Outdoor electrical cabinet with diversion function

Abstract

The utility model discloses an outdoor electrical cabinet with a diversion function, which comprises a cabinet body, a plurality of air suction holes uniformly arranged on the periphery of the lower end of the cabinet body, an air ball assembled in the middle of the upper surface of the cabinet body, a cabinet door hinged on the front surface of the cabinet body, and a circle of hole protection bridge connected inside the lower end of the cabinet body. The hole protection bridge is of a hollow structure and covers the air suction holes, and a plurality of air holes are formed in the upper surface of the hole protection bridge at equal intervals. The wind ball is mounted at the top of the cabinet body, and any parallel air flow is accelerated and converted into vertical air flow from bottom to top according to the principle that the natural wind speed of the nature pushes the turbine of the wind ball to rotate and air convection inside and outside the cabinet body, so that the ventilation effect in the cabinet body is improved; when the air ball rotates, a certain amount of spiral suction force is formed, meanwhile, the air inlet is formed in the bottom of the cabinet body and used for sucking in external fresh air, vitiated air is discharged from the holes formed in the air ball, air flowing is facilitated, and therefore the ventilation efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the field of electrical cabinets for transformer substations, in particular to an outdoor electrical cabinet with a flow diversion function. Background Art

[0002] The passive heat dissipation cabinet in the prior art has the technical problem of poor heat dissipation effect, and the main reason for the poor heat dissipation is that the external wind direction is uncertain, and the external wind direction cannot always blow directly towards the heat dissipation part of the electrical cabinet. When the wind direction is not directly facing the heat dissipation part of the electrical cabinet, the heat dissipation effect of the electrical cabinet is very poor.

[0003] Chinese patent CN113038793B discloses an outdoor electrical cabinet with a diversion function. The electrical cabinet can guide the external wind, so that the external natural wind can enter the interior of the electrical cabinet from the lower end of the electrical cabinet, and then be discharged from the upper end of the opposite side of the electrical cabinet. The heat dissipation wind direction can fully comply with the law of natural heat dissipation. When the natural wind enters the interior of the electrical cabinet, it can flow from bottom to top and from one side to the other side, maximizing the heat dissipation effect, completely relying on the external natural wind to guide the heat dissipation airflow, having the advantages of safety and reliability, and having a certain waterproof function, especially suitable for outdoor use.

[0004] In the prior art, passive heat dissipation of electrical cabinets usually requires opening holes for air intake on the cabinet. In order to ensure natural air circulation, the holes are usually kept open, but this will cause rainwater to enter the cabinet through the holes, causing corrosion of electrical components inside the cabinet. Utility Model Content

[0005] To solve the above problems, the utility model adopts the following technical solutions.

[0006] An outdoor electrical cabinet with a diversion function comprises a cabinet body, a plurality of air intake holes are evenly arranged around the lower end of the cabinet body, a wind ball is centrally mounted on the upper surface of the cabinet body, a cabinet door is hinged on the front surface of the cabinet body, a circle of hole protection bridge frames are connected to the inside of the lower end of the cabinet body, the hole protection bridge frames are hollow structures and cover the air intake holes, a plurality of air holes are evenly arranged on the upper surface of the hole protection bridge frames, the cross section of the hole protection bridge frames is a right-angled triangle structure, the right-angled sides of the hole protection bridge frames are in contact with the inner wall of the cabinet body, the air holes are arranged on the bottom surface of the hole protection bridge frames, and the bottom of the air intake holes is aligned with the inclined top angle of the hole protection bridge frames.

[0007] L-shaped drainage grooves are provided on both sides of the lower end of the front surface of the cabinet, one end of the drainage groove is communicated with the inside of the hole protection bridge frame, and the other end of the drainage groove passes through the bottom surface of the cabinet.

[0008] A plurality of groups of tracks are symmetrically connected inside the cabinet, and the distances between the groups of tracks are unequal. A lap plate is slidably connected inside the same group of tracks, and a plurality of air holes are evenly opened on the lap plate, and the air holes adopt a conical structure.

[0009] A circular hole is opened at the center of the upper surface of the cabinet body, a bearing cylinder is connected outside the circular hole, and a wind ball is connected to the bearing cylinder, and a wind vane is connected in the center of the upper surface of the wind ball.

