Protective device for wavelength division multiplexer and wavelength division multiplexing assembly

Abstract

The protection device for the wavelength division multiplexer comprises a plate-shaped base, the upper surface of the base is provided with a placement positioning groove, and the lower surface of the base is provided with a plurality of anti-skid pieces; one side of the base is provided with a drawable supporting plate and a containing groove, and the base is provided with an abutting screw which abuts against the supporting plate after the position of the supporting plate is adjusted; the front end of the supporting plate is provided with a plurality of open grooves, plastic strips are rotatably arranged in the open grooves in a damping mode, and the upper surfaces of the plastic strips are provided with positioning grooves for positioning optical fibers in the length direction; when the optical fiber bending prevention device is used, a wavelength division multiplexer with an optical fiber bending prevention requirement is placed in the positioning groove in the base, then the supporting plate is pulled out of the containing groove by a required length, the supporting plate is tightly abutted and fixed through the abutting screws, then the plastic strips are rotated and adjusted one by one according to needs to reach required angles, and the optical fibers are correspondingly placed in the positioning groove. The tail part of the optical fiber is buffered and protected by the plastic strip, so that the bending condition can be effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of wavelength division multiplexer, more particularly to a kind of protective device and wave division multiplexing assembly for wavelength division multiplexer. BACKGROUND

[0002] In modern optical fiber communication systems, wavelength division multiplexer (WDM) plays a vital role. It can transmit multiple signals of different wavelengths simultaneously on a single optical fiber, greatly improving the bandwidth utilization of optical fiber and the transmission capacity of communication systems.

[0003] At present, the places needing protection on the wavelength division multiplexer are concentrated on the optical fiber connection port. The existing protection design usually adds a protective sleeve to this position. However, the design length of this protective sleeve is relatively short, and it often cannot protect the fiber line near the joint within 30-100mm. In the case of a wavelength division multiplexer with a suspended optical fiber connector, this part often naturally bends in a downward state, and is more likely to break when subjected to external impact. Therefore, there is a need for a protective device and wave division multiplexing assembly for wavelength division multiplexer that can handle this application scenario. SUMMARY

[0004] The technical problem to be solved by the utility model is to provide a protective device for wavelength division multiplexer and a wave division multiplexing assembly to address the above-mentioned deficiencies of the prior art.

[0005] The technical solution adopted by the utility model to solve its technical problem is:

[0006] A protective device for wavelength division multiplexer is constructed, which includes a base in the form of a plate. The upper surface of the base is provided with a placement and positioning groove for placing and positioning the wavelength division multiplexer. The lower surface of the base is provided with a plurality of anti-skid members. The side of the base near the connection port of the wavelength division multiplexer is provided with a pull-out support plate and a corresponding accommodation groove. The base is provided with a tightening screw that tightens against the support plate after adjusting its position. The front end of the support plate is provided with a plurality of grooves. A plastic strip is rotatably arranged in the groove. The upper surface of the plastic strip is provided with a positioning groove along the length direction for positioning the optical fiber.

[0007] The protective device for wavelength division multiplexer, wherein the middle part of the plastic strip is rotatably connected to the middle part of the groove. When the plastic strip is rotated to a horizontal state, it is completely accommodated in the groove.

[0008] The protective device for wavelength division multiplexer, wherein a limiting block is arranged in the groove to limit the rotation of the plastic strip. When the plastic strip is rotated to a horizontal state, the lower surface of the plastic strip contacts the upper surface of the limiting block.

[0009] The utility model discloses a protection device for wavelength division multiplexer, wherein the inner bottom of the placing and positioning groove is provided with a heat-conducting silica gel layer, the heat-conducting silica gel layer contacts the wavelength division multiplexer and the base and conducts heat.

[0010] The utility model discloses a protection device for wavelength division multiplexer, wherein the support plate is a hollow metal plate.

