CN212785146U - Frequency conversion cabinet - Google Patents

Frequency conversion cabinet Download PDF

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Publication number
CN212785146U
CN212785146U CN202021598716.3U CN202021598716U CN212785146U CN 212785146 U CN212785146 U CN 212785146U CN 202021598716 U CN202021598716 U CN 202021598716U CN 212785146 U CN212785146 U CN 212785146U
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CN
China
Prior art keywords
cabinet
plate
switch box
frame
heat dissipation
Prior art date
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Active
Application number
CN202021598716.3U
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Chinese (zh)
Inventor
宋萍萍
孙贤洲
赵彬
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Qingdao CCS Electric Corp
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Qingdao CCS Electric Corp
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Filing date
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Application filed by Qingdao CCS Electric Corp filed Critical Qingdao CCS Electric Corp
Priority to CN202021598716.3U priority Critical patent/CN212785146U/en
Application granted granted Critical
Publication of CN212785146U publication Critical patent/CN212785146U/en
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Abstract

A frequency conversion cabinet comprises a cabinet body and a frequency converter arranged in the cabinet body, wherein a switch box is arranged in a frame and is positioned at the rear side of a door plate at one side; the front side of the switch box is open, and one side of the switch box is hinged on the frame; an air switch connected with the frequency converter is arranged in the switch box; a capacitor arranged on the frequency converter is arranged on the bottom plate; the back plate is divided into a sealing plate part positioned at the upper part and a heat dissipation part positioned at the lower part; the busbar arranged on the frequency converter is arranged on the heat dissipation part, and the heat dissipation part is provided with a water channel; the sealing plate part is provided with a mounting port, and an exhaust fan is mounted on the mounting port; the bottom of the door panel is provided with an air inlet window. The utility model discloses a frequency conversion cabinet is through setting up the air inlet window at the door plant, and the backplate sets up the fan of airing exhaust to form the wind path that flows from preceding backward at the internal portion of cabinet, make the lower outside air of temperature can be smooth and easy inflow and the outflow cabinet body, take away the heat that the device operation of the internal converter of cabinet gave out when moving, improve the radiating effect.

Description

Frequency conversion cabinet
Technical Field
The utility model belongs to the electrical equipment field especially relates to a frequency conversion cabinet.
Background
The frequency conversion cabinet is a cabinet type frequency converter and is used for supplying power to electric equipment such as a motor and the like and adjusting the output power of the motor in operation. In order to meet the requirement of environmental miniaturization such as a test bench, the overall dimension of the frequency conversion cabinet is smaller and smaller, but the frequency converter in the frequency conversion cabinet is a high-power electric appliance, the heat generated during operation is more, the heat is difficult to dissipate due to the narrow cabinet body space, and the heat dissipation performance of the frequency conversion cabinet is always in a poor state, so that the power specification of the frequency converter is limited.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the not good problem of current frequency conversion cabinet heat dispersion, provide a frequency conversion cabinet that heat dispersion is stronger.
In order to achieve the above object, the utility model discloses a technical scheme be:
a frequency conversion cabinet comprises a cabinet body and a frequency converter arranged in the cabinet body, wherein the cabinet body comprises a frame and a panel, and the panel comprises a top plate, a bottom plate, side plates, a back plate and a door plate;
the top plate is fixedly connected to the top of the frame, the bottom plate is fixedly connected to the bottom of the frame, and the back plate is fixedly connected to the rear of the frame;
the two side plates are respectively fixed on the left side and the right side of the frame;
the two door plates are arranged and are arranged in the front of the frame in a split mode;
a switch box is arranged in the frame and is positioned at the rear side of the door plate at one side;
the front side of the switch box is open, and one side of the switch box is hinged to the frame;
an air switch connected with the frequency converter is arranged in the switch box;
a capacitor arranged on the frequency converter is arranged on the bottom plate;
the back plate is divided into a sealing plate part positioned at the upper part and a heat dissipation part positioned at the lower part;
the busbar arranged on the frequency converter is arranged on a heat dissipation part, and a water channel is arranged on the heat dissipation part;
the sealing plate part is provided with an installation port, and an exhaust fan is installed on the installation port;
and air inlet windows are arranged at the bottoms of the door plates.
Preferably, air inlet windows are arranged on the two door panels, mounting ports are arranged on the left side and the right side of the sealing plate portion, and exhaust fans are mounted in the mounting ports.
Preferably, the water channel is arranged on the rear surface of the heat dissipation portion, the bottom end of the water channel is provided with a water inlet, and the top end of the water channel is provided with a water outlet for connecting a water outlet pipe and a water return pipe of the radiator.
Preferably, the water channels are arranged in a serpentine shape from bottom to top.
Preferably, the top surface and the bottom surface of the switch box are both provided with heat dissipation holes.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect:
the utility model discloses a frequency conversion cabinet is through setting up the air inlet window at the door plant, and the backplate sets up the fan of airing exhaust to form the wind path that flows from preceding backward at the internal portion of cabinet, make the lower outside air of temperature can be smooth and easy inflow and the outflow cabinet body, take away the heat that the device operation of the internal converter of cabinet gave out when moving, improve the radiating effect.
The air inlet window is located the bottom, and the fan of airing exhaust is located the top, makes the internal air current of cabinet be the trend of upflow backward from the front, promotes the heat in rising for thermal flow to send out the cabinet body with the heat fast, improve the radiating effect.
The backplate bottom sets up the water-cooling plate structure, can external water cooling plant's radiator, takes away the internal heat of cabinet through the circulating water, can further strengthen heat dispersion.
The switch box is installed in the cabinet body, and the switch is installed in the switch box in a centralized manner, so that the switch box separates the switch from the heating device of the frequency converter, and the service life of the switch is prevented from being reduced due to high temperature. Switch box one side is articulated, can overturn and open, is convenient for overhaul the connecting wire at switch rear portion, is convenient for overhaul the device of the internal converter of cabinet simultaneously, has reduced the degree of difficulty of plant maintenance.
Two door plants all set up the air inlet window, and the fan of airing exhaust is all installed to the backplate both sides, can increase the coverage area of wind path, makes the radiating heat of device on each position in the cabinet body, can both be taken away by the air current in the wind path, improves the radiating efficiency.
The water cooling plate structure on the back plate has the advantages that the water channel is snakelike, the coverage area is large, the heat is absorbed and taken away more sufficiently, and the heat dissipation effect is improved.
The top and the bottom of the switch box are provided with heat dissipation holes, so that a part of air flow entering the cabinet body can pass through the switch box from bottom to top, the heat in the switch box is taken away, and the stability of the switch device during operation is ensured.
Drawings
FIG. 1 is a schematic structural view of the frequency conversion cabinet with a hidden side door panel;
fig. 2 is a schematic structural view of the frequency conversion cabinet of the present invention after the door panel and the top plate are hidden;
FIG. 3 is a schematic structural view of the switch box in a turned-out state after the door plate of the inverter cabinet is hidden;
FIG. 4 is a rear view structural diagram of the frequency conversion cabinet of the present invention;
in the above figures: 1. a frame; 21. a top plate; 22. a base plate; 23. a side plate; 24. a back plate; 241. a sealing plate portion; 242. a heat dissipating section; 25. a door panel; 3. a switch box; 4. an air switch; 5. a capacitor; 6. a busbar; 7. a water channel; 71. a water inlet; 72. A water outlet; 8. an installation port; 9. an exhaust fan; 10. an air inlet window; 11. and (4) heat dissipation holes.
Detailed Description
The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 4, the utility model provides a frequency conversion cabinet, which comprises a cabinet body and a frequency converter installed in the cabinet body.
The cabinet includes a frame 1 and a panel including a top plate 21, a bottom plate 22, side plates 23, a back plate 24 and a door plate 25 to cover the frame 1 entirely, forming an accommodating space therein.
The top plate 21 is fixedly connected to the top of the frame 1 to form the top surface of the cabinet. The bottom plate 22 is fixedly connected to the bottom of the frame 1 to form the bottom surface of the cabinet body. The back plate 24 is fixedly connected with the rear part of the frame 1 to form the back of the cabinet body.
The two side plates 23 are respectively fixed on the left side and the right side of the frame 1 to form the side of the cabinet body.
A door panel 25 is mounted at the front of the frame 1, forming the front of the cabinet. The door panel 25 is provided with two, outer side edges hinged to the frame 1, thereby forming a half-open structure.
The switch box 3 is installed in the frame 1, and the switch box 3 is located at the rear side of the door panel 25 at one side, so that the switch box 3 can be exposed to the outside after the door panel 25 is opened.
The front side of switch box 3 is uncovered, and the air switch 4 that the converter is connected is installed in switch box 3 to be convenient for operating personnel open behind the door plant 25, can operate air switch 4.
The outside of switch box 3 articulates on frame 1 to make switch box 3 also can overturn and open, the converter device of the internal portion of cabinet can expose outside, and the personnel of being convenient for overhaul. Meanwhile, the back of the switch box 3 can be turned to the outside, so that the connecting line on the back of the air switch 4 can be conveniently overhauled.
The capacitor 5 of the frequency converter is mounted on the base plate 22.
The back plate 24 is divided into two parts, and includes a cover plate portion 241 located at an upper part and a heat dissipation portion 242 located at a lower part.
Female 6 calorific capacity that arranges of converter setting is great, and female 6 of arranging is installed on heat dissipation portion 242, is provided with water course 7 on the heat dissipation portion 242, and water course 7 can connect the radiator, and the radiator can provide endless cooling water to water course 7, and through the flow of cooling water, takes away the heat on the heat dissipation portion 242 to arrange 6's heat dissipation for quickening.
The sealing panel part 241 is provided with an installation opening 8, an exhaust fan 9 is installed on the installation opening 8, and the bottom of the door panel 25 is provided with an air inlet window 10.
The heat generated when the device of the frequency converter is electrified is radiated to the air in the cabinet body. The ventilation fan 9 is electrified to operate, and the air with heat in the cabinet is pumped out of the cabinet body, so that the heat dissipation is realized, and the device is cooled and cooled. When the hot air in the cabinet body is discharged by the exhaust fan 9, negative pressure is generated in the cabinet body, so that air with lower temperature enters the cabinet body through the air inlet window 10, heat emitted by the operation of the absorption device is absorbed, and an air inlet window 10 is formed in the cabinet body and flows to the air path of the exhaust fan 9, so that the heat emitted by the device is efficiently and continuously taken away, and the heat radiation effect is improved.
The exhaust fan 9 is located on the sealing board portion 241 of the upper portion of the back plate 24, and the air inlet window 10 is located at the bottom of the door panel 25, so that the air inlet window 10 flows to the air path of the exhaust fan 9 and tends to flow upwards, thereby directly pushing the rising heat in the cabinet body, accelerating the flow and discharge of the heat, and further improving the heat dissipation efficiency.
In order to improve the ventilation capacity, air inlet windows 10 are arranged on the two door panels 25, mounting openings 8 are arranged on the left side and the right side of the sealing plate portion 241, and an exhaust fan 9 is arranged in each mounting opening 8.
The air inlet windows 10 and the exhaust fans 9 are arranged on the left side and the right side of the cabinet body, so that air paths flowing to the exhaust fans 9 through the air inlet windows 10 are fully distributed in the cabinet body, heat generated by all devices in the cabinet body can be taken away by air flow in the air paths, and the heat dissipation effect is improved.
The water channel 7 is disposed on the rear surface of the heat dissipating portion 242, a water inlet 71 is disposed at the bottom end of the water channel 7, and a water outlet 72 is disposed at the top end of the water channel 7.
The water outlet pipe of the radiator is connected with a water inlet 71, and the water return pipe of the radiator is connected with a water outlet 72. The cooling water in the radiator flows out through the water outlet pipe, flows into the water channel 7 through the water inlet 71, takes away the heat on the heat radiating part 242, leaves the water channel 7 through the water outlet 72, and flows back to the radiator through the water return pipe. After the cooling water with heat returns to the radiator, the heat is radiated by a fan arranged on the radiator.
In order to increase the distribution area and sufficiently take away the heat of the heat dissipation portion 242, the water channels 7 are arranged in a serpentine shape from bottom to top.
In order to take away the heat in the switch box 3 and improve the operation stability of the air switch 4, the top surface and the bottom surface of the switch box 3 are both provided with heat dissipation holes 11. When the air current flows to the exhaust fan 9 from the air inlet window 10, a part of the air current can flow into the switch box 3 through the heat dissipation holes 11 at the bottom of the switch box 3, and after taking away the heat in the switch box 3, the air current flows out through the heat dissipation holes 11 at the top of the switch box 3.

Claims (5)

1. A frequency conversion cabinet comprises a cabinet body and a frequency converter arranged in the cabinet body, and is characterized in that the cabinet body comprises a frame (1) and a panel, wherein the panel comprises a top plate (21), a bottom plate (22), side plates (23), a back plate (24) and a door plate (25);
the top plate (21) is fixedly connected to the top of the frame (1), the bottom plate (22) is fixedly connected to the bottom of the frame (1), and the back plate (24) is fixedly connected to the rear of the frame (1);
the two side plates (23) are respectively fixed on the left side and the right side of the frame (1);
the two door plates (25) are arranged and are arranged at the front part of the frame (1) in a split mode;
a switch box (3) is installed in the frame (1), and the switch box (3) is positioned on the rear side of the door panel (25) on one side;
the front side of the switch box (3) is open, and one side of the switch box is hinged to the frame (1);
an air switch (4) connected with the frequency converter is arranged in the switch box (3);
a capacitor (5) arranged on the frequency converter is arranged on the bottom plate (22);
the back plate (24) is divided into a sealing plate part (241) positioned at the upper part and a heat dissipation part (242) positioned at the lower part;
a busbar (6) arranged on the frequency converter is arranged on a heat dissipation part (242), and a water channel (7) is arranged on the heat dissipation part (242);
the sealing plate part (241) is provided with an installation opening (8), and an exhaust fan (9) is installed on the installation opening (8);
and air inlet windows (10) are arranged at the bottoms of the door plates (25).
2. The frequency conversion cabinet according to claim 1, wherein the two door panels (25) are provided with air inlet windows (10), the left and right sides of the cover panel portion (241) are provided with mounting openings (8), and the mounting openings (8) are provided with exhaust fans (9).
3. The inverter cabinet according to claim 1, wherein the water channel (7) is disposed on the rear surface of the heat dissipating part (242), a water inlet (71) is disposed at the bottom end of the water channel (7), and a water outlet (72) is disposed at the top end of the water channel (7) for connecting an outlet pipe and a return pipe of the radiator.
4. Frequency conversion cabinet according to claim 1, characterized in that the water channels (7) are arranged in a serpentine shape from bottom to top.
5. Frequency conversion cabinet according to claim 1, characterized in that the top and bottom surfaces of the switch box (3) are provided with heat dissipation holes (11).
CN202021598716.3U 2020-08-04 2020-08-04 Frequency conversion cabinet Active CN212785146U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021598716.3U CN212785146U (en) 2020-08-04 2020-08-04 Frequency conversion cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021598716.3U CN212785146U (en) 2020-08-04 2020-08-04 Frequency conversion cabinet

Publications (1)

Publication Number Publication Date
CN212785146U true CN212785146U (en) 2021-03-23

Family

ID=75040547

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021598716.3U Active CN212785146U (en) 2020-08-04 2020-08-04 Frequency conversion cabinet

Country Status (1)

Country Link
CN (1) CN212785146U (en)

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