CN110868645A

CN110868645A - Dampproofing communication rack

Info

Publication number: CN110868645A
Application number: CN201911158321.3A
Authority: CN
Inventors: 陈凯
Original assignee: Anhui Feikai Electronic Technology Co Ltd
Current assignee: Anhui Feikai Electronic Technology Co Ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-03-06

Abstract

The invention discloses a moisture-proof communication cabinet, which comprises a box body, wherein heat dissipation ports are formed in two sides of the box body, a heat conduction metal block is arranged on the inner wall of the box body in a penetrating manner at a position above the heat dissipation ports, an external heat conduction sheet a is arranged at one end of the heat conduction metal block positioned on the outer side of the box body and at a position above the heat dissipation ports, an internal heat conduction sheet b is arranged at one end of the heat conduction metal block positioned on the inner side of the box body and at a position above the heat dissipation ports, and heat conduction layers are coated on the outer sides of the external; according to the invention, the cold air flow entering the box body from the outside can impact the outer surface of the internal heat conduction sheet b and be liquefied, fall into the drainage groove and flow into the box body from the outside, so that the problem that the cold air is liquefied and the inside is wet due to the fact that the external cold air flow is directly blown into the box body can be effectively avoided.

Description

Dampproofing communication rack

Technical Field

The invention relates to the field of communication cabinet equipment, in particular to a moisture-proof communication cabinet.

Background

The wide band junction box is used for transmitting digital and similar voice, video and data signals by using an optical fiber technology, can be directly installed or installed on a desktop, is particularly suitable for high-speed optical fiber transmission, and is used for overhead of optical cables, pipeline burying and direct connection and branch connection of manhole laying.

At present, the ventilation mode of the communication cabinet is that a ventilation opening is formed in the outer surface of the communication cabinet, an inclined plate is arranged on the inner surface of the ventilation opening, and cold air entering from the outside enters the box body to be liquefied due to the temperature difference between the inside and the outside of the box body, so that the interior of the box body is moist, and the normal work of electrical elements is influenced.

Disclosure of Invention

The invention mainly aims to provide a moisture-proof communication cabinet which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a dampproofing communication rack, the power distribution box comprises a box body, the thermovent has been seted up to the box both sides, the position that the box inner wall is located the thermovent top is worn to be equipped with heat conduction metal block, the position that heat conduction metal block is located the one end in the box outside and is located the thermovent top is provided with outside heat conduction piece an, the position that heat conduction metal block is located the inboard one end of box and is located the thermovent is provided with inside heat conduction piece b, outside heat conduction piece an and inside heat conduction piece b outside cladding have a heat conduction layer, the position that the box inner wall is located the thermovent below all communicates and is provided with the drainage groove, outside cold airflow that gets into in the box can strike inside heat conduction piece b's surface and the liquefaction falls into the drainage inslot and flows in the box outside, can effectively avoid outside cold airflow.

Further, the heat conduction layer adopts ceramic material to make, be located the outside heat conduction layer of box and the outside temperature of box and close and make outside heat conduction piece a and outside temperature close promptly, and transmit for inside heat conduction piece b through the heat conduction metal block, the heat conduction that is located the inside heat conduction of box is close with the inside temperature of box, and then make inside heat conduction piece b and the inside temperature of box close, can carry out preliminary cooling to the box inside promptly according to the heat transfer principle, but the temperature that finally lies in the heat conduction layer of box is higher than the outside temperature of box, and then can liquefy the cold airflow of coming from the hot mouthful drum of fan.

Furthermore, the thickness of the heat conduction layer on the side where the external heat conduction sheet a and the internal heat conduction sheet b are close to each other is smaller than the thickness of the heat conduction layer on the side where the external heat conduction sheet a and the internal heat conduction sheet b are far from each other, that is, the thickness of the heat conduction layer on the side where the internal heat conduction sheet b is far from the heat dissipation port is larger than the thickness of the heat conduction layer on the side where the internal heat conduction sheet b is far from the heat dissipation port, so that the heat conduction layer on the air outlet position is always in a relatively heated state, and the blown cold airflow can be ensured to be liquefied.

Furthermore, the heat conduction layer positioned on the inner heat conduction sheet b is provided with a bump at one side close to the heat dissipation port and at a position close to the bottom of the box body, so that liquefied cold air flow can accurately fall into the drainage groove.

Furthermore, the guide plate is obliquely arranged in the heat dissipation port, so that the effect of guiding is achieved, and the cold air flow entering the heat dissipation port can be impacted.

Furthermore, a heat dissipation fan is arranged on the back surface of the inner surface of the box body and blows air to the outer side of the box body for heat dissipation in summer.

The working principle and the beneficial effects are as follows: the heat conduction metal block is arranged in a penetrating mode at the position, located above the heat dissipation port, of the inner wall of the box body, the position, located above the heat dissipation port, of one end, located outside the box body, of the heat conduction metal block is provided with an external heat conduction sheet a, the position, located at the position, located inside the box body, of the heat conduction metal block is provided with an internal heat conduction sheet b, the outer sides of the external heat conduction sheet a and the internal heat conduction sheet b are wrapped with heat conduction layers, and the problem existing in the background technology can be effectively solved.

(1) The cold air flow entering the box body from the outside can impact the outer surface of the internal heat conduction sheet b and be liquefied to fall into the drainage groove to flow into the box body from the outside, so that the problem that the external cold air flow directly enters the box body to cause liquefaction of the cold air and the internal humidity of the box body can be effectively avoided.

