CN112466523B - Superstrong electromagnetic compatibility and antistatic protection device - Google Patents
Superstrong electromagnetic compatibility and antistatic protection device Download PDFInfo
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- CN112466523B CN112466523B CN202011356124.5A CN202011356124A CN112466523B CN 112466523 B CN112466523 B CN 112466523B CN 202011356124 A CN202011356124 A CN 202011356124A CN 112466523 B CN112466523 B CN 112466523B
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- soft surface
- electromagnetic compatibility
- shielding layer
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- 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
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0067—Devices for protecting against damage from electrostatic discharge
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0098—Shielding materials for shielding electrical cables
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- 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
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention provides a super electromagnetic compatibility and antistatic protection device, and relates to the technical field of antistatic enhancement of electromagnetic compatibility of cables. The superstrong electromagnetic compatibility comprises an electromagnetic compatibility enhancing device, wherein the electromagnetic compatibility enhancing device is divided into a first shielding layer and a second shielding layer, the first shielding layer is shielding protection paper, the shielding protection paper is made of copper paper material, and the specific manufacturing method of the second shielding layer is as follows: the method comprises the following steps: weighing a rubber material and a lead powder material, wherein the ratio of the rubber material to the lead powder material is 1.5: 1; step two: melting the rubber material weighed in the step one, adding weighed lead powder into the melted rubber material, and fully mixing the rubber material and the lead powder at a high temperature. The invention ensures that the electromagnetic compatibility and the electrostatic performance of the cable are good, so that the signal is not subjected to electromagnetic interference when the cable is used, and the occurrence of fire is avoided.
Description
Technical Field
The invention relates to the technical field of antistatic enhancement of electromagnetic compatibility of cables, in particular to a super electromagnetic compatibility and antistatic protection device.
Background
Electromagnetic compatibility (EMC) refers to the ability of a device or system to perform satisfactorily in its electromagnetic environment and not to generate intolerable electromagnetic interference to any device in its environment. Therefore, EMC includes two requirements: on one hand, the electromagnetic interference generated to the environment by the equipment in the normal operation process cannot exceed a certain limit value; another aspect is that the appliance has a degree of immunity to electromagnetic interference present in the environment, i.e., electromagnetic susceptibility. The definition of electromagnetic compatibility in the international electrotechnical commission standard IEC is: the system or the equipment can work normally in the electromagnetic environment, and meanwhile, the interference to other systems and equipment can not be caused. EMC includes two parts, EMI (electromagnetic interference) and EMS (electromagnetic tolerance), so called EMI electromagnetic interference is electromagnetic noise generated by the machine itself in the process of executing the intended function and not beneficial to other systems; EMS refers to the ability of a machine to perform its intended function without being affected by the surrounding electromagnetic environment. Electromagnetic compatibility (electromagnetic compatibility) various electrical or electronic equipment meet the normal working capability of design requirements with a specified safety factor in a complex common space of an electromagnetic environment. Also known as electromagnetic compatibility. Its meaning includes: mutual consideration among electronic systems or devices in an electromagnetic environment; secondly, the electronic system or the equipment can normally work according to the design requirement in the natural electromagnetic environment. If the influence of the electromagnetic field on the ecological environment is expanded, the contents of the electromagnetic compatibility discipline can be called environmental electromagnetism.
In the prior art, the electromagnetic compatibility of the cable is poor, and static electricity may occur under the action of electromagnetic induction when the cable is used for a long time, so that signal transmission in the cable is influenced, and a fire disaster may be caused by accumulation of the static electricity.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a super electromagnetic compatibility and antistatic protection device, and solves the problem of poor electromagnetic compatibility and antistatic performance of a cable.
(II) technical scheme
In order to realize the purpose, the invention is realized by the following technical scheme: superstrong electromagnetic compatibility and antistatic protection device, including electromagnetic compatibility reinforcing means, electromagnetic compatibility reinforcing means divides into first shielding layer and second shielding layer, first shielding layer is shielding protection paper, and shielding protection paper is the copper sheet material, the concrete preparation method of second shielding layer is as follows:
the method comprises the following steps: weighing a rubber material and a lead powder material, wherein the ratio of the rubber material to the lead powder material is 1.5: 1;
step two: melting the rubber material weighed in the first step, adding weighed lead powder into the melted rubber material, and fully mixing the rubber material and the lead powder at a high temperature;
step three: pouring the mixture of the molten rubber material and the lead powder into a mold, inserting a plurality of uniformly distributed soft metal wires into the mold, manufacturing the mixture into a barrel shape, and arranging a plurality of uniformly distributed grooves on the outer wall of the barrel-shaped second shielding layer, wherein the grooves are in a sawtooth shape.
