CN114220595A - Halogen-free low-smoke low-toxicity low-corrosion B1-grade cable - Google Patents
Halogen-free low-smoke low-toxicity low-corrosion B1-grade cable Download PDFInfo
- Publication number
- CN114220595A CN114220595A CN202111402937.8A CN202111402937A CN114220595A CN 114220595 A CN114220595 A CN 114220595A CN 202111402937 A CN202111402937 A CN 202111402937A CN 114220595 A CN114220595 A CN 114220595A
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- Prior art keywords
- low
- halogen
- corrosion
- smoke
- measuring
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Links
- 238000005260 corrosion Methods 0.000 title claims abstract description 41
- 239000000779 smoke Substances 0.000 title claims abstract description 36
- 231100000053 low toxicity Toxicity 0.000 title claims abstract description 20
- 239000010410 layer Substances 0.000 claims abstract description 31
- 230000007797 corrosion Effects 0.000 claims abstract description 24
- 239000011241 protective layer Substances 0.000 claims abstract description 19
- 239000000919 ceramic Substances 0.000 claims abstract description 11
- 238000009413 insulation Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 5
- 238000005524 ceramic coating Methods 0.000 claims abstract description 4
- 239000003822 epoxy resin Substances 0.000 claims abstract description 4
- 239000003365 glass fiber Substances 0.000 claims abstract description 4
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 4
- 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 8
- 239000003063 flame retardant Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 239000011435 rock Substances 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2806—Protection against damage caused by corrosion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/36—Insulated conductors or cables characterised by their form with distinguishing or length marks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/40—Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing
-
- 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
Landscapes
- Details Of Indoor Wiring (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention relates to the technical field of cables, in particular to a halogen-free low-smoke low-toxicity low-corrosion B1-grade cable which comprises a wire core pack; the halogen-free low-smoke ceramic heat insulation layer is coated outside the wire core package group, and the halogen-free low-smoke ceramic coating is coated outside the wire core package group; the wrapping shielding layer is wrapped outside the halogen-free low-smoke ceramic heat insulation layer and formed by overlapping and wrapping glass fiber tapes; the corrosion-resistant protective layer is coated outside the lapping shielding layer and is made of epoxy resin materials; a measuring collar; and the locking assembly is arranged in the measuring sleeve ring. The halogen-free low-smoke ceramic heat-insulating layer, the wrapping shielding layer and the corrosion-resistant protective layer are arranged, so that the performances of halogen-free low smoke, low toxicity, low corrosion and the like are greatly improved; through measuring lantern ring, locking step groove, rotating member, spacing draw-in groove and spacing card strip for the cable can confirm fast and cut the point, and guaranteed the fixed effect of measuring lantern ring position, make the fixed back position of measuring the lantern ring can not rock easily, improve the cutting efficiency and the efficiency of laying of cable.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a halogen-free low-smoke low-toxicity low-corrosion B1-grade cable.
Background
According to the electrical design specification of civil buildings, cables with the combustion grade not lower than B1 grade are selected for high-rise buildings and subway facilities, but the existing B1 grade cables are easy to crack in the using process due to factors such as natural environment and the like. Therefore, the development of a cable with halogen-free low smoke, low toxicity and low corrosion performance has very important practical significance. In addition, when cables need to be cut in the laying process of B1-level cables, the cutting points are not well determined, so that the situation of excessive cutting or insufficient cutting occurs, and further cable waste is caused.
Disclosure of Invention
In order to solve the technical problems, the invention provides a halogen-free low-smoke low-toxicity low-corrosion B1-grade cable, so that on the basis of meeting the performances of halogen-free low-smoke low-toxicity low-corrosion and the like, the cutting point of the cable can be conveniently and quickly determined, and the cutting efficiency and the laying efficiency of the cable are improved.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
a halogen-free low-smoke low-toxicity low-corrosion B1-grade cable comprises:
a wire core packet group;
the halogen-free low-smoke ceramic heat insulation layer is coated outside the wire core package group, and the halogen-free low-smoke ceramic coating is coated outside the wire core package group;
the wrapping shielding layer is wrapped outside the halogen-free low-smoke ceramic heat insulation layer and formed by overlapping and wrapping glass fiber tapes;
the corrosion-resistant protective layer is coated outside the lapping shielding layer and is made of epoxy resin materials;
the measuring lantern ring is arranged outside the corrosion-resistant protective layer and moves along the axial direction of the cable;
and the locking assembly is arranged in the measuring sleeve ring, rotates along the circumferential direction of the measuring sleeve ring, and is matched with the outer surface of the corrosion-resistant protective layer to realize the position locking of the measuring sleeve ring.
