A heat dissipation enhancement device for control cabinets in a centralized control room for electromechanical equipment.

Abstract

This utility model discloses an enhanced heat dissipation device for a control cabinet in a centralized control room for electromechanical equipment. The device features a shroud at the top of the cabinet to guide rising hot airflow to a heat dissipation duct. Two fans inside the duct then generate suction to expel the hot airflow. One fan acts as the suction power source, while the other rectifies the airflow to align with the axial direction of the heat dissipation duct. Furthermore, an axial fan is installed at the bottom of the control cabinet to provide ambient temperature gas upwards, thus creating a vertical heat dissipation airflow within the cabinet. This maximizes the removal of heat from the cabinet and ensures the cabinet operates at a reasonable temperature.

Description

Technical Field

[0001] This utility model relates to a heat dissipation device for control cabinets, and more particularly to a heat dissipation enhancement device for control cabinets in a centralized control room for electromechanical equipment. Background Technology

[0002] The water supply-specific variable frequency control cabinet is a device used to regulate and control the water industry. This device is mainly used to regulate and control the pipeline pressure in the water industry and water treatment industry, helping them to quickly and conveniently set the pipeline pressure, maintain the pipeline pressure constant, and achieve maximum energy saving.

[0003] Variable frequency control cabinets generate a lot of heat during operation, so a heat dissipation structure needs to be designed to cool the inside of the cabinet. Patent application number CN107809068A discloses a heat dissipation structure for a wind power generation variable frequency control cabinet, including a cabinet body and a cabinet door. The cabinet door is installed on the cabinet body by a pin on one side. A heater is installed on the lower part of the inner side wall of the cabinet door. A cooling fan is installed on the cabinet door below the heater. The heater is fixedly installed to the cabinet door by a mounting bracket. There is a gap between the back of the mounting bracket of the heater and the cabinet door to form a ventilation channel.

[0004] The aforementioned patent uses a single cooling fan for heat dissipation. However, during heat dissipation, the electrical components inside the cabinet significantly obstruct the ventilation channel, greatly weakening the airflow generated by the fan on the lower side. Furthermore, since the fan is located on the cabinet door, the airflow generated by the fan is difficult to guide and disperses in all directions after being obstructed, failing to carry away the heat and thus failing to guarantee the heat dissipation effect. Utility Model Content

[0005] In view of the shortcomings of existing technologies that use a single fan for heat dissipation, such as the fan being weakened by obstruction and the airflow being scattered in all directions, resulting in turbulent airflow and failing to expel hot airflow, thus affecting the heat dissipation effect, this utility model provides a control cabinet enhanced heat dissipation device in the centralized control room of electromechanical equipment.

[0006] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows:

[0007] A heat dissipation enhancement device for a control cabinet in a centralized control room for electromechanical equipment includes a control cabinet body and a heat dissipation device disposed on the control cabinet body. The heat dissipation device includes an air inlet channel disposed at the bottom of the control cabinet body and an exhaust structure disposed at the top of the control cabinet body. The exhaust structure includes a heat dissipation shroud disposed at the top of the control cabinet body, a heat dissipation duct disposed on the heat dissipation shroud, and a fan assembly disposed inside the heat dissipation duct. The fan assembly includes a drive motor disposed outside the heat dissipation duct and a first fan blade and a second fan blade disposed inside the heat dissipation duct. The output shaft of the drive motor passes through the heat dissipation duct and through the first fan blade and is connected to the second fan blade. The first fan blade is fixed inside the heat dissipation duct and its axis is collinear with the axis of the first heat dissipation duct. The first fan blade includes a plurality of spiral blades evenly distributed in a circular array. The second fan blade has the same structure as the first fan blade and is installed as a mirror image of the first fan blade.

[0008] Preferably, the cooling duct includes a vertical section and a horizontal section, which are connected by a bend. The two sets of fan blades of the fan assembly are located in the vertical section, and the drive motor is located above the bend with its output shaft passing through the bend and extending into the vertical section.

[0009] Preferably, the heat dissipation duct is a metal pipe with a cylindrical body welded to the bend, and the output shaft is housed in the cylindrical body and supported by bearings.

[0010] Preferably, the control cabinet body is provided with support legs at the bottom and a vertical tube at the bottom, with an axial flow fan driven by a motor inside the vertical tube.

