An electronic information anti-interference device

Abstract

This utility model discloses an electronic information anti-interference device, relating to the field of anti-interference device technology, comprising: a first housing; a second housing detachably connected to the first housing; a first half-magnetic ring fixedly disposed inside the second housing; and a second half-magnetic ring fixedly disposed inside the first housing, with the second half-magnetic ring corresponding to the first half-magnetic ring in position, for splicing to form a complete magnetic ring. This utility model uses silicone pads continuously disposed on the inner wall of the first half-magnetic ring and the inner wall of the splicing groove, allowing the cable to contact the flexible material and avoiding wear on the cable insulation layer by the rigid magnetic ring. Simultaneously, the pressure of the cable on the silicone pads ensures that the silicone pads in the splicing groove are pre-tensioned. When the two half-magnetic rings are spliced, the elastic deformation of the silicone pads absorbs the impact energy of the splicing, avoiding rigid collisions between the magnetic rings and effectively protecting the brittle magnetic ring material.

Description

Technical Field

[0001] This utility model relates to the field of anti-interference technology, specifically to an electronic information anti-interference device. Background Technology

[0002] In electronic information systems, especially in the field of signal transmission, cables are often subject to external electromagnetic interference, leading to a degradation in signal quality. To suppress this interference, in engineering practice, magnetic rings (such as ferrite rings) are commonly used to wrap around the cables, utilizing the impedance characteristics of the magnetic rings to attenuate common-mode interference current.

[0003] Existing anti-interference magnetic rings are typically designed as a split structure, consisting of two half-rings housed within a plastic casing. During use, the two halves are snapped together and secured to the cable. However, this existing structure has the following drawbacks: when the two half-rings are joined, their joint surfaces are in rigid contact, and the impact force during joining may damage the brittle magnetic ring material (especially ferrite), affecting yield and service life. Furthermore, gaps are prone to form at the joint during use, hindering its operation. Utility Model Content

[0004] In view of the shortcomings of the existing technology, this utility model provides an electronic information anti-interference device.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows:

[0006] An electronic information anti-jamming device, comprising:

[0007] First shell;

[0008] The second housing is detachably connected to the first housing;

[0009] The first half-magnetic ring is fixedly disposed inside the second housing;

[0010] The second half magnetic ring is fixedly disposed inside the first housing, and the second half magnetic ring corresponds to the position of the first half magnetic ring, for assembly to form a complete magnetic ring;

[0011] At least one splicing groove is formed on the splicing surface of the first half magnetic ring;

[0012] At least one splicing protrusion is disposed on the splicing surface of the second half magnetic ring, the splicing protrusion being positioned corresponding to the splicing groove and used to engage with the splicing groove;

[0013] A silicone pad is fixedly disposed axially on the splicing surface of the first half-magnetic ring, and the silicone pad continuously covers at least a portion of the inner wall of the splicing groove and the entire inner wall of the first half-magnetic ring.

[0014] The silicone pad located on the inner wall of the splicing groove is in a tensioned state when the portion on the inner wall of the first half magnetic ring is pressed by the cable.

[0015] The splicing protrusion is pressed and inserted into the splicing groove, and the silicone pad is clamped therebetween. The clamping action creates a gap between the silicone pad located on the inner wall of the first half magnetic ring and the inner wall of the first half magnetic ring.

[0016] Preferably, the splicing groove is an arc-shaped groove, and the splicing protrusion is an arc-shaped protrusion adapted to the arc-shaped groove.

[0017] Preferably, at least one end of the first housing and the second housing is narrowed, and a plurality of grooves are formed circumferentially on the inner wall of the distal end of the narrowed end. The grooves communicate with the gap to form a heat dissipation channel extending axially along the housing.

[0018] Preferably, the silicone pad has a plurality of raised ribs or dots on the side surface facing the inner wall of the first half-magnetic ring. The ribs or dots are used to support the silicone pad to separate from the inner wall of the first half-magnetic ring when the silicone pad is pulled, so as to form the heat dissipation gap.

[0019] Preferably, two splicing grooves are formed on the splicing surface of the first half magnetic ring, and the two splicing grooves are symmetrically distributed along the axial direction of the first half magnetic ring; two splicing protrusions are correspondingly provided on the splicing surface of the second half magnetic ring.

[0020] Preferably, both the first housing and the second housing are provided with a plurality of threaded cylinders inside. The threaded cylinders are located on the periphery of the first half magnetic ring or the second half magnetic ring, and bolts for fixing the first housing and the second housing are screwed into the threaded cylinders.

[0021] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0022] 1. Flexible protection and buffering function: This utility model continuously sets silicone pads on the inner wall of the first half magnetic ring and the inner wall of the splicing groove, so that the cable comes into contact with flexible materials, avoiding wear of the cable insulation layer by the rigid magnetic ring; at the same time, the silicone pads in the splicing groove are pre-tensioned by the pressure of the cable on the silicone pads; when the two half magnetic rings are spliced, the splicing protrusion first impacts and squeezes the taut silicone pad, and the elastic deformation of the silicone pad itself absorbs the impact energy of splicing, avoiding rigid collision between magnetic rings and effectively protecting the brittle magnetic ring material;

[0023] 2. Actively Forming a Heat Dissipation Gap: This invention utilizes the mechanical transmission effect generated when the silicone pad is clamped. Specifically, after the splicing protrusion is squeezed and inserted into the splicing groove, the clamped silicone pad is subjected to an outward pulling force. This pulling force is transmitted along the silicone pad continuum to the silicone pad portion on the inner wall of the first half-magnetic ring, causing it to actively deform away from the inner wall, thereby forming a gap between the silicone pad and the inner wall of the magnetic ring. This gap, as a channel for air circulation, can effectively dissipate the heat generated by the cable and magnetic ring during operation, improving the thermal stability and reliability of the anti-interference device. Attached Figure Description

[0024] The disclosure of this utility model is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. In the drawings, the same reference numerals are used to refer to the same parts. Wherein:

[0025] Figure 1 This is a three-dimensional structural schematic diagram of the electronic information anti-interference device of this utility model;

[0026] Figure 2 This is an exploded structural diagram of the electronic information anti-interference device of this utility model;

[0027] Figure 3 This is a second-view exploded view of the electronic information anti-interference device of this utility model;

[0028] Figure 4 This is a top view of the electronic information anti-interference device of this utility model;

[0029] Figure 5 This utility model is an electronic information anti-interference device. Figure 4 A cross-sectional three-dimensional structural schematic diagram;

[0030] Figure 6 This utility model is an electronic information anti-interference device. Figure 4 AA section view in the middle;

[0031] Figure 7 This utility model is an electronic information anti-interference device. Figure 6 A magnified structural diagram of A in the middle.

[0032] The diagram is labeled as follows: 1. First housing; 2. Second housing; 3. First half magnetic ring; 4. Second half magnetic ring; 5. Splicing groove; 6. Splicing protrusion; 7. Silicone pad; 8. Groove; 9. Threaded cylinder; 10. Bolt. Detailed Implementation

[0033] It is readily understood that, based on the technical solution of this utility model, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of this utility model. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative descriptions of the technical solution of this utility model and should not be considered as the entirety of this utility model or as limitations or restrictions on the technical solution of this utility model.

