CN107769006A - A kind of inner loop heat dissipation power distribution cabinet - Google Patents

Abstract

The invention discloses a power distribution cabinet with internal circulation and heat dissipation, which comprises a cabinet body. A cavity is arranged in the cabinet body. The cavity is provided with a cooling room and an electrical appliance room along the vertical direction. The electrical appliance room is separated by a partition plate. There are several placement areas, the inner side wall of the electrical appliance room is provided with slide rails corresponding to the partition, and the two ends of the partition are respectively located on the slide rails, and the rear side wall of the electrical appliance room is provided with heat dissipation pipes , the inner side wall of the placement area is provided with a cable groove, the outer side wall of the cabinet is provided with several first ventilation holes, the side wall of the electrical room is hinged with an electrical room door, and the inner side wall of the electrical room door is Several monitoring devices are arranged on the surface, and a heat dissipation box is arranged in the heat dissipation chamber. The invention realizes the independent operation of the heat dissipation device and the electrical components, effectively improves the heat dissipation effect of the power distribution cabinet, is waterproof and moisture-proof, improves the service life of the electrical components, has a high degree of automation, and is conducive to popularization.

Description

An internal circulation cooling power distribution cabinet

technical field

The invention relates to the technical field of electrical automation, in particular to an internal circulation cooling power distribution cabinet.

Background technique

Power distribution cabinets are divided into power distribution cabinets, lighting distribution cabinets, and metering cabinets, and are the final equipment of the power distribution system. The power distribution cabinet is a general term for the motor control center. The power distribution cabinet is used in the occasions where the load is relatively scattered and there are few circuits; the motor control center is used in the occasions where the load is concentrated and there are many circuits. They distribute the electric energy of a certain circuit of the upper-level power distribution equipment to the nearest load. This level of equipment shall provide protection, monitoring and control of the load. The heat dissipation device in the existing power distribution cabinet has no obvious effect and cannot meet the cooling requirements. At the same time, the heat dissipation device is generally installed in the cabinet together with the electrical components, and the heat dissipation device will also generate a large amount of heat when it is working. The power distribution cabinet is easy to get wet and water in the rainy season, and cannot be effectively waterproof and moisture-proof.

Contents of the invention

The object of the present invention is to solve the shortcomings in the prior art, and propose an internal circulation heat dissipation power distribution cabinet.

In order to achieve the above object, the present invention adopts the following technical solutions:

An internal circulation heat dissipation power distribution cabinet, including a cabinet body, a cavity is provided in the cabinet body, a heat dissipation chamber and an electrical appliance room are arranged in the cavity along the vertical direction, and the electrical appliance room is divided into several In the placement area, the inner side wall of the electrical appliance room is provided with slide rails corresponding to the partition, and the two ends of the partition are respectively located on the slide rails, and the rear side wall of the electrical appliance room is provided with a heat dissipation pipe. The inner wall of the placement area is provided with a cable groove, the outer wall of the cabinet is provided with several first ventilation holes, the side wall of the electrical room is hinged with an electrical room door, and the inner surface of the electrical room door is provided with Several monitoring devices, the heat dissipation chamber is provided with a heat dissipation box, one end of the heat dissipation pipe is connected with the heat dissipation box, the side wall of the heat dissipation chamber is hinged with a heat dissipation chamber door, and the front side of the cabinet is provided with a display screen , the upper end of the cabinet is provided with several second ventilation holes, the second ventilation holes communicate with the cooling chamber, the upper end of the cabinet is fixedly installed with several pillars, and the upper end of the pillars is provided with a rain shield .

Preferably, the monitoring device includes a bottom plate, on which a temperature detector, a humidity detector, and an electric fan are respectively arranged, an outer casing is arranged on the outside of the electric fan, and a ventilating plate is arranged on the top of the casing.

Preferably, the heat dissipation box includes a base and a box body, the base is fixed to the bottom of the box body by screws, the lower end of the base is provided with a heat dissipation pipe interface, and the upper end of the base is provided with several cooling fins. A column is provided in the middle of the upper end of the base, and an exhaust fan is sleeved on the column, and a cooling grid is provided on the top of the box.

Preferably, insect-proof nets are provided on the surfaces of the first ventilation hole and the second ventilation hole.

Preferably, several warning lights are provided on the display screen.

Preferably, the rain shield is arc-shaped.

In the present invention, when the power distribution cabinet is used, the temperature detector and humidity detector in the monitoring device will detect the situation in the power distribution cabinet. When the temperature is too high, the heat dissipation pipe will guide the heat into the heat dissipation The heat is dissipated from the heat dissipation grid and the second ventilation hole through the heat sink and the exhaust fan. When the humidity is higher than the limit value, the electric fan will start to operate, and the air flow in the electrical room will be increased through the first ventilation hole. Realize circulating heat dissipation and reduce humidity. At the same time, the display screen will display the temperature and humidity values in the power distribution cabinet in real time. When the limit value is exceeded, the warning light will light up to give effective reminders to the staff. In the rainy season, The rain shield effectively prevents rainwater from seeping into the power distribution cabinet and ensures the normal operation of electrical components. The invention realizes the independent operation of the heat dissipation device and the electrical components, effectively improves the heat dissipation effect of the power distribution cabinet, is waterproof and moisture-proof, improves the service life of the electrical components, has a high degree of automation, and is conducive to popularization.

Description of drawings

Fig. 1 is the structural representation of a kind of internal circulation cooling power distribution cabinet proposed by the present invention;

Fig. 2 is the structural representation of monitoring device of the present invention;

Fig. 3 is a schematic structural view of the heat dissipation box of the present invention.

In the figure: 1 cabinet body, 2 first air vent, 3 heat dissipation pipe, 4 partition, 5 slide rail, 6 electrical room door, 7 monitoring device, 8 cable trough, 9 display screen, 10 pillar, 11 second ventilation Hole, 12 cooling box, 13 rain shield, 14 cooling chamber door, 15 bottom plate, 16 temperature detector, 17 humidity detector, 18 electric fan, 19 cabinet, 20 base, 21 cooling pipe interface, 22 screw, 23 row Air fan, 24 columns, 25 cooling fins, 26 cooling grids.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

Referring to Figures 1-3, a power distribution cabinet with internal circulation heat dissipation includes a cabinet body 1. A cavity is provided inside the cabinet body 1. The cavity is provided with a heat dissipation chamber and an electrical appliance room along the vertical direction. The electrical appliance room is separated by a partition 4 There are several placement areas, the inner side wall of the electrical appliance room is provided with a slide rail 5 corresponding to the partition 4, and the two ends of the partition 4 are respectively located on the slide rail 5, and the rear side wall of the electrical appliance room is provided with a heat dissipation pipe 3, The inner wall of the placement area is provided with a cable groove 8 for placing cables, and the outer wall of the cabinet 1 is provided with several first ventilation holes 2 to ensure the fluidity of the air. The side wall of the electrical room is hinged with an electrical room The door 6 and the inner surface of the electrical room door 6 are provided with several monitoring devices 7 to monitor the situation in the cabinet 1. The heat dissipation chamber is provided with a heat dissipation box 12, and one end of the heat dissipation pipe 3 is connected with the heat dissipation box 12, and the heat dissipation chamber The side wall of the cabinet body 1 is hinged with a heat dissipation chamber door 14, and the front side of the cabinet body 1 is provided with a display screen 9 for displaying the temperature and humidity in the cabinet body 1. The upper end of the cabinet body 1 is provided with several second ventilation holes 11, and the second Ventilation holes 11 communicate with the heat dissipation chamber for dissipating heat and realizing circulating heat dissipation. Several pillars 10 are fixedly installed on the upper end of the cabinet body 1. The upper end of the pillars 10 is provided with a rain shield 13 to prevent rainwater leakage. The monitoring device 7 It includes a bottom plate 15, on which a temperature detector 16, a humidity detector 17 and an electric fan 18 are respectively arranged. The outer side of the electric fan 18 is provided with a casing, and the top of the casing is provided with a ventilating plate, which is beneficial to reduce the humidity in the electrical room, and the cooling box 12 includes a base 20 and a box body 19, the base 20 is fixed to the bottom of the box body 19 by screws 22, the lower end of the base 20 is provided with a heat dissipation pipe interface 21, and the upper end of the base 20 is provided with several cooling fins 25 for heat dissipation The middle part of the upper end of the base 20 is provided with a column 24, an exhaust fan 23 is sleeved on the column 24, a heat dissipation grid 26 is provided on the top of the box body 19, and the surfaces of the first ventilation hole 2 and the second ventilation hole 11 Anti-insect nets are all provided to prevent mosquitoes from entering and affecting the performance of electrical components. The display screen 9 is provided with several warning lights, which can effectively remind the staff that the rain shield 13 is arc-shaped.

In the present invention, when the power distribution cabinet is in use, the temperature detector 16 and the humidity detector 17 in the monitoring device 7 will detect the situation in the power distribution cabinet. When the temperature is too high, the heat dissipation pipe 3 will The heat is introduced into the heat dissipation box 12, and the heat is dissipated from the heat dissipation grid 26 and the second ventilation hole 11 through the heat sink 25 and the exhaust fan 23. When the humidity is higher than the limit value, the electric fan 18 will start to operate. A ventilation hole 2 increases the air flow in the electrical room and reduces the humidity. At the same time, the display screen 9 will display the temperature and humidity values in the power distribution cabinet in real time. When the limit value is exceeded, the warning light will light up to warn the staff Effective reminder, in the rainy season, the rain shield 13 effectively prevents rainwater from leaking into the power distribution cabinet, ensuring the normal operation of electrical components.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (6)

1. a kind of inner loop heat dissipation power distribution cabinet, including cabinet（1）, it is characterised in that the cabinet（1）It is interior to be provided with cavity, institute State cavity and be vertically provided with heat dissipation chamber and electric apparatus room, the electric apparatus room passes through dividing plate（4）It is divided into several rest areas, institute The madial wall for stating electric apparatus room is provided with and the dividing plate（4）Corresponding slide rail（5）, and dividing plate（4）Both ends be located at slide rail respectively （5）On, the rear wall of the electric apparatus room is provided with radiating tube（3）, the madial wall of the rest area is provided with cable trough（8）, the cabinet Body（1）Lateral wall be provided with several first air vents（2）, the side walls hinged of the electric apparatus room have electric apparatus room door（6）, the electricity Device room door（6）Inner surface be provided with several monitoring devices（7）, heat dissipation tank is provided with the heat dissipation chamber（12）, the radiating tube （3）One end and heat dissipation tank（12）It is connected, the side walls hinged of the heat dissipation chamber has heat dissipation chamber's door（14）, the cabinet（1）'s Front side is provided with display screen（9）, the cabinet（1）Upper end be provided with several second air vents（11）, second air vent （11）Connected with heat dissipation chamber, the cabinet（1）Upper end be installed with several pillars（10）, the pillar（10）Upper end Provided with rain visor（13）.

A kind of 2. inner loop heat dissipation power distribution cabinet according to claim 1, it is characterised in that the monitoring device（7）Bag Include bottom plate（15）, the bottom plate（15）On be respectively equipped with hygrosensor（16）, hygrosensor（17）And electric fan（18）, institute State electric fan（18）Outside be provided with shell, the top of the shell is provided with air permeable plate.

A kind of 3. inner loop heat dissipation power distribution cabinet according to claim 1, it is characterised in that the heat dissipation tank（12）Including Base（20）And casing（19）, the base（20）Pass through screw（22）With casing（19）Interior bottom is fixed, the base （20）Lower end be provided with radiating interface tube（21）, the base（20）Upper end be provided with several fin（25）, the base （20）The middle part of upper end is provided with column（24）, the column（24）On be socketed with exhaust fan（23）, the casing（19）Interior top Portion is provided with radiating grid（26）.

A kind of 4. inner loop heat dissipation power distribution cabinet according to claim 1, it is characterised in that first air vent（2） With the second air vent（11）Surface be equipped with fly net.

A kind of 5. inner loop heat dissipation power distribution cabinet according to claim 1, it is characterised in that the display screen（9）On set There are several warning lamps.

A kind of 6. inner loop heat dissipation power distribution cabinet according to claim 1, it is characterised in that the rain visor（13）For arc Shape.