Preferably, the cable core pack group comprises a cable core, a cable core insulating layer coated outside the cable core, a plurality of flame retardant rods uniformly distributed on the periphery of the cable core insulating layer, and a fixing sleeve for separating and coating the flame retardant rods at intervals.
Preferably, a plurality of locking step grooves which are uniformly distributed circumferentially are arranged on the outer surface of the corrosion-resistant protective layer.
Preferably, the locking assembly comprises a plurality of locking sliding blocks which are arranged inside the measuring lantern ring in a sliding mode along the circumferential direction, a guide groove which provides sliding guide for the locking sliding blocks to enable the locking sliding blocks to extend out of the measuring lantern ring and to be matched with the locking step groove, an annular connecting frame which integrally connects the plurality of locking sliding blocks, and a rotating member which drives the annular connecting frame to rotate circumferentially.
Preferably, an axial side rod is arranged on the locking sliding block, one end of the axial side rod is installed in the guide groove, and the other end of the axial side rod is installed in the annular connecting frame.
Preferably, be equipped with on the annular link and dodge the groove with a plurality of that locking slider position corresponds, the other end of axial side lever is installed and is dodged the inslot.
Preferably, the rotating member comprises an arc-shaped rack arranged on the annular connecting frame, a gear meshed with the arc-shaped rack, a rotating rod coaxially connected with the gear, and a sleeve rod sleeved on the rotating rod, and the rotating rod and the sleeve rod are connected in a mutually embedded manner.
Preferably, the end of the loop bar extends out of the end face of the measuring loop, and the extending end is provided with a knob.
Preferably, the end face of the measuring lantern ring is uniformly provided with limiting clamping grooves by taking the axle center of the sleeve rod as the circle center, and the sleeve rod is provided with limiting clamping strips matched with the limiting clamping grooves.
The invention has the beneficial effects that:
the halogen-free low-smoke ceramic heat-insulating layer, the wrapping shielding layer and the corrosion-resistant protective layer are arranged, so that the performances of halogen-free low smoke, low toxicity, low corrosion and the like are greatly improved; through measuring lantern ring, locking step groove, rotating member, spacing draw-in groove and spacing card strip for the cable can confirm fast and cut the point, and guaranteed the fixed effect of measuring lantern ring position, make the fixed back position of measuring the lantern ring can not rock easily, improve the cutting efficiency and the efficiency of laying of cable.
Drawings
The invention is further illustrated with reference to the following figures and examples:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a cable body according to the present invention;
FIG. 3 is a first schematic view of the internal structure of the measuring collar of the present invention;
FIG. 4 is a second schematic view of the internal structure of the measuring collar of the present invention;
FIG. 5 is a third schematic view of the internal structure of the measuring collar of the present invention;
FIG. 6 is an enlarged view of the structure at A in FIG. 5;
FIG. 7 is a perspective view of a rotary member according to the present invention;
fig. 8 is a schematic view of the internal structure of the present invention.
In the figure, 1, a cable core; 2. a cable core insulating layer; 3. a flame retardant rod; 4. fixing a sleeve; 5. a halogen-free low-smoke ceramic thermal insulation layer; 6. wrapping a shielding layer; 7. a corrosion-resistant protective layer; 8. a measuring collar; 9. a locking step groove; 10. a locking slide block; 11. an axial side lever; 12. a guide groove; 13. an annular connecting frame; 14. an avoidance groove; 15. an arc-shaped rack; 16. a gear; 17. a rotating rod; 18. a loop bar; 19. a knob; 20. a limiting clamping groove; 21. and limiting clamping strips.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further explained in the following with the accompanying drawings and the embodiments.
