CN216287613U - Instrument signal cable for hydraulic observation - Google Patents
Instrument signal cable for hydraulic observation Download PDFInfo
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- CN216287613U CN216287613U CN202122312704.0U CN202122312704U CN216287613U CN 216287613 U CN216287613 U CN 216287613U CN 202122312704 U CN202122312704 U CN 202122312704U CN 216287613 U CN216287613 U CN 216287613U
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- signal cable
- inner sheath
- hydraulic
- sheath
- twisted pair
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Abstract
The utility model discloses an instrument signal cable for hydraulic observation, which comprises an outer sheath, an inner sheath and a plurality of twisted pair unit groups, wherein the outer sheath covers the outer part of the inner sheath, a plurality of first mounting holes are formed in the inner sheath, the number of the first mounting holes is the same as that of the twisted pair unit groups, and the twisted pair unit groups are arranged in the first mounting holes in a one-to-one correspondence manner. The instrument signal cable for hydraulic observation provided by the utility model can dually protect the twisted unit group positioned in the inner sheath by arranging the inner sheath and the outer sheath, thereby improving the underwater working performance of the cable, and can further protect the twisted unit group by arranging the first mounting hole and arranging the twisted unit group in the first mounting hole, thereby ensuring the transmission quality.
Description
Technical Field
The utility model relates to the field of cables, in particular to an instrument signal cable for hydraulic observation.
Background
Along with the development of hydraulic monitoring instruments and the implementation of monitoring automation systems, more and more hydraulic engineering buries more safety monitoring instruments for ensuring safety. The safety monitoring instrument can be made of waterproof and corrosion-resistant materials, and cannot be damaged due to corrosion because the safety monitoring instrument cannot move at any time. However, the cables used for connecting and matching the sensors and the monitoring system become the key points for precaution in the monitoring design. Due to the specific working environment and safety of hydraulic engineering and the like, the hydraulic monitoring cable is required to have the characteristics of long-term stability and water pressure resistance in the hydraulic environment, good aging resistance and the like as well as the electrical characteristic of transmitting specific signals.
The existing cable has unstable performance and poor water resistance in a hydraulic environment, and needs to be maintained by using higher economic cost due to the damage or corrosion of the cable. Therefore, a cable having excellent electrical characteristics is urgently required for connecting the relevant devices. The cable can stably work for a long time in a hydraulic environment and has good water pressure resistance and aging resistance.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide an instrument signal cable for hydraulic observation, aiming at solving the technical problem.
In order to achieve the purpose, the instrument signal cable for hydraulic engineering observation provided by the utility model comprises an outer sheath, an inner sheath and a plurality of twisted pair unit groups, wherein the outer sheath covers the outer part of the inner sheath, a plurality of first mounting holes are formed in the inner sheath, the number of the first mounting holes is the same as that of the twisted pair unit groups, and the twisted pair unit groups are correspondingly arranged in the first mounting holes one by one.
In an embodiment, a second mounting hole is formed in the inner sheath, and the signal cable of the hydraulic observation instrument further includes a ground wire disposed in the second mounting hole.
In one embodiment, the pair-twisting unit group comprises two pair-twisted wire cores, and each wire core comprises a conductor and a foamed polyethylene layer coated on the conductor.
In one embodiment, a polyester aluminum film layer is arranged on the inner wall surface of the first mounting hole.
In one embodiment, the inner sheath is a polyvinyl chloride piece.
In one embodiment, the outer sheath is a polyurethane part and is transparent, and the outer diameter of the outer sheath is 7.0-7.4 mm.
In one embodiment, the ground wire is a tin-plated copper ground wire.
In the technical scheme, the instrument signal cable for hydraulic observation comprises an outer sheath, an inner sheath and a plurality of twisted pair unit groups, wherein the outer sheath covers the outer part of the inner sheath, a plurality of first mounting holes are formed in the inner sheath, the number of the first mounting holes is the same as that of the twisted pair unit groups, and the twisted pair unit groups are correspondingly arranged in the first mounting holes one by one.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of a signal cable of a hydraulic observation instrument according to an embodiment of the present invention.
The reference numbers illustrate: 10. an outer sheath; 20. an inner sheath; 21. a first mounting hole; 22. a second mounting hole; 30. a pair twisting unit group; 31. a conductor; 32. a foamed polyethylene layer; 40. and a ground line.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Moreover, the technical solutions in the embodiments of the present invention may be combined with each other, but it is necessary to be able to be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
The utility model provides an instrument signal cable for hydraulic observation.
