CN212812471U - ONU (optical network Unit) shell - Google Patents
ONU (optical network Unit) shell Download PDFInfo
- Publication number
- CN212812471U CN212812471U CN202021754770.2U CN202021754770U CN212812471U CN 212812471 U CN212812471 U CN 212812471U CN 202021754770 U CN202021754770 U CN 202021754770U CN 212812471 U CN212812471 U CN 212812471U
- Authority
- CN
- China
- Prior art keywords
- heat dissipation
- hole
- holes
- onu
- lower shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a ONU casing, including epitheca and inferior valve, the bottom surface of inferior valve is equipped with two first heat dissipation through-holes along its length direction's bilateral symmetry, and the bottom surface of inferior valve is equipped with a plurality of second heat dissipation through-holes along its length direction's bilateral symmetry, and second heat dissipation through-hole sets up between first heat dissipation through-hole, and the size of second heat dissipation through-hole is less than the size of first heat dissipation through-hole, and the quantity of second heat dissipation through-hole is more than the quantity of first heat dissipation through-hole. The ONU shell has the advantages that the bottom surface of the lower shell is provided with the heat dissipation through holes with different sizes and numbers aiming at different positions, so that the integral heat dissipation effect and the structural strength of the ONU shell are ensured; the first heat dissipation through holes on the two sides of the bottom surface of the lower shell are larger in size, so that air circulation in the lower shell is facilitated, and the control circuit board is driven to dissipate heat; the second heat dissipation through holes close to the middle position of the bottom surface of the lower shell are smaller in size, more in number and more uniform in distribution, and the heat dissipation of the lower surface of the control circuit board in the lower shell is facilitated.
Description
Technical Field
The utility model relates to a network communication technology field especially relates to an ONU casing.
Background
An onu (optical Network unit) is an optical Network unit, and is mainly used to receive broadcast data sent by the OLT. The device equipped with the network monitoring device including the optical receiver, the uplink optical transmitter and the plurality of bridge amplifiers is generally called an optical node, and is used for selectively receiving the broadcast data sent by the OLT, responding to the ranging and power control commands sent by the OLT, and performing corresponding adjustment to buffer the Ethernet data of the user. Downstream of the ONUs, individual users are provided with powerful voice, high-speed data and video services by a single-fiber EPON. However, the existing ONU device has poor heat dissipation and dust prevention effects, and is prone to network failure.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide an ONU shell has good heat dissipation effect.
The purpose of the utility model is realized by adopting the following technical scheme:
the utility model provides a ONU casing, includes epitheca and inferior valve, the bottom surface of inferior valve is equipped with two first heat dissipation through-holes along its length direction's bilateral symmetry, the bottom surface of inferior valve is equipped with a plurality of second heat dissipation through-holes along its length direction's bilateral symmetry, the second heat dissipation through-hole sets up between the first heat dissipation through-hole, the size of second heat dissipation through-hole is less than the size of first heat dissipation through-hole, the quantity of second heat dissipation through-hole is more than the quantity of first heat dissipation through-hole.
Preferably, a first dustproof sheet is arranged on the inner side of the first heat dissipation through hole, and a gap is formed between the first dustproof sheet and the inner surface of the first heat dissipation through hole; and/or a second dustproof sheet is arranged on the inner side of the second heat dissipation through hole, and a gap is formed between the second dustproof sheet and the inner surface of the second heat dissipation through hole.
Preferably, the inner surface of the lower shell is provided with a reinforcing rib, and the reinforcing rib and the second dustproof sheet are correspondingly arranged and connected into a whole.
Preferably, the reinforcing ribs extend from the side inner surface of the lower case to the bottom inner surface of the lower case.
Preferably, the first heat dissipation through hole is cross-shaped or rhombic; the shape of the first dustproof sheet is matched with that of the first heat dissipation through hole; the second heat dissipation through hole is cross-shaped or rhombic, and the shape of the second dustproof sheet is matched with that of the second heat dissipation through hole.
Preferably, the outer side surface of the first heat dissipation through hole is provided with a step, and the step is higher than the outer surface of the bottom of the lower shell; the step is arranged along the edge of the outer side face of the first heat dissipation through hole and is matched with the first heat dissipation through hole in shape; the surface of the step is provided with a round angle, or the outer surface of the step is in an arc shape.
Preferably, a plurality of third heat dissipation through holes are arranged on the upper shell, and the third heat dissipation through holes are round holes and are arranged on the upper shell in a matrix manner.
Preferably, at least two sides of the lower shell are provided with fourth heat dissipation through holes, and the fourth heat dissipation through holes are strip-shaped and vertically arranged on the sides of the lower shell.
Preferably, the bottom of the lower shell is provided with a plurality of fifth heat dissipation through holes, the fifth heat dissipation through holes are round holes and are arranged on one side or two sides of the lower shell in the width direction in a matrix mode, and the diameter of each fifth heat dissipation through hole is 0.2cm-0.3 cm.
