CN217240084U - Power control cabinet - Google Patents

Abstract

The utility model provides a power control cabinet, which belongs to the technical field of power control cabinets and aims at solving the problem that radiators of the control cabinet in the prior art are all arranged in the control cabinet and heat is difficult to be radiated outside the control cabinet if a fan fails, wherein a component mounting plate is arranged in a cabinet body, the component mounting plate is positioned between the back plate and the door plate of the cabinet body, the back plate of the cabinet body is inwards concave to form a heat dissipation channel, the mounting hole is arranged on the inner concave surface of the heat dissipation channel, the heat radiator is installed on the mounting hole, the mounting plate of the heat radiator is arranged in the cabinet body towards the cabinet body, the heat dissipation fins of the heat radiator are located in the heat dissipation channel, at least one first heat dissipation fan is installed at one end of the heat radiator, at least one second heat dissipation fan is installed on the door plate of the cabinet body, the side plates on the two sides of the cabinet body are provided with air inlet channels, and the component mounting plates and the mounting plate of the heat radiator are staggered mutually. The utility model discloses a radiating fin installs outside the cabinet body, can let radiating fin's radiating efficiency better.

Description

A power control cabinet

technical field

The utility model belongs to the technical field of power supply control cabinets, in particular to a power supply control cabinet.

Background technique

The present control cabinet, such as the utility model with the patent number CN202077329U, discloses an air cooling system of the control cabinet and a frequency conversion control cabinet containing the system, including the bottom plate of the control cabinet, an electrical component installation panel arranged in the control cabinet, and arranged in the control cabinet. The left panel of the control cabinet, the right panel of the control cabinet and the rain cap at the top of the rear panel of the control cabinet and the radiator arranged on the back of the electrical component installation panel, the four sides of the electrical component installation panel are respectively connected with the rain cap, the bottom plate of the control cabinet, The left panel of the control cabinet is in contact with the inner surface of the right panel of the control cabinet; both the left panel of the control cabinet and the top of the right panel of the control cabinet are provided with an air outlet, and the air outlet is arranged on the electrical component installation panel and the rear panel of the control cabinet The bottom plate of the control cabinet is provided with an air inlet, and the air inlet is arranged between the electrical component installation panel and the rear panel of the control cabinet.

The radiators that dissipate heat for electrical components are generally installed in the control cabinet. Although the effect of heat dissipation can also be achieved, the control cabinet is a sealed space. The heat recovery of the radiator basically requires fans and fans to take away the control cabinet. If the fan or fan fails and cannot operate, the heat will accumulate in the control cabinet and be difficult to dissipate. Over time, the components in the control cabinet will be overheated and damaged.

SUMMARY OF THE INVENTION

The utility model proposes a power control cabinet in view of the problem that the radiators of the control cabinet in the prior art are all installed in the control cabinet, and it is difficult to dissipate heat to the outside of the control cabinet if the fan fails.

The purpose of the invention of the present utility model is achieved through the following technical solutions: a power control cabinet, comprising a cabinet body, the cabinet body is provided with a component mounting board, and the component mounting board is located between the back panel and the door panel of the cabinet body and the component mounting plate is parallel to the door panel of the cabinet body, the back panel of the cabinet body is provided with a heat dissipation channel formed concavely into the cabinet, the inner concave surface of the heat dissipation channel is provided with a mounting hole, and the mounting hole is A radiator is installed, the mounting plate of the radiator faces the cabinet, the heat dissipation fins of the radiator are located in the heat dissipation channel, at least one first heat dissipation fan is installed at one end of the radiator, and at least one first heat dissipation fan is installed on the door panel of the cabinet. Two cooling fans, the side panels on both sides of the cabinet are provided with air inlet channels, and the component mounting plates and the mounting plates of the radiator are staggered from each other.

In the above scheme, the components with large heat generation are installed on the mounting plate of the radiator, and the component mounting plate is located between the back plate and the door plate of the cabinet. Components can be installed on both sides of the component mounting plate, increasing the The number of components that can be installed. The heat dissipation fins of the radiator are not in the cabinet, and the heat emitted by the components mounted on the mounting plate of the radiator can be dissipated to the air outside the power control cabinet through the heat dissipation fins. The radiator is installed in the heat dissipation channel formed by the concave back panel of the cabinet, which is equivalent to the radiator being embedded in the cabinet. The radiator can be protected by the cabinet shell without increasing the volume of the cabinet. The component mounting plate and the mounting plate of the radiator are staggered from each other by a certain position, and the components installed on the mounting plate of the radiator can be checked without disassembling the component mounting plate during maintenance.