(2) Adopt ceramic material to make through the heat conduction layer, the heat conduction layer that is located the box outside is close and then makes outside heat conduction piece a close with outside temperature promptly, and transmit for inside heat conduction piece b through the heat conduction metal block, the heat conduction that is located the box inside is close with the inside temperature of box, and then make inside heat conduction piece b close with the inside temperature of box, can carry out preliminary cooling to the box inside promptly according to the heat transfer principle, but the temperature that finally lies in the heat conduction layer of box is higher than the outside temperature of box, and then can liquefy the cold airflow of following the hot mouthful drum of fan.

Drawings

FIG. 1 is a schematic view of the present invention in partial cross-section;

FIG. 2 is an enlarged view of the structure A in FIG. 1 according to the present invention.

In the figure: 1. a box body; 2. a baffle; 3. a heat conductive metal block; 4. an outer heat conductive sheet a; 5. an inner heat conductive sheet b; 6. a thermally conductive layer; 7. and (4) a drainage groove.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-2, a moisture-proof communication cabinet comprises a cabinet 1, heat dissipation ports are formed on two sides of the cabinet 1, a heat conducting metal block 3 is penetrated through a position of the inner wall of the cabinet 1, which is located above the heat dissipation port, of the cabinet 1, an external heat conducting sheet a4 is arranged at one end of the heat conducting metal block 3, which is located outside the cabinet 1, and a position of the heat conducting metal block 3, which is located inside the cabinet 1, is located above the heat dissipation port, is provided with an internal heat conducting sheet b5, a heat conducting layer 6 is wrapped outside the external heat conducting sheet a4 and the internal heat conducting sheet b5, and drainage grooves 7 are arranged at positions, which are located below the heat dissipation port, of the inner wall of the cabinet 1, so that cold air entering the cabinet from the outside can impact on the outer surface of the internal heat conducting sheet b and liquefy and fall into the drainage grooves, the heat conducting layer 6 is made of ceramic material, namely the temperature of the heat conducting layer positioned outside the box body is similar to the temperature of the outside of the box body, so that the temperature of the outside heat conducting sheet a is similar to the temperature of the outside, and the heat conducting layer is transferred to the inside heat conducting sheet b through the heat conducting metal block, the temperature of the heat conducting layer positioned inside the box body is similar to the temperature of the inside of the box body, so that the temperature of the inside heat conducting sheet b is similar to the temperature of the inside of the box body, namely, the temperature inside the box body can be primarily reduced according to the heat transfer principle, but the temperature of the heat conducting layer positioned inside the box body is higher than the temperature of the outside of the box body, so that cold air current blown from a fan heat port can be liquefied, the thickness of the heat conducting layer 6 positioned on the side where the outside heat conducting sheet a4 and the inside heat conducting sheet b5 are close to each other, the thickness that is located the heat conduction layer that inside heat conduction piece b keeps away from thermovent one side is greater than the thickness that is located the heat conduction layer that inside heat conduction piece b keeps away from thermovent one side, and then make the heat conduction layer that is located the air outlet position always be in the state of being heated relatively, and then can guarantee that it liquefies the cold airflow of blowing in, the position that the heat conduction layer that is located inside heat conduction piece b5 is close to one side of thermovent and is close to box 1 bottom is provided with hump 8, guarantee that liquefied cold airflow can be accurate fall into the drainage groove, the slope is provided with guide plate 2 in the thermovent, the effect that plays the drainage guarantees that its cold airflow that gets into can strike, the position at the internal surface back of box 1 sets up the heat dissipation fan, and it is to the outside air blast of box, be.

Claims

1. The utility model provides a dampproofing communication rack, includes box (1), and the thermovent, its characterized in that have been seted up to box (1) both sides: heat conduction metal block (3) are worn to be equipped with in the position that box (1) inner wall is located the thermovent top, the one end that heat conduction metal block (3) are located the box (1) outside and the position that is located the thermovent top is provided with outside heat conduction piece a (4), the position that heat conduction metal block (3) are located the one end of box (1) inboard and are located the thermovent is provided with inside heat conduction piece b (5), outside heat conduction piece a (4) and inside heat conduction piece b (5) outside cladding have heat conduction layer (6), the position that box (1) inner wall is located the thermovent below all communicates and is provided with drainage groove (7).

2. A moisture resistant telecommunications cabinet as claimed in claim 1 wherein: the heat conducting layer (6) is made of a ceramic material.

3. A moisture resistant telecommunications cabinet as claimed in claim 2 wherein: the thickness of the heat conductive layer (6) on the side where the outer heat conductive sheet a (4) and the inner heat conductive sheet b (5) are close to each other is smaller than the thickness of the heat conductive layer (6) on the side where the outer heat conductive sheet a (4) and the inner heat conductive sheet b (5) are away from each other.

4. A moisture resistant telecommunications cabinet as claimed in claim 3 wherein: a bulge block (8) is arranged on one side of the heat conduction layer of the internal heat conduction sheet b (5) close to the heat dissipation port and at a position close to the bottom of the box body (1).

5. A moisture resistant telecommunications cabinet as claimed in claim 4 wherein: a guide plate (2) is obliquely arranged in the heat dissipation port.

6. A moisture resistant telecommunications cabinet as claimed in claim 5 wherein: the position of the back surface of the inner surface of the box body (1) is provided with a heat dissipation fan, and the heat dissipation fan blows air to the outer side of the box body.