Air-cooled switching power supply

Abstract

The utility model discloses an air-cooled switching power supply, which comprises a switching power supply main body, the switching power supply main body comprises a casing, the surface of the casing is equidistantly provided with a plurality of circular ventilation openings, the side end of the casing is equidistantly provided with three input fans, and the side end of the casing is equidistantly provided with a plurality of second guide columns. A shell is arranged at the side end of the machine shell, a second bolt is arranged at the end, away from the machine shell, of the shell, a plurality of second heat dissipation openings are formed in the end, away from the machine shell, of the shell at equal intervals, a plurality of first plugs are installed at the end, facing the input fan, of the machine shell, and sockets connected with the first plugs are installed in the input fan. The efficiency of external air entering the switching power supply is improved through the input fans, the cooling efficiency of the switching power supply is improved, and the input fans are in sliding connection with the second guide columns, so that a user can change the number of the installed input fans according to requirements to adjust the heat dissipation efficiency, and the purchase cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of switching power supplies, and particularly relates to an air-cooled switching power supply. Background Art

[0002] A switching mode power supply, also known as a switched-mode power supply or a switching converter, is a high-frequency power conversion device and a type of power supply.

[0003] Patent application number "CN202220894950.3", patent name "An air-cooled switching power supply", includes a housing, a PCBA, an input terminal, and an output terminal. The PCBA is installed in the lower part of the housing. The lower part of the housing includes an air inlet, the upper cover of the housing includes an air outlet, the upper part of one end of the housing includes an insertion port for a drawer-type fan, and the upper part of the inner wall of the housing side plate includes a slideway for the drawer-type fan. The fan can be inserted or removed according to the power requirement, facilitating the switching between automatic heat dissipation and forced heat dissipation; when forced heat dissipation is not required, no fan is equipped, and the purchase cost is relatively low; when forced heat dissipation is required, the fan can be conveniently installed.

[0004] During use, the switching power supply dissipates heat through the fan on its upper part. The air circulation in the switching power supply is restricted by the fan, resulting in the inability to improve the heat dissipation efficiency of the switching power supply and adjust it according to requirements. Content of the Utility Model

[0005] The purpose of the utility model is to provide an air-cooled switching power supply, which can improve the heat dissipation efficiency of the switching power supply and can adjust the heat dissipation efficiency of the switching power supply according to usage requirements or usage costs.

[0006] To achieve the above purpose, an air-cooled switching power supply is provided, which includes a switching power supply main body. The switching power supply main body includes a casing, and the casing is located at the outer side end of the switching power supply main body. A plurality of circular ventilation openings are equidistantly arranged on the surface of the casing. Three input fans are equidistantly arranged on the side end of the casing. A plurality of second guiding columns are equidistantly arranged on the side end of the casing, and the second guiding columns penetrate through the input fans and are slidably connected with the input fans. An outer casing is arranged on the side end of the casing, and one end of the outer casing facing the casing is provided with an opening. The input fans are located in the outer casing. A second bolt is arranged at the end of the outer casing away from the casing, and the second bolt penetrates through the outer casing. The second bolt extends to the middle of the second guiding column, and the second bolt is threadedly connected with the second guiding column. A plurality of second heat dissipation openings are equidistantly arranged at the end of the outer casing away from the casing, and the second heat dissipation openings are communicated with the input fans. A plurality of first plugs are installed at the end of the casing facing the input fans, and sockets connected to the first plugs are installed in the input fans. It can improve the heat dissipation efficiency of the switching power supply and can adjust the heat dissipation efficiency of the switching power supply according to usage requirements or usage costs.

