Anti-interference optical fiber transceiver

Abstract

The utility model relates to the technical field of optical fiber communication, and discloses an anti-interference optical fiber transceiver which comprises an equipment box, the inner side of the equipment box is fixedly connected with an outer shielding layer, the inner side of the outer shielding layer is fixedly connected with an inner shielding layer, the outer side of the inner shielding layer is fixedly connected with a guide rod, the outer side of the outer shielding layer is provided with a reserved hole, and the reserved hole is communicated with the guide rod. The guide rod penetrates through the preformed hole and is fixedly connected with a grounding plate, the outer side of the grounding plate penetrates through the equipment box, the top of the front side of the left end of the equipment box is fixedly connected with a positioning plate, the front side and the rear side of the top end of the positioning plate are fixedly connected with springs, and the other end of each spring is fixedly connected with a movable cover. According to the utility model, through the cooperation among the outer shielding layer, the inner shielding layer and the spring, the electric appliance can be protected and the influence of dust can be reduced, and through the cooperation among the electric fan, the filter screen and the scraper blade, the filter screen can be cleaned through picking up and placing.

Description

Technical Field

[0001] The utility model relates to the technical field of optical fiber communication, in particular to an anti-interference optical fiber transceiver. Background Art

[0002] An optical fiber refers to a slender and transparent fiber made of glass or plastic for transmitting optical signals. It has a core with a high refractive index and is wrapped by a cladding with a low refractive index. To facilitate the optical fiber to receive and transmit signals, an anti-interference optical fiber transceiver is required.

[0003] After retrieval, the Chinese patent publication number is: CN207037162U, which discloses an optical fiber transceiver, including a housing and an optical fiber transceiver module arranged inside the housing. The top of the housing is provided with a first ventilation opening, the first side wall of the housing is provided with a second ventilation opening, the second side wall opposite to the first side wall is provided with a third ventilation opening, the right side of the housing is provided with a jack, a frame is arranged outside the jack, a plurality of first springs are arranged between the frame and the host, a fixed block is arranged at the top of the frame, an arc-shaped fixed seat is arranged at the bottom inside the frame, a movable seat is arranged above the fixed seat, a reflective layer is covered on the inner wall of the housing, and a plurality of optical fiber receiving modules and a plurality of optical fiber transmitting modules are arranged inside the housing. This optical fiber transceiver of the utility model can effectively prevent dust and quickly dissipate heat inside the optical fiber transceiver, ensure the long-term stable operation of the optical fiber transceiver, facilitate fixed wiring, effectively protect the wiring, extend the service life, and can effectively avoid signal interference between optical fibers, ensuring signal stability. However, when the device is actually used, it cannot reduce the interference of external electromagnetic fields on optical fiber signals, resulting in the possibility of signal reception and transmission being affected, thus reducing the practicability of the device. Summary of the Utility Model

[0004] To make up for the above deficiencies, the utility model provides an anti-interference optical fiber transceiver, aiming to improve the problem that the transceiver in the prior art cannot reduce the influence of electromagnetic fields on the signal transmission of the device.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: An anti-interference optical fiber transceiver, including an equipment box, an outer shielding layer is fixedly connected to the inner side of the equipment box, an inner shielding layer is fixedly connected to the inner side of the outer shielding layer, a guide rod is fixedly connected to the outer side of the inner shielding layer, a reserved hole is opened on the outer side of the outer shielding layer, the guide rod penetrates through the reserved hole and is fixedly connected to a grounding plate, the outer side of the grounding plate penetrates through the equipment box, a positioning plate is fixedly connected to the top of the front side of the left end of the equipment box, springs are fixedly connected to both the front and rear sides of the top end of the positioning plate, the other ends of the springs are fixedly connected to a movable cover, and a dust removal mechanism is arranged on the outer side of the equipment box, and the dust removal mechanism is used to maintain ventilation during heat dissipation.

[0006] According to the above technical solution: By isolating the outer shielding layer and the inner shielding layer, the Faraday cage effect is achieved, providing electromagnetic shielding protection for internal devices. The grounding plate is connected through a guide rod, effectively conducting excess electrical energy into the ground, thereby enhancing safety. The elastic potential energy of the spring ensures that the movable cover remains closed at all times when the wiring is not opened or closed, thus reducing the impact of dust on the electrical appliances.

