CN218006251U - High-efficient data optical transmitter and receiver with anti-interference function - Google Patents

Abstract

The utility model discloses a high-efficient data optical transmitter and receiver with anti-interference function, including the casing with locate the inside circuit board of casing, all coating has the magnetostatic shielding layer on the medial surface of the preceding lateral wall of casing, back lateral wall, last lateral wall and end lateral wall, the inside left and right both sides of casing are equipped with baffle and baffle upper end respectively and are equipped with the louvre, the baffle surrounds with the left side wall of casing, right side wall respectively and forms the isolation chamber, it has the magnetostatic shielding layer all to coat on the lateral wall of isolation chamber, and the left side wall and the right side wall lower part of casing are equipped with down the louvre, and the casing top is equipped with the ventilation hole, the ventilation hole inboard is equipped with the mount, the mount bottom is equipped with radiator fan, and the crisscross magnetostatic shielding subassembly that is provided with in mount middle part. The utility model discloses a vent department at the casing top sets up the magnetostatic shield plate of staggered arrangement about two-layer, sets up in the casing both sides and keeps apart the chamber and with two louvres dislocation set from top to bottom, realizes comprehensive shielding effect, eliminates the interference of external magnetic field.

Description

High-efficient data optical transmitter and receiver with anti-interference function

Technical Field

The utility model relates to an optical transmitter and receiver technical field, concretely relates to high-efficient data optical transmitter and receiver with anti-interference function.

Background

The data optical transmitter and receiver mainly functions to convert data to be transmitted, convert data electrical signals into optical signals, receive the optical signals by the data optical transmitter and receiver, convert the optical signals into electrical signals, and perform equipment identification, reading and playing, so that rapid data transmission is realized. However, the data optical transceiver is affected by environmental electromagnetic static electricity to reduce the propagation strength of the optical signal. In order to reduce the influence of electromagnetic static electricity on some existing data optical transceivers, a static magnetic shielding layer or a static magnetic shielding plate is generally arranged in a shell of the data optical transceiver so as to eliminate an external magnetic field. However, these existing data optical transceiver may also have ventilation and heat dissipation holes formed on the top or side of the housing, where the ventilation and heat dissipation holes are only provided with dustproof filter screens to directly communicate the inside with the outside, and the static magnetic shielding layer or static magnetic shielding plate is not provided at the position, which is equivalent to a shielding leak or a weak protection position, so that an external magnetic field may still more or less directly enter the inside of the data optical transceiver, resulting in signal interference or attenuation.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned problem, provide a high-efficient data optical transmitter and receiver with anti-interference function.

The utility model adopts the following technical scheme:

the utility model provides a high-efficient data optical transmitter and receiver with anti-interference function, includes the casing and locates the inside circuit board of casing, all coating has the magnetostatic shielding layer on the medial surface of preceding lateral wall, back lateral wall, last lateral wall and the end lateral wall of casing, and the inside left and right both sides of casing are equipped with baffle and baffle upper end respectively and are equipped with the louvre, the baffle encloses with the left side wall of casing, right side wall respectively and forms the isolation chamber, all coating has the magnetostatic shielding layer on the isolation intracavity lateral wall, and the left side wall and the right side wall lower part of casing are equipped with down the louvre, and the casing top is equipped with the ventilation hole, the ventilation hole inboard is equipped with the mount, the mount bottom is equipped with radiator fan, and the mount middle part is crisscross to be provided with magnetostatic shielding component.

As an optimized technical scheme of the utility model, go up the louvre and be equipped with dust screen one respectively with lower louvre department, louvre department is equipped with dust screen two.

As an optimal technical scheme of the utility model, be equipped with staggered arrangement's V type baffle on keeping apart two inside walls in chamber, the one end of baffle broad is fixed on keeping apart the chamber lateral wall.

As an optimal technical scheme of the utility model, magnetostatic shielding subassembly includes that the structure is the same a plurality of go up magnetostatic shield plate and a plurality of lower magnetostatic shield plate, and is a plurality of go up the parallel equidistance ground interval of magnetostatic shield plate and set up on the mount upper portion of ventilation hole below, a plurality of magnetostatic shield plate dislocation set is in parallel equidistance ground on the mount of last magnetostatic shield plate below down.

As an optimal technical solution of the present invention, the upper static magnetic shielding plate and the lower static magnetic shielding plate are both wavy.

