CN211370792U - A magnetic levitation blower device - Google Patents

Abstract

The utility model discloses a magnetic levitation blower device, which relates to the technical field of blowers. In order to solve the problem that a large amount of heat is generated when the existing magnetic levitation blower is working, if the heat cannot be dissipated in time, the use of the magnetic levitation blower will be affected. The inside of the inner wall of the casing is provided with a circulating cooling water pipe, the outside of the circulating cooling water pipe is provided with a sealing ring, one side of the casing is provided with a cooling grid, and one end of the cooling grid is provided with a first cooling fan, the A second cooling fan is installed on both the front and rear ends of the housing, and cooling fins are arranged between the second cooling fan and the housing.

Description

A magnetic levitation blower device

technical field

The utility model relates to the technical field of blowers, in particular to a magnetic levitation blower device.

Background technique

Magnetic levitation blower is a kind of mechanical equipment for conveying gas. It adopts core technologies such as magnetic levitation bearing, ternary flow impeller, high-speed permanent magnet synchronous motor, high-efficiency frequency converter speed regulation, and intelligent monitoring and control. When starting, it suspends first and then rotates without friction. , without lubrication, the three-element flow impeller is directly connected with the rotor, and the transmission has zero loss. It is a high-tech green energy saving and environmental protection product.

However, the existing magnetic levitation blower will generate a lot of heat when working. If the heat cannot be dissipated in time, it will affect the use of the magnetic levitation blower, so it does not meet the existing needs. We propose a magnetic levitation blower device.

Utility model content

The purpose of this utility model is to provide a kind of magnetic levitation blower device, in order to solve the problem that the existing magnetic levitation blower proposed in the above-mentioned background technology will generate a large amount of heat when working, if the heat cannot be dissipated in time, it will affect the use of the magnetic levitation blower. question.

In order to achieve the above purpose, the utility model provides the following technical solutions: a magnetic levitation blower device, comprising a casing, a circulating cooling water pipe is arranged inside the inner wall of the casing, a sealing ring is arranged on the outside of the circulating cooling water pipe, and the outer part of the casing is A cooling grid is arranged on one side, a first cooling fan is installed at one end of the cooling grid, a second cooling fan is installed at the front and rear ends of the casing, and a cooling fin is arranged between the second cooling fan and the outer casing .

Preferably, a synchronous permanent magnet motor main body is installed inside the casing, a motor stator is arranged inside the synchronous permanent magnet motor main body, a rotor is arranged inside the motor stator, and a first rotor is arranged outside one side of the rotor. A radial magnetic suspension bearing, a second radial magnetic suspension bearing is installed on the outside of the other side of the rotor, a thrust magnetic suspension bearing is installed on the inner side of the second radial magnetic suspension bearing, and an impeller is installed at one end of the rotor.

Preferably, one side of the casing is provided with an air inlet, an upper end of the air inlet is provided with an exhaust port, and one end of the air inlet is provided with a filter screen.

Preferably, infrared temperature sensors are installed on both sides outside the main body of the synchronous permanent magnet motor, and the model of the infrared temperature sensor is set as IRTP300L.

Preferably, the heat dissipation fins are glued and connected to the housing.

Preferably, the first cooling fan and the second cooling fan are connected with the casing by screws.

Compared with the prior art, the beneficial effects of the present utility model are:

1. The present utility model monitors the temperature inside the casing in real time through an infrared temperature sensor, and when the temperature reaches a preset maximum temperature, the AC contactor is controlled by a temperature control switch, thereby controlling the cooling circulating water pump to work, to the circulating cooling water pipe. The cooling water is introduced to cool the casing, thereby cooling the heating elements inside the magnetic levitation blower. At the same time of water cooling, the first cooling fan and the second cooling fan work synchronously, and the heat inside the casing passes through the cooling grid and the cooling fin respectively. Exhaust, so as to achieve the purpose of rapid cooling, the heat can be dissipated in time, so as to avoid the impact on the use of the magnetic levitation blower.

2. The utility model installs a filter screen on the outside of the air inlet to filter out large particles of impurities in the gas during air intake, so as to avoid wear on the internal working elements of the blower, thereby prolonging the service life of the blower.

Description of drawings

Fig. 1 is the structural representation of a kind of magnetic levitation blower device of the present invention;

Fig. 2 is the front view of a kind of magnetic levitation blower device of the utility model;

3 is a diagram showing the connection relationship between the second cooling fan and the cooling fins of the present invention.

In the figure: 1. Shell; 2. Main body of synchronous permanent magnet motor; 3. Motor stator; 4. Rotor; 5. First radial magnetic suspension bearing; 6. Second radial magnetic suspension bearing; 7. Thrust magnetic suspension bearing; 8. Impeller; 9. Air inlet; 10. Exhaust port; 11. Filter screen; 12. Circulating cooling water pipe; 13. Infrared temperature sensor; 14. Cooling grid; 15. First cooling fan; 16. Second cooling fan; 17. Cooling fins.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

Please refer to FIGS. 1-3 , an embodiment provided by the present invention: a magnetic levitation blower device, comprising a casing 1, a circulating cooling water pipe 12 is arranged inside the inner wall of the casing 1, and a sealing ring is arranged on the outside of the circulating cooling water pipe 12, One side of the housing 1 is provided with a heat dissipation grille 14 , one end of the heat dissipation grille 14 is installed with a first cooling fan 15 , the front and rear ends of the housing 1 are installed with a second cooling fan 16 , and the second cooling fan 16 is arranged between the housing 1 . There are heat dissipation fins 17, the first heat dissipation fan 15 and the second heat dissipation fan 16 work synchronously, and the heat inside the casing 1 is discharged through the heat dissipation grid 14 and the heat dissipation fins 17 respectively, so as to achieve the purpose of rapid cooling, and the heat can be dissipated in time. , so as to avoid affecting the use of the magnetic levitation blower.

Further, a synchronous permanent magnet motor main body 2 is installed inside the casing 1, a motor stator 3 is arranged inside the synchronous permanent magnet motor main body 2, a rotor 4 is arranged inside the motor stator 3, and a first diameter is arranged outside one side of the rotor 4. To the magnetic suspension bearing 5, a second radial magnetic suspension bearing 6 is installed on the outside of the other side of the rotor 4, a thrust magnetic suspension bearing 7 is installed on the inner side of the second radial magnetic suspension bearing 6, an impeller 8 is installed at one end of the rotor 4, and a synchronous permanent magnet is installed. The motor body 2 drives the rotor 4 to rotate, and the controllable current generated by the frequency converter is input into the rotating magnetic field of the motor stator 3 to drive the rotor 4 to rotate at a high speed.

Further, one side of the housing 1 is provided with an air inlet 9 , the upper end of the air inlet 9 is provided with an air outlet 10 , one end of the air inlet 9 is provided with a filter screen 11 , and a filter screen is installed on the outside of the air inlet 9 11. Filter out the large particles of impurities in the gas during intake, to avoid wear and tear on the internal working elements of the blower, thereby prolonging the service life of the blower.

Further, infrared temperature sensors 13 are installed on both sides outside the main body 2 of the synchronous permanent magnet motor. The model of the infrared temperature sensor 13 is set as IRTP300L.

Further, the heat dissipation fins 17 are glued and connected to the housing 1, and are connected by thermal conductive glue, so as to improve the heat dissipation efficiency.

Further, the first cooling fan 15 and the second cooling fan 16 are connected with the casing 1 by screws, which is convenient for installation and disassembly, and facilitates maintenance.

Working principle: During use, through the direct drive structure of the synchronous permanent magnet motor body 2, the impeller 8 and the motor drive are integrated and integrated, the synchronous permanent magnet motor body 2 drives the rotor 4 to rotate, and the controllable current generated by the frequency converter is used. This current is input into the rotating magnetic field of the motor stator 3 to drive the rotor 4 to rotate at a high speed. The impeller 8 that rotates with the rotor 4 drives the air and performs work on the air. The air enters from the air inlet 9, and a filter screen is installed on the outside of the air inlet 9. 11. Filter out large particles of impurities in the gas during intake to avoid wear and tear on the internal working elements of the blower, thereby prolonging the service life of the blower. The air port 10 is bulged to realize the delivery of gas at a certain pressure and flow rate. The infrared temperature sensor 13 monitors the temperature inside the casing 1 in real time. When the temperature reaches the preset maximum temperature, the AC contactor is controlled by the temperature control switch, thereby The cooling circulating water pump is controlled to work, and cooling water is introduced into the circulating cooling water pipe 12 to cool the casing 1, thereby cooling the heating element inside the magnetic levitation blower. At the same time of water cooling, the first cooling fan 15 and the second cooling fan 16 are synchronized When working, the heat inside the casing 1 is discharged through the heat dissipation grid 14 and the heat dissipation fins 17 respectively, so as to achieve the purpose of rapid cooling, and the heat can be dissipated in time, thereby avoiding the impact on the use of the magnetic levitation blower.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments are to be considered in all respects as exemplary and not restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is therefore intended that the All changes within the meaning and range of the required equivalents are embraced within the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

Claims (6)

1. A magnetic levitation blower device, comprising a casing (1), characterized in that: the inside of the inner wall of the casing (1) is provided with a circulating cooling water pipe (12), and the outside of the circulating cooling water pipe (12) is provided with a sealing ring One side of the housing (1) is provided with a heat dissipation grille (14), one end of the heat dissipation grille (14) is installed with a first heat dissipation fan (15), and both front and rear ends of the housing (1) are installed with A second cooling fan (16), a cooling fin (17) is arranged between the second cooling fan (16) and the casing (1). 2. A magnetic levitation blower device according to claim 1, characterized in that: a synchronous permanent magnet motor main body (2) is installed inside the casing (1), and the interior of the synchronous permanent magnet motor main body (2) A motor stator (3) is provided, a rotor (4) is provided inside the motor stator (3), a first radial magnetic suspension bearing (5) is mounted on the outside of one side of the rotor (4), and the rotor ( 4) A second radial magnetic suspension bearing (6) is installed on the outside of the other side, a thrust magnetic suspension bearing (7) is installed on the inner side of the second radial magnetic suspension bearing (6), and one end of the rotor (4) is installed There is an impeller (8). 3. A magnetic levitation blower device according to claim 1, characterized in that: one side of the casing (1) is provided with an air inlet (9), and the upper end of the air inlet (9) is provided with a discharge port (9). The air inlet (10) is provided with a filter screen (11) at one end of the air inlet (9). 4. A magnetic levitation blower device according to claim 2, characterized in that: infrared temperature sensors (13) are installed on both sides outside the synchronous permanent magnet motor main body (2), and the infrared temperature sensors (13) ) is set to IRTP300L type. 5 . The magnetic levitation blower device according to claim 1 , wherein the heat dissipation fins ( 17 ) are connected with the casing ( 1 ) by adhesive bonding. 6 . 6 . The magnetic levitation blower device according to claim 1 , wherein the first cooling fan ( 15 ) and the second cooling fan ( 16 ) are connected with the casing ( 1 ) by screws. 7 .

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