[0011] Preferably, the control cabinet body has an installation space inside, and the electromechanical equipment is located in the middle of the installation space so that there are air ducts on both sides of the installation space. The two sides of the heat dissipation shroud are provided with flow guiding slopes or flow guiding arc surfaces, and the exhaust structure is located in the middle of the top side of the heat dissipation shroud.

[0012] Compared with the prior art, the advantages of this utility model are as follows: This application sets a shroud on the top of the cabinet to guide the rising hot airflow to the heat dissipation duct. The hot airflow is then discharged by two heat dissipation fans installed inside the heat dissipation duct. One of the two sets of fan blades serves as the suction power source, and the other is used for rectification to make the airflow direction consistent with the axis of the heat dissipation duct. In addition, an axial fan is set at the bottom of the control cabinet, which provides room temperature gas upward from the bottom, thereby creating a vertical heat dissipation airflow inside the cabinet, maximizing the discharge of heat from the cabinet and ensuring that the cabinet is at a reasonable working temperature. Attached Figure Description

[0013] The present invention will be further described in detail below with reference to the accompanying drawings and preferred embodiments. However, those skilled in the art will understand that these drawings are drawn only for the purpose of explaining the preferred embodiments and therefore should not be construed as limiting the scope of the present invention. Furthermore, unless specifically indicated, the drawings are only schematic representations of the composition or structure of the described objects and may contain exaggerated depictions, and the drawings are not necessarily drawn to scale.

[0014] Figure 1 This is the front view of this application;

[0015] Figure 2 This is a side view of this application;

[0016] Figure 3 This is a perspective view of the present application;

[0017] Figure 4 This is a cross-sectional view of this application;

[0018] Figure 5 This is a diagram showing the arrangement of the control cabinet units;

[0019] Figure 6 for Figure 4 Enlarged view of point A in the middle;

[0020] In the diagram: 10. Control cabinet body; 101. Support leg; 102. Air inlet channel; 1021. Motor; 103. Airflow guide and heat dissipation cover; 20. Exhaust structure; 201. Heat dissipation duct; 202. Vertical pipe; 203. Drive motor; 2031. Output shaft; 2032. First fan blade; 2033. Second fan blade. Detailed Implementation

[0021] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Those skilled in the art will appreciate that these descriptions are merely descriptive and exemplary and should not be construed as limiting the scope of protection of the present invention.

[0022] It should be noted that similar labels in the following figures indicate similar items; therefore, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.

[0023] This embodiment mainly describes the title of a heat dissipation enhancement device for control cabinets in a centralized control room for electromechanical equipment, as detailed below:

[0024] A heat dissipation enhancement device for control cabinets in a centralized control room for electromechanical equipment, such as Figure 1-6As shown, the system includes a control cabinet body 10 and a heat dissipation device disposed on the control cabinet body 10. The heat dissipation device includes an air inlet channel 102 disposed at the bottom of the control cabinet body 10 and an exhaust structure 20 disposed at the top of the control cabinet body 10. The exhaust structure 20 includes a heat dissipation shroud 103 disposed at the top of the control cabinet body 10, a heat dissipation duct 201 disposed on the heat dissipation shroud 103, and a fan assembly disposed within the heat dissipation duct 201. The fan assembly includes a drive motor 203203 disposed outside the heat dissipation duct 201 and a fan assembly disposed within the heat dissipation duct. The first fan blade 2032 and the second fan blade 2033 are located within the duct 201. The output shaft 2031 of the drive motor 203203 passes through the cooling duct 201 and the first fan blade 2032 before connecting to the second fan blade 2033. The first fan blade 2032 is fixed inside the cooling duct 201, and its axis is collinear with the axis of the first heat sink. The first fan blade 2032 includes several spiral blades evenly distributed in a circular array. The second fan blade 2033 has the same structure as the first fan blade 2032 and is installed as a mirror image of the first fan blade 2032. In this design, a flow collector is installed at the top of the cabinet to guide the rising hot airflow to the cooling duct 201. The hot airflow is then discharged through the two heat sinks installed inside the cooling duct 201 by suction. One of the two sets of fan blades serves as the suction power source, while the other is used for rectification to ensure that the airflow direction is consistent with the axis of the cooling duct 201. It should be noted that the middle part of the first fan blade 2032 is rotatably engaged with the output shaft 2031 through a bearing, the edge of the first fan blade 2032 is fixed to the inner wall of the heat dissipation duct 201, and the second fan blade 2033 is fixed on the output shaft 2031 and rotates with the output shaft 2031.

