CN219266588U - Wave-absorbing insulating sleeve cage suitable for optical device and optical module - Google Patents
Wave-absorbing insulating sleeve cage suitable for optical device and optical module Download PDFInfo
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- CN219266588U CN219266588U CN202320025346.1U CN202320025346U CN219266588U CN 219266588 U CN219266588 U CN 219266588U CN 202320025346 U CN202320025346 U CN 202320025346U CN 219266588 U CN219266588 U CN 219266588U
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Abstract
The utility model discloses a wave-absorbing insulating sleeve cage and an optical module suitable for an optical device, wherein the wave-absorbing insulating sleeve cage comprises a left wall, a right wall, an upper wall, a lower wall and a front wall; the left wall, the right wall, the upper wall, the lower wall and the front wall are made of wave-absorbing and insulating materials; the left wall, the upper wall, the right wall and the lower wall are sequentially connected, the size of the front wall is matched with the size of the end part of the cavity, and the front wall is connected with the end part of the cavity to form a cavity with an opening at one end for accommodating the body; the central point department of front wall is provided with the round hole of predetermineeing the size, and the size of round hole matches with the outside size of light mouth, in the optical device inserts the cavity, to the light mouth pass round hole and joint to be convenient for fix the body in the cavity. The wave-absorbing insulating sleeve cage is manufactured by wave-absorbing and insulating materials, and the body is arranged in the sleeve cage, so that the body is effectively prevented from being interfered by external devices; in addition, the anti-lightning device can also play a role in lightning protection.
Description
Technical Field
The utility model relates to the technical field of optical modules, in particular to a wave-absorbing insulating sleeve cage suitable for an optical device and the optical module.
Background
An optical module (optical-module) is composed of an optoelectronic device, a functional circuit, an optical interface, and the like, wherein the optoelectronic device comprises a transmitting part and a receiving part. In short, the optical module is used for converting an electrical signal into an optical signal by the transmitting end, and converting the optical signal into an electrical signal by the receiving end after the optical signal is transmitted through the optical fiber. Optical modules are classified according to packaging forms, and SFP, sfp+, SFF, gigabit ethernet interface converter (GBIC), and the like are common.
As shown in fig. 1, the optical device of the existing optical module is composed of a body and an optical port. In the use process of the optical module, the body of the optical module generates electromagnetic signals, so that certain interference is easily caused to other devices in the optical module on one hand; on the other hand, other devices inside the optical module can generate electromagnetic signals, and the electromagnetic signals can also cause interference to the body. In addition, in the practical use process of the optical module, the optical module can face a severe working environment in many times, and particularly, the problem that the optical device is easy to be struck by lightning when the optical module faces thunderbolt weather conditions is solved. In the conventional optical module, in the process of installation, a layer of insulating film 12 is wound on a body, the insulating film 12 is in contact with an optical module base 11 to insulate an optical device, a heat conduction and wave absorption material 13 is arranged between the body and an optical module upper cover 10, and a conductive rubber ring 14 is added between the body and an optical port. On the one hand, the production cost is high, and on the other hand, the assembly difficulty and the workload are high.
In view of this, how to overcome the defects existing in the prior art and solve the above technical problems is a problem to be solved in the technical field.
Disclosure of Invention
The utility model aims to solve the technical problems of reducing the production cost of the existing body anti-crosstalk and anti-lightning device and simplifying the assembly of the body anti-crosstalk and anti-lightning device.
The utility model is realized in the following way:
in a first aspect, the present utility model provides a wave-absorbing insulating cage suitable for an optical device, where the optical device is an optical receiver and/or an optical transmitter, the optical device includes a body 8 and an optical port 9, and the wave-absorbing insulating cage includes a left wall 1, a right wall 2, an upper wall 3, a lower wall 4 and a front wall 5, specifically:
the left wall 1, the right wall 2, the upper wall 3, the lower wall 4 and the front wall 5 are made of wave-absorbing and insulating materials;
the left wall 1, the upper wall 3, the right wall 2 and the lower wall 4 are sequentially connected to form a cavity, the size of the front wall 5 is matched with that of the end part of the cavity, and the front wall 5 is connected with the end part of the cavity to form a cavity with an opening 6 at one end so as to be convenient for accommodating the body 8;
the center position of the front wall 5 is provided with a round hole 51 with a preset size, the size of the round hole 51 is matched with the external size of the optical port 9, and the optical device is axially inserted into the cavity through the opening 6 until the optical port 9 passes through the round hole 51 and is clamped, so that the body 8 is fixed in the cavity.
Preferably, at least a first slit 52, a second slit 53, a third slit 54 and a fourth slit 55 are provided on the front wall 5;
the first slit 52 and the third slit 54 are arranged on a first connecting line passing through the center of the round hole 51, the second slit 53 and the fourth slit 55 are arranged on a second connecting line passing through the center of the round hole 51, and the first connecting line is perpendicular to the second connecting line, so that the front wall 5 is divided into four front arms 56 by the first slit 52, the second slit 53, the third slit 54 and the fourth slit 55;
be provided with first annular portion 91 and second annular portion 92 on the light mouth 9, second annular portion 92 with body 8 one end butt, first annular portion 91 sets up to be away from body 8 presets the distance department, the external diameter of first annular portion 91 is greater than the diameter of round hole 51, the external diameter of second annular portion 92 is less than the diameter of round hole 51, under the effect of external force, first annular portion 91 of light mouth 9 department wears out round hole 51 to be convenient for through first annular portion 91 and second annular portion 92 will light mouth 9 fixes round hole 51 department.
Preferably, the front arm 56 has elasticity so that the first annular portion 91 of the light port 9 can pass through the circular hole 51.
Preferably, the length of the left wall 1 and the right wall 2 in the axial direction of the body 8 is greater than the length of the body 8, so that the cavity can completely accommodate the body 8.
Preferably, the upper wall 3 and the lower wall 4 are symmetrically provided with heat dissipation openings 7 to facilitate heat dissipation.
Preferably, the width of the heat dissipation opening 7 along the direction perpendicular to the axial direction of the optical device is smaller than the width of the body 8, and the length of the heat dissipation opening 7 along the axial direction of the optical device is greater than the length of the body 8.
Preferably, the left and right sides of the heat dissipation port 7 are respectively provided with a flanging strip 71, and the body 8 is inserted into the cavity, so that the body 8 is separated from an external device by the flanging strips 71.
Preferably, the cross-sectional dimension of the cavity formed along the vertical axial direction is matched with the body 8, so that the body 8 does not shake after being inserted into the cavity.
Preferably, the wave-absorbing insulating sleeve cage formed by the left wall 1, the right wall 2, the upper wall 3, the lower wall 4 and the front wall 5 is formed by one or more of injection molding, back adhesive molding and seam connection molding after bending.
In a second aspect, the present utility model further provides an optical module, including the wave-absorbing insulating sleeve cage of the first aspect and an optical device, where the optical device is an optical receiver and/or an optical transmitter, and the body 8 of the optical device is disposed in the wave-absorbing insulating sleeve cage.
Compared with the prior art, the technical scheme adopted by the utility model has the following beneficial effects:
the wave-absorbing insulating sleeve cage is manufactured by adopting wave-absorbing and insulating materials, and the body 8 is arranged in the sleeve cage, so that the body 8 is effectively prevented from being interfered by external devices, and the wave-absorbing insulating sleeve cage has a lightning protection function. Besides, the utility model has simple structure, can complete assembly only by inserting the body 8 into the wave-absorbing insulating sleeve cage, and can realize the functions of preventing crosstalk and lightning stroke of the body 8 by only one accessory compared with the traditional device for preventing crosstalk and lightning stroke of the body 8, thereby reducing the production cost.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an optical device anti-crosstalk and anti-lightning device in the prior art according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of an overall assembly structure of an optical module (including a wave-absorbing insulating sleeve cage) according to an embodiment of the present utility model;
FIG. 3 is a first view angle assembly diagram of a wave-absorbing insulating cage and an optical device, which is suitable for the optical device and is provided by the embodiment of the utility model;
fig. 4 is a schematic structural diagram of a wave-absorbing insulating sleeve cage suitable for an optical device according to an embodiment of the present utility model;
fig. 5 is a schematic diagram of an assembly forming structure of a wave-absorbing insulating sleeve cage and an optical device, which is suitable for the optical device and provided by the embodiment of the utility model;
wherein, the reference numerals are as follows:
1-left wall; 2-right wall; 3-upper wall; 4-a lower wall; 5-a front wall; 51-a round hole; 52-a first gap; 53-a second slit; 54-a third gap; 55-fourth gap; 56-forearm; 6-opening; 7-a heat radiation port; 71-flanging strips; 8-a body; 9-optical port; 91-a first annular portion; 92-a second annular portion; 10-an optical module upper cover; 11-an optical module base; 12-an insulating film; 13 a heat conducting wave absorbing material; 14-conductive rubber rings.
Detailed Description
In the description of the present utility model, the terms "inner", "outer", "longitudinal", "transverse", "upper", "lower", "top", "bottom", etc. refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of describing the present utility model and do not require that the present utility model must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
the embodiment of the utility model provides a wave-absorbing insulating sleeve cage suitable for an optical device, as shown in fig. 2-4, wherein the optical device comprises an optical receiver and/or an optical transmitter, the optical device comprises a body 8 and an optical port 9, and the wave-absorbing insulating sleeve cage comprises a left wall 1, a right wall 2, an upper wall 3, a lower wall 4 and a front wall 5, and specifically:
the left wall 1, the right wall 2, the upper wall 3, the lower wall 4 and the front wall 5 are made of wave-absorbing and insulating materials;
the left wall 1, the upper wall 3, the right wall 2 and the lower wall 4 are sequentially connected, the size of the front wall 5 is matched with the size of the end part of the cavity, the front wall 5 is connected with the end part of the cavity, and a cavity with one end opened 6 is formed by surrounding the front wall 5 so as to be convenient for accommodating the body 8;
the center position of the front wall 5 is provided with a round hole 51 with a preset size, the dimension of the round hole 51 is matched with the outer dimension of the optical port 9, and the optical device is axially inserted into the cavity through the opening 6 until the optical port 9 passes through the round hole 51 and is clamped, so that the body 8 is fixed in the cavity.
As shown in fig. 2, the left wall 1, the right wall 2, the upper wall 3, the lower wall 4 and the front wall 5 of the wave-absorbing insulating sleeve cage of the present utility model enclose a cavity, and the optical device is inserted into the cavity and continuously advances along the axis direction of the optical device until the optical port 9 of the optical device is fixed on the front wall 5, so as to fix the body 8 in the cavity. The wave-absorbing insulating sleeve cage is made of wave-absorbing and insulating materials, and the body 8 is arranged in the cavity, so that on one hand, certain interference of electromagnetic waves generated by the body 8 on other devices in the optical module can be effectively avoided; on the other hand, the interference of electromagnetic signals generated by other devices inside the optical module on the body 8 can be avoided. In addition, the wave-absorbing insulating sleeve cage is made of insulating materials, and the body 8 is arranged in the bag cage and can play a role in lightning protection. The utility model has simple structure, can complete assembly by only inserting the body 8 into the wave-absorbing insulating sleeve cage, and can realize the functions of preventing crosstalk and lightning stroke of the body 8 by only one accessory compared with the traditional device for preventing crosstalk and lightning stroke of the body 8, thereby reducing the production cost. In the actual production process, the wave-absorbing insulating sleeve cage is made of a wave-absorbing insulating material GSD, a wave-absorbing insulating material DD-61007, a wave-absorbing insulating material RFP-DS-BSR093015 or other alternative wave-absorbing insulating materials.
The details of the present utility model are described in detail below in order to illustrate a complete set of embodiments of the present utility model. As shown in fig. 3 to 4, in order to avoid the optical device from moving along the axial direction, on one hand, the optical fiber may be pulled to cause loosening of contact coupling between the optical fiber and the optical device, and on the other hand, the body 8 may be pulled out of the wave-absorbing insulation sleeve cage to lose the effects of lightning protection and electromagnetic interference protection, the front wall 5 is provided with at least a first slit 52, a second slit 53, a third slit 54 and a fourth slit 55; the first slit 52 and the third slit 54 are arranged on a first connecting line passing through the center of the round hole 51, the second slit 53 and the fourth slit 55 are arranged on a second connecting line passing through the center of the round hole 51, and the first connecting line is perpendicular to the second connecting line, so that the front wall 5 is divided into four front arms 56 by the first slit 52, the second slit 53, the third slit 54 and the fourth slit 55, and the front arms 56 have certain elasticity, so that the first annular part 91 of the light port 9 can pass through the round hole 51; be provided with first annular portion 91 and second annular portion 92 on the light mouth 9, second annular portion 92 with body 8 one end butt, first annular portion 91 sets up to be away from body 8 presets the distance department, the external diameter of first annular portion 91 is greater than the diameter of round hole 51, the external diameter of second annular portion 92 is less than the diameter of round hole 51, under the effect of external force, first annular portion 91 of light mouth 9 department wears out round hole 51 to be convenient for through first annular portion 91 and second annular portion 92 will light mouth 9 fixes round hole 51 department.
Wherein, during the installation process, the light port 9 of the optical device is inserted into the cavity from the opening 6 at the opposite side of the front wall 5 of the wave-absorbing insulating sleeve cage, and continuously moves along the cavity to pass through the round hole 51. The outer diameter of the first annular portion 91 means that the outer diameter of the annular portion is larger than the diameter of the circular hole 51, when the first annular portion 91 at the optical port 9 passes through the circular hole 51, the front arm 56 is pressed, the circular hole 51 is forced to be enlarged until the front arm 56 returns to the original shape after the first annular portion 91 passes through the circular hole 51; after the first annular portion 91 of the light port 9 passes through the circular hole 51, the light port 9 is clamped at the circular hole 51, so that the body 8 can be fixed in the cavity. As shown in fig. 5, the outer diameter of the second annular portion 92 is smaller than the diameter of the circular hole 51, the second annular portion 92 is placed at the circular hole 51, and finally the first annular portion 91 is clamped in the module base 11 to fix the optical port 9 of the optical device in the module base 11. As shown in fig. 2, a clamping portion (corresponding to a clamping portion is not labeled in fig. 2) matching with the first annular portion 91 is disposed in the module base 11, and the first annular portion 91 penetrates through the circular hole 51 to be clamped with the clamping portion in the module base 11 so as to fix the body 8. In addition, in order to avoid the problem of coupling between the optical fiber and the optical device caused by shaking when the body 8 is inserted into the cavity during the use of the optical device, the cross-sectional dimension of the cavity formed along the vertical axial direction is matched with the body 8, so that shaking does not occur after the body 8 is inserted into the cavity.
In order to avoid crosstalk between the body 8 and external devices, the body 8 needs to be completely wrapped in the wave-absorbing insulating sleeve cage. Therefore, the lengths of the left wall 1 and the right wall 2 of the wave-absorbing insulating sleeve cage of the present utility model in the axial direction of the body 8 are longer than the length of the body so that the cavity can completely accommodate the body.
In order to avoid the situation that the heat generated by the body 8 in the wave-absorbing insulating sleeve cage cannot be discharged in time, the temperature of the body 8 is too high. As shown in fig. 3, the upper wall 3 and the lower wall 4 of the present utility model are symmetrically provided with heat dissipation ports 7 to facilitate heat dissipation.
The optical module base 11 and the optical module upper cover 10 are generally made of metal materials, so that the body 8 loses the function of preventing electric shock in order to avoid the body 8 from contacting the optical module base 11 and the optical module upper cover 10. According to the utility model, the width of the heat dissipation opening 7 along the direction vertical to the axial direction of the optical device is smaller than that of the body 8, the left side and the right side of the heat dissipation opening 7 are respectively provided with the flanging strips 71, and the body 8 is inserted into the cavity so as to separate the body 8 from an external device through the flanging strips 71. It is noted that the external devices of the present utility model refer to the light module base 11 and the light module upper cover 10.
As shown in fig. 5, the length of the heat dissipation port 7 in the axial direction of the optical device is longer than the length of the body 8, so as to facilitate heat dissipation. In addition, the wave-absorbing insulating sleeve cage formed by the left wall 1, the right wall 2, the upper wall 3, the lower wall 4 and the front wall 5 is processed by one or more of injection molding, back adhesive molding and seam connection molding after bending in the prior art. In the actual production process, the selection is performed according to the actual situation.
The left wall 1, the right wall 2, the upper wall 3, the lower wall 4 and the front wall 5 of the wave-absorbing insulating sleeve cage enclose a cavity, the optical device is inserted into the cavity, and the optical device is continuously advanced to the position of the optical port 9 of the optical device along the optical device and is fixed on the optical port 9 of the front wall 5, so that the body 8 is fixed in the cavity. The wave-absorbing insulating sleeve cage is made of wave-absorbing and insulating materials, and the body 8 is arranged in the cavity, so that on one hand, certain interference of electromagnetic waves generated by the body 8 on other devices in the optical module can be effectively avoided; on the other hand, the interference of electromagnetic signals generated by other devices inside the optical module on the body 8 can be avoided. The wave-absorbing insulating sleeve cage is made of insulating materials, and the body 8 is arranged in the bag cage and can play a role in lightning protection. The utility model has simple structure, can complete assembly by only inserting the body 8 into the wave-absorbing insulating sleeve cage, and can realize the functions of preventing crosstalk and lightning stroke of the body 8 by only one accessory compared with the traditional device for preventing crosstalk and lightning stroke of the body 8, thereby reducing the production cost. In addition, the wave-absorbing insulating sleeve cage of the utility model divides the front wall 5 into four front arms 56 through four gaps, and the front arms 56 have certain elasticity, and when the first annular part 91 passes through the round hole 51, the gaps can deform the front arms 56, so that the round hole 51 of the utility model can pass through the first annular part 91 with larger size than the round hole 51, and further the light port 9 is clamped at the round hole 51.
Example 2:
with reference to the foregoing embodiment 1, this embodiment provides an optical module, where the optical module includes the wave-absorbing insulating sleeve cage of embodiment 1 and an optical device, where the optical device is an optical receiver and/or an optical transmitter, and a body of the optical device is disposed in the wave-absorbing insulating sleeve cage.
The wave-absorbing insulation cage is described in detail in the foregoing embodiment 1, and will not be described in detail herein.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. The utility model provides a wave-absorbing insulating sleeve cage suitable for optical device, its characterized in that, wherein, optical device is optical receiver and/or optical transmitter, optical device includes body (8) and optical port (9), wave-absorbing insulating sleeve cage includes left wall (1), right wall (2), upper wall (3), lower wall (4) and anterior wall (5), and is concrete:
the left wall (1), the right wall (2), the upper wall (3), the lower wall (4) and the front wall (5) are made of wave-absorbing and insulating materials;
the left wall (1), the upper wall (3), the right wall (2) and the lower wall (4) are sequentially connected to form a cavity, the size of the front wall (5) is matched with that of the end part of the cavity, and the front wall (5) is connected with the end part of the cavity to form a cavity with an opening (6) at one end so as to be convenient for accommodating the body (8);
the center position of the front wall (5) is provided with a round hole (51) with a preset size, the size of the round hole (51) is matched with the external size of the optical port (9), and the optical device is axially inserted into the cavity through the opening (6) until the optical port (9) passes through the round hole (51) and is clamped, so that the body (8) is fixed in the cavity.
2. The wave-absorbing insulating sleeve cage suitable for optical devices according to claim 1, characterized in that the front wall (5) is provided with at least a first slit (52), a second slit (53), a third slit (54) and a fourth slit (55);
the first gap (52) and the third gap (54) are arranged on a first connecting line passing through the center of the round hole (51), the second gap (53) and the fourth gap (55) are arranged on a second connecting line passing through the center of the round hole (51), and the first connecting line is perpendicular to the second connecting line so as to divide the front wall (5) into four front arms (56) through the first gap (52), the second gap (53), the third gap (54) and the fourth gap (55);
be provided with first annular portion (91) and second annular portion (92) on optical mouth (9), second annular portion (92) with body (8) one end butt, first annular portion (91) set up the distance department is predetermine to body (8), the external diameter of first annular portion (91) is greater than the diameter of round hole (51), the external diameter of second annular portion (92) is less than the diameter of round hole (51), under the effect of external force, first annular portion (91) of optical mouth (9) department wear out round hole (51) so that will optical mouth (9) are fixed through first annular portion (91) and second annular portion (92) round hole (51) department.
3. The wave-absorbing insulating cage suitable for optical devices according to claim 2, characterized in that the front arm (56) has elasticity so that the first annular portion (91) of the optical port (9) can pass through the circular hole (51).
4. The wave-absorbing insulating cage suitable for optical devices according to claim 1, characterized in that the length of the left wall (1) and the right wall (2) in the axial direction of the body (8) is greater than the length of the body (8) so that the cavity can fully house the body (8).
5. The wave-absorbing insulating cage suitable for optical devices according to claim 1, characterized in that the upper wall (3) and the lower wall (4) are symmetrically provided with heat dissipation openings (7) for facilitating heat dissipation.
6. The wave-absorbing insulating cage suitable for optical devices according to claim 5, characterized in that the width of the heat dissipation opening (7) in the direction perpendicular to the axial direction of the optical device is smaller than the width of the body (8), and the length of the heat dissipation opening (7) in the axial direction of the optical device is larger than the length of the body (8).
7. The wave-absorbing insulating cage suitable for optical devices according to claim 5, characterized in that the left and right sides of the heat dissipation port (7) are respectively provided with a flanging strip (71), and the body (8) is inserted into the cavity so as to separate the body (8) from external devices through the flanging strips (71).
8. The wave-absorbing insulating cage suitable for optical devices according to claim 1, characterized in that the cross-sectional dimension of the cavity formed in the vertical axial direction is matched with the body (8) so that the body (8) does not shake after being inserted into the cavity.
9. The wave-absorbing insulating sleeve cage for optical devices according to claim 1, wherein the wave-absorbing insulating sleeve cage formed by the left wall (1), the right wall (2), the upper wall (3), the lower wall (4) and the front wall (5) is formed by one or more of injection molding, back adhesive molding and joint connection molding after bending.
10. An optical module, characterized by comprising a wave-absorbing insulating sleeve cage according to any one of claims 1-9 and an optical device, wherein the optical device is an optical receiver and/or an optical transmitter, and a body (8) of the optical device is arranged in the wave-absorbing insulating sleeve cage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320025346.1U CN219266588U (en) | 2023-01-03 | 2023-01-03 | Wave-absorbing insulating sleeve cage suitable for optical device and optical module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320025346.1U CN219266588U (en) | 2023-01-03 | 2023-01-03 | Wave-absorbing insulating sleeve cage suitable for optical device and optical module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219266588U true CN219266588U (en) | 2023-06-27 |
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ID=86866500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320025346.1U Active CN219266588U (en) | 2023-01-03 | 2023-01-03 | Wave-absorbing insulating sleeve cage suitable for optical device and optical module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219266588U (en) |
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2023
- 2023-01-03 CN CN202320025346.1U patent/CN219266588U/en active Active
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