Heat dissipation structure of solid-state soft starting device

Abstract

The utility model relates to the technical field of heat dissipation of solid-state soft start cabinets, in particular to a heat dissipation structure of a solid-state soft start device, which comprises a solid-state soft start cabinet body and an air inlet, the air inlet penetrates through the vertical plane of the solid-state soft start cabinet body, and an arc-shaped frame is arranged at the section, far away from the solid-state soft start cabinet body, of a rectangular frame. Compared with the prior art, the solid-state soft-start cabinet is reasonable in structure, the exhaust fan of the solid-state soft-start cabinet can well suck hot air in the solid-state soft-start cabinet, the hot air in the solid-state soft-start cabinet can be sucked out through the exhaust fan, the hot air in the solid-state soft-start cabinet can be sucked out through the exhaust fan, the hot air in the solid-state soft-start cabinet can be sucked out through the exhaust fan, and the hot air in the solid-state soft-start cabinet can be sucked out through the exhaust fan. The heat dissipation of the solid-state soft start cabinet body is driven by a motor, so that the noise is too large, and the work of personnel adjacent to the solid-state soft start cabinet body is easily influenced, and therefore, the solid-state soft start cabinet body is also provided with a sound insulation device.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation of a solid-state soft start cabinet, in particular to a heat dissipation structure of a solid-state soft start device. Background Art

[0002] Solid-state soft starter is a novel motor control device that integrates motor soft start, soft stop, light load energy saving and multiple protection functions. It is called Soft Starter abroad. Its main components are three-phase phase-parallel thyristor and its electronic control circuit connected in series between the power supply and the controlled motor. Different methods are used to control the conduction angle of the three-phase phase-parallel thyristor so that the input voltage of the controlled motor changes according to different requirements, so as to achieve different functions. The existing high-voltage solid-state soft starter adopts an integral assembly structure, the power supply component is arranged inside the motor start controller, and then the high-voltage solid-state soft starter is placed in the high-voltage solid-state soft start cabinet as a whole.

[0003] The existing solid-state soft start cabinet is placed in the machine room, so the heat dissipation effect is not very good. In addition, most of the motor-driven fan blades used in the existing solid-state soft start cabinet are used for heat dissipation, which results in a very loud noise when the motor starts. During the alternation of hot and cold, if the humidity in the air is high, it is easy to cause damage and impact to the cabinet. Utility Model Content

[0004] The purpose of the utility model is to provide a heat dissipation structure of a solid-state soft start device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions:. The heat dissipation structure of the solid-state soft start device includes: a solid-state soft start cabinet and an air inlet, the air inlet is penetrated through the vertical surface of the solid-state soft start cabinet, a rectangular frame is penetrated through a long vertical surface of the solid-state soft start cabinet, an arc frame is provided at the cross-section of the rectangular frame away from the solid-state soft start cabinet, a switch door is provided on the vertical surface of the rectangular frame, a fixing plate is provided on the lower surface of the rectangular frame, and the other end of the fixing plate is connected to the solid-state soft start cabinet.

[0006] Preferably, a sound insulation layer is provided at the vertical surface inside the arc-shaped frame, a dehumidification device is provided through the vertical surface inside the rectangular frame, and a plurality of exhaust fans are provided at the bottom surface of the rectangular frame close to the solid-state soft start cabinet.

[0007] Preferably, the dehumidification device comprises: a Y-shaped water collecting frame and a U-shaped installation frame, a U-shaped installation frame is fixed on the upper surface of the Y-shaped water collecting frame, and guide blocks are provided on the long vertical surfaces inside the U-shaped installation frame, a desiccant storage frame is provided on the inner ring of the U-shaped installation frame, and a rotating handle is provided through the vertical surface of the desiccant storage frame close to the switch door.

[0008] Preferably, the exhaust fan comprises: an outer frame and a fixing rod, a pair of fixing rods are arranged at the inner ring of the outer frame, and the fixing rods are connected to the same disc, and fan blades are arranged on the circular surface of the disc close to the solid-state soft start cabinet, and the circular surface of the disc away from the fan blades is connected to the motor.

[0009] Preferably, the sound insulation layer contains: U-shaped sound-absorbing cotton and a sound-absorbing board, and the sound-absorbing board is sandwiched inside the U-shaped sound-absorbing cotton, notches are provided at both ends of the U-shaped sound-absorbing cotton, and a mounting block is also provided on the vertical surface of the U-shaped sound-absorbing cotton.

[0010] Preferably, a rectangular groove is provided at the intersection of the dehumidification device and the rectangular frame, and a water storage tank is also provided at the lower surface of the rectangular frame.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model has a reasonable structure, and the exhaust fan of the equipment can absorb the hot air inside the solid-state soft start cabinet very well, and in the process of sucking out, most of the moisture in the hot air can be filtered out, thereby reducing the moisture in the machine room, and the desiccant storage frame is very simple to disassemble and replace. The heat dissipation of the solid-state soft start cabinet is driven by a motor, which causes excessive noise and easily affects the work of the personnel next door, so the solid-state soft start cabinet is also provided with a sound insulation device, which greatly reduces the transmission of noise. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0013] Figure 2 It is a schematic diagram of the structure of the rectangular frame of the utility model.

[0014] Figure 3 This is a diagram showing the internal connection structure of the rectangular frame of the utility model.

[0015] Figure 4 This is a schematic diagram of the connection structure of the dehumidification device of the utility model.

[0016] Figure 5 This is a schematic diagram of the structure of the exhaust fan of the utility model.

[0017] Figure 6 This is a schematic diagram of the sound insulation layer structure of the utility model.

[0018] In the figure: 1. solid-state soft start cabinet; 2. air inlet; 3. rectangular frame; 4. arc frame; 5. switch door; 6. fixing plate; 7. sound insulation layer; 8. dehumidification device; 9. exhaust fan; 10. Y-shaped water collection frame; 11. U-shaped installation frame; 12. guide block; 13. desiccant storage frame; 14. rotating handle; 15. outer frame; 16. fixing rod; 17. disc; 18. fan blade; 19. motor; 20. U-shaped sound-absorbing cotton; 21. sound-absorbing board; 22. notch; 23. installation block; 24. rectangular groove; 25. water storage tank. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of 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.

[0020] See also Figures 1 to 6 The utility model provides a technical solution: a heat dissipation structure of a solid-state soft start device, comprising: a solid-state soft start cabinet 1 and an air inlet 2. The air inlet 2 is penetrated at the vertical surface of the solid-state soft start cabinet 1, and a rectangular frame 3 is penetrated at a long vertical surface of the solid-state soft start cabinet 1. An arc frame 4 is arranged at the cross section of the rectangular frame 3 away from the solid-state soft start cabinet 1, and the rectangular frame 3 and the arc frame 4 are in a fixed relationship. A switch door 5 is arranged at the vertical surface of the rectangular frame 3, and a fixing plate 6 is arranged at the lower surface of the rectangular frame 3. The fixing plate 6 strengthens the fixation between the rectangular frame 3 and the solid-state soft start cabinet 1, and the other end of the fixing plate 6 is connected to the solid-state soft start cabinet 1.

[0021] Furthermore, a sound insulation layer 7 is provided on the vertical surface inside the arc frame 4, and the sound insulation layer 7 is slidably connected to the arc frame 4, and the two are not in a fixed relationship. A dehumidification device 8 is provided through the vertical surface inside the rectangular frame 3, and several exhaust fans 9 are provided on the bottom surface of the rectangular frame 3 near the solid-state soft start cabinet 1.

[0022] Furthermore, the dehumidification device 8 contains: a Y-shaped water collecting frame 10 and a U-shaped mounting frame 11. The U-shaped mounting frame 11 is fixed on the upper surface of the Y-shaped water collecting frame 10. The U-shaped mounting frame 11 and the Y-shaped water collecting frame 10 are in a fixed relationship, and guide blocks 12 are provided at the long vertical surfaces inside the U-shaped mounting frame 11. A desiccant storage frame 13 is provided at the inner ring of the U-shaped mounting frame 11. A mounting groove is also provided at the vertical surface of the lower end of the desiccant storage frame 13, and the size of the mounting groove corresponds to the guide block 12. The desiccant storage frame 13 is transparent and has a plurality of small holes. The setting of the small holes will not delay the outflow of hot air, and the desiccant is in granular form. A rotating handle 14 is provided through the vertical surface of the desiccant storage frame 13 near the switch door 5.

[0023] Furthermore, the exhaust fan 9 includes: an outer frame 15 and a fixing rod 16, a pair of fixing rods 16 are provided at the inner ring of the outer frame 15, the pair of fixing rods 16 are fixed at the inner ring of the outer frame 15, and the fixing rods 16 are connected to the same disc 17, and the circular surface of the disc 17 close to the solid-state soft start cabinet 1 is provided with fan blades 18, the circular surface of the disc 17 away from the fan blades 18 is connected to the motor 19, and the rotating shaft of the motor 19 passes through the disc 17 and is connected to the rotating rod of the fan blade 18.

[0024] Furthermore, the sound insulation layer 7 contains: U-shaped sound-absorbing cotton 20 and a sound-absorbing board 21, and the sound-absorbing board 21 is sandwiched inside the U-shaped sound-absorbing cotton 20, and notches 22 are set at both ends of the U-shaped sound-absorbing cotton 20, and a mounting block 23 is also set at the vertical surface of the U-shaped sound-absorbing cotton 20, and a pair of slide grooves are set at the bottom surface of the arc frame 4, and a mounting plate is also set at the vertical surface of the arc frame 4, and the mounting block 23 and the upper surface of the mounting plate are penetrated by circular notches, a pair of grooves are set at the lower surface of the U-shaped sound-absorbing cotton 20, and rollers are set at the top surface of the grooves, and the rollers serve to assist the U-shaped sound-absorbing cotton 20 to slide.

[0025] Furthermore, a rectangular groove 24 is provided at the intersection of the dehumidification device 8 and the rectangular frame 3 , and a water storage tank 25 is also provided at the lower surface of the rectangular frame 3 .

[0026] Working principle: When the device is working, first turn on the air conditioner in the machine room, and then start the motor 19 in the exhaust fan 9, so that the shaft of the motor 19 drives the fan blades 18 to rotate, which plays the role of extracting breath. When extracting breath, the hot air will first pass through the dehumidifier 8, because the dehumidifier 8 contains a desiccant storage frame 13, and the desiccant storage frame 13 is transparent and has several small holes. The setting of the small holes will not delay the outflow of hot air, and the desiccant is granular. After the hot air passes through the dehumidifier 8, the desiccant can filter and collect most of the moisture in the hot air. After being collected in the mobile Chengdu, the water droplets will be affected by gravity. , thereby dripping into the Y-shaped water collecting frame 10, because: the Y-shaped water collecting frame 10 passes through the rectangular frame 3, and a water storage tank 25 is also provided at the lower surface of the rectangular frame 3, so the water droplets will enter the water storage tank 25 through the Y-shaped water collecting frame 10. When several motors are started 19, most of the noise will be absorbed by the sound insulation layer 7, thereby reducing the noise. The sound insulation layer 7 is composed of U-shaped sound-absorbing cotton 20 and sound-absorbing board 21, both of which can absorb sound energy and reduce sound reflection and propagation. These materials usually have a porous or fibrous structure and can convert sound into heat energy. The gas discharged by the exhaust fan 9 can also take away the heat energy converted from sound. The sound insulation layer is often likely to overheat.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. Heat dissipation structure of solid-state soft starter, include: A solid-state soft start cabinet (1) and an air inlet (2), characterized in that: the air inlet (2) is provided through the vertical surface of the solid-state soft start cabinet (1), a rectangular frame (3) is provided through a long vertical surface of the solid-state soft start cabinet (1), an arc frame (4) is provided at a cross section of the rectangular frame (3) away from the solid-state soft start cabinet (1), a switch door (5) is provided at the vertical surface of the rectangular frame (3), a fixing plate (6) is provided at the lower surface of the rectangular frame (3), and the other end of the fixing plate (6) is connected to the solid-state soft start cabinet (1).

2. The heat dissipation structure of the solid-state soft starter according to claim 1, Features: A sound insulation layer (7) is provided on the vertical surface inside the arc-shaped frame (4), a dehumidification device (8) is provided through the vertical surface inside the rectangular frame (3), and a plurality of exhaust fans (9) are provided on the bottom surface of the rectangular frame (3) close to the solid-state soft start cabinet (1).

3. The heat dissipation structure of the solid-state soft start device according to claim 2, Features: The dehumidification device (8) comprises: a Y-shaped water collecting frame (10) and a U-shaped installation frame (11); the U-shaped installation frame (11) is fixed on the upper surface of the Y-shaped water collecting frame (10), and guide blocks (12) are arranged on the long vertical surfaces inside the U-shaped installation frame (11); a desiccant storage frame (13) is arranged on the inner ring of the U-shaped installation frame (11), and a rotating handle (14) is arranged through the vertical surface of the desiccant storage frame (13) close to the switch door (5).

4. The heat dissipation structure of the solid-state soft start device according to claim 2, Features: The exhaust fan (9) comprises an outer frame (15) and a fixing rod (16), wherein a pair of fixing rods (16) are arranged at the inner ring of the outer frame (15), and the fixing rods (16) are connected to the same disk (17), and a fan blade (18) is arranged at the circular surface of the disk (17) close to the solid-state soft start cabinet (1), and a motor (19) is connected to the circular surface of the disk (17) away from the fan blade (18).

5. The heat dissipation structure of the solid-state soft start device according to claim 2, Features: The sound insulation layer (7) comprises: a U-shaped sound-absorbing cotton (20) and a sound-absorbing board (21), and the sound-absorbing board (21) is sandwiched inside the U-shaped sound-absorbing cotton (20), and notches (22) are provided at both ends of the U-shaped sound-absorbing cotton (20), and a mounting block (23) is also provided at the vertical surface of the U-shaped sound-absorbing cotton (20).

6. The heat dissipation structure of the solid-state soft start device according to claim 2, Features: A rectangular groove (24) is provided at the intersection of the dehumidification device (8) and the rectangular frame (3), and a water storage tank (25) is also provided on the lower surface of the rectangular frame (3).

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