Radiating and ventilating structure of frequency conversion cabinet
By vertically installing partitions on the left and right sides of the frequency converter cabinet and setting heat dissipation components, combined with the spring snap design, the problem of dust accumulation and inconvenient replacement and maintenance of the cooling fan is solved, and good heat dissipation and ventilation effect and convenient maintenance are achieved.
Patent Information
- Application Number
- CN202421146383.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-24
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-05-24
AI Technical Summary
The cooling fan of the existing frequency converter cabinet is installed on the top of the cabinet, causing dust to accumulate on the dustproof net, blocking the heat dissipation port, reducing the heat dissipation effect. At the same time, the fixed installation of the heat dissipation fan is not convenient for replacement and maintenance.
A heat dissipation and ventilation structure of the frequency converter cabinet is designed. By vertically installing partitions on the left and right sides of the cabinet body and setting heat dissipation components on the outside of the partition, the connection or separation of the heat dissipation components is achieved by using spring snaps to facilitate replacement and maintenance. Keep the inside and outside of the cabinet ventilated.
It effectively reduces dust entering the inside of the cabinet, saves cleaning work, maintains ventilation inside and outside the cabinet, and simplifies the disassembly and assembly and maintenance process of the heat dissipation and installation of the heat dissipation components.
Smart Images

Figure CN222485162U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of heat dissipation of frequency conversion cabinets, in particular to a heat dissipation and ventilation structure of a frequency conversion cabinet. Background Art
[0002] Frequency conversion cabinet, ordinary power cabinet or control cabinet changes from traditional drag mode to frequency conversion drag mode. In short: the control cabinet of the power device is driven by the frequency converter.
[0003] However, a number of components are installed in the existing frequency conversion cabinet, and a large amount of heat will be generated in the cabinet during operation. If the heat is not dissipated in time, it will cause component failure. Therefore, in order to reduce the damage to the components caused by high temperature, some technologies have proposed related heat dissipation structures to assist the use of frequency conversion cabinets. For example, there is a utility model patent with a publication number of CN220441138U, which proposes a water supply pump frequency conversion cabinet for a heating system. The components in the frequency conversion cabinet are cooled by water cooling and air cooling, the heat dissipation effect of the components is improved, and the components are prevented from malfunctioning due to overheating and needing frequent maintenance, thereby increasing the service life of the components.
[0004] From the above disclosed technical content, theoretically speaking, the implementation of the relevant technical structure is conducive to the heat dissipation in the frequency conversion cabinet body, but according to the description in the above disclosed technical content, the cooling fan is installed on the top of the frequency conversion cabinet body, and the dustproof net is also installed on the top of the frequency conversion cabinet body and is located below the cooling fan. At this time, the dust in the air will fall onto the dustproof net through the cooling fan. As the amount of dust falling on the dustproof net continues to increase, the area covered by the dust on the dustproof net will also increase accordingly, until the heat dissipation port on the dustproof net is blocked by dust. At this time, the airflow generated by the cooling fan is not convenient to blow from the blocked heat dissipation port to the inside of the frequency conversion cabinet body, thereby reducing the effect of the cooling fan on the air-cooled heat dissipation in the frequency conversion cabinet body. In addition, the cooling fan is fixedly installed on the top of the frequency conversion cabinet body. At this time, it is inconvenient for the staff to clean the dust on the dustproof net, and it is also not convenient to replace and repair the cooling fan after a long period of use. Utility Model Content
[0005] In view of the deficiencies in the prior art, the utility model provides a heat dissipation and ventilation structure for a frequency converter cabinet, which has the advantages of reducing dust falling into the interior of the frequency converter cabinet, saving the staff the work of cleaning the dust inside the frequency converter cabinet, and maintaining ventilation inside and outside the frequency converter cabinet, thereby solving the problems raised in the above-mentioned background technology.
[0006] The utility model provides the following technical solutions: a heat dissipation and ventilation structure of a frequency conversion cabinet, comprising a cabinet body, a water tank fixedly installed on the back of the cabinet body, rectangular frames movably installed on the left and right sides of the cabinet body, grilles movably hinged on the inner wall of the rectangular frame, partitions located above the rectangular frame fixedly sleeved on the left and right sides of the cabinet body, a heat dissipation component for accelerating air flow is arranged on the outer side of the partition, a protective cover located outside the cabinet body is sleeved on the outer wall of the heat dissipation component, fixing blocks are fixedly installed on the front and rear sides of the protective cover, and a spring buckle for connecting the cabinet body is arranged on the inner wall of the fixing block away from the protective cover.