The utility model has the advantages that:

the utility model discloses a vent department at the casing top sets up two-layer staggered arrangement's magnetostatic shield plate from top to bottom, sets up in the casing both sides and keeps apart the chamber and with two louvres dislocation set from top to bottom, can realize the shielding effect to external magnetic field, does not influence inside and outside air exchange again, can effectively shield external magnetic field, avoids external magnetic field to influence transmission quality, has improved optical transceiver to signal data's emissivity and receiving efficiency.

Drawings

FIG. 1 is a front view of the internal structure of the present invention;

FIG. 2 is an external structural view of the present invention;

fig. 3 is a partial structural top view of a top vent of the shell.

The symbols in the drawings illustrate that:

1: a housing, 2: magnetostatic shield layer, 3: separator, 4: upper heat dissipation holes, 5: isolation chamber, 6: lower heat dissipation hole, 7: vent, 8: mount, 9: cooling fan, 10: baffle, 11: upper magnetostatic shield plate, 12: a lower magnetostatic shield plate.

Detailed Description

The invention will now be described in further detail with reference to the accompanying drawings.

In the embodiments, it should be understood that the terms "middle", "upper", "lower", "top", "bottom", "right", "left", "above", "below", "back", "front", "middle", "outside", "inside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present embodiments, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present embodiments.

As shown in fig. 1 to fig. 3, an efficient data optical transceiver with anti-interference function includes a housing 1 and a circuit board (not shown) disposed inside the housing 1, where the circuit board is a generic name of electronic components in the optical transceiver and is a prior art, and is not described herein again. All coated on the medial surface of preceding lateral wall, back lateral wall, the last lateral wall of casing 1 and end lateral wall has magnetostatic shielding layer 2, and just preceding lateral wall, back lateral wall and end lateral wall of casing 1 do not all have the louvre or the ventilation hole of seting up specially for inside external magnetic field can't get into casing 1 through above-mentioned lateral wall, only set up louvre or ventilation hole at the left side wall of casing 1, the right side wall and the last lateral wall of casing 1. The left side and the right side of the interior of the shell 1 are respectively provided with a partition plate 3, the upper end of the partition plate 3 is provided with an upper heat dissipation hole 4, the partition plate 3 is respectively surrounded with the left side wall and the right side wall of the shell 1 to form an isolation cavity 5, and the inner side wall of the isolation cavity 5 is coated with a static magnetic shielding layer 2. The left side wall and the right side wall lower part of casing 1 are equipped with down louvre 6, last louvre 4 with one side and louvre 6 dislocation structure about each other forming down, during the heat dissipation, the inside air current of casing 1 can be along keeping apart 5 discharges in the chamber, and to the magnetic field of outside, then it is unable direct through louvre 6 down get into inside the casing 1, when external magnetic field extends to louvre 6 down promptly, get into and keep apart 5 back and be eliminated by the magnetostatic shielding layer 2 of baffle 3 lower part promptly, even external magnetic field can reflect, also constantly be kept apart by the magnetostatic shielding layer 2 elimination on the 5 inside walls of chamber before louvre 4 department arrives, thereby play the anti-interference effect. The top of the shell 1 is provided with a vent hole 7, the inner side of the vent hole 7 is provided with a fixing frame 8, the bottom of the fixing frame 8 is provided with a cooling fan 9, the middle part of the fixing frame 8 is provided with a static magnetic shielding component in a staggered manner, and the vent hole 7 is completely covered by the projection of the static magnetic shielding component.

Furthermore, the upper heat dissipation holes 4 and the lower heat dissipation holes 6 are respectively provided with a first dust screen, and the vent holes 7 are provided with a second dust screen.

Furthermore, V-shaped baffles 10 which are arranged in a staggered mode are arranged on two inner side walls of the isolation cavity 5, and one wider end of each baffle 10 is fixed on the side wall of the isolation cavity 5. The isolation cavity 5 forms a zigzag channel structure through the baffle 10, so that the external magnetic field entering the isolation cavity 5 is forced to perform multiple reflection or refraction, and is completely eliminated by the magnetostatic shielding layer 2 on the inner side wall of the isolation cavity 5.