[0007] As a further description of the above technical solution:

[0008] The dust removal mechanism includes two filters, which are respectively fixedly connected to the front and rear sides of the outer wall of the equipment box. The front and rear sides of the inner wall of the equipment box are both slidably connected with brackets. The top of the bracket is fixedly connected with a scraper. The front and rear sides of the bottom of the equipment box are both communicated with positioning frames, and a fan is rotatably connected inside the positioning frames.

[0009] According to the above technical solution: By starting the fan to promote the air flow in the positioning frame, the air entering the device is filtered and dissipated through the filter. When the device is picked up, its weight will cause the scraper to move downward, thereby scraping the impurities on the surface of the filter. This design realizes the cleaning of the filter through simple picking up and placing operations.

[0010] As a further description of the above technical solution:

[0011] Positioning blocks are fixedly connected to the four sides of the outer wall of the equipment box, and positioning holes are opened on the outer sides of the positioning blocks.

[0012] According to the above technical solution: The device can be fixed and installed.

[0013] As a further description of the above technical solution:

[0014] A baffle is arranged on the rear side of the left end of the outer wall of the equipment box, and a hinge is fixedly connected to the top of the baffle. The baffle is rotatably connected to the equipment box through the hinge.

[0015] According to the above technical solution: It can prevent dust from entering the device when not in use.

[0016] As a further description of the above technical solution:

[0017] A heat dissipation plate is fixedly connected to the right side of the top of the equipment box, and heat dissipation fins are fixedly connected to the front and rear sides of the outer wall of the heat dissipation plate.

[0018] According to the above technical solution: It can improve the heat dissipation effect of the device.

[0019] As a further description of the above technical solution:

[0020] A handle is fixedly connected to the right side of the top of the equipment box, and a sheath is fixedly connected to the outside of the handle.

[0021] According to the above technical solution: It is convenient to carry the device.

[0022] As a further description of the above technical solution:

[0023] A reserved groove is provided at the top of the outer shielding layer, and a conductive layer is fixedly connected to the inside of the reserved groove.

[0024] According to the above technical solution: The shielding ability against electromagnetic interference can be enhanced.

[0025] As a further description of the above technical solution:

[0026] A filter is fixedly connected to the left side of the top of the equipment box, and the output end of the filter penetrates through the equipment box.

[0027] According to the above technical solution: The electromagnetic interference signals attached to the power line can be filtered out.

[0028] The present utility model has the following beneficial effects:

[0029] 1. In the present utility model, through the isolation of the outer shielding layer and the inner shielding layer, the Faraday cage effect is realized, providing electromagnetic shielding protection for the internal equipment. The grounding plate is connected through a guide rod, effectively leading the redundant electric energy into the ground, thereby improving safety. The elastic potential energy of the spring ensures that the movable cover always remains closed when the wiring is not opened or closed, thus reducing the impact of dust on the electrical appliances, and improving the practicability of the device.

[0030] 2. In the present utility model, by starting the electric fan to promote the air flow in the positioning frame, the air entering the device is filtered and cooled through the filter screen. When the device is picked up, its weight will cause the scraper to move downward, thereby scraping the impurities on the surface of the filter screen. This design realizes the cleaning of the filter screen through simple picking up and placing operations, thereby improving the convenience of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 is a three-dimensional view of an anti-interference optical fiber transceiver proposed by the present utility model;

[0032] Figure 2 is a partial structural split view of an anti-interference optical fiber transceiver proposed by the present utility model;

[0033] Figure 3 is a display view of the dust removal mechanism of an anti-interference optical fiber transceiver proposed by the present utility model.