[0034] Example

[0035] like Figures 1-7 As shown, an electronic information anti-interference device includes a first housing 1, a second housing 2, a first half-magnetic ring 3, a second half-magnetic ring 4, a splicing groove 5, a splicing protrusion 6, a silicone pad 7, and a threaded cylinder 9 and bolts 10 for fixing. Figure 1 As shown, the second housing 2 is detachably connected to the first housing 1. The first half-magnetic ring 3 is fixedly disposed inside the second housing 2, and the second half-magnetic ring 4 is fixedly disposed inside the first housing 1, with the second half-magnetic ring 4 corresponding to the first half-magnetic ring 3, for forming a complete annular magnetic ring when the two are assembled. Multiple threaded cylinders 9 are provided inside both the first housing 1 and the second housing 2. The threaded cylinders 9 are located on the periphery of the first half-magnetic ring 3 or the second half-magnetic ring 4, and bolts 10 for fixing and connecting the first housing 1 and the second housing 2 are screwed into the threaded cylinders 9. At least one splicing groove 5 is formed on the splicing surface of the first half-magnetic ring 3, and at least one splicing protrusion 6 is correspondingly provided on the splicing surface of the second half-magnetic ring 4. The splicing protrusion 6 corresponds to the splicing groove 5 and is used to engage with the splicing groove 5 during assembly. In order to achieve flexible support for the cable, splicing buffer and active formation of heat dissipation gap, the silicone pad 7 is fixedly disposed axially on the splicing surface of the first half magnetic ring 3, and the silicone pad 7 continuously covers at least a part of the inner wall of the splicing groove 5 and the entire inner wall of the first half magnetic ring 3.

[0036] Specifically, when the operator places the cable onto the silicone pad 7 inside the first half-magnetic ring 3, the cable's own weight and the pressure from the subsequent pressing operation cause the cable to press against the silicone pad 7 located on the inner wall of the first half-magnetic ring 3, making it adhere tightly to the inner wall. Simultaneously, this pressing action is transmitted through the continuously arranged silicone pads 7 to the portion covering the inner wall of the splicing groove 5, thereby pulling that portion of the silicone pad 7 from its initial relaxed state to a taut state. In other words, after the cable is placed, the silicone pad 7 located on the inner wall of the splicing groove 5 is in a taut, pre-tensioned state, providing cushioning for subsequent splicing.

[0037] Furthermore, when the operator assembles the second half-magnetic ring 4 with the first half-magnetic ring 3, the splicing protrusion 6 on the second half-magnetic ring 4 first contacts and presses against the taut silicone pad 7 located on the inner wall of the splicing groove 5. Since the silicone pad 7 is already taut, it effectively absorbs the impact energy from the splicing protrusion 6, preventing a rigid collision between the first half-magnetic ring 3 and the second half-magnetic ring 4. Subsequently, the splicing protrusion 6 presses against the silicone pad 7 and engages with the splicing groove 5, being held between the splicing protrusion 6 and the inner wall of the splicing groove 5, thus forming an elastic buffer filling layer between them. This buffer filling layer not only attenuates the mechanical impact during assembly but also absorbs minor vibrations during subsequent use, preventing the magnetic ring from being damaged by long-term vibration.

[0038] Furthermore, during the aforementioned splicing and clamping process, the squeezing action of the splicing protrusion 6 is transmitted through the continuous structure of the silicone pad 7. Specifically, the silicone pad 7, clamped in the splicing groove 5, is subjected to an outward pulling force (i.e., away from the inner wall of the first half-magnetic ring 3). This pulling force is transmitted along the silicone pad 7 to the portion of the silicone pad 7 located on the inner wall of the first half-magnetic ring 3. Consequently, the silicone pad 7 located on the inner wall of the first half-magnetic ring 3 is pulled away from the inner wall, thereby forming a gap between the silicone pad 7 and the inner wall of the first half-magnetic ring 3. This gap constitutes a heat dissipation gap. This heat dissipation gap allows airflow, enabling timely dissipation of heat generated by the cable and magnetic ring during operation, thus improving the thermal stability of the anti-interference device.

[0039] Specifically, regarding the shapes of the splicing groove 5 and the splicing protrusion 6, in a preferred embodiment, the splicing groove 5 is configured as an arc-shaped groove, and the splicing protrusion 6 is configured as an arc-shaped protrusion adapted to the arc-shaped groove. The arc-shaped structure can avoid stress concentration, making the squeezing effect of the splicing protrusion 6 on the silicone pad 7 more uniform, thereby improving the cushioning effect and the stability of mechanical transmission.