As shown in fig. 1 and 2, a halogen-free low-smoke low-toxicity low-corrosion B1-grade cable comprises a core pack group, and a halogen-free low-smoke ceramic thermal insulation layer 5, a wrapping shielding layer 6 and a corrosion-resistant protective layer 7 sequentially coated outside the core pack group from inside to outside.
The cable core package group mainly comprises a cable core 1, a cable core insulating layer 2 coated outside the cable core 1, ten flame-retardant rods 3 uniformly distributed on the periphery of the cable core insulating layer 2 and a fixed sleeve 4 for separating and coating the ten flame-retardant rods 3 at intervals. And the cable core insulating layer 2 is made of a cross-linked polyethylene material. The halogen-free low-smoke ceramic coating is coated outside the halogen-free low-smoke ceramic heat insulation layer 5, so that the smoke concentration generated during cable combustion is extremely low, and the flame retardant effect is good. The lapping shielding layer 6 is formed by lapping and overlapping glass fiber tapes. The corrosion-resistant protective layer 7 is made of epoxy resin materials, so that the cable is high in corrosion resistance and wear resistance and has good water resistance and air tightness.
Further, as shown in fig. 3 to 8, the present invention further includes a measuring collar 8 disposed outside the cable corrosion protection layer 7 and a locking assembly disposed inside the measuring collar 8, the locking assembly being rotated in a circumferential direction of the measuring collar 8. The inner diameter of the measuring lantern ring 8 is matched with the outer diameter of the corrosion-resistant protective layer 7, so that the measuring lantern ring 8 can freely move along the axial direction of the cable under the condition that a gap does not exist between the measuring lantern ring 8 and the corrosion-resistant protective layer 7. In order to better match with the locking assembly to realize the position fixation of the measuring lantern ring 8 after moving, four locking step grooves 9 which are uniformly distributed circumferentially are arranged on the outer surface of the corrosion-resistant protective layer 7, and the four locking step grooves 9 are distributed along the axial direction of the cable. Therefore, the measuring collar 8 can be fixed at any position on the cable by the locking assembly rotating circumferentially to engage with the locking step groove 9 accordingly. The number of the measuring collars 8 in this embodiment is not limited and at least two are provided.
Specifically, as shown in fig. 3 and 4, the locking assembly includes four locking sliders 10 slidably mounted inside the measuring collar 8 along the circumferential direction, and an end portion of an opposite inner side of each locking slider 10 is in a wedge-shaped structure so as to be matched with the locking step groove 9. All be equipped with one on every locking slider 10 along measuring 8 axial distribution's of the lantern ring axial side lever 11, the relative rear side department of locking slider 10 is equipped with four and is the arc form and not with the guide way 12 of measuring 8 concentric circles of the lantern ring, and the position of four guide ways 12 corresponds with the position of four locking sliders 10 back-to-back, the rear end slidable mounting of axial side lever 11 is in guide way 12, guide way 12 can make locking slider 10 can stretch out gradually when sliding outside the measuring lantern ring 8 to realize and locking step groove 9 block. The relative front side department of locking slider 10 is equipped with and measures lantern ring 8 concentric distribution and circumferential rotation's annular link 13, the position department that corresponds with locking slider 10 on the annular link 13 is equipped with four and dodges the groove 14 along radial direction distribution, the front end slidable mounting of axial side lever 11 is in dodging the groove 14. The annular connecting frame 13 is connected with a rotating member for driving the annular connecting frame to rotate circularly.
