CN212258684U

CN212258684U - Novel brushless motor with centrifugal impeller

Info

Publication number: CN212258684U
Application number: CN202021256619.6U
Authority: CN
Inventors: 翁孟坤; 黄小军; 齐志虎
Original assignee: Once Top Motor Manufacture Co ltd
Current assignee: Once Top Motor Manufacture Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2020-12-29
Anticipated expiration: 2030-06-30

Abstract

The utility model relates to a technical field is simplified to the motor, discloses a take centrifugal impeller's novel brushless motor, include: stator module and rotor subassembly, stator module includes wire winding stator, with the base of installation wire winding stator and be located the ball bearing of base, the wave form packing ring is equipped with in one side that the base is close to the circuit board, the rotor subassembly include with ball bearing inner race complex pivot, the one end fixedly connected with axle sleeve of pivot, the outside cover of axle sleeve is equipped with centrifugal impeller, be equipped with the slotted hole that is used for making things convenient for the ventilation on the centrifugal impeller, be equipped with the casing in the centrifugal impeller, there is the magnetite in the casing, wire winding stator is in the inside of magnetite, it separates to have the air gap with the magnetite, the one end of base is equipped with and is used. Brushless motor and centrifugal impeller integrated design have reduced brushless motor and centrifugal impeller's subassembly size, have improved the radiating effect of motor, and then have improved brushless motor's energy conversion efficiency.

Description

Novel brushless motor with centrifugal impeller

Technical Field

The utility model relates to a technical field is simplified to the motor, especially relates to a take centrifugal impeller's novel brushless motor.

Background

Brushless motor has longe-lived, and the energy consumption is low, and the noise is little, and the motor size of the same power is little advantage, and because motor and impeller generally lead to motor and impeller subassembly axial dimensions great for the independent design, motor and impeller two parts structure are independent relatively and are unfavorable for the whole heat dissipation of motor, can not effectual structure of integrating motor and impeller.

Therefore, how to simplify the structure of the motor and improve the energy conversion rate of the motor becomes a technical problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in how to simplify the motor structure and improve the energy conversion rate of motor.

Therefore, according to the first aspect, the embodiment of the utility model discloses a take centrifugal impeller's novel brushless motor is disclosed, include: stator module and rotor subassembly, stator module include wire winding stator, with the installation the base of wire winding stator and be located ball bearing in the wire winding stator, the rotor subassembly include with the pivot that ball bearing cup jointed, cup jointed in the pivot and be located the wave form packing ring of ball bearing one end, the one end fixedly connected with axle sleeve of pivot, the outside cover of axle sleeve is equipped with centrifugal impeller, be equipped with the slotted hole that is used for making things convenient for the ventilation on the centrifugal impeller, be equipped with the casing in the centrifugal impeller, be used for the parcel in the casing the magnetite of wire winding stator, the one end of base is equipped with and is used for control pivot pivoted control panel, the control panel with the connection can be dismantled to the base.

Optionally, the one end of pivot is equipped with the holding tank, be equipped with in the holding tank and be used for preventing the jump ring that ball bearing drops.

Optionally, an upper balance position and a lower balance position, which are both used for performing dynamic balance correction on the centrifugal impeller, are arranged on the centrifugal impeller, and the upper balance position and the lower balance position are both connected to the centrifugal impeller through a connection ring.

Optionally, the rotating shaft is sleeved with a gasket located at one end, close to the ball bearing, of the shaft sleeve.

Optionally, a terminal for winding the thread end of the wound stator is disposed on the base.

Optionally, the control board is provided with a wire passing hole for passing a wire end on the wire column, and the control board is provided with a welding hole which is located on one side of the wire passing hole and used for welding and positioning the wire end on the wire column.

Optionally, the base is provided with a fixing hole for fixing the brushless motor.

Optionally, a positioning boss is arranged on the base, and a screw for fastening the control panel to the base is connected to the positioning boss in a threaded manner.