Preferably, the heat dissipation channel runs through both ends of the cabinet. It will not block the flow of air, especially when there is a cooling fan to enhance the air flow.

Preferably, at least one side panel of the cabinet is provided with a plurality of wiring terminals, the incoming end of the wiring terminal is located in the cabinet, and the outgoing end of the wiring terminal is located outside the cabinet. The wire inlet end of the utility model is arranged inside the cabinet, and the wire outlet end is arranged outside the cabinet, so that there is no need to open a through hole for the cable to pass through the cabinet body, and it is not necessary to open the cabinet door to connect inside the cabinet during wiring, which is convenient for wiring.

Preferably, an upper mounting bar and a lower mounting bar are fixedly connected in the cabinet, and the upper and lower ends of the component mounting plate are respectively fixed and mounted on the upper mounting bar and the lower mounting bar. It is convenient for the disassembly and maintenance of the component mounting plate.

Preferably, the component mounting plate is provided with a first gap and a second gap, the first gap is located directly in front of the mounting plate of the radiator; the second mounting hole is located at a corresponding position of the lower mounting strip. The first notch can make it easier for the user to pass through the component mounting plate to check the condition of the components mounted on the mounting plate of the heat sink. The position passing through the second mounting hole can directly install the components on the lower mounting strip. The mounting strips are generally metal parts with good thermal conductivity, which is conducive to the heat dissipation of the components.

Preferably, the air inlet channel is close to the lower end of the side panel, the lower end of the component mounting plate is higher than the air inlet channel, and the second cooling fan installed on the door panel is close to the upper end of the door panel. The air entering the air inlet channel is driven by the second cooling fan to guide the air to flow upward and flow out of the cabinet from the second cooling fan. The position of the component mounting plate is higher than the air inlet channel, and the airflow just flows through the component mounting plate and the mounting plate of the radiator, and the heat of the components on the component mounting plate and the radiator mounting plate is taken away.

Preferably, the ends of the heat dissipation fins of the radiator are flush with the back plate of the cabinet. Under the condition that the ends of the heat dissipation fins do not exceed the cabinet backplane, the longer the length of the heat dissipation fins, the better the heat dissipation effect.

Preferably, the first heat dissipation fan is installed on the upper end or the lower end of the heat dissipation fin, and the outer contour of the first heat dissipation fan does not exceed the heat dissipation channel. The wind direction of the cooling fan is the same as the direction of the cooling channel, which enhances the cooling capacity of the radiator. The outer contour of the first cooling fan does not exceed the cooling channel, the first cooling fan does not protrude outward relative to the cabinet, and only the size of the cabinet needs to be considered when installing the control cabinet.

Preferably, the component mounting board is an insulating board. Components can be installed on both sides of the component mounting plate, and the component mounting plate made of insulating material provides good electrical isolation for the components installed on the front and back sides of the component mounting plate.

Compared with the prior art, the utility model has the following beneficial effects: the radiating fins of the radiator are installed outside the cabinet, which can make the radiating efficiency of the radiating fins better; The position of the components installed on the mounting plate of the radiator can be checked without disassembling the component mounting plate during maintenance.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the exploded view of the utility model;

Figure 3 is a schematic diagram of the internal structure of the cabinet.

Markings in the figure: 1. Cabinet body; 2. Component mounting plate; 3. Cooling channel; 4. Mounting hole; 5. Radiator; 6. First cooling fan; 7. Second cooling fan; 8. Terminal; 9. Upper installation strip; 10. Lower installation strip; 11. First gap; 12. Second gap; 13. Air inlet channel.

Detailed ways

The present utility model will be further described below in conjunction with the embodiments represented by the accompanying drawings:

As shown in FIG. 1 to FIG. 3 , a power control cabinet includes a cabinet body 1 , an upper mounting bar 9 and a lower mounting bar 10 are fixedly connected in the cabinet body 1 , and the upper mounting bar 9 and the lower mounting bar 10 are located in the cabinet body 1 . Between the door panel and the back panel, the upper mounting bar 9 and the lower mounting bar 10 are fixedly mounted with an insulating component mounting plate 2 , and the component mounting plate 2 is parallel to the door panel of the cabinet 1 . The component mounting plate 2 is provided with a first notch 11 and a second notch 12 , and the second mounting hole 4 is located at a position corresponding to the lower mounting bar 10 . The back plate of the cabinet body 1 is provided with a heat dissipation channel 3 formed concavely into the cabinet body 1 , and the heat dissipation channel 3 runs through the upper and lower ends of the cabinet body 1 . A radiator 5 is mounted on the mounting hole 4 , the mounting plate of the radiator 5 faces into the cabinet 1 , and the components with large heat generation are mounted on the mounting plate of the radiator 5 . The component mounting plate 2 is located at a certain distance in front of the mounting plate of the heat sink 5, and there is a certain dislocation between the component mounting plate 2 and the mounting plate of the heat sink 5. the case of all components on the mounting board of the device 5. The heat dissipation fins of the radiator 5 are located in the heat dissipation channel 3, and the ends of the heat dissipation fins of the radiator 5 are flush with the backplane of the cabinet 1. In the case where the ends of the heat dissipation fins do not exceed the backplane of the cabinet 1 , the longer the length of the heat dissipation fins, the better the heat dissipation effect. Two first cooling fans 6 are installed on the upper ends of the cooling fins to form forced cooling air, which accelerates the air circulation around the cooling fins, thereby increasing the cooling efficiency of the cooling fins. The side panels on both sides of the cabinet 1 are provided with air inlet channels 13. The air inlet channels 13 are close to the lower end of the side panels. The lower end of the component mounting plate 2 is higher than the air inlet channel 13. Two cooling fans 7, the second cooling fan 7 is close to the upper end of the door panel. The air entering the air inlet channel 13 is driven by the second cooling fan 7 , which will lead the air to flow upward and then flow out of the cabinet 1 from the second cooling fan 7 . The component mounting plate 2 is located higher than the air inlet channel 13, and the airflow just flows through the component mounting plate 2 and the mounting plate of the radiator 5, and the heat of the components on the component mounting plate 2 and the radiator 5 mounting plate is taken away. . A number of wiring terminals 8 are installed on one side panel of the cabinet body 1 . There is no need to open a through hole for the cable to pass through the cabinet body 1, and there is no need to open the cabinet door to connect to the cabinet body 1 when wiring, which is convenient for wiring.

The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art of the present invention can make various modifications or supplements to the described specific embodiments or replace them in similar ways, but will not deviate from the spirit of the present invention or go beyond the appended claims the defined range.

Claims (9)

1. A power control cabinet, comprising a cabinet body (1), wherein a component mounting plate (2) is provided in the cabinet body (1), and the component mounting plate (2) is located at the back of the cabinet body (1). between the panel and the door panel, and the component mounting panel (2) is parallel to the door panel of the cabinet body (1), characterized in that the back panel of the cabinet body (1) is provided with a recess toward the cabinet body (1). A heat dissipation channel (3) is formed, a mounting hole (4) is provided on the inner concave surface of the heat dissipation channel (3), a radiator (5) is mounted on the mounting hole (4), and the installation of the heat sink (5) The board faces into the cabinet (1), the cooling fins of the radiator (5) are located in the cooling channel (3), and at least one first cooling fan (6) is installed at one end of the radiator (5). The cabinet (1) At least one second cooling fan (7) is installed on the door panel of the cabinet body (1), air inlet channels (13) are provided on both side panels of the cabinet (1), and the component mounting plate (2) and the radiator (5) are installed The boards are staggered from each other. 2 . The power control cabinet according to claim 1 , wherein the heat dissipation channel ( 3 ) runs through both ends of the cabinet body ( 1 ). 3 . 3. A power control cabinet according to claim 1, characterized in that a plurality of connection terminals (8) are installed on the side plate of at least one side of the cabinet (1), and the incoming wires of the connection terminals (8) The terminal is located in the cabinet (1), and the outgoing end of the wiring terminal (8) is located outside the cabinet (1). 4. A power control cabinet according to claim 1, characterized in that, the cabinet body (1) is fixedly connected with an upper mounting strip (9) and a lower mounting strip (10), and a component mounting plate (2) The upper and lower ends of ) are respectively fixed on the upper mounting strip (9) and the lower mounting strip (10). 5 . The power control cabinet according to claim 1 , wherein the component mounting plate ( 2 ) is provided with a first notch ( 11 ) and a second notch ( 12 ), the first notch ( 11 ). ) is located right in front of the mounting plate of the radiator (5); the second mounting hole (4) is located at the corresponding position of the lower mounting strip (10). 6. A power control cabinet according to claim 1, characterized in that the lower end of the air inlet channel (13) close to the lower side component mounting plate (2) of the side plate is higher than the air inlet channel (13) . 7 . The power control cabinet according to claim 1 , wherein the ends of the heat dissipation fins of the radiator ( 5 ) are flush with the back plate of the cabinet body ( 1 ). 8 . 8. A power control cabinet according to claim 1, characterized in that the first cooling fan (6) is installed on the upper end or the lower end of the cooling fin, and the first cooling fan (6) The outer contour does not extend beyond the cooling channel (3). 9 . The power control cabinet according to claim 1 , wherein the component mounting plate ( 2 ) is an insulating plate. 10 .

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