Efficient energy-saving EC volute-free fan wall of fan unit of air conditioning unit

Abstract

The invention discloses an efficient and energy-saving EC volute-free fan wall of a fan unit of an air conditioning unit. The efficient and energy-saving EC volute-free fan wall comprises a fan wall body, a mounting opening and an EC fan. The EC fans on the front mounting plate and the rear mounting plate are embedded and clamped in the protruding box and the mounting opening, the EC fans on the front mounting plate and the rear mounting plate are mounted and fixed, the firmness and reliability of the EC fans on the front mounting plate and the rear mounting plate are improved, the vibration frequency of a toothed bar can be effectively reduced by matching with a spring rod, and the service life of the toothed bar is prolonged. Therefore, the phenomenon that the EC fan shakes and is damaged during operation is avoided; the EC fan can be quickly and simply disassembled and assembled by applying a simple structure of the toothed bar and the through hole, so that the adaptability of the front mounting plate and the rear mounting plate to the fan wall mounting is improved; according to the principle that hot air rises, heat flow is discharged and exchanged through the air outlet plate and the air outlet holes, air flow can be exchanged to the maximum extent to prevent the whole fan wall from being liquefied, dehumidification treatment is conducted on the fan wall, and the overall service life of the fan wall and the EC fan is effectively prolonged.

Description

Technical Field

[0001] The invention relates to the technical field of EC fan wind walls, in particular to an EC volute-free fan wall with high efficiency and energy saving 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. EC fans need to be installed on wind walls when in use so that they can be stably fixed. However, the EC fan wind walls on the market still have the following problems: the existing EC fan wind walls have a complex overall structure, which increases the layout cost and has a high vibration frequency during operation, which makes them prone to shaking and causing damage. The adaptability is poor and disassembly and assembly are more troublesome. EC fans are prone to generate a large amount of heat flow when running at high speed for a long time, which causes moisture to precipitate on the entire fan wall. The lack of a good dehumidification structure reduces 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, resulting in moisture precipitation 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, an installation port and an EC fan; the fan wall is provided with a plurality of installation ports arranged in an orderly manner, and a plurality of protruding boxes corresponding to the installation 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 installation port, a gear rod cavity corresponding to the downward pressure gear rod is provided at the upper end of the protruding box and the installation 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 through the inner lower end of the symmetrical gear rod cavity.

[0005] As a preferred solution for 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 a connecting belt is provided on the outer side of the driving wheel and the driven wheel.

[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 each provided with two sets of symmetrically arranged transverse gear rods, the lower ends of the protruding box and the mounting opening are each provided with a transverse gear rod cavity corresponding to the transverse gear rod, the lower end of the lower gear rod cavity is provided with a through-set gear cavity, and the gear cavities on both sides are symmetrically arranged.

[0007] As a preferred solution for the high-efficiency and energy-saving EC volute-free fan wall of the air-conditioning unit fan unit described in the present invention, the symmetrical gear cavity is provided with meshing gears inside, 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 sleeved 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 of the air-conditioning unit fan unit described in the present invention, wherein: the protruding box and the mounting opening on the fan wall are respectively installed with a front mounting plate and a rear mounting plate, and through holes corresponding to the downward pressure gear rod are opened on both sides of the upper end of the front mounting plate, and through holes corresponding to the transverse gear rod are opened on the lower sides of both ends of the rear mounting plate; and support rods are fixedly connected at the four corners on the inner sides of the front mounting plate and the rear mounting plate, the outer sides of the rear mounting plates are linearly connected to the driving motor, the inner sides of the rear mounting plates are arranged with EC fans, and an arc-shaped fan cavity is opened between the front mounting plate and the EC fan.

[0009] Beneficial effects of the present invention: The present invention is achieved by; 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, and 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, which is beneficial to improve 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 avoiding the phenomenon of shaking and damage to the EC fan during operation.

[0010] 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.

[0011] 3. When the fan wall is operating as a whole, the front panel uses staggered longitudinal and transverse cavities for gas convection, and based on the principle of hot air rising, heat flow is discharged and exchanged through the air outlet plate and the air outlet hole, which can maximize the exchange of airflow to prevent the fan wall from liquefying as a whole, dehumidify the fan wall, and effectively increase the overall service life of the fan wall and EC fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of an embodiment of the present disclosure.

[0013] Figure 2 It is a schematic diagram of the structure of the back side in the embodiment of the present disclosure.

[0014] Figure 3 It is a schematic diagram of the structure of the protruding box in the embodiment of the present disclosure.

[0015] Figure 4 Schematic diagram of the disassembled structure of the EC fan in the embodiment of the present disclosure.

[0016] Figure 5 It is a schematic structural diagram of a cross section in an embodiment of the present disclosure.

[0017] Figure 6 It is a schematic diagram of the structure at A in the embodiment of the present disclosure.

[0018] Figure 7 It is a schematic diagram of the assembly structure of the gear chamber and the gear in the embodiment of the present disclosure.

[0019] 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

[0020] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings. Example 1

[0021] Reference Figures 1 to 6The embodiment provides an energy-efficient EC volute-free fan wall for a fan unit of an air-conditioning unit, comprising a fan wall 1, an installation opening 11 and an EC fan 8; the fan wall 1 is provided with a plurality of orderly arranged installation openings 11, and the front end surface of the fan wall 1 is provided with a plurality of protruding boxes corresponding to the installation openings 11, 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 at the upper end of each protruding box, a plurality of air outlet holes 10 of equal spacing and size are provided on the air outlet plate 9, and a plurality of air outlet holes 10 of equal spacing and size are provided on the inner upper end of each protruding box and the upper end of each installation opening 11. There are two groups of symmetrically arranged downward pressure gear rods 13, and the upper ends of the protruding box and the mounting opening 11 are provided with gear rod cavities 15 corresponding to the downward pressure gear rods 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 gear cavity 18 that is arranged through, and the inside of the gear cavity 18 is provided with a meshing gear 21 that 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 the outer sides of the driving wheel 19 and the driven wheel are sleeved with a connecting belt 20. Example 2

[0022] Reference Figures 1 to 6 This embodiment is based on the previous embodiment, and differs from the previous embodiment in that two groups of symmetrically arranged transverse gear rods 14 are arranged at the inner lower end of the protruding box and the lower end of the mounting opening 11, and a transverse gear rod cavity 15 corresponding to the transverse gear rod 14 is opened at the lower end of the protruding box and the mounting opening 11, and a through gear cavity is opened at the lower end of the lower gear rod cavity 15, and the gear cavities on both sides are symmetrically arranged, and meshing gears are arranged inside the symmetrical gear cavities, and a driving wheel and a driven wheel are respectively arranged on the meshing gears in the symmetrical gear cavities, and a connecting belt is sleeved between the driving wheel and the driven wheel. Example 3

[0023] Reference Figures 1 to 6 This embodiment is based on the previous embodiment, and is different 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 ends of the front mounting plate 4 are provided with through holes 17 corresponding to the downward pressure gear rod 13, 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 driving 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 opened between the front mounting plate 4 and the EC fan 8.

[0024] The working principle of the present invention is: the EC fan 8 on the front mounting plate 4 and the rear mounting plate 2 is embedded and clamped on the protruding box and the mounting opening 11, and 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 gear 21 rotates, the pressing gear rod 13 and the cross gear rod 14 are moved into the through hole 17, and the EC fan 8 on the front mounting plate 4 and the rear mounting plate 2 is installed and fixed, which is beneficial to improve the firmness and reliability of the EC fan 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 may cause 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 according to the principle of hot air rising, the heat flow is discharged and exchanged through the air outlet plate 9 and the air outlet 10, 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 air conditioner fan unit high-efficiency energy-saving EC volute-free fan wall, 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 protruding from the front end surface 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 at 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 groups of symmetrically arranged downward pressure gear rods (13) are provided at the inner upper end of each protruding box and the upper end of each mounting opening (11), a gear rod cavity (15) corresponding to the downward pressure gear rod (13) is provided at the upper end of each protruding box and the mounting opening (11), a spring rod (16) is fixedly connected to the inner top end of each gear rod cavity (15) and the downward pressure gear rod (13), and a gear cavity (18) arranged through each gear rod cavity (15) is provided at the inner lower end of each symmetrical gear rod cavity (15).

2. The high-efficiency and energy-saving EC volute-free fan wall for the fan unit of the air-conditioning unit according to claim 1, characterized in that: The gear chamber (18) is provided with a meshing gear (21) meshing with the downward pressure gear rod (13), and the meshing gears (21) in the symmetrical gear chamber (18) are 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).

3. The high-efficiency and energy-saving EC volute-free fan wall for the fan unit of the air-conditioning unit according to claim 1, characterized in that: The inner lower end of the protruding box and the lower end of the mounting opening (11) are both provided with two groups of symmetrically arranged transverse gear rods (14); the lower ends of the protruding box and the mounting opening (11) are both provided with transverse gear rod cavities (15) arranged corresponding to the transverse gear rods (14); and the lower ends of the lower gear rod cavities (15) are both provided with gear cavities arranged through them.

4. The high-efficiency and energy-saving EC volute-free fan wall for the fan unit of the air-conditioning unit according to claim 3, characterized in that: The gear cavities on both sides are symmetrically arranged, meshing gears are arranged inside the symmetrical gear cavities, a driving wheel and a driven wheel are arranged on the meshing gears in the symmetrical gear cavities, and a connecting belt is sleeved between the driving wheel and the driven wheel.

5. The high-efficiency and energy-saving EC volute-free fan wall for the fan unit of the air-conditioning unit according to claim 1, characterized in that: The protruding box and the mounting opening (11) on the fan wall (1) are respectively mounted with a front mounting plate (4) and a rear mounting plate (2), and through holes (17) corresponding to the lower pressure gear rod (13) are provided on both sides of the upper end of the front mounting plate (4).

6. The high-efficiency and energy-saving EC volute-free fan wall for the fan unit of the air-conditioning unit according to claim 5, characterized in that: Through holes corresponding to the transverse toothed rods (14) are transversely opened on the lower sides of both ends of the rear mounting plate (2); and support rods (12) are fixedly connected at the four inner corners of the front mounting plate (4) and the rear mounting plate (2).

7. The high-efficiency and energy-saving EC volute-free fan wall for the fan unit of the air-conditioning unit according to claim 5, characterized in that: The outer sides of the rear mounting plates (2) are linearly connected to drive motors (3), the inner sides of the rear mounting plates (2) are provided with EC fans (8), and an arc-shaped fan cavity (5) is provided between the front mounting plates (4) and the EC fans (8).

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