CN219738570U - Instrument signal cable with good shielding effect - Google Patents
Instrument signal cable with good shielding effect Download PDFInfo
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- CN219738570U CN219738570U CN202321121806.7U CN202321121806U CN219738570U CN 219738570 U CN219738570 U CN 219738570U CN 202321121806 U CN202321121806 U CN 202321121806U CN 219738570 U CN219738570 U CN 219738570U
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- signal cable
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- 230000000694 effects Effects 0.000 title claims abstract description 20
- 239000011162 core material Substances 0.000 claims description 46
- 239000003063 flame retardant Substances 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims 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 description 7
- 239000000463 material Substances 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 239000011253 protective coating Substances 0.000 claims 1
- 230000008054 signal transmission Effects 0.000 abstract description 9
- 239000004020 conductor Substances 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 66
- 238000009413 insulation Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model belongs to the field of cables, and particularly relates to an instrument signal cable with a good shielding effect. According to the utility model, through arranging the structures such as the shielding layer and the wear-resistant layer, the shielding layer is made of high magnetic conductive material, so that magnetic shielding is realized, magnetic field interference can be prevented, cable signal transmission is more stable, and the surface of the cable is not easy to damage when the cable is used through arranging the wear-resistant layer, so that the cable shielding layer is protected, and the shielding effect is prevented from being influenced by damage of the shielding layer.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to an instrument signal cable with a good shielding effect.
Background
The high-precision intelligent instrument and meter is a general name of an electronic and electric device capable of precisely displaying various physical quantities, has the advantages of good stability, high reliability and high precision and easy maintenance, and in recent years, the intelligent instrument and meter technology in China has made great progress, the middle and low-grade intelligent instruments and meters have shown stronger international competitiveness, and the typical production capacity of digital multimeters, electric energy meters and water meters is more than 50% of the total world, and the high-precision intelligent instrument and meter represented by mass spectrometers also has made technological breakthroughs, which can be compared with the international level. With the continuous enhancement of energy saving, consumption reduction and low-carbon economy consciousness, wind power, nuclear power, internet of things, smart grids, high-speed rail and rail transit in China are rapidly developed, development of the industries expands the development and application fields for high-precision intelligent instruments and meters, but more severe requirements are put forward on wires and cables matched with intelligent instruments and meters, because cables for signal transmission of the intelligent instruments and meters are installed outdoors in most of the environments, the environments are relatively severe, the adaptability to high-temperature and low-temperature environments is considered, and the safety and reliability of long-term operation are considered.
The utility model patent with the publication number of CN115240910A discloses a signal cable for instruments and meters and a manufacturing method thereof, the signal cable comprises a cable body, the cable body comprises a flame-retardant protection layer, a heat insulation layer, a supporting layer and conducting inner cores, the heat insulation layer is arranged on the inner side of the flame-retardant protection layer, the supporting layer is arranged on the inner side of the heat insulation layer, a supporting ring is arranged on the inner side of the supporting layer, a plurality of radiating fins are connected between the supporting ring and the supporting layer, the space between the supporting ring and the supporting layer is divided into at least two accommodating cavities by the plurality of radiating fins, each accommodating cavity is internally provided with one conducting inner core, the surface of the conducting inner core is in contact with the radiating fins, and filling materials are arranged in the accommodating cavities. The flame-retardant protective layer has an excellent flame-retardant effect, the possibility of danger of the signal cable can be greatly reduced, and the radiating fins can timely transfer out the heat of the conductive inner core, so that the signal cable is more stable and efficient in transmission, the service life of the signal cable is prolonged, and the signal cable has higher practicability. However, when the instrument signal cable is used, the instrument signal cable is easily influenced by an external magnetic field, so that the signal transmission of the cable is influenced. Accordingly, improvements in the art are needed.
Disclosure of Invention
The utility model aims to provide an instrument signal cable with good shielding effect, which solves the problem that signal transmission of the cable is influenced due to the fact that the cable is easily influenced by an external magnetic field.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an instrument and meter signal cable that shielding effect is good, includes first insulating layer, the outside of first insulating layer is provided with the wearing layer, be provided with the shielding layer in the first insulating layer, be provided with the protection core in the shielding layer, be provided with the second insulating layer in the protection core, be provided with a plurality of cores in the second insulating layer.
Preferably, the wear-resistant layer is made of epoxy resin, and the thickness of the wear-resistant layer is 0.5mm. Through setting up the wearing layer, protect cable shielding layer.
Preferably, the shielding layer is made of high magnetic conductive material, and the thickness of the shielding layer is 1mm. By arranging the shielding layer, the cable signal transmission effect is ensured.
Preferably, the protection core is made of flame-retardant rubber, and the diameter of the protection core is 50mm. By arranging the protective core, the spontaneous combustion of the cable short circuit is avoided.
Preferably, a plurality of the core materials are uniformly distributed in the second insulating layer 5, and the plurality of core materials are in contact with each other two by two. And the core material is arranged for transmitting signals.
Preferably, a reinforcing core is arranged in the protective core, and the reinforcing core is made of copper. Through setting up the enhancement core, increase cable strength.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, through arranging the structures such as the shielding layer and the wear-resistant layer, the shielding layer is made of high magnetic conductive material, so that magnetic shielding is realized, magnetic field interference can be prevented, cable signal transmission is more stable, and the surface of the cable is not easy to damage when the cable is used through arranging the wear-resistant layer, so that the cable shielding layer is protected, and the shielding effect is prevented from being influenced by damage of the shielding layer.
Drawings
FIG. 1 is a perspective view of the overall structure of the present utility model;
FIG. 2 is a front cross-sectional view of FIG. 1 of the present utility model;
FIG. 3 is a left side view of FIG. 2 in accordance with the present utility model;
fig. 4 is an enlarged view of fig. 2 at a in accordance with the present utility model.
In the figure: 1. a first insulating layer; 2. a wear-resistant layer; 3. a shielding layer; 4. a protective core; 5. a second insulating layer; 6. a core material; 7. and reinforcing the core.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 and 2, an instrument signal cable with good shielding effect comprises a first insulating layer 1, wherein a wear-resistant layer 2 is arranged on the outer side of the first insulating layer 1, the wear-resistant layer 2 is made of epoxy resin, the thickness of the wear-resistant layer 2 is 0.5mm, the wear-resistant layer 2 has good wear resistance, is not easy to damage due to external friction, the surface of the cable is not easy to wear, the cable shielding layer 3 is protected by arranging the wear-resistant layer 2, the shielding layer 3 is arranged in the first insulating layer 1, the shielding layer 3 is made of high magnetic conductive material, the thickness of the shielding layer 3 is 1mm, the propagation path of electromagnetic waves is cut off by arranging the shielding layer 3, so that the interference of external electromagnetic fields on the cable is eliminated, the signal transmission effect of the cable is ensured, a protective core 4 is arranged in the shielding layer 3, the protective core 4 is made of flame-retardant rubber, the protection core 4 diameter is 50mm, through setting up protection core 4, protection core 4 has good fire behaviour, when cable work produced high temperature, protect the whole, the high Wen Ziran damage of cable that leads to when avoiding cable short circuit high temperature, produce the potential safety hazard, be provided with second insulating layer 5 in the protection core 4, first insulating layer 1 and second insulating layer 5 are the rubber material, be used for protecting the cable, avoid cable high pressure electric leakage to produce the incident, be provided with a plurality of core materials 6 in the second insulating layer 5, a plurality of core materials 6 evenly distributed in the second insulating layer 5, two liang of contact between a plurality of core materials 6, through setting up core material 6, be provided with in the protection core 4 and strengthen core 7, strengthen core 7 and be the copper material, through setting up and strengthen core 7, increase cable strength.
The specific implementation process of the utility model is as follows: when the cable is used, through setting up structures such as shielding layer 3, wearing layer 2, be high magnetic conduction material through setting up shielding layer 3, shielding layer 3 is high magnetic conduction material, shielding layer 3 thickness is 1mm, through setting up shielding layer 3, cut off the propagation path of electromagnetic wave, thereby eliminate the interference of external electromagnetic field to the cable, ensure cable signal transmission effect, make cable signal transmission more stable, through setting up protection core 4, protection core 4 has good fire-retardant properties, when cable work produces the high temperature, protect the whole, the too high Wen Ziran damage of cable that leads to of temperature when avoiding the cable short circuit, produce the potential safety hazard, first insulating layer 1 and second insulating layer 5 are the rubber material for protect the cable, avoid cable high-pressure electric leakage to produce the incident, and make the cable use the surface be difficult for impaired through wearing layer 2 setting up, and then protect cable shielding layer 3, avoid the impaired shielding effect that influences of shielding layer 3.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an instrument and meter signal cable that shielding effect is good, includes first insulating layer (1), its characterized in that: the anti-wear protective coating is characterized in that the wear-resistant layer (2) is arranged on the outer side of the first insulating layer (1), the shielding layer (3) is arranged in the first insulating layer (1), the protective core (4) is arranged in the shielding layer (3), the second insulating layer (5) is arranged in the protective core (4), and a plurality of core materials (6) are arranged in the second insulating layer (5).
2. The instrument signal cable with good shielding effect according to claim 1, wherein: the wear-resistant layer (2) is made of epoxy resin, and the thickness of the wear-resistant layer (2) is 0.5mm.
3. The instrument signal cable with good shielding effect according to claim 1, wherein: the shielding layer (3) is made of high magnetic conduction materials, and the thickness of the shielding layer (3) is 1mm.
4. The instrument signal cable with good shielding effect according to claim 1, wherein: the protection core (4) is made of flame-retardant rubber, and the diameter of the protection core (4) is 50mm.
5. The instrument signal cable with good shielding effect according to claim 1, wherein: the plurality of core materials (6) are uniformly distributed in the second insulating layer (5), and the plurality of core materials (6) are contacted with each other in pairs.
6. The instrument signal cable with good shielding effect according to claim 1, wherein: the protective core (4) is internally provided with a reinforcing core (7), and the reinforcing core (7) is made of copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321121806.7U CN219738570U (en) | 2023-05-11 | 2023-05-11 | Instrument signal cable with good shielding effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321121806.7U CN219738570U (en) | 2023-05-11 | 2023-05-11 | Instrument signal cable with good shielding effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219738570U true CN219738570U (en) | 2023-09-22 |
Family
ID=88053078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321121806.7U Active CN219738570U (en) | 2023-05-11 | 2023-05-11 | Instrument signal cable with good shielding effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219738570U (en) |
-
2023
- 2023-05-11 CN CN202321121806.7U patent/CN219738570U/en active Active
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