[0007] According to the described air-cooled switching power supply, a protective frame is fixedly connected to the upper end of the chassis. An output fan is provided in the protective frame, and the output fan is slidably connected to the inner wall of the protective frame. The upper end of the output fan is in the same plane as the upper end of the protective frame. A first guiding column is fixedly connected to the upper end of the chassis, and the first guiding column penetrates through the output fan and is slidably connected to the output fan. A second plug is fixedly connected to the upper end of the chassis, and a socket connected to the second plug is installed in the output fan. A top cover is provided at the upper end of the protective frame. A plurality of first bolts are installed at the upper end of the top cover, and the first bolts penetrate downward through the top cover and extend into the first guiding column. The top cover is fixedly connected to the protective frame through the first bolts. A first heat dissipation opening is provided in the middle of the top cover, and the first heat dissipation opening is communicated with the output fan. It is used to discharge the hot air in the switching power supply upward, so that the low-temperature air in the outside world enters the switching power supply to dissipate heat for it.

[0008] According to the described air-cooled switching power supply, a U-shaped support frame is slidably connected to the inner wall of the outer shell, and the opening of the support frame faces upward. One end of the support frame is fixedly connected to the chassis, and the input fan is located in the support frame and is slidably connected to the bottom of the support frame. It is used to support the input fan and improve the stability of the input fan in the switching power supply.

[0009] According to the described air-cooled switching power supply, sliding grooves are symmetrically provided at both side ends of the support frame, and the sliding grooves penetrate through the support frame. A slide rail is fixedly connected to the inner wall of the outer shell, and the slide rail is located in the sliding groove and is slidably connected to the side wall of the sliding groove. It is used to play a guiding role and prevent the outer shell from shaking.

[0010] According to the described air-cooled switching power supply, the width of the support frame is the same as the thickness of the input fan. A rubber pad is fixedly connected to the inner wall of the outer shell, and the rubber pad is away from the opening of the support frame. It prevents the input fan from shaking in the outer shell and improves the fixing effect on the input fan.

[0011] According to the described air-cooled switching power supply, the protective frame, the top cover and the outer shell are made of metal materials. It improves the structural strength and the protection effect on the fan.

[0012] According to the described air-cooled switching power supply, sealing caps are sleeved on the outer sides of those first plugs that are not connected to the sockets of the input fan among a plurality of the first plugs.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: The efficiency of the outside air entering the switching power supply is improved through the input fan, the cooling efficiency of the switching power supply is enhanced, and the sliding connection between the input fan and the second guiding column enables the user to adjust the heat dissipation efficiency by changing the number of installed input fans according to needs, reducing the purchase cost.

[0014] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the present utility model. Brief Description of the Drawings

[0015] The present utility model will be further described below in conjunction with the drawings and embodiments;

[0016] Figure 1 Is a perspective view of the first perspective of an air-cooled switching power supply of the present utility model;

[0017] Figure 2 Is a perspective view of the second perspective of an air-cooled switching power supply of the present utility model;

[0018] Figure 3 Is a perspective view of the second perspective of an air-cooled switching power supply of the present utility model after removing the top cover and the housing;

[0019] Figure 4 Is a perspective view of the switching power supply main body of an air-cooled switching power supply of the present utility model;

[0020] Figure 5 Is a perspective view of the housing of an air-cooled switching power supply of the present utility model.

[0021] In the figure: 1. Top cover; 2. Protection frame; 3. Machine shell; 4. Switching power supply main body; 5. First bolt; 6. First heat dissipation port; 7. Housing; 8. Second bolt; 9. First guide post; 10. Input fan; 11. Second guide post; 12. Support frame; 13. Slide groove; 14. Output fan; 15. First plug; 16. Ventilation port; 17. Second plug; 18. Second heat dissipation port; 19. Slide rail. Detailed Description of the Preferred Embodiments

