CN216491792U - Access network element equipment - Google Patents

Abstract

The utility model discloses an access network network unit device, which comprises a casing and a main board installed in the casing. The opposite sides of the casing are provided with heat dissipation windows, and the two heat dissipation windows are respectively provided with first air hoods and the second air hood, the first air hood is provided with an exhaust fan, and both the first air hood and the second air hood are provided with dust-proof nets, and the exhaust fan can extract the hot air from the casing and discharge it from the first air hood, The cold air outside the casing enters the casing from the second hood; the utility model has a simple structure and is convenient to use, avoids dust from entering the casing while dissipating heat, and improves the service life of the network unit equipment.

Description

A kind of access network network unit equipment

technical field

The utility model belongs to the technical field of network unit devices, and relates to an access network network unit device.

Background technique

With the gradual development of network technology, network communication is becoming more and more extensive in people's daily life. What follows is the wide application of related equipment that communicates with the network, among which the optical network unit is the terminal equipment of the optical fiber access user side, which realizes the conversion of the network photoelectric signal. There are two opposite heat dissipation windows on the side to dissipate the heat generated during the operation of the optical network unit equipment. However, when the heat dissipation window dissipates heat, dust will enter the casing, reducing the service life of the optical network unit.

Utility model content

In view of the above problems, the present utility model proposes an access network network unit device, which well solves the problem of dust entering while the heat dissipation window of the network unit device in the prior art dissipates heat.

In order to achieve the above-mentioned purpose, the technical scheme adopted by the present invention is as follows: an access network network unit device, comprising a casing and a main board installed in the casing, and cooling windows are provided on opposite sides of the casing, and two Each of the heat dissipation windows is provided with a first air hood and a second air hood, the first air hood is provided with an exhaust fan, and the first air hood and the second air hood are both provided with dust-proof nets. The exhaust fan can extract the hot air from the inside of the casing and discharge it from the first hood, and the cold air outside the casing enters the casing from the second hood.

Further, the first air hood includes a first plug portion that is sealed and inserted into the heat dissipation window, the first plug portion communicates with a first air extraction portion located on the left side of the main board, and the first air extraction portion has a plurality of openings. a first ventilation hole, and the exhaust fan is arranged on the first plug-in part.

Further, the upper and lower ends of the first plug-in portion are connected with a second air extraction portion located on the side of the main board, and a plurality of second ventilation holes are opened on the second air extraction portion.

Further, the dustproof net is arranged between the first plug portion and the first air extraction portion.

Further, the second ventilation holes gradually become smaller from right to left.

Further, the second hood includes a second plug portion that is sealed and inserted into the heat dissipation window, the second plug portion communicates with an air inlet portion located on the right side of the main board, and the second plug portion is connected to the air inlet portion. Third ventilation holes are opened on the air parts, and the dustproof net covers all the third ventilation holes on the second plug-in part and the air inlet part.

Further, the third ventilation holes are elongated.

Compared with the prior art, the utility model has the following beneficial effects:

In the utility model, under the action of the exhaust fan, the heat dissipation window can not only realize the convection of the air, dissipate the heat generated by the operation of the main board in the casing, but also isolate the dust from the outside to the first place under the action of the dustproof net. The air hood and the second air hood prevent dust from entering the casing. The utility model has a simple structure and is convenient to use, and can prevent dust from entering the casing while dissipating heat, thereby improving the service life of the network unit equipment.

Description of drawings

Fig. 1 is the internal structure schematic diagram of the present utility model;

Fig. 2 is the right side view of the utility model;

Figure 3 is a left side view of the utility model.

In the figure: 1-chassis; 2-heat dissipation window; 3-first air hood; 4-second air hood; 5-exhaust fan; 6-dust net; 31-first plug-in part; 32-first exhaust air part; 33-second air extraction part; 34-first ventilation hole; 35-second ventilation hole; 41-second plug-in part; 42-air inlet part; 43-third ventilation hole.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in FIG. 1, an access network network unit device according to the present invention includes a casing 1 and a main board installed in the casing 1, and a network interface is fixed on the upper side or the lower side of the casing 1 , power interface, etc. are not shown in the drawings, the opposite sides of the casing 1 are provided with heat dissipation windows 2, and the two heat dissipation windows 2 are respectively provided with a first air cover 3 and a second air cover 4. An exhaust fan 5 is installed on the air hood 3, and the first fan and the second fan are provided with a dustproof net 6. When the above technical solution is used, the exhaust fan 5 is electrically connected to the main board, and when the main board is powered on to work, The exhaust fans 5 work at the same time, and the heat dissipation windows 2 on the left and right sides form convection to the air in the casing 1 under the action of the exhaust fans 5, so that the cold air outside the casing 1 enters the casing 1 from the heat dissipation window 2 on the right side, and The hot air in the casing 1 is discharged from the heat dissipation window 2 on the left side, and the dust outside is isolated into the first air hood 3 and the second air hood 4 under the action of the dustproof net 6 to prevent dust from entering the machine. In the casing 1, the utility model has a simple structure and is easy to use, and avoids dust from entering the casing 1 when dissipating heat, thereby improving the service life of the network unit equipment.

