CN220622236U

CN220622236U - Fan control device

Info

Publication number: CN220622236U
Application number: CN202322287453.4U
Authority: CN
Inventors: 陈锐; 王彫; 周江; 蔡俊翔; 彭子成; 江晓金; 林皇璋
Original assignee: Fujian Huadian Kemen Power Generation Co ltd
Current assignee: Fujian Huadian Kemen Power Generation Co ltd
Priority date: 2023-08-24
Filing date: 2023-08-24
Publication date: 2024-03-19
Anticipated expiration: 2033-08-24

Abstract

The utility model discloses a fan control device, which comprises a fan main body with an air inlet channel and an air outlet channel, an air inlet pipe, an air quantity regulating and controlling component arranged at the port of the air outlet channel, and an adjusting structure and a control box which are connected with the air quantity regulating and controlling component; the air quantity regulating and controlling assembly comprises an outer frame, a shell and a plurality of fixing rods arranged on the inner side of the outer frame, wherein the shell is arranged on one side of the outer frame, a screw rod is arranged in the shell, a toothed plate is arranged on the outer side of the screw rod in a threaded manner, the toothed plate is in sliding connection with the inner wall of the shell, and the fixing rods are in rotary connection with the outer frame: through opening or closing first solenoid valve, second solenoid valve, third solenoid valve, with the air current that fan main part during operation produced as power source, under the effect of amount of wind regulation and control subassembly, realize the fast adjustment of amount of wind, overall structure is simple, convenient operation is swift, but still manual operation simultaneously.

Description

Fan control device

Technical Field

The utility model relates to the field of fan control, in particular to a fan control device.

Background

The fan is a machine which relies on input mechanical energy to raise the pressure of gas and discharge the gas, and is a driven fluid machine. The fan is a common short for gas compression and gas conveying machinery in China, and the fan generally comprises a ventilator, a blower and a wind driven generator. The main structural components of the fan are an impeller, a shell, an air inlet, a bracket, a motor, a belt pulley, a coupler, a muffler, a transmission piece (bearing) and the like. Fans are widely used for ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and air induction of boilers and industrial furnaces; cooling and ventilation in air-conditioning devices and household appliances; drying and selecting grains, inflating and propelling wind tunnel wind source and air cushion ship, etc. Most of air quantity control in the prior art is to insert plate door and butterfly valve to adjust the air channel, but the transmission speed of insert plate door and butterfly valve is slower, and air quantity adjustment can not be performed rapidly, so a control device capable of adjusting the air quantity of a fan rapidly is needed.

The patent number 202023169305.5 discloses a fan controlling means, including first fixed plate, first mounting box is installed to one side of first fixed plate, and first mounting box is keeping away from the second fixed plate is installed to one side of first fixed plate, and the second mounting box is installed to the one end of first mounting box, and the control box is installed to the bottom of second mounting box, the control box with be connected with the fixed block between the second mounting box, the control box passes through the fixed block with the second mounting box is connected fixedly, the internally mounted of control box has hydraulic telescoping rod, the expansion plate is installed to hydraulic telescoping rod's bottom, install the rotary contact in the second mounting box, the rotary contact is connected with baffle structure, hydraulic telescoping rod with connect through the connecting rod between the expansion plate. The beneficial effects are that: the air quantity adjusting device is arranged, the air quantity in the air channel connected with the fan is adjusted by adopting a brand new transmission mode, and the passage of the air channel can be adjusted and controlled conveniently.

The control device has the following defects: a power mechanism is required to be additionally arranged for regulating and controlling the air quantity; and when the power mechanism fails, the air quantity adjustment cannot be performed manually.

Disclosure of Invention

The present utility model is directed to a fan control apparatus, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a fan control device comprises a fan main body with an air inlet channel and an air outlet channel, an air inlet pipe, an air quantity regulating and controlling component arranged at the port of the air outlet channel, and an adjusting structure and a control box which are connected with the air quantity regulating and controlling component;

the air quantity regulating and controlling assembly comprises an outer frame, a shell and a plurality of fixing rods arranged on the inner side of the outer frame, wherein the shell is arranged on one side of the outer frame, a screw rod is arranged in the shell, a toothed plate is arranged on the outer side of the screw rod in a threaded manner, the toothed plate is in sliding connection with the inner wall of the shell, the fixing rods are in rotary connection with the outer frame, one ends of the fixing rods penetrate through the outer frame and extend to the inner side of the shell, a gear is arranged on the outer side of the fixing rods, and the gear is meshed with the toothed plate;

the adjusting structure is arranged at the upper end of the shell, and the air inlet pipe is communicated with the air inlet channel through the adjusting structure;

the control box is electrically connected with the motor driver of the fan main body.

Preferably, the adjusting structure comprises two stacked and sealed first and second boxes, a rotating shaft penetrating through the first and second boxes, a first fan blade and a second fan blade are respectively arranged in the first and second boxes and connected with the upper end of the screw rod, and the first and second fan blades are arranged on the outer sides of the rotating shaft.

Preferably, the first fan blade and the second fan blade have opposite rotation directions.

Preferably, the adjusting structure further comprises a first conduit, a second conduit and a third conduit, wherein two ends of the first conduit are respectively connected with the air inlet pipe and the air inlet channel, the first conduit is respectively connected with the first box body and the second box body through branch pipes, two ends of the second conduit are respectively connected with the air inlet pipe and the first box body, and two ends of the third conduit are respectively connected with the air inlet pipe and the second box body.

Preferably, the second conduit and the third conduit are respectively arranged above the first fan blade and the second fan blade, and the ends of the first conduit, the second conduit and the third conduit are respectively provided with a first electromagnetic valve, a second electromagnetic valve and a third electromagnetic valve.

Preferably, the upper end of the rotating shaft extends to the outer side of the first box body, and a hand wheel is arranged on the outer side of the upper end of the rotating shaft.

Preferably, an air volume adjusting system is carried in the control box, the air volume adjusting system comprises a control chip, a collection module and a conversion module, the input end of the control chip is electrically connected with the output end of the conversion module, the input end of the conversion module is electrically connected with the output end of the collection module, and the input end of the collection module is connected with an air volume sensor.

Preferably, the air quantity sensor is arranged in a ventilating duct at one side of the air quantity regulating and controlling assembly, which is far away from the fan main body.

Compared with the prior art, the utility model has the beneficial effects that: through setting up amount of wind regulation and control subassembly, regulation structure in one side of exhaust passage, be connected the lead screw of amount of wind regulation and control subassembly with the pivot of regulation structure, be connected the intake pipe with the inlet channel through regulation structure simultaneously, and then in the use, through opening or closing first solenoid valve, second solenoid valve, third solenoid valve, regard the air current that the fan main part during operation produced as power supply, realize the fast adjustment of amount of wind under the effect of amount of wind regulation and control subassembly, overall structure is simple, convenient operation is swift, but also manual operation simultaneously.

Drawings

FIG. 1 is a schematic overall structure of the present utility model;

FIG. 2 is a schematic structural view of an air volume control assembly according to the present utility model;

FIG. 3 is a schematic structural view of an adjusting structure of the present utility model;

fig. 4 is a schematic structural diagram of the control system of the present utility model.

In the figure: 1. an air intake passage; 2. an exhaust passage; 3. a fan main body; 4. an air inlet pipe; 5. an air quantity regulating and controlling component; 6. an adjustment structure; 7. a control box; 8. an outer frame; 9. a housing; 10. a fixed rod; 11. a screw rod; 12. a toothed plate; 13. a gear; 14. a baffle; 15. a first case; 16. a second case; 17. a rotating shaft; 18. a first fan blade; 19. a second fan blade; 20. a first conduit; 21. a second conduit; 22. and a third conduit.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: a fan control device comprises a fan main body 3 with an air inlet channel 1 and an air outlet channel 2, an air inlet pipe 4, an air quantity regulating and controlling component 5 arranged at the port of the air outlet channel 2, a regulating structure 6 connected with the air quantity regulating and controlling component 5 and a control box 7;

the air volume control assembly 5 comprises an outer frame 8, a shell 9 and a plurality of fixing rods 10 arranged on the inner side of the outer frame 8, wherein the shell 9 is arranged on one side of the outer frame 8, a screw rod 11 is arranged in the shell 9, a toothed plate 12 is arranged on the outer side of the screw rod 11 in a threaded manner, the toothed plate 12 is in sliding connection with the inner wall of the shell 9, the fixing rods 10 are in rotary connection with the outer frame 8, one ends of the fixing rods 10 penetrate through the outer frame 8 and extend into the shell 9, a gear 13 is arranged on the outer side of the fixing rods, and a baffle 14 is arranged on the outer side of the fixing rods 10 in a meshed manner of the gear 13 and the toothed plate 12;

the adjusting structure 6 is arranged at the upper end of the shell 9, and the air inlet pipe 4 is communicated with the air inlet channel 1 through the adjusting structure 6;

the control box 7 is electrically connected with a motor driver of the fan main body 3.

The adjusting structure 6 comprises two stacked and sealed first boxes 15 and second boxes 16, a rotating shaft 17 penetrating through the first boxes 15 and the second boxes 16, a first fan blade 18 and a second fan blade 19 are respectively arranged in the first boxes 15 and the second boxes 16 and connected with the upper ends of the screw rods 11, and the first fan blade 18 and the second fan blade 19 are respectively arranged on the outer sides of the rotating shaft 17.

The first fan blade 18 and the second fan blade 19 have opposite rotation directions.

The adjusting structure 6 further comprises a first conduit 20, a second conduit 21 and a third conduit 22, two ends of the first conduit 20 are respectively connected with the air inlet pipe 4 and the air inlet channel 1, the first conduit 20 is respectively connected with the first box 15 and the second box 16 through branch pipes, two ends of the second conduit 21 are respectively connected with the air inlet pipe 4 and the first box 15, and two ends of the third conduit 22 are respectively connected with the air inlet pipe 4 and the second box 16.

The second duct 21 and the third duct 22 are respectively arranged above the first fan blade 18 and the second fan blade 19, and the ends of the first duct 20, the second duct 21 and the third duct 22 are respectively provided with a first electromagnetic valve, a second electromagnetic valve and a third electromagnetic valve.

The upper end of the rotating shaft 17 extends to the outer side of the first box 15, and a hand wheel is arranged on the outer side of the upper end of the rotating shaft 17, and the rotating shaft 17 and the screw rod 11 can synchronously rotate through manual rotation of the hand wheel, so that the air volume can be manually adjusted.

The control box 7 is internally provided with an air quantity adjusting system, the air quantity adjusting system comprises a control chip, an acquisition module and a conversion module, the input end of the control chip is electrically connected with the output end of the conversion module, the input end of the conversion module is electrically connected with the output end of the acquisition module, and the input end of the acquisition module is connected with an air quantity sensor.

The air quantity sensor is arranged in a ventilation pipeline at one side of the air quantity regulating and controlling assembly 5 far away from the fan main body 3.

Specifically, when the utility model is used, the motor driver is controlled to work through the control box 7, so that the motor inside the fan main body 3 works, and external air enters the air inlet channel 1 through the air inlet pipe 4 and the first conduit 20 of the adjusting structure 6 and is discharged from the air outlet channel 2, so that air supply is realized.

In the air supply process, the air quantity is monitored in real time through the air quantity sensor, when the real-time air quantity is smaller, the control box 7 controls the first electromagnetic valve and the third electromagnetic valve to be closed, and opens the second electromagnetic valve, at the moment, the outside air enters the first box body 15 through the second guide pipe 21, and under the action of the first fan blade 18, the rotating shaft 17 and the screw rod 11 synchronously rotate, the toothed plate 12 moves downwards, and under the action of the gear 13, the plurality of fixing rods 10 and the outside baffle plates 14 synchronously rotate by taking the axis of the fixing rods 10 as the center, so that the gap between the two adjacent baffle plates 14 is increased, and the air quantity is increased; on the contrary, when the air quantity is larger, the first electromagnetic valve and the second electromagnetic valve are closed, air enters the second box 16 through the third guide pipe 22, the rotating shaft 17 and the screw rod 11 reversely rotate under the action of the second fan blade 19, the fixed rod 10 and the baffle plates 14 reversely rotate by taking the axis of the fixed rod 10 as the center, the gap between two adjacent baffle plates 14 is reduced, and the air quantity is reduced.

After the air quantity is regulated, the control box 7 controls the second electromagnetic valve and the third electromagnetic valve to be closed, and simultaneously opens the first electromagnetic valve to maintain the current air quantity.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," "fourth" may explicitly or implicitly include at least one such feature.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The fan control device is characterized by comprising a fan main body (3) with an air inlet channel (1) and an air outlet channel (2), an air inlet pipe (4), an air quantity regulating component (5) arranged at the port of the air outlet channel (2), an adjusting structure (6) connected with the air quantity regulating component (5) and a control box (7);

the air quantity regulating assembly (5) comprises an outer frame (8), a shell (9) and a plurality of fixing rods (10) arranged on the inner side of the outer frame (8), wherein the shell (9) is arranged on one side of the outer frame (8), a screw rod (11) is arranged in the shell (9), a toothed plate (12) is arranged on the outer side of the screw rod (11) in a threaded mode, the toothed plate (12) is slidably connected with the inner wall of the shell (9), the fixing rods (10) are rotatably connected with the outer frame (8), one end of each fixing rod (10) penetrates through the outer frame (8) and extends to the inner side of the shell (9), a gear (13) is arranged on the outer side of the end, and the gear (13) is meshed with the toothed plate (12), and a baffle (14) is arranged on the outer side of the fixing rods (10);

the adjusting structure (6) is arranged at the upper end of the shell (9), and the air inlet pipe (4) is communicated with the air inlet channel (1) through the adjusting structure (6);

the control box (7) is electrically connected with a motor driver of the fan main body (3).

2. The fan control apparatus as claimed in claim 1, wherein: the adjusting structure (6) comprises two stacked and respectively sealed first boxes (15) and second boxes (16), a rotating shaft (17) penetrating through the first boxes (15) and the second boxes (16), the lower end of the rotating shaft (17) is connected with the upper end of the screw rod (11), first fan blades (18) and second fan blades (19) are respectively arranged in the first boxes (15) and the second boxes (16), and the first fan blades (18) and the second fan blades (19) are all arranged on the outer side of the rotating shaft (17).

3. A fan control apparatus as claimed in claim 2, wherein: the first fan blade (18) and the second fan blade (19) have opposite rotation directions.

4. A fan control apparatus as claimed in claim 2, wherein: the adjusting structure (6) further comprises a first guide pipe (20), a second guide pipe (21) and a third guide pipe (22), wherein two ends of the first guide pipe (20) are respectively connected with the air inlet pipe (4) and the air inlet channel (1), the first guide pipe (20) is respectively connected with the first box body (15) and the second box body (16) through branch pipes, two ends of the second guide pipe (21) are respectively connected with the air inlet pipe (4) and the first box body (15), and two ends of the third guide pipe (22) are respectively connected with the air inlet pipe (4) and the second box body (16).

5. The fan control apparatus as claimed in claim 4, wherein: the second guide pipe (21) and the third guide pipe (22) are respectively arranged above the first fan blade (18) and the second fan blade (19), and the ends of the first guide pipe (20), the second guide pipe (21) and the third guide pipe (22) are respectively provided with a first electromagnetic valve, a second electromagnetic valve and a third electromagnetic valve.

6. A fan control apparatus as claimed in claim 2, wherein: the upper end of the rotating shaft (17) extends to the outer side of the first box body (15), and a hand wheel is arranged on the outer side of the upper end of the rotating shaft (17).

7. The fan control apparatus as claimed in claim 1, wherein: the air quantity adjusting system is mounted in the control box (7) and comprises a control chip, an acquisition module and a conversion module, wherein the input end of the control chip is electrically connected with the output end of the conversion module, the input end of the conversion module is electrically connected with the output end of the acquisition module, and the input end of the acquisition module is connected with an air quantity sensor.

8. The fan control apparatus as claimed in claim 7, wherein: the air quantity sensor is arranged in a ventilating duct at one side of the air quantity regulating and controlling assembly (5) far away from the fan main body (3).