Ship signal cable inlet wire electromagnetic shielding grounding method and shielding grounding structure thereof
A signal cable and electromagnetic shielding technology, which is applied to the electromagnetic shielding grounding structure of the incoming signal cable of the ship and the electromagnetic shielding and grounding of the incoming signal cable of the ship, can solve the problem that the electromagnetic shielding effect cannot meet the requirements, and achieves the improvement of the cable shielding continuity, Improved shielding continuity and simple and clear implementation
Pending Publication Date: 2022-01-14
WUHU SHIPYARD CO LTD
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Problems solved by technology
On existing ships, due to the application of a large number of electronic equipment, the electromagnetic shielding effect cannot meet the requirements
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[0023] In the following, referring to the accompanying drawings, through the description of the embodiments, the specific embodiments of the present invention, such as the shape and structure of each component involved, the mutual position and connection relationship between each part, the function and working principle of each part, etc. will be further described. Details of:
[0024] as attached figure 1 As shown, the present invention is a method for electromagnetic shielding and grounding of incoming lines of ship signal cables, and the method for shielding and grounding is: 1) the metal braided sheath 1 is fixedly installed on the equipment shell of the ship's electronic equipment 3 through the cable metal stuffing box 2 7; 2) Pass the signal cable 4 through the cable metal stuffing box 2, and the signal cable 4 through the metal braided sheath 1 at the same time; 3) Strip the signal cable 4, strip off the insulating outer sheath of the signal cable 4, and expose the The...
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The invention provides a ship signal cable inlet wire electromagnetic shielding grounding method applied to the technical field of ship electronic equipment. The shielding grounding method comprises the following steps: 1) fixedly mounting a metal braided sheath (1) on an equipment shell (7) through a cable metal stuffing box (2); 2) enabling a signal cable (4) to pass through the cable metal stuffing box (2), and enabling the signal cable (4) to pass through the metal braided sheath (1); 3) stripping the insulating outer sheath of the signal cable (4) to expose a shielding sheath (5) of the signal cable; and 4) fastening the metal braided sheath (1) on the signal cable shielding sheath (5) through a cable tie (6). According to the ship signal cable inlet wire electromagnetic shielding grounding method and the shielding grounding structure thereof, the limitation that the cable is provided with a metal braided sheath for grounding shielding can be effectively overcome, the cable shielding continuity is effectively improved, the electromagnetic interference is finally reduced, the electromagnetic compatibility of electronic equipment is improved, and site construction is very convenient.
Description
technical field [0001] The invention belongs to the technical field of marine electronic equipment, and more particularly, relates to a method for electromagnetic shielding and grounding of incoming lines of marine signal cables, and also relates to an electromagnetic shielding and grounding structure for incoming lines of marine signal cables. Background technique [0002] In the field of ship technology, various advanced ship automation technologies have been applied successively, such as engine room monitoring and alarm system, integrated bridge navigation system, liquid level telemetry system, etc. The technical application of these electronic devices also has higher and higher requirements for the electromagnetic environment on board. In addition to meeting the EMC electromagnetic compatibility standards of the IEC International Electrotechnical Commission, the ship's electrical equipment must also meet the technical requirements of the shipyard's construction process r...
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IPC IPC(8): H01R43/00H01R43/28H01R11/11H01R4/64
CPCH01R43/00H01R43/28H01R11/11H01R4/64
Inventor 刘兴亮叶康阮蓉蓉
Owner WUHU SHIPYARD CO LTD