A plurality of cable cores which are uniformly distributed are arranged in the third soft surface protection layer, an insulating layer is filled between the cable cores and the third soft surface protection layer, a second soft surface protective layer is arranged outside the third soft surface protective layer, a first shielding layer is arranged between the third soft surface protective layer and the second soft surface protective layer, a heat insulation layer is filled between the first shielding layer and the second soft surface protection layer and between the third soft surface protection layer and the first shielding layer, a first soft surface protective layer is arranged at the outer side position of the second soft surface protective layer, a second shielding layer is fixedly connected at the inner wall position of the first soft surface protective layer, the inner wall of the second shielding layer is fixedly connected with the outer wall of the second soft-surface protective layer, a plurality of uniformly distributed conducting devices penetrate through the surface of the first soft-surface protective layer, and the conducting devices are fixedly connected with the outer surface of the second shielding layer.
Preferably, the insulating layer is made of asbestos fiber materials, the first soft surface protective layer, the second soft surface protective layer and the third soft surface protective layer are made of rubber materials, and the heat insulating layer is made of heat insulating cotton materials.
Preferably, the conductive device comprises a fixed compression barrel, the fixed compression barrel is fixedly connected with the surface of the first soft-surface protective layer in a penetrating mode, the lower surface of the fixed compression barrel is fixedly connected with the outer wall of the second shielding layer in a penetrating mode, the upper surface of the fixed compression barrel is connected with a telescopic conductive rod in a penetrating and sliding mode, and the telescopic conductive rod is located at one end of the fixed compression barrel and fixedly connected with a protection limiting block.
Preferably, protection stopper outer wall and fixed compression bucket inner wall sliding connection, flexible conducting rod one end fixedly connected with compression spring is kept away from to the protection stopper, compression spring keeps away from protection stopper one end and fixed compression bucket inner bottom wall fixed connection.
Preferably, the outer wall of the fixed compression barrel and the first soft surface protection layer penetrate through the fixed position to be fixed with a protection connecting seat in a sealing mode, and the protection connecting seat is made of rubber materials.
The working principle is as follows: when electromagnetic radiation transmitted to second shielding layer 3 position by gear form second shielding layer 3 refraction, and isolated with a small amount of surplus electromagnetic radiation through first shielding layer 2, when static appears in the cable position, discharge static through flexible conducting rod 94 and fixed compression bucket 91, compression spring 93 makes things convenient for flexible conducting rod 94 to reset simultaneously, and the flexible conducting rod 94 of flexible setting makes cable and ground or other external conductor contact release static.
(III) advantageous effects
The invention provides a super electromagnetic compatibility and antistatic protection device. The method has the following beneficial effects:
1. according to the invention, by arranging the conductive device, static electricity at the cable position can be transmitted to the outside through the fixed compression barrel and the telescopic conductive rod through the conductive device, so that a fire disaster caused by the static electricity is avoided, and the telescopic conductive rod realizes the telescopic effect, so that the application range is wider.
2. According to the invention, the first shielding layer and the second shielding layer are arranged, so that the electromagnetic signal shielding performance is good, the electromagnetic signal of impurities is prevented from influencing the normal transmission of signals in the cable, and the signal transmission of the cable is stable.
Drawings
FIG. 1 is a side sectional view of the ultra-strong electromagnetic compatibility and antistatic protection device of the present invention;
FIG. 2 is a partial front view of the ultra-strong electromagnetic compatibility and antistatic protection device of the present invention;
FIG. 3 is an enlarged view of FIG. 1 at A;
FIG. 4 is a cross-sectional view of a conductive device of the ultra-strong electromagnetic compatibility and antistatic protection device of the present invention.