Preferably, the inner surface of the side surface of the lower shell is also provided with a plurality of mounting blocks, and the mounting blocks are provided with mounting grooves.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model arranges the heat dissipation through holes with different sizes and quantities on the bottom surface of the lower shell aiming at different positions, thereby ensuring the whole heat dissipation effect and the structural strength of the ONU shell; the first heat dissipation through holes on the two sides of the bottom surface of the lower shell are larger in size, so that air circulation in the lower shell is facilitated, and the control circuit board is driven to dissipate heat; the second heat dissipation through holes close to the middle position of the bottom surface of the lower shell are smaller in size, more in number and more uniform in distribution, and the heat dissipation of the lower surface of the control circuit board in the lower shell is facilitated.
Drawings
Fig. 1 is an exploded schematic view of an ONU housing according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a lower shell according to an embodiment of the present invention;
fig. 3 is a schematic structural view of the lower case at another angle according to the embodiment of the present invention;
fig. 4 is a schematic sectional structure view of the lower case according to the embodiment of the present invention;
fig. 5 is a schematic side view of an upper case according to an embodiment of the present invention.
In the figure: 10. an upper shell; 11. a third heat dissipating through hole; 12. a step; 20. a lower case; 21. a first heat dissipating through hole; 22. a second heat dissipating through hole; 23. a first dust-proof sheet; 24. a second dust-proof sheet; 25. reinforcing ribs; 26. a step; 27. a fourth heat dissipating through hole; 28. a fifth heat dissipating through hole; 29. mounting blocks; 291. mounting grooves; 292. mounting a boss; 30. and a control circuit board.
Detailed Description
The present invention will now be described in more detail with reference to the accompanying drawings, and it is to be understood that the following description of the present invention is made only by way of illustration and not by way of limitation with reference to the accompanying drawings. The various embodiments may be combined with each other to form other embodiments not shown in the following description.
In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
Referring to fig. 1 to 5, the ONU casing according to the embodiment of the present invention will be explained in the following description, in which the first heat dissipation through-holes 21 and the second heat dissipation through-holes 22 of different sizes and numbers provided on the bottom surface of the lower case 20 enhance the air circulation in the lower case 20 and improve the heat dissipation efficiency.
As shown in fig. 1 to 3, the utility model discloses a ONU casing includes epitheca 10 and inferior valve 20, inferior valve 20's bottom surface is equipped with two first heat dissipation through-holes 21 along its length direction's bilateral symmetry, inferior valve 20's bottom surface is equipped with a plurality of second heat dissipation through-holes 22 along its length direction's bilateral symmetry, second heat dissipation through-hole 22 sets up between first heat dissipation through-hole 21, second heat dissipation through-hole 22's size is less than first heat dissipation through-hole 21's size, second heat dissipation through-hole 22's quantity is more than first heat dissipation through-hole 21's quantity.
The control circuit board 30 of the ONU is generally disposed in the lower case 20, and therefore, the bottom surface of the lower case 20 is provided with the first heat dissipation through hole 21 and the second heat dissipation through hole 22, and more specifically, the first heat dissipation through hole 21 has a larger size and is located along the length direction of the bottom surface of the lower case 20, and the size of the first heat dissipation through hole 21 is favorable for air circulation, so as to form flowing air flow in the lower case 20, and the heat dissipation effect is good; the second heat dissipation through holes 22 between the first heat dissipation through holes 21 have a smaller size and a larger number, thereby ensuring the structural strength of the bottom surface of the lower case 20 and facilitating the heat dissipation of the lower surface of the control circuit board 30.
Preferably, a first dust-proof sheet 23 is disposed inside the first heat dissipation through hole 21, and a gap is formed between the first dust-proof sheet 23 and the inner surface of the first heat dissipation through hole 21, so as to dissipate heat and prevent dust, and prevent insects from crawling into the ONU.
Preferably, the second dust-proof sheet 24 is disposed inside the second heat dissipation through hole 22, and a gap is formed between the second dust-proof sheet 24 and the inner surface of the second heat dissipation through hole 22, so as to dissipate heat and prevent dust, and prevent insects from crawling into the ONU.
Preferably, as shown in fig. 4, the inner surface of the lower case 20 is provided with a reinforcing rib 25, and the reinforcing rib 25 is disposed corresponding to the second dust-proof sheet 24 and integrally connected thereto. The strengthening rib 25 and the dustproof piece 24 combination of second are in the same place, both can increase inferior valve 20 intensity, can block again that outside dust directly gets into in the Optical Network Unit (ONU), make things convenient for strengthening rib 25 and the processing of the dustproof piece 24 of second simultaneously, effectively utilize the space of the 20 bottom surfaces of inferior valve, rationally distributed strengthening rib 25 and the dustproof piece 24 of second.
