Heat dissipation type intermediate frequency power supply cabinet

Abstract

The invention discloses a heat dissipation type intermediate frequency power supply cabinet which comprises an outer cabinet body, an exhaust fan is arranged at the upper end of the outer cabinet body, an air inlet fan is installed at the lower end of the outer cabinet body, the outer cabinet body is rotationally connected with a cabinet door, a plurality of supporting columns are fixedly connected in the outer cabinet body, the supporting columns are jointly and fixedly connected with an inner cabinet body, and the inner cabinet body is fixedly connected with a heat dissipation device. A cleaning mechanism used for cleaning dust is arranged between the outer cabinet body and the inner cabinet body, a heat dissipation device used for improving heat dissipation efficiency is arranged between the outer cabinet body and the inner cabinet body, a cooling liquid circulation system can be formed by means of the liquid suction pipe, the cooling pipe and the water tank through the devices, the cooling pipe surrounds the inner cabinet body to further absorb heat, and the heat dissipation efficiency is improved. The operation stability and reliability of the medium-frequency power supply equipment are greatly improved, and the service life of the equipment is prolonged.

Description

Technical Field

[0001] The invention relates to the technical field of heat dissipation of power supply cabinets, and in particular to a heat dissipation type medium frequency power supply cabinet. Background Art

[0002] With the rapid development of electronic technology, medium frequency power supplies have been widely used in many industrial fields, such as metallurgy, chemical industry, machinery manufacturing, etc. As a key device for carrying and protecting medium frequency power equipment, the performance of medium frequency power supply cabinet directly affects the stable operation and service life of the equipment.

[0003] During the operation of the medium frequency power supply, a large number of electronic components will continue to work and generate a lot of heat. If the heat cannot be dissipated in time and effectively, the temperature inside the cabinet will rise sharply. Excessive temperature will significantly reduce the performance of electronic components. The heat dissipation method of traditional medium frequency power supply cabinets is often relatively simple, relying only on simple natural ventilation or a small number of fans for heat dissipation. The heat dissipation efficiency is far from meeting the growing heat dissipation needs. At the same time, the industrial environment is full of a large number of dust particles, which can easily enter the interior through the vents of the cabinet. After a long period of accumulation, it will not only block the heat dissipation channel, hinder the normal dissipation of heat, and further deteriorate the heat dissipation effect, but also may cause electrical faults such as short circuits of electronic components due to the conductivity of dust, endangering the safe operation of equipment. Based on this, the present invention proposes a new medium frequency power supply cabinet with heat dissipation. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a heat dissipation type medium frequency power supply cabinet.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A medium frequency power supply cabinet with heat dissipation includes an outer cabinet, an exhaust fan is arranged at the upper end of the outer cabinet, an inlet fan is installed at the lower end of the outer cabinet, a cabinet door is rotatably connected to the outer cabinet, a plurality of support columns are fixedly connected inside the outer cabinet, and a plurality of the support columns are commonly fixedly connected to an inner cabinet, a dust cleaning mechanism is arranged between the outer cabinet and the inner cabinet, and a heat dissipation mechanism for improving heat dissipation efficiency is arranged between the outer cabinet and the inner cabinet.

[0007] Preferably, the heat dissipation mechanism is composed of a motor, a fixed block, a return spring, a limit block, a rack, a half gear, a connecting rod, a piston rod, a piston cylinder, a suction pipe, a cooling pipe and a water tank. The motor is installed at the lower end of the outer cabinet, the output shaft of the motor is fixedly connected to the half gear, the half gear is meshed with the rack, a slide groove is provided in the limit block, the limit block is fixedly connected to the outer cabinet, the rack is slidably connected in the slide groove provided in the limit block, the return spring is fixedly connected to the rack, one end of the return spring away from the rack is fixedly connected to the fixed block, the fixed block is fixedly connected to the outer cabinet, the connecting rod is fixedly connected to the rack, the piston rod is fixedly connected to the connecting rod, the piston rod is slidably connected in the piston cylinder, one end of the suction pipe is fixedly connected to the piston cylinder and the other end is fixedly connected to the water tank, one end of the cooling pipe is fixedly connected to the piston cylinder and the other end is fixedly connected to the water tank.

[0008] Preferably, the cleaning mechanism consists of a filter plate, a transmission rod, two lower cleaning brushes and two upper cleaning brushes. One end of the transmission rod is fixedly connected to the rack and the other end is fixedly connected to the filter plate. Two symmetrically arranged ash falling grooves are provided at the lower end of the outer cabinet. The two lower cleaning brushes are respectively arranged in the two ash falling grooves. The two upper cleaning brushes are fixedly connected to the inner cabinet. The two upper cleaning brushes are in contact with the upper surface of the filter plate, and the two lower cleaning brushes are in contact with the lower surface of the filter plate.

[0009] Preferably, the cooling pipe is wrapped around the outer wall of the inner cabinet, the lower end of the water tank is provided with a heat dissipation fin, and the lower end of the heat dissipation fin is fixedly mounted with a heat dissipation fan.

[0010] Preferably, heat sinks are provided on both side walls of the inner cabinet, fans are mounted on the heat sinks, multiple densely distributed ventilation holes are opened on the heat sinks, and multiple groups of heat sink fins are provided on the surface of the heat sinks.

[0011] Preferably, the lower ends of the two ash dropping troughs are fixedly connected to a collecting trough, and the interiors of the two collecting troughs are slidably connected to a collecting box.

[0012] Preferably, both the cooling pipe 5 and the liquid suction pipe 8 are provided with a one-way valve to prevent water from flowing back.

[0013] The present invention has the following beneficial effects:

[0014] 1. This can be achieved by setting up a heat dissipation mechanism. Exhaust fans and inlet fans are respectively set at the upper and lower ends of the outer cabinet to form air convection and accelerate heat dissipation. Heat dissipation plates with fans, ventilation holes and heat dissipation fins are set on both sides of the inner cabinet to increase the heat dissipation area. The motor drives the half gear to drive the rack to move, so that the piston rod reciprocates in the piston cylinder. The coolant circulation system is formed by means of a suction pipe, a cooling pipe and a water tank. The cooling pipe surrounds the inner cabinet to further absorb heat, which greatly improves the stability and reliability of the operation of the medium frequency power supply equipment and extends the service life of the equipment.

[0015] 2. By setting up a cleaning mechanism, when the heat dissipation mechanism is running, the rack drives the transmission rod to move, and then links the filter plate and the upper and lower cleaning brushes fitted thereto. During the normal operation of the equipment, the dust accumulated on the upper and lower surfaces of the filter plate can be automatically cleaned to prevent dust from clogging the vents and affecting the heat dissipation efficiency. The cleaned dust falls into the collection box in the collection trough through the ash chute. There is no need to manually shut down the machine frequently to disassemble the cabinet to clean the dust. This not only reduces the workload and cost of manual maintenance, but also avoids production interruptions caused by shutdown maintenance, ensures production continuity, reduces the probability of electrical failures caused by dust accumulation, and improves the overall safety of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of a heat dissipating medium frequency power supply cabinet proposed by the present invention;

[0017] Figure 2 This is a schematic diagram of the internal structure of a heat dissipating medium frequency power supply cabinet proposed by the present invention;

[0018] Figure 3 A bottom view of a heat dissipating medium frequency power supply cabinet proposed by the present invention;

[0019] Figure 4 It is a schematic diagram of the structure of components such as the heat dissipation mechanism and the cleaning mechanism;

[0020] Figure 5 Schematic diagram of the component structure of the collection box, etc.;

[0021] Figure 6 for Figure 2 A is an enlarged schematic diagram of the structure.

[0022] In the figure: 1 outer cabinet, 2 cabinet door, 3 inner cabinet, 4 exhaust fan, 5 cooling pipe, 6 water tank, 7 motor, 8 suction pipe, 9 inlet fan, 101 fan, 102 heat sink, 201 fixed block, 202 return spring, 203 transmission rod, 204 rack, 205 limit block, 206 half gear, 207 piston rod, 208 piston cylinder, 209 connecting rod, 301 filter plate, 302 dust drop groove, 303 lower cleaning brush, 304 upper cleaning brush, 401 cooling fins, 402 cooling fan, 501 ventilation hole, 601 collection groove, 602 collection box, 701 support column. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0024] Embodiment 1:

[0025] Reference Figure 1-6 A medium frequency power supply cabinet with heat dissipation includes an outer cabinet 1, an exhaust fan 4 is arranged at the upper end of the outer cabinet 1, an inlet fan 9 is installed at the lower end of the outer cabinet 1, a cabinet door 2 is rotatably connected to the outer cabinet 1, a plurality of support columns 701 are fixedly connected inside the outer cabinet 1, and an inner cabinet 3 is fixedly connected to the plurality of support columns 701 together, a dust cleaning mechanism is arranged between the outer cabinet 1 and the inner cabinet 3, a heat dissipation mechanism for improving heat dissipation efficiency is arranged between the outer cabinet 1 and the inner cabinet 3, heat dissipation plates 102 are arranged on the side walls of the inner cabinet 3, a fan 101 is installed on the heat dissipation plate 102, a plurality of densely distributed ventilation holes 501 are opened on the heat dissipation plate 102, and a plurality of groups of heat dissipation fins 401 are arranged on the surface of the heat dissipation plate 102. It should be noted that the gap between the inner cabinet 3 and the outer cabinet 1 should not be less than 40 mm.

[0026] In this example, starting the air inlet fan 9 at the lower end of the outer cabinet 1 and the exhaust fan 4 at the upper end will establish a basic air convection channel, prompting the outside cold air to enter the cabinet from the lower end, absorb heat and be discharged through the upper end, taking away part of the heat emitted by the inner cabinet 3, maintaining the initial ventilation and heat dissipation effect, and ensuring smooth air circulation inside the cabinet. The fan 101 will remove the heat inside the inner cabinet 3 when working, and the heat dissipation fins 401 set on the heat sink 102 will maximize the heat dissipation area and increase the heat dissipation effect.

[0027] Embodiment 2:

[0028] Further, see Figure 2-4Compared with the first embodiment, in the present embodiment, the heat dissipation mechanism is composed of a motor 7, a fixed block 201, a return spring 202, a limit block 205, a rack 204, a half gear 206, a connecting rod 209, a piston rod 207, a piston cylinder 208, a liquid suction pipe 8, a cooling pipe 5 and a water tank 6. The motor 7 is installed at the lower end of the outer cabinet 1, the output shaft of the motor 7 is fixedly connected to the half gear 206, the half gear 206 is meshed with the rack 204, a slide groove is provided in the limit block 205, the limit block 205 is fixedly connected to the outer cabinet 1, the rack 204 is slidably connected in the slide groove provided in the limit block 205, the return spring 202 is fixedly connected to the rack 204, and the return spring 202 is away from the rack One end of the rack 204 is fixedly connected to the fixed block 201, the fixed block 201 is fixedly connected to the outer cabinet 1, the connecting rod 209 is fixedly connected to the rack 204, the piston rod 207 is fixedly connected to the connecting rod 209, the piston rod 207 is slidably connected in the piston cylinder 208, one end of the suction pipe 8 is fixedly connected to the piston cylinder 208 and the other end is fixedly connected to the water tank 6, one end of the cooling pipe 5 is fixedly connected to the piston cylinder 208 and the other end is fixedly connected to the water tank 6, the cooling pipe 5 is surrounded on the outer wall of the inner cabinet, and a heat dissipation fin 401 is provided at the lower end of the water tank 6, and a heat dissipation fan 402 is fixedly installed at the lower end of the heat dissipation fin 401, and a one-way valve is provided in the cooling pipe 5 and the suction pipe 8 to prevent water backflow.

[0029] When the motor 7 is started, the motor 7 drives the half gear 206 to rotate, and the half gear 206 periodically meshes with the rack 204, so that the rack 204 reciprocates in the sliding groove of the limit block 205. The reset spring 202 assists the rack 204 in resetting to ensure the continuity of movement. The rack 204 drives the piston rod 207 to slide back and forth in the piston cylinder 208 through the connecting rod 209. The coolant is extracted from the water tank 6 with the help of the suction pipe 8 and circulates through the cooling pipe 5. The coolant absorbs heat in the cooling pipe 5 surrounding the inner cabinet 3 to achieve efficient heat exchange and reduce the temperature of the inner cabinet. The one-way valve in the cooling pipe 5 ensures that the coolant flows in a unidirectional and stable manner to prevent backflow from interfering with the heat dissipation cycle. At the same time, the heat dissipation fins 401 and the heat dissipation fan 402 at the lower end of the water tank 6 work together to dissipate the heat carried by the coolant in time and maintain the coolant at a low temperature for continuous circulation and heat dissipation.

[0030] Embodiment three:

[0031] Reference Figure 2-6, further compared with the second embodiment, in this embodiment, the cleaning mechanism is composed of a filter plate 301, a transmission rod 203, two lower cleaning brushes 303, and two upper cleaning brushes 304. It should be noted that the two cleaning brushes are made of rubber, which can prevent the bristles from falling off to the greatest extent, and the cleaning brushes can be replaced with other cleaning components such as scrapers as needed. One end of the transmission rod 203 is fixedly connected to the rack 204 and the other end is fixedly connected to the filter plate 301. Two symmetrically arranged dust falling grooves 302 are provided at the lower end of the outer cabinet 1. The two lower cleaning brushes 303 are respectively It is arranged in two ash troughs 302, two upper cleaning brushes 304 are fixedly connected to the inner cabinet 3, the two upper cleaning brushes 304 are fitted with the upper surface of the filter plate 301, and the two lower cleaning brushes 303 are fitted with the lower surface of the filter plate 301. The lower ends of the two ash troughs 302 are fixedly connected with the collecting trough 601, and the interiors of the two collecting troughs 601 are slidably connected with the collecting box 602. It should be noted that when the filter plates 301 are moved to the positions of the maximum stroke at both ends, the two ash troughs 302 are exposed respectively, thereby ensuring that the dust will be swept into the collecting trough 601.

[0032] When the motor 7 drives the rack 204 to move, the transmission rod 203 drives the filter plate 301 to move back and forth. At the same time, the upper cleaning brush 304 and the lower cleaning brush 303 will respectively clean the upper and lower surfaces of the filter plate 301, sweep the dust off, and drop it into the collection box 602 in the collection trough 601 through the dust dropping groove 302. The collection box 602 is regularly pulled out, the collected dust is dumped and cleaned, and then put back in place to ensure good sealing, maintain the continuous and efficient operation of the cleaning mechanism, and prevent secondary dust pollution or blockage of the ventilation path.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A heat dissipation medium frequency power cabinet, comprising an outer cabinet (1), characterized in that: An exhaust fan (4) is arranged at the upper end of the outer cabinet (1), an intake fan (9) is installed at the lower end of the outer cabinet (1), the outer cabinet (1) is rotatably connected to a cabinet door (2), a plurality of support columns (701) are fixedly connected inside the outer cabinet (1), the plurality of support columns (701) are commonly fixedly connected to an inner cabinet (3), a dust cleaning mechanism is arranged between the outer cabinet (1) and the inner cabinet (3), and a heat dissipation mechanism for improving heat dissipation efficiency is arranged between the outer cabinet (1) and the inner cabinet (3).

2. A heat dissipating medium frequency power supply cabinet according to claim 1, characterized in that: The heat dissipation mechanism comprises a motor (7), a fixed block (201), a return spring (202), a limit block (205), a rack (204), a half gear (206), a connecting rod (209), a piston rod (207), a piston cylinder (208), a liquid suction pipe (8), a cooling pipe (5) and a water tank (6); the motor (7) is mounted at the lower end of the outer cabinet (1); the output shaft of the motor (7) is fixedly connected to the half gear (206); the half gear (206) is meshed with the rack (204); a sliding groove is provided in the limit block (205); the limit block (205) is fixedly connected to the outer cabinet (1); the rack (204) is slidably connected to the limit block (205) In the opened slide groove, the return spring (202) is fixedly connected to the rack (204), one end of the return spring (202) away from the rack (204) is fixedly connected to the fixed block (201), the fixed block (201) is fixedly connected to the outer cabinet (1), the connecting rod (209) is fixedly connected to the rack (204), the piston rod (207) is fixedly connected to the connecting rod (209), the piston rod (207) is slidably connected in the piston cylinder (208), one end of the liquid suction pipe (8) is fixedly connected to the piston cylinder (208) and the other end is fixedly connected to the water tank (6), and one end of the cooling pipe (5) is fixedly connected to the piston cylinder (208) and the other end is fixedly connected to the water tank (6).

3. The heat dissipation type medium frequency power supply cabinet according to claim 1, characterized in that: The cleaning mechanism comprises a filter plate (301), a transmission rod (203), two lower cleaning brushes (303), and two upper cleaning brushes (304); one end of the transmission rod (203) is fixedly connected to the rack (204), and the other end is fixedly connected to the filter plate (301); two symmetrically arranged dust dropping grooves (302) are provided at the lower end of the outer cabinet (1); the two lower cleaning brushes (303) are respectively arranged in the two dust dropping grooves (302); the two upper cleaning brushes (304) are fixedly connected to the inner cabinet (3); the two upper cleaning brushes (304) are in contact with the upper surface of the filter plate (301); and the two lower cleaning brushes (303) are in contact with the lower surface of the filter plate (301).

4. The heat dissipating medium frequency power supply cabinet according to claim 2, characterized in that: The cooling pipe (5) is wrapped around the outer wall of the inner cabinet, a heat dissipation fin (401) is provided at the lower end of the water tank (6), and a heat dissipation fan (402) is fixedly installed at the lower end of the heat dissipation fin (401).

5. The heat dissipating medium frequency power supply cabinet according to claim 1, characterized in that: The side walls of the inner cabinet (3) are provided with heat dissipation plates (102), a fan (101) is installed on the heat dissipation plates (102), a plurality of densely distributed ventilation holes (501) are provided on the heat dissipation plates (102), and a plurality of groups of heat dissipation fins (401) are provided on the surface of the heat dissipation plates (102).

6. The heat dissipating medium frequency power supply cabinet according to claim 3, characterized in that: The lower ends of the two ash dropping grooves (302) are fixedly connected to a collecting groove (601), and the interiors of the two collecting grooves (601) are slidably connected to a collecting box (602).

7. The heat dissipating medium frequency power supply cabinet according to claim 2, characterized in that: Both the cooling pipe (5) and the liquid suction pipe (8) are provided with a one-way valve to prevent water from flowing back.

Images