[0034] Legend Explanation:

[0035] 1. Equipment box; 2. Dust removal mechanism; 201. Filter screen; 202. Scraper; 203. Bracket; 204. Positioning frame; 205. Electric fan; 3. Outer shielding layer; 4. Inner shielding layer; 5. Guide rod; 6. Reserved hole; 7. Grounding plate; 8. Positioning plate; 9. Spring; 10. Movable cover; 11. Hinge; 12. Baffle; 13. Positioning block; 14. Positioning hole; 15. Reserved groove; 16. Conductive layer; 17. Filter; 18. Handle; 19. Sheath; 20. Heat dissipation plate; 21. Heat sink. Detailed implementation mode

[0036] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0037] Refer to Figure 1 . Figure 2 And Figure 3 , an embodiment provided by the present invention: an anti-interference optical fiber transceiver, including an equipment box 1, an outer shielding layer 3 is fixedly connected to the inner side of the equipment box 1, an inner shielding layer 4 is fixedly connected to the inner side of the outer shielding layer 3, a guide rod 5 is fixedly connected to the outer side of the inner shielding layer 4, a reserved hole 6 is opened on the outer side of the outer shielding layer 3, the guide rod 5 penetrates through the reserved hole 6 and is fixedly connected to a grounding plate 7, the outer side of the grounding plate 7 penetrates through the equipment box 1, a positioning plate 8 is fixedly connected to the top front side of the left end of the equipment box 1, springs 9 are fixedly connected to the front and rear sides of the top of the positioning plate 8, the other ends of the springs 9 are fixedly connected to a movable cover 10, and a dust removal mechanism 2 is arranged on the outer side of the equipment box 1, and the dust removal mechanism 2 is used to maintain ventilation during heat dissipation;

[0038] Specifically, through the isolation of the outer shielding layer 3 and the inner shielding layer 4, the Faraday cage phenomenon can be formed to provide electromagnetic protection for the internal equipment. At the same time, through the grounding plate 7 connected by the guide rod 5, the redundant electric energy can be discharged into the ground to improve safety. At the same time, through the elastic potential energy of the spring 9, when wiring without opening and closing the movable cover 10, the movable cover 10 can always remain closed to reduce the influence of dust on the electrical appliances.

[0039] Refer to Figure 2 And Figure 3 , the dust removal mechanism 2 includes two filter screens 201, the two filter screens 201 are respectively fixedly connected to the front and rear sides of the outer wall of the equipment box 1, brackets 203 are slidably connected to the front and rear sides of the inner wall of the equipment box 1, scrapers 202 are fixedly connected to the tops of the brackets 203, positioning frames 204 are communicated with the front and rear sides of the bottom of the equipment box 1, and electric fans 205 are rotatably connected to the inside of the positioning frames 204;

[0040] Specifically, starting the electric fan 205 can drive the air flow inside the device through the positioning frame 204, enabling the air flow to pass through the filter screen 201 and enter the device for heat dissipation. At the same time, the filter screen 201 can filter out impurities in the air flow. When the device is picked up, the weight will drive the scraper 202 to move downward, causing it to scrape along the surface of the filter screen 201 to remove the attached impurities. Cleaning of the filter screen 201 can be achieved through the operations of picking up and placing. Among them, the electric fan 205 can use the DP200A cabinet silent axial flow fan heat dissipation fan.

[0041] Refer to Figure 1 and Figure 3 As shown in and, positioning blocks 13 are fixedly connected to the outer walls around the device box 1, and positioning holes 14 are provided on the outer sides of multiple positioning blocks 13; a baffle 12 is provided at the rear side of the left end of the outer wall of the device box 1, and a hinge 11 is fixedly connected to the top of the baffle 12. The baffle 12 is rotationally connected to the device box 1 through the hinge 11; a heat dissipation plate 20 is fixedly connected to the right side of the top of the device box 1, and heat dissipation fins 21 are fixedly connected to the front and rear sides of the outer wall of the heat dissipation plate 20.

[0042] Specifically, through the positioning blocks 13 and the positioning holes 14 thereon, it is convenient to support and fix the device. Through the hinge 11, the baffle 12 can be opened and closed to prevent external impurities from entering the device interior when not in use. Through the heat dissipation plate 20 and the heat dissipation fins 21 thereon, the heat dissipation effect can be further improved.

[0043] Refer to Figure 2 and Figure 3 As shown in and, a handle 18 is fixedly connected to the right side of the top of the device box 1, and a sheath 19 is fixedly connected to the outside of the handle 18; a reserved groove 15 is provided at the top of the outer shielding layer 3, and a conductive layer 16 is fixedly connected to the inside of the reserved groove 15; a filter 17 is fixedly connected to the left side of the top of the device box 1, and the output end of the filter 17 penetrates the device box 1.

