CN114412844A

CN114412844A - Self-adaptive adjusting system for angle of fan blade

Info

Publication number: CN114412844A
Application number: CN202210216888.7A
Authority: CN
Inventors: 林雪冬; 曹改改
Original assignee: Chongqing Vocational Institute of Engineering
Current assignee: Chongqing Vocational Institute of Engineering
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-04-29

Abstract

The invention discloses a ventilator blade angle self-adaptive adjusting system. Its technical scheme includes dryer, blade and cushion socket, cushion socket internally mounted has the fixed plate, the dryer is installed through the mounting bracket to the fixed plate upper surface, the inside one side of dryer is equipped with the spout, spout internally mounted has the dead lever, the bearing is installed to the dead lever end, the inside pivot of pegging graft of bearing, the pivot end is installed and is adjusted a section of thick bamboo, adjust a section of thick bamboo inboard and install the casing, the blade is installed through the axis of rotation to the casing surface, bevel gear B is installed to the axis of rotation end, it has adjusting motor to adjust a section of thick bamboo internally mounted, bevel gear A is installed to the adjusting motor output, and bevel gear A and bevel gear B mesh mutually. The invention can adjust the angle of the blade according to the output air volume and the air pressure of the ventilator, thereby enabling the output air volume and the air pressure of the ventilator to meet the use requirements.

Description

Self-adaptive adjusting system for angle of fan blade

Technical Field

The invention relates to the technical field of ventilators, in particular to a ventilator blade angle self-adaptive adjusting system.

Background

The ventilator is a machine which increases the pressure of gas and discharges the gas by means of input mechanical energy, and is a driven fluid machine. Modern ventilators are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and draught of boilers and industrial furnaces, cooling and ventilation in air conditioning equipment and household electrical appliances, drying and sorting of grains, wind tunnel wind sources and inflation and propulsion of air cushion boats, and the like.

Through mass search, a typical ventilator blade dynamic intelligent adjusting system disclosed in the publication number CN203308756U, which is a ventilator blade angle adaptive adjusting system in the prior art, is found, when a main ventilator works, position information of a ventilator blade can be acquired in real time through a sensor, and a driving device is used for adjusting the rotating angle of the ventilator blade, so that the ventilator blade is ensured to rotate to a specified position, thereby improving the operation efficiency of the ventilator and saving energy.

In order to adapt to different air volumes and air pressure requirements in the using process of the ventilator, the corresponding requirements can be met by adjusting the angle of the blade, the angle of the blade of the existing ventilator is usually fixed and unchangeable, the angle cannot be adjusted or the angle of the blade needs to be adjusted manually, and therefore, a ventilator blade angle self-adaptive adjusting system is provided.

Disclosure of Invention

The invention aims to provide a ventilator blade angle self-adaptive adjusting system, which has the advantage that the angle of a blade can be adjusted according to the output air volume and the air pressure of a ventilator, so that the output air volume and the air pressure of the ventilator meet the use requirements, and solves the problems that the blade angle of the existing ventilator is usually fixed and unchangeable, and the angle cannot be adjusted or the blade angle needs to be adjusted manually.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a ventilation blower blade angle self-adaptation adjustment system, includes dryer, blade and cushion socket, cushion socket internally mounted has the fixed plate, the dryer is installed through the mounting bracket to the fixed plate upper surface, the inside one side of dryer is equipped with the spout, spout internally mounted has the dead lever, the bearing is installed to the dead lever end, the inside pivot of pegging graft of bearing, the pivot end is installed and is adjusted a section of thick bamboo, adjust a section of thick bamboo inboard and install the casing, the blade is installed through the axis of rotation to the casing surface, bevel gear B is installed to the axis of rotation end, it has adjusting motor to adjust a section of thick bamboo internally mounted, bevel gear A is installed to the adjusting motor output, and bevel gear A and bevel gear B mesh mutually, a locking section of thick bamboo is installed to the casing inboard.

Preferably, a locking gear is installed on the inner side of the bevel gear A, electric push rods are symmetrically installed at the top of the inner wall of the locking cylinder and the bottom of the inner wall of the locking cylinder, clamping blocks are installed at the tail ends of the electric push rods, and the two electric push rods and the two clamping blocks are arranged to lock the positions of the blades after adjustment.

Preferably, the blades are eight in number, the blades are arranged on the outer surface of the casing in an annular array at equal intervals through a rotating shaft, and bevel gears B are arranged at the tail ends of the eight rotating shafts.

Preferably, the clamping ring is installed to one side that the dryer is close to the dead lever, the spout is equipped with four altogether, and four the spout circularizes array equidistance branch and locates dryer inner wall one side, four the inside dead lever, four of all installing of spout the inside dead lever that all installs of spout, the setting of four spouts be convenient for the installation and the dismantlement of casing, apron and rotation motor.

Preferably, the rotating motor is installed on one side of the inside of the air duct, which deviates from the blades, the output end of the rotating motor is connected with the inner side of the locking barrel through a coupling, and the rotating motor drives the locking barrel, the shell and the blades to rotate through a coupling.

Preferably, the conducting rings are symmetrically installed at positions on two sides of the outer surface of the locking barrel and two sides of the outer surface of the adjusting barrel, the elastic telescopic rods are installed at positions below the locking barrel and the adjusting barrel at the bottom of the inner wall of the air barrel, the elastic telescopic rods are installed at the tail ends of the elastic telescopic rods, the transverse plates and the two sides of the upper surface of the transverse plates are symmetrically installed with carbon brushes at positions, circuit connecting wires of the adjusting motor and the electric push rod are connected with the four conducting rings respectively, and the four carbon brushes on the transverse plates are connected with an external power supply line, so that the aim of supplying power to the adjusting motor and the electric push rod is fulfilled.

Preferably, the top of dryer inner wall deviates from one side of blade and installs wind pressure sensor, the bottom of dryer inner wall is located wind pressure sensor below position department and installs air sensor, acquires the inside wind pressure of dryer and the circulation amount of wind through air sensor and wind pressure sensor.

Preferably, the outer surface of the air duct is provided with sound absorbing cotton, and noise generated when the rotating motor, the shell and the blades rotate is absorbed through the sound absorbing cotton, so that noise pollution is reduced.

Preferably, the mounting panel is installed with the rear surface symmetry to the performance before the cushion socket, the shock attenuation post is all installed near four turning position departments in the bottom of cushion socket inner wall, and four the shock attenuation post end is connected near four turning position departments with the fixed plate lower surface respectively, and the shock attenuation post can play the effect of shock attenuation buffering to the equipment of installing on the fixed plate to play the effect of damping buffering, extension equipment life.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention achieves the effect of adjusting the angle of the blade according to the output air volume and the air pressure of the ventilator by arranging the adjusting motor, the bevel gear A, the bevel gear B, the air volume sensor and the air pressure sensor, thereby enabling the output air volume and the air pressure of the ventilator to achieve the use requirement, the air pressure and the circulation air volume inside the air duct are obtained by the air volume sensor and the air pressure sensor, when the air pressure and the air volume inside the air duct are lower than the set range value of the air volume sensor and the air pressure sensor, the rotating motor stops and the two electric push rods drive the two clamping blocks to move out from the gear grooves of the locking gears, the adjusting motor works and drives the rotating shaft to rotate to adjust the angle of the blade through the bevel gear A and the bevel gear B, after the angle adjustment of the blade is completed, the two electric push rods work to enable the two clamping blocks to enter the gear grooves of the locking gears, thereby locking and fixing the blade and the rotating shaft through the bevel gear A and the bevel gear B, and then the purpose of adjusting the air quantity and the air pressure inside the air duct is achieved.

2. According to the invention, the pressing ring, the sliding groove and the fixing rod are arranged, so that the effect of facilitating the installation and the disassembly of the casing, the adjusting cylinder and the locking cylinder is achieved, during installation, the output end of the rotating motor is connected with the transmission shaft through the coupler, and the mounting frame and the fixing rod are fixedly installed through the screw rod and are clamped after sliding into the casing through the sliding groove.

3. The invention can reduce the noise generated when the rotating motor, the shell and the blades rotate by the sound-absorbing cotton and the shock-absorbing columns, thereby reducing the noise pollution, simultaneously playing the effects of vibration reduction and buffering for the rotating motor, the shell and the blades, and prolonging the service life.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of a partial front view of the housing of the present invention;

FIG. 4 is a schematic view of a partial front view of the elastic telescopic rod of the present invention;

FIG. 5 is a schematic side view of a blade according to the present invention.

Reference numerals: 1. an air duct; 2. sound-absorbing cotton; 3. a blade; 4. pressing a ring; 5. fixing the rod; 6. a rotating shaft; 7. a shock absorbing seat; 8. mounting a plate; 9. a fixing plate; 10. a mounting frame; 11. a wind pressure sensor; 12. Rotating the motor; 13. a coupling; 14. a locking barrel; 15. a housing; 16. a chute; 17. an adjusting cylinder; 18. adjusting the motor; 19. a bevel gear A; 20. a bearing; 21. a shock-absorbing post; 22. an elastic telescopic rod; 23. An air quantity sensor; 24. a rotating shaft; 25. a bevel gear B; 26. conducting rings; 27. an electric push rod; 28. a clamping block; 29. a lock gear; 30. a carbon brush; 31. a transverse plate.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1 to 5, the self-adaptive adjusting system for fan blade angle provided by the present invention comprises an air duct 1, blades 3 and a damper seat 7, wherein a fixing plate 9 is installed inside the damper seat 7, the air duct 1 is installed on the upper surface of the fixing plate 9 through an installation frame 10, a chute 16 is arranged on one side inside the air duct 1, a fixing rod 5 is installed inside the chute 16, a bearing 20 is installed at the tail end of the fixing rod 5, a rotating shaft 6 is inserted into the bearing 20, an adjusting cylinder 17 is installed at the tail end of the rotating shaft 6, a casing 15 is installed inside the adjusting cylinder 17, the blades 3 are installed on the outer surface of the casing 15 through a rotating shaft 24, the number of the blades 3 is eight, the eight blades 3 are all installed on the outer surface of the casing 15 in a ring-shaped array through the rotating shaft 24 at equal intervals, bevel gears B25 are installed at the tail ends of the eight rotating shafts 24, bevel gears B25 are installed at the tail ends of the rotating shaft 24, and an adjusting motor 18 is installed inside the adjusting cylinder 17, the output end of the adjusting motor 18 is provided with a bevel gear A19, the bevel gear A19 is meshed with the bevel gear B25, the inner side of the bevel gear A19 is provided with a locking gear 29, the top of the inner wall of the locking cylinder 14 and the bottom of the inner wall are symmetrically provided with electric push rods 27, the tail ends of the two electric push rods 27 are provided with clamping blocks 28, and the inner side of the casing 15 is provided with the locking cylinder 14.

The two sides of the outer surface of the locking cylinder 14 and the adjusting cylinder 17 are symmetrically provided with conducting rings 26, the bottom of the inner wall of the air duct 1 is positioned below the locking cylinder 14 and the adjusting cylinder 17 and is provided with elastic telescopic rods 22, the tail ends of the two elastic telescopic rods 22 are provided with transverse plates 31, the two sides of the upper surface of the two transverse plates 31 are symmetrically provided with carbon brushes 30, circuit connecting wires of the adjusting motor 18 and the electric push rod 27 are respectively connected with the four conducting rings 26, the four carbon brushes 30 on the transverse plates 31 are connected with an external power supply circuit, so that the purpose of supplying power to the adjusting motor 18 and the electric push rod 27 is achieved, one side of the inner part of the air duct 1, which is far away from the blades 3, is provided with a rotating motor 12, the output end of the rotating motor 12 is connected with the inner side of the locking cylinder 14 through a coupler 13, one side of the air duct 1, which is close to the fixing rod 5, is provided with four press rings 4, the four slide grooves 16 are arranged, and the four slide grooves 16 are arranged on one side of the inner wall of the air duct 1 in a ring array at equal distance, the fixing rods 5 are arranged inside the four sliding grooves 16, the wind pressure sensor 11 is arranged on one side, deviating from the blades 3, of the top of the inner wall of the wind barrel 1, and the wind volume sensor 23 is arranged at the position, below the wind pressure sensor 11, of the bottom of the inner wall of the wind barrel 1.

The working principle of the self-adaptive adjusting system for the angle of the fan blade based on the embodiment 1 is as follows: the air pressure and the ventilation air volume inside the air duct 1 are acquired through the air volume sensor 23 and the air pressure sensor 11, when the air pressure and the air volume inside the air duct 1 are lower than the range values set by the air volume sensor 23 and the air pressure sensor 11, the rotating motor 12 stops and simultaneously the two electric push rods 27 drive the two fixture blocks 28 to move out of the gear grooves of the locking gear 29, the adjusting motor 18 works and drives the rotating shaft 24 to rotate through the bevel gear A19 and the bevel gear B25 to adjust the angle of the blade 3, after the angle adjustment of the blade 3 is completed, the two electric push rods 27 work to enable the two fixture blocks 28 to enter the tooth grooves of the locking gear 29, so that the blade 3 and the rotating shaft 24 are locked and fixed through the bevel gear A19 and the bevel gear B25, and then the purpose of adjusting the air volume and the air pressure inside the air duct 1 is achieved.

Example two

As shown in fig. 1 and 2, compared with the first embodiment, the adaptive adjusting system for fan blade angle provided by the present invention further includes a sound absorbing cotton 2 mounted on the outer surface of the air duct 1, mounting plates 8 symmetrically mounted on the front surface and the rear surface of the damper seat 7, damper columns 21 mounted on the bottom of the inner wall of the damper seat 7 near four corners, and the ends of the four damper columns 21 are respectively connected to the lower surface of the fixing plate 9 near four corners.

In this embodiment, the noise generated when the rotating motor 12, the casing 15 and the blade 3 are rotated is absorbed by the sound-absorbing cotton 2, so that the noise pollution is reduced, and the shock-absorbing column 21 can play a role of shock absorption and buffering to the equipment installed on the fixing plate 9 and prolong the service life of the equipment.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.

Claims

1. The utility model provides a ventilation blower blade angle self-adaptation adjustment system, includes dryer (1), blade (3) and damper seat (7), its characterized in that: the damping seat (7) is internally provided with a fixing plate (9), the air duct (1) is installed on the upper surface of the fixing plate (9) through a mounting rack (10), a sliding groove (16) is formed in one side inside the air duct (1), a fixing rod (5) is installed inside the sliding groove (16), a bearing (20) is installed at the tail end of the fixing rod (5), a rotating shaft (6) is inserted inside the bearing (20), an adjusting cylinder (17) is installed at the tail end of the rotating shaft (6), a casing (15) is installed on the inner side of the adjusting cylinder (17), blades (3) are installed on the outer surface of the casing (15) through a rotating shaft (24), a bevel gear B (25) is installed at the tail end of the rotating shaft (24), an adjusting motor (18) is installed inside the adjusting cylinder (17), a bevel gear A (19) is installed at the output end of the adjusting motor (18), and the bevel gear A (19) is meshed with the bevel gear B (25), a locking cylinder (14) is installed on the inner side of the machine shell (15).

2. A ventilator blade angle adaptive adjustment system according to claim 1, characterized in that: the bevel gear A (19) is internally provided with a locking gear (29), the top of the inner wall of the locking cylinder (14) and the bottom of the inner wall are symmetrically provided with electric push rods (27), and the tail ends of the two electric push rods (27) are provided with clamping blocks (28).

3. A ventilator blade angle adaptive adjustment system according to claim 1, characterized in that: the number of the blades (3) is eight, the blades (3) are arranged on the outer surface of the shell (15) in an annular array at equal intervals through a rotating shaft (24), and bevel gears B (25) are arranged at the tail ends of the rotating shaft (24).

4. A ventilator blade angle adaptive adjustment system according to claim 1, characterized in that: pressing rings (4) are installed to one side that dryer (1) is close to dead lever (5), spout (16) are equipped with four altogether, and four spout (16) annular array equidistance branch is located dryer (1) inner wall one side, four inside dead lever (5) all installed of spout (16).

5. A ventilator blade angle adaptive adjustment system according to claim 1, characterized in that: the wind tube (1) is internally provided with a rotating motor (12) at one side deviating from the blade (3), and the output end of the rotating motor (12) is connected with the inner side of the locking tube (14) through a coupler (13).

6. A ventilator blade angle adaptive adjustment system according to claim 1, characterized in that: the utility model discloses a carbon brush is located the bottom of the position and is located the lower position and is located locking section of adjusting (14.

7. A ventilator blade angle adaptive adjustment system according to claim 1, characterized in that: wind pressure sensor (11) are installed to one side that deviates from blade (3) at the top of dryer (1) inner wall, wind sensor (23) are installed to the bottom that is located wind pressure sensor (11) lower position department of dryer (1) inner wall.

8. A ventilator blade angle adaptive adjustment system according to claim 1, characterized in that: the outer surface of the air duct (1) is provided with sound absorption cotton (2).

9. A ventilator blade angle adaptive adjustment system according to claim 1, characterized in that: mounting panel (8) are installed with the rear surface symmetry to the performance before shock attenuation seat (7), shock attenuation post (21) are all installed near four corner position departments to the bottom of shock attenuation seat (7) inner wall, and four shock attenuation post (21) end is connected near four corner position departments with fixed plate (9) lower surface respectively.