CN213574762U

CN213574762U - Fan air volume adjusting system

Info

Publication number: CN213574762U
Application number: CN202022559658.XU
Authority: CN
Inventors: 曹任; 曹珺; 蔡文光; 谢志光; 陈毅力; 谢志武
Original assignee: Daren Air Conditioning Technology Shenzhen Co ltd
Current assignee: Daren Air Conditioning Technology Shenzhen Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-06-29
Anticipated expiration: 2030-11-06

Abstract

The utility model belongs to the technical field of the fan technique and specifically relates to a fan air volume adjusting system is related to, and it includes motor and pivot, motor and pivot one end fixed connection, fan air volume adjusting system includes air pipe and blade, and the blade is provided with two at least, and fixed connection can all be dismantled with the pivot to two blade one ends, and the pivot rotates with air pipe to be connected, and motor and air pipe fixed connection, motor are connected with the speed regulator, speed regulator and air pipe fixed connection. In this application, when indoor fresh air is abundant, utilize the rotational speed of speed regulator slowdown motor, reduced the ventilation speed of fan simultaneously, the motor rotational speed is few when slow power consumption, has reached the effect that has realized practicing thrift power resources.

Description

Fan air volume adjusting system

Technical Field

The application relates to the field of fan technology, in particular to a fan air volume adjusting system.

Background

The fan is a driven fluid machine which increases the gas pressure and discharges gas by means of input mechanical energy, has wide application range and is often applied to various places needing refrigeration and ventilation.

The related art can refer to chinese patent with publication number CN209244877U, which discloses a ventilator, which comprises a housing, a motor, a rotating shaft and fan blades, wherein ventilation openings are arranged on two sides of the housing, the rotating shaft is positioned in the housing, two ends of the rotating shaft are rotatably connected with the housing, the motor is arranged outside the housing, the motor is fixedly connected with the rotating shaft, the fan blades are provided with six, and one end of each fan blade is fixedly connected with the rotating shaft. The motor is started, the motor drives the rotating shaft to rotate, the rotating shaft simultaneously drives the six fan blades to rotate, and the fan blades drive air to flow, so that the fan achieves the ventilation effect.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: under the condition that quick ventilation is not needed, the fan maintains the original ventilation speed, and waste of power resources is caused.

SUMMERY OF THE UTILITY MODEL

In order to save power resources, the application provides a fan air volume adjusting system.

The application provides a fan air volume governing system adopts following technical scheme:

the utility model provides a fan air volume governing system, includes motor and pivot, motor and pivot one end fixed connection, fan air volume governing system includes air pipe and blade, and the blade is provided with two at least, and fixed connection can all be dismantled with the pivot to two blade one ends, and the pivot rotates with air pipe to be connected, motor and air pipe fixed connection, and the motor is connected with the speed regulator, speed regulator and air pipe fixed connection.

By adopting the technical scheme, when in ventilation, the motor is started, the motor drives the two blades to rotate through the rotating shaft, the two blades rotate to drive air to flow, and outdoor fresh air is input into a room; when the indoor fresh air is abundant, the rotating speed of the motor is slowed down by the speed regulator, meanwhile, the ventilation speed of the fan is reduced, the electricity consumption is low when the rotating speed of the motor is slow, and the effect of saving electric power resources is achieved.

Preferably, the blades are of a telescopic structure.

Through adopting above-mentioned technical scheme, when the ventilation speed of fan needs to be accelerated, extend the blade, the area of blade and air contact increases, and the rotation of extension back blade has increased mobile air volume, has realized accelerating fan ventilation speed's purpose, does not use too much electric power simultaneously, and is energy-concerving and environment-protective.

Preferably, the blades comprise fixed blades and movable blades, one ends of the fixed blades are fixedly connected with the rotating shaft, one ends of the movable blades are inserted into the fixed blades, and the movable blades are slidably connected with the fixed blades.

Through adopting above-mentioned technical scheme, remove movable blade, movable blade slides in fixed blade, and movable blade exposes fixed blade's part and increases, has realized the extension of blade, has improved movable blade's convenience.

Preferably, the movable blade is fixedly connected with a sliding block, the fixed blade is provided with a sliding chute, and the sliding block is slidably connected with the fixed blade provided with the sliding chute.

By adopting the technical scheme, the movable blade is moved, the movable blade slides in the fixed blade, and the movable blade drives the sliding block to slide along the sliding groove, so that the sliding connection between the fixed blade and the movable blade is realized; meanwhile, the sliding groove plays a role in guiding the sliding block, so that the movable blade slides along the length direction of the fixed blade.

Preferably, an electric push rod is arranged between the movable blade and the fixed blade, and two ends of the electric push rod are respectively and fixedly connected with the movable blade and the fixed blade.

Through adopting above-mentioned technical scheme, when the blade is extended to needs, start electric putter, electric putter promotes movable blade and slides along fixed blade, and electric putter extension's length is controllable, has reduced the degree of difficulty of adjusting the blade simultaneously, has realized the automatically regulated of blade length.

Preferably, be provided with coupling assembling between blade and the pivot, coupling assembling includes connecting plate and connecting bolt, and connecting plate one side is close to pivot one end fixed connection with the blade, and connecting bolt one end passes behind the connecting plate with pivot threaded connection.

Through adopting above-mentioned technical scheme, when the installation blade, the removal blade is close to the pivot, and the blade drives connecting plate and pivot butt, then swivelling joint bolt makes connecting bolt one end pass behind the connecting plate with pivot threaded connection to realized being connected with dismantling of pivot of blade, improved the convenience of blade installation and dismantlement simultaneously.

Preferably, the blades are arranged obliquely.

Through adopting above-mentioned technical scheme, the flow of air has been accelerated to the blade of slope, has improved the ventilation effect of fan.

Preferably, the air inlet of the ventilation pipeline is provided with a protective net, and the protective net is fixedly connected with the ventilation pipeline.

Through adopting above-mentioned technical scheme, the protection network plays the guard action, and in the protection network stopped that some materials such as plastics get into air pipe in keeping out the wind to prevent that materials such as plastics from twining on the blade, not only slowed down blade pivoted speed, also caused the damage to the blade, the life-span of blade has been increased in the setting of protection network.

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

1. through the arrangement of the motor, the rotating shaft, the ventilating duct, the blades and the speed regulator, when indoor fresh air is abundant, the rotating speed of the motor is slowed down by the speed regulator, meanwhile, the ventilating speed of the fan is reduced, the power consumption is low when the rotating speed of the motor is slow, and the effect of saving power resources is achieved;

2. the purpose of accelerating the ventilation speed of the fan is achieved through the telescopic structure of the blades, and meanwhile, excessive electric power is not used, so that the energy is saved and the environment is protected;

3. through the arrangement of the connecting plate and the connecting bolt, the detachable connection of the blade and the rotating shaft is realized, and the convenience of blade installation and detachment is improved.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

fig. 2 is a schematic structural view of a ventilation duct;

FIG. 3 is a schematic view of the construction of the ventilation device;

fig. 4 is a schematic view of the structure of the blade.

Description of reference numerals: 1. a ventilation duct; 11. a protective net; 2. a motor; 3. a rotating shaft; 31. a strut; 311. a support; 4. a blade; 41. a fixed blade; 411. a chute; 42. a movable blade; 421. a slider; 5. a speed regulator; 6. an electric push rod; 61. a fixed block; 7. a connecting assembly; 71. a connecting plate; 72. a connecting bolt; 8. a wall.

Detailed Description

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

The embodiment of the application discloses fan amount of wind governing system. Referring to fig. 1, a fan air volume adjusting system includes a ventilation duct 1 and a ventilation device, the ventilation duct 1 is internally penetrated in a wall 8, the outer side wall of the ventilation duct 1 is fixedly connected with the wall 8, and the ventilation device is located in the ventilation duct 1. The ventilation device is started to ventilate, and the outside fresh air is taken into the wall 8 through the ventilation pipeline 1.

Referring to fig. 1, a ventilation duct 1 is horizontally arranged, the ventilation duct 1 is arranged in a cylindrical shape with openings at two ends, two ends of the ventilation duct 1 are respectively flush with two sides of a wall 8, one end of the ventilation duct 1, which is positioned outside the wall 8, is an air inlet, and the other end is an air outlet; in order to prevent foreign matters from entering the ventilation duct 1, the air inlet is provided with a protective net 11, the protective net 11 covers the air inlet, and the protective net 11 is fixedly connected with the ventilation duct 1. Outside air enters the ventilation pipeline 1 from the air inlet and then is exhausted out of the room from the air outlet through the ventilation pipeline 1; the protective net 11 prevents external floating substances from entering the ventilation duct 1 and damaging the ventilation device, and the protective net 11 protects the ventilation device.

Referring to fig. 2 and 3, the ventilation device comprises a rotating shaft 3, a motor 2 and blades 4, wherein the rotating shaft 3 is horizontally arranged, referring to fig. 1, the length direction of the rotating shaft 3 is the same as that of the ventilation pipeline 1, a supporting rod 31 is arranged between the rotating shaft 3 and the ventilation pipeline 1, the supporting rod 31 is vertically arranged, a supporting seat 311 is arranged at the bottom end of the supporting rod 31, the supporting seat 311 is horizontally arranged, the top end of the supporting seat 311 is fixedly connected with the bottom end of the supporting rod 31, and the bottom end of the supporting seat; one end of the rotating shaft 3 penetrates through the supporting rod 31, and the rotating shaft 3 is rotatably connected with the supporting rod 31. The support rod 31 provides support for the rotating shaft 3, and rotation of the support rod 31 is guaranteed.

Referring to fig. 1 and 3, the motor 2 and the end of the rotating shaft 3 far away from the protective screen 11 are fixedly connected, the motor 2 and the side wall of the supporting rod 31 are fixedly connected, the side of the motor 2 far away from the supporting rod 31 is provided with the speed regulator 5, and the speed regulator 5 is fixedly connected with the motor 2. The speed regulator 5 is used for regulating the rotating speed of the motor 2 according to actual conditions, so that the adjustability of the rotating speed of the motor 2 is realized; when the indoor fresh air is abundant, the rotating speed of the motor 2 is slowed down by the gearbox, meanwhile, the ventilation speed of the fan is reduced, the electricity consumption is low when the rotating speed of the motor 2 is slow, and the effect of saving electric power resources is achieved.

Referring to fig. 3, five blades 4 are arranged, the shape, structure and size of the five blades 4 are completely the same, one end of each of the five blades 4 is fixedly connected with one end of the rotating shaft 3 far away from the motor 2, the distances between the five blades 4 and the end face of the rotating shaft 3 are the same, and the distances between two adjacent blades 4 are the same; five blades 4 all incline to set up, and the top of every blade 4 all keeps away from the motor 2 direction. The motor 2 is started, the motor 2 drives the rotating shaft 3 to rotate, the rotating shaft 3 drives the five blades 4 to simultaneously start to rotate, the rotation of the five blades 4 drives the air to flow, outdoor fresh air is input into a room, and the ventilation purpose is achieved; the ventilation effect of the fan is improved due to the arrangement of the number of the blades 4.

Referring to fig. 4, a connection assembly 7 is arranged between each blade 4 and the rotating shaft 3, each connection assembly 7 includes a connection plate 71 and two connection bolts 72, one side of each connection plate 71 is fixedly connected with one end of each blade 4 close to the rotating shaft 3, the other side of each connection plate is provided with a radian, the radian surface of each connection plate 71 is matched with the side wall of the rotating shaft 3, the two connection bolts 72 are arranged, the two connection bolts 72 are respectively located on two sides of each blade 4, and one ends of the two connection bolts 72 are connected with the rotating shaft 3 in a threaded manner.

When the blades 4 are installed, the movable blades 4 are close to the rotating shaft 3, the blades 4 drive the connecting plates 71 to abut against the rotating shaft 3, then the two connecting bolts 72 are rotated, one ends of the two connecting bolts 72 penetrate through the connecting plates 71 and then are in threaded connection with the rotating shaft 3, and then the steps are repeated for other blades 4, so that the blades 4 are detachably connected with the rotating shaft 3; when the blade 4 needs to be cleaned, the connecting bolt 72 is rotated to enable the connecting bolt 72 to be far away from the connecting plate 71, at the moment, the state that the blade 4 is fixedly connected with the rotating shaft is released, the steps of the disassembling process of the blade 4 are simple, and the operation is convenient.

Referring to fig. 4, each blade 4 includes a fixed blade 41 and a movable blade 42, the fixed blade 41 and the movable blade 42 are arranged in parallel, one end of the fixed blade 41 is fixedly connected to the connecting plate 71, the other end of the fixed blade is of an open structure, a cavity is formed in the fixed blade 41, one end of the movable blade 42 is inserted into the open end of the fixed blade 41, and the movable blade 42 is slidably connected to the fixed blade 41. The movable blade 42 is moved, and the movable blade 42 slides in the fixed blade 41, so that the part of the movable blade 42 exposed out of the fixed blade 41 is increased or shortened, and the extension and contraction of the length of the blade 4 are realized; when the length of the blade 4 is increased, the contact area of the blade 4 and the air is increased, the air flow in the fan is increased, and the ventilation efficiency of the fan is improved.

Referring to fig. 4, the outer side wall of each fixed blade 41 has all seted up spout 411 along the length direction of fixed blade 41, spout 411 runs through the inner side wall of fixed blade 41, slider 421 is used with the cooperation of spout 411, slider 421 and movable blade 42 outer side wall fixed connection, slider 421 is kept away from movable blade 42 one end and is passed spout 411 and expose, the slider 421 that exposes movable blade 42 is connected with electric putter 6, electric putter's quantity is the same with 4 quantity of blade, electric putter 6 one end is close to pivot 3 one side fixed connection with slider 421, the other end is connected with fixed block 61, fixed block 61 and fixed blade 41's outer side wall fixed connection, fixed block 61 keeps away from pivot 3 one side and electric putter 6 fixed connection.

When the length of the blade 4 is extended, the electric push rod 6 is started, the electric push rod 6 pushes the sliding block 421 to slide along the sliding groove 411, the sliding block 421 drives the movable blade 42 to slide along the fixed blade 41, the movable blade 42 is far away from the rotating shaft 3, the part of the movable blade 42 exposed out of the fixed blade 41 is increased until the sliding block 421 is abutted to the side wall of the sliding groove 411 far away from the rotating shaft 3, the movable blade 42 stops moving, the electric push rod 6 fixes the position of the sliding block 421, the length of the blade 4 is fixed, and then the rotating ventilation is performed.

When needing to resume original length of blade 4, close electric putter 6, electric putter 6 drives slider 421 and reverses to slide along spout 411, and slider 421 drives movable blade 42 and slides along fixed blade 41, and movable blade 42 is close to pivot 3, has realized returning of blade 4 and has retracted, and electric putter 6 has realized the automation of blade 4 and has stretched out and drawn back, has reduced adjusting blade 4's the degree of difficulty, and electric putter 6 simple structure, and the practicality is high.

The implementation principle of the fan air volume adjusting system in the embodiment of the application is as follows: when the fan is used for indoor ventilation, firstly, the blade 4 is moved to be close to the rotating shaft 3, the blade 4 drives the connecting plate 71 to be abutted against the rotating shaft 3, then the two connecting bolts 72 are rotated, one ends of the two connecting bolts 72 penetrate through the connecting plate 71 and then are in threaded connection with the rotating shaft 3, and then the steps are repeated for other blades 4; and then starting the electric push rod 6, wherein the electric push rod 6 pushes the sliding block 421 to slide along the sliding groove 411, the sliding block 421 drives the movable blade 42 to slide along the fixed blade 41, the movable blade 42 is far away from the rotating shaft 3, the part of the movable blade 42, which is exposed out of the fixed blade 41, is increased until the sliding block 421 is abutted against the side wall of the sliding groove 411, which is far away from the rotating shaft 3, the movable blade 42 stops moving, the length of the blade 4 is fixed, and the steps are repeated for the rest of the electric.

After all blades 4 all extend, adjust the rotational speed of motor 2 according to actual conditions, start motor 2 after the adjustment is accomplished, motor 2 drives pivot 3 and rotates, and pivot 3 drives five blades 4 and begins to rotate simultaneously, and the rotation of five blades 4 has driven the flow of air, and external fresh air gets into in air pipe 1 from the air intake, then via air pipe 1 from the air outlet discharge indoor, has realized the effect of ventilating.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a fan air volume governing system, includes motor (2) and pivot (3), motor (2) and pivot (3) one end fixed connection, its characterized in that: fan air volume governing system includes air pipe (1) and blade (4), and blade (4) are provided with two at least, and fixed connection can all be dismantled with pivot (3) to two blade (4) one ends, and pivot (3) rotate with air pipe (1) to be connected, motor (2) and air pipe (1) fixed connection, and motor (2) are connected with speed regulator (5), speed regulator (5) and air pipe (1) fixed connection.

2. The fan air volume adjusting system of claim 1, characterized in that: the blades (4) are of telescopic structures.

3. The fan air volume adjusting system of claim 2, characterized in that: the blades (4) comprise fixed blades (41) and movable blades (42), one ends of the fixed blades (41) are fixedly connected with the rotating shaft (3), one ends of the movable blades (42) are inserted into the fixed blades (41), and the movable blades (42) are slidably connected with the fixed blades (41).

4. A fan air volume adjusting system according to claim 3, characterized in that: the movable blade (42) is fixedly connected with a sliding block (421), the fixed blade (41) is provided with a sliding groove (411), and the sliding block (421) is in sliding connection with the fixed blade (41) provided with the sliding groove (411).

5. A fan air volume adjusting system according to claim 3, characterized in that: an electric push rod (6) is arranged between the movable blade (42) and the fixed blade (41), and two ends of the electric push rod (6) are respectively fixedly connected with the movable blade (42) and the fixed blade (41).

6. The fan air volume adjusting system of claim 1, characterized in that: be provided with coupling assembling (7) between blade (4) and pivot (3), coupling assembling (7) are including connecting plate (71) and connecting bolt (72), and connecting plate (71) one side is close to pivot (3) one end fixed connection with blade (4), and connecting bolt (72) one end is passed behind connecting plate (71) and is connected with pivot (3) screw thread.

7. The fan air volume adjusting system of claim 1, characterized in that: the blades (4) are arranged obliquely.

8. The fan air volume adjusting system of claim 1, characterized in that: the air inlet of the ventilation pipeline (1) is provided with a protective net (11), and the protective net (11) is fixedly connected with the ventilation pipeline (1).