[0022] The technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1-5, the present utility model provides a technical solution: an air-cooled switching power supply, which includes a switching power supply main body 4. The switching power supply main body 4 includes a machine shell 3, and the machine shell 3 is located at the outer end of the switching power supply main body 4. A protective frame 2 is fixedly connected to the upper end of the machine shell 3. An output fan 14 is provided in the protective frame 2, and the output fan 14 is slidably connected to the inner wall of the protective frame 2. The upper end of the output fan 14 is in the same plane as the upper end of the protective frame 2. A first guiding column 9 is fixedly connected to the upper end of the machine shell 3, and the first guiding column 9 penetrates through the output fan 14 and is slidably connected to the output fan 14. A second plug 17 is fixedly connected to the upper end of the machine shell 3, and a socket connected to the second plug 17 is installed in the output fan 14. A top cover 1 is provided at the upper end of the protective frame 2. A plurality of first bolts 5 are installed at the upper end of the top cover 1, and the first bolts 5 penetrate downward through the top cover 1 and extend into the first guiding column 9. The top cover 1 is fixedly connected to the protective frame 2 through the first bolts 5. A first heat dissipation port 6 is provided in the middle of the top cover 1, and the first heat dissipation port 6 is communicated with the output fan 14, which is used to discharge the hot air in the switching power supply upward, so that the low-temperature air from the outside enters the switching power supply to dissipate heat. A plurality of circular ventilation openings 16 are equidistantly arranged on the surface of the machine shell 3. Three input fans 10 are equidistantly arranged on the side end of the machine shell 3. A plurality of second guiding columns 11 are equidistantly arranged on the side end of the machine shell 3, and the second guiding columns 11 penetrate through the input fans 10 and are slidably connected to the input fans 10. An outer shell 7 is provided at the side end of the machine shell 3, and an opening is provided at one end of the outer shell 7 facing the machine shell 3. The protective frame 2, the top cover 1 and the outer shell 7 are made of metal materials to improve the structural strength and the protection effect on the fans. The input fans 10 are located in the outer shell 7. A U-shaped support frame 12 is slidably connected to the inner wall of the outer shell 7, and the opening of the support frame 12 faces upward. One end of the support frame 12 is fixedly connected to the machine shell 3, and the input fans 10 are located in the support frame 12 and are slidably connected to the bottom of the support frame 12, which is used to support the input fans 10 and improve the stability of the input fans 10 in the switching power supply. Sliding grooves 13 are symmetrically arranged at both side ends of the support frame 12, and the sliding grooves 13 penetrate through the support frame 12. A slide rail 19 is fixedly connected to the inner wall of the outer shell 7, and the slide rail 19 is located in the sliding grooves 13 and is slidably connected to the side wall of the sliding grooves 13, which is used to play a guiding role to prevent the outer shell 7 from shaking. The width of the support frame 12 is the same as the thickness of the input fan 10. A rubber pad is fixedly connected to the inner wall of the outer shell 7, and the rubber pad is far away from the opening of the support frame 12 to prevent the input fans 10 from shaking in the outer shell 7 and improve the fixing effect on the input fans 10.One end of the outer shell 7 away from the chassis 3 is provided with a second bolt 8, and the second bolt 8 penetrates through the outer shell 7. The second bolt 8 extends to the middle of the second guide post 11, and the second bolt 8 is threadedly connected to the second guide post 11. A plurality of second heat dissipation openings 18 are equidistantly arranged at one end of the outer shell 7 away from the chassis 3, and the second heat dissipation openings 18 are communicated with the input fan 10. A plurality of first plugs 15 are installed at one end of the chassis 3 facing the input fan 10, and a socket connected to the first plug 15 is installed in the input fan 10. Sealing caps are sleeved on the outer ends of the plurality of first plugs 15 that are not connected to the socket of the input fan 10.

[0024] Working principle: During use, the input fan 10 conveys the low-temperature air from the outside to the switching power supply, and the output fan 14 discharges the hot air in the switching power supply to the outside. Remove the outer shell 7 by unscrewing the second bolt 8, place the input fan 10 into the support frame 12, insert the second guide post 11 into the input fan 10, insert the first plug 15 into the socket of the input fan 10, change the number of installed input fans 10 according to requirements. After the input fan 10 is installed, put the outer shell 7 on the outer end of the support frame 12, and the slide rail 19 enters the chute 13. Finally, use the second bolt 8 to fix the outer shell 7 on the second guide post 11.