[0007] Preferably, the front of the cabinet is hinged with a cabinet door via a hinge, the left and right sides of the inner wall of the cabinet are connected with vertical rods via bolts, the upper end faces of the vertical rods are bolted with horizontal plates, and the upper ends of the left and right sides of the cabinet are fixedly installed with locking blocks, and the inner wall of the locking block is movably engaged with the outer wall of the fixed block, and the inner wall of the outer side of the locking block is movably sleeved with the outer wall of the spring buckle.
[0008] Preferably, a water pump is fixedly mounted on the upper end surface of the water tank, a water filling pipe located on the right side of the water pump is fixedly connected to the upper end surface of the water tank, a visual window is provided on the back side of the water tank, and a drain pipe is fixedly mounted on the lower end of the left side of the water tank.
[0009] Preferably, a mounting block is fixedly mounted on the outer wall of the rectangular frame, a fastening bolt is threadedly sleeved on the inner wall of the mounting block, and the outer wall of the inner end of the fastening bolt is threadedly sleeved on the inner wall of the cabinet.
[0010] Preferably, the heat dissipation component comprises a rotating shaft, an outer wall of the rotating shaft is fixedly sleeved with a collar, and an outer wall of the collar is fixedly mounted with a fan blade.
[0011] Preferably, a chassis is fixedly installed on the inner wall of the protective cover, a rotating motor is fixedly sleeved on the inner wall of the chassis, and a reducer is arranged on the output shaft of the rotating motor, the output shaft of the rotating motor is fixedly connected to the outer end of the rotating shaft, and limiting rings are fixedly installed on the upper and lower sides of the protective cover, a threaded rod is movably sleeved on the inner wall of the limiting ring, and a nut located on the outside of the limiting ring is threadedly sleeved on the outer wall of the threaded rod.
[0012] Preferably, a water outlet pipe is fixedly installed on the upper end of the water pump, and the end of the water outlet pipe away from the water pump is fixedly connected to a connecting pipe located inside the cabinet, and the back of the connecting pipe is fixedly connected to the inner wall of the cabinet, a water inlet pipe is fixedly installed on the right side of the water outlet pipe, and the end of the water inlet pipe away from the water pump extends to the bottom surface of the water tank, and a water guide pipe located behind the cabinet is fixedly installed at the rear end of the connecting pipe, and the end of the water guide pipe away from the connecting pipe extends to the interior of the water tank.
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] The utility model realizes the coordination among the cabinet, the heat dissipation components, the partitions and the partitions, and adopts the method of vertically installing the partitions on the left and right sides of the cabinet, thereby effectively solving the problem of dust accumulation on the dustproof net caused by the dustproof net being horizontally installed on the top of the frequency conversion cabinet in the above-mentioned public technical content. It not only reduces the work of dust cleaning for the staff, but also maintains the flow state of the air inside and outside the cabinet, and maintains the effect of continuous ventilation inside and outside the cabinet.
[0015] The utility model realizes the connection or separation of the heat dissipation component and the cabinet through the coordination among the cabinet, the spring buckle, the heat dissipation component and the partition, utilizing the setting of the spring buckle, effectively solves the problem of replacement and maintenance of the heat dissipation component, simplifies the disassembly and assembly steps of the heat dissipation component by changing the connection mode between the spring buckle and the engaging block, and also facilitates the staff to clean the dust on the partition, thereby preventing the partition from being blocked by dust. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the structure of the utility model;
[0017] Figure 2 It is a rear view of the viewing window of the utility model;
[0018] Figure 3 It is a side view of the cabinet of the utility model;
[0019] Figure 4 It is a side view of the partition of the utility model;
[0020] Figure 5 It is a rear view of the water storage tank of the utility model;
[0021] Figure 6 It is a side view of the grille of the utility model;
[0022] Figure 7 It is a cross-sectional view of the spring buckle of the utility model.
[0023] In the figure: 1. cabinet; 2. water storage tank; 3. rectangular frame; 4. grille; 5. partition; 6. heat dissipation component; 601. shaft; 602. collar; 603. fan blade; 7. protective cover; 8. spring buckle; 9. cabinet door; 10. vertical rod; 11. horizontal plate; 12. snap block; 13. mounting block; 14. fastening bolt; 15. water pump; 16. water supply pipe; 17. viewing window; 18. drain pipe; 19. rotating motor; 20. chassis; 21. limit ring; 22. threaded rod; 23. nut; 24. water inlet pipe; 25. water outlet pipe; 26. connecting pipe; 27. water guide pipe; 28. fixing block. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] See also Figure 1 , Figure 2 and Figure 3 The heat dissipation and ventilation structure of the frequency conversion cabinet includes a cabinet body 1, a water storage tank 2 is fixedly installed on the back of the cabinet body 1, and the water storage tank 2 is set to provide a container for storing cooling water. A rectangular frame 3 is movably installed on the left and right sides of the cabinet body 1, and the rectangular frame 3 is set to provide support and platform for the installation of a grille 4. The inner wall of the rectangular frame 3 is movably hinged with a grille 4. The hinged connection method facilitates the adjustment of the use angle of the grille 4, so that the grille 4 can be movable in the rectangular frame 3. The left and right sides of the cabinet body 1 are fixedly sleeved with a partition 5 located above the rectangular frame 3. The installation of the partition 5 prevents dust in the air from entering the cabinet body 1 is a partition inside the cabinet body 1. The outer side of the partition 5 is provided with a heat dissipation component 6 for accelerating the air flow. The setting of the heat dissipation component 6 accelerates the air flow speed inside the cabinet body 1, thereby achieving air-cooling and heat dissipation in the cabinet body 1. The outer wall of the heat dissipation component 6 is sleeved with a protective cover 7 located outside the cabinet body 1. The protective cover 7 protects the heat dissipation component 6. The front and rear sides of the protective cover 7 are fixedly installed with fixed blocks 28. The setting of the fixed block 28 provides space for the installation and activity of the spring buckle 8. The inner wall of the fixed block 28 away from the protective cover 7 is provided with a spring buckle 8 for connecting to the cabinet body 1.
[0026] The front of the cabinet 1 is hinged with a cabinet door 9 by a hinge. The hinge connection mode makes it convenient for the staff to open or close the cabinet door 9. The left and right sides of the inner wall of the cabinet 1 are connected with vertical rods 10 by bolts. The setting of the vertical rods 10 serves to connect the horizontal plate 11 with the cabinet 1. The upper end surface of the vertical rods 10 is bolted to the horizontal plate 11. The upper ends of the left and right sides of the cabinet 1 are fixedly installed with snap-fit blocks 12, and the inner wall of the snap-fit block 12 is movably snap-fitted with the outer wall of the fixed block 28, and the inner wall of the outer side of the snap-fit block 12 is movably sleeved with the outer wall of the spring buckle 8. By changing the connection mode between the spring buckle 8 and the snap-fit block 12, it is convenient to install the fixed block 28 inside the snap-fit block 12, or to separate the fixed block 28 from the snap-fit block 12.
[0027] A water pump 15 is fixedly installed on the upper end surface of the water tank 2. The water pump 15 is arranged to provide power for the movement of water flow inside the water tank 2. A water adding pipe 16 is fixedly connected to the upper end surface of the water tank 2 and is located on the right side of the water pump 15. The water adding pipe 16 is installed to provide a channel for adding cooling water to the inside of the water tank 2. A visual window 17 is arranged on the back side of the water tank 2. The arrangement of the visual window 17 facilitates the staff to observe the water capacity inside the water tank 2. A drain pipe 18 is fixedly installed on the lower end of the left side of the water tank 2. The installation of the drain pipe 18 can discharge the water inside the water tank 2, which is convenient for replacing the water inside the water tank 2.
[0028] See also Figure 6 and Figure 7 A mounting block 13 is fixedly mounted on the outer wall of the rectangular frame 3, and a fastening bolt 14 is threadedly sleeved on the inner wall of the mounting block 13. The fastening bolt 14 serves to connect the mounting block 13 with the cabinet 1, and the outer wall of the inner end of the fastening bolt 14 is threadedly sleeved with the inner wall of the cabinet 1.
[0029] The heat dissipation component 6 includes a rotating shaft 601, and a ring 602 is fixedly sleeved on the outer wall of the rotating shaft 601. The setting of the ring 602 serves to connect the fan blade 603 with the rotating shaft 601. The fan blade 603 is fixedly installed on the outer wall of the ring 602. The rotation of the fan blade 603 accelerates the flow of air in the cabinet 1, thereby achieving the heat dissipation effect of air cooling in the cabinet 1.
[0030] See also Figure 7 , Figure 5 and Figure 4 The inner wall of the protective cover 7 is fixedly installed with a chassis 20, and the inner wall of the chassis 20 is fixedly sleeved with a rotating motor 19, which provides power for the rotation of the rotating shaft 601, and a reducer is arranged on the output shaft of the rotating motor 19, and the setting of the reducer plays a role in adjusting the speed of the output shaft of the rotating motor 19, and the output shaft of the rotating motor 19 is fixedly connected to the outer end of the rotating shaft 601. Limiting rings 21 are fixedly installed on the upper and lower sides of the protective cover 7, and a threaded rod 22 is movably sleeved on the inner wall of the limiting ring 21. The installation of the threaded rod 22 provides support and platform for the installation of the limiting ring 21, and the outer wall of the threaded rod 22 is threadedly sleeved with a nut 23 located on the outside of the limiting ring 21, and the nut 23 is installed on the threaded rod 22, which strengthens the stability of the limiting ring 21 on the threaded rod 22.
[0031] An outlet pipe 25 is fixedly installed on the upper end of the water pump 15. The setting of the outlet pipe 25 serves to connect the water pump 15 with a connecting pipe 26. The end of the outlet pipe 25 away from the water pump 15 is fixedly connected to a connecting pipe 26 located inside the cabinet 1. The connecting pipe 26 is distributed inside the cabinet 1 to cool the cabinet 1, and the back of the connecting pipe 26 is fixedly connected to the inner wall of the cabinet 1. An inlet pipe 24 is fixedly installed on the right side of the outlet pipe 25. The installation of the inlet pipe 24 serves to connect the water tank 2 and the water pump 15, and the end of the inlet pipe 24 away from the water pump 15 extends to the bottom surface of the water tank 2. A water guide pipe 27 located behind the cabinet 1 is fixedly installed at the rear end of the connecting pipe 26. The installation of the water guide pipe 27 serves to connect the water tank 2 and the connecting pipe 26, and the end of the water guide pipe 27 away from the connecting pipe 26 extends to the inside of the water tank 2.
[0032] Working principle: when in use, first, when it is necessary to dissipate heat inside the cabinet 1, turn on the power of the water pump 15 and the rotating motor 19. After the water pump 15 is turned on, it drives the flow of water inside the water tank 2. The water inside the water tank 2 enters the inside of the water outlet pipe 25 from the water inlet pipe 24, then enters the inside of the connecting pipe 26, and then enters the inside of the water tank 2 again from the water guide pipe 27, so that the cooling water for water-cooling heat dissipation inside the cabinet 1 can be circulated. At the same time, the turning on of the power of the rotating motor 19 drives the rotation of the rotating shaft 601. While the rotating shaft 601 rotates, it drives the rotation of the fan blades 603 through the connection of the sleeve ring 602. The rotation of the fan blades 603 accelerates the flow of air inside the cabinet 1, discharges the internal high temperature of the cabinet 1 to the outside, and then, as the cabinet 1 is used for a longer time, Increase, the accumulation on the grille 4 is prevented from clogging the ventilation of the rectangular frame 3 by a large amount of dust accumulation. The fastening bolts 14 connecting the rectangular frame 3 and the cabinet 1 are removed, and the rectangular frame 3 is removed from the cabinet 1. The dust on the grille 4 can be cleaned, and then the fastening bolts 14 are used to connect the mounting block 13 and the cabinet 1, so that the rectangular frame 3 can be installed back to its original position. Finally, when the heat dissipation component 6 needs to be inspected and repaired, the nut 23 is removed from the threaded rod 22 in a rotating manner, and then the spring buckle 8 is pressed to move toward the inside of the fixing block 28, so that the spring buckle 8 is separated from the snap block 12, and the fixing block 28 can be taken out from the inside of the snap block 12. At this time, the protective cover 7 can be disassembled from the cabinet 1, and the heat dissipation component 6 can be inspected or the dust on its surface can be cleaned.
[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A heat dissipation and ventilation structure for a frequency conversion cabinet, comprising a cabinet body (1), a water storage tank (2) being fixedly mounted on the back of the cabinet body (1), characterized in that: A rectangular frame (3) is movably mounted on both left and right sides of the cabinet (1); a grille (4) is movably hinged on the inner wall of the rectangular frame (3); a partition (5) located above the rectangular frame (3) is fixedly sleeved on both left and right sides of the cabinet (1); a heat dissipation component (6) for accelerating air flow is arranged on the outer side of the partition (5); a protective cover (7) located outside the cabinet (1) is sleeved on the outer wall of the heat dissipation component (6); a fixing block (28) is fixedly mounted on both front and rear sides of the protective cover (7); and a spring buckle (8) for connecting to the cabinet (1) is arranged on the inner wall of the fixing block (28) away from the protective cover (7).
2. The heat dissipation and ventilation structure of the frequency converter cabinet according to claim 1 is characterized in that: The front of the cabinet (1) is hingedly connected with a cabinet door (9) via a hinge, the left and right sides of the inner wall of the cabinet (1) are connected with vertical rods (10) via bolts, the upper end faces of the vertical rods (10) are connected with horizontal plates (11) via bolts, and the upper ends of the left and right sides of the cabinet (1) are fixedly mounted with locking blocks (12), and the inner wall of the locking block (12) is movably locked with the outer wall of the fixed block (28), and the inner wall of the outer side of the locking block (12) is movably sleeved with the outer wall of the spring buckle (8).
3. The heat dissipation and ventilation structure of the frequency converter cabinet according to claim 1 is characterized in that: A water pump (15) is fixedly mounted on the upper end surface of the water storage tank (2), a water supply pipe (16) located on the right side of the water pump (15) is fixedly connected to the upper end surface of the water storage tank (2), a viewing window (17) is provided on the back side of the water storage tank (2), and a drainage pipe (18) is fixedly mounted on the lower end of the left side of the water storage tank (2).
4. The heat dissipation and ventilation structure of the frequency converter cabinet according to claim 1 is characterized in that: A mounting block (13) is fixedly mounted on the outer wall of the rectangular frame (3); a fastening bolt (14) is threadedly sleeved on the inner wall of the mounting block (13); and the outer wall of the inner end of the fastening bolt (14) is threadedly sleeved on the inner wall of the cabinet (1).
5. The heat dissipation and ventilation structure of the frequency converter cabinet according to claim 1 is characterized in that: The heat dissipation assembly (6) comprises a rotating shaft (601), the outer wall of the rotating shaft (601) being fixedly sleeved with a collar (602), and the outer wall of the collar (602) being fixedly mounted with a fan blade (603).
6. The heat dissipation and ventilation structure of the frequency converter cabinet according to claim 1 is characterized in that: The inner wall of the protective cover (7) is fixedly mounted with a chassis (20), the inner wall of the chassis (20) is fixedly sleeved with a rotating motor (19), and a reducer is arranged on the output shaft of the rotating motor (19), the output shaft of the rotating motor (19) is fixedly connected to the outer end of the rotating shaft (601), and the upper and lower sides of the protective cover (7) are fixedly mounted with a limit ring (21), the inner wall of the limit ring (21) is movably sleeved with a threaded rod (22), and the outer wall of the threaded rod (22) is threadedly sleeved with a nut (23) located outside the limit ring (21).
7. The heat dissipation and ventilation structure of the frequency converter cabinet according to claim 3 is characterized in that: A water outlet pipe (25) is fixedly mounted on the upper end of the water pump (15); an end of the water outlet pipe (25) away from the water pump (15) is fixedly connected to a connecting pipe (26) located inside the cabinet (1), and a back side of the connecting pipe (26) is fixedly connected to an inner wall of the cabinet (1); a water inlet pipe (24) is fixedly mounted on the right side of the water outlet pipe (25), and an end of the water inlet pipe (24) away from the water pump (15) extends to the bottom surface of the water storage tank (2); a water guide pipe (27) located behind the cabinet (1) is fixedly mounted on the rear end of the connecting pipe (26), and an end of the water guide pipe (27) away from the connecting pipe (26) extends to the inside of the water storage tank (2).
Citation Information
Patent Citations
Water make-up pump frequency conversion cabinet for heat supply system
CN220441138U