[0044] Specifically, through the handle 18 and the sheath 19 thereon, it is convenient to hold and carry the device. Through the conductive layer 16 in the reserved groove 15, the shielding ability against electromagnetic interference can be enhanced. Through the filter 17, the electromagnetic interference signals attached to the power line can be filtered out. Among them, the filter 17 can use the KEILS power filter.

[0045] Working principle: Before using the device, first, through the isolation of the outer shielding layer 3 and the inner shielding layer 4, the Faraday cage effect is realized to provide electromagnetic shielding protection for the internal devices. The grounding plate 7 is connected through the guide rod 5 to effectively conduct the redundant electric energy into the ground and improve safety. The elastic potential energy of the spring 9 ensures that the movable cover 10 remains closed when not opening and closing the wiring, reducing the influence of dust on the electrical appliances.

[0046] By starting the electric fan 205 to drive the air flow in the positioning frame 204, the air entering the device is filtered and cooled by the filter screen 201. When the device is lifted, its weight causes the scraper 202 to move downward to scrape the impurities on the surface of the filter screen 201, and the cleaning of the filter screen 201 can be achieved through simple lifting and placing operations.

[0047] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An anti-interference optical fiber transceiver, comprising a device box (1), characterized in that: The inner side of the device box (1) is fixedly connected to an outer shielding layer (3), the inner side of the outer shielding layer (3) is fixedly connected to an inner shielding layer (4), the outer side of the inner shielding layer (4) is fixedly connected to a guide rod (5), the outer side of the outer shielding layer (3) is provided with a reserved hole (6), the guide rod (5) passes through the reserved hole (6) and is fixedly connected to a grounding plate (7), the outer side of the grounding plate (7) passes through the device box (1), the left front top of the device box (1) is fixedly connected to a positioning plate (8), the front and rear sides of the top of the positioning plate (8) are fixedly connected to a spring (9), the other end of the spring (9) is fixedly connected to a movable cover (10), and a dust removal mechanism (2) is provided on the outer side of the device box (1), and the dust removal mechanism (2) is used to maintain ventilation during heat dissipation.

2. The anti-interference optical fiber transceiver according to claim 1, characterized in that: The dust removal mechanism (2) comprises two filter screens (201), the two filter screens (201) are respectively fixedly connected to the front and rear sides of the outer wall of the device box (1), the front and rear sides of the inner wall of the device box (1) are slidably connected to a bracket (203), the top of the bracket (203) is fixedly connected to a scraper (202), the front and rear sides of the bottom of the device box (1) are connected to a positioning frame (204), and the interior of the positioning frame (204) is rotatably connected to an electric fan (205).

3. The anti-interference optical fiber transceiver according to claim 1, characterized in that: Positioning blocks (13) are fixedly connected to the outer wall of the device box (1) on all sides, and positioning holes (14) are formed on the outer sides of a plurality of the positioning blocks (13).

4. The anti-interference optical fiber transceiver according to claim 1, characterized in that: A baffle (12) is provided at the rear side of the left end of the outer wall of the device box (1), and a hinge (11) is fixedly connected to the top of the baffle (12). The baffle (12) is rotatably connected to the device box (1) via the hinge (11).

5. The anti-interference optical fiber transceiver according to claim 1, characterized in that: A heat sink (20) is fixedly connected to the right side of the top of the device box (1), and heat sinks (21) are fixedly connected to the front and rear sides of the outer wall of the heat sink (20).

6. The anti-interference optical fiber transceiver according to claim 1, characterized in that: A handle (18) is fixedly connected to the right side of the top end of the device box (1), and a protective sheath (19) is fixedly connected to the outer side of the handle (18).

7. The anti-interference optical fiber transceiver according to claim 1, characterized in that: A reserved groove (15) is provided on the top of the outer shielding layer (3), and a conductive layer (16) is fixedly connected to the inner side of the reserved groove (15).

8. The anti-interference optical fiber transceiver according to claim 1, characterized in that: A filter (17) is fixedly connected to the left side of the top end of the device box (1), and the output end of the filter (17) passes through the device box (1).

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