Green building ventilator

Abstract

The invention discloses a green building ventilator, which belongs to the field of green buildings and comprises a volute, an output shaft, centrifugal fan blades, an air outlet, an air inlet pipeline structure, a power motor and a detachable sealing structure. The power motor drives the output shaft to rotate, then the centrifugal fan blades are driven to rotate, then air in the volute is exhausted from the air outlet under the action of the centrifugal fan blades, meanwhile, external air is sucked in through the air inlet pipeline structure, and the power motor is located in the air inlet pipeline structure, so that the external air can cool the power motor; and when cleaning is needed, the shell is detached from the detachable sealing structure, and the outer surface of the power motor in the air inlet pipeline structure is cleaned.

Description

Technical Field

[0001] The invention relates to the field of green buildings, in particular to a green building ventilator. Background Art

[0002] Ventilators are often used inside buildings to ventilate and keep the air dry, ensure good air quality, and improve people's work efficiency and living comfort. The use of ventilators is relatively common, and there are also various problems that come with it. For example, dust easily accumulates on the outer surface of the ventilator motor. When dust enters the motor, it affects the normal operation of the motor, and in severe cases, it can even cause damage to the motor.

[0003] In the prior art, the green building ventilator with patent announcement number CN219829042U includes a motor and a housing, the housing is provided with ventilation holes, the motor is provided with at least one dust removal mechanism, the housing is also connected with a cooling air duct, and the air outlet of the cooling air duct is directed to at least one dust removal mechanism. By combining the two methods of blowing dust removal and cleaning brush dust removal, the dust removal effect is effectively improved.

[0004] The above technical solution solves the problems raised in the above background technology to a certain extent. However, the above technical solution adopts a method of installing a pipe perpendicular to the centrifugal fan casing on the casing of the centrifugal fan, and uses the pipe to supply air to the motor to dissipate the heat of the motor. However, the pipe perpendicular to the centrifugal fan is difficult to discharge the airflow along the tangential direction of the centrifugal fan casing relative to the centrifugal fan outlet, so the heat dissipation effect on the motor is limited. Summary of the invention

[0005] The purpose of the present invention is to solve the problems raised in the background technology and to design a green building ventilator.

[0006] To achieve the above-mentioned purpose, the technical solution of the present invention is a green building ventilator, comprising a volute, an output shaft, centrifugal blades, an air outlet, an air inlet duct structure, a power motor, and a detachable sealing structure. The output shaft is rotatably installed in the volute, the output shaft in the volute is fixedly sleeved with centrifugal blades, the volute is installed with an air outlet, the air inlet duct structure is installed at the center of the volute, the power motor is installed in the air inlet duct structure, a gap is left between the power motor and the inner wall of the air inlet duct structure, a detachable sealing structure is provided at the outer end of the air inlet duct structure, and the output end of the power motor is connected to the output shaft.

[0007] Furthermore, the air inlet duct structure includes an inner air inlet duct, a motor barrel, a support frame, and an outer air inlet duct, the inner air inlet duct is installed at the center of the volute, the outer end of the inner air inlet duct is fixedly installed with a motor barrel, the motor barrel is a cylindrical structure with an inner diameter larger than the power motor, a plurality of support frames are installed on the outer side of the inner wall of the motor barrel, the inner side of the support frame is fixedly connected to the power motor, the outer end of the support frame is installed with an outer air inlet duct, a gap is left between the outer air inlet duct and the outer end of the motor, and the detachable sealing structure covers the open area between the motor barrel and the outer air inlet duct.

[0008] Furthermore, the detachable sealing structure is an annular cover, which is a barrel-shaped structure with a hole at the bottom having the same outer diameter as the external air inlet pipe. The opening of the annular cover is sleeved on the external air inlet pipe and the outer side of the barrel inner wall of the annular cover is sleeved outside the motor barrel.

[0009] Furthermore, the outer end of the support frame contacts the bottom of the barrel-shaped structure of the annular cover.

[0010] Furthermore, the annular cover and the motor barrel are connected by bolts.

[0011] Beneficial effects:

[0012] The present invention provides a green building ventilator with the following beneficial effects. Through its structural design, the device drives the output shaft to rotate through the power motor, thereby driving the centrifugal fan blades to rotate, and then the air in the volute is discharged from the air outlet under the action of the centrifugal fan blades, and at the same time the outside air is sucked in through the air inlet duct structure. Since the power motor is located inside the air inlet duct structure, the outside air can cool down the power motor. When cleaning is required, the detachable sealing structure is removed from the casing to clean the outer surface of the power motor in the air inlet duct structure, thereby solving the problem of poor heat dissipation effect of the motor in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the green building ventilator of the present invention;

[0014] Figure 2 It is a schematic structural diagram of the annular cover of the green building ventilator of the present invention in a removed state;

[0015] Figure 3 It is a schematic cross-sectional structural diagram of the green building ventilator of the present invention.

[0016] In the figure, 1. volute; 2. output shaft; 3. centrifugal fan blades; 4. air outlet; 5. power motor; 6. inner air inlet duct; 7. motor barrel; 8. support frame; 9. outer air inlet duct; 10. annular cover. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] In the description of the present invention, it should be noted that the terms "upper / lower end", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and 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 therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "setting / sleeving", "sleeve connection", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] See also Figure 1-3 The present invention provides a technical solution: a green building ventilator, comprising a volute 1, an output shaft 2, centrifugal blades 3, an air outlet 4, an air inlet duct structure, a power motor 5, and a detachable sealing structure. The output shaft 2 is rotatably installed in the volute 1, the centrifugal blades 3 are fixedly mounted on the output shaft 2 in the volute 1, the air outlet 4 is installed on the volute 1, an air inlet duct structure is installed at the center of the volute 1, a power motor 5 is installed in the air inlet duct structure, a gap is left between the power motor 5 and the inner wall of the air inlet duct structure, a detachable sealing structure is provided at the outer end of the air inlet duct structure, and the output end of the power motor 5 is connected to the output shaft 2.

[0021] In the present invention, the air inlet duct structure includes an inner air inlet duct 6, a motor barrel 7, a support frame 8, and an outer air inlet duct 9. The inner air inlet duct 6 is installed at the center position of the volute 1. The motor barrel 7 is fixedly installed on the outer end of the inner air inlet duct 6. The motor barrel 7 is a cylindrical structure with an inner diameter larger than the power motor 5. A plurality of support frames 8 are installed on the outer side of the inner wall of the motor barrel 7. The inner side of the support frame 8 is fixedly connected to the power motor 5. The outer end of the support frame 8 is installed with an outer air inlet duct 9. A gap is left between the outer air inlet duct 9 and the outer end of the motor. A detachable sealing structure covers the open area between the motor barrel 7 and the outer air inlet duct 9. When in use, air is introduced through the outer air inlet duct 9. The air passes through the gap between the motor barrel 7 and the power motor 5 to cool the power motor 5 and then enters the volute 1 through the inner air inlet duct 6.

[0022] In the present invention, the detachable sealing structure is an annular cover 10, which is a barrel-shaped structure with a hole with the same outer diameter as the external air inlet pipe 9 at the bottom. The opening of the annular cover 10 is sleeved on the external air inlet pipe 9 and the outer side of the barrel inner wall of the annular cover 10 is sleeved on the motor barrel 7. When cleaning is required, the annular cover 10 is pulled outward to leak out the power motor 5, thereby facilitating the cleaning of the power motor 5 without removing the external air inlet pipe 9.

[0023] In the present invention, the outer end of the support frame 8 contacts the bottom of the barrel-shaped structure of the annular cover 10, and the support frame 8 can limit the inward movement of the annular cover 10, thereby playing a limiting role.

[0024] In the present invention, the annular cover 10 and the motor barrel 7 are connected by bolts, thereby facilitating the disassembly of the annular cover 10 .

[0025] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and a suitable controller should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process, and no longer explains the electrical control.

[0026] In this embodiment:

[0027] During operation, the output shaft 2 is driven to rotate by the power motor 5, which in turn drives the centrifugal blades 3 to rotate. Under the action of the centrifugal blades 3, the air in the volute 1 is discharged from the air outlet 4, and at the same time, the outside air is sucked in through the air inlet duct structure. Since the power motor 5 is located inside the air inlet duct structure, the outside air can cool down the power motor 5. When cleaning is required, the detachable sealing structure is removed from the casing to clean the outer surface of the power motor 5 in the air inlet duct structure.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A green building ventilator, comprising a volute (1), an output shaft (2), centrifugal blades (3), an air outlet (4), an air inlet duct structure, a power motor (5), and a detachable sealing structure, wherein the output shaft (2) is rotatably mounted in the volute (1), the centrifugal blades (3) are fixedly mounted on the output shaft (2) in the volute (1), and the air outlet (4) is mounted on the volute (1), characterized in that: An air inlet duct structure is installed at the center of the volute (1), a power motor (5) is installed in the air inlet duct structure, a gap is left between the power motor (5) and the inner wall of the air inlet duct structure, a detachable sealing structure is provided at the outer end of the air inlet duct structure, and the output end of the power motor (5) is connected to the output shaft (2).

2. The green building ventilator according to claim 1, characterized in that: The air inlet duct structure comprises an inner air inlet duct (6), a motor barrel (7), a support frame (8), and an outer air inlet duct (9); the inner air inlet duct (6) is installed at the center of the volute (1); the outer end of the inner air inlet duct (6) is fixedly installed with the motor barrel (7); the motor barrel (7) is a cylindrical structure with an inner diameter greater than that of the power motor (5); a plurality of support frames (8) are installed on the outer side of the inner wall of the motor barrel (7); the inner side of the support frame (8) is fixedly connected to the power motor (5); the outer end of the support frame (8) is installed with the outer air inlet duct (9); a gap is left between the outer air inlet duct (9) and the outer end of the motor; the detachable sealing structure covers the open area between the motor barrel (7) and the outer air inlet duct (9).

3. The green building ventilator according to claim 2, characterized in that: The detachable sealing structure is an annular cover (10), which is a barrel-shaped structure with a hole having the same outer diameter as the outer air inlet pipe (9) at the bottom. The opening of the annular cover (10) is sleeved on the outer air inlet pipe (9), and the outer side of the barrel inner wall of the annular cover (10) is sleeved outside the motor barrel (7).

4. The green building ventilator according to claim 3, characterized in that: The outer end of the support frame (8) contacts the bottom of the barrel-shaped structure of the annular cover (10).

5. The green building ventilator according to claim 3, characterized in that: The annular cover (10) and the motor barrel (7) are connected via bolts.

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