[0010] A hollow piece is integrally connected to the bottom of the bearing cylinder, and a short column is provided downwardly at the center of the hollow piece. A receiving plate is connected by the short column. The diameter of the receiving plate is larger than the diameter of the circular hole opened on the upper surface of the cabinet. A connecting pipe is horizontally inserted in the receiving plate. The outer end of the connecting pipe passes through the side of the cabinet and a filter is provided at the port of the connecting pipe.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) The present application installs a wind ball on the top of the cabinet, and utilizes the natural wind speed to drive the turbine of the wind ball to rotate and the principle of air convection inside and outside the cabinet to accelerate and transform any parallel air flow into vertical air flow from bottom to top, so as to improve the ventilation effect inside the cabinet. Furthermore, air outlet holes are evenly spaced on the hood. Since the electrical components in the cabinet generate heat, the temperature inside the cabinet is higher than the external natural environment. The pressure difference caused by the temperature difference between the inside and outside causes the wind ball to rotate. When the wind ball rotates, a certain amount of spiral suction is formed. At the same time, an air inlet is provided at the bottom of the cabinet to inhale fresh air from the outside. The dirty air is discharged from the holes on the wind ball, which helps air flow and thus improves ventilation efficiency.

[0013] (2) Furthermore, a hole protection bridge is provided at the lower end of the interior of the cabinet. The hole protection bridge covers the outside of the air intake hole for air circulation, so that when used outdoors, it can block rainwater entering the cabinet through the air intake hole, which can effectively prevent rainwater from accumulating in the cabinet and causing excessive humidity inside the cabinet to corrode electrical components. The hole protection bridge is a triangular structure with a hole at the top, so it will not affect the entry of outside air. At the same time, it can timely guide the rainwater entering the hole protection bridge to prevent rainwater from being retained in the hole protection bridge, thereby reducing the disadvantage of excessive humidity in the cabinet due to water evaporation caused by the high temperature inside the cabinet to a certain extent.

[0014] (3) Furthermore, drainage grooves are provided on both sides of the lower end of the front surface of the cabinet, one end of the drainage groove is connected to the inside of the hole protection bridge, and the other end passes through the bottom of the cabinet, so that when rainwater enters the hole protection bridge through the air intake hole, the rainwater can flow directly to the outside through the drainage groove, effectively preventing rainwater from staying in the cabinet for a long time. The above structure can ensure that the outside air enters the cabinet under the suction force generated by the rotation of the wind ball, thereby realizing passive heat dissipation inside the cabinet, and at the same time preventing rainwater from entering the cabinet through the holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1The overall structure of the electrical cabinet is shown in Figure 1. Figure 1 .

[0016] Figure 2 for Figure 1 A partial enlarged view of the hydrophobic structure at point A in the middle.

[0017] Figure 3 The overall structure of the electrical cabinet is shown in Figure 1. Figure 2 .

[0018] Figure 4 This is a diagram of the overall structure of the wind ball.

[0019] Figure 5 This is a cross-sectional view of the electrical cabinet.

[0020] The corresponding relationship between the various figure labels and component names in the figure is as follows:

[0021] 1. Cabinet body; 11. Guide groove; 2. Track; 21. Lap plate; 3. Wind ball; 31. Weather vane; 32. Bearing cylinder; 33. Receiver plate; 34. Connecting pipe; 4. Air intake hole; 5. Hole protection bridge; 51. Air hole; 6. Cabinet door. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0024] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments. The present invention provides the following embodiments.

[0025] See also Figure 1The three-dimensional structural schematic diagram of the outdoor electrical cabinet with a diversion function of this embodiment includes a cabinet body 1, and a plurality of air intake holes 4 are evenly opened around the lower end of the cabinet body 1, and a wind ball 3 is centrally mounted on the upper surface of the cabinet body 1. The wind ball 3 is rotatably installed on the upper surface of the cabinet body 1. When the cabinet body 1 is installed outdoors, the wind ball 3 is rotated by natural wind. When the wind ball 3 rotates, an attraction force is generated in the cabinet body 1 to bring out the heat inside the cabinet body 1. At the same time, since the hot air inside the cabinet body 1 is brought out, a pressure difference is generated in the cabinet body 1, so that the outside air enters the cabinet body 1 through the air intake holes 4, and a cabinet door 6 is hinged on the front surface of the cabinet body 1, and the cabinet door 6 is used to seal the cabinet body 1.