Based on the above embodiment, it is preferable that the reinforcing ribs 25 extend from the side inner surface of the lower case 20 to the bottom inner surface of the lower case 20, further enhancing the mechanical strength of the whole of the lower case 20.
Preferably, the first heat dissipation through-holes 21 are cross-shaped or diamond-shaped; the shape of the first dust-proof sheet 23 is matched with the shape of the first heat dissipation through hole 21; the second heat dissipation through hole 22 is cross-shaped or diamond-shaped, the shape of the second dust-proof sheet 24 is matched with the shape of the second heat dissipation through hole 22, as shown in fig. 2, the first heat dissipation through hole 21 and the second heat dissipation through hole 22 are both cross-shaped structures, and processing is facilitated.
As shown in fig. 3, the outer side surface of the first heat dissipating through hole 21 is provided with a step 26, and the step 26 is higher than the outer surface of the bottom of the lower case 20, so that a gap is formed between the lower case 20 and the placing surface, which is beneficial to dissipating heat from the first heat dissipating through hole 21 and the second heat dissipating through hole 22. For the convenience of processing, the step 26 is disposed along the outer side edge of the first heat dissipation through hole 21, and is matched with the shape of the first heat dissipation through hole 21, and the appearance of the step 26 is more beautiful. The surface of step 26 is equipped with the fillet, or, the surface of step 26 is the circular arc type, avoids the user at the in-process fish tail of taking, also makes the structure of casing more pleasing to the eye.
In addition to the heat dissipating through holes formed in the lower case 20, in some embodiments, as shown in fig. 1 and 5, a plurality of third heat dissipating through holes 11 are formed in the upper case 10, and the third heat dissipating through holes 11 are circular holes arranged in a matrix on the upper case 10, preferably, the diameter of the circular holes is between 0.2cm and 0.3cm, so as to facilitate air circulation and prevent dust from falling into the case. As shown in fig. 5, a step 12 is formed on the upper case 10, and the third heat dissipation through hole 11 is located below the step 12, so that the third heat dissipation through hole 11 is closer to the control circuit board 30 in the lower case 20, and the heat dissipation effect is better.
In addition, in some embodiments, in order to further improve the heat dissipation effect, fourth heat dissipation through holes 27 are formed on at least two sides of the lower case 20, and the fourth heat dissipation through holes 27 have a bar shape and are vertically arranged on the sides of the lower case 20.
Further, a plurality of fifth heat dissipating through holes 28 are formed in the bottom of the lower case 20, the fifth heat dissipating through holes 28 are circular holes and are arranged in a matrix on one side or two sides of the lower case 20 in the width direction, as shown in fig. 3, the fifth heat dissipating through holes 28 are arranged in a matrix on two sides of the lower case 20 in the width direction, and four rows of the fifth heat dissipating through holes 28 are formed in one side of the fifth heat dissipating through holes 28, and the fifth heat dissipating through holes 28 cross the bottom surface of the entire lower case 20. The diameter of the fifth heat dissipation through hole 28 is 0.2cm to 0.3cm, so that air can normally circulate, and insects are prevented from crawling into the light cat.
In order to position the control circuit board 30, a plurality of mounting blocks 29 are further provided on the inner surface of the side of the lower case 20, and mounting grooves 291 are provided on the mounting blocks 29. At this time, the mounting block 29 may also play a role in enhancing the structural strength of the lower case 20, and at the same time, the side surface of the mounting block 29 may also play a role in limiting the position of the control circuit board 30, thereby preventing the control circuit board 30 from being displaced. The mounting slots 291 on the mounting block 29 can be used to mount the mounting fixture of the control circuit board 30. In addition, the inner side of the lower case 20 is provided with a mounting boss 292, the mounting boss 292 is provided with a screw hole, and the control circuit board 30 can be positioned with the mounting boss 292 through a screw. The mounting boss 292 is higher than the bottom surface of the lower shell 20, so that the control circuit board 30 is mounted in the lower shell 20 and then has a gap with the bottom surface of the lower shell 20, which is beneficial to heat dissipation of the control circuit board 30, meanwhile, due to the mounting block 29, the control circuit board 30 also has a gap with the side surface of the lower shell 20, and the fourth heat dissipation through hole 27 and the heat dissipation channel on the lower shell 20 are communicated with the gap, so that the heat dissipation effect of the ONU shell is better.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (10)
1. An ONU casing, includes epitheca and inferior valve, its characterized in that: the bottom surface of inferior valve is equipped with two first heat dissipation through-holes along its length direction's bilateral symmetry, the bottom surface of inferior valve is equipped with a plurality of second heat dissipation through-holes along its length direction's bilateral symmetry, the second heat dissipation through-hole sets up between the first heat dissipation through-hole, the size of second heat dissipation through-hole is less than the size of first heat dissipation through-hole, the quantity of second heat dissipation through-hole is more than the quantity of first heat dissipation through-hole.
