CN110010279B - Heat-resistant photoelectric composite cable - Google Patents
Heat-resistant photoelectric composite cable Download PDFInfo
- Publication number
- CN110010279B CN110010279B CN201910353094.3A CN201910353094A CN110010279B CN 110010279 B CN110010279 B CN 110010279B CN 201910353094 A CN201910353094 A CN 201910353094A CN 110010279 B CN110010279 B CN 110010279B
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- China
- Prior art keywords
- electric
- electric unit
- heat insulation
- unit
- insulation layer
- 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.)
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Links
- 239000002131 composite material Substances 0.000 title claims abstract description 35
- 239000010410 layer Substances 0.000 claims abstract description 46
- 238000009413 insulation Methods 0.000 claims abstract description 38
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 35
- 230000003287 optical effect Effects 0.000 claims abstract description 24
- 239000013307 optical fiber Substances 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 239000011241 protective layer Substances 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 18
- 239000010425 asbestos Substances 0.000 claims description 6
- 239000010445 mica Substances 0.000 claims description 6
- 229910052618 mica group Inorganic materials 0.000 claims description 6
- -1 polybutylene terephthalate Polymers 0.000 claims description 6
- 229910052895 riebeckite Inorganic materials 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 5
- 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 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 239000004760 aramid Substances 0.000 claims description 3
- 229920003235 aromatic polyamide Polymers 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 229920001903 high density polyethylene Polymers 0.000 claims description 3
- 239000004700 high-density polyethylene Substances 0.000 claims description 3
- 229920001684 low density polyethylene Polymers 0.000 claims description 3
- 239000004702 low-density polyethylene Substances 0.000 claims description 3
- 229920001179 medium density polyethylene Polymers 0.000 claims description 3
- 239000004701 medium-density polyethylene Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052755 nonmetal Inorganic materials 0.000 claims description 3
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
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
-
- 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- 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
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
-
- 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
- H01B9/00—Power cables
- H01B9/005—Power cables including optical transmission elements
Landscapes
- Communication Cables (AREA)
Abstract
The invention belongs to the technical field of cables, and particularly relates to a heat-resistant photoelectric composite cable which is characterized by comprising an optical unit, an inner heat insulation layer, an electric unit, a reinforcing piece, an outer heat insulation layer and an outer protection layer extruded outside the outer heat insulation layer; the number of the electric units and the number of the reinforcing parts are 3; the optical unit comprises a loose tube, an optical fiber and an optical unit protective layer; at least 1 optical fiber is arranged in the loose tube; the electric units comprise electric unit protective layers and power transmission lines, and the electric units and the reinforcing pieces are distributed at intervals and are centrosymmetric; the edge of the electric unit consists of four circular arc edges which are connected end to end in sequence, namely an upper edge of the electric unit, a right edge of the electric unit, a lower edge of the electric unit and a left edge of the electric unit; the upper edge and the left edge of the electric unit are respectively attached to adjacent reinforcing pieces, and the lower edge of the electric unit is attached to the inner heat insulation layer. The invention has the following main beneficial effects: simple and stable structure, easy manufacture, good heat insulation performance, etc.
Description
Technical Field
The invention belongs to the technical field of cables, and particularly relates to a heat-resistant photoelectric composite cable.
Background
With the continuous development of the communication industry, the demand of the photoelectric composite cable is increasing. In the prior art, when a power line exists for a long time or high power is used for transmitting power, a large amount of heat is generated by an electric unit, the normal operation of the optical unit is influenced by the fact that the temperature is too high, and the normal operation temperature of the optical unit is generally below 70 ℃; on the other hand, in the prior art, a round electric unit and an optical unit are mostly adopted for twisting, and when the twisting is too tight, the loose tube is flattened, so that the optical fiber in the loose tube is high in loss or broken, and the communication system is broken.
Disclosure of Invention
In order to solve the problems, the invention aims to disclose a heat-resistant photoelectric composite cable, which is realized by adopting the following technical scheme.
The heat-resistant photoelectric composite cable is characterized by comprising an optical unit, an inner heat insulation layer coated outside the optical unit, electric units and reinforcing pieces distributed around the inner heat insulation layer, an outer heat insulation layer coated outside the electric units and the reinforcing pieces, and an outer protective layer extruded outside the outer heat insulation layer; the number of the electric units and the number of the reinforcing parts are 3; the optical unit comprises a loose tube, an optical fiber positioned in the loose tube and an optical unit protection layer covering the loose tube; at least 1 optical fiber is arranged in the loose tube; the electric units comprise electric unit protective layers and power transmission lines, and the electric units and the reinforcing pieces are distributed at intervals and are centrally symmetrical; the electric unit edge consists of four circular arc edges which are connected end to end in sequence, namely an electric unit upper edge, an electric unit right edge, an electric unit lower edge and an electric unit left edge; the upper edge and the left edge of the electric unit are respectively attached to adjacent reinforcing pieces, and the lower edge of the electric unit is attached to the inner heat insulation layer.