[0025] Preferably, the heat dissipation duct 201 includes a vertical section and a horizontal section, which are connected by a bend. The two sets of fan blades of the fan assembly are located in the vertical section. The drive motor 203203 is located above the bend, and its output shaft 2031 passes through the bend and extends into the vertical section.

[0026] Preferably, the heat dissipation duct 201 is a metal pipe with a cylindrical body welded to its bend. The output shaft 2031 is disposed within the cylindrical body and supported by a bearing. In this embodiment, a vertical pipe 202 with a partition is welded to the bend, and the drive motor 203203 is disposed on the partition.

[0027] Preferably, the control cabinet body 10 has support legs 101 at its bottom and a vertical pipe 202 at its bottom, with an axial fan driven by a motor 1021 inside the vertical pipe 202. The axial fan at the bottom of the control cabinet provides room-temperature air upwards, thus creating a vertical airflow for heat dissipation within the cabinet, maximizing the removal of heat and ensuring the cabinet operates at a reasonable temperature.

[0028] Preferably, the control cabinet body 10 has an internal installation space, with the electromechanical equipment located in the middle of the installation space, creating air ducts on both sides of the installation space. The heat dissipation shroud 103 has guide slopes or guide arcs on both sides, and the exhaust structure 20 is located in the middle of the top side of the heat dissipation shroud 103. Electrical components are installed in the middle, while the two sides serve as stable air ducts for heat dissipation.

[0029] The title provided above provides a detailed description of the present utility model. Specific examples have been used to illustrate the principles and implementation methods of the present utility model. The description of the above embodiments is only for the purpose of helping to understand the present utility model and its core ideas. It should be noted that for those skilled in the art, several improvements and modifications can be made to the present utility model without departing from the principles of the present utility model, and these improvements and modifications also fall within the protection scope of the claims of the present utility model.

Claims

1. A heat dissipation enhancement device for a control cabinet in a centralized control room for electromechanical equipment, comprising a control cabinet body and a heat dissipation device disposed on the control cabinet body, the heat dissipation device comprising an air inlet channel disposed at the bottom of the control cabinet body and an exhaust structure disposed at the top of the control cabinet body, characterized in that, The exhaust structure includes a heat dissipation shroud on the top of the control cabinet body, a heat dissipation duct on the heat dissipation shroud, and a fan assembly inside the heat dissipation duct. The fan assembly includes a drive motor outside the heat dissipation duct and a first fan blade and a second fan blade inside the heat dissipation duct. The output shaft of the drive motor passes through the heat dissipation duct and through the first fan blade before connecting to the second fan blade. The first fan blade is fixed inside the heat dissipation duct and its axis is collinear with the axis of the first heat dissipation duct. The first fan blade includes several spiral blades evenly distributed in a circular array. The second fan blade has the same structure as the first fan blade and is installed as a mirror image of the first fan blade.

2. The enhanced heat dissipation device for the control cabinet in a centralized control room for electromechanical equipment according to claim 1, characterized in that, The cooling duct includes a vertical section and a horizontal section, which are connected by a bend. The two sets of fan blades of the fan assembly are located in the vertical section. The drive motor is located above the bend, and its output shaft passes through the bend and extends into the vertical section.

3. The enhanced heat dissipation device for the control cabinet in a centralized control room for electromechanical equipment according to claim 2, characterized in that, The cooling duct is a metal pipe with a cylindrical body welded to its bend. The output shaft is located inside the cylindrical body and supported by bearings.

4. The enhanced heat dissipation device for the control cabinet in a centralized control room for electromechanical equipment according to claim 1, characterized in that, The control cabinet body is equipped with support legs at the bottom and a vertical tube at the bottom, with an axial flow fan driven by a motor inside the vertical tube.

5. A heat dissipation enhancement device for control cabinets in a centralized control room for electromechanical equipment according to claim 1, characterized in that, The control cabinet has an internal installation space, and the electromechanical equipment is located in the middle of the installation space, which allows for air ducts on both sides of the installation space. The heat dissipation shroud has flow-guiding slopes or flow-guiding arcs on both sides, and the exhaust structure is located in the middle of the top side of the heat dissipation shroud.

Images