There are two vitta 9, two colors for setting on oversheath 2
The position of item 9 can be arbitrarily arranged, and vitta 11 is only intended to the position of mark flame-retardant layer 4.When being laid with cable, need flame-retardant layer
Cavity 8 between 4 and water blocking layer 5 is towards upper or lower placement, when cable bears the pressure on ground, 4 He of flame-retardant layer
Protrusion on cavity 8 and flame-retardant layer 4 between water blocking layer 5 can make the anti-of the cable with compensator or trimmer pressure to the pressure of conductive core 1
Pressure capability is stronger.
In a preferred embodiment, the outside of insulating layer 3 is additionally provided with shielded layer 7, and shielded layer 7 is aluminium foil, copper foil or copper
The gauze screen of silk braiding, shielded layer 7 are bonded setting with insulating layer 3, can reduce the electromagnetic field of the generation of conductive core 1 to the external world
Interference.The outside of flame-retardant layer 4 and water blocking layer 5 is additionally provided with armor 6, and armor 6 is that aluminum alloy strip or steel band Bao Rao are hindering
It is formed outside water layer 5.Oversheath 2 is located at the outside of armor 6, and oversheath 2 has the function of that fire prevention blocks water, can protect armour
Layer 6 is filled, armor 6 is prevented to be corroded.The outside of shielded layer 7 be additionally provided with it is anti-let out line 9, it is anti-let out line 9 and be bonded with shielded layer 7 set
It sets.When shielded layer 7 be copper foil or aluminium foil when, shielded layer 7 is easy to happen fracture, once and shielded layer 7 fracture, will seriously affect
The safety of electricity consumption.The anti-setting for letting out line 9, can effectively reduce due to the harm that shielded layer 7 is broken and is occurred.It is anti-let out line 9 can
One or more of to be arranged, preferably four, four are prevented that let out line 9 extends in parallel along the direction of cable, and four are prevented letting out line 9 uniformly
Setting.
The utility model improves the fire-resistant waterproof performance of the cable by setting flame-retardant layer and water blocking layer；By protecting outside
Compression ring is arranged in the external of set, improves the anti-pressure ability of the cable, since resistance to compression central spacer is arranged, can save material.
The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (7)
1. a kind of resistance to compression flame retardant cable, including conductive core and oversheath, which is characterized in that between the conductive core and oversheath also
It is provided with insulating layer, flame-retardant layer and water blocking layer, the insulating layer is arranged close to the conductive core, the flame-retardant layer and water blocking layer position
Between insulating layer and oversheath, the outside of the oversheath is also arranged with compression ring, the resistance to compression central spacer setting；The resistance
The face that combustion layer is in contact with water blocking layer is in the curved surface setting bent back and forth, position and the flame-retardant layer phase of the water blocking layer protrusion
Contact, alternatively, the wavy setting in face that the flame-retardant layer is in contact with water blocking layer.
2. resistance to compression flame retardant cable as described in claim 1, which is characterized in that the flame-retardant layer and water blocking layer are all cylindrical in shape and set
It sets, the flame-retardant layer is socketed in the inside of water blocking layer.
3. resistance to compression flame retardant cable as described in claim 1, which is characterized in that the flame-retardant layer is arranged close to insulating layer, described
Water blocking layer is located at the upper and lower part of flame-retardant layer.
4. resistance to compression flame retardant cable as described in claim 1, which is characterized in that vitta there are two settings on the oversheath, two
A vitta is used to indicate the position of flame-retardant layer.
5. resistance to compression flame retardant cable as described in claim 1, which is characterized in that the outside of the insulating layer is additionally provided with shielding
Layer, the shielded layer are bonded setting with insulating layer.
6. resistance to compression flame retardant cable as described in claim 1, which is characterized in that the outside of the flame-retardant layer and water blocking layer is also set up
There is armor, the oversheath is located at the outside of the armor.
7. resistance to compression flame retardant cable as claimed in claim 5, which is characterized in that the outside of the shielded layer is additionally provided with anti-let out
Line, it is described to prevent that letting out line is bonded setting with the shielded layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820987119.6U CN208722631U (en) | 2018-06-25 | 2018-06-25 | A kind of resistance to compression flame retardant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820987119.6U CN208722631U (en) | 2018-06-25 | 2018-06-25 | A kind of resistance to compression flame retardant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208722631U true CN208722631U (en) | 2019-04-09 |
Family
ID=65971964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820987119.6U Active CN208722631U (en) | 2018-06-25 | 2018-06-25 | A kind of resistance to compression flame retardant cable |
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| Country | Link |
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| CN (1) | CN208722631U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114068087A (en) * | 2021-11-18 | 2022-02-18 | 苏州毕毕西通讯系统有限公司 | Water-locking non-leakage coaxial cable |
-
2018
- 2018-06-25 CN CN201820987119.6U patent/CN208722631U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114068087A (en) * | 2021-11-18 | 2022-02-18 | 苏州毕毕西通讯系统有限公司 | Water-locking non-leakage coaxial cable |
| CN114068087B (en) * | 2021-11-18 | 2024-03-08 | 苏州毕毕西通讯系统有限公司 | Coaxial cable capable of locking water and preventing leakage |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: No.8, Guanshan South Road, Xiuquan street, Huadu District, Guangzhou, Guangdong 510800 Patentee after: GUANGDONG KINGFORYOU WIRE CABLE Co.,Ltd. Address before: 510800 Xinhua Industrial Zone, West Yingbin Avenue, Xinhua Street, Huadu District, Guangzhou City, Guangdong Province Patentee before: GUANGDONG KINGFORYOU WIRE CABLE Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |