CN211529646U - Special watertight flexible cable - Google Patents
Special watertight flexible cable Download PDFInfo
- Publication number
- CN211529646U CN211529646U CN201922465659.5U CN201922465659U CN211529646U CN 211529646 U CN211529646 U CN 211529646U CN 201922465659 U CN201922465659 U CN 201922465659U CN 211529646 U CN211529646 U CN 211529646U
- Authority
- CN
- China
- Prior art keywords
- cable
- cables
- symmetrical
- groups
- group
- 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.)
- Active
Links
Images
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses a special watertight flexible cable, which comprises four groups of symmetrical cables, wherein one group of symmetrical cables is standby symmetrical cables for satisfying digital signal transmission, three groups of coaxial cables comprise a group of 50-5 coaxial cables and two groups of 50-2 coaxial cables for satisfying radio frequency signal transmission, and a group of monitoring optical cables; four groups of the symmetrical cables, two groups of the coaxial cables of 50-2 and the monitoring optical cables are compounded into a total cable by adopting a compound pair twisting structure around one group of the coaxial cables of 50-5; an insulating belting layer is extruded on the outer side of the main cable, and a polyurethane outer sheath is arranged on the outer side of the insulating belting layer. The utility model discloses a special watertight flexible cable can transmit the signal of different grade type and can be categorised with the different grade type signal simultaneously, and the radio frequency excellent performance, the impedance uniformity is high, and the outward appearance is round and tidy, and the cable is soft when the water proofness is good, wear-resisting.
Description
Technical Field
The utility model relates to a cable field especially relates to a special watertight flexible cable.
Background
The cable is the main facility of power transmission, signal transmission to along with the development of science and technology, the environment that should of cable is diversified, and some are in the plateau district, some are in the ocean, in order to adapt to the needs of different environment, need to adapt to various environments such as temperature, waterproof, corrosion-resistant. Deep sea cables have high requirements on water tightness due to long-term immersion in water, and sometimes displacement of the cables due to disturbance of seawater and underwater organisms due to high requirements on the cables used in deep sea.
With the development of marine equipment, the requirements on functions of an underwater communication system are higher and higher, the requirements on frequency and speed of signal transmission are higher and higher, and the existing watertight cable is required to be capable of transmitting different types of signals and classifying the different types of signals.
SUMMERY OF THE UTILITY MODEL
The object of the utility model is to provide a special watertight flexible cable for solving the above problems
In order to achieve the above purpose, the utility model is realized by the following technical scheme: a special watertight flexible cable comprises four groups of symmetrical cables, wherein one group of symmetrical cables is standby symmetrical cables for meeting digital signal transmission, three groups of coaxial cables comprise a group of 50-5 coaxial cables and two groups of 50-2 coaxial cables for meeting radio frequency signal transmission, and a group of monitoring optical cables; four groups of the symmetrical cables, two groups of the coaxial cables of 50-2 and the monitoring optical cables are compounded into a total cable by adopting a compound pair twisting structure around one group of the coaxial cables of 50-5; an insulating belting layer is extruded on the outer side of the main cable, and a polyurethane outer sheath is arranged on the outer side of the insulating belting layer;
the symmetrical cable is formed by twisting two groups of symmetrical cable cores and then coating a polyurethane inner sheath on the outer part of the twisted symmetrical cable cores; filling cores are arranged in the gap between the two groups of symmetrical cable cores and the polyurethane inner sheath; the symmetrical cable core sequentially comprises a copper conductor, an inner shielding layer and a PVC inner sheath layer from inside to outside, and the inner shielding layer is not arranged on the standby symmetrical cable;
the coaxial cable sequentially comprises a cable core formed by twisting a plurality of groups of copper conductors, a plastic insulating supporting layer, an electric field shielding layer, a reticular conducting layer and a polyurethane inner sheath from inside to outside;
the monitoring optical cable sequentially comprises an optical fiber and a loose tube from inside to outside;
and the gap parts among the monitoring optical cable, the coaxial cable and the symmetrical cable, the gap parts between the main cable and the insulating tape layer and the gap parts between the filling core and the symmetrical cable core are filled with water-blocking glue for ensuring the longitudinal watertight performance of the cable.
Further, two groups of symmetrical cables in the four groups of symmetrical cables are twisted into pairs, one group of symmetrical cables is twisted into pairs with the standby symmetrical cables and the monitoring optical cables, and the other two groups of coaxial cables 50-2 are twisted into pairs.
Still further, the electric field shielding layer has a resistance value between 1k Ω/m and 12k Ω/m and a thickness between 0.1 μm and 0.3 μm.
Furthermore, the core is a high elastic modulus silicone elastomer filler.
To sum up the utility model discloses following beneficial effect has: the utility model discloses a special watertight flexible cable can transmit the signal of different grade type and can be categorised with the different grade type signal simultaneously, and the radio frequency excellent performance, the impedance uniformity is high, and the outward appearance is round and tidy, and the cable is soft when the water proofness is good, wear-resisting.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples, which are not intended to limit the invention.
Referring to fig. 1, a special watertight flexible cable includes four sets of symmetrical cables 100, wherein one set of symmetrical cables is a spare symmetrical cable 200 for satisfying digital signal transmission, three sets of coaxial cables include a set of 50-5 coaxial cables 300 and two sets of 50-2 coaxial cables 400 for satisfying rf signal transmission, and a set of monitoring cables 500; the four groups of symmetrical cables 100, the two groups of coaxial cables 400 of 50-2 and the monitoring optical cable 500 are compounded into a total cable around the group of coaxial cables 300 of 50-5 by adopting a compound twisted structure; an insulating belting layer 1 is extruded on the outer side of the main cable, and a polyurethane outer sheath 2 is arranged on the outer side of the insulating belting layer 1;
the symmetrical cable 100 is formed by twisting two groups of symmetrical cable cores and then coating a polyurethane inner sheath 3 on the outside; filling cores 4 are arranged in the gap between the two groups of symmetrical cable cores and the polyurethane inner sheath 3 for filling; the symmetrical cable core sequentially comprises a copper conductor 101, an inner shielding layer 102 and a PVC inner sheath layer 103 from inside to outside, the inner shielding layer 102 is not arranged on the standby symmetrical cable, and the filler 4 is a high-elastic modulus silicone elastomer filler;
the coaxial cable sequentially comprises a cable core 201 formed by twisting a plurality of groups of copper conductors, a plastic insulating support layer 202, an electric field shielding layer 203, a reticular conducting layer 204 and a polyurethane inner sheath 205 from inside to outside, wherein the electric resistance value of the electric field shielding layer 203 is between 1k omega/m and 12k omega/m, and the thickness of the electric field shielding layer is between 0.1 mu m and 0.3 mu m.
The monitoring optical cable 500 comprises an optical fiber 501 and a loose tube 502 from inside to outside in sequence;
the monitoring optical cable 500, the coaxial cables 400 and 300, the gap part between the symmetrical cables 100, the gap part between the total cable and the insulating tape layer 1 and the gap part between the filler core 4 and the symmetrical cable core are all filled with water-blocking glue 600 for ensuring the longitudinal water-tight performance of the cable.
Two groups of symmetrical cables in the four groups of symmetrical cables are twisted into pairs, one group of symmetrical cables is twisted into pairs with the standby symmetrical cables and the monitoring cables, and the other two groups of coaxial cables 50-2 are twisted into pairs.
The utility model discloses a special watertight flexible cable can transmit the signal of different grade type, also can separate different cable cores on wearing cabin equipment panel simultaneously, uses the signal classification of different grade type (fall into branch cable stepping injection moulding with different cable cores).
The above embodiment is the preferred embodiment of the present invention, which is only used to facilitate the explanation of the present invention, it is not right to the present invention, which makes the restriction on any form, and any person who knows commonly in the technical field can use the present invention to make the equivalent embodiment of local change or modification without departing from the technical features of the present invention.
Claims (4)
1. A special watertight flexible cable is characterized in that: the cable comprises four groups of symmetrical cables, wherein one group of symmetrical cables is standby symmetrical cables for meeting digital signal transmission, three groups of coaxial cables comprise a group of 50-5 coaxial cables and two groups of 50-2 coaxial cables for meeting radio frequency signal transmission, and one group of monitoring optical cables; four groups of the symmetrical cables, two groups of the coaxial cables of 50-2 and the monitoring optical cables are compounded into a total cable by adopting a compound pair twisting structure around one group of the coaxial cables of 50-5; an insulating belting layer is extruded on the outer side of the main cable, and a polyurethane outer sheath is arranged on the outer side of the insulating belting layer;
the symmetrical cable is formed by twisting two groups of symmetrical cable cores and then coating a polyurethane inner sheath on the outer part of the twisted symmetrical cable cores; filling cores are arranged in the gap between the two groups of symmetrical cable cores and the polyurethane inner sheath; the symmetrical cable core sequentially comprises a copper conductor, an inner shielding layer and a PVC inner sheath layer from inside to outside, and the inner shielding layer is not arranged on the standby symmetrical cable;
the coaxial cable sequentially comprises a cable core formed by twisting a plurality of groups of copper conductors, a plastic insulating supporting layer, an electric field shielding layer, a reticular conducting layer and a polyurethane inner sheath from inside to outside;
the monitoring optical cable sequentially comprises an optical fiber and a loose tube from inside to outside;
and the gap parts among the monitoring optical cable, the coaxial cable and the symmetrical cable, the gap parts between the main cable and the insulating tape layer and the gap parts between the filling core and the symmetrical cable core are filled with water-blocking glue for ensuring the longitudinal watertight performance of the cable.
