Ferrite outer rotor direct current brushless motor

Abstract

The utility model discloses a ferrite outer rotor direct current brushless motor, which relates to the technical field of brushless motors and comprises a base, the top of the base is connected with a supporting column, the top of the supporting column is provided with a bearing seat, the outer wall of the bearing seat is connected with a rotating shaft, and the top of the base is provided with a box body. By arranging the base, the supporting column, the bearing seat, the rotating shaft, the box body, the water cooling pipe, the water tank, the water pump, the through hole, the first water pipe and the second water pipe, water in the water tank can be driven by the water pump to be injected into the water cooling pipe, heat generated during operation of the motor is absorbed by the water cooling pipe, and the purpose of cooling the motor is achieved; and when the water in the water cooling pipe is not enough to cool the motor, a worker can conveniently replace the water in the water cooling pipe, so that the situation that the service life of the motor is shortened due to long-time operation of the motor can be avoided, and the practicability of the motor is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of brushless motors, in particular to a ferrite outer rotor DC brushless motor. Background Art

[0002] Brushless outer rotor motors are widely used in various fields due to their high power density and small size. Brushless outer rotor motors include an inner stator and an outer rotor. The inner stator is installed in the air compressor casing and has a stator winding. The main body of the outer rotor surrounds the outer periphery of the inner stator and has magnetic poles. However, the magnetic poles of the outer rotor are usually made of neodymium iron boron material, and neodymium iron boron material requires expensive rare earth, making the cost of brushless outer rotor motors higher than other motors.

[0003] 1. In the existing technology, when the motor is running for a long time at a high intensity, the temperature of the motor itself will increase. When the motor is in a high temperature environment for a long time, the service life of the motor will be reduced.

[0004] 2. In the existing technology, the motor will generate noise when running. When multiple motors are running at the same time, the working environment will receive serious noise errors, thus affecting the health of the workers. Summary of the invention

[0005] The utility model provides a ferrite outer rotor DC brushless motor to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A ferrite outer rotor DC brushless motor comprises a base, the top of the base is connected to a support column, the top of the support column is provided with a bearing seat, the outer wall of the bearing seat is connected to a rotating shaft, the top of the base is provided with a box body, the outer wall of the rotating shaft is provided with a water cooling pipe, the top of the box body is provided with a water tank, the top of the box body is provided with a water pump, the outer walls of the water tank, the box body and the water cooling pipe are all provided with through holes, the water inlet and the water outlet of the water pump are connected to a first water pipe and a second water pipe, the first water pipe is connected to the interior of the water tank through the through hole, and the second water pipe is connected to the interior of the water cooling pipe through the through hole.

[0008] A further improvement of the technical solution of the utility model is that an inner cavity is formed on the outer wall of the box body, and a sound insulation board is arranged on the outer wall of the inner cavity, and the size of the sound insulation board is consistent with that of the inner cavity.

[0009] By adopting the above technical scheme, the setting and use of the inner cavity and the sound insulation board in the scheme can isolate the sound through the sound insulation board, thereby reducing the noise generated by the motor and avoiding the impact of the noise on the health of the workers. The sound insulation board is placed in the box through the inner cavity, so that the box can protect the motor, thereby enabling the box to isolate the noise more comprehensively and improving the practicality of the motor.

[0010] A further improvement of the technical solution of the utility model is that a pillar and a shock-absorbing spring are provided at the bottom of the base, and a support plate is provided at one end of the pillar and the shock-absorbing spring, and one end of the pillar and the shock-absorbing spring is fitted and connected to the base, and the other end of the pillar and the shock-absorbing spring is fitted and connected to the support plate.

[0011] By adopting the above-mentioned technical scheme, the setting and use of the pillars, shock-absorbing springs and support plates in the scheme can alleviate the vibration generated by the motor through the cooperation of the pillars and shock-absorbing springs, so that the motor can be more stable when working, avoid the impact of long-term vibration on the equipment itself, and improve the practicality of the motor.

[0012] A further improvement of the technical solution of the utility model is that: the pillars and shock-absorbing springs are provided in multiple groups, and the multiple groups of pillars and shock-absorbing springs are evenly distributed on the outer wall of the base.

[0013] By adopting the above technical solution, the setting and use of the pillars and shock-absorbing springs in the solution can increase the shock-absorbing effect of the shock-absorbing springs on the motor through the setting of multiple groups of pillars and shock-absorbing springs, avoid the poor shock-absorbing effect of a single spring, which causes the shock-absorbing effect of the spring to fail to achieve the expected effect, and improve the stability of the motor.

[0014] A further improvement of the technical solution of the utility model is that: a vent is opened on the outer wall of the box body, and a dustproof net is arranged inside the vent, and the size of the dustproof net is consistent with the vent.

[0015] By adopting the above-mentioned technical scheme, the setting and use of the vents and dustproof nets in the scheme can replace the air inside the box through the vents, so as to achieve a balanced temperature between the inside and outside of the box, avoid water accumulation inside the box due to a large temperature difference between the inside and outside, and the dustproof net can isolate the dust in the air, thereby keeping the internal environment of the box clean, improving the practicality of the motor.

[0016] A further improvement of the technical solution of the utility model is that: two groups of ventilation holes and dustproof nets are provided, and the two groups of ventilation holes and dustproof nets are symmetrically distributed on the outer wall of the box body.

[0017] By adopting the above-mentioned technical solution, the setting and use of the dust screen and the vents in the solution can replace the air in the box through multiple sets of dust screens and vents, and the multiple sets of dust screens and vents can increase the efficiency of air replacement and avoid the situation where a single vent is difficult to form convection, resulting in poor air flow.

[0018] A further improvement of the technical solution of the utility model is that a fixing plate is connected inside the box, and one end of the outer wall of the fixing plate is connected to a water cooling pipe, and two groups of fixing plates are provided, and the two groups of fixing plates are symmetrically distributed on the outer wall of the water cooling pipe.

[0019] By adopting the above technical solution, the setting and use of the fixing plate in the solution can fix the water cooling pipe through the fixing plate, avoiding direct contact between the water cooling pipe and the motor, so that the water cooling pipe can dissipate heat for the motor without affecting the normal operation of the motor, thereby improving the practicality of the motor.

[0020] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0021] The utility model provides a ferrite outer rotor DC brushless motor, which is provided with a base, a support column, a bearing seat, a rotating shaft, a box body, a water cooling pipe, a water tank, a water pump, a through hole, a first water pipe and a second water pipe. The water pump can drive water in the water tank to be injected into the inside of the water cooling pipe, and the water cooling pipe absorbs the heat generated when the motor is running, so as to achieve the purpose of heat dissipation of the motor. Moreover, through the arrangement of the water pump, when the water in the water cooling pipe is insufficient to cool the motor, it is convenient for the staff to replace the water in the water cooling pipe, so as to avoid the reduction of the service life of the motor when the motor is running for a long time, thereby improving the practicality of the motor.

[0022] The utility model provides a ferrite outer rotor DC brushless motor, which is provided with an inner cavity and a sound insulation board, and can isolate sound through the sound insulation board, thereby reducing the noise generated by the motor and avoiding the influence of the noise on the health of the staff. The sound insulation board is placed in the box through the inner cavity, so that the box can protect the motor, so that the box can isolate the noise more comprehensively, and the practicality of the motor is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 It is a rear view of the utility model;

[0025] Figure 3 It is a cross-sectional view of the utility model;

[0026] Figure 4It is a cross-sectional view of the top view of the utility model;

[0027] Figure 5 It is a top view of the utility model.

[0028] In the figure: 1. base; 2. support column; 3. bearing seat; 4. rotating shaft; 5. box body; 6. water cooling pipe; 7. water tank; 8. water pump; 9. through hole; 10. first water pipe; 11. second water pipe; 12. inner cavity; 13. sound insulation board; 14. pillar; 15. shock-absorbing spring; 16. support plate; 17. vent; 18. dust net; 19. fixing plate. DETAILED DESCRIPTION

[0029] The present invention is further described in detail below in conjunction with the embodiments: Example

[0030] like Figure 1-5 As shown, the utility model provides a ferrite outer rotor DC brushless motor, including a base 1, a support column 2 is connected to the top of the base 1, a bearing seat 3 is arranged on the top of the support column 2, the outer wall of the bearing seat 3 is connected to the rotating shaft 4, a box body 5 is arranged on the top of the base 1, a water cooling pipe 6 is arranged on the outer wall of the rotating shaft 4, a water tank 7 is arranged on the top of the box body 5, a water pump 8 is arranged on the top of the box body 5, the outer walls of the water tank 7, the box body 5 and the water cooling pipe 6 are all provided with through holes 9, the water inlet and the water outlet of the water pump 8 are connected to the first water pipe 10 and the second water pipe 11, the first water pipe 10 is connected to the inside of the water tank 7 through the through hole 9, and the second water pipe 11 is connected to the inside of the water cooling pipe 6 through the through hole 9.

[0031] In this embodiment, by providing a base 1, a support column 2, a bearing seat 3, a rotating shaft 4, a box body 5, a water-cooling pipe 6, a water tank 7, a water pump 8, a through hole 9, a first water pipe 10 and a second water pipe 11, the water pump 8 can drive the water in the water tank 7 to be injected into the interior of the water-cooling pipe 6, and the water-cooling pipe 6 absorbs the heat generated when the motor is running, so as to achieve the purpose of heat dissipation of the motor. Moreover, by providing the water pump 8, when the water in the water-cooling pipe 6 is insufficient to cool the motor, it is convenient for the staff to replace the water in the water-cooling pipe 6, so as to avoid the motor running for a long time and causing the service life of the motor to be reduced, thereby improving the practicality of the motor. Example

[0032] like Figure 1-5As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, an inner cavity 12 is opened on the outer wall of the box body 5, and a sound insulation board 13 is provided on the outer wall of the inner cavity 12, and the size of the sound insulation board 13 is consistent with the inner cavity 12, and a pillar 14 and a shock-absorbing spring 15 are provided at the bottom of the base 1, and a support plate 16 is provided at one end of the pillar 14 and the shock-absorbing spring 15, and one end of the pillar 14 and the shock-absorbing spring 15 is fitted and connected with the base 1, and the other end of the pillar 14 and the shock-absorbing spring 15 is fitted and connected with the support plate 16, and multiple groups of pillars 14 and shock-absorbing springs 15 are provided, and the multiple groups of pillars 14 and shock-absorbing springs 15 are evenly distributed on the outer wall of the base 1.

[0033] In this embodiment, the setting and use of the inner cavity 12 and the sound insulation board 13 can isolate the sound through the sound insulation board 13, thereby reducing the noise generated by the motor and avoiding the noise from affecting the health of the staff, and the sound insulation board 13 is placed in the box 5 through the inner cavity 12, so that the box 5 can protect the motor, so that the box 5 can isolate the noise more comprehensively, thereby improving the practicality of the motor, the setting and use of the pillar 14, the shock-absorbing spring 15 and the support plate 16 can alleviate the vibration generated by the motor through the cooperation of the pillar 14 and the shock-absorbing spring 15, so that the motor can be more stable during operation, avoiding the influence of long-term vibration on the equipment itself, and improving the practicality of the motor, the setting and use of the pillar 14 and the shock-absorbing spring 15 can increase the shock-absorbing effect of the shock-absorbing spring 15 on the motor through the setting of multiple groups of pillars 14 and shock-absorbing springs 15, avoiding the poor shock-absorbing effect of a single spring, which causes the shock-absorbing of the spring to fail to achieve the expected effect, and improving the stability of the motor. Example

[0034] like Figure 1-5 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, a vent 17 is opened on the outer wall of the box body 5, and a dustproof net 18 is arranged inside the vent 17, and the size of the dustproof net 18 is consistent with the vent 17, two groups of vents 17 and dustproof nets 18 are arranged, and the two groups of vents 17 and dustproof nets 18 are symmetrically distributed on the outer wall of the box body 5, a fixing plate 19 is connected to the inside of the box body 5, and one end of the outer wall of the fixing plate 19 is connected to the water cooling pipe 6, and two groups of fixing plates 19 are arranged, and the two groups of fixing plates 19 are symmetrically distributed on the outer wall of the water cooling pipe 6.

[0035] In the present embodiment, the setting and use of the vents 17 and the dustproof net 18 can replace the air inside the box 5 through the vents 17, so as to balance the temperature inside and outside the box 5 and avoid water accumulation inside the box 5 due to a large temperature difference between the inside and outside. The dustproof net 18 can isolate the dust in the air, so as to keep the internal environment of the box 8 clean, thereby improving the practicality of the motor. The setting and use of the dustproof net 18 and the vents 17 can replace the air in the box 5 through multiple groups of dustproof nets 18 and vents 17. Multiple groups of dustproof nets 18 and vents 17 can increase the efficiency of air replacement and avoid the situation where a single vent 17 is difficult to form convection, resulting in poor air flow. The setting and use of the fixing plate 19 can fix the water-cooling pipe 6 through the fixing plate 19 to avoid direct contact between the water-cooling pipe 6 and the motor, so that the water-cooling pipe 6 can dissipate heat for the motor without affecting the normal operation of the motor, thereby improving the practicality of the motor.

[0036] The following is a detailed description of the working principle of the ferrite outer rotor DC brushless motor.

[0037] like Figure 1-5 As shown, the water cooling pipe 6 is placed on the outer wall of the rotating shaft 4, and then the water pump 8 is turned on. The water pump 8 injects the water in the water tank 7 into the interior of the water cooling pipe 6, and then the support 14 and the shock absorbing spring 15 are connected to the base 1 to reduce the vibration of the motor.

[0038] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A ferrite outer rotor brushless DC motor, comprising a base (1), characterized in that: The top of the base (1) is connected to a support column (2), a bearing seat (3) is arranged on the top of the support column (2), the outer wall of the bearing seat (3) is connected to a rotating shaft (4), the top of the base (1) is provided with a box body (5), the outer wall of the rotating shaft (4) is provided with a water cooling pipe (6), the top of the box body (5) is provided with a water tank (7), the top of the box body (5) is provided with a water pump (8), the outer walls of the water tank (7), the box body (5) and the water cooling pipe (6) are all provided with through holes (9), the water inlet and the water outlet of the water pump (8) are connected to a first water pipe (10) and a second water pipe (11), the first water pipe (10) is connected to the inside of the water tank (7) through the through hole (9), and the second water pipe (11) is connected to the inside of the water cooling pipe (6) through the through hole (9).

2. The ferrite outer rotor brushless DC motor according to claim 1, characterized in that: An inner cavity (12) is formed on the outer wall of the box body (5), and a sound insulation board (13) is provided on the outer wall of the inner cavity (12), and the size of the sound insulation board (13) is consistent with that of the inner cavity (12).

3. The ferrite outer rotor brushless DC motor according to claim 1, characterized in that: A support column (14) and a shock absorbing spring (15) are provided at the bottom of the base (1), and a support plate (16) is provided at one end of the support column (14) and the shock absorbing spring (15), and one end of the support column (14) and the shock absorbing spring (15) is fitted and connected to the base (1), and the other end of the support column (14) and the shock absorbing spring (15) is fitted and connected to the support plate (16).

4. The ferrite outer rotor brushless DC motor according to claim 3, characterized in that: The pillars (14) and the shock absorbing springs (15) are provided in multiple groups, and the multiple groups of pillars (14) and the shock absorbing springs (15) are evenly distributed on the outer wall of the base (1).

5. The ferrite outer rotor brushless DC motor according to claim 1, characterized in that: The outer wall of the box body (5) is provided with a ventilation hole (17), and a dustproof net (18) is arranged inside the ventilation hole (17), and the size of the dustproof net (18) is consistent with that of the ventilation hole (17).

6. The ferrite outer rotor brushless DC motor according to claim 5, characterized in that: Two groups of ventilation openings (17) and dustproof nets (18) are provided, and the two groups of ventilation openings (17) and dustproof nets (18) are symmetrically distributed on the outer wall of the box body (5).

7. The ferrite outer rotor brushless DC motor according to claim 1, characterized in that: The interior of the box body (5) is connected to a fixing plate (19), and one end of the outer wall of the fixing plate (19) is connected to a water cooling tube (6). Two groups of fixing plates (19) are provided, and the two groups of fixing plates (19) are symmetrically distributed on the outer wall of the water cooling tube (6).

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