[0026] See also Figure 2 , since the air intake hole 4 is directly opened around the lower end of the cabinet 1, the interior of the cabinet 1 is connected to the outside world. In the outdoor environment, rainwater can easily enter the interior of the cabinet 1 through the air intake hole 4, causing the electrical components in the cabinet 1 to be corroded by moisture. Therefore, in this embodiment, a circle of hole protection bridge frame 5 is connected to the interior of the lower end of the cabinet 1, and the hole protection bridge frame 5 is a hollow structure and covers the air intake hole 4, thereby shielding the air intake hole 4. When rainwater enters through the air intake hole 4, it will only fall into the hole protection bridge frame 5 and be guided and discharged through the hole protection bridge frame 5. Furthermore, in order to prevent the hole protection bridge frame 5 from affecting the air flow, so that the cabinet 1 in this embodiment has a diversion effect, in this embodiment, a plurality of air holes 51 are equidistantly opened on the upper surface of the hole protection bridge frame 5. After the outside air enters the hole protection bridge frame 5 through the air intake hole 4, it enters the cabinet 1 through the air holes 51, and then the heat is discharged through the rotation of the wind ball 3, so that the entire cabinet 1 has the effect of diversion and heat dissipation. Furthermore, in order to make the air intake The rainwater entering the hole protection bridge 5 can be quickly discharged, reducing the retention time of rainwater in the hole protection bridge 5. In this embodiment, the cross-section of the hole protection bridge 5 is a right-angled triangle structure, and the right-angle side of the hole protection bridge 5 is in contact with the inner wall of the cabinet 1. The air hole 51 is opened on the bottom surface of the hole protection bridge 5, and the bottom of the air intake hole 4 is aligned with the top angle of the inclined surface of the hole protection bridge 5, so that a 90° angle is formed between the air hole 51 and the air intake hole 4, and it is not easy for rainwater to enter the hole protection bridge 5 through the air intake hole 4. Then it splashes into the cabinet 1 from the air hole 51, and the rainwater can quickly gather in the hole protection bridge 5 without condensing on the inside of the hole protection bridge 5 and causing long-term retention. At the same time, L-shaped drainage grooves 11 are opened on both sides of the lower end of the front surface of the cabinet 1, one end of the drainage groove 11 is connected to the inside of the hole protection bridge 5, and the other end of the drainage groove 11 passes through the bottom surface of the cabinet 1, so that the rainwater gathered in the hole protection bridge 5 directly flows to the outside through the drainage groove 11, thereby realizing the functions of water blocking, water drainage and drainage.

[0027] Combination Figure 1 , Figure 2 as well as Figure 3A wind ball 3 is installed on the top of the cabinet. The natural wind speed is used to drive the turbine of the wind ball 3 to rotate and the principle of air convection inside and outside the cabinet is used to accelerate and transform the air flow in any parallel direction into a vertical air flow from bottom to top. An air suction hole 4 is set at the bottom of the cabinet. When the wind ball 3 rotates, a certain amount of spiral suction is formed to discharge the hot air in the cabinet. Due to the loss of part of the air in the cabinet 1, a pressure difference is formed, so that the external cold air enters the cabinet 1 through the air suction hole 4 and moves upward, carrying the heat in the cabinet 1 during the air flow process. The cabinet body 1 is provided with a hole-protecting bridge frame 5 at the lower inner end thereof, and the hole-protecting bridge frame 5 covers the air intake hole 4 for air circulation, so as to block rainwater entering the cabinet body through the air intake hole 4 when used outdoors, and can effectively prevent rainwater from gathering in the cabinet body 1 and causing excessive humidity inside the cabinet body to corrode electrical components. The hole-protecting bridge frame 5 is a triangular structure with a hole at the top thereof, so as not to affect the entry of outside air, and at the same time can timely guide the rainwater entering the hole-protecting bridge frame 5.

[0028] See also Figure 1 and Figure 5 In order to facilitate the installation of electrical components in the cabinet 1, the present embodiment has multiple groups of tracks 2 symmetrically connected inside the cabinet 1, and the distances between the multiple groups of tracks 2 are unequal. A lap plate 21 is slidably connected in the same group of tracks 2. The lap plate 21 can be connected to tracks 2 of different heights to form cavities of unequal heights, thereby facilitating the installation of electrical components of different volumes. The electrical components can be lifted by the lap plate 21 so that the electrical components are not in contact with the bottom of the cabinet 1, thereby improving the dryness of the electrical components to a certain extent. Even if some moisture is formed in the cabinet 1, the electrical components can also evaporate using their own heat. Since a structure with an air guiding function is formed on the cabinet 1 through the wind ball 3 and the air intake hole 4, in order to make the flowing air flow smoothly from the bottom of the cabinet 1 upward and to take away the heat generated by the electrical components during the flow, the present embodiment has multiple air holes evenly opened on the lap plate 21, and the air holes adopt a conical structure to facilitate air circulation.

