CN114017386B

CN114017386B - High-energy fan

Info

Publication number: CN114017386B
Application number: CN202111427267.5A
Authority: CN
Inventors: 严春雷
Original assignee: Shanghai Grade Fe Blower Equipment Co ltd
Current assignee: Shanghai Grade Fe Blower Equipment Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2024-04-26
Anticipated expiration: 2041-11-29
Also published as: CN114017386A

Abstract

The application relates to the field of fans, in particular to a high-energy fan which comprises a base, a shell fixed on the base and fan blades rotationally connected in the shell, wherein each fan blade comprises a mounting disc rotationally connected in the shell and a plurality of blades rotationally connected on the mounting disc, a first end face gear is rotationally arranged on one side of each mounting disc, an adjusting gear matched with the first end face gear is arranged at the end part of each blade rotating shaft, a first driving assembly for driving the mounting disc to rotate is arranged on the base, a second driving assembly for driving the first end face gear to rotate through the first driving assembly is further arranged on the base, and the angle of each blade can be adjusted according to the actual environment through the scheme, so that the fan blades of the fan can keep high-efficiency rotation.

Description

High-energy fan

Technical Field

The application relates to the field of fans, in particular to a high-energy fan.

Background

The fan equipment is wide in practical application, and energy consumption is large in all links of national economy, so that the operation efficiency of the fan is improved, and the reduction of the power consumption of the fan is also a popular research theme of ventilation staff for many years.

The working efficiency and the power consumption of the same fan are different in different use environments, and the main reason for the situation is that the design angle of the fan blade and the current air flow direction are changed in a parabolic rule under the condition that parameters such as the angle and the rotating speed of the fan blade are fixed, and the efficiency and the flow rate are changed in a parabolic rule, and a highest efficiency point is arranged near the design point, and is 60% -80% of the efficiency.

However, in practical applications, the fan and the fan blade are all manufactured by one-step molding, and because it is difficult to design fans with various technical parameters according to each use environment in the practical manufacturing process, a designer can only design them in a large scale, so that most fans deviate from the highest efficiency point in the practical use process, and therefore, the conventional manufactured fan has a problem to be improved.

Disclosure of Invention

In order to facilitate efficient operation of the fan in different environments, the application provides a high-energy fan.

The application provides a high-energy fan, which adopts the following technical scheme:

The utility model provides a high energy fan, includes the base, fixes shell, the rotation of on the base and connects the flabellum in the shell, the flabellum is including rotating the mounting disc of connecting in the shell, a plurality of rotation is connected the blade on the mounting disc, the mounting disc rotates towards blade one side and is provided with first face gear, the tip of blade pivot is provided with the regulating gear that uses with first face gear cooperation, be provided with on the base and be used for driving the first drive assembly of mounting disc pivoted, still be provided with on the base and order about first face gear pivoted second drive assembly through first drive assembly.

Through adopting above-mentioned technical scheme, according to on the installation environment of fan at present, through the second drive assembly in advance before using the fan for first terminal surface gear rotates, and adjusting gear and first terminal surface gear meshing realize the blade and rotate, thereby adjust the angle of flabellum in the shell, finally keep the flabellum of fan can efficient rotation.

Optionally, the pivot of mounting disc is the pipe form and stretches out outside the shell, first drive assembly includes coaxial second face gear, the servo motor of fixing on the base outside the mounting disc pivot, coaxial setting in servo motor pivot epaxial drive gear, the setting drives the first connecting piece of drive gear unidirectional rotation in the servo motor pivot, drive gear and second face gear engagement.

Through adopting above-mentioned technical scheme, when order about servo motor pivot forward rotation, under the effect of first connecting piece for transmission gear meshing second face gear rotates, thereby second face gear rotates with the mounting disc is synchronous, realizes that the flabellum rotates.

Optionally, first connecting piece includes coaxial rotation connection in the first interior ratchet on drive gear inner circle lateral wall, fixes at servo motor pivot first driver plate, rotates the first pawl of connecting on first driver plate lateral wall, fixes the first pressure spring on first driver plate lateral wall, first driver plate rotates the inner chamber of connecting at first interior ratchet, the one end pressfitting of first pressure spring keeping away from first driver plate is on the lateral wall of first pawl and makes first pawl and first interior ratchet meshing.

Through adopting above-mentioned technical scheme, order about the pivoted in-process of mounting disc through servo motor pivot for servo motor's pivot corotation under the effect of first driver plate, first pressure spring supports to press on first pawl lateral wall, makes first pawl and first interior ratchet meshing, thereby first driver plate and first interior ratchet synchronous rotation and order about drive gear meshing second face gear rotation, realizes the rotation of mounting disc.

Optionally, the second drive assembly includes coaxial worm that sets up in servo motor pivot, the worm wheel of coaxial fixed in first terminal surface gear pivot tip, sets up in the servo motor pivot when driving first terminal surface gear and rotate, the mounting disc stops pivoted second connecting piece, worm and worm wheel meshing.

Through adopting above-mentioned technical scheme, adjust blade turned angle's process, make servo motor's pivot reverse in advance, whole mounting disc stops rotating this moment, makes worm and servo motor pivot synchronous rotation under the effect of second connecting piece, worm meshing worm wheel for first terminal surface gear meshing adjusting gear rotates, thereby realizes the regulation to blade turned angle.

Optionally, the pivot of worm is the pipe form, the second connecting piece includes coaxial setting in the second inner ratchet of worm pivot inner chamber, coaxial fixed in servo motor pivot second driver plate, rotates the second pawl of connecting on second driver plate lateral wall, fixes the second pressure spring on second driver plate lateral wall, the second inner ratchet rotates to be connected on the base, the inner chamber at the second inner ratchet is rotated to the second driver plate, the one end butt of second pressure spring keeping away from the second driver plate is on the lateral wall of second pawl and makes second pawl and the meshing of second inner ratchet.

Through adopting above-mentioned technical scheme, order about worm synchronous rotation under the effect of second pressure spring when servo motor pivot counter-rotating for second pawl and the meshing of second internal ratchet, thereby make second driver plate and the synchronous rotation of second internal ratchet, worm meshing worm wheel alright rotate, realize the regulation to blade turned angle.

Optionally, be provided with the dust cover on the base, first drive assembly and second drive assembly all are located the inner chamber of dust cover.

Through adopting above-mentioned technical scheme, the dust cover makes external dust be difficult to pile up on first drive assembly and second drive assembly to ensure that whole flabellum can normal operating and the normal regulation of blade.

Optionally, a baffle is inserted at the air outlet of the shell, and a filter screen is fixed at the air inlet of the shell.

Through adopting above-mentioned technical scheme, the filter screen can filter external large granule debris to avoid large granule debris to adhere to on the blade, influence the rotation of blade.

Optionally, the pivot of first terminal surface gear stretches out the outer one end of shell and is fixed with the target, be fixed with the calibrated scale that is used for through the target sign and shows blade turned angle on the base.

Through adopting above-mentioned technical scheme, when adjusting blade turned angle, can observe blade pivoted angle in real time through the calibrated scale.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The rotating angle of the blades can be adjusted in real time according to the actual installation environment and the running environment of the fan, so that the fan can keep high-efficiency running.

Drawings

Fig. 1 is a schematic overall structure of the present embodiment.

Fig. 2 is a schematic view of the whole structure of the fan blade in this embodiment.

Fig. 3 is a schematic diagram of the overall structure of the first driving assembly and the second driving assembly in this embodiment.

Fig. 4 is a schematic diagram showing the overall structure of the first connector and the second connector in this embodiment.

Reference numerals: 1. a base; 2. a housing; 3. a fan blade; 4. a mounting plate; 5. a blade; 6. a first end face gear; 7. an adjusting gear; 8. a first drive assembly; 9. a second drive assembly; 10. a second face gear; 11. a servo motor; 12. a transmission gear; 13. a first connector; 14. a first inner ratchet; 15. a first dial; 16. a first pawl; 17. a first compression spring; 18. a worm; 19. a worm wheel; 20. a second inner ratchet; 21. a second dial; 22. a second pawl; 23. a second compression spring; 24. a dust cover; 25. a baffle; 26. filtering the net cover; 27. a target; 28. a dial; 29. and a second connecting piece.

Detailed Description

The application is described in further detail below with reference to fig. 1-4.

The embodiment of the application discloses a high-energy fan.

Referring to fig. 1 and 2, a high-energy fan comprises a base 1, a housing 2 and fan blades 3, wherein the housing 2 is fixed on the upper surface of the base 1, an air inlet and an air outlet are formed in the housing 2, the fan blades 3 are rotationally connected in an inner cavity of the housing 2, and the fan blades 3 are driven to rotate, so that external air flow is sucked into the inner cavity of the housing 2 from the air inlet, and finally flows to the outside from the air outlet, thereby realizing the air supply effect.

Referring to fig. 1 and 2, a filter screen 26 is fixed at an air inlet of the housing 2, and the diameter of a mesh of the filter screen 26 is 2mm, so that external large-particle impurities are difficult to wind on the fan blades 3 under the operation condition of the fan, and the normal operation of the fan is affected. The baffle 25 is inserted on the air outlet of the shell 2, when the fan is dismounted and stops working, the baffle 25 makes external dust and sundries difficult to enter the air supply pipeline of the fan, so that the normal operation of the fan is ensured.

Referring to fig. 1 and 2, the fan blade 3 includes a mounting plate 4 and a blade 5, the mounting plate 4 is rotatably connected to the housing 2 and is located in an inner cavity of the housing 2, the blade 5 is rotatably connected to a side wall of the mounting plate 4, a first end face gear 6 is coaxially rotatably connected to one side of the mounting plate 4 facing the blade 5, and an adjusting gear 7 is coaxially fixed to a rotating shaft of the blade 5. The adjusting gear 7 is meshed with the first face gear 6. Thereby driving the first end face gear 6 to rotate, and the adjustment of the rotation angle of the blade 5 can be realized.

Referring to fig. 1 and 2, the rotation shaft of the mounting plate 4 is in a circular tube shape, and one end of the rotation shaft of the mounting plate 4, which is far away from the mounting plate 4, extends out of the housing 2. The base 1 is provided with a first drive assembly 8 for driving the mounting plate 4 to rotate. The rotating shaft of the first end face gear 6 coaxially rotates in the inner cavity of the rotating shaft of the mounting disc 4. The length of the rotating shaft of the first end face gear 6 is longer than that of the mounting plate 4 and is located outside the rotating shaft of the mounting plate 4. The base 1 is further provided with a second driving assembly 9 for driving the first face gear 6 to rotate. When the first face gear 6 rotates, the mounting plate 4 stops rotating, and when the mounting plate 4 rotates, the first face gear 6 stops rotating.

Referring to fig. 3, the first driving assembly 8 includes a second face gear 10, a servo motor 11, a transmission gear 12, and a first connecting member 13 for driving the transmission gear 12 to rotate in one direction, wherein the second face gear 10 is coaxially fixed on the outer side of the rotating shaft of the mounting plate 4, the servo motor 11 is fixed on the upper surface of the base 1, and the rotating shaft of the servo motor 11 is perpendicular to the rotating shaft of the second face gear 10. The transmission gear 12 is coaxially arranged on the rotating shaft of the servo motor 11 through a first connecting piece 13, and the transmission gear 12 is meshed with the second face gear 10.

Referring to fig. 3 and 4, the first connecting member 13 includes a first inner ratchet wheel 14, and the rotation shaft of the transmission gear 12 is hollow and circular, and the first inner ratchet wheel 14 is coaxially fixed in the inner cavity of the rotation shaft of the transmission gear 12. The first connecting piece 13 further comprises a first driving plate 15, a first pawl 16 and a first pressure spring 17, the first driving plate 15 is coaxially arranged in the inner cavity of the first inner ratchet wheel 14, the first driving plate 15 is rotationally connected to the base 1, and the first driving plate 15 is coaxially and fixedly connected with the rotating shaft of the servo motor 11. In an initial state, one end of the first pawl 16 is rotationally connected to the side wall of the first driving plate 15, the other end of the first pawl 16 is embedded between two adjacent teeth on the inner side of the first inner ratchet wheel 14, one end of the first pressure spring 17 is fixed to the side wall of the first driving plate 15, and the other end of the first pressure spring is abutted to the side wall of the first pawl 16, so that when the rotating shaft of the servo motor 11 rotates normally, the first driving plate 15 and the first inner ratchet wheel 14 rotate synchronously under the action of the first pawl 16, and when the rotating shaft of the servo motor 11 rotates reversely, the first driving plate 15 and the first inner ratchet wheel 14 rotate relatively, and at the moment, the fan blade 3 is difficult to rotate.

Referring to fig. 3 and 4, the second driving unit 9 includes a worm 18, a worm wheel 19, and a second connecting member 29 disposed on the rotation shaft of the servo motor 11 to unidirectionally drive the first face gear 6 to rotate. The worm 18 is coaxially arranged on the rotating shaft of the servo motor 11, the worm wheel 19 is coaxially fixed on the rotating shaft of the second face gear 10, and the worm 18 is meshed with the worm wheel 19.

Referring to fig. 2, 3 and 4, the second connecting member 29 includes a second inner ratchet 20, a second driving plate 21, a second pawl 22 and a second compression spring 23, the rotation shaft of the worm 18 is in a circular tube shape, the teeth of the second inner ratchet 20 and the teeth of the first inner ratchet 14 are oppositely arranged, the second inner ratchet 20 is coaxially arranged on the worm 18, and the outer wall of the second inner ratchet 20 is fixedly connected with the inner wall of the rotation shaft of the worm 18. A second dial 21 is rotatably connected to the upper surface of the base 1, and the second dial 21 is coaxially disposed within the inner cavity of the second inner ratchet 20. The second pawl 22 is rotatably coupled to a side wall of the second dial 21 and is intended to engage with the second inner ratchet 20. One end of the second pressure spring 23 is fixed on the side wall of the second driving plate 21, and the other end is abutted on the side wall of the second pawl 22, so that when the rotating shaft of the servo motor 11 reversely rotates, the second driving plate 21 and the second inner ratchet 20 synchronously rotate.

Referring to fig. 1 and 4, a dust cover 24 is fixed on the base 1, and the first inner ratchet wheel 14 and the second inner ratchet wheel 20 are both positioned in an inner cavity of the dust cover 24, so that external dust is difficult to adhere to inner side teeth of the first inner ratchet wheel 14 and the second inner ratchet wheel 20 under the action of the dust cover 24, and normal operation and adjustment of a fan are ensured.

Referring to fig. 2, a dial 28 is fixed on the base 1, a marker post 27 is fixed at one end of the rotating shaft of the first face gear 6 extending out of the housing 2, one end of the marker post 27 away from the rotating shaft of the first face gear 6 is in a spike shape, the rotating shaft of the first face gear 6 is rotationally connected with the dial 28, and the marker post 27 and the dial 28 are mutually attached. Thus, in the process of adjusting the angle of the blade 5, the adjustment angle of the blade 5 can be checked in real time through the dial 28.

The implementation principle of the high-energy fan provided by the embodiment of the application is as follows: before the fan blades 3 are driven to rotate, the angles of the fan blades 5 are adjusted according to the running environment of the current fan, so that the influence of ambient air flow on the running of the fan is reduced, and the efficient running of the fan is ensured.

When the rotating angle of the blade 5 is adjusted according to the existing parameter table, the rotating shaft of the servo motor 11 is driven to rotate reversely through the PLC equipment, so that the worm 18 is meshed with the worm wheel 19 to rotate, the first end face gear 6 rotates to enable the adjusting gear 7 to synchronously rotate, and the adjustment of the rotating angle of the blade 5 is achieved. When the whole fan blade 3 is driven to rotate, the rotating shaft of the servo motor 11 is driven to rotate positively, so that the transmission gear 12 is meshed with the second face gear 10 to rotate, and the whole mounting plate 4 is driven to rotate, and the air supply function is realized.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. The utility model provides a high energy fan, includes base (1), fixes shell (2) on base (1), rotates flabellum (3) of connecting in shell (2), its characterized in that: the fan blade (3) comprises a mounting disc (4) rotatably connected in the shell (2), a plurality of blades (5) rotatably connected on the mounting disc (4), a first end face gear (6) is rotatably arranged on one side of the mounting disc (4) towards the blades (5), an adjusting gear (7) matched with the first end face gear (6) for use is arranged at the end part of a rotating shaft of the blades (5), a first driving assembly (8) for driving the mounting disc (4) to rotate is arranged on the base (1), and a second driving assembly (9) for driving the first end face gear (6) to rotate through the first driving assembly (8) is further arranged on the base (1);

the rotating shaft of the mounting disc (4) is in a circular tube shape and extends out of the shell (2), the first driving assembly (8) comprises a second face gear (10) coaxially fixed outside the rotating shaft of the mounting disc (4), a servo motor (11) fixed on the base (1), a transmission gear (12) coaxially arranged on the rotating shaft of the servo motor (11), and a first connecting piece (13) arranged on the rotating shaft of the servo motor (11) and used for driving the transmission gear (12) to rotate in a unidirectional mode, and the transmission gear (12) is meshed with the second face gear (10);

The first connecting piece (13) comprises a first inner ratchet wheel (14) coaxially and rotatably connected to the inner ring side wall of the transmission gear (12), a first driving plate (15) fixed on the rotating shaft of the servo motor (11), a first pawl (16) rotatably connected to the side wall of the first driving plate (15), and a first pressure spring (17) fixed to the side wall of the first driving plate (15), wherein the first driving plate (15) is rotatably connected to the inner cavity of the first inner ratchet wheel (14), and one end of the first pressure spring (17) far away from the first driving plate (15) is pressed on the side wall of the first pawl (16) and enables the first pawl (16) to be meshed with the first inner ratchet wheel (14);

The second driving assembly (9) comprises a worm (18) coaxially arranged on the rotating shaft of the servo motor (11), a worm wheel (19) coaxially fixed at the end part of the rotating shaft of the first end face gear (6), and a second connecting piece (29) arranged on the rotating shaft of the servo motor (11) and used for stopping rotation of the mounting disc (4) when the first end face gear (6) is driven to rotate, wherein the worm (18) is meshed with the worm wheel (19);

The rotating shaft of the worm (18) is in a circular tube shape, the second connecting piece (29) comprises a second inner ratchet wheel (20) coaxially arranged in the inner cavity of the rotating shaft of the worm (18), a second driving plate (21) coaxially fixed on the rotating shaft of the servo motor (11), a second pawl (22) rotatably connected to the side wall of the second driving plate (21), and a second pressure spring (23) fixed on the side wall of the second driving plate (21), the second inner ratchet wheel (20) is rotatably connected to the base (1), the second driving plate (21) is rotatably connected to the inner cavity of the second inner ratchet wheel (20), and one end, away from the second driving plate (21), of the second pressure spring (23) is abutted to the side wall of the second pawl (22) and enables the second pawl (22) to be meshed with the second inner ratchet wheel (20).

2. A high energy fan as claimed in claim 1, wherein: be provided with dust cover (24) on base (1), first drive assembly (8) and second drive assembly (9) all are located the inner chamber of dust cover (24).

3. A high energy fan as claimed in claim 1, wherein: a baffle (25) is inserted at the air outlet of the shell (2), and a filter screen cover (26) is fixed at the air inlet of the shell (2).

4. A high energy fan as claimed in claim 1, wherein: one end of the rotating shaft of the first end face gear (6) extending out of the shell (2) is fixed with a marker post (27), and a dial (28) used for marking and displaying the rotating angle of the blade (5) through the marker post (27) is fixed on the base (1).