阅读说明：本技术 一种低噪声外转子轴流风机 (Low-noise outer rotor axial flow fan ) 是由 吕波 于 2020-04-29 设计创作，主要内容包括：本发明公开了一种低噪声外转子轴流风机,包括支座以及固定在底座上端面对物体起支撑作用的风机本体,包括固定在风机本体内壁上用于带动气流流动的吹风装置、设置在支座内壁上用于对物体进行冷却的风冷装置和固定在风机本体内壁上用于对气流进行加热的加热装置,解决了当电机温度过高时,会导致电机的使用寿命减短的问题,同时后续对一些食材进行烘干时,烘干的速度降低的问题进行解决。(The invention discloses a low-noise axial flow fan with an outer rotor, which comprises a support and a fan body, wherein the fan body is fixed on the upper end of a base and plays a role in supporting an object, the fan body comprises a blowing device, an air cooling device and a heating device, the blowing device is fixed on the inner wall of the fan body and is used for driving airflow to flow, the air cooling device is arranged on the inner wall of the support and is used for cooling the object, and the heating device is fixed on the inner wall of the fan body and is used for heating the airflow.)

1. A low-noise axial flow fan with an outer rotor comprises a support (1) and a fan body (2) which is fixed on the upper end face of a base and plays a supporting role on an object, and is characterized by comprising a blowing device (3) which is fixed on the inner wall of the fan body (2) and used for driving airflow to flow, an air cooling device (4) which is arranged on the inner wall of the support (1) and used for cooling the object, and a heating device (5) which is fixed on the inner wall of the fan body (2) and used for heating the airflow, wherein the air cooling device (4) comprises a supporting block (6) which is fixed on the inner wall of the fan body (2) and used for supporting the object, a double-shaft motor (7) which is fixed on the upper end face of the supporting block (6) and used for driving the object to rotate is fixed on an output shaft of the double-shaft motor (7), a first rotating rod (8) is fixed on the, another be fixed with bull stick two (10) on the lateral wall of bevel gear one (9), be fixed with on the inner wall of fan body (2) and carry out bearing one (11) of fixing a position to bull stick two (10), be provided with rotation fit's bull stick three (12) in support (1), the one end of bull stick two (10) is fixed with and is used for driving bull stick three (12) pivoted straight-teeth gear one (13), be provided with rotation fit's bull stick four (14) in support (1), the one end of bull stick three (12) is fixed with and is used for driving bull stick four (14) pivoted bevel gear two (15), the lower terminal surface of support (1) runs through has exhaust vent (16) that is used for the air current to flow, be provided with bull stick five (17) in exhaust vent (16), the one end of bull stick four (14) is fixed with and is used for driving bull stick five (17) pivoted bevel gear three (18), a support plate (19) is fixed on the inner wall of the air outlet (16), a second bearing (20) used for positioning a fifth rotating rod (17) is fixed on the inner wall of the support plate (19), a first fan (21) used for driving airflow to flow is fixed at one end of the fifth rotating rod (17), and a first filter screen (22) used for filtering the airflow is fixed in the air outlet (16).

2. The low-noise axial flow fan with the outer rotor as recited in claim 1, wherein the blowing device (3) comprises a second fan (23) arranged in the fan body (2), and the other output shaft of the dual-shaft motor (7) is fixedly matched with the second fan (23), and first positioning plates (24) for positioning the second fan (23) are symmetrically fixed in the fan body (2).

3. The low-noise axial flow fan with the outer rotor as recited in claim 1, wherein the heating device (5) comprises a second filter screen (25) disposed in the fan body (2) and a first fixing plate (26) symmetrically fixed on an inner wall of one end of the fan body (2) for fixing the second filter screen (25), a first heating pipe (27) for heating the first fixing plate (26) is fixed on the inner wall of the first fixing plate (26), a third filter screen (28) is disposed on an inner wall of the fan body (2) far away from the first fixing plate (26), and a second fixing plate (29) for positioning the third filter screen (28) is fixed on an inner wall of the fan body (2) far away from the first fixing plate (26).

4. The low-noise axial flow fan with the outer rotor as recited in claim 1, wherein a ring (30) for moving the fan body (2) is fixed to an upper end surface of the fan body (2).

5. A low noise axial flow fan with external rotor as claimed in claim 1, wherein the side wall of the fan body (2) is provided with a first hinged door (31) for the staff to open the fan body (2).

6. A low noise axial flow fan with external rotor as claimed in claim 1, characterized in that the lower end surface of the support (1) is provided with a support leg (32) for supporting the support (1), and the support leg (32) is screw-fitted with the support (1).

7. The low-noise axial flow fan with the outer rotor is characterized in that universal wheels (33) convenient for workers to support the fan (1) are fixed on the lower end face of the support (1).

8. The low-noise axial flow fan with the external rotor as recited in claim 1, wherein a protective shell (35) for protecting the biaxial motor (7) is fixed on a side wall of the biaxial motor (7), and soundproof cotton (34) for preventing noise is fixed on an inner wall of the protective shell (35).

Technical Field

The invention relates to the field of axial flow fan equipment, in particular to a low-noise outer rotor axial flow fan.

Background

The axial flow fan has a very wide application, namely, the axial flow fan and the fan blade have the same direction of air flow, such as an electric fan, and an air conditioner outer machine fan is an axial flow type running fan. The "axial flow" is so called because the gas flows parallel to the fan axis. Axial flow fans are typically used in applications where flow requirements are high and pressure requirements are low. The axial fan fixes the position and moves the air. The axial flow fan mainly comprises a fan impeller and a casing, and is simple in structure but high in data requirement.

Traditional axial fan is at the in-process of long-term operation, and when the motor in the fan was in the state of operation for a long time, the problem that generates heat can appear in the motor in the fan, when motor temperature was too high, can lead to the life of motor to subtract the weak point, and when the fan was dried some edible materials simultaneously, because the fan drove the normal atmospheric temperature and dries, when leading to follow-up edible material to dry, the speed of drying reduced.

Disclosure of Invention

The invention aims to provide a low-noise axial flow fan with an outer rotor, which solves the problem that the service life of a motor is shortened when the temperature of the motor is too high, and simultaneously solves the problem that the drying speed is reduced when some food materials are dried subsequently.

The technical purpose of the invention is realized by the following technical scheme:

a low-noise axial flow fan with an outer rotor comprises a support, a fan body and a heating device, wherein the fan body is fixed on the upper end face of a base and plays a supporting role on an object, the fan body comprises a blowing device, an air cooling device and a heating device, the blowing device is fixed on the inner wall of the fan body and is used for driving airflow to flow, the air cooling device is arranged on the inner wall of the support and is used for cooling the object, the heating device is fixed on the inner wall of the fan body and is used for heating the airflow, the air cooling device comprises a supporting block, the supporting block is fixed on the inner wall of the fan body and is used for supporting the object, a double-shaft motor is fixed on the upper end face of the supporting block and is used for driving the object to rotate, a rotating rod I is fixed on an output shaft of the double-shaft motor, a bevel gear I which is meshed with the rotating rod I is fixed, the one end of bull stick two is fixed with and is used for driving bull stick three pivoted spur gear one, be provided with rotatory complex bull stick four in the support, the one end of bull stick three is fixed with and is used for driving bull stick four pivoted bevel gear two, the lower terminal surface of support runs through and has the exhaust vent that is used for the air current to flow, be provided with bull stick five in the exhaust vent, the one end of bull stick four is fixed with and is used for driving bull stick five pivoted bevel gear three, be fixed with the extension board on the exhaust vent inner wall, be fixed with on the inner wall of extension board and be used for carrying out the bearing two that fixes a position to bull stick five, the one end of bull stick five is fixed with and is used for driving the fan that the air current flows one, the exhaust vent internal fixation has and is used for carrying out filterable filter screen one to.

By adopting the technical scheme, when an employee needs to blow air, the double-shaft motor is started, the output shaft of the double-shaft motor can drive the first rotating rod to rotate, the first rotating rod can drive the first bevel gear to rotate, the first bevel gear can drive the first bevel gear to rotate, when the first bevel gear rotates, the first bevel gear rotates and drives the second rotating rod to rotate, the second rotating rod can drive the first straight gear to rotate, the first straight gear rotates and drives the first other straight gear to rotate, the first straight gear rotates and drives the third rotating rod to rotate, when the third rotating rod rotates, the third rotating rod rotates and drives the second bevel gear to rotate, the second bevel gear rotates and drives the second bevel gear to rotate, when the fourth rotating rod rotates, the fourth rotating rod rotates and drives the third bevel gear to rotate, and the third bevel gear rotates and drives the third bevel gear to rotate, the three rotations of another bevel gear can drive five rotations of bull stick, and when five rotations of bull stick, five rotations of bull stick can drive the fan and rotate, and when fan one rotated, the fan drove external air current for a moment and enters into the air-out downthehole, realized that the air current cools off through air-out hole pair double-shaft motor, when the air current entered into the air-out downthehole, a pair of air current of filter screen was filtered.

Preferably, the blowing device comprises a second fan arranged in the fan body, the other output shaft of the double-shaft motor is fixedly matched with the second fan, and first positioning plates for positioning the second fan are symmetrically fixed in the fan body.

By adopting the technical scheme, the rotation of the other output shaft of the double-shaft motor can drive the second fan to rotate, the second fan rotates to drive external air flow to enter the fan body, and when the air flow enters the fan body, the fan body can be driven to rotate.

As preferred, heating device fixes the fixed plate one that is used for fixing filter screen two on the inner wall of fan body one end including setting up filter screen two and the symmetry in the fan body, be fixed with the heating pipe one that is used for heating fixed plate one on the inner wall of fixed plate one, be provided with filter screen three on the inner wall that fixed plate one end was kept away from to the fan body, be fixed with fixed plate two that advances line location to filter screen three on the inner wall that fixed plate one end was kept away from to the fan body.

Adopt above-mentioned technical scheme, heating pipe one starts, heating pipe one to fixed plate one heats, after fixed plate one is heated, the fixed plate transmits for a moment for two temperatures of filter screen, realize the heating of filter screen two, when the air current enters into filter screen two, filter screen two can heat the air current, after the air current heating, the air current can enter into filter screen three through the fan body in, when the air current enters into filter screen three, the fixed plate is dual-purpose in location filter screen three, can pass through filter screen three when the air current, filter screen three filters the air current, realize the air current to the stoving of eating the material.

Preferably, a ring for moving the fan body is fixed to the upper end surface of the fan body.

By adopting the technical scheme, when the fan body needs to be lifted by a worker, the worker can lift the fan body by the circular ring.

Preferably, a first hinged door convenient for a worker to open the fan body is arranged on the side wall of the fan body.

By adopting the technical scheme, when the staff needs to maintain the double-shaft motor, the staff opens the first hinged door and maintains the double-shaft motor through the first hinged door.

Preferably, the lower end face of the support is provided with a support leg for supporting the support, and the support leg is in threaded fit with the support.

By adopting the technical scheme, the support legs are used for supporting the support.

Preferably, the lower end face of the support is fixed with a universal wheel convenient for the staff support.

By adopting the technical scheme, the universal wheels are convenient for the staff to move the support.

Preferably, a protective shell for protecting the double-shaft motor is fixed on the side wall of the double-shaft motor, and soundproof cotton for preventing noise is fixed on the inner wall of the protective shell.

Adopt above-mentioned technical scheme, the protective housing is used for protecting the biax motor, and the soundproof cotton is used for isolated noise in the biax motor.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

fig. 2 is a schematic view of an embodiment of a blowing device, an air cooling device and a heating device.

Reference numerals: 1. a support; 2. a fan body; 3. a blowing device; 4. an air cooling device; 5. a heating device; 6. a support block; 7. a double-shaft motor; 8. a first rotating rod; 9. a first bevel gear; 10. a second rotating rod; 11. a first bearing; 12. a third rotating rod; 13. a first straight gear; 14. a fourth rotating rod; 15. a second bevel gear; 16. an air outlet; 17. a fifth rotating rod; 18. a third bevel gear; 19. a support plate; 20. a second bearing; 21. a first fan; 22. a first filter screen; 23. a second fan; 24. a first positioning plate; 25. a second filter screen; 26. a first fixing plate; 27. heating a first pipe; 28. a third filter screen; 29. a second fixing plate; 30. a circular ring; 31. a first hinged door; 32. a support leg; 33. a universal wheel; 34. sound insulation cotton; 35. a protective shell.

Detailed Description

The following description is only a preferred embodiment of the present invention, and the protection scope is not limited to the embodiment, and any technical solution that falls under the idea of the present invention should fall within the protection scope of the present invention. It should also be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention.

Referring to fig. 1 to 2, a low noise axial flow fan with an outer rotor comprises a support 1 and a fan body 2 fixed on the upper end of a base and supporting an object, and comprises a blowing device 3 fixed on the inner wall of the fan body 2 and used for driving an air flow to flow, an air cooling device 4 arranged on the inner wall of the support 1 and used for cooling the object, and a heating device 5 fixed on the inner wall of the fan body 2 and used for heating the air flow, wherein when a worker needs to blow air, the air cooling device 4 comprises a supporting block 6 fixed on the inner wall of the fan body 2 and used for supporting the object, a double-shaft motor 7 fixed on the upper end of the supporting block 6 and used for driving the object to rotate, a rotating rod I8 is fixed on the output shaft of the double-shaft motor 7, a bevel gear I9 engaged with the side wall of the rotating rod I8 is fixed, so that the double-shaft motor 7 is started, when the first rotating rod 8 rotates, the first bevel gear 9 rotates, the second bevel gear 9 rotates, when the first bevel gear 9 rotates, a second rotating rod 10 is fixed on the side wall of the second bevel gear 9, a first bearing 11 for positioning the second rotating rod 10 is fixed on the inner wall of the fan body 2, a third rotating rod 12 in rotating fit is arranged in the support 1, one end of the second rotating rod 10 is fixed with a first straight gear 13 for driving the third rotating rod 12 to rotate, so that the rotation of the first bevel gear 9 drives the second rotating rod 10 to rotate, the rotation of the second rotating rod 10 drives the first straight gear 13 to rotate, the rotation of the first straight gear 13 drives the third rotating rod 12 to rotate, when the third rotating rod 12 rotates, a fourth rotating rod 14 in rotating fit is arranged in the support 1, one end of the third rotating rod 12 is fixed with a second bevel gear 15 for driving the fourth rotating rod 14 to rotate, thereby the rotation of the third rotating rod 12 can drive the second bevel gear 15 to rotate, the rotation of the second bevel gear 15 can drive the rotation of the second bevel gear 15, the rotation of the second bevel gear 15 can drive the fourth rotating rod 14 to rotate, when the fourth rotating rod 14 rotates, the lower end surface of the support 1 penetrates through an air outlet 16 for airflow flowing, a fifth rotating rod 17 is arranged in the air outlet 16, one end of the fourth rotating rod 14 is fixed with a third bevel gear 18 for driving the fifth rotating rod 17 to rotate, so that the rotation of the fourth rotating rod 14 can drive the third bevel gear 18 to rotate, the rotation of the third bevel gear 18 can drive the fifth rotating rod 17 to rotate, when the fifth rotating rod 17 rotates, a support plate 19 is fixed on the inner wall of the air outlet 16, a second bearing 20 for positioning the fifth rotating rod 17 is fixed on the inner wall of the support plate 19, one end of the fifth rotating rod 17 is fixed with a, a first filter screen 22 for filtering air flow is fixed in the air outlet 16, so that when the first fan 21 rotates, the first fan 21 drives external air flow to enter the air outlet 16, the air flow cools the double-shaft motor 7 through the air outlet 16, and when the air flow enters the air outlet 16, the first filter screen 22 filters the air flow.

When an employee needs to dry food materials, the blowing device 3 comprises a second fan 23 arranged in the fan body 2, the other output shaft of the double-shaft motor 7 is fixedly matched with the second fan 23, first positioning plates 24 for positioning the second fan 23 are symmetrically fixed in the fan body 2, and the double-shaft motor 7 is in a running state, so that the other output shaft of the double-shaft motor 7 can drive the second fan 23 to rotate, the second fan 23 can drive external air flow into the fan body 2, when the air flow enters the fan body 2, the heating device 5 comprises a first filter screen 25 arranged in the fan body 2 and a first fixing plate 26 symmetrically fixed on the inner wall of one end of the fan body 2 and used for fixing the second filter screen 25, a first heating pipe 27 for heating the first fixing plate 26 is fixed on the inner wall of the first fixing plate 26, and a third filter screen 28 is arranged on the inner wall of the fan body 2 far away from the first fixing plate 26, a fixing plate II 29 for positioning the filter screen III 28 is fixed on the inner wall of the fan body 2 far away from the fixing plate I26, so that the heating pipe I27 is started, the heating pipe I27 heats the fixing plate I26, when the fixing plate I26 is heated, the fixing plate I26 transfers the temperature to the filter screen II 25 to heat the filter screen II 25, when airflow enters the filter screen II 25, the filter screen II 25 heats the airflow, when the airflow enters the filter screen III 28, the fixing plate II is used for positioning the filter screen III 28, when the airflow passes through the filter screen III 28, the filter screen III 28 filters the airflow, a ring 30 for moving the fan body 2 is fixed on the upper end face of the fan body 2, when an employee needs to lift the fan body 2, the employee can lift the fan body 2 through the ring 30, a hinged door I31 for facilitating the employee to open the fan body 2 is arranged on the side wall of the fan body 2, when staff need maintain biax motor 7, staff opens hinged door 31, maintain biax motor 7 through hinged door 31, the lower terminal surface of support 1 is provided with the stabilizer blade 32 that is used for supporting support 1, and stabilizer blade 32 and the 1 screw-thread fit of support, stabilizer blade 32 is used for supporting support 1, the lower terminal surface of support 1 is fixed with the universal wheel 33 of being convenient for staff support 1, universal wheel 33 is convenient for the staff to remove support 1, be fixed with the protective housing 35 that is used for protecting biax motor 7 on the lateral wall of biax motor 7, be fixed with soundproof cotton 34 of noise control on the inner wall of protective housing 35, protective housing 35 is used for protecting biax motor 7, soundproof cotton 34 is used for the noise in isolated biax motor 7.