[0029] See also Figure 4 and Figure 5A circular hole is opened at the center of the upper surface of the cabinet 1, and a bearing cylinder 32 is connected outside the circular hole, and the wind ball 3 is connected to the bearing cylinder 32. The wind ball 3 can rotate through the bearing cylinder 32 on the one hand, and the wind ball 3 is connected to the circular hole on the upper surface of the cabinet 1 on the other hand. A wind vane 31 is connected in the center of the upper surface of the wind ball 3, which can increase the rotation of the wind ball 3 by natural wind to a certain extent, so that the wind ball 3 can generate greater suction. Further, in order to prevent rainwater from entering the interior of the cabinet 1 through the wind ball 3, a hollow piece is integrally connected to the bottom of the bearing cylinder 32 in this embodiment, and a hollow piece is downwardly extended at the center of the hollow piece. A short column is provided, and a receiving plate 33 is connected with the short column. The receiving plate 33 can receive rainwater entering through the wind ball 3. The diameter of the receiving plate 33 is larger than the diameter of the circular hole opened on the upper surface of the cabinet 1, thereby effectively preventing rainwater from splashing and falling on the electrical components of the cabinet 1. A small amount of rainwater can evaporate under the action of air flow and heat inside the cabinet 1. In heavy rain weather, rainwater falling on the receiving plate 33 can be horizontally inserted into a connecting pipe 34 in the receiving plate 33. The outer end of the connecting pipe 34 passes through the side of the cabinet 1 and a filter is provided at the port of the connecting pipe 34. The rainwater is discharged through the connecting pipe 34, and the filter can prevent dust from entering.

[0030] The above content is a further detailed description of the utility model in combination with specific implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, they can also make several simple deductions or substitutions, which should be regarded as belonging to the scope of protection determined by the claims submitted for the utility model.

Claims

1. An outdoor electrical cabinet with a diversion function, comprising a cabinet body (1), a plurality of air intake holes (4) are evenly arranged around the lower end of the cabinet body (1), and a wind ball (3) is centrally mounted on the upper surface of the cabinet body (1). Features: A circle of hole protection bridge (5) is connected to the inside of the lower end of the cabinet (1), and the hole protection bridge (5) is a hollow structure and covers the air intake hole (4). A plurality of air holes (51) are equidistantly provided on the upper surface of the hole protection bridge (5). The cross section of the hole protection bridge (5) is a right-angled triangle structure. The right-angled side of the hole protection bridge (5) is in contact with the inner wall of the cabinet (1). The air holes (51) are provided on the bottom surface of the hole protection bridge (5), and the bottom of the air intake hole (4) is aligned with the top angle of the inclined surface of the hole protection bridge (5).

2. The outdoor electrical cabinet with flow diversion function according to claim 1, characterized in that: L-shaped drainage grooves (11) are provided on both sides of the lower end of the front surface of the cabinet (1), one end of the drainage groove (11) is connected to the inside of the hole protection bridge (5), and the other end of the drainage groove (11) passes through the bottom surface of the cabinet (1).

3. The outdoor electrical cabinet with flow diversion function according to claim 1, characterized in that: A plurality of groups of tracks (2) are symmetrically connected inside the cabinet (1), and the distances between the groups of tracks (2) are unequal. A lap plate (21) is slidably connected inside the same group of tracks (2), and a plurality of air holes are evenly opened on the lap plate (21), and the air holes have a conical structure.

4. The outdoor electrical cabinet with flow diversion function according to claim 1, characterized in that: A circular hole is opened at the center of the upper surface of the cabinet (1), a bearing cylinder (32) is connected to the outside of the circular hole, and the wind ball (3) is connected to the bearing cylinder (32), and a wind vane (31) is connected in the center of the upper surface of the wind ball (3).

5. The outdoor electrical cabinet with flow diversion function according to claim 4, characterized in that: A hollow sheet is integrally connected to the bottom of the bearing cylinder (32), a short column is provided downwardly at the center of the hollow sheet, a receiving plate (33) is connected by the short column, the receiving plate (33) has a diameter larger than the diameter of the circular hole opened on the upper surface of the cabinet (1), a connecting pipe (34) is horizontally inserted in the receiving plate (33), the outer end of the connecting pipe (34) passes through the side of the cabinet (1), and a filter is provided at the end of the connecting pipe (34).

6. The outdoor electrical cabinet with flow diversion function according to claim 1, characterized in that: A cabinet door (6) is hingedly connected to the front surface of the cabinet body (1).

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