Wherein, 1, a first soft surface protective layer; 2. a first shielding layer; 3. a second shielding layer; 4. a second soft surface protection layer; 5. a thermal insulation layer; 6. a cable core; 7. an insulating layer; 8. a third soft surface protection layer; 9. a conductive device; 10. protecting the connecting seat; 91. fixing the compression barrel; 92. a protection limiting block; 93. a compression spring; 94. a telescopic conducting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1 to 4, an embodiment of the present invention provides a super electromagnetic compatibility and antistatic protection device, which includes an electromagnetic compatibility enhancing device, the electromagnetic compatibility enhancing device is divided into a first shielding layer 2 and a second shielding layer 3, the first shielding layer 2 is shielding protection paper, the shielding protection paper is copper material, and a specific manufacturing method of the second shielding layer 3 is as follows:
the method comprises the following steps: weighing a rubber material and a lead powder material, wherein the ratio of the rubber material to the lead powder material is 1.5: 1;
step two: melting the rubber material weighed in the step one, adding weighed lead powder into the melted rubber material, fully mixing the rubber material and the lead powder at a high temperature, and keeping the rubber material in a molten state through the high temperature to avoid cooling and drying the rubber material during stirring;
step three: the molten mixture of the rubber material and the lead powder is poured into a mold, a plurality of soft metal wires which are uniformly distributed are inserted into the mold, the strength of the second shielding layer 3 is increased through the metal wires, the mixture is made into a barrel shape, a plurality of uniformly distributed grooves are formed in the outer wall of the barrel-shaped second shielding layer 3, and the grooves are in a saw-tooth shape.
Be provided with a plurality of evenly distributed's cable core 6 in the third soft surface protective layer 8, it has insulating layer 7 to fill between cable core 6 and the third soft surface protective layer 8, the third soft surface protective layer 8 outside is provided with second soft surface protective layer 4, be provided with first shielding layer 2 between third soft surface protective layer 8 and the second soft surface protective layer 4, it has insulating layer 5 to fill between first shielding layer 2 and second soft surface protective layer 4 and third soft surface protective layer 8 and the first shielding layer 2, second soft surface protective layer 4 outside position is provided with first soft surface protective layer 1, 1 inner wall position fixedly connected with second shielding layer 3 of first soft surface protective layer, 3 inner walls of second shielding layer and 4 outer wall position fixed connection of second soft surface protective layer, 1 surface position of first soft surface protective layer runs through fixedly connected with a plurality of evenly distributed's conductive device 9, conductive device 9 and 3 outer surface position fixed connection of second shielding layer.
The insulating layer 7 is made of asbestos fiber materials, the asbestos fiber materials are good in insulating performance, the influence of static electricity on the normal use of the cable core 6 is avoided, the first soft surface protective layer 1, the second soft surface protective layer 4 and the third soft surface protective layer 8 are made of rubber materials, the rubber materials are soft, the insulating performance is good, the inner composite type insulating layer is made of heat-insulating cotton materials, and the heat-insulating layer 5 is made of heat-insulating cotton materials.
The electric installation 9 includes fixed compression bucket 91, fixed compression bucket 91 runs through fixed connection for 1 surface position of first soft surface protective layer, fixed compression bucket 91 lower surface position and 3 outer wall position fixed connection of second shielding layer, fixed compression bucket 91 upper surface position runs through sliding connection and has flexible conducting rod 94, clear away static through flexible conducting rod 94, flexible conducting rod 94 is located fixed compression bucket 91 one end fixedly connected with protection stopper 92, avoid flexible conducting rod 94 to break away from in fixed compression bucket 91 through protecting stopper 92. Protection stopper 92 outer wall and fixed compression bucket 91 inner wall sliding connection, protection stopper 92 keeps away from flexible conducting rod 94 one end fixedly connected with compression spring 93, and compression spring 93 keeps away from protection stopper 92 one end and fixed compression bucket 91 bottom wall fixed connection, and compression spring 93 makes flexible conducting rod 94 reset fast. The outer wall of the fixed compression barrel 91 and the first soft surface protection layer 1 penetrate through the fixed position and are fixed with a protection connecting seat 10 in a sealing mode, the protection connecting seat 10 is made of rubber materials, and the sealing performance of the rubber materials is good.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Superstrong electromagnetic compatibility and antistatic protection device, including electromagnetic compatibility reinforcing means and third soft surface protection layer (8), its characterized in that, electromagnetic compatibility reinforcing means divide into first shielding layer (2) and second shielding layer (3), first shielding layer (2) are shielding protection paper, and shielding protection paper is the copper sheet material, the concrete preparation method of second shielding layer (3) is as follows:
the method comprises the following steps: weighing a rubber material and a lead powder material, wherein the ratio of the rubber material to the lead powder material is 1.5: 1;
step two: melting the rubber material weighed in the first step, adding weighed lead powder into the melted rubber material, and fully mixing the rubber material and the lead powder at a high temperature;
step three: pouring the melted mixture of the rubber material and the lead powder into a mould, inserting a plurality of soft metal wires which are uniformly distributed into the mould, manufacturing the mixture into a barrel shape, and arranging a plurality of uniformly distributed grooves on the outer wall of the barrel-shaped second shielding layer (3), wherein the grooves are in a sawtooth shape.