Further, as shown in fig. 5, 6 and 7, the rotating member includes an arc-shaped rack 15 disposed at the left side above the annular connecting frame 13, and a gear 16 disposed in the measuring sleeve ring 8 and engaged with the arc-shaped rack 15, the gear 16 is coaxially connected with a rotating rod 17, the rotating rod 17 extends in the axial direction of the front side, and sleeve rods 18 are connected to the rotating rod 17 in a mutually engaging manner, so that the sleeve rods 18 can rotate synchronously with the rotating rod 17 and can also slide relative to the rotating rod 17. The end of the sleeve rod 18 extends out of the end face of the measuring sleeve ring 8, and the extending end is provided with a knob 19 so as to conveniently rotate the rotating rod 17 and the gear 16. Four limiting clamping grooves 20 are uniformly distributed on the front end face of the measuring lantern ring 8 by taking the axle center of the lantern rod 18 as the circle center, two limiting clamping strips 21 matched with the limiting clamping grooves 20 are arranged on the lantern rod 18, and the two limiting clamping strips 21 are symmetrically distributed. As shown in fig. 8, the two limit strips 21 on the loop bar 18 are clamped into the limit slots 20, and as shown in fig. 6, the gear 16 is in a locked state, and the annular connecting frame 13 cannot rotate, so that the purpose of locking is achieved.
The use process of the invention is as follows:
during the use, treat that the cutting point is decided, promote to measure lantern ring 8 and remove to the cutting point department along the cable, pull out loop bar 18 outwards earlier through knob 19 manually, make spacing calorie of strip 21 break away from in spacing draw-in groove 20 can, then, anticlockwise rotation knob 19, drive arc rack 15 and annular link 13 clockwise rotation through gear 16, annular link 13 drives four locking sliders 10 through axial side lever 11 when rotating and carries out clockwise circumference rotation in step, and under the direction of four guide ways 12, four locking sliders 10 block gradually into four locking step grooves 9 in step, realize measuring the rigidity of lantern ring 8. In order to better improve the fixing effect, the size of the four locking step grooves 9 on the cable is slightly smaller than that of the guide groove 12, when the locking slide block 10 moves to the tail end of the guide groove 12, the locking slide block 10 extrudes the groove wall of the locking step groove 9 and deforms the groove wall, but the corrosion-resistant protective layer 7 has certain elasticity, so that the friction force between the locking slide block 10 and the corrosion-resistant protective layer 7 is increased, and the fixing effect of the measuring lantern ring 8 is further improved.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A halogen-free low-smoke low-toxicity low-corrosion B1-grade cable is characterized in that: the method comprises the following steps:
a wire core packet group;
the halogen-free low-smoke ceramic heat insulation layer (5) is coated outside the wire core package group, and the halogen-free low-smoke ceramic coating is coated outside the wire core package group;
the wrapping shielding layer (6) is wrapped outside the halogen-free low-smoke ceramic heat-insulating layer (5) and formed by overlapping and wrapping glass fiber tapes;
the corrosion-resistant protective layer (7) is coated outside the lapping shielding layer (6) and is made of epoxy resin materials;
the measuring lantern ring (8) is arranged outside the corrosion-resistant protective layer (7) and moves along the axial direction of the cable;
the locking subassembly sets up in measuring the lantern ring (8), and rotates along measuring lantern ring (8) circumferencial direction, realizes the position locking of measuring the lantern ring (8) with corrosion-resistant protective layer (7) surface cooperation.
2. The halogen-free low-smoke low-toxicity low-corrosion B1-grade cable according to claim 1, wherein the cable comprises: the cable core package group comprises a cable core (1), a cable core insulating layer (2) coated outside the cable core (1), a plurality of flame retardant rods (3) uniformly distributed on the outer portion of the cable core insulating layer (2) in the circumferential direction, and a fixing sleeve (4) which separates and coats the plurality of flame retardant rods (3) at intervals.
3. The halogen-free low-smoke low-toxicity low-corrosion B1-grade cable according to claim 1, wherein the cable comprises: the outer surface of the corrosion-resistant protective layer (7) is provided with a plurality of locking step grooves (9) which are uniformly distributed on the circumference.
4. A halogen-free low-smoke low-toxicity low-corrosion B1-grade cable according to claim 3, wherein: the locking assembly comprises a plurality of locking sliding blocks (10) which are arranged inside the measuring sleeve ring (8) in a sliding mode along the circumferential direction, a guide groove (12) which is used for providing sliding guide for the locking sliding blocks (10) and enables the locking sliding blocks to extend out of the measuring sleeve ring (8) and be matched with the locking step groove (9), an annular connecting frame (13) which integrates the plurality of locking sliding blocks (10) into a whole, and a rotating component which drives the annular connecting frame (13) to rotate circumferentially.