[0011] The utility model discloses a protection device for wavelength division multiplexer, wherein one side surface of the base is provided with a screw hole matched with the abutting screw, the opening of the screw hole is perpendicular to the opening direction of the containing groove, and the screw hole is in communication with the containing groove.

[0012] The utility model discloses a protection device for wavelength division multiplexer, wherein a horizontal rod is fixedly arranged on the support plate, the horizontal rod horizontally penetrates through a plurality of the grooves and a plurality of the plastic strips, a through hole is formed in the plastic strip, and a damping rubber sleeve is fixedly arranged in the through hole and sleeved on the horizontal rod.

[0013] The utility model discloses a protection device for wavelength division multiplexer, wherein the anti-skid piece is an anti-skid foot pad.

[0014] A wavelength division multiplexing assembly, wherein the wavelength division multiplexing assembly comprises a wavelength division multiplexer and the protection device for the wavelength division multiplexer.

[0015] The utility model discloses a protection device for wavelength division multiplexer, wherein one side surface of the base is provided with a screw hole matched with the abutting screw, the opening of the screw hole is perpendicular to the opening direction of the containing groove, and the screw hole is in communication with the containing groove. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the present application will be further described below with reference to the drawings and embodiments. The drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings:

[0017] Figure 1 It is the structure schematic diagram of the protection device for wavelength division multiplexer of the preferred embodiment of the utility model;

[0018] Figure 2This is a cross-sectional view of the plastic strip assembly of the protective device for the wavelength division multiplexer according to a preferred embodiment of the present invention. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, a clear and complete description will be provided below in conjunction with the technical solutions in the embodiments of this utility model. Obviously, the described embodiments are some, but not all, of the embodiments of this utility model. Based on the embodiments of this invention, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0020] The preferred embodiment of this utility model includes a protective device for a wavelength division multiplexer, such as... Figure 1 As shown, see also Figure 2 The system includes a plate-shaped base 1, with a positioning groove 10 on the upper surface for placing and positioning a wavelength division multiplexer, and multiple anti-slip parts 11 on the lower surface of the base 1. A pull-out support plate 12 and a corresponding receiving groove 13 are provided on the side of the base 1 near the wiring port of the wavelength division multiplexer. A clamping screw 14 is provided on the base 1 to clamp the support plate 12 after adjusting its position. Multiple slots 120 are provided at the front end of the support plate 12, and a plastic strip 121 is provided in the slot 120 for damping rotation. A positioning groove 122 for positioning optical fibers is provided on the upper surface of the plastic strip 121 along its length.

[0021] In use, place the wavelength division multiplexer (WDM) with fiber optic bending protection requirements into the positioning slot 10 on the base 1, then pull the support plate 12 out of the receiving slot 13 to the required length, and secure the support plate 12 with the tightening screws 14. Then, adjust the plastic strips 121 one by one to the required angle as needed, and place the fiber optic cable into the corresponding positioning slot 122. The plastic strips 121 provide buffer protection for the tail of the fiber optic cable, which can effectively reduce bending. The overall structure is simple and does not require modification of the WDM itself. It provides fiber optic protection and anti-slip protection for the WDM, making it suitable for widespread adoption.

[0022] Preferably, the middle of the plastic strip 121 is damped and rotatably connected to the middle of the slot 120; when the plastic strip 121 rotates to the lateral position, it is completely accommodated by the slot 120; with this structural design, the plastic strip 121 can be perfectly stored, and after the support plate 12 is put into the receiving slot 13, the integrity of the base 1 can be well guaranteed, which is convenient for transportation.

[0023] Preferably, a limiting block 123 is provided in the slot 120 to limit the rotation of the plastic strip 121; when the plastic strip 121 rotates to the lateral position, the lower surface of the plastic strip 121 contacts the upper surface of the limiting block 123; while guiding the rotation adjustment direction of the plastic strip 121 to prevent misoperation, it also limits the rotation angle of the plastic strip 121 when it is stored, making it convenient and quick to store.

