CN213016896U

CN213016896U - High-efficiency centrifugal fan

Info

Publication number: CN213016896U
Application number: CN202021812258.9U
Authority: CN
Inventors: 谢社友; 蒋海锋; 段志军; 朱兰岚
Original assignee: Fengfengjia Fan Shanghai Co ltd
Current assignee: Fengfengjia Fan Shanghai Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-04-20
Anticipated expiration: 2030-08-26

Abstract

The utility model discloses a high-efficiency centrifugal fan, which comprises a public chassis, wherein the public chassis is fixedly connected with a water storage tank, the water storage tank is fixedly connected with a water replenishing pipe, the water storage tank is fixedly connected with a heat dissipation mechanism, the heat dissipation mechanism is fixedly connected with a first belt pulley, the first belt pulley is connected with a second belt pulley through a belt, the second belt pulley is fixedly connected with a main shaft, a bearing seat is sleeved on the main shaft, a heat dissipation impeller is fixedly connected on the main shaft, the left end of the main shaft penetrates through a casing and extends into the casing, the bottom of the casing is fixedly connected with the public chassis, one end of the main shaft positioned in the casing is fixedly connected with an impeller, the left end of the impeller is provided with an air inlet, the utility model enables heat generated by a motor to be discharged from a motor box at the first time, cooled gas is discharged into the motor box, the cooling effect is played, preventing dust from damaging the motor.

Description

High-efficiency centrifugal fan

Technical Field

The utility model relates to a centrifugal fan field especially relates to high-efficient centrifugal fan.

Background

The centrifugal ventilator is one of four parts in a dedusting ventilation system, is a relatively precise running machine, and can suck external air into the fan by means of negative pressure formed in the fan by means of rotation of an impeller and discharge the external air out of the fan through an impeller flow channel and a volute.

However, the centrifugal fan is often used in places with large dust, the motor is a power source of the centrifugal fan, so in order to ensure the operation safety of the motor, the motor is generally sealed by the motor box, however, after the motor box is sealed, the heat dissipation effect of the motor is seriously affected, so that the use safety of the centrifugal fan is affected, and the motor is seriously damaged due to overheating, and the efficiency of the motor is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high-efficient centrifugal fan to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize:

high-efficient centrifugal fan, including public chassis, public chassis top rigid coupling has the storage water tank, storage water tank right side rigid coupling has the moisturizing pipe, storage water tank top rigid coupling has heat dissipation mechanism, heat dissipation mechanism right side rigid coupling has first belt pulley, first belt pulley top is provided with the second belt pulley, first belt pulley is connected with the second belt pulley through the belt, the inside rigid coupling of second belt pulley has the main shaft, the cover is equipped with two bearing frames on the main shaft, bearing frame bottom and heat dissipation mechanism top rigid coupling, the rigid coupling has the heat dissipation impeller on the main shaft, the main shaft left end runs through the casing and extends to inside the casing, chassis bottom and public chassis rigid coupling, the one end rigid coupling that the main shaft is located the casing inside has the impeller, the impeller left end is provided with the air intake.

Preferably, the first belt pulley and the second belt pulley are made of carbon steel.

Preferably, the heat dissipation mechanism comprises a heat dissipation box, a motor box, an air outlet pipe, a first connecting pipe, a ventilation box, an exhaust fan, an air inlet pipe and a second connecting pipe, the bottom of the heat dissipation box is fixedly connected with the water storage tank, the top of the heat dissipation box is fixedly connected with the bearing block, the inner wall of the right side of the inner cavity of the heat dissipation box is fixedly connected with a motor box, a motor is fixedly connected in the motor box, a power output shaft of the motor penetrates through the heat dissipation box and extends to the right side of the heat dissipation box to be fixedly connected with the first belt pulley, the inner wall of the left side of the inner cavity of the heat dissipation box is fixedly connected with a ventilation box, the top of the ventilation box is communicated with the top of the motor box through a first connecting pipe, the bottom of the air exchange box is communicated with the bottom of the motor box through a second connecting pipe, an exhaust fan is fixedly connected in the air exchange box, the upper end of the right side of the air exchange box is fixedly connected with an air outlet pipe in a penetrating mode, and the bottom of the air exchange box is fixedly connected with an air inlet pipe in a penetrating mode.

Preferably, the bottom of the air inlet pipe is fixedly connected with a filter screen, and the air inlet pipe is made of carbon steel.

Preferably, the bottom rigid coupling of heat dissipation case inner chamber has a plurality of support frames, be provided with the cooling tube on the support frame, inside the cooling tube both ends all run through the storage water tank and extend to the storage water tank, be located left cooling tube of storage water tank and water pump play water end rigid coupling, water pump and storage water tank rigid coupling, be provided with liquid coolant in the storage water tank.

Preferably, the radiating pipe is U-shaped, the radiating pipe is stainless steel.

The utility model has the advantages that:

1. the utility model discloses a starter motor, the power output shaft of motor drive first belt pulley rotatory, and it is rotatory that first belt pulley passes through the belt and drives the second belt pulley, it is rotatory that the second belt pulley drives the main shaft, and the main shaft drives heat dissipation impeller and impeller rotation to make centrifugal fan begin work.

2. When the motor during operation, start exhaust fan and water pump, the liquid coolant in the water pump with the storage water tank is extracted to the cooling tube in, return to the storage water tank again behind the cooling tube, the liquid coolant forms dynamic balance in the cooling tube, continuously provide air conditioning for the heat dissipation case, the exhaust fan absorbs the heat that the motor produced in with the motor case through first connecting pipe, it is cooled by air conditioning to go into the heat dissipation case through the play tuber pipe, simultaneously with it, the suction that the exhaust fan produced passes through the air-supply line with the gas in the heat dissipation case, the motor case is carried to the second connecting pipe, thereby reach dynamic balance, make the heat that the motor produced can discharge from the motor case very first time, the gas that will be cooled is discharged into the motor case, can play the cooling effect to the motor, the filter screen of air-supply line bottom rigid coupling can block the dust and get into the.

Drawings

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

FIG. 2 is a sectional view of the water storage tank and the heat dissipation tank of the present invention;

reference numerals: 1-a common chassis; 2-a water storage tank; 3-a heat dissipation box; 4-an electric motor; 5-a belt; 6-a first belt pulley; 7-a second pulley; 8-bearing seats; 9-a main shaft; 10-a heat dissipation impeller; 11-a housing; 12-an impeller; 13-air inlet; 14-a motor case; 15-air outlet pipe; 16-a first connection pipe; 17-a ventilation box; 18-exhaust fan; 19-an air inlet pipe; 20-a filter screen; 21-a second connecting tube; 22-a support frame; 23-radiating pipes; 24-a water replenishing pipe; 25-liquid coolant; 26-water pump.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

A high-efficiency centrifugal fan comprises a public chassis 1, wherein a water storage tank 2 is fixedly connected to the top of the public chassis 1, a water replenishing pipe 24 is fixedly connected to the right side of the water storage tank 2, a heat dissipation mechanism is fixedly connected to the top of the water storage tank 2 and comprises a heat dissipation box 3, a motor 4, a motor box 14, an air outlet pipe 15, a first connecting pipe 16, an air exchange box 17, an exhaust fan 18, an air inlet pipe 19 and a second connecting pipe 21, the bottom of the heat dissipation box 3 is fixedly connected with the water storage tank 2, a plurality of support frames 22 are fixedly connected to the bottom of an inner cavity of the heat dissipation box 3, a heat dissipation pipe 23 is arranged on each support frame 22, two ends of each heat dissipation pipe 23 penetrate through the water storage tank 2 and extend into the water storage tank 2, a heat dissipation pipe 23 positioned on the left side of the water storage tank 2 is fixedly connected with the water outlet, a motor box 14 is fixedly connected to the inner wall of the right side of the inner cavity of the heat dissipation box 3, a motor 4 is fixedly connected to the motor box 14, a power output shaft of the motor 4 penetrates through the heat dissipation box 3 and extends to the right side of the heat dissipation box 3 to be fixedly connected with a first belt pulley 6, a ventilation box 17 is fixedly connected to the inner wall of the left side of the inner cavity of the heat dissipation box 3, the top of the ventilation box 17 is communicated with the top of the motor box 14 through a first connecting pipe 16, the bottom of the ventilation box 17 is communicated with the bottom of the motor box 14 through a second connecting pipe 21, an exhaust fan 18 is fixedly connected to the inside of the ventilation box 17, an air outlet pipe 15 is fixedly connected to the upper end of the right side of the ventilation box 17, an air inlet pipe 19 is fixedly connected to the bottom of the air inlet pipe 19, a filter screen 20 is fixedly connected to the bottom of the air inlet pipe 19, the right side, first belt pulley 6, second belt pulley 7 are all carbon steel material, the inside rigid coupling of second belt pulley 7 has main shaft 9, the cover is equipped with two bearing frames 8 on main shaft 9, bearing frame 8 bottom and heat dissipation mechanism top rigid coupling, the rigid coupling has heat dissipation impeller 10 on main shaft 9, main shaft 9 left end runs through casing 11 and extends to inside casing 11, casing 11 bottom and public chassis 1 rigid coupling, main shaft 9 is located the inside one end rigid coupling of casing 11 has impeller 12, impeller 12 left end is provided with air intake 13.

The working principle is as follows: by starting the motor 4, the power output shaft of the motor 4 drives the first belt pulley 6 to rotate, the first belt pulley 6 drives the second belt pulley 7 to rotate through the belt 5, the second belt pulley 7 drives the main shaft 9 to rotate, the main shaft 9 drives the heat dissipation impeller 10 and the impeller 12 to rotate, so that the centrifugal ventilator starts to work, when the motor 4 works, the exhaust fan 18 and the water pump 26 are started, the water pump 26 pumps the liquid coolant 25 in the water storage tank 2 into the heat dissipation pipe 23, the liquid coolant returns to the water storage tank 2 through the heat dissipation pipe 23, the liquid coolant 25 forms dynamic balance in the heat dissipation pipe 23 and continuously provides cold air for the heat dissipation box 3, the exhaust fan absorbs heat generated by the motor connecting pipe 4 in the motor box 14 through the first connecting pipe 18, the heat is discharged into the heat dissipation box 3 through the air outlet pipe 15 and is cooled by the cold air, and simultaneously, the suction force generated by the exhaust fan 18 enables air in the, The second connecting pipe 21 is conveyed to the motor box 14, so that dynamic balance is achieved, heat generated by the motor 4 can be discharged from the motor box 14 at the first time, cooled gas is discharged into the motor box 14, a cooling effect on the motor 4 can be achieved, the filter screen 20 fixedly connected to the bottom of the air inlet pipe 19 can block dust from entering the motor box 14, and the dust is prevented from damaging the motor 4.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. High-efficient centrifugal fan, including public chassis (1), its characterized in that: the water-saving and heat-dissipating device is characterized in that a water storage tank (2) is fixedly connected to the top of a public chassis (1), a water replenishing pipe (24) is fixedly connected to the right side of the water storage tank (2), a heat-dissipating mechanism is fixedly connected to the top of the water storage tank (2), a first belt pulley (6) is fixedly connected to the right side of the heat-dissipating mechanism, a second belt pulley (7) is arranged above the first belt pulley (6), the first belt pulley (6) is connected with the second belt pulley (7) through a belt (5), a main shaft (9) is fixedly connected to the inside of the second belt pulley (7), two bearing seats (8) are sleeved on the main shaft (9), the bottom of each bearing seat (8) is fixedly connected to the top of the heat-dissipating mechanism, a heat-dissipating impeller (10) is fixedly connected to the main shaft (9), the left end of the main shaft (9) penetrates through a casing (, the air conditioner is characterized in that one end, located inside the casing (11), of the main shaft (9) is fixedly connected with an impeller (12), and an air inlet (13) is formed in the left end of the impeller (12).

2. The high efficiency centrifugal fan of claim 1, wherein: the first belt pulley (6) and the second belt pulley (7) are made of carbon steel.

3. The high efficiency centrifugal fan of claim 1, wherein: the heat dissipation mechanism comprises a heat dissipation box (3), a motor (4), a motor box (14), an air outlet pipe (15), a first connecting pipe (16), a ventilation box (17), an exhaust fan (18), an air inlet pipe (19) and a second connecting pipe (21), wherein the bottom of the heat dissipation box (3) is fixedly connected with a water storage tank (2), the top of the heat dissipation box (3) is fixedly connected with a bearing seat (8), the inner wall of the right side of the inner cavity of the heat dissipation box (3) is fixedly connected with the motor box (14), the motor (4) is fixedly connected in the motor box (14), a power output shaft of the motor (4) penetrates through the heat dissipation box (3) and extends to the right side of the heat dissipation box (3) to be fixedly connected with a first belt pulley (6), the inner wall of the left side of the inner cavity of the heat dissipation box (3) is fixedly connected with the ventilation box (17), and the top of the, the utility model discloses a fan, including scavenging air box (17), motor case (14), exhaust fan (18), ventilation box (17) bottom and motor case (14) bottom are linked together through second connecting pipe (21), the rigid coupling has exhaust fan (18) in scavenging air box (17), the rigid coupling has air-out pipe (15) to run through on scavenging air box (17) right side upper end, the rigid coupling has air-supply line (19) to run through bottom scavenging air box (17).

4. The high efficiency centrifugal fan of claim 3, wherein: a filter screen (20) is fixedly connected to the bottom of the air inlet pipe (19), and the air inlet pipe (19) is made of carbon steel.

5. The high efficiency centrifugal fan of claim 3, wherein: the utility model discloses a solar water heater, including heat dissipation case (3), heat dissipation case (3) inner chamber bottom rigid coupling has a plurality of support frames (22), be provided with cooling tube (23) on support frame (22), inside cooling tube (23) both ends all run through storage water tank (2) and extend to storage water tank (2), are located left cooling tube (23) of storage water tank (2) and water pump (26) play water end rigid coupling, water pump (26) and storage water tank (2) rigid coupling, be provided with liquid cooling agent (25) in storage water tank (2).

6. The high efficiency centrifugal fan of claim 5, wherein: the radiating pipe (23) is U-shaped, and the radiating pipe (23) is made of stainless steel.