阅读说明：本技术 一种永磁同步高速离心式无油鼓风机 (Permanent magnet synchronous high-speed centrifugal oil-free air blower ) 是由 余浪波 赵迎普 盛昌国 于 2020-06-18 设计创作，主要内容包括：本发明公开了一种永磁同步高速离心式无油鼓风机,包括电机和风机罩,所述风机罩的内部安装有叶轮,所述电机的输出轴与叶轮固定连接,所述风机罩远离电机一侧的中间位置安装有进风管,所述风机罩前侧的下方安装有出风管,所述出风管靠近电机的一侧安装有电机冷却组件,所述电机和风机罩之间安装有轴承组件,所述轴承组件的下方安装有供液组件,所述供液组件与轴承组件的内部相通。本发明中,通过电机冷却组件之间的配合工作,鼓风机运行时,输风管将出风管内的出风分流至冷却管内,通过分流管将出风输送至电机的内部,对电机进行冷却,分流管对冷却管的出风进行分流,使进入电机内的出风均匀分布,提高电机冷却组件的冷却效果。(The invention discloses a permanent magnet synchronous high-speed centrifugal oil-free blower which comprises a motor and a fan cover, wherein an impeller is arranged in the fan cover, an output shaft of the motor is fixedly connected with the impeller, an air inlet pipe is arranged in the middle of one side, away from the motor, of the fan cover, an air outlet pipe is arranged below the front side of the fan cover, a motor cooling assembly is arranged on one side, close to the motor, of the air outlet pipe, a bearing assembly is arranged between the motor and the fan cover, a liquid supply assembly is arranged below the bearing assembly, and the liquid supply assembly is communicated with the inside of the bearing assembly. According to the invention, through the cooperation between the motor cooling assemblies, when the blower runs, the air output pipe divides the air output in the air output pipe into the cooling pipes, the air output is conveyed to the interior of the motor through the flow dividing pipe to cool the motor, and the flow dividing pipe divides the air output of the cooling pipes, so that the air output entering the motor is uniformly distributed, and the cooling effect of the motor cooling assemblies is improved.)

1. The permanent magnet synchronous high-speed centrifugal oil-free air blower comprises a motor (1) and a fan cover (3), and is characterized in that an impeller is mounted inside the fan cover (3), an output shaft of the motor (1) is fixedly connected with the impeller, an air inlet pipe (4) is mounted in the middle of one side, away from the motor (1), of the fan cover (3), an air outlet pipe (5) is mounted below the front side of the fan cover (3), a motor cooling assembly (6) is mounted on one side, close to the motor (1), of the air outlet pipe (5), a bearing assembly (2) is mounted between the motor (1) and the fan cover (3), a liquid supply assembly (7) is mounted below the bearing assembly (2), and the liquid supply assembly (7) is communicated with the inside of the bearing assembly (2);

motor cooling module (6) are including defeated tuber pipe (61), defeated tuber pipe (61) are installed in one side that goes out tuber pipe (5) and is close to motor (1), cooling tube (62) are installed to the end of defeated tuber pipe (61), a plurality of shunt tubes (63) are installed to one side that cooling tube (62) are close to motor (1), the end of shunt tubes (63) runs through to the inside of motor (1).

2. The permanent magnet synchronous high-speed centrifugal oil-free blower according to claim 1, wherein the bearing assembly (2) comprises a box body (21), the box body (21) is installed on the outer side between the motor (1) and the fan cover (3), a bearing seat (22) is installed in the middle of the inside of the box body (21), a bearing (23) is installed on the inner side of the bearing seat (22), the bearing (23) is located on the outer side of an output shaft of the motor (1), and sealing rings (24) are installed at two ends of the inside of the box body (21).

3. The permanent magnet synchronous high-speed centrifugal oil-free blower according to claim 2, wherein the size of the bearing seat (22) is matched with that of the box body (21), the size of the sealing ring (24) is matched with that of the box body (21), a through groove is formed in the sealing ring (24), the size of the through groove of the sealing ring (24) is matched with that of an output shaft of the motor (1), and one side, away from the bearing seat (22), of the sealing ring (24) is attached to the inner wall of the box body (21).

4. The permanent magnet synchronous high-speed centrifugal oil-free blower according to claim 1, wherein the liquid supply assembly (7) comprises a liquid supply tank (71), the liquid supply tank (71) is installed below the box body (21), the liquid supply tank (71) is connected with the lower portion of the box body (21) through a liquid inlet pipe (73), the liquid supply tank (71) is connected with the upper portion of the box body (21) through a liquid outlet pipe (76), a filter screen (72) is installed inside the liquid supply tank (71), the filter screen (72) is located between the liquid inlet pipe (73) and the liquid outlet pipe (76), a booster pump (74) is installed on the liquid inlet pipe (73), and a refrigerator (75) is installed above the booster pump (74).

5. The permanent magnet synchronous high-speed centrifugal type oil-free blower according to claim 4, wherein the booster pump (74) is electrically connected with the control system and the power supply system of the blower through wires, respectively, the booster pump (74) is of LY-JLM type, the refrigerator (75) is electrically connected with the control system and the power supply system of the blower through wires, respectively, and the refrigerator (75) is of TEC1-12715 type.

Technical Field

The invention relates to the technical field of centrifugal oil-free blowers, in particular to a permanent magnet synchronous high-speed centrifugal oil-free blower.

Background

The blower mainly consists of motor, air filter, blower body, air chamber and base seat, and is characterized by that said blower is eccentrically run by means of offset rotor in cylinder, and can make the volume change between blades in the rotor groove to suck, compress and discharge air, and utilizes the pressure difference of said blower to automatically feed the lubricating oil into oil-dripping nozzle, and drip it into cylinder so as to reduce friction and noise, at the same time can retain the gas in the cylinder from back-flowing.

The high-speed centrifugal oil-free blower disclosed as the No. CN 210660586U realizes that the cooling liquid can play a lubricating role, and the circulating setting can ensure that grinding slag can be taken out of a bearing cavity in time and prevent the bearing from being worn due to rotation, but does not solve the problem that the existing permanent magnet synchronous high-speed centrifugal oil-free blower adopts a cooling fan to cool a motor, increases the running cost of the blower, has a poor cooling effect and prolongs the service life of the motor.

Disclosure of Invention

The invention aims to solve the problems that the existing permanent magnet synchronous high-speed centrifugal oil-free blower adopts a cooling fan to cool a motor, the running cost of the blower is increased, the cooling effect is poor, and the service life of the motor is shortened.

In order to achieve the purpose, the invention adopts the following technical scheme:

a permanent magnet synchronous high-speed centrifugal oil-free blower comprises a motor and a fan cover, wherein an impeller is arranged in the fan cover, an output shaft of the motor is fixedly connected with the impeller, an air inlet pipe is arranged in the middle of one side, away from the motor, of the fan cover, an air outlet pipe is arranged below the front side of the fan cover, a motor cooling assembly is arranged on one side, close to the motor, of the air outlet pipe, a bearing assembly is arranged between the motor and the fan cover, a liquid supply assembly is arranged below the bearing assembly, and the liquid supply assembly is communicated with the inside of the bearing assembly;

the motor cooling assembly comprises an air conveying pipe, the air conveying pipe is arranged on one side, close to the motor, of the air outlet pipe, the cooling pipe is arranged at the tail end of the air conveying pipe, a plurality of shunt pipes are arranged on one side, close to the motor, of the cooling pipe, and the tail ends of the shunt pipes penetrate through the motor.

Preferably, the bearing assembly comprises a box body, the box body is arranged on the outer side between the motor and the fan cover, a bearing seat is arranged in the middle of the interior of the box body, a bearing is arranged on the inner side of the bearing seat, the bearing is located on the outer side of the output shaft of the motor, and sealing rings are arranged at two ends of the interior of the box body.

Preferably, the size of the bearing seat is matched with that of the box body, the size of the sealing ring is matched with that of the box body, a through groove is formed in the sealing ring, the size of the through groove of the sealing ring is matched with that of the motor output shaft, and one side, away from the bearing seat, of the sealing ring is attached to the inner wall of the box body.

Preferably, the confession liquid subassembly includes the feed liquor case, the below at the box is installed to the feed liquor case, the feed liquor case passes through the feed liquor pipe and links to each other with the below of box, the feed liquor case passes through the drain pipe and links to each other with the top of box, the internally mounted of feed liquor case has the filter screen, the filter screen is located between feed liquor pipe and the drain pipe, the booster pump is installed to the feed liquor pipe, the refrigerator is installed to the top of booster pump.

Preferably, the booster pump is electrically connected with the control system and the power supply system of the blower respectively through conducting wires, the booster pump is of a LY-JLM type, the refrigerator is electrically connected with the control system and the power supply system of the blower respectively through conducting wires, and the refrigerator is of a TEC1-12715 type.

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

1. through the cooperation work between the motor cooling assembly, when the air-blower moves, defeated tuber pipe shunts the air-out in the air-out pipe to the cooling tube in, carries the inside to the motor through the shunt tubes with the air-out, cools off the motor, and the shunt tubes shunts the air-out of cooling tube, makes the air-out evenly distributed who enters in the motor, improves motor cooling assembly's cooling effect, compares and adopts radiator fan to carry out the cooling of motor, reduces the running cost of air-blower, and the cooling effect is better.

2. Through the cooperation work between the liquid supply assembly, when the air blower runs, the booster pump and the refrigerator are electrified to run, the booster pump conveys the cooling liquid in the liquid supply box into the box body to cool and lubricate the bearing, and the refrigerator refrigerates and cools the cooling liquid passing through the liquid inlet pipe, so that the temperature of the cooling liquid entering the box body is reduced, and the cooling effect of the cooling liquid is improved.

3. Through the cooperation work between the bearing assembly, the coolant liquid in the box lubricates the bearing, and the sealing washer forms good sealed in the output shaft outside of motor, avoids the phenomenon that the coolant liquid appears leaking, avoids the waste of coolant liquid, prevents that the on-the-spot dirty and disorderly phenomenon from appearing.

Drawings

FIG. 1 is a schematic structural diagram of a permanent magnet synchronous high-speed centrifugal oil-free blower according to the present invention;

fig. 2 is a schematic structural diagram of a bearing assembly of a permanent magnet synchronous high-speed centrifugal oil-free blower according to the present invention.

Fig. 3 is a schematic structural diagram of a motor cooling assembly of a permanent magnet synchronous high-speed centrifugal oil-free blower according to the present invention.

Fig. 4 is a schematic structural diagram of a liquid supply assembly of a permanent magnet synchronous high-speed centrifugal oil-free blower according to the present invention.

In the figure: the device comprises a motor 1, a bearing assembly 2, a box body 21, a bearing seat 22, a bearing 23, a sealing ring 24, a fan cover 3, an air inlet pipe 4, an air outlet pipe 5, a motor cooling assembly 6, an air delivery pipe 61, a cooling pipe 62, a flow dividing pipe 63, a liquid supply assembly 7, a liquid supply box 71, a filter screen 72, a liquid inlet pipe 73, a booster pump 74, a refrigerator 75 and a liquid outlet pipe 76.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a permanent magnet synchronous high-speed centrifugal oil-free blower comprises a motor 1 and a fan cover 3, wherein an impeller is installed inside the fan cover 3, an output shaft of the motor 1 is fixedly connected with the impeller, an air inlet pipe 4 is installed in the middle position of one side, away from the motor 1, of the fan cover 3, an air outlet pipe 5 is installed below the front side of the fan cover 3, a motor cooling assembly 6 is installed on one side, close to the motor 1, of the air outlet pipe 5, a bearing assembly 2 is installed between the motor 1 and the fan cover 3, a liquid supply assembly 7 is installed below the bearing assembly 2, and the liquid supply assembly 7 is communicated with the inside;

motor cooling unit 6 includes defeated tuber pipe 61, defeated tuber pipe 61 is installed in one side that tuber pipe 5 is close to motor 1, cooling tube 62 is installed to defeated tuber pipe 61's end, a plurality of shunt tubes 63 are installed to one side that cooling tube 62 is close to motor 1, the end of shunt tubes 63 runs through to motor 1's inside, the air-blower is when operation, defeated tuber pipe 61 will go out the interior air-out reposition of redundant personnel of tuber pipe 5 to the cooling tube 62, carry the inside to motor 1 with the air-out through shunt tubes 63, cool off motor 1, shunt tubes 63 shunts the air-out of cooling tube 62, make the air-out evenly distributed that gets into in the motor 1, improve motor cooling unit 6's cooling effect, compare and adopt radiator fan to carry out motor 1's cooling, the running cost of air-blower.

In this embodiment, preferably, the bearing assembly 2 includes a box 21, the box 21 is installed on the outer side between the motor 1 and the fan cover 3, a bearing seat 22 is installed at the middle position inside the box 21, a bearing 23 is installed on the inner side of the bearing seat 22, the bearing 23 is located on the outer side of the output shaft of the motor 1, seal rings 24 are installed at two ends inside the box 21, the bearing 23 is lubricated by the coolant in the box 21, the seal rings 24 form good seal on the outer side of the output shaft of the motor 1, the phenomenon of leakage of the coolant is avoided, the waste of the coolant is avoided, and the phenomenon of dirtiness on site is prevented.

In this embodiment, preferably, the size of bearing frame 22 matches with the size of box 21, and the size of sealing washer 24 matches with the size of box 21, and logical groove has been seted up to the inside of sealing washer 24, and the size of the logical groove of sealing washer 24 matches with the size of motor 1 output shaft, and one side that bearing frame 22 was kept away from to sealing washer 24 is laminated with the inner wall of box 21, and bearing frame 22 is convenient for carry out the installation of bearing 23, is favorable to bearing 23 steady high-efficient operation.

In this embodiment, preferably, the liquid supply assembly 7 includes a liquid supply tank 71, the liquid supply tank 71 is installed below the tank 21, the liquid supply tank 71 is connected to the lower side of the tank 21 through a liquid inlet pipe 73, the liquid supply tank 71 is connected to the upper side of the tank 21 through a liquid outlet pipe 76, a filter screen 72 is installed inside the liquid supply tank 71, the filter screen 72 is located between the liquid inlet pipe 73 and the liquid outlet pipe 76, a booster pump 74 is installed on the liquid inlet pipe 73, a refrigerator 75 is installed above the booster pump 74, when the blower operates, the booster pump 74 and the refrigerator 75 are powered on, the booster pump 74 transports the cooling liquid in the liquid supply tank 71 into the tank 21, and the bearing 23 is cooled and lubricated.

In this embodiment, preferably, the booster pump 74 is electrically connected to the control system and the power supply system of the blower via wires, the booster pump 74 is of a LY-JLM type, the refrigerator 75 is electrically connected to the control system and the power supply system of the blower via wires, the refrigerator 75 is of a TEC1-12715 type, and the refrigerator 75 cools the cooling liquid passing through the liquid inlet pipe 73, so as to reduce the temperature of the cooling liquid entering the tank 21 and improve the cooling effect of the cooling liquid.

When the cooling device is used, when the blower runs, the booster pump 74 and the refrigerator 75 are electrified to run, the booster pump 74 conveys cooling liquid in the liquid supply tank 71 into the box body 21 to cool and lubricate the bearing 23, the refrigerator 75 refrigerates and cools the cooling liquid passing through the liquid inlet pipe 73 to reduce the temperature of the cooling liquid entering the box body 21 and improve the cooling effect of the cooling liquid, the air conveying pipe 61 divides air outlet in the air outlet pipe 5 into the cooling pipe 62, the air outlet is conveyed into the motor 1 through the flow dividing pipe 63 to cool the motor 1, the flow dividing pipe 63 divides the air outlet of the cooling pipe 62, so that the air outlet entering the motor 1 is uniformly distributed, the cooling effect of the motor cooling component 6 is improved, compared with the cooling of the motor 1 by adopting a cooling fan, the running cost of the blower is reduced, and the cooling effect is better.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.