An air-conditioning unit fan unit with high efficiency and energy saving EC volute-free fan wall

Abstract

The present invention discloses an efficient and energy-saving EC volute-free fan wall for a fan unit of an air-conditioning unit, comprising a fan wall, a mounting port and an EC fan. The EC fans on the front mounting plate and the rear mounting plate are embedded and clamped on the protruding box and the mounting port, and the EC fans on the front mounting plate and the rear mounting plate are mounted and fixed, which is beneficial to improving the firmness and reliability of the EC fans on the front mounting plate and the rear mounting plate. The spring rod can effectively reduce the vibration frequency of the gear rod, thereby avoiding the phenomenon of shaking and damage of the EC fan during operation. The simple gear rod and through-hole structure can be used to quickly and easily disassemble and assemble the EC fan, thereby improving the adaptability of the front mounting plate and the rear mounting plate to the fan wall installation. According to the principle that hot air rises, heat flow is discharged and exchanged through the air outlet plate and the air outlet, which can maximize the exchange of air flow to prevent the air flow liquefaction of the fan wall as a whole, dehumidify the fan wall, and effectively improve the overall service life of the fan wall and the EC fan.

Description

Technical Field

[0001] The present invention relates to the technical field of EC fan wind walls, in particular to a high-efficiency and energy-saving EC volute-free fan wall for a fan unit of an air-conditioning unit. Background Art

[0002] EC fans refer to centrifugal fans that use digital brushless DC external rotor motors or centrifugal fans that use EC motors. When in use, EC fans need to be installed on wind walls to facilitate stable fixation. However, EC fan wind walls currently on the market still have the following problems: the overall structure of existing EC fan wind walls is complex, resulting in increased layout costs, and the high vibration frequency during operation makes it easy to shake and cause damage. The adaptability is poor and disassembly and assembly are more difficult. EC fans are prone to generating a large amount of heat flow when running at high speed for a long time, causing moisture to precipitate on the entire fan wall. The lack of a good dehumidification structure shortens the service life of the fan wall. Summary of the Invention

[0003] The technical problem to be solved by the present invention is that the existing EC fan wind wall structure is complex, resulting in increased layout costs and high vibration frequency during operation; the EC fan is prone to generate a large amount of heat flow under long-term high-speed operation, causing moisture to precipitate on the entire fan wall.

[0004] To solve the above technical problems, the present invention provides the following technical solutions: an air-conditioning unit fan unit high-efficiency and energy-saving EC volute-free fan wall, comprising a fan wall, a mounting port and an EC fan; the fan wall is provided with a plurality of mounting ports arranged in an orderly manner, and a plurality of protruding boxes corresponding to the mounting ports are protruding from the front end surface of the fan wall, a plurality of longitudinal cavities and transverse cavities are provided between the fan wall and the plurality of protruding boxes, and an air outlet plate is provided at the upper end of the protruding box, a plurality of air outlet holes of equal spacing are provided on the air outlet plate, two groups of symmetrically arranged downward pressure gear rods are provided at the inner upper end of the protruding box and the upper end of the mounting port, a gear rod cavity corresponding to the downward pressure gear rod is provided at the upper end of the protruding box and the mounting port, a spring rod is fixedly connected to the inner top end of the gear rod cavity and the downward pressure gear rod, and a gear cavity is provided at the inner lower end of the symmetrical gear rod cavity.

[0005] As a preferred solution of the high-efficiency and energy-saving EC volute-free fan wall of the air-conditioning unit fan unit described in the present invention, the interior of the gear cavity is provided with meshing gears that are meshed with the downward pressure gear rod, and the meshing gears in the symmetrical gear cavity are respectively provided with a driving wheel and a driven wheel, and the outer sides of the driving wheel and the driven wheel are provided with a connecting belt.

[0006] As a preferred solution of the high-efficiency and energy-saving EC volute-free fan wall of the air-conditioning unit fan unit described in the present invention, wherein: the inner lower end of the protruding box and the lower end of the mounting opening are both provided with two sets of symmetrically arranged transverse gear rods, and the lower ends of the protruding box and the mounting opening are both provided with transverse gear rod cavities corresponding to the transverse gear rods, and the lower ends of the lower gear rod cavities are both provided with through-set gear cavities, and the gear cavities on both sides are symmetrically arranged.

[0007] As a preferred solution of the high-efficiency and energy-saving EC volute-free fan wall of the air-conditioning unit fan unit described in the present invention, the interior of the symmetrical gear cavity is provided with meshing gears, and the meshing gears in the symmetrical gear cavity are respectively provided with a driving wheel and a driven wheel, and a connecting belt is provided between the driving wheel and the driven wheel.

[0008] As a preferred solution of the high-efficiency and energy-saving EC volute-free fan wall for the fan unit of the air-conditioning unit described in the present invention, wherein: the protruding box and the mounting port on the fan wall are respectively installed with a front mounting plate and a rear mounting plate, and the upper end of the front mounting plate is provided with through holes corresponding to the downward pressure gear rod on both sides, and the lower sides of both ends of the rear mounting plate are transversely provided with through holes corresponding to the transverse gear rod; and the four corners on the inner sides of the front mounting plate and the rear mounting plate are fixedly connected with support rods, the outer sides of the rear mounting plates are linearly connected with the drive motor, the inner sides of the rear mounting plates are provided with EC fans, and an arc-shaped fan cavity is provided between the front mounting plate and the EC fan.

[0009] Beneficial effects of the present invention: The present invention is achieved by;

[0010] 1. The EC fans on the front and rear mounting plates are embedded and clamped on the protruding box and the mounting opening. The motor at the rear end of the starting driving wheel drives the driving wheel to rotate, and then drives the driven wheel to rotate through the connecting belt, so that the symmetrical meshing gears rotate. The downward pressure gear rod and the cross gear rod are moved into the through hole, and the EC fans on the front and rear mounting plates are installed and fixed. This is beneficial to improving the firmness and reliability of the EC fans on the front and rear mounting plates. The spring rod can effectively reduce the vibration frequency of the gear rod, thereby preventing the EC fan from shaking and causing damage during operation.

[0011] 2. The simple gear rod and through-hole structure can quickly and easily disassemble and assemble the EC fan, improving the compatibility of the front and rear mounting plates with the fan wall installation.

[0012] 3. When the fan wall is operating as a whole, the front panel uses staggered longitudinal and transverse cavities for gas convection. According to the principle that hot air rises, heat flow is discharged and exchanged through the air outlet plate and air outlet. This can maximize the exchange of air flow and prevent the fan wall from liquefying as a whole. It dehumidifies the fan wall and effectively increases the overall service life of the fan wall and EC fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 Schematic diagram of the structure of an embodiment of the present disclosure.

[0014] Figure 2 It is a structural schematic diagram of the back side in the embodiment of the present disclosure.

[0015] Figure 3 Schematic diagram of the structure of the protruding box in the embodiment of the present disclosure.

[0016] Figure 4 Schematic diagram of the disassembled structure of the EC fan in the embodiment of the present disclosure.

[0017] Figure 5 It is a schematic structural diagram of a cross section in an embodiment of the present disclosure.

[0018] Figure 6 Schematic diagram of the structure of point A in the embodiment of the present disclosure.

[0019] Figure 7 Schematic diagram of the assembly structure of the gear cavity and the gear in the embodiment of the present disclosure.

[0020] Figure numerals: 1-fan wall, 2-rear mounting plate, 3-drive motor, 4-front mounting plate, 5-fan cavity, 6-longitudinal cavity, 7-transverse cavity, 8-EC fan, 9-air outlet plate, 10-air outlet hole, 11-installation port, 12-support rod, 13-downward pressure gear rod, 14-crossing gear rod, 15-gear rod cavity, 16-spring rod, 17-through hole, 18-gear cavity, 19-driving wheel, 20-connecting belt, 21-meshing gear. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings. Example 1

[0022] Reference Figures 1 to 6This embodiment provides an air-conditioning unit fan unit high-efficiency energy-saving EC volute-free fan wall, including a fan wall 1, a mounting port 11 and an EC fan 8; the fan wall 1 is provided with a plurality of mounting ports 11 arranged in an orderly manner, and the front end surface of the fan wall 1 protrudes with a plurality of protruding boxes corresponding to the mounting ports 11, and a plurality of longitudinal cavities 6 and transverse cavities 7 are provided between the fan wall 1 and the plurality of protruding boxes, and the upper end of the protruding boxes is provided with an air outlet plate 9, and the air outlet plate 9 is provided with a plurality of air outlet holes 10 of equal spacing, and the inner upper end of the protruding box and the upper end of the mounting port 11 are both provided with There are two groups of symmetrically arranged downward pressure gear rods 13, and the upper ends of the protruding box and the mounting port 11 are respectively provided with gear rod cavities 15 arranged corresponding to the downward pressure gear rod 13. The inner top end of the gear rod cavity 15 and the downward pressure gear rod 13 are fixedly connected with a spring rod 16, and the inner lower end of the symmetrical gear rod cavity 15 is provided with a through gear cavity 18. The interior of the gear cavity 18 is provided with a meshing gear 21 which is meshed with the downward pressure gear rod 13. The meshing gears 21 in the symmetrical gear cavity 18 are respectively provided with a driving wheel 19 and a driven wheel, and a connecting belt 20 is provided on the outer side of the driving wheel 19 and the driven wheel. Example 2

[0023] Reference Figures 1 to 6 This embodiment is based on the previous embodiment, and differs from the previous embodiment in that: two sets of symmetrically arranged transverse gear rods 14 are provided at the lower inner end of the protruding box and the lower end of the installation opening 11, and the lower ends of the protruding box and the installation opening 11 are provided with transverse gear rod cavities 15 corresponding to the transverse gear rods 14, and the lower ends of the lower gear rod cavities 15 are provided with through-set gear cavities, and the gear cavities on both sides are symmetrically arranged, and meshing gears are provided inside the symmetrical gear cavities, and the meshing gears in the symmetrical gear cavities are respectively provided with a driving wheel and a driven wheel, and a connecting belt is provided between the driving wheel and the driven wheel. Example 3

[0024] Reference Figures 1 to 6 This embodiment is based on the previous embodiment, and differs from the previous embodiment in that: the protruding box and the mounting opening 11 on the fan wall 1 are respectively installed with the front mounting plate 4 and the rear mounting plate 2, and the upper end of the front mounting plate 4 is provided with through holes 17 corresponding to the downward pressure gear rod 13 on both sides, and the lower sides of both ends of the rear mounting plate 2 are transversely provided with through holes corresponding to the cross gear rod 14; and the four corners on the inner sides of the front mounting plate 4 and the rear mounting plate 2 are fixedly connected with support rods 12, the outer sides of the rear mounting plate 2 are linearly connected with the drive motor 3, the inner sides of the rear mounting plate 2 are provided with EC fans 8, and an arc-shaped fan cavity 5 is provided between the front mounting plate 4 and the EC fan 8.

[0025] The working principle of the present invention is as follows: the EC fans 8 on the front mounting plate 4 and the rear mounting plate 2 are embedded and clamped on the protruding box and the mounting opening 11, the motor at the rear end of the starting driving wheel 19 drives the driving wheel to rotate and then drives the driven wheel to rotate through the connecting belt, so that the symmetrical meshing gears 21 rotate, the lower pressure gear rod 13 and the cross gear rod 14 are moved into the through hole 17, and the EC fans 8 on the front mounting plate 4 and the rear mounting plate 2 are installed and fixed, which is beneficial to improving the firmness and reliability of the EC fans 8 on the front mounting plate 4 and the rear mounting plate 2, and the spring rod 16 can effectively reduce the vibration frequency of the gear rod, thereby avoiding the EC fan 8 The shaking during operation causes damage. The simple gear rod and through-hole 17 structure can be used to quickly and easily disassemble and assemble the EC fan 8, thereby improving the compatibility of the front mounting plate 4 and the rear mounting plate 2 with the fan wall 1. When the fan wall 1 is operating as a whole, the front mounting plate 4 uses the staggered longitudinal cavity 6 and the transverse cavity 7 for gas convection, and then the heat flow is discharged and exchanged through the air outlet plate 9 and the air outlet 10 according to the principle of hot air rising, which can maximize the exchange of airflow to prevent the fan wall 1 from liquefying as a whole, dehumidify the fan wall 1, and effectively increase the overall service life of the fan wall 1 and the EC fan 8.

Claims

1. An energy-efficient EC volute-less fan wall for a fan unit of an air-conditioning unit, comprising a fan wall (1), a mounting opening (11) and an EC fan (8); characterized in that: The fan wall (1) is provided with a plurality of mounting openings (11) arranged in an orderly manner, and a plurality of protruding boxes corresponding to the mounting openings (11) are protruded from the front face of the fan wall (1), a plurality of longitudinal cavities (6) and transverse cavities (7) are provided between the fan wall (1) and the plurality of protruding boxes, and an air outlet plate (9) is provided on the upper end of each protruding box, and a plurality of air outlet holes (10) of equal spacing are provided on the air outlet plate (9), two sets of symmetrically arranged downward pressure gear rods (13) are provided on the inner upper end of each protruding box and the upper end of each mounting opening (11), and a plurality of symmetrically arranged downward pressure gear rods (13) are provided on the upper end of each protruding box and the upper end of each mounting opening (11). The gear rod (13) is provided with a gear rod cavity (15) corresponding to the gear rod (13), the inner top end of the gear rod cavity (15) and the downward gear rod (13) are fixedly connected with a spring rod (16), and the inner lower end of the symmetrical gear rod cavity (15) is provided with a gear cavity (18) provided therethrough; the interior of the gear cavity (18) is provided with a meshing gear (21) meshed with the downward gear rod (13), and the meshing gear (21) in the symmetrical gear cavity (18) is provided with a driving wheel (19) and a driven wheel, respectively, and the outer sides of the driving wheel (19) and the driven wheel are provided with a connecting belt (20); the inner lower end of the protruding box is connected to the gear rod (13) The lower end of the mounting opening (11) is provided with two sets of symmetrically arranged transverse gear rods (14), the lower ends of the protruding box and the mounting opening (11) are provided with transverse gear rod cavities (15) corresponding to the transverse gear rods (14), and the lower ends of the lower gear rod cavities (15) are provided with through-set gear cavities; the gear cavities on both sides are symmetrically arranged, and meshing gears are provided inside the symmetrical gear cavities, and the meshing gears in the symmetrical gear cavities are respectively provided with a driving wheel and a driven wheel, and a connecting belt is provided between the driving wheel and the driven wheel; the protruding box and the mounting opening (11) on the fan wall (1) are respectively provided with front-mounted gears. The front plate (4) and the rear plate (2) are provided with through holes (17) corresponding to the downward pressure gear rod (13) on both sides of the upper end of the front plate (4); through holes corresponding to the horizontal gear rod (14) are provided on the lower sides of both ends of the rear plate (2); and the four inner corners of the front plate (4) and the rear plate (2) are fixedly connected with support rods (12); the outer sides of the rear plate (2) are linearly connected with the drive motor (3), the inner side of the rear plate (2) is provided with an EC fan (8), and an arc-shaped fan cavity (5) is provided between the front plate (4) and the EC fan (8).

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