Electromagnetic shielding device
地域：
Anteuil
摘要
An electromagnetic shielding device (40) including at least one hollow protective textile sleeve (50) having a main rest diameter D1 and an interior volume configured to receive one or several elongated element(s) (20, 21), at least one hollow connecting textile sleeve (60) having a rest diameter D2, D2 greater than D1. The protective textile sleeve (50) comprises a substantially annular front part (52) having a front open end (54), the connecting textile sleeve (60) includes a substantially annular rear part (62) having a rear open end (64), and the shielding device (40) includes a first electrically conductive, in particular at least partially annular, securing area (70) in which the rear part (62) of the connecting sleeve (60) and the front part (52) of the protective sleeve (50) are at least partly secured.
說(shuō)明書(shū)
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The present application is a 371 US Nationalization of PCT Patent Application No. PCT/EP2020/068433, filed Jun. 30, 2020, which claims priority to French Patent Application No. 1907346 and U.S. patent application Ser. No. 16/459,944, both filed Jul. 2, 2019, the disclosure of each of which is hereby incorporated by reference in its entirety.
The present invention relates to an electromagnetic shielding device of the type electromagnetic shielding textile sleeve.
The present invention also relates to a method for manufacturing an electromagnetic shielding device as well as a device for transmitting electrical energy comprising an electromagnetic shielding device.
權(quán)利要求
The invention claimed is:1. An electromagnetic shielding device comprising:a. At least one hollow protective textile sleeve having a main rest diameter D1 and an interior volume configured to receive one or several elongated element(s), b. At least one hollow connecting textile sleeve having a rest diameter D2, D2 greater than D1, wherein the protective textile sleeve comprises a substantially annular front part having a front open end, the connecting textile sleeve comprises a substantially annular rear part having a rear open end, and the shielding device comprises a first electrically conductive, securing area in which the rear part of the connecting sleeve and the front part of the protective sleeve are at least partly secured; wherein at least one of (i) or (ii): (i) the rear part of the connecting sleeve is folded on itself and has a substantially U-shape along a longitudinal-section plane P passing through the longitudinal axis L2 of the connecting sleeve; (ii) wherein the front part of the protective sleeve is folded on itself and has a substantially U-shape along a plane P of longitudinal section passing through the longitudinal axis L1 of the protective sleeve. 2. The shielding device according to claim 1 , wherein the connecting sleeve comprises a front part having a substantially annular front open end of a rest diameter D2, said front part being configured to expand radially in order to adopt a diameter D2′ in the expanded state greater than or equal to 1.20 times the diameter D2. 3. The shielding device according to claim 1 , wherein the front part of the protective sleeve is in an expanded state and with a diameter D1′ approximately equal to the diameter D2 of the connecting sleeve. 4. The shielding device according to claim 1 , wherein the rear part of the connecting sleeve comprises an inner portion at least partly secured to the protective sleeve and an outer portion, superimposed on the inner portion and in the extension of the inner portion. 5. The shielding device according to claim 1 , wherein the front part of the protective sleeve comprises an outer portion at least partly secured to the connecting sleeve, and an inner portion covered at least partly by the outer portion of the front part of the protective sleeve and in the extension of the outer portion. 6. The shielding device according to claim 1 , wherein the front part of the protective sleeve is folded on itself around, at least partially, a portion of the rear part of the connecting sleeve. 7. The shielding device according to claim 1 , wherein folded front part of the protective sleeve is superimposed with the folded rear part of the connecting sleeve. 8. The shielding device according to claim 1 , wherein the protective sleeve is in one several textile(s) selected among: a braid, a woven fabric, a knit, a non-woven fabric, or a combination thereof. 9. The shielding device according to claim 1 , wherein the connecting sleeve is in one or several textile(s) selected among: a braid, a woven fabric, a knit, a non-woven fabric, or a combination thereof. 10. The shielding device according to claim 1 , wherein the protective sleeve and/or the connecting sleeve is/are each a tubular braid or a tubular knit. 11. The shielding device according to claim 1 , wherein the protective sleeve and/or the connecting sleeve comprises/comprise each at least one electrically conductive yarn and/or electrically conductive fibers. 12. The shielding device according to claim 1 , wherein the protective sleeve and/or the connecting sleeve comprises/comprise each at least one electrically non-conductive yarn and/or electrically non-conductive fibers. 13. An electrically transmitting device comprising at least one connector having a grounding area, and one or several electrically conductive elongated element(s), especially each configured to transmit an electrical signal and/or an electrical power, comprising an electromagnetic shielding device according to claim 1 . 14. The electrically transmitting device according to claim 13 , wherein the front part of the connecting sleeve is secured at least partly to the grounding area. 15. A shielding device comprising,a. At least one hollow protective textile sleeve having a main rest diameter D1 and an interior volume configured to receive one or several elongated element(s), b. At least one hollow connecting textile sleeve having a rest diameter D2, D2 greater than D1, wherein the protective textile sleeve comprises a substantially annular front part having a front open end, the connecting textile sleeve comprises a substantially annular rear part having a rear open end, and the shielding device comprises a first electrically conductive, at least partially annular, securing area in which the rear part of the connecting sleeve and the front part of the protective sleeve are at least partly secured; wherein first securing area comprises three or four textile layers secured in their thicknesses in an electrically conductive manner, including at least two textile layers of the protective textile sleeve, and at least one textile layer of the connecting sleeve. 16. An electrically transmitting device comprising at least one connector having a grounding area, and one or several electrically conductive elongated element(s), especially each configured to transmit an electrical signal and/or an electrical power, comprising an electromagnetic shielding device according to claim 15 . 17. A method for manufacturing an electromagnetic shielding device comprisinga. At least one hollow protective textile sleeve having a main rest diameter D1 and an interior volume configured to receive one or several elongated element(s), b. At least one hollow connecting textile sleeve having a rest diameter D2, D2 greater than D1, wherein the protective textile sleeve comprises a substantially annular front part having a front open end, the connecting textile sleeve comprises a substantially annular rear part having a rear open end, and the shielding device comprises a first electrically conductive, at least partially annular, securing area in which the rear part of the connecting sleeve and the front part of the protective sleeve are at least partly secured, wherein said method comprises:(i)—a step of disposing a hollow protective textile sleeve having an outer rest diameter D1 and an interior volume configured to receive one or several elongated member(s), and comprising a substantially annular front part having a front open end, on at least one expansion device, causing the expansion at least of the substantially annular front part of the protective sleeve according to an outer diameter D1′ substantially equal to D2; (ii)—a step of providing a hollow connecting textile sleeve having a main rest diameter D2, D2 being greater than D1, and a substantially annular rear part having a rear open end, and a step of contacting the rear part of the connecting sleeve with the front part of the protective sleeve; (iii)—a step of forming a first electrically conductive securing area, in which the rear part of the connecting sleeve and the front part of the protective sleeve are at least partly secured; and (v) obtaining the shielding device; and wherein step (ii) comprises the superposition, or the juxtaposition, at least partial, of the front part of the protective sleeve with the rear part of the connecting sleeve. 18. The manufacturing method according to claim 17 , wherein the protective sleeve comprises a protective textile body projecting from its annular front part, and the connecting sleeve comprises a connecting textile body projecting from its annular rear part, in that during step ii) the rear part of the connecting sleeve is superimposed at least partially on the front part of the protective sleeve on at least the expansion device, the front part of the protective sleeve being disposed between at least said expansion device, and the rear part of the connecting sleeve, in that during step iii), said protective and connecting textile bodies are at least partly superimposed, and in that the method comprises a step iv), prior to step v), comprising the turning over of the body of the connecting sleeve.
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