The heat-resistant photoelectric composite cable is characterized in that the material of the inner heat insulation layer is one of asbestos belts or mica belts.
The heat-resistant photoelectric composite cable is characterized in that the material of the outer heat insulation layer is one of asbestos belts or mica belts.
The heat-resistant photoelectric composite cable is characterized in that the outer sheath material is one of low-density polyethylene, medium-density polyethylene, high-density polyethylene, PVC or flame-retardant polyolefin.
The heat-resistant photoelectric composite cable is characterized in that the protective layer material is one of aramid yarn or glass fiber belt or non-woven fabric belt.
The heat-resistant photoelectric composite cable is characterized in that the reinforcement member material is one of metal or nonmetal.
The heat-resistant photoelectric composite cable is characterized in that the loose tube material is one of polybutylene terephthalate or modified polypropylene.
The heat-resistant photoelectric composite cable is characterized in that the optical fiber is a single-mode optical fiber or a multimode optical fiber.
In the invention, the transmission line and the optical unit part are effectively isolated, and the influence of the heat of the transmission line part on the performance of the optical fiber is less due to the existence of the inner heat insulating layer and the outer heat insulating layer, so that the optical fiber communication is still normal when the transmission line part is actually measured to 85 ℃.
In the invention, the transmission line is separated from the loose tube, so that the transmission line cannot crush the loose tube, and the performance of the optical fiber is affected.
In the present invention, it is more preferable that the diameter of the reinforcing member is larger than the diameter of the power transmission line, so that the stress portion is the reinforcing member when being pressed by an external force, and the compression resistance of the photoelectric composite cable can be greatly improved.
The invention has the beneficial technical effects of simple and stable structure, easy manufacture, good heat insulation performance and the like.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 3 is a schematic diagram of the structure of the electric unit of the present invention.
In the figure: 1. outer jacket, 2 outer insulation, 3 electrical unit, 31 electrical unit jacket, 32 electrical power transmission line, 33 electrical unit upper edge, 34 electrical unit right edge, 35 electrical unit lower edge, 36 electrical unit left edge, 4 inner insulation, 5 optical unit, 51 optical unit protection, 52 loose tube, 53 optical fiber, 54 center strength member, 6 fill cord.
Detailed Description
Example 1
Referring to fig. 1 and 3, a heat-resistant photoelectric composite cable is characterized by comprising an optical unit 5, an inner heat insulation layer 4 coated outside the optical unit 5, an electric unit 3 and a reinforcement 6 distributed around the inner heat insulation layer 4, an outer heat insulation layer 2 coated outside the electric unit 3 and the reinforcement 6, and an outer protection layer 1 extruded outside the outer heat insulation layer 2; the number of the electric units 3 and the reinforcing pieces 6 is 3; the light unit comprises a loose tube 52, an optical fiber 53 positioned in the loose tube 52 and a light unit protection layer 51 covering the loose tube 52; at least 1 optical fiber 53 is arranged in the loose tube 52; the electric unit 3 comprises an electric unit protective layer 31 and a power transmission line 32, and the electric unit 3 and the reinforcing piece 6 are distributed at intervals and are symmetrical in center; the electric unit edge consists of four circular arc edges which are connected end to end in sequence, namely an electric unit upper edge 33, an electric unit right edge 34, an electric unit lower edge 35 and an electric unit left edge 36; the upper edge 33 of the electric unit is attached to the outer heat insulation layer 2, the right edge 34 and the left edge 36 of the electric unit are attached to the adjacent reinforcing pieces 6 respectively, and the lower edge 35 of the electric unit is attached to the inner heat insulation layer 4.
The heat-resistant photoelectric composite cable is characterized in that the material of the inner heat insulation layer is one of asbestos belts or mica belts.
The heat-resistant photoelectric composite cable is characterized in that the material of the outer heat insulation layer is one of asbestos belts or mica belts.
The heat-resistant photoelectric composite cable is characterized in that the outer sheath material is one of low-density polyethylene, medium-density polyethylene, high-density polyethylene, PVC or flame-retardant polyolefin.
Alternatively, the above-mentioned heat-resistant photoelectric composite cable is characterized in that the number of the reinforcing members can be one or more, and when one reinforcing member is used, the positions of other reinforcing members are replaced by filling ropes with corresponding diameters or sizes; of course, more than one stiffener position may be replaced by a filler rope.
Alternatively, the above-mentioned heat-resistant photoelectric composite cable is characterized in that the number of the electrical units is at least two, or more than two, and when the number of the electrical units is more than one, the electrical units can be distributed at intervals and are symmetrical about the central axis of the photoelectric composite cable; it is also possible that the space surrounded by the edges of some electric units in turn is not provided with a power line inside.
The heat-resistant photoelectric composite cable is characterized in that the sheath of the electric unit is quadrilateral with an arc-shaped outer edge. Further, each edge of the quadrangle is circular arc.
The heat-resistant photoelectric composite cable is characterized in that the protective layer material is one of aramid yarn or glass fiber belt or non-woven fabric belt.
The heat-resistant photoelectric composite cable is characterized in that the reinforcement member material is one of metal or nonmetal.
The heat-resistant photoelectric composite cable is characterized in that the loose tube material is one of polybutylene terephthalate or modified polypropylene.
Example 2
Please refer to fig. 2 and 3, the structure of the present embodiment is substantially the same as that of embodiment 1, except that: the light unit structure is a layer-stranded structure and comprises a light unit protection layer 51, loose tubes 52, optical fibers 53 and a central reinforcing member 54, wherein a plurality of loose tubes are stranded around the central reinforcing member, and of course, part of the loose tubes can be replaced by filling ropes, and at least one optical fiber is arranged in each loose tube; this embodiment enlarges the communication capacity of the optical fiber and increases the communication density.
In the invention, the transmission line and the optical unit part are effectively isolated, and the influence of the heat of the transmission line part on the performance of the optical fiber is less due to the existence of the inner heat insulating layer and the outer heat insulating layer, so that the optical fiber communication is still normal when the transmission line part is actually measured to 85 ℃.
In the invention, the transmission line is separated from the loose tube, so that the transmission line cannot crush the loose tube, and the performance of the optical fiber is affected.
In the present invention, it is more preferable that the diameter of the reinforcing member is larger than the diameter of the power transmission line, so that the stress portion is the reinforcing member when being pressed by an external force, and the compression resistance of the photoelectric composite cable can be greatly improved.
The invention has the beneficial technical effects of simple and stable structure, easy manufacture, good heat insulation performance and the like.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept, can be replaced or changed equally within the scope of the present invention.
Claims (8)
1. The heat-resistant photoelectric composite cable is characterized by comprising an optical unit, an inner heat insulation layer coated outside the optical unit, electric units and reinforcing pieces distributed around the inner heat insulation layer, an outer heat insulation layer coated outside the electric units and the reinforcing pieces, and an outer protective layer extruded outside the outer heat insulation layer; the number of the electric units and the number of the reinforcing parts are 3; the optical unit comprises a loose tube, an optical fiber positioned in the loose tube and an optical unit protection layer covering the loose tube; at least 1 optical fiber is arranged in the loose tube; the electric units comprise electric unit protective layers and power transmission lines, and the electric units and the reinforcing pieces are distributed at intervals and are centrally symmetrical; the electric unit edge consists of four circular arc edges which are connected end to end in sequence, namely an electric unit upper edge, an electric unit right edge, an electric unit lower edge and an electric unit left edge; the upper edge of the electric unit is attached to the outer heat insulation layer, the right edge and the left edge of the electric unit are attached to adjacent reinforcing pieces respectively, and the lower edge of the electric unit is attached to the inner heat insulation layer; the sheath of the electric unit is quadrilateral with an arc-shaped outer edge, and four sides of the sheath of the electric unit are respectively attached to the adjacent reinforcing piece and the outer heat insulation layer.
2. The heat-resistant photoelectric composite cable is characterized by comprising an optical unit, an inner heat insulation layer coated outside the optical unit, electric units and reinforcing pieces distributed around the inner heat insulation layer, an outer heat insulation layer coated outside the electric units and the reinforcing pieces, and an outer protective layer extruded outside the outer heat insulation layer; the number of the electric units and the number of the reinforcing parts are 3; the optical unit comprises a central reinforcing piece, a plurality of loose tubes stranded around the central reinforcing piece, optical fibers positioned in the loose tubes and an optical unit protection layer covering the loose tubes; at least 1 optical fiber is arranged in the loose tube; the electric units comprise electric unit protective layers and power transmission lines, and the electric units and the reinforcing pieces are distributed at intervals and are centrally symmetrical; the electric unit edge consists of four circular arc edges which are connected end to end in sequence, namely an electric unit upper edge, an electric unit right edge, an electric unit lower edge and an electric unit left edge; the upper edge of the electric unit is attached to the outer heat insulation layer, the right edge and the left edge of the electric unit are attached to adjacent reinforcing pieces respectively, and the lower edge of the electric unit is attached to the inner heat insulation layer; the sheath of the electric unit is quadrilateral with an arc-shaped outer edge, and four sides of the sheath of the electric unit are respectively attached to the adjacent reinforcing piece and the outer heat insulation layer.