In this embodiment, the first air cover 3 includes a first plug portion 31 inserted into the heat dissipation window 2. As shown in FIG. 3, the heat dissipation window 2 is rectangular, and the first plug portion 31 is also rectangular. After the first plug portion 31 is inserted into the heat dissipation window 2, apply sealant in the plug gap to ensure the sealing connection between the first plug portion 31 and the heat dissipation window 2. The first plug portion 31 is integrally communicated with a The first air extraction part 32 on the left side of the main board, the first plug part 31 and the second air extraction part 33 have communicating cavities. The first air extraction part 32 is provided with a plurality of first ventilation holes 34. The wind is arranged on the first plug part 31; when the exhaust fan 5 is working, the hot air in the casing 1 enters the first air extraction part 32 and the first plug part 31 from the first ventilation hole 34, and exits the exhaust fan 5. Expel hot air out of enclosure 1.

In this embodiment, the upper and lower ends of the first plug-in portion 31 are connected with a second air extraction portion 33 located on the side of the main board. The second air extraction portion 33 is provided with a plurality of second ventilation holes 35. The second ventilation part 33 can increase the ventilation area, speed up the entry of hot air into the second hood 4, and improve the heat dissipation efficiency, and the second ventilation holes 35 gradually become smaller from right to left, because the farther away from the exhaust fan 5, the higher the air volume. Therefore, the setting of the second ventilation holes 35 ensures that the second air extraction part 33 has the same air volume from right to left, and ensures that the second air extraction part 33 draws air evenly, so that the motherboard can dissipate heat evenly and improve the heat dissipation effect.

In this embodiment, the dustproof net 6 is disposed between the first plug portion 31 and the first air extraction portion 32 , and the dustproof net 6 is glued on the inner wall of the first air extraction portion 32 . 6 Using metal dust mesh 6.

In this embodiment, as shown in FIG. 2 , the second air cover 4 includes a second plug portion 41 inserted into the heat dissipation window 2 , and the second plug portion 41 is also rectangular. After inserting into the heat dissipation window 2, apply sealant in the insertion gap to ensure that the first plug part 31 and the heat dissipation window 2 are sealed and connected, and the second plug part 41 communicates with the air inlet part 42 located on the right side of the main board. , the second plug part 41 and the air inlet part 42 are provided with third ventilation holes 43, and the dustproof net 6 covers all the third ventilation holes on the second plug part 41 and the air inlet part 42 holes 43, so there are two dustproof nets 6 respectively, and the dustproof nets 6 in the second air hood 4 are also set on the inner walls of the second plug-in part 41 and the air inlet part 42 by means of glue, respectively. Under the action of the double dustproof net 6, not only the dust outside the casing 1 can be intercepted, but also the dust can be intercepted again into the second air hood 4 through the second dustproof net 6, effectively preventing the dust from entering into the casing 1, and in addition, when the casing 1 is repaired, the first air hood 3 and the second air hood 4 can be disassembled to clean the dust, or the first air hood 3 and the second air hood 4 can be directly replaced to improve the performance. Ease of maintenance. Preferably, the third ventilation holes 43 are elongated, which increases the ventilation area of the second ventilation holes 35, increases the ventilation volume, facilitates air convection, and improves the heat dissipation effect.

In this embodiment, there are multiple exhaust fans 5 to enhance the air extraction capacity and improve the heat dissipation effect, and a protective metal mesh is arranged at the air outlet end of the exhaust fan 5 to prevent foreign objects from entering the exhaust fan 5 and improve the safety of use.

Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principle of the present utility model, any modifications, equivalent replacements, improvements, etc. made shall be included within the protection scope of the present utility model.

Claims (7)

1. an access network network unit equipment, it is characterized in that: comprise a casing and a mainboard installed in the casing, the opposite sides of the casing are all provided with heat dissipation windows, and two described heat dissipation windows are respectively provided with There are a first air hood and a second air hood, the first air hood is provided with an exhaust fan, and the first air hood and the second air hood are both provided with dust-proof nets, and the exhaust fan can remove the air from the inside of the casing. The hot air is drawn out and discharged from the first hood, and the cold air outside the casing enters the casing from the second hood. 2 . The access network network unit device according to claim 1 , wherein the first air hood comprises a first plug portion that is sealed and inserted into the heat dissipation window, and the first plug portion communicates with a connection located on the left side of the main board. 3 . A plurality of first ventilation holes are opened on the first ventilation part, and the exhaust fan is arranged on the first plug-in part. 3. The access network network unit device according to claim 2, wherein the upper and lower ends of the first plug-in part are connected with a second air extraction part located on the side of the main board, and the second air extraction part A plurality of second ventilation holes are opened on the upper part. 4 . The network unit device of the access network according to claim 2 , wherein the dust filter is arranged between the first plug-in part and the first air extraction part. 5 . 5 . The access network network unit device according to claim 3 , wherein the second ventilation hole gradually becomes smaller from right to left. 6 . 6 . The access network network unit device according to claim 1 , wherein the second air cover comprises a second plug portion that is hermetically inserted into the heat dissipation window, and the second plug portion communicates with a The air inlet part on the right side of the main board, the second plug part and the air inlet part are both provided with third ventilation holes, and the dustproof net covers all the second plug parts and the air inlet part. Three air vents on. 7 . The network unit device of the access network according to claim 6 , wherein the third ventilation hole is in the shape of a long strip. 8 .

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