2. The ONU housing of claim 1, wherein: a first dustproof sheet is arranged on the inner side of the first heat dissipation through hole, and a gap is formed between the first dustproof sheet and the inner surface of the first heat dissipation through hole; and/or a second dustproof sheet is arranged on the inner side of the second heat dissipation through hole, and a gap is formed between the second dustproof sheet and the inner surface of the second heat dissipation through hole.
3. The ONU housing of claim 2, wherein: the inner surface of the lower shell is provided with a reinforcing rib, and the reinforcing rib and the second dustproof sheet are correspondingly arranged and connected into a whole.
4. The ONU housing of claim 3, wherein: the reinforcing ribs extend from the inner surface of the side surface of the lower case to the inner surface of the bottom surface of the lower case.
5. The ONU housing of claim 2, wherein: the first heat dissipation through holes are in a cross shape or a rhombic shape; the shape of the first dustproof sheet is matched with that of the first heat dissipation through hole; the second heat dissipation through hole is cross-shaped or rhombic, and the shape of the second dustproof sheet is matched with that of the second heat dissipation through hole.
6. The ONU housing of claim 1, wherein: the outer side surface of the first heat dissipation through hole is provided with a step, and the step is higher than the outer surface of the bottom of the lower shell; the step is arranged along the edge of the outer side face of the first heat dissipation through hole and is matched with the first heat dissipation through hole in shape; the surface of the step is provided with a round angle, or the outer surface of the step is in an arc shape.
7. The ONU housing of claim 1, wherein: the upper shell is provided with a plurality of third heat dissipation through holes, and the third heat dissipation through holes are round holes and are arranged on the upper shell in a matrix manner.
8. The ONU housing of claim 1, wherein: and fourth heat dissipation through holes are arranged on at least two side faces of the lower shell, are in a strip shape and are vertically arranged on the side faces of the lower shell.
9. The ONU housing of claim 1, wherein: the bottom of inferior valve is equipped with a plurality of fifth heat dissipation through-holes, fifth heat dissipation through-hole is the round hole, is the matrix arrangement in one side or both sides of inferior valve width direction, the diameter of fifth heat dissipation through-hole is 0.2cm-0.3 cm.
10. The ONU housing of any of claims 1 to 5, wherein: still be equipped with a plurality of installation pieces on the internal surface of the side of inferior valve, be equipped with the mounting groove on the installation piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021754770.2U CN212812471U (en) | 2020-08-20 | 2020-08-20 | ONU (optical network Unit) shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021754770.2U CN212812471U (en) | 2020-08-20 | 2020-08-20 | ONU (optical network Unit) shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212812471U true CN212812471U (en) | 2021-03-26 |
Family
ID=75084463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021754770.2U Active CN212812471U (en) | 2020-08-20 | 2020-08-20 | ONU (optical network Unit) shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212812471U (en) |
-
2020
- 2020-08-20 CN CN202021754770.2U patent/CN212812471U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20130135866A1 (en) | High powered light emitting diode lighting unit | |
| JP2017505520A (en) | Thermal vent connector | |
| US20090190352A1 (en) | Light-generating device | |
| CN212812471U (en) | ONU (optical network Unit) shell | |
| CN212812472U (en) | ONU (optical network Unit) shell | |
| US20150276201A1 (en) | Light-emitting diode light fixture with channel-type heat dissipation system | |
| CN212812473U (en) | ONU (optical network Unit) shell | |
| JP3127899U (en) | LED lighting device | |
| CN215769316U (en) | Heat dissipation mechanism and projector | |
| CN212811711U (en) | ONU (optical network Unit) shell | |
| CN210928236U (en) | Router with dustproof function of port | |
| CN214663778U (en) | LED lamp | |
| CN209296991U (en) | Radiator structure for optical module | |
| CN211210291U (en) | Display screen assembly convenient for heat dissipation | |
| CN210624231U (en) | Lamp set | |
| CN112689205A (en) | Router | |
| CN211084030U (en) | L ED lamp radiator | |
| CN217588346U (en) | Special-shaped grid screen capable of being cut at will | |
| KR200453191Y1 (en) | Stabilizer Case | |
| CN209926207U (en) | Park lighting lamp with high-efficient heat dissipation function | |
| CN219867790U (en) | Multi-surface luminous garage lamp with good heat dissipation performance | |
| CN210724845U (en) | Multi-channel strong-heat-dissipation network routing equipment | |
| CN211528892U (en) | Projector | |
| CN214535896U (en) | Lamp with multiple light-emitting effects | |
| CN218993225U (en) | Optical module guide rail lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |