WO2022036716A1

WO2022036716A1 - Power distribution cabinet facilitating heat dissipation

Info

Publication number: WO2022036716A1
Application number: PCT/CN2020/110612
Authority: WO
Inventors: 郑娉婷
Original assignee: 南京溧水高新创业投资管理有限公司
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2022-02-24

Abstract

A power distribution cabinet that facilitates heat dissipation, comprising a cabinet body; the cabinet body comprises a top cabinet panel (1), a rear cabinet panel, a bottom cabinet panel (2), a door panel (3), and two side cabinet panels (4) that are correspondingly connected to the cabinet body; spacing support panels (5) parallel to the bottom cabinet panel (2) are further connected between the two side cabinet panels (4); and wire openings (6) are formed to penetrate the locations of the rear cabinet panel corresponding to between the top cabinet panel (1) and the spacing support panels (5) that are adjacent, the location between two adjacent spacing support panels (5), and the location between the spacing support panels (5) and the bottom cabinet panel (2) that are adjacent; the bottom cabinet panel (2) and the spacing support panels (5) are all net rack panels, the bottom part of the bottom cabinet panel (2) and the top part of the side cabinet panels (4) are provided with heat dissipation and ventilation apparatuses (7), and the heat dissipation and ventilation apparatuses that actively drive air to flow to make the air in the interior of the entire cabinet body to flow, thereby leading the heat in the cabinet body out of the cabinet body, and cooling power distribution devices inside the cabinet body, so that the power distribution devices can maintain a good working performance.

Description

A power distribution cabinet that facilitates heat dissipation

technical field

The invention relates to the field of electrical equipment, and more particularly, to a power distribution cabinet that facilitates heat dissipation.

Background technique

Power distribution cabinets (boxes) are divided into power distribution cabinets (boxes), lighting distribution cabinets (boxes), and metering cabinets (boxes), which are the final equipment of the power distribution system. Power distribution cabinet is a general term for motor control center. The power distribution cabinet is used in situations where the load is relatively scattered and there are few circuits; the motor control center is used in the situations where the load is concentrated and there are many circuits. They distribute the electrical energy of a certain circuit of the upper-level power distribution equipment to the nearest load. This class of equipment shall provide protection, monitoring and control of the load.

The classification includes the first-level power distribution equipment, the second-level power distribution equipment and the last-level power distribution equipment; the first-level power distribution equipment is collectively referred to as the power distribution center. They are centrally installed in the enterprise's substations and distribute power to subordinate power distribution equipment at different locations. This level of equipment is close to the step-down transformer, so the electrical parameters are required to be higher, and the output circuit capacity is also larger. Secondary power distribution equipment is a general term for power distribution cabinets and motor control centers. Power distribution cabinets are used in situations where the load is relatively scattered and there are few circuits; the motor control center is used in situations where the load is concentrated and there are many circuits. They distribute the electrical energy of a certain circuit of the upper-level power distribution equipment to the nearest load. This class of equipment shall provide protection, monitoring and control of the load. The final power distribution equipment is collectively referred to as the lighting power distribution box. They are far from the power supply center and are decentralized small-capacity power distribution equipment.

The power distribution cabinet accommodates the required power distribution devices in the current power distribution range, and the power distribution devices will be centrally placed in the cabinet. In order to ensure the normal operation of the power distribution devices, it is necessary to do a good job of cooling inside the cabinet. , so as to avoid the influence of poor heat dissipation of power distribution devices on work for a long time.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a power distribution cabinet that facilitates heat dissipation, and a heat dissipation ventilation device that actively drives air flow, so that the entire interior of the cabinet can flow air, so as to bring the heat inside the cabinet to the outside of the cabinet. The power distribution devices inside the cabinet are cooled, so that these power distribution devices maintain good working performance.

The above technical purpose of the present invention is achieved through the following technical solutions: a power distribution cabinet that facilitates heat dissipation, comprising a cabinet body, the cabinet body including a top cabinet board, a rear cabinet board, a bottom cabinet board, a door board and a correspondingly connected Two side cabinet boards, between which is also connected a spacer plate parallel to the bottom cabinet board, and the rear cabinet board corresponds to the adjacent top cabinet board and the spacer support The position between the boards, the position between the two adjacent spacer boards, and the position between the adjacent spacer board and the bottom cabinet board are provided with wire through holes; the bottom cabinet board and all The spacer plates are all grid plates, and the bottom of the bottom cabinet plate and the top of the side cabinet plate are provided with heat dissipation and ventilation devices.

As a preferred technical solution of the present invention, the cooling and ventilation device includes an air suction mechanism and an air blowing mechanism with opposite blowing directions.

As a preferred technical solution of the present invention, two air blowing mechanisms and one air suction mechanism are arranged side by side on the bottom surface of the bottom cabinet plate, the air suction mechanism is arranged in the middle of the two air blowing mechanisms, and the side cabinet The top of the board is provided with a heat dissipation port, the heat dissipation and ventilation device is embedded in the heat dissipation port, and the heat dissipation and ventilation device on the side cabinet plate includes a blowing mechanism and an air suction mechanism arranged up and down.

As a preferred technical solution of the present invention, the blowing mechanism is an electric fan that blows air to the inside of the cabinet, and the blowing mechanism includes an electric fan that blows air to the outside of the cabinet; the electric fan is an electric fan with adjustable wind power. fan.

As a preferred technical solution of the present invention, the side of the heat dissipation ventilation device facing the outside of the cabinet is also covered with a dustproof ventilation cloth; the dustproof ventilation cloth is detachably connected to the heat dissipation ventilation device outside.

As a preferred technical solution of the present invention, a plurality of moving wheels are also arranged at the bottom of the heat dissipation and ventilation device of the bottom cabinet board; the moving wheels are universal wheels, and the universal wheels are equipped with braking components.

As a preferred technical solution of the present invention, a moisture-proof mechanism is arranged inside the side cabinet, and the moisture-proof mechanism includes an air absorbing bag and a support frame, and one end of the support frame is fixedly connected to the side cabinet, so The air absorbent bag is arranged on the support frame.

As a preferred technical solution of the present invention, a plurality of temperature sensors are arranged on the inner side of the rear cabinet, and a temperature display screen connected to the temperature sensor is arranged on the outer side of one of the side cabinets.

As a preferred technical solution of the present invention, an outer side of the rear cabinet is provided with a dust baffle obliquely at the position where the wire through-hole is provided, and the top of the dust-proof baffle is located at the wire through-hole. The top edge is connected; the bottom edge and the side edge of the wire through hole are surrounded by an elastic dust cover between the bottom edge and the side edge of the dust baffle.

As a preferred technical solution of the present invention, the door panel is a transparent door panel, and a handle is provided on the outside of the door panel.

In summary, the present invention has the following beneficial effects: the spacer plate is used to place power distribution devices, to receive power distribution devices, and to reasonably separate the interior space of the cabinet, so that more Power distribution devices make the power distribution cabinet more complete in functions, with a higher degree of integration, saving space resources, and facilitating practical use; wire penetrations allow external electrical devices to be wired and connected to power distribution devices inside the cabinet; grids The board can facilitate ventilation and heat dissipation, and cooperate with the cooling ventilation device that can actively drive the air flow, so that the entire interior of the cabinet can flow air, so that the heat inside the cabinet can be carried to the outside of the cabinet, and the power distribution components inside the cabinet can be affected. Cooling is carried out, so that these power distribution devices maintain good working performance.

Description of drawings

Fig. 1 is the cabinet structure schematic diagram of the present invention;

FIG. 2 is a schematic diagram of the dust-proof baffle of the present invention.

In the figure: 1. Top cabinet board; 2. Bottom cabinet board; 3. Door board; 31. Handle; 4. Side cabinet board; air mechanism; 72, blowing mechanism; 8, moving wheel; 9, air suction bag; 91, support frame; 10, temperature display screen; 101, temperature sensor; 11, dust baffle; 111, elastic dust jacket.

detailed description

The present invention will be further described in detail below with reference to the accompanying drawings.

As shown in FIG. 1 , the present invention provides a power distribution cabinet that facilitates heat dissipation, including a cabinet body, which is used for accommodating power distribution components required for power distribution, and the cabinet body includes a top cabinet board 1 and a rear cabinet board that are correspondingly connected. , bottom cabinet panel 2, door panel 3 and two side cabinet panels 4, the door panel 3 is hinged with one side cabinet door and buckled with the other side cabinet door, so as to facilitate the opening of the cabinet door of the cabinet body, the two side cabinets A spacer plate 5 parallel to the bottom cabinet plate 2 is also connected between the plates 4. The spacer plate 5 is used to place power distribution devices, to undertake power distribution devices, and to reasonably separate the internal space of the cabinet, so as to facilitate More power distribution devices can be placed in the cabinet, which makes the functions of the power distribution cabinet more complete, the degree of integration is higher, space resources are saved, and it is convenient for practical use; the rear cabinet board corresponds to the adjacent top cabinet board 1 and spacers The position between the plates 5, the position between the two adjacent spacer plates 5, and the position between the adjacent spacer plates 5 and the bottom cabinet plate 2 are provided with wire through holes 6, and the wire through holes 6 It is convenient for the external electrical devices to be connected with the power distribution devices inside the cabinet; the bottom cabinet board 2 and the spacer board 5 are both grid boards, and the bottom of the bottom cabinet board 2 and the top of the side cabinet board 4 are equipped with heat dissipation ventilation Device 7, the grid plate can facilitate ventilation and heat dissipation, and cooperate with the cooling and ventilation device 7 that can actively drive air flow, so that the entire interior of the cabinet can flow air, so as to bring the heat inside the cabinet to the outside of the cabinet. The power distribution devices inside the body are cooled, so that these power distribution devices maintain good working performance.

As a specific embodiment of the present invention, as shown in FIG. 1 , the cooling and ventilation device 7 includes an air suction mechanism 71 and an air blowing mechanism 72 with opposite blowing directions, and the opposite directions of the air suction mechanism 71 and the air blowing mechanism 72 induce air flow , When in use, it can fully cause a larger flow of air inside the cabinet, and the effect of heat dissipation is better, which is more conducive to practical use.

As a specific embodiment of the present invention, as shown in FIG. 1 , two air blowing mechanisms 72 and one air suction mechanism 71 are arranged side by side on the bottom surface of the bottom cabinet plate 2 , and the air suction mechanism 71 is arranged between the two air blowing mechanisms 72 . In the middle, the top of the side cabinet plate 4 is provided with a heat dissipation port, and the heat dissipation ventilation device 7 is embedded in the heat dissipation port.

The cooling and ventilation device 7 at the bottom of the cabinet adopts the setting of the air blowing mechanism 72 at both ends and the air suction mechanism 71 in the middle. The dust is blown around the cabinet, which is beneficial to clean up the dust around the cabinet; and when the suction mechanism 71 is working, when the air is delivered to the inside of the cabinet, it can reduce the dust blowing around the cabinet. The possibility of entering the inside of the cabinet can keep the cleaning effect inside the cabinet very well;

The cooling ventilation device 7 at the top of the side cabinet board 4 is used in conjunction with the cooling ventilation device 7 at the bottom of the bottom cabinet board 2, one is at the top of the cabinet body, and the other is at the bottom of the cabinet body, when the air blowing mechanism 72 on the top of the cabinet body and the cabinet When the air suction mechanism 71 at the bottom of the cabinet is turned on, a bottom-up wind can be generated inside the cabinet, so that the air heat inside the cabinet can be discharged from the bottom to the top to the outside of the cabinet inside the cabinet. While taking the air heat inside the cabinet, it will also cool down the power distribution devices inside the cabinet, so as to keep the power distribution devices running stably;

When the air suction mechanism 71 at the top of the cabinet and the air blowing mechanism 72 at the bottom of the cabinet are turned on, wind from top to bottom can be generated inside the cabinet, and the air heat inside the cabinet can be exhausted from high to low. To the outside of the cabinet, while taking away the air heat inside the cabinet, it also cools the power distribution devices inside the cabinet, so as to keep the power distribution devices running stably.

To sum up, the direction of the air flow inside the cabinet can be completely opposite, so in the actual use process, the power distribution components can be ventilated and dissipated in a wider range inside the cabinet, and the heat dissipation effect is better. useful for practical use.

As a specific embodiment of the present invention, the blowing mechanism is an electric fan that blows air to the inside of the cabinet, and the air blowing mechanism 72 includes an electric fan that blows air to the outside of the cabinet. The electric fan has low cost, wide application and simple structure. The electric fan is applied to the power distribution cabinet, which can be more economical, cost-effective, and beneficial to practical use; the electric fan is an electric fan with adjustable wind power, which is convenient to adjust the air volume according to the actual cooling demand of the power distribution cabinet, thereby saving energy. , more flexibly dissipate heat to the power distribution components inside the cabinet, which is more conducive to practical use.

As a specific embodiment of the present invention, the side of the cooling ventilation device 7 facing the outside of the cabinet is also covered with a dustproof ventilation cloth; the dustproof ventilation cloth can filter the air under the condition of ventilation, and in actual use , can prevent the cooling and ventilation device 7 from bringing the dust outside the cabinet into the interior of the cabinet during the working process, so as to protect the power distribution components inside the cabinet. The dust-proof ventilation cloth is detachably connected to the cooling ventilation device 7 Outside, after the dust-proof and ventilation cloth has been working for a period of time, some dust may accumulate, which may block the cloth holes and have a certain impact on the work of the cooling and ventilation device 7. Therefore, the dust-proof and ventilation cloth needs to be cleaned. Clean up in time to ensure the normal operation of the cooling ventilation device 7 , so the detachable connection can quickly and conveniently replace the dustproof ventilation cloth, thereby maintaining the good working performance of the cooling ventilation device 7 .

As a specific embodiment of the present invention, as shown in FIG. 1 , a number of moving wheels 8 are also arranged at the bottom of the heat dissipation and ventilation device 7 of the bottom cabinet board 2 . The overall weight of the cabinet is very heavy, which is very inconvenient to transport and move. With the moving wheel 8, the entire cabinet can be moved relatively conveniently and effortlessly; the moving wheel 8 is a universal The direction wheel is more conducive to the change of the moving direction of the cabinet body, and the braking part can lock the universal wheel when the cabinet body does not need to be moved, which makes the cabinet body more stable.

As a specific embodiment of the present invention, as shown in FIG. 1 , a moisture-proof mechanism is configured inside the side cabinet panel 4 , and the moisture-proof mechanism includes an air suction bag 9 and a support frame 91 , and one end of the support frame 91 is fixedly connected to the side cabinet panel 4 . , the air suction bag 9 is arranged on the support frame 91, the air suction bag 9 can absorb all the moisture in the air, so as to keep the interior of the cabinet dry and ensure that the power distribution device will not affect the working performance due to moisture.

As a specific embodiment of the present invention, as shown in FIG. 1 , several temperature sensors 101 are arranged on the inner side of the rear cabinet, and a temperature display screen 10 connected to the temperature sensor 101 is arranged on the outer side of one side cabinet 4 . 10 can display the temperature of each position inside the cabinet, so as to determine the degree of heat dissipation required inside the cabinet, and can more accurately understand the temperature of the power distribution device, so as to better open the heat dissipation ventilation device 7 for heat dissipation.

As a specific embodiment of the present invention, as shown in FIG. 2 , the outer side of the rear cabinet is provided with a dust-proof baffle 11 inclined at the position where the wire through-hole 6 is provided, and the top of the dust-proof baffle 11 is located at the wire through-hole. 6. The top edge is connected; the bottom edge and side edge of the wire opening 6 are surrounded by an elastic dust cover 111 between the bottom edge and the side edge of the dust baffle 11, which can prevent dust from entering the wire through the wire opening 6. Inside the cabinet, the dustproof effect is good, which is conducive to practical use.

As a specific embodiment of the present invention, as shown in FIG. 2, the door panel 3 is a transparent door panel 3, and a handle 31 is provided on the outside of the door panel 3, which is convenient for the staff to check the status of the power distribution devices inside the cabinet from the outside, which is beneficial to practical use.

The above are only the preferred embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

A power distribution cabinet that facilitates heat dissipation, characterized by comprising a cabinet body, the cabinet body comprising a top cabinet board (1), a rear cabinet board, a bottom cabinet board (2), a door board (3) and two correspondingly connected A side cabinet board (4), a spacer plate (5) parallel to the bottom cabinet board (2) is also connected between the two side cabinet boards (4), and the rear cabinet board corresponds to the adjacent The position between the top cabinet plate (1) and the spacer plate (5), the position between two adjacent spacer plates (5), the adjacent spacer plate (5) and the spacer plate (5) A wire through hole (6) is provided through the position between the bottom cabinet boards (2); the bottom cabinet board (2) and the spacer plate (5) are both grid boards, and the bottom cabinet board ( The bottom of 2) and the top of the side cabinet board (4) are provided with cooling and ventilation devices (7).
A power distribution cabinet that facilitates heat dissipation according to claim 1, wherein the heat dissipation and ventilation device (7) comprises an air suction mechanism (71) and an air blowing mechanism (72) with opposite blowing directions.
The power distribution cabinet according to claim 2, wherein the bottom surface of the bottom cabinet board (2) is arranged with two air blowing mechanisms (72) and one air suction mechanism (71) side by side, The air suction mechanism (71) is arranged in the middle of the two air blowing mechanisms (72), the top of the side cabinet plate (4) is provided with a heat dissipation port, and the heat dissipation ventilation device (7) is embedded in the heat dissipation device Inside the mouth, the heat dissipation and ventilation device (7) on the side cabinet plate (4) includes an air blowing mechanism (72) and an air suction mechanism (71) arranged up and down.
The power distribution cabinet according to claim 2, wherein the blowing mechanism is an electric fan that blows air to the inside of the cabinet, and the blowing mechanism (72) includes a fan that blows air to the outside of the cabinet. An electric fan; the electric fan is an electric fan with adjustable wind power.
A power distribution cabinet that facilitates heat dissipation according to claim 1, characterized in that: the side of the heat dissipation ventilation device (7) facing the outside of the cabinet body is also covered with a dustproof ventilation cloth; The dust ventilation cloth is detachably connected to the outside of the heat dissipation ventilation device (7).
A power distribution cabinet that facilitates heat dissipation according to claim 1, characterized in that: the bottom of the heat dissipation and ventilation device (7) of the bottom cabinet board (2) is further provided with a number of moving wheels (8); The wheel (8) is a universal wheel, and the universal wheel is equipped with a braking component.
The power distribution cabinet according to claim 1, characterized in that: a moisture-proof mechanism is arranged inside the side cabinet board (4), and the moisture-proof mechanism includes an air suction bag (9) and a support frame ( 91), one end of the support frame (91) is fixedly connected to the side cabinet board (4), and the air suction bag (9) is arranged on the support frame (91).
The power distribution cabinet according to claim 1, characterized in that: a plurality of temperature sensors (101) are arranged on the inner side of the rear cabinet board, and a plurality of temperature sensors (101) are arranged on the outer side of one of the side cabinet boards (4) A temperature display screen (10) to which the temperature sensor (101) is connected.
The power distribution cabinet according to claim 1, wherein the outer side of the rear cabinet plate is provided with a dust-proof baffle (11) inclined at the position where the wire through hole (6) is provided. ), the top of the dust baffle (11) is connected to the top edge of the wire through hole (6); the bottom edge and side edge of the wire through hole (6) are connected to the dust baffle (11). ) is provided with an elastic dust cover (111) between the bottom edge and the side edge.
The power distribution cabinet according to claim 1, wherein the door panel (3) is a transparent door panel (3), and a handle (31) is provided on the outside of the door panel (3).