[0040] Furthermore, to further enhance heat dissipation and increase the anti-rotation capability of the anti-interference device, at least one end of the first housing 1 and the second housing 2 is configured with a constricted opening. Additionally, multiple grooves 8 are circumferentially formed on the inner wall of the distal end of the constricted opening. For example... Figure 2 As shown, the groove 8 is interconnected with the heat dissipation gap formed by the stretching of the silicone pad 7, thus forming a complete heat dissipation channel extending along the axial direction of the housing. Through this heat dissipation channel, air can form convection between the inside of the housing and the external environment, significantly improving heat dissipation efficiency. At the same time, the groove 8 contacts the outer surface of the cable, increasing friction and preventing the anti-interference device from rotating relative to the cable during use, thus providing a rotational anti-slip function.

[0041] Furthermore, to ensure the heat dissipation gap remains stable under long-term use or manufacturing tolerances, this invention also provides an improved silicone pad structure. Specifically, the silicone pad 7 has multiple raised ribs or dots on its surface facing the inner wall of the first half-magnetic ring 3. When the silicone pad 7 is pulled by the splicing protrusions 6 in an attempt to separate from the inner wall, these raised ribs or dots act as a support structure, forcibly separating the main body of the silicone pad 7 from the inner wall of the first half-magnetic ring 3, thereby reliably maintaining the existence of the heat dissipation gap, and will not fail even when the silicone material undergoes slight permanent deformation.

[0042] Furthermore, as a preferred structure that is symmetrical and force-balanced, the first half-magnetic ring 3 has two splicing grooves 5 on its splicing surface, and the two splicing grooves 5 are symmetrically distributed along the axial direction of the first half-magnetic ring 3; correspondingly, the second half-magnetic ring 4 has two splicing protrusions 6 on its splicing surface. This symmetrical design ensures that the compressive and tensile forces during splicing are evenly distributed in the circumferential direction, which is beneficial for the uniform deformation of the silicone pad 7 to form an annular heat dissipation gap of uniform thickness.

[0043] Cable Placement and Silicone Pad Pre-tensioning: The operator opens the second housing 2 and places the cable on the silicone pad 7 inside the first half-magnetic ring 3. The cable's own weight and the pressure of the subsequent pressing operation will compress the silicone pad 7 located on the inner wall of the first half-magnetic ring 3, causing it to adhere to the inner wall. This compression is transmitted through the continuous structure of the silicone pad 7 to the portion covering the inner wall of the splicing groove 5, pulling that portion of the silicone pad 7 from a relaxed state to a taut pre-tensioned state, preparing for subsequent splicing buffering.

[0044] Magnetic Ring Assembly and Impact Buffering: When the second half-magnetic ring 4 is assembled with the first half-magnetic ring 3, the splicing protrusion 6 on the second half-magnetic ring 4 first contacts and presses against the taut silicone pad 7 on the inner wall of the splicing groove 5. The taut silicone pad 7 effectively absorbs the impact energy during assembly, preventing the first half-magnetic ring 3 and the second half-magnetic ring 4 from rigidly colliding and causing chipping or damage. Subsequently, the splicing protrusion 6 presses against the silicone pad 7 and engages with the splicing groove 5. The silicone pad 7 is held between the splicing protrusion 6 and the inner wall of the splicing groove 5, forming an elastic buffer filling layer. This filling layer not only attenuates the mechanical impact during assembly but also absorbs minor vibrations during use, protecting the magnetic ring from long-term vibration damage.

[0045] Active formation of the heat dissipation gap: During the splicing and clamping process, the compression of the silicone pad 7 by the splicing protrusion 6 is transmitted through the continuous structure: the silicone pad 7, clamped in the splicing groove 5, is subjected to an outward pulling force, which is transmitted along the silicone pad 7 to the portion of the silicone pad 7 located on the inner wall of the first half-magnetic ring 3. This portion of the silicone pad 7 is then pulled away from the inner wall, thereby forming a gap between the silicone pad 7 and the inner wall of the first half-magnetic ring 3—that is, a heat dissipation gap. This gap allows airflow, promptly dissipating the heat generated by the cables and the magnetic ring during operation, thus improving thermal stability.

[0046] Coordinated heat dissipation channels and anti-rotation: The grooves 8 formed on the inner walls of the constricted ends of the first housing 1 and the second housing 2 are interconnected with the aforementioned heat dissipation gaps, together forming a complete heat dissipation channel extending along the axial direction of the housings. Air can form convection between the inside of the housings and the external environment, significantly improving heat dissipation efficiency. At the same time, the grooves 8 contact the outer surface of the cable, increasing friction and preventing the anti-interference device from rotating relative to the cable.

[0047] Long-term reliability assurance: The silicone pad 7 has multiple raised ribs or dots on the side facing the inner wall of the first half magnetic ring 3. When the silicone pad 7 is pulled apart from the inner wall by the splicing protrusion 6, these protrusions act as a support structure, forcibly separating the main body of the silicone pad 7 from the inner wall, reliably maintaining the existence of the heat dissipation gap—it will not fail even when the silicone undergoes slight permanent deformation.

[0048] The continuous structure of the silicone pad 7 transmits the weight of the cable and the pressing pressure to the part covering the inner wall of the splicing groove 5, so that the silicone pad 7 is pulled from a relaxed state to a taut pre-tensioned state, which prepares for subsequent splicing buffer.

[0049] The splicing protrusion 6 on the second half magnetic ring 4 first contacts and squeezes the silicone pad 7, which is in a taut state, on the inner wall of the splicing groove 5. The taut silicone pad 7 can effectively absorb the splicing impact energy and avoid rigid collision between the first half magnetic ring 3 and the second half magnetic ring 4, which could cause chipping or damage.

[0050] By pressing the silicone pad 7 into the splicing groove 5 through the splicing protrusion 6, the silicone pad 7 is clamped between the splicing protrusion 6 and the inner wall of the splicing groove 5 to form an elastic buffer filling layer. This filling layer not only attenuates the mechanical impact during splicing, but also absorbs minor vibrations during use, protecting the magnetic ring from long-term vibration damage.

[0051] During the splicing and clamping process, the compression of the silicone pad 7 by the splicing protrusion 6 is transmitted through the continuous structure, causing the silicone pad 7 clamped in the splicing groove 5 to be subjected to an outward pulling force. This pulling force is transmitted along the silicone pad 7 to the portion of the silicone pad 7 located on the inner wall of the first half magnetic ring 3, thereby pulling this portion of the silicone pad 7 away from the inner wall, forming a heat dissipation gap between the silicone pad 7 and the inner wall of the first half magnetic ring 3, allowing air circulation and timely dissipation of the heat generated by the cable and magnetic ring during operation, thus improving thermal stability.

[0052] The grooves 8 opened on the inner walls of the constricted ends of the first housing 1 and the second housing 2 are interconnected with the aforementioned heat dissipation gap, forming a complete heat dissipation channel extending along the axial direction of the housing. This allows air to convect between the inside of the housing and the external environment, significantly improving heat dissipation efficiency. At the same time, the grooves 8 contact the outer surface of the cable, increasing friction and preventing the anti-interference device from rotating relative to the cable.

[0053] Multiple raised ribs or dots are provided on one side surface of the silicone pad 7 facing the inner wall of the first half magnetic ring 3. When the silicone pad 7 is pulled apart from the inner wall by the splicing protrusion 6, these protrusions act as a support structure to forcibly separate the main body of the silicone pad 7 from the inner wall, reliably maintaining the existence of the heat dissipation gap, and will not fail even when the silicone undergoes slight permanent deformation.

[0054] This anti-interference device utilizes the structural linkage of continuous silicone pads 7 to achieve a coordinated working process of "placement and pre-tensioning → splicing and buffering → self-formation of heat dissipation gaps". The arc-shaped splicing grooves 5 and arc-shaped splicing protrusions 6 avoid stress concentration, and their symmetrical distribution ensures uniform force distribution. The grooves 8 and gaps form an efficient heat dissipation channel, while the ribs or dots on the surface of the silicone pads 7 ensure the stable existence of the heat dissipation gaps during long-term use. Overall, this device integrates buffer protection, dynamic heat dissipation, and anti-rotation functions, effectively improving the reliability, thermal stability, and service life of the anti-interference device.

[0055] The technical scope of this utility model is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this utility model, and all such modifications and variations should fall within the protection scope of this utility model.

Claims

1. An electronic information anti-interference device, characterized in that, include: First shell (1); The second housing (2) is detachably connected to the first housing (1); The first half-magnetic ring (3) is fixedly disposed inside the second housing (2); The second half magnetic ring (4) is fixedly disposed inside the first housing (1), and the second half magnetic ring (4) corresponds to the position of the first half magnetic ring (3) for splicing to form a complete magnetic ring; At least one splicing groove (5) is formed on the splicing surface of the first half magnetic ring (3); At least one splicing protrusion (6) is disposed on the splicing surface of the second half magnetic ring (4), and the splicing protrusion (6) corresponds to the position of the splicing groove (5) and is used to be inserted into the splicing groove (5). A silicone pad (7) is fixedly disposed axially on the splicing surface of the first half magnetic ring (3), and the silicone pad (7) continuously covers at least a portion of the inner wall of the splicing groove (5) and the entire inner wall of the first half magnetic ring (3). Among them, the silicone pad (7) located on the inner wall of the splicing groove (5) is in a tensioned state when the portion on the inner wall of the first half magnetic ring (3) is pressed by the cable; The splicing protrusion (6) is squeezed and inserted into the splicing groove (5), and the silicone pad (7) is held therein. The holding action creates a gap between the silicone pad (7) located on the inner wall of the first half magnetic ring (3) and the inner wall of the first half magnetic ring (3).

2. The electronic information anti-interference device according to claim 1, characterized in that: The splicing groove (5) is an arc-shaped groove, and the splicing protrusion (6) is an arc-shaped protrusion that is adapted to the arc-shaped groove.

3. An electronic information anti-jamming device according to claim 2, characterized in that: At least one end of the first housing (1) and the second housing (2) is provided with a constricted opening, and a plurality of grooves (8) are provided circumferentially on the inner wall of the far end of the constricted opening. The grooves (8) communicate with the gap to form a heat dissipation channel extending along the axial direction of the housing.

4. The electronic information anti-interference device according to claim 3, characterized in that: The silicone pad (7) has a plurality of raised ribs or dots on one side of the surface facing the inner wall of the first half-magnetic ring (3). The ribs or dots are used to support the silicone pad (7) to separate from the inner wall of the first half-magnetic ring (3) when the silicone pad (7) is pulled, so as to form a heat dissipation gap.

5. An electronic information anti-jamming device according to claim 4, characterized in that: Two splicing grooves (5) are provided on the splicing surface of the first half magnetic ring (3), and the two splicing grooves (5) are symmetrically distributed along the axial direction of the first half magnetic ring (3); two splicing protrusions (6) are correspondingly provided on the splicing surface of the second half magnetic ring (4).

6. An electronic information anti-jamming device according to claim 5, characterized in that: The first housing (1) and the second housing (2) are each provided with a plurality of threaded cylinders (9). The threaded cylinders (9) are located on the periphery of the first half magnetic ring (3) or the second half magnetic ring (4). Bolts (10) for fixing the first housing (1) and the second housing (2) are screwed into the threaded cylinders (9).

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