5. A halogen-free low-smoke low-toxicity low-corrosion B1-grade cable according to claim 4, wherein: an axial side rod (11) is arranged on the locking sliding block (10), one end of the axial side rod (11) is installed in the guide groove (12), and the other end of the axial side rod is installed in the annular connecting frame (13).
6. A halogen-free low-smoke low-toxicity low-corrosion B1-grade cable according to claim 5, characterized in that: be equipped with on annular link (13) and dodge groove (14) with a plurality of that locking slider (10) position corresponds, the other end of axial side lever (11) is installed in dodging groove (14).
7. A halogen-free low-smoke low-toxicity low-corrosion B1-grade cable according to claim 4, wherein: the rotating component comprises an arc-shaped rack (15) arranged on the annular connecting frame (13), a gear (16) meshed with the arc-shaped rack (15), a rotating rod (17) coaxially connected with the gear (16), and a sleeve rod (18) sleeved on the rotating rod (17), wherein the rotating rod (17) and the sleeve rod (18) are connected in a mutually embedded manner.
8. The halogen-free low-smoke low-toxicity low-corrosion B1-grade cable according to claim 7, wherein the cable comprises: the end part of the loop bar (18) extends out of the end surface of the measuring loop (8), and the extending end is provided with a knob (19).
9. The halogen-free low-smoke low-toxicity low-corrosion B1-grade cable according to claim 7, wherein the cable comprises: the end face of the measuring lantern ring (8) is uniformly provided with limiting clamping grooves (20) by taking the axis of the loop bar (18) as the circle center, and the loop bar (18) is provided with limiting clamping strips (21) matched with the limiting clamping grooves (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111402937.8A CN114220595B (en) | 2021-11-19 | 2021-11-19 | Halogen-free low-smoke low-toxicity low-corrosion B1-level cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111402937.8A CN114220595B (en) | 2021-11-19 | 2021-11-19 | Halogen-free low-smoke low-toxicity low-corrosion B1-level cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114220595A true CN114220595A (en) | 2022-03-22 |
| CN114220595B CN114220595B (en) | 2024-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111402937.8A Active CN114220595B (en) | 2021-11-19 | 2021-11-19 | Halogen-free low-smoke low-toxicity low-corrosion B1-level cable |
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| Country | Link |
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| CN (1) | CN114220595B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114822974A (en) * | 2022-04-24 | 2022-07-29 | 深圳讯诺科技有限公司 | High-speed core wire and cable |
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| CN112735642A (en) * | 2020-12-28 | 2021-04-30 | 楼益强 | Cable with improved insulation |
| CN213241972U (en) * | 2020-10-21 | 2021-05-18 | 安徽新亚特电缆集团有限公司 | Environment-friendly intrinsic safety instrument cable |
| GB202104951D0 (en) * | 2021-04-07 | 2021-05-19 | Advanced Insulation Ltd | Locatable sleeve |
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2021
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103346508A (en) * | 2013-07-10 | 2013-10-09 | 河南省电力公司周口供电公司 | Portable manual cable outer sheath vertical-horizontal cutter |
| CN209298759U (en) * | 2018-11-07 | 2019-08-23 | 国网浙江桐乡市供电有限公司 | A kind of cable jacket stripping auxiliary device |
| CN211556725U (en) * | 2019-11-12 | 2020-09-22 | 深圳市新美宏新光电材料有限公司 | Optical film spool with locate function |
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| CN112735642A (en) * | 2020-12-28 | 2021-04-30 | 楼益强 | Cable with improved insulation |
| GB202104951D0 (en) * | 2021-04-07 | 2021-05-19 | Advanced Insulation Ltd | Locatable sleeve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114822974A (en) * | 2022-04-24 | 2022-07-29 | 深圳讯诺科技有限公司 | High-speed core wire and cable |
| CN114822974B (en) * | 2022-04-24 | 2024-02-06 | 深圳讯诺科技有限公司 | High-speed core wire and cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114220595B (en) | 2024-06-21 |
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