3. A heat resistant photoelectric composite cable according to claim 1 or claim 2, wherein the material of the inner insulating layer is one of an asbestos tape or a mica tape.
4. A heat resistant photoelectric composite cable according to claim 1 or claim 2, wherein the material of the outer heat insulating layer is one of an asbestos tape or a mica tape.
5. A heat resistant photovoltaic composite cable according to claim 1 or claim 2, wherein the outer sheath material is one of low density polyethylene or medium density polyethylene or high density polyethylene or PVC or flame retardant polyolefin.
6. A heat resistant photoelectric composite cable according to claim 1 or claim 2, wherein the protective layer material is one of aramid yarn or glass fiber tape or non-woven tape.
7. A heat resistant photoelectric composite cable according to claim 1 or claim 2, wherein the reinforcement material is one of metal or nonmetal.
8. A heat resistant photoelectric composite cable according to claim 1 or claim 2, wherein the loose tube material is one of polybutylene terephthalate or modified polypropylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910353094.3A CN110010279B (en) | 2019-04-29 | 2019-04-29 | Heat-resistant photoelectric composite cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910353094.3A CN110010279B (en) | 2019-04-29 | 2019-04-29 | Heat-resistant photoelectric composite cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110010279A CN110010279A (en) | 2019-07-12 |
| CN110010279B true CN110010279B (en) | 2024-02-27 |
Family
ID=67174875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910353094.3A Active CN110010279B (en) | 2019-04-29 | 2019-04-29 | Heat-resistant photoelectric composite cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110010279B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1601003A (en) * | 1978-03-15 | 1981-10-21 | Bicc Ltd | Optical cable |
| US6400874B1 (en) * | 1999-05-04 | 2002-06-04 | Corning Cable Systems, Llc | Optical cable |
| CN103021555A (en) * | 2013-01-05 | 2013-04-03 | 常熟市谷雷特机械产品设计有限公司 | Photoelectric composite cable |
| CN104036863A (en) * | 2014-07-09 | 2014-09-10 | 常熟市谷雷特机械产品设计有限公司 | Photoelectric composite cable of special-type structure |
| CN105825947A (en) * | 2015-03-10 | 2016-08-03 | 苏州高精特专信息科技有限公司 | Photoelectric composite cable with packaged filling function |
| CN209843319U (en) * | 2019-04-29 | 2019-12-24 | 江苏长飞中利光纤光缆有限公司 | Heat-resistant photoelectric composite cable |
-
2019
- 2019-04-29 CN CN201910353094.3A patent/CN110010279B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1601003A (en) * | 1978-03-15 | 1981-10-21 | Bicc Ltd | Optical cable |
| US6400874B1 (en) * | 1999-05-04 | 2002-06-04 | Corning Cable Systems, Llc | Optical cable |
| CN103021555A (en) * | 2013-01-05 | 2013-04-03 | 常熟市谷雷特机械产品设计有限公司 | Photoelectric composite cable |
| CN104036863A (en) * | 2014-07-09 | 2014-09-10 | 常熟市谷雷特机械产品设计有限公司 | Photoelectric composite cable of special-type structure |
| CN105825947A (en) * | 2015-03-10 | 2016-08-03 | 苏州高精特专信息科技有限公司 | Photoelectric composite cable with packaged filling function |
| CN209843319U (en) * | 2019-04-29 | 2019-12-24 | 江苏长飞中利光纤光缆有限公司 | Heat-resistant photoelectric composite cable |
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| Publication number | Publication date |
|---|---|
| CN110010279A (en) | 2019-07-12 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 215542 No.1 Zhongli Road, Changkun Industrial Park, Shajiabang Town, Changshu City, Suzhou City, Jiangsu Province Applicant after: Changfei photoelectric cable (Suzhou) Co.,Ltd. Applicant after: JIANGSU ZHONGLI GROUP Co.,Ltd. Address before: 215542 No.1 Zhongli Road, Changkun Industrial Park, Shajiabang Town, Changshu City, Suzhou City, Jiangsu Province Applicant before: YANGTZE ZHONGLI OPTICAL FIBRE AND CABLE (JIANGSU) Co.,Ltd. Applicant before: JIANGSU ZHONGLI GROUP Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220407 Address after: 215554 No. 1, Zhongli Road, Changkun Industrial Park, Changshu, Suzhou, Jiangsu Applicant after: Changfei photoelectric cable (Suzhou) Co.,Ltd. Address before: 215542 No.1 Zhongli Road, Changkun Industrial Park, Shajiabang Town, Changshu City, Suzhou City, Jiangsu Province Applicant before: Changfei photoelectric cable (Suzhou) Co.,Ltd. Applicant before: JIANGSU ZHONGLI GROUP Co.,Ltd. |
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