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CN-115930298-B - Air conditioning device

CN115930298BCN 115930298 BCN115930298 BCN 115930298BCN-115930298-B

Abstract

The invention discloses an air conditioning device with a plurality of diversion cooling fins, which comprises a shell (1), a panel (2), a lining plate (3), a mounting seat (4), a heat exchanger (5), a centrifugal impeller (6), a motor (7) and an inlet current collector (8), wherein the centrifugal impeller comprises a rear cover plate (61), the rear cover plate comprises a first flat plate part (62), a conical part (63) and a second flat plate part (64) which are sequentially connected, a driving shaft of the motor is connected with the second flat plate part, and the conical part is provided with a plurality of first diversion cooling fins (65), and the air conditioning device is characterized in that the periphery of the motor is provided with a plurality of diversion cooling fins (71), the diversion cooling fins are obliquely arranged relative to the rotation axis of the centrifugal impeller, and one side surface of the conical part, which is adjacent to the motor, is provided with a plurality of rotation diversion fins (67, 68). The invention can strengthen the heat dissipation effect on the motor and effectively level Heng Zhouxiang force, thereby reducing vibration.

Inventors

  • SHAN CHAOJIE

Assignees

  • 江苏普睿德环保工程有限公司

Dates

Publication Date
20260512
Application Date
20220523

Claims (5)

  1. 1. The air conditioning device comprises an indoor unit, wherein the indoor unit comprises a shell (1), a panel (2), a lining plate (3), a mounting seat (4), a heat exchanger (5), a centrifugal impeller (6), a motor (7) and an inlet current collector (8), the lower end face of the shell is connected with the panel, the inner side wall of the shell is connected with the lining plate in a fitting manner, the lower end face of the lining plate is connected with the panel, the mounting seat is arranged on the upper end face of the panel, a mounting groove is formed in the mounting seat, the heat exchanger is installed in the mounting groove, the other end of the heat exchanger is connected with the lining plate, the centrifugal impeller and the motor are installed in the shell, a driving shaft of the motor is connected with the centrifugal impeller, the centrifugal impeller comprises a rear cover plate (61), a blade and a front cover plate, the inlet current collector is installed at an air inlet of the front cover plate, the radial outer end of the inlet current collector is connected with the mounting seat, the rear cover plate comprises a first flat plate part (62), a conical part (63) and a second flat plate part (64) which are sequentially connected, the motor is installed in a space formed by a top wall of the shell and the conical part and the second flat plate part, a driving shaft of the motor is connected with the second flat plate part, and a plurality of first reflow holes (65) are arranged on the conical part. The centrifugal impeller is characterized in that a plurality of diversion cooling fins (71) are arranged on the peripheral surface of the motor, and the diversion cooling fins are obliquely arranged relative to the rotation axis of the centrifugal impeller; A plurality of rotary guide vanes (67, 68) are arranged on one side surface of the conical part adjacent to the motor, one or a plurality of second backflow holes (66) are arranged on the second flat plate part (64), the rotary guide vanes comprise a first guide vane (67) and a second guide vane (68), the plurality of first guide vanes and the plurality of second guide vanes are distributed along the circumferential direction of the conical part (63), the first guide vane is positioned on the radial inner side of the second guide vane, and a backflow accumulation cavity (Q) is formed between the lower end surface of the motor and the first guide vane and the second flat plate part; the joint of the first guide vane (67) and the second guide vane (68) has the smallest sealing clearance with the corner of the lower end of the motor, the height of the first guide vane (67) is larger than that of the second guide vane (68), and the height of the first guide vane is 1.8-2.5 times that of the second guide vane.
  2. 2. An air conditioning unit according to claim 1, characterized in that the deflector fins (71) are inclined straight along the outer peripheral surface of the motor or inclined in a spiral, the angle of inclination of the deflector fins with respect to the axis of rotation being 15 ° -75 °.
  3. 3. The air conditioning apparatus of claim 1, wherein the first air guide vane and the second air guide vane are integrally formed, and wherein the number of the first air guide vane and the number of the second air guide vane are equal.
  4. 4. The air-conditioning apparatus of claim 1, wherein the first air guide vane is provided separately from the second air guide vane, and the number of the first air guide vane is 0.4 to 0.8 times the number of the second air guide vane.
  5. 5. An air conditioning apparatus according to claim 3 or 4, characterized in that the plurality of guide fins (71) are uniformly or non-uniformly distributed along the outer peripheral surface of the motor, the second guide fin (68) is opposite to the inclination/rotation direction of the guide fin at the corresponding position, and the first guide fin (67) is opposite to or the same as the inclination/rotation direction of the guide fin at the corresponding position.

Description

Air conditioning device Technical Field The invention relates to the technical field of air conditioning systems, air conditioners and ventilation/air exchange, in particular to an air conditioning device. Background As shown in fig. 1, the existing air conditioning apparatus includes a wall-mounted/wall-mounted indoor unit, the indoor unit includes a housing, a panel, a liner plate, a mounting seat, a heat exchanger, a centrifugal impeller, a motor, and an inlet current collector, the lower end face of the housing is connected with the panel, the inner side wall of the housing is bonded with the liner plate, the lower end face of the liner plate is connected with the panel, the upper end face of the panel is provided with the mounting seat, a mounting groove is provided on the mounting seat, the heat exchanger is installed in the mounting groove, the other end of the heat exchanger is connected with the liner plate, the centrifugal impeller and the motor are installed in the housing, the driving shaft of the motor is connected with the centrifugal impeller, the centrifugal impeller includes a back cover plate, a blade and a front cover plate, the inlet current collector is installed at the air inlet of the front cover plate, the radial outer end of the inlet current collector is connected with the mounting seat, the back cover plate includes a first flat plate part, a taper part, a second flat plate part, the motor is installed in the space formed by the top wall of the housing and the second flat plate part, the driving shaft of the motor is connected with the second flat plate part, a plurality of first backflow holes are provided on the taper part, and the first backflow holes are used for back pressure flow. However, the existing back pressure air flow control structure of the indoor unit has great defects in the aspects of heat dissipation and vibration reduction. Disclosure of Invention The invention aims to overcome the defects in the prior art, and provides an air conditioning device, wherein a diversion radiating fin can cooperate with a rotary diversion fin to play a role in radiating heat of a motor, and plays a better role in promoting backflow of high-pressure air flow on the back side of a back cover plate through a backflow hole, so that the radiating effect of the motor can be enhanced, and the Heng Zhouxiang force is effectively flattened, so that vibration can be reduced. In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: The air conditioning device comprises an indoor unit, the indoor unit comprises a shell (1), a panel (2), a lining plate (3), a mounting seat (4), a heat exchanger (5), a centrifugal impeller (6), a motor (7) and an inlet current collector (8), the lower end face of the shell is connected with the panel, the inner side wall of the shell is connected with the lining plate in a fitting mode, the lower end face of the lining plate is connected with the panel, the mounting seat is provided with a mounting groove, the heat exchanger is installed in the mounting groove, the other end of the heat exchanger is connected with the lining plate, the centrifugal impeller and the motor are installed in the shell, a driving shaft of the motor is connected with the centrifugal impeller, the centrifugal impeller comprises a rear cover plate (61), blades and a front cover plate, the inlet current collector is installed at an air inlet of the front cover plate, the radial outer end of the inlet current collector is connected with the mounting seat, the rear cover plate comprises a first flat plate portion (62), a conical portion (63) and a second flat plate portion (64) which are sequentially connected, the motor is installed in a space formed by the top wall of the shell and the conical portion and the second flat plate portion, a plurality of first reflow motors (65) are arranged on the conical portion, and the plurality of cooling fins (68) are arranged on the conical portion, and are characterized in that the rotating fins (67) are arranged on the rotating faces and are adjacent to one side of the rotating fins and are arranged. Further, one or a plurality of second reflow holes (66) are formed in the second plate portion (64), the rotary guide plates (67, 68) comprise a first guide plate (67) and a second guide plate (68), the plurality of first guide plates and the plurality of second guide plates are distributed along the circumferential direction of the conical portion (63), the first guide plates are located on the radial inner side of the second guide plates, and a reflow accumulation cavity (Q) is formed between the lower end face of the motor (7) and the first guide plates and the second plate portion. Further, the guide radiating fins (71) are arranged in a straight inclined manner or in a spiral inclined manner along the peripheral surface of the motor, and the inclined angle of the guide radiating fins relative to the rotatio