2. The ultra-strong electromagnetic compatibility and antistatic protection device according to claim 1, characterized in that a plurality of cable cores (6) are uniformly distributed in the third soft surface protection layer (8), an insulating layer (7) is filled between the cable cores (6) and the third soft surface protection layer (8), a second soft surface protection layer (4) is arranged outside the third soft surface protection layer (8), a first shielding layer (2) is arranged between the third soft surface protection layer (8) and the second soft surface protection layer (4), a heat insulation layer (5) is filled between the first shielding layer (2) and the second soft surface protection layer (4) and between the third soft surface protection layer (8) and the first shielding layer (2), a first soft surface protection layer (1) is arranged outside the second soft surface protection layer (4), and a second shielding layer (3) is fixedly connected to the inner wall of the first soft surface protection layer (1), the inner wall of the second shielding layer (3) is fixedly connected with the outer wall of the second soft surface protective layer (4), the surface position of the first soft surface protective layer (1) penetrates through a plurality of uniformly distributed conductive devices (9), and the conductive devices (9) are fixedly connected with the outer surface position of the second shielding layer (3).
3. The ultra-strong electromagnetic compatibility and antistatic protection device according to claim 2, characterized in that the insulation layer (7) is made of asbestos fiber material, the first soft surface protection layer (1), the second soft surface protection layer (4) and the third soft surface protection layer (8) are made of rubber material, and the thermal insulation layer (5) is made of thermal insulation cotton material.
4. The ultra-strong electromagnetic compatibility and antistatic protection device according to claim 2, wherein the conductive device (9) comprises a fixed compression barrel (91), the fixed compression barrel (91) is fixedly connected with the surface of the first soft surface protection layer (1) in a penetrating manner, the lower surface of the fixed compression barrel (91) is fixedly connected with the outer wall of the second shielding layer (3) in a penetrating manner, the upper surface of the fixed compression barrel (91) is slidably connected with a telescopic conductive rod (94) in a penetrating manner, and the telescopic conductive rod (94) is located at one end of the fixed compression barrel (91) and is fixedly connected with a protection limiting block (92).
5. The ultra-strong electromagnetic compatibility and antistatic protection device according to claim 4, characterized in that the outer wall of the protection limit block (92) is connected with the inner wall of the fixed compression barrel (91) in a sliding manner, one end of the protection limit block (92) far away from the telescopic conducting rod (94) is fixedly connected with a compression spring (93), and one end of the compression spring (93) far away from the protection limit block (92) is fixedly connected with the inner bottom wall of the fixed compression barrel (91).
6. The ultra-strong electromagnetic compatibility and antistatic protection device according to claim 4, characterized in that the outer wall of the fixed compression barrel (91) and the first soft surface protection layer (1) are penetrated through fixed positions and are hermetically fixed with a protection connecting seat (10), and the protection connecting seat (10) is made of rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011356124.5A CN112466523B (en) | 2020-11-27 | 2020-11-27 | Superstrong electromagnetic compatibility and antistatic protection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011356124.5A CN112466523B (en) | 2020-11-27 | 2020-11-27 | Superstrong electromagnetic compatibility and antistatic protection device |
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| CN112466523A CN112466523A (en) | 2021-03-09 |
| CN112466523B true CN112466523B (en) | 2022-06-03 |
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| CN114360781B (en) * | 2021-12-22 | 2023-03-14 | 江苏苏缆电缆有限公司 | Cable core protection device capable of reducing static electricity |
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