[0024] Preferably, a thermally conductive silicone layer 15 is provided at the bottom of the positioning groove 10. The thermally conductive silicone layer 15 contacts the wavelength division multiplexer and the base 1 and conducts heat. This allows the base 1 to be used as a heat dissipation device while providing buffering and shock absorption protection by relying on the thermally conductive silicone layer, thus helping the wavelength division multiplexer to dissipate heat.

[0025] Preferably, the support plate 12 is a hollow metal plate, which is lightweight and can also be used for heat dissipation.

[0026] Preferably, a screw hole is provided on one side surface of the base 1 to cooperate with the tightening screw 14. The opening of the screw hole is perpendicular to the opening direction of the receiving groove 13 and the screw hole is connected to the receiving groove 13. The structure is simple, easy to adjust, and has good overall integrity.

[0027] Preferably, a crossbar 124 is fixedly inserted into the support plate 12. The crossbar 124 passes laterally through multiple slots 120 and multiple plastic strips 121. A through hole 125 is opened on the plastic strip 121, and a damping sleeve 126 is fixedly installed in the through hole 125 and sleeved on the crossbar 124. The damping rotation assembly of the plastic strip 121 is realized by the cooperation of the damping sleeve 126 and the crossbar 124. The structure is simple and the cost is low.

[0028] Preferably, the anti-slip component 11 is an anti-slip pad, which is understandable, but it can also be replaced with an anti-slip mat, etc.

[0029] A wavelength division multiplexing (WDM) assembly, wherein the WDM assembly includes a WDM multiplexer and a protective device for the WDM multiplexer as described above.

[0030] It should be understood that those skilled in the art can make improvements or modifications based on the above description, and all such improvements and modifications should fall within the protection scope of the appended claims.

Claims

1. A protective device for a wavelength division multiplexer, characterized in that, The device includes a plate-shaped base, the upper surface of which has a positioning groove for placing and positioning a wavelength division multiplexer, and the lower surface of which has multiple anti-slip parts. A pull-out support plate and a corresponding receiving groove are provided on the side of the base near the wiring port of the wavelength division multiplexer. The base is equipped with clamping screws for adjusting the position of the support plate. The front end of the support plate has multiple slots, within which a damping plastic strip is rotatably mounted. The upper surface of the plastic strip has a positioning groove along its length for positioning optical fibers.

2. The protective device for wavelength division multiplexers according to claim 1, characterized in that, The plastic strip is rotatably connected to the middle of the slot; when the plastic strip rotates to the lateral position, it is completely accommodated by the slot.

3. The protective device for wavelength division multiplexers according to claim 2, characterized in that, The slot is provided with a limiting block to limit the rotation of the plastic strip; when the plastic strip rotates to the lateral position, the lower surface of the plastic strip contacts the upper surface of the limiting block.

4. The protective device for a wavelength division multiplexer according to claim 1, characterized in that, A thermally conductive silicone layer is provided at the bottom of the placement and positioning slot. The thermally conductive silicone layer contacts the wavelength division multiplexer and the base and conducts heat.

5. The protective device for a wavelength division multiplexer according to claim 4, characterized in that, The support plate is a hollow metal plate.

6. The protective device for a wavelength division multiplexer according to claim 5, characterized in that, The base has a screw hole on one side surface that mates with the tightening screw. The opening of the screw hole is perpendicular to the opening direction of the receiving groove, and the screw hole is connected to the receiving groove.

7. The protective device for a wavelength division multiplexer according to claim 5, characterized in that, A crossbar is fixedly inserted through the support plate. The crossbar passes laterally through multiple slots and multiple plastic strips. A through hole is opened on the plastic strip, and a damping rubber sleeve fitted on the crossbar is fixedly installed in the through hole.

8. The protective device for a wavelength division multiplexer according to claim 1, characterized in that, The anti-slip component is an anti-slip pad.

9. A wavelength division multiplexing (WDM) component, characterized in that, The wavelength division multiplexing assembly includes a wavelength division multiplexer and a protection device for the wavelength division multiplexer as described in any one of claims 1-8.

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