[0025] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the purpose of the present invention.

Claims

1. An air-cooled switching power supply, comprising a switching power supply main body (4), characterized in that, The main body (4) of the switching power supply includes a machine case (3), and the machine case (3) is located at the outer end of the main body (4) of the switching power supply. A number of circular ventilation openings (16) are equidistantly arranged on the surface of the machine case (3). Three input fans (10) are equidistantly arranged at the side end of the machine case (3). A number of second guiding columns (11) are equidistantly arranged at the side end of the machine case (3), and the second guiding columns (11) penetrate through the input fans (10) and are slidably connected with the input fans (10). A housing (7) is arranged at the side end of the machine case (3), and one end of the housing (7) facing the machine case (3) is provided with an opening. The input fans (10) are located in the housing (7). A second bolt (8) is arranged at the end of the housing (7) away from the machine case (3), and the second bolt (8) penetrates through the housing (7). The second bolt (8) extends to the middle of the second guiding column (11), and the second bolt (8) is threadedly connected with the second guiding column (11). A number of second heat dissipation openings (18) are equidistantly arranged at the end of the housing (7) away from the machine case (3), and the second heat dissipation openings (18) are communicated with the input fans (10). A number of first plugs (15) are installed at the end of the machine case (3) facing the input fans (10), and sockets connected with the first plugs (15) are installed in the input fans (10).

2. The air-cooled switching power supply according to claim 1, wherein: A protection frame (2) is fixedly connected to the upper end of the machine case (3). An output fan (14) is arranged in the protection frame (2), and the output fan (14) is slidably connected with the inner wall of the protection frame (2). The upper end of the output fan (14) is in the same plane as the upper end of the protection frame (2). A first guiding column (9) is fixedly connected to the upper end of the machine case (3), and the first guiding column (9) penetrates through the output fan (14) and is slidably connected with the output fan (14). A second plug (17) is fixedly connected to the upper end of the machine case (3), and sockets connected with the second plugs (17) are installed in the output fans (14). A top cover (1) is arranged at the upper end of the protection frame (2). A number of first bolts (5) are installed at the upper end of the top cover (1), and the first bolts (5) penetrate downward through the top cover (1) and extend into the first guiding column (9). The top cover (1) is fixedly connected with the protection frame (2) through the first bolts (5). A first heat dissipation opening (6) is arranged in the middle of the top cover (1), and the first heat dissipation opening (6) is communicated with the output fan (14).

3. An air-cooled switching power supply according to claim 1, characterized in that: A U-shaped support frame (12) is slidably connected to the inner wall of the housing (7), and the opening of the support frame (12) faces upward. One end of the support frame (12) is fixedly connected with the machine case (3), and the input fans (10) are located in the support frame (12) and are slidably connected with the bottom of the support frame (12).

4. The air-cooled switching power supply according to claim 3, characterized in that: Sliding grooves (13) are symmetrically arranged at both side ends of the support frame (12), and the sliding grooves (13) penetrate through the support frame (12). A sliding rail (19) is fixedly connected to the inner wall of the housing (7), and the sliding rail (19) is located in the sliding groove (13) and is slidably connected with the side wall of the sliding groove (13).

5. The air-cooled switching power supply according to claim 3, wherein: The width of the support frame (12) is the same as the thickness of the input fan (10), and a rubber pad is fixedly connected to the inner wall of the housing (7), and the rubber pad is away from the opening of the support frame (12).

6. The air-cooled switching power supply according to claim 2, wherein: The protection frame (2), the top cover (1) and the housing (7) are made of metal.

7. An air-cooled switching power supply according to claim 1, characterized in that: Sealing caps are sleeved on the outer ends of some of the first plugs (15) that are not connected to the sockets of the input fan (10).

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