The utility model discloses following beneficial effect has: brushless motor and centrifugal impeller integrated design have reduced brushless motor and centrifugal impeller's subassembly size, have improved the radiating effect of motor, and then have improved brushless motor's energy conversion efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a novel brushless motor with a centrifugal impeller disclosed in this embodiment;

fig. 2 is an exploded schematic view of a novel brushless motor with a centrifugal impeller disclosed in this embodiment;

fig. 3 is a schematic structural diagram of a centrifugal impeller in the novel brushless motor with the centrifugal impeller disclosed in the present embodiment;

fig. 4 is a schematic structural diagram of a base in the novel brushless motor with a centrifugal impeller disclosed in the present embodiment;

fig. 5 is a schematic structural diagram of a control board in the novel brushless motor with a centrifugal impeller disclosed in the present embodiment;

fig. 6 is a schematic cross-sectional view of a rotor assembly in the novel brushless motor with centrifugal impeller disclosed in the present embodiment;

fig. 7 is a circuit block diagram of a control board in the novel brushless motor with centrifugal impeller disclosed in this embodiment.

Reference numerals: 1. a stator assembly; 11. a wound stator; 12. a base; 121. a wire post; 122. a fixing hole; 123. positioning the boss; 13. a ball bearing; 14. a wave washer; 2. a rotor assembly; 21. a rotating shaft; 211. accommodating grooves; 22. a shaft sleeve; 23. a centrifugal impeller; 231. a slot; 232. an upper balance position; 233. a lower balance position; 234. a communication ring; 24. a housing; 25. a magnet; 26. a clamp spring; 27. a gasket; 3. a control panel; 31. a wire passing hole; 32. welding the hole; 4. and (4) screws.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

The embodiment of the utility model discloses take centrifugal impeller's novel brushless motor, as shown in figure 1 and figure 2, include: stator module 1 and rotor subassembly 2, stator module 1 includes wire winding stator 11, with the base 12 of installation wire winding stator 11 and be located the ball bearing 13 of wire winding stator 11, rotor subassembly 2 includes the pivot 21 that cup joints with ball bearing 13, the wave form packing ring 14 that is located ball bearing 13 one end has been cup jointed in the pivot 21, the one end fixedly connected with axle sleeve 22 of pivot 21, the outside cover of axle sleeve 22 is equipped with centrifugal impeller 23, be equipped with the slotted hole 231 that is used for making things convenient for the ventilation on the centrifugal impeller 23, be equipped with casing 24 in the centrifugal impeller 23, be used for wrapping up wire winding stator 11's magnetite 25 in the casing 24, the one end of base 12 is equipped with and is used for controlling pivot 21 pivoted control panel 3, control panel.

It should be noted that, the brushless motor and the centrifugal impeller 23 are integrally designed, so that the size of the components of the brushless motor and the centrifugal impeller 23 is reduced, the heat dissipation effect of the motor is improved, and the energy conversion efficiency of the brushless motor is further improved.

As shown in fig. 2, one end of the rotating shaft 21 is provided with a receiving groove 211, and a snap spring 26 for preventing the ball bearing 13 from falling off is arranged in the receiving groove 211.

As shown in fig. 2 and 3, the centrifugal impeller 23 is provided with an upper balance position 232 and a lower balance position 233 both used for performing dynamic balance correction on the centrifugal impeller 23, and the upper balance position 232 and the lower balance position 233 are both connected to the centrifugal impeller 23 through a connection ring 234.

As shown in fig. 2 and 6, the rotating shaft 21 is sleeved with a gasket 27 at one end of the sleeve 22 close to the ball bearing 13.

As shown in fig. 2 and 4, the base 12 is provided with a string 121 for winding the end of the wound stator 11. In a specific implementation, the wire columns 121 are set to three.

As shown in fig. 2 and 5, the control board 3 is provided with a wire passing hole 31 for passing a wire end on the wire column 121, and the control board 3 is provided with a welding hole 32 located on one side of the wire passing hole 31 and used for welding and positioning the wire end on the wire column 121. In a specific implementation, the number of the welding holes 32 is three.

As shown in fig. 2 and 4, the base 12 is opened with a fixing hole 122 for fixing the brushless motor. In a specific implementation, the number of the fixing holes 122 is three.

As shown in fig. 2 and 4, the base 12 is provided with a positioning boss 123, and a screw 4 for fastening the control board 3 to the base 12 is screwed to the positioning boss 123. In a specific embodiment, three positioning bosses 123 are provided.

As shown in fig. 2 and 7, the control board 3 is provided with a control circuit, the control circuit part includes a filter, a dc voltage reducer, a control chip, an inverter circuit and a feedback signal of the motor, the speed regulation signal is provided by an external circuit to control the rotating speed of the motor, and the rotating speed signal of the motor can be selectively output according to the requirement.

The application discloses a take centrifugal impeller's novel brushless motor, its installation flow is as follows:

a. the rotating shaft 21 pressed into the shaft sleeve 22 and the casing 24 are put into an injection molding machine, and a centrifugal impeller 23 with fan blades is produced after injection molding. The magnet 25 is housed in the casing 24. The spacer 27 is fitted onto the shaft 21, by which the assembly of the main components of the rotor assembly 2 is completed.

b. The stator assembly 1 includes a wound stator 11, a base 12, a ball bearing 13, and the like. The wound stator 11 is mounted in the base 12, and the mounting direction is positioned by a flat position on the base 12. The 3 ends of the winding of the wound stator 11 are wound on the corresponding bobbins 121, respectively. The ball bearing 13 and the wave washer 14 are correspondingly arranged in the bearing chamber of the base 12, and the stator assembly 1 is assembled.

c. The rotor assembly 2 is installed into the stator assembly 1, and the clamp spring 26 is installed into the accommodating groove 211 of the rotating shaft 21.

d. The control panel 3 is fixed on the base 12 through 3 self-tapping screws 4, and the 3 kinked wire columns 121 of the base 12 penetrate out of the wire passing holes 31 of the control panel 3, so that the enameled wires are welded on the corresponding bonding pads of the control panel 3.

The working principle is as follows: brushless motor and centrifugal impeller 23 integrated design have reduced brushless motor and centrifugal impeller 23's subassembly size, have improved the radiating effect of motor, and then have improved brushless motor's energy conversion efficiency.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A novel brushless motor with a centrifugal impeller is characterized by comprising: stator module (1) and rotor subassembly (2), stator module (1) including wire winding stator (11), with the installation base (12) of wire winding stator (11) and be located ball bearing (13) in base (12), rotor subassembly (2) include with pivot (21) that ball bearing (13) cup jointed, cup jointed on pivot (21) and be located the wave washer (14) of ball bearing (13) one end, the one end fixedly connected with axle sleeve (22) of pivot (21), the outside cover of axle sleeve (22) is equipped with centrifugal impeller (23), be equipped with slotted hole (231) that are used for making things convenient for the ventilation on centrifugal impeller (23), be equipped with casing (24) in centrifugal impeller (23), be used for the parcel in casing (24) magnetite (25) of wire winding stator (11), the one end of base (12) is equipped with and is used for controlling rotor subassembly (2) pivoted control panel (3), the control panel (3) is detachably connected with the base (12).

2. The brushless motor with centrifugal impeller of claim 1, wherein one end of the rotating shaft (21) is provided with a receiving groove (211), and a snap spring (26) for preventing the ball bearing (13) from falling off is arranged in the receiving groove (211).

3. The brushless electric machine with a centrifugal impeller according to claim 1, wherein the centrifugal impeller (23) is provided with an upper balance position (232) and a lower balance position (233) which are used for dynamic balance correction of the centrifugal impeller (23), and the upper balance position (232) and the lower balance position (233) are connected to the centrifugal impeller (23) through a connection ring (234).

4. The new brushless electric machine with centrifugal impeller according to claim 1, characterized in that the rotating shaft (21) is sleeved with a gasket (27) at the end of the bushing (22) close to the ball bearing (13).

5. The new brushless electric machine with centrifugal impeller according to claim 1, characterized in that the base (12) is provided with a wire column (121) for winding the wire end of the wound stator (11).

6. The novel brushless motor with the centrifugal impeller as claimed in claim 5, wherein the control board (3) is provided with a wire passing hole (31) for passing a wire on the wire column (121), and the control board (3) is provided with a welding hole (32) which is located on one side of the wire passing hole (31) and is used for welding and positioning the wire on the wire column (121).

7. The brushless motor with centrifugal impeller according to claim 1, wherein the base (12) is opened with a fixing hole (122) for fixing the brushless motor.

8. The novel brushless motor with the centrifugal impeller according to claim 1, wherein the base (12) is provided with a positioning boss (123), and the positioning boss (123) is screwed with a screw (4) for fastening the control board (3) to the base (12).