As shown in fig. 1, the signal cable for a hydraulic observation instrument according to an embodiment of the present invention includes an outer sheath 10, an inner sheath 20, and a plurality of twisted pair unit sets 30, where the outer sheath 10 covers an outer portion of the inner sheath 20, the inner sheath 20 is provided with a plurality of first mounting holes 21, the number of the first mounting holes 21 is the same as that of the twisted pair unit sets 30, and the twisted pair unit sets 30 are disposed in the first mounting holes 21 in a one-to-one correspondence manner.
In this embodiment, the instrument signal cable for hydraulic engineering observation includes outer sheath 10, inner sheath 20 and a plurality of twisted pair unit groups 30, outer sheath 10 cladding is in the outside of inner sheath 20, be provided with a plurality of first mounting holes 21 on the inner sheath 20, the quantity of first mounting holes 21 is the same with the quantity of twisted pair unit groups 30, twisted pair unit groups 30 set up one-to-one in first mounting holes 21, consequently, in this technical scheme, can double protection be located the inside twisted pair unit groups 30 of inner sheath 20 through setting up inner sheath 20 and outer sheath 10 to improve the underwater working property of cable, and can further protect twisted pair unit groups 30 in first mounting holes 21 through setting up first mounting holes 21 and with twisted pair unit groups 30 setting, guarantee transmission quality.
Further, a second mounting hole 22 is formed in the inner sheath 20, the hydraulic observation instrument signal cable further comprises a ground wire 40, and the ground wire 40 is arranged in the second mounting hole 22. In the present embodiment, the ground wire 40 is also installed in the second installation hole 22, so that the ground wire 40 not only can level the electric potential, but also can protect the ground wire 40 through the inner sheath 20, further improving the transmission quality.
The pair twisting unit group 30 comprises two pair twisting wire cores, each wire core comprises a conductor 31 and a foamed polyethylene layer 32 coated on the conductor 31, the conductor 31 is a 7/0.25mm tinned copper wire, and a polyester aluminum conforming film layer is arranged on the inner wall surface of the first mounting hole 21.
In one embodiment, the inner sheath 20 is a polyvinyl chloride member, the outer sheath 10 is a polyurethane member, the outer sheath 10 is transparent, and the outer diameter of the outer sheath 10 is 7.0-7.4 mm.
In the above embodiment, the ground wire 40 is a tin-plated copper ground wire 40, and the ground wire is not broken down when subjected to a dc 1000V, 1min withstand voltage test between the conductors 31 and the rating.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. The instrument signal cable for hydraulic observation is characterized by comprising an outer sheath, an inner sheath and a plurality of twisted pair unit groups, wherein the outer sheath covers the outer part of the inner sheath, a plurality of first mounting holes are formed in the inner sheath, the number of the first mounting holes is the same as that of the twisted pair unit groups, and the twisted pair unit groups are arranged in the first mounting holes in a one-to-one correspondence manner;
the inner sheath is provided with a second mounting hole, the instrument signal cable for hydraulic observation further comprises a ground wire, and the ground wire is arranged in the second mounting hole.
2. The instrument signal cable for hydraulic observation according to claim 1, wherein the twisted pair unit set comprises two twisted pairs of wire cores, and each wire core comprises a conductor and a foamed polyethylene layer coated on the conductor.
3. The instrument signal cable for hydraulic engineering observation according to claim 2, wherein a polyester aluminum composite film layer is provided on an inner wall surface of the first mounting hole.
4. The hydraulic observation instrument signal cable of claim 3, wherein the inner sheath is a polyvinyl chloride member.
5. The signal cable of the instrument for hydraulic observation according to claim 4, wherein the outer sheath is a polyurethane member, the outer sheath is transparent, and the outer diameter of the outer sheath is 7.0 to 7.4 mm.
6. The instrument signal cable for hydraulic observation according to claim 5, wherein the ground wire is a tin-plated copper ground wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122312704.0U CN216287613U (en) | 2021-09-24 | 2021-09-24 | Instrument signal cable for hydraulic observation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122312704.0U CN216287613U (en) | 2021-09-24 | 2021-09-24 | Instrument signal cable for hydraulic observation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216287613U true CN216287613U (en) | 2022-04-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122312704.0U Active CN216287613U (en) | 2021-09-24 | 2021-09-24 | Instrument signal cable for hydraulic observation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216287613U (en) |
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2021
- 2021-09-24 CN CN202122312704.0U patent/CN216287613U/en active Active
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