Further, the static magnetic shield assembly includes a plurality of upper static magnetic shield plates 11 and a plurality of lower static magnetic shield plates 12 having the same structure, the plurality of upper static magnetic shield plates 11 are disposed in parallel and equidistantly spaced at an upper portion of the fixing frame 8 below the ventilation hole 7, that is, adjacent two upper static magnetic shield plates 11 are disposed at a distance therebetween, which is smaller than a width of the upper static magnetic shield plate 11, and for convenience of description, the distance is referred to as a gap, the plurality of lower static magnetic shield plates 12 are disposed in parallel and equidistantly offset on the fixing frame 8 below the upper static magnetic shield plates 11, that is, the lower static magnetic shield plates 12 are disposed just under the gap, and the width of the lower static magnetic shield plates 12 is larger than the width of the gap, so as to completely cover under the gap. When an external magnetic field enters the interior of the housing 1 through the vent hole 7, a part of the external magnetic field is shielded by the upper static magnetic shielding plate 11, and the rest part of the external magnetic field is projected from the gap to the inside and is eliminated when reaching the lower static magnetic shielding plate 12, so that the interference of the external magnetic field is completely eliminated. In addition, when the cooling fan 9 works, the airflow can normally pass through the lower static magnetic shielding layers 12 arranged at equal intervals and then turn to blow out of the ventilation holes 7 from the gaps, so that the heat dissipation and ventilation are smooth and have no influence.

Further, the upper and lower static magnetic shield plates 11 and 12 are each waved. The arrangement in the wave shape increases the surface area of the upper static magnetic shield plate 11 and the lower static magnetic shield plate 12, and improves the effect of static magnetic shielding.

The utility model can realize the shielding effect on the external magnetic field without influencing the exchange of internal and external air flows by arranging two layers of static magnetic shielding plates which are staggered up and down at the vent at the top of the shell 1; in addition, the isolation cavities 5 are arranged on the two sides of the shell 1, and the two radiating holes are arranged in a vertically staggered mode, so that the comprehensive shielding effect is achieved, and the interference of an external magnetic field is eliminated.

Finally, it should be noted that: these embodiments are merely illustrative of the present invention and do not limit the scope of the present invention. In addition, other variations and modifications will be apparent to persons skilled in the art based on the foregoing description. This need not be, nor should it be exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the present invention.

Claims (5)

1. The utility model provides a high-efficient data optical transmitter and receiver with anti-interference function, includes casing (1) and locates the inside circuit board of casing (1), its characterized in that: all coating has magnetostatic shielding layer (2) on the medial surface of preceding lateral wall, back lateral wall, last lateral wall and end lateral wall of casing (1), and the inside left and right both sides of casing (1) are equipped with baffle (3) respectively and baffle (3) upper end is equipped with louvre (4), baffle (3) enclose with left side wall, the right side wall of casing (1) respectively and form isolation chamber (5), it has magnetostatic shielding layer (2) to all coating on isolation chamber (5) inside wall, and the left side wall and the right side wall lower part of casing (1) are equipped with down louvre (6), and casing (1) top is equipped with ventilation hole (7), ventilation hole (7) inboard is equipped with mount (8), mount (8) bottom is equipped with radiator fan (9), and mount (8) middle part is crisscross to be provided with magnetostatic shielding component.

2. The high-efficiency data optical transceiver with anti-interference function according to claim 1, characterized in that: go up louvre (4) and louvre (6) punishment down and be equipped with dust screen one respectively, ventilation hole (7) department is equipped with dust screen two.

3. The high-efficiency data optical transceiver with anti-interference function of claim 1, wherein: v-shaped baffles (10) which are arranged in a staggered manner are arranged on two inner side walls of the isolation cavity (5), and one wider end of each baffle (10) is fixed on the side wall of the isolation cavity (5).

4. The high-efficiency data optical transceiver with anti-interference function according to claim 1, characterized in that: the static magnetic shielding assembly comprises a plurality of upper static magnetic shielding plates (11) and a plurality of lower static magnetic shielding plates (12) which are identical in structure, the upper static magnetic shielding plates (11) are arranged on the upper portion of a fixing frame (8) below the ventilation hole (7) in parallel at equal intervals, and the lower static magnetic shielding plates (12) are arranged on the fixing frame (8) below the upper static magnetic shielding plates (11) in parallel at equal intervals in a staggered mode.

5. The high-efficiency data optical transceiver with anti-interference function according to claim 4, wherein: the upper static magnetic shielding plate (11) and the lower static magnetic shielding plate (12) are both wavy.

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