CN-224233169-U - Ground static change power supply structure of airplane

Abstract

The utility model provides an aircraft ground static-change power supply structure, which relates to the field of 200V/400HZ medium-frequency power supply equipment and is suitable for gallery bridge hoisting and structural installation of a vehicle-mounted aircraft ground static-change power supply, wherein the aircraft ground static-change power supply structure comprises a cabinet body, a cabinet door and a heat dissipation air duct, the top of the cabinet body is provided with a hoisting part, and the hoisting part is used for hoisting the cabinet body on an object to be fixed; the side part of the cabinet body is provided with an open side, the top side of the cabinet door is hinged with the upper edge of the open side, the cabinet door can rotate and be opened by taking the top side as an axis, the heat dissipation air duct is positioned in the cabinet body, the heat dissipation air duct is internally provided with a heat dissipation fan, the air inlet and the air outlet of the heat dissipation air duct are positioned on different side walls of the cabinet body, the cabinet door is prevented from affecting the operation of maintenance personnel by adopting an upward opening structure, the maintenance work in the cabinet body is facilitated, the air outlet and the air inlet of the heat dissipation air duct are positioned on the side walls of the cabinet body, and the cabinet body can be cooled by a sufficient space after being hoisted and installed by adopting a side air inlet and air outlet mode.

Inventors

• CHEN HONGYU
• Xin Zhenhuan
• TANG LONG

Assignees

• 上海灵融实业发展有限公司

Dates

Publication Date

20260512

Application Date

20250603

Claims (10)

1. 1. The utility model provides an aircraft ground statical variable power structure which characterized in that, includes cabinet body, cabinet door and heat dissipation wind channel, wherein: the top of the cabinet body is provided with a hoisting part, and the hoisting part is used for hoisting the cabinet body on an object to be fixed; The side part of the cabinet body is provided with an open side, the top side of the cabinet door is hinged with the upper edge of the open side, and the cabinet door can rotate and be opened by taking the top side as an axle center; The heat dissipation air duct is located in the cabinet body, a heat dissipation fan is arranged in the heat dissipation air duct, and an air inlet and an air outlet of the heat dissipation air duct are located on different side walls of the cabinet body.
2. 2. The aircraft ground statics power structure of claim 1, wherein the lifting portion includes lifting holes, the number of lifting holes being one or more than two.
3. 3. The aircraft ground statics power structure of claim 1, wherein the number of the cabinet doors is one or two, and when the number of the cabinet doors is two, the two cabinet doors are located on opposite sides of the cabinet body.
4. 4. The aircraft ground static-change power supply structure according to claim 1, further comprising a driving device, wherein the driving device is obliquely arranged, two ends of the driving device are respectively and rotatably connected with the cabinet body and the corresponding cabinet door, and the cabinet door can be driven to be opened or closed when the driving device stretches.
5. 5. The aircraft ground static-change power supply structure according to claim 1, wherein the air inlet and the air outlet are respectively positioned on two opposite sides of the cabinet body, and the heat dissipation air duct is a straight-through air duct.
6. 6. The aircraft ground statics power structure of claim 5, wherein the air inlet, the air outlet, and the cabinet door are located on different sidewalls of the cabinet body.
7. 7. The aircraft ground static power supply structure according to claim 1, wherein waterproof shutters are arranged at the air inlet and the air outlet.
8. 8. The aircraft ground stationary power supply structure according to claim 1, wherein a heating element of the aircraft ground stationary power supply is located in the middle of the heat dissipation air duct.
9. 9. The aircraft ground static-change power supply structure according to claim 1, wherein the rectifying element, the inverting element and the control element in the cabinet body are positioned close to one of the cabinet doors, and the switch, the contactor, the relay and the capacitor in the cabinet body are positioned close to the other cabinet door.
10. 10. The aircraft ground static power supply structure according to claim 1, wherein a door lock is provided on the cabinet door.

Description

Ground static change power supply structure of airplane Technical Field The utility model relates to the technical field of power supply equipment, in particular to an aircraft ground static change power supply structure. Background The aircraft ground static power supply is precise power supply equipment for realizing independent frequency and voltage regulation and conversion through a power electronic technology, and has the core function of converting 380V50HZ input by a power grid into a pure, frequency-adjustable and voltage-adjustable alternating current power supply for supplying 200V400HZ to an aircraft. Has the characteristics of high-frequency response, accurate control, high efficiency and the like. In the prior art, an airplane ground static power supply including an intermediate frequency power supply is mostly of a vertical structure, and a cabinet body is placed on the ground. The aircraft ground static-change power supply comprises a cabinet body and a cabinet door, wherein the left side of the cabinet door is hinged with the cabinet body to realize opening of the cabinet door, the aircraft ground static-change power supply needs heat dissipation, and the air outlet mode of the aircraft ground static-change power supply is that air is introduced from the front side and the rear side of the cabinet body and air is introduced from the top. Disclosure of utility model The utility model aims to provide an aircraft ground static power supply structure, which aims to solve the problems of the structure of an aircraft ground static power supply in the prior art, and various technical effects which can be produced by the preferred technical scheme in various technical schemes provided by the utility model are described in detail below. In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an aircraft ground static change power supply structure, which comprises a cabinet body, a cabinet door and a heat dissipation air duct, wherein: the top of the cabinet body is provided with a hoisting part, and the hoisting part is used for hoisting the cabinet body on an object to be fixed; The side part of the cabinet body is provided with an open side, the top side of the cabinet door is hinged with the upper edge of the open side, and the cabinet door can rotate and be opened by taking the top side as an axle center; The heat dissipation air duct is located in the cabinet body, a heat dissipation fan is arranged in the heat dissipation air duct, and an air inlet and an air outlet of the heat dissipation air duct are located on different side walls of the cabinet body. Preferably, the lifting part comprises lifting holes, and the number of the lifting holes is one group or more than two groups. Preferably, the number of the cabinet doors is one or two, and when the number of the cabinet doors is two, the two cabinet doors are positioned on two opposite sides of the cabinet body. Preferably, the ground static change power supply structure of the aircraft further comprises a driving device, the driving device is obliquely arranged, two ends of the driving device are respectively connected with the cabinet body and the corresponding cabinet door in a rotating mode, and the driving device can drive the cabinet door to open or close when stretching and contracting. Preferably, the air inlet and the air outlet are respectively positioned at two opposite sides of the cabinet body, and the heat dissipation air channel is a straight-through air channel. Preferably, the air inlet, the air outlet and the cabinet door are positioned on different side walls of the cabinet body. Preferably, waterproof shutters are arranged at the air inlet and the air outlet. Preferably, the heating element of the aircraft ground static power supply is positioned in the middle of the heat dissipation air duct. Preferably, the rectifying element, the inversion element and the control element in the cabinet body are positioned close to one cabinet door, and the switch, the contactor, the relay and the capacitor in the cabinet body are positioned close to the other cabinet door. Preferably, a door lock is arranged on the cabinet door. Compared with the prior art, the aircraft ground static change power supply structure has the advantages that the lifting part is positioned at the top of the cabinet body, the cabinet body is conveniently lifted on a suspended ceiling waiting fixture, the top side of the cabinet door is taken as the rotating side when the cabinet door starts, the door is in an upward opening structure, the cabinet door is prevented from affecting the operation of maintenance personnel, the maintenance work in the cabinet body is convenient, the air outlet and the air inlet of the heat dissipation air duct are both positioned on the side wall of the cabinet body, and the side air inlet and the air outlet are adopted, so that the cabinet body can dis