2. A special watertight flexible cable according to claim 1, wherein: two groups of symmetrical cables in the four groups of symmetrical cables are twisted into pairs, one group of symmetrical cables is twisted into pairs with the standby symmetrical cables and the monitoring cables, and the other two groups of coaxial cables 50-2 are twisted into pairs.
3. A special watertight flexible cable according to claim 2, wherein: the electric field shielding layer has a resistance value of 1k omega/m to 12k omega/m and a thickness of 0.1 μm to 0.3 μm.
4. A special watertight flexible cable according to claim 3, wherein: the filler is a high-elastic modulus silicone elastomer filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922465659.5U CN211529646U (en) | 2019-12-31 | 2019-12-31 | Special watertight flexible cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922465659.5U CN211529646U (en) | 2019-12-31 | 2019-12-31 | Special watertight flexible cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211529646U true CN211529646U (en) | 2020-09-18 |
Family
ID=72468042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922465659.5U Active CN211529646U (en) | 2019-12-31 | 2019-12-31 | Special watertight flexible cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211529646U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2763164C1 (en) * | 2021-04-15 | 2021-12-28 | Открытое акционерное общество Всероссийский научно-исследовательский, проектно-конструкторский и технологический институт кабельной промышленности | Combined load-carrying cable for underwater use |
| CN118571555A (en) * | 2024-08-01 | 2024-08-30 | 上海京波传输科技有限公司 | Preparation method of watertight branch photoelectric composite cable assembly |
-
2019
- 2019-12-31 CN CN201922465659.5U patent/CN211529646U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2763164C1 (en) * | 2021-04-15 | 2021-12-28 | Открытое акционерное общество Всероссийский научно-исследовательский, проектно-конструкторский и технологический институт кабельной промышленности | Combined load-carrying cable for underwater use |
| CN118571555A (en) * | 2024-08-01 | 2024-08-30 | 上海京波传输科技有限公司 | Preparation method of watertight branch photoelectric composite cable assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202258538U (en) | Marine integrated communication cable | |
| CN102751018B (en) | Neutral cable for deep-sea detection equipment | |
| CN201707970U (en) | Photoelectricity composite cable for anti-cutting underground measurement | |
| CN213070726U (en) | Multi-signal transmission composite optical cable for ship | |
| CN105355297A (en) | Deep sea photoelectric composite cable for mooring type marine observation system | |
| CN211529646U (en) | Special watertight flexible cable | |
| CN102509582A (en) | Longitudinal water-sealing degaussing cable and manufacturing process for same | |
| CN108447591A (en) | The preferable marine seismic prospectiong solid towing cable of dragging property | |
| CN107658058A (en) | A kind of adjustable floating photoelectric mixed cable of marine exploration | |
| CN102930926A (en) | Ocean umbilical cord cable | |
| CN202711768U (en) | Neutral cable for deep sea detection equipment | |
| CN201498244U (en) | Cable for underwater robots | |
| CN202796119U (en) | Low-frequency comprehensive cable | |
| CN204087874U (en) | A kind of super soft wear-resisting anti-water electrode low noise single crystal Cu multi-channel audio cable | |
| WO2019210692A1 (en) | Solid streamer for marine seismic exploration | |
| CN215342025U (en) | Water communication positioning monitoring light floating cable | |
| CN202352379U (en) | Special environment-friendly compound floating cable for seas and rivers | |
| CN204926893U (en) | Marine communication cable | |
| CN205140563U (en) | Type of mooring ocean observation system is with deep sea optoelectrical composite cable | |
| CN210073376U (en) | Deep sea diving equipment and watertight cable thereof | |
| CN204463850U (en) | A kind of carrying integrated digital cable waterborne | |
| CN216053976U (en) | Novel data fish tape | |
| CN211208086U (en) | Air guide detection cable of liquid level transmitter | |
| CN202855340U (en) | Underwater acoustic transducer special cable | |
| CN209766073U (en) | Deep water-resistant photoelectric composite cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |