KR20070100519A - Motor and air conditioner having the same - Google Patents

Abstract

A motor and an air conditioner having the same are provided to couple a shaft to a rotor directly by a coupling element instead of interposing a serration coupler, thereby simplifying the assembling work and keeping stable assembling state. A motor includes a stator(2), a rotor(20) rotating by the stator outside the stator, a shaft(30) for transmitting rotation force of the rotor, and a coupling element(36) for coupling the rotor to the shaft. The rotor is formed with a shaft fixing part(24) to which the shaft is inserted, wherein the shaft fixing part is protruded outward. The coupling elements is pin penetrating holes(25,26/31,32) of the shaft fixing part and the shaft, wherein the penetrating holes are formed perpendicular to the longitudinal direction of the shaft.

Description

Motor and air conditioner having him {Motor and air conditioner having the same}

1 is an exploded perspective view of a first embodiment of a motor according to the present invention;

2 is a perspective view of a first embodiment of a motor according to the present invention;

3 is a cross-sectional view of a motor first embodiment according to the present invention;

4 is a cross-sectional view taken along the line A-A shown in FIG.

5 is a cross-sectional view taken along the line B-B shown in FIG.

6 is a sectional view showing the configuration of main parts of a second embodiment of a motor according to the present invention;

7 is a cross-sectional view showing the main part configuration of a third embodiment of a motor according to the present invention;

8 is a sectional view showing the main part configuration of a fourth embodiment of a motor according to the present invention;

9 is a perspective view showing a first embodiment of an air conditioner with a motor according to the present invention;

10 is a front view showing a first embodiment of an air conditioner with a motor according to the present invention;

11 is a sectional view of a first embodiment of an air conditioner with a motor according to the present invention;

12 is an exploded perspective view of an essential part of a first embodiment of an air conditioner with a motor according to the present invention;

13 is a sectional view of a second embodiment of an air conditioner with a motor according to the present invention;

14 is an exploded perspective view of an essential part of a second embodiment of an air conditioner with a motor according to the present invention;

15 is a sectional view of a third embodiment of an air conditioner with a motor according to the present invention;

16 is an exploded perspective view of an essential part of a third embodiment of an air conditioner with a motor according to the present invention;

17 is a cross-sectional view showing an example of a motor according to the prior art,

18 is an enlarged exploded perspective view of the rotor shown in FIG. 17.

<Explanation of symbols on main parts of the drawings>

1: motor 2: stator

3: hollow part 4: stator core

5: York 6: Teeth

7: slot 8: insulator

9: drive coil 10: bolt

11: nut 13: shaft support

14: first motor bracket 14a: through hole

14b: bearing housing portion 14c: through hole

15: second motor bracket 15a: through hole

15b: bearing housing portion 15c: through hole

16: first bearing 17: second bearing

18: Drive 20: Rotor

22: rotor frame 23: disc part

24: shaft fixing part 25, 26: through hole

27: cylinder 28: magnet

30: axis 31, 32: through hole

34: outer shaft 35: inner shaft

36: pin 40: motor mounter

40A: disc portion 40B: flange portion

40C: rim 40D: evasion hole

42: step 44: opening

46: wire penetration portion 47: bolt

48: nut 49: through hole

50: dustproof means 52: rubber

56: spring 58: washer

60: mounting bracket 60A: center part

60B, 60C, 60D: leg 63: through hole

66: fastening member 68: through hole

70: bolt 71: head

72: nut 100: main body

110: cabinet 110A: through hole

160: blower 162: blower fan

163: suction port 164: discharge port

165: fan housing 166: orifice

167: fastening portion 168: flow path portion

200: air conditioning unit 210: heat exchanger

220: air purifier

The present invention relates to a motor and an air conditioner having the same, and more particularly, to a motor and an air conditioner having the rotor rotated by the stator and the shaft of the rotor are directly connected to the fastening member.

In general, a motor is a device that converts electrical energy into mechanical energy. The motor is installed in various home appliances such as a washing machine or an air conditioner or various equipment, and is composed of a stator and a rotor. .

The motor has various shapes according to the purpose of the rotor, an inner rotor type motor for rotating a cylindrical magnet inside the driving coil, and an outer rotor type motor for rotating the magnet around the circumference of the driving coil. Etc.

The inner rotor type motor is suitable for a device that repeats forward / reverse because the inertia is small and the response of control is high, and the outer rotor type motor is suitable for a device requiring constant speed because of its great inertia in structure. .

In recent years, motors installed in home appliances such as washing machines and air conditioners have tended to be as slim and light as possible. When the motor is slim and simple in structure, the performance and manufacturing cost of the home appliances are reduced.

17 is a cross-sectional view showing an example of a motor according to the prior art, Figure 18 is an enlarged exploded perspective view of the rotor shown in FIG.

As shown in FIG. 17, a motor according to the related art is fastened with a stator 500, a rotor 510 rotated by the stator 500, and a screw 518 at the center of the rotor 510. Connector 520 and a shaft 530 coupled to the connector 520 and the serration 528.

The rotor 510 includes a cup-shaped rotor frame 512 and a magnet 516 installed on an inner circumferential surface of the rotor frame 512.

As shown in FIG. 18, a coupling hole 514 is formed in the rotor frame 512 such that the connector 520 may be fastened to the screw 513.

The connector 520 has a fastening hole 522 corresponding to the fastening hole of the rotor frame 512.

The connector 520 has a hub portion 524 having a serration 528 formed on an inner circumferential surface thereof, and protrudes from the end portion of the shaft 530.

One end of the shaft 530 is coupled to the hub 524 of the connector 520 to protrude in the stator direction to the connector 520, and penetrates through the stator 500, and the other end of the shaft 530. It protrudes forward of the stator 500 and is connected to the driving unit of the device in which the motor is installed.

The motor further includes a bearing housing 550 in which the stator 500 is mounted and bearings 540 and 542 for supporting the shaft 530 are installed therein.

The bearing housing 550 is mounted to a fixed part of the device in which the motor is installed.

The bearing housing 550 is mounted to the fixed part of the device to be located outside the stator 500, that is, in front of, or up and down, the stator 500.

However, in the motor according to the related art, the shaft 530 is coupled to the connector 520 and the serration 522, and the connector 520 is fastened to the rotor 510 by the screw 518. This is a complicated and costly problem.

 Meanwhile, when the shaft 530 is directly press-fitted into the rotor 510, the above problem may be solved. However, the shaft 530 may be pushed in the longitudinal direction or slipped in the circumferential direction.

The present invention has been made to solve the above problems of the prior art, the rotor and the shaft is directly fastened by the fastening member so that the rotor and the shaft can be firmly and simply coupled without a separate connector and air conditioning having the same The purpose is to provide a flag.

Motor according to the present invention for solving the above problems, the stator; A rotor rotated by the stator outside the stator; A shaft for transmitting the rotational force of the rotor; It comprises a fastening member for fastening the rotor and the shaft.

The rotor has a shaft fixing portion is inserted into the shaft.

The shaft fixing portion protrudes outward from the rotor.

The fastening member includes a shaft fixing part and a pin penetrating the shaft.

The shaft and the shaft fixing portion are formed to face the through hole through which the fastening member passes.

The shaft and the shaft fixing portion are formed in a direction in which the through hole is perpendicular to the longitudinal direction of the shaft.

The motor further includes a motor bracket to which a bearing for supporting the shaft is installed.

The motor further includes a motor mounter coupled to the motor bracket.

The motor further includes a mounting bracket in which the motor mounter is installed to be buffered.

An air conditioner having a motor according to the present invention includes an air conditioner including an air conditioner for changing air so that the air can be discharged after being sucked and air-conditioned, and a blower for blowing air, wherein the air blower comprises: a stator; A rotor rotated by the stator outside the stator; A shaft for transmitting the rotational force of the rotor; A fastening member for fastening the shaft to the rotor; It is configured to include a blowing fan connected to the shaft.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is an exploded perspective view of a first embodiment of a motor according to the present invention, FIG. 2 is a perspective view of a first embodiment of a motor according to the present invention, FIG. 3 is a cross-sectional view of a first embodiment of a motor according to the present invention, and FIG. It is AA sectional drawing shown in 2, FIG. 5 is BB sectional drawing shown in FIG.

The motor 1 according to the present embodiment includes a stator 2, a rotor 20, a shaft 30, and a motor mounter 40.

The stator (2) forms a rotating magnetic field in the circumferential direction, and includes a stator core (4) having a hollow portion (3) in the center and a driving coil (9) wound around the stator core (4). It is composed.

The stator core 4 may be composed of one ring-shaped core, and of course, a plurality of unit cores may be arranged in a circumferential direction and may be combined to have a ring shape as a whole.

In the stator core 4, a plurality of steel sheets are laminated in the axial direction.

As shown in FIG. 3, the stator core 4 includes an arc-shaped yoke 5 and a plurality of teeth 6 having an approximately T-shape.

Each of the plurality of teeth 6 has a slot 7 between other teeth 6 adjacent in the circumferential direction.

An insulator 8 made of synthetic resin is formed on the surface of the stator core 4.

The insulator 8 is formed by storing the stator core 4 in a molding die and injecting molten resin.

The drive coil 9 is wound around the outside of the insulator 8 and wound around a portion of the insulator 8 that surrounds the tooth 6.

The motor 1 is provided with a shaft support means 13 rotatably supporting the shaft 30 outside or inside, so that the shaft is supported therein so as to make the entire motor 1 as compact as possible. It is preferred that the means 13 be provided and that no external shaft support means be provided outside.

1 and 4, the shaft support means 13 is installed on the motor brackets 14 and 15 and the motor brackets 14 and 15 that are fastened to the stator 2, And bearings 16 and 17 supporting the shaft 30.

The motor brackets 14 and 15 and the bearings 16 and 17 are preferably provided in plural sets so as to more stably support the shaft 30. Hereinafter, only two sets of the motor brackets 14 and 15 will be described.

In the motor 1, a first motor bracket 14 is fastened to one surface of both surfaces of the stator 2, and a first bearing 16 is installed on the first motor bracket 14, and the stator 2 is attached to the motor 1. The second motor bracket 15 is fastened to the other surface of the two surfaces of the other side, that is, the opposite surface of the first motor bracket 14, and the second bearing 17 is installed on the second motor bracket 15.

The plurality of motor brackets 14 and 15 are fastened by the stator 2, the bolt 10, and the nut 11.

As shown in FIG. 4, the stator 2 includes bolt through holes 4a and 8a through which the bolt 10 penetrates the stator 2, and thus the stator core 4 and the insulator ( The bolt through holes 4a and 8a are formed to coincide with 8).

The plurality of motor brackets 14 and 15 coincide with bolt through holes 4a and 8a of the stator 2, and bolt through holes 14a and 15a through which the bolt 10 penetrates are formed, respectively. do.

That is, the motor 1 is disposed opposite to both sides of the stator 2 such that the plurality of motor brackets 14 and 15 cover the hollow portion 3 of the stator core 4, and the bolt 10 is a bolt through hole 14a of any one of the plurality of motor brackets 14 and 15, bolt fastening holes 4a and 8a of the stator 2, and the plurality of motor brackets 14 and 15, respectively. When the bolt through hole 15a of the other one of the motor brackets 14 and 15 is sequentially penetrated and then fastened to the nut 11, the motor brackets 14 and 15 and the stator 2 ) Is firmly assembled by the bolt 10 and the nut 11.

On the other hand, each of the plurality of motor brackets (14, 15) is formed with a bearing housing portion (14b, 15b) is inserted into the bearing 16, 17 is installed to function as a bearing housing.

Each of the bearing housing portions 14b and 15b protrudes outwardly of the stator 2, that is, in a direction opposite to the hollow portion 3 of the stator core 4.

That is, the bearing housing part 14b of any one of the plurality of motor brackets 14 and 15 is formed to protrude in the upward direction of FIG. 4, and among the plurality of motor brackets 14 and 15. The bearing housing portion 15b of the other 15 is formed to protrude downward in FIG. 4.

In the motor bracket 14 of the plurality of motor brackets 14 and 15 close to the rotor 20, a shaft through hole 14d through which the shaft 30 penetrates through the bearing housing part 14b has the shaft. It is formed larger than (30).

On the other hand, the motor 1 further includes a circuit part for controlling the motor 1, that is, a motor drive 18 (hereinafter referred to as a drive) for applying a current to the driving coil 9.

The drive 18 includes a printed circuit board and various electrical components mounted on the printed circuit board.

The drive 18 may be installed outside the motor 1 and connected to the drive coil 9 or the like to apply electric current to the drive coil 9. It is also possible to apply a current to the drive coil (9), which is installed inside the motor (1) to make the motor (1) as compact as possible, the motor (1) is composed of a drive-integrated motor It is preferable.

In particular, the drive 18 may be installed to be positioned between the plurality of motor brackets 14 and 15, and may be installed to be positioned between the stator 2 and the motor mounter 40. It is also possible that a plurality of parts are installed to be located between the plurality of motor brackets 14 and 15, and the rest may be installed to be located between the stator 2 and the motor mounter 40. Of course.

Wires 19 extending to the outside of the motor 1 are connected to the drive 18. When the drive 18 is installed to be positioned between the plurality of motor brackets 14 and 15, Since the wire passage hole through which the wire 19 passes is formed in any one of the motor brackets 14 and 15, the structure becomes complicated, but any one of the plurality of motor brackets 14 and 15 is complicated. The gap between the 15 and the motor mounter 40 can be minimized,

On the other hand, when the drive 18 is installed between the stator 2 and the motor mounter 40, the electric wire 19 needs to pass through any one of the plurality of motor brackets 14 and 15. Although the structure is simple since there is no space between the stator 2 and the motor mounter 40, a space S in which the drive 18 may be embedded may be provided.

Hereinafter, for convenience of description, the drive 18 is described as being limited to being installed between the plurality of motor brackets 14 and 15.

The drive 18 is preferably fastened by a fastening member such as a screw to any one of the plurality of motor brackets (14, 15).

On the other hand, the rotor 20 is rotated outside the stator 2 by the rotor magnetic field formed by the stator 2, as shown in Figures 3 and 4, the cross-sectional shape is '∪' It is comprised including the rotor frame 22 formed in the shape, and the magnet 28 attached to the rotor frame 22. As shown in FIG.

That is, the motor is composed of an outer rotor type brushless DC motor.

The rotor frame 22 is to form the outer shape of the rotor 20, it is also possible to injection molding the synthetic resin and a separate rotor yoke is provided on the inner circumference, it is made of a metal material without a separate rotor yoke rotor frame ( 22) It is also possible to serve as the rotor yoke itself, and the following description will be limited to the function of the rotor yoke made of a metal material.

As shown in FIG. 4, the rotor frame 22 includes a disc portion 23 facing one surface of both sides of the stator 2, and a cylindrical portion 27 surrounding the circumferential surface of the stator 2. It is configured to include.

The rotor frame 22 is a heat dissipation hole (23a) is formed.

The rotor 10 may be formed such that the shaft 30 is integrally protruded from the rotor frame 22, and the shaft 30 is fastened to the rotor frame 22 by a separate fastening member 36. It is also possible.

The rotor frame 22 may be formed by pressing an iron plate or may be formed by a mold. When the rotor frame 22 is formed by press molding, the shaft 30 is integrally formed to protrude. Since the shaft 30 must be fastened by a separate fastening member 36, and the rotor frame 22 is molded by a molding mold, the shaft 30 is formed during the molding of the rotor frame 22. It is also possible to integrally protrude, and the rotor frame 22 may be molded separately from the shaft 30 to fasten the shaft 30 and the rotor frame 22 with a fastening member.

Hereinafter, the rotor 10 will be described as being limited to being fastened by the fastening member 36 after the shaft 30 is formed separately from the rotor frame 22.

The rotor frame 22 has the shaft 30 is connected to the center side, in particular in the center of the disc portion 23, the shaft fixing portion to which the shaft 30 is fixed to the center of the disc portion 23 ( 24) is formed.

The shaft fixing portion 24 is formed to be slightly larger than the shaft 30 so that the shaft 30 can be easily inserted into the shaft fixing portion 24, the hollow cylinder in the central portion of the disc portion 23 It is formed to protrude into a shape.

The shaft fixing part 24 may protrude in the inner direction of the rotor 20 to be fastened to the shaft 30 and the fastening member 36 in an inner space of the rotor 20, and the rotor ( It is also possible to be protruded in the outward direction of the 20 to be coupled to the shaft 30 and the fastening member 36 from the outside of the rotor 20, hereinafter, the shaft 30 is the outside of the rotor 20 In the following description, the shaft fixing part 24 is formed to protrude in the outward direction of the rotor 20 so as to be coupled to the fastening member 36.

The shaft fixing part 24 is formed to face the through holes 25 and 26 through which the fastening member 36 passes.

The shaft fixing part 24 has an opening formed in a direction in which the through holes 25 and 26 are perpendicular to the longitudinal direction of the shaft 30.

The magnet 28 is seated on the inner circumferential surface of the cylindrical portion 24, as shown in Figs.

The shaft 30 is a member that transmits the rotational force of the rotor 20 to a blowing fan to be described later, may be formed in a cylindrical shape, may be formed in a hollow cylindrical shape, the hollow cylindrical shape When formed in the form of a hollow cylindrical shape is more preferable because the strength is better.

As shown in FIGS. 1 and 4, the shaft 30 is formed such that the through holes 31 and 32 through which the fastening member 36 penetrates face each other, and the through holes 31 and 32 are An opening is formed in a direction orthogonal to the longitudinal direction of the shaft 30.

The shaft 30 penetrates through the hollow part 3 of the stator 2, in particular, the stator core 4, so as to protrude outside the rotor 20, that is, in the opposite direction of the stator 2. 22).

Hereinafter, the shaft 30 protrudes in the opposite direction of the stator 2, the outer shaft portion 34, and the portion protruding toward the stator 2 is referred to as the inner shaft portion 35.

The shaft 30 is fastened by the fastening member 36 such that the inner shaft portion 35 is located inside the motor 1 as a whole and the outer shaft portion 34 protrudes outward in the opposite direction to the stator 2. .

The shaft 30 has an end portion of the inner shaft portion 35 blocked by the bearing housing portion 15b of the second motor bracket 15, as shown in FIG. 4, and at the end portion of the outer shaft portion 34. Coupling portion 38 to be coupled to a blowing fan and the like to be described later is formed.

The shaft 30 is coupled to the outer shaft portion 34 so as not to protrude in the opposite direction of the stator 2 as described above, so as to project only in the direction of the stator 2 as in the prior art to the outside of the stator 2. When a blowing fan or the like is connected to the protruding portion, the stator 2 is positioned between the blowing fan and the rotor 20 so that the fixing of the stator 2 is not easy, so that the outer shaft 34 is the stator 2. It is preferable that a coupling portion 38 is formed to protrude in the opposite direction to the blower fan and the like to the outer shaft portion 34.

That is, the motor 1 has a rotor 20 surrounding one surface and a circumferential surface of both sides of the stator 2, and a blowing fan or the like connected to the outer shaft portion 34 is not located at the stator side. Since it is closer to the side, the stator 2 can be easily installed irrespective of the rotor 20 or the blowing fan, and the blowing fan can be connected to the rotor 20 in close proximity to the entire motor 1 and the blowing fan. The set can be as compact as possible.

The motor mounter 40 is for mounting the motor 1, in particular, the stator 2, and when the motor mounter 40 is formed to cover a surface of the stator 2 that is not surrounded by the rotor 10. The inside of (1), in particular, serves as a kind of motor cover or stator cover that prevents water or foreign matter from penetrating into the stator (2), the surface of the stator (2) is not surrounded by the rotor 10 It is described so that it is formed to cover and also serves as a function of the stator cover.

The motor mounter 40 includes a plate body portion 40A covering a surface of the stator 2 that is not enclosed by the rotor 10, a cylindrical portion 27 of the rotor frame 2, and the plate. A flange portion 40B bent orthogonally at an outer circumference of the plate body portion 40A so as to cover between the body portions 40A, and an edge portion 40C bent outwardly from an end of the flange portion 40B. It is configured by.

The motor mounter 40 has a stepped portion 42 on which at least one of the stator 2 and the plurality of motor brackets 14 and 15 is mounted, the inside of the stator 2, in particular, the stator core ( It protrudes stepwise toward the hollow part 3 of 4).

The motor mounter 40 has an opening 44 for avoiding the bearing housing portion 15a larger than the bearing housing portion 15a so that the motor 1 can be as compact as possible.

As shown in FIG. 1, the motor mounter 40 includes a wire through part 46 through which a wire 19 connected to the inside of the motor 1, in particular the motor 1, passes.

The wire through portion 46 is formed of a wire through hole formed to open sideways in the motor mounter 40, in particular the flange portion 40B.

The motor mounter 40 is engaged with at least one of the stator 2 and the plurality of motor brackets 14 and 15, and among the motor brackets 14 and 15 to simplify the structure of the stator 2. It is preferred to be assembled with at least one of the bolts 47 and nuts 48.

Hereinafter, as shown in FIG. 5, the motor mounter 40 is limited to being assembled with all of the plurality of motor brackets 14 and 15, and bolts 47 and nuts 48.

The plurality of motor brackets 14 and 15 are formed with bolt through holes 14c and 15c through which the bolt 47 penetrates, respectively, and the motor mounter 40 is a bolt through which the bolt 47 penetrates. The through holes 49 are formed to coincide with the bolt through holes 14c and 15c of the motor brackets 14 and 15.

That is, the motor 1 raises the assembly of the stator 2 and the plurality of motor brackets 14 and 15 to the motor mounter 40, and the bolt 47 is provided with the plurality of motor brackets 14 ( After passing through the bolt through holes 14c and 15c of the 15 and through the bolt through holes 49 of the motor mounter 40 and then fastening to the nut 48, the plurality of motor brackets 14 15 and the motor mounter 40 are firmly assembled.

On the other hand, the motor 1 is also possible that the motor mounter 40 itself is mounted directly to the air conditioner, etc., as shown in Figure 1 and 2, 4 and 5, a separate mounting bracket 60 Of course, it is possible to be mounted on the air conditioner, etc.).

Hereinafter, the motor 1 will be described in that the motor mounter 40 is installed to be cushioned to the mounting bracket 60 and the mounting bracket 60 is installed to an air conditioner.

The mounting bracket 60 has a three-bar structure as a whole, and a plurality of leg portions protruding from the center portion 60A of a disc shape and protruding from the center portion 60A to be spaced approximately 120 ° are mounted to the motor mounter 40. It comprises a 60B, 60C, 60D.

On the other hand, the motor 1 is configured to further include a dustproof means 50 for supporting the buffer while reducing the vibration transmitted through the motor mounter (40).

The vibration isolator 50 includes a rubber 52 mounted to the motor mounter 40 and a spring 56 supporting the rubber 52.

The rubber 52 has a fitting groove 53 that is fitted in the through hole 49 formed in the motor mounter 40 is formed on the outer circumference.

The motor 1 has a washer 58 interposed between the spring 56 and the mounting bracket 60.

On the other hand, the motor 1 fastens the dustproof means 50 and the mounting bracket 60 by the fastening means 54.

Here, the fastening means 54 includes a pin portion 54a penetrating the dustproof means 50 and the mounting bracket 60, and a head portion 54b protruding at one end of the pin portion 54a. .

The fastening means 54 is the head portion 54b is engaged with the rubber 52 and the end of the pin portion 54a is directly attached to the mounting bracket 60 by welding or the like.

That is, the rubber 52 has a through hole 55 through which the fastening means 54, in particular, the pin portion 54a pass.

In addition, the mounting bracket 60 is formed with a through hole 63 through which the fastening means 54, in particular the pin portion 54a, pass.

Hereinafter, the assembly process of the motor mounter 40 and the mounting bracket 60 of the motor 1 will be described.

First, the rubber 52 is assembled to the motor mounter 40 by inserting the fitting groove 53 of the rubber 52 into the through hole 49 of the motor mounter 40.

The washer 58, the spring 56 and the rubber 52 are sequentially raised on one surface of the mounting bracket 60, and the pin portion 54a of the fastening means 54 is mounted on the rubber 52, the spring 56, and the washer. After passing through the (58) in order to pass through the through hole (63) of the mounting bracket (60).

The fastening means 54 is such that the head 54b is engaged with the rubber 52, and penetrates the through hole 63 of the mounting bracket 60 among the pin portions 54a of the fastening means 54. When one part is directly fixed to the mounting bracket 60 by welding or the like, the assembly is completed.

On the other hand, the mounting bracket 60 is formed with a through hole 68 for fastening with the fastening member 66 in the air conditioner.

That is, the motor 1 has an assembly such as the stator 2, the rotor 20, the shaft 30, the motor mounter 40, the mounting bracket 60, and the like disposed horizontally or vertically. It is then mounted by the fastening member 66.

Reference numeral 88 shown in FIG. 1 denotes a hall sensor installed in the stator 2 to detect rotation of the rotor 20.

Reference numeral 18A shown in Figs. 1 and 3 is an escape hole formed in the drive to avoid the shaft 30, and reference numeral 18B shown in Fig. 1 denotes the first and second motor brackets 14 and 15. And a avoiding hole formed in the drive 18 so as to avoid a bolt 47 for fastening the motor mounter 40 to the motor mounter 40.

The reference numeral 40D shown in FIG. 4 is formed in the motor mounter 40 to avoid the bolt 10 and the nut 11 which fasten the first and second motor brackets 14 and 15 to the stator 40. It is an evasion hole.

Looking at the operation of the present invention configured as described above are as follows.

First, when a current is applied to the driving coil 9 through the drive 18, a rotor magnetic field is generated in the stator 2, in particular, the stator core 4, and the rotor 20 is the magnet ( 28 and the rotor frame 22 are rotated by the generated rotating magnetic field, and the shaft 30 is connected to the rotor frame 22 by the fastening member 36, so that the rotor 20 in particular , Is rotated together with the rotor frame 22.

The shaft 30 is limited to the fastening member 36 in the longitudinal direction and the sliding in the radial direction is limited, so that the shaft 30 is rotated without slipping in the longitudinal direction or slip in the radial direction.

When the shaft 30 is rotated as described above, the inner shaft portion 35 is stably supported on the stator 2 side by the plurality of bearings 16 and 17.

On the other hand, the motor 1 is the vibration of the motor 1 is transmitted through the motor mounter 40 during the rotation of the rotor 20 and the shaft 30, the transmitted vibration is the vibration isolator means 50 This is reduced by the rubber 52 and the spring 56.

 Fig. 6 is a sectional view showing the configuration of main parts of a second embodiment of a motor according to the present invention.

In the motor according to the present embodiment, as shown in FIG. 6, the shaft fixing part 24 ′ is formed to protrude into the inner space without protruding to the outside of the rotor frame 22, and the shaft 30 and the shaft fixing part ( 24 'is fastened to the fastening member 36 on the inner side of the rotor frame 22, and the configuration and operation other than the shaft fixing part 24' are the same as the motor of the embodiment of the present invention, and therefore the same reference numerals are used. Detailed description thereof will be omitted.

In the motor according to the present embodiment, since the coupling portion of the rotor frame 22 and the shaft 30, in particular, the fastening member 36 is located inside the motor 1 without being exposed to the outside of the motor 1, the rotor frame The coupling portion of the shaft 22 and the shaft 30 can be kept clean without accumulating foreign matters such as dust, and in the case of transporting the motor, the fastening member 36 can be prevented from being removed by an external impact. .

Fig. 7 is a sectional view showing the configuration of main parts of a third embodiment of a motor according to the present invention.

In the motor according to the present embodiment, as shown in FIG. 7, the shaft fixing part 24 ″ protrudes into the inner space as well as the outside of the rotor frame 22, and other than the shaft fixing part 24 ″. Since the configuration and operation of the same as the motor of the embodiment of the present invention, the same reference numerals are used and detailed description thereof will be omitted.

That is, the shaft fixing portion 24 ″ includes an outer insertion portion 24a protruding toward the outside of the rotor frame 22 and an inner insertion portion 24b protruding toward the inner space of the rotor frame 22. )

In the motor according to the present embodiment, since the shaft fixing portion 24 ″ protrudes not only outside the rotor frame 22 but also into the inner space, an area in which the shaft 30 is supported by the shaft fixing portion 24 ″ It becomes wider to prevent warpage or the like that may occur when the length of the shaft 30 is long.

Fig. 8 is a sectional view showing the configuration of main parts of a fourth embodiment of a motor according to the present invention.

In the motor according to the present embodiment, as shown in FIG. 8, the vibration isolator 50 and the mounting bracket 60 are assembled by the bolt 70 and the nut 73.

That is, if the bolt 70 passes through the rubber 52, the spring 56, the washer 58 in order as in the embodiment of the present invention, and then passes through the through hole 63 of the mounting bracket 60. The head 71 of the bolt 70 is engaged with the rubber 52, and a nut 73 is formed at a portion 72 of the bolt 70 that passes through the through hole 63 of the mounting bracket 60. ), The dustproof means 50 and the mounting bracket 60 are firmly assembled by the bolt 70 and the nut 73.

On the contrary, if the bolt 70 passes through the through hole 63 of the mounting bracket 60 and then passes through the washer 58, the spring 56, and the rubber 52, the bolt 70 The head 71 is caught by the mounting bracket 60, and of course, it is also possible to fasten the nut 73 to the portion 72 of the bolt 70 through the rubber 52.

9 is a perspective view showing a first embodiment of an air conditioner with a motor according to the present invention, and FIG. 10 is a front view showing a first embodiment of an air conditioner with a motor according to the present invention.

In the air conditioner having the motor according to the present embodiment, as shown in FIGS. 9 and 10, the air inlets 101, 102, 103 are formed in the main body 100 forming the exterior of the air inlet. In addition, air outlets 104, 105, and 106 through which air that is air-conditioned inside the main body 100 are formed.

The main body 100 includes a base 109 having a front air intake port 103 formed therein, and a cabinet 110 installed at an upper side of the base 109 and having a front surface, an upper surface, and a lower surface; An upper panel 115 provided to block an upper surface of the cabinet 110, an upper panel 122 on which a left air outlet 104, a right air outlet 105, and an upper air outlet 106 are formed, and the upper panel The left lower panel 140 disposed on the lower left side of the 122 and the left air intake 101 is formed, and the right lower panel 150 disposed on the lower right side of the upper panel 122 and the right air intake 102 is formed. It is configured to include).

The cabinet 110 has a lower end mounted on an upper surface of the base 109, and is fastened to the base 109 by fastening means such as a screw and disposed vertically vertically above the base 109.

The main body 100 includes a front panel 130 that opens and closes between a front center top of the top panel 122 and a front center top of the base 109.

The front panel 130 is installed to be opened and closed to open and close between the center portion of the upper panel 122 and the front center upper portion of the base 109. The upper surface of the upper panel 122 and the base ( 109 is rotatably connected to the hinge bracket (130a) installed on the upper surface.

Fig. 11 is a sectional view of a first embodiment of an air conditioner with a motor according to the present invention, and Fig. 12 is an exploded perspective view of main parts of a first embodiment of an air conditioner with a motor according to the present invention.

Inside the main body 100, the indoor air is sucked into the air inlets 101, 102, 103 and passed through the main body 100, and then through the air outlets 104, 105, 106. The air blowing unit 160 for discharging to the outside and the air conditioning unit 160 for changing the air inside the main body 110 is provided.

The blower 160 includes a motor 1 mounted on the cabinet 110, a blower fan 162 built on the shaft 30 of the motor 1, the main body 100, in particular the cabinet ( A fan housing 165 installed at the 110 to accommodate the blowing fan 162 and the motor 1; And an orifice 166 installed in the fan housing 165 to guide the air sucked into the fan housing 165.

Here, the motor 1 is mounted to the cabinet 110 so that the shaft 30 is horizontally disposed in the forward direction.

 The motor 1 may also be mounted directly to the cabinet 110 with the motor mounter 40 is dustproof means 50, the motor mounter 40 is attached to the motor mount bracket with the dustproof means 50. The mounting bracket may be mounted to the cabinet 110, and the motor mounter 40 is directly mounted to the cabinet 110.

That is, when the motor 1 does not include a mounting bracket and includes the stator 2 and the rotor 20, the shaft 30, the motor mounter 40, the dustproof means 50, and the like, The motor 1 may be assembled directly to the cabinet 110 by means of the fastening means 54 of the first embodiment of the motor of the present invention to the cabinet 110 or the bolt of the motor of the fourth embodiment of the present invention. Directly assembled to cabinet 110 by 70 and nut 73.

When the motor 1 does not include the mounting bracket as described above, the motor 1 is mounted by the bolt 70 and the nut 73 of the fourth embodiment of the present invention in consideration of the appearance or workability of the cabinet 110. It is preferable.

The cabinet 110 has a through hole 110A through which the bolt 70 penetrates.

Hereinafter, the assembly process of the motor 1 by the bolt 70 and the nut 73 will be described.

First, the bolt 70 passes through the through hole 110A of the cabinet 110, and then passes through the washer 58, the spring 56, and the rubber 52, and then the head of the bolt 70. The 71 is locked to the cabinet 110, and when the nut 73 is fastened to a portion 72 of the bolt 70 that penetrates the rubber 52, the dustproof means 50 and the cabinet 110 are provided. ) Is firmly assembled by the bolt 70 and the nut 73, the motor 1 is installed to be dust-proof in the cabinet (110).

On the contrary, if the bolt 70 passes through the rubber 52, the spring 56, and the washer 58, and then passes through the through hole 110A of the cabinet 110, the head of the bolt 70 ( 71 is caught by the rubber 52, it is also possible to fasten the nut 73 to the portion 72 of the bolt 70 through the through hole 110A of the cabinet 110.

The blowing fan 162 is composed of a centrifugal fan such as a turbo fan that sucks air in front of the blowing fan and blows the air in the circumferential direction.

The fan housing 165 surrounds the blower fan 162 and a suction port 163 is formed on a front surface thereof, and a discharge port 164 is formed on an upper surface thereof.

The orifice 166 is a plate-shaped fastening portion 167 which is installed in close contact with the front of the fan housing 165 and the air sucked by the blowing fan 162 is guided of the fastening portion 167 It is configured to include a flow path portion 168 formed to be curved inside.

The air conditioner 200 is at least one of a heat exchanger, a humidifier, a dehumidifier, and an air purifier, and a heat exchanger 210 for heat-exchanging air blown by the blower 160 to the air discharge port, The description will be made only by including a purifier 220 for purifying the air sucked into the blower 160 by the abundance 160.

The heat exchanger 210 is inclined between the lower portion of the upper panel 122 and the upper portion of the cabinet 110.

The purifier 220 includes a plurality of filters 221, 222, and 223 disposed to be positioned above the front air inlet 103 of the base 109.

The plurality of filters 221, 222, and 223 may include a lower prefilter 221 that filters dust in the air, a HEPA filter 222 that is installed above the lower prefilter 221, and filters fine dust in the air. And a nano filter 223 disposed above the hepa filter 222 to remove odor particles and bacteria in the air.

The purifier 220 includes a left pre-filter 224 disposed on the left lower panel 140 to be located next to the left air intake 101, and the right to be located next to the right air intake 102. It further comprises a right pre-filter 225 disposed on the lower panel 150.

In addition, the purifier 220 further includes an air purifier 230 detachably installed in front of the orifice 156.

The air purifier 230 includes an electrostatic precipitator that ionizes and collects foreign substances such as dust in the air.

Hereinafter, the operation of the air conditioner having a motor of the present invention configured as described above is as follows.

First, when the rotor 20 of the motor 1 is rotated, the shaft 30 is rotated together with the rotor 20 in a state of horizontally projecting toward the front to rotate the blowing fan 162.

When the blower fan 162 is rotated as described above, indoor air is sucked into the main body 50 through the left side air inlet 101, the right side air inlet 102, and the front air inlet 103.

The indoor air sucked through the left air inlet 101 passes through the left prefilter 224, and dust and the like are filtered out, and the indoor air sucked through the right air intake 102 passes the right prefilter 225. While passing through the dust and the like, the indoor air sucked through the front air inlet 103, the dust is filtered while passing through the lower pre-filter 221, after which the fine dust is passed through the hepa filter 222 While passing through the nano-filter 223, odor particles and bacteria in the air are removed.

The indoor air purified as described above is attracted to the front of the blower 160, in particular, the orifice 166, ionizes the foreign matter that is not removed from the various filters 221 to 225 while passing through the electric dust collector 230. Is collected in the electrostatic precipitator 230.

The air passing through the electrostatic precipitator 230 passes through the orifice 166 and the fan housing 165 in turn and is blown to the upper side of the fan housing 165, and passes through the heat exchanger 210 to the refrigerant. It is cooled or heated by heat exchange.

The indoor air cooled or heated as described above is partially blown to the upper front side of the main body 100 through the upper surface air discharge port 106, and most of the indoor air is discharged from the front left air outlet 104 and the front right air outlet 105. Blows toward the front side of the main body (100).

Fig. 13 is a sectional view of a second embodiment of an air conditioner with a motor according to the present invention, and Fig. 14 is an exploded perspective view of principal parts of a second embodiment of an air conditioner with a motor according to the present invention.

An air conditioner having a motor according to the present embodiment includes a stator 2 and a rotor 20, a shaft 30, a motor mounter 40, a dustproof means 50, a mounting bracket 60, and the like. And, the mounting bracket 60 is assembled directly to the cabinet 110 by the fastening member 66, other configurations and actions other than the mounting bracket 60 is assembled directly to the cabinet 110 is in the present invention Since the air conditioner having the motor according to the first embodiment is the same, a detailed description thereof will be omitted.

The motor 1 has the stator 2, the rotor 20, the shaft 30, the motor mounter 40, the mounting bracket 60, etc. are assembled first to form an assembly, and the mounting bracket 60 is the It is assembled to the cabinet 110.

The fastening member 66 may be made of a bolt 66A and a nut 66B, or may be made of a rivet, or the like. Hereinafter, the mounting bracket 60 is fastened by the bolt 66A and the nut 66B. It explains.

The motor 1 is a nut 66B to the bolt 66A after the bolt 66A passes through the through hole 110A of the cabinet 110 and the through hole 68 of the mounting bracket 60. Is fastened and assembled to the cabinet 110.

Fig. 15 is a sectional view of a third embodiment of an air conditioner with a motor according to the present invention, and Fig. 16 is an exploded perspective view of principal parts of a third embodiment of an air conditioner with a motor according to the present invention.

In the air conditioner having the motor according to the present embodiment, the motor 1 is mounted on the fan housing 165 or the orifice 166 instead of the cabinet 110, and the shaft 30 is horizontally disposed rearward, Other configurations and operations other than the motor 1 are the same as those of the first embodiment of the air conditioner having the motor according to the present invention, and thus detailed description thereof will be omitted.

Hereinafter, the motor 1 will be limited to the mounting bracket 60 is mounted to the orifice 166 will be described.

The motor 1 may include a motor mounter 40 and a rotor 20 which are parts other than the mounting bracket 60 to allow air to pass between the motor mounter 40 and the flow path 168 of the orifice 166. It is formed smaller than the size of the flow path portion 168 of the orifice 166.

The mounting bracket 60 has the orifice 166 such that the motor mounter 40, the rotor 20, and the like, which are parts other than the mounting bracket 60, are positioned at the inner center of the flow path 168. ) Is mounted on the front.

 The orifice 166 is provided with a fastening hole 169 so that the mounting bracket 60 can be fastened with a fastening member 90 such as a screw.

The motor 1 has the through hole 68 of the mounting bracket 60 and the motor mounter 40, the rotor 20, etc. being positioned inside the flow path 168 of the orifice 166. Engage the fastening hole 169 of the orifice 166 back and forth, and fasten the fastening member 90 to the fastening hole 169 of the orifice 166 by passing the through hole 68 of the mounting bracket 60. In this case, the shaft 30 is assembled to the orifice 168 such that the shaft 30 protrudes horizontally backward.

 In the air conditioner having the motor according to the present embodiment, when the rotor 20 of the motor 1 is rotated, the shaft 30 is rotated together with the rotor 20 in a state of protruding horizontally toward the rear. The blowing fan 162 is rotated.

When the blower fan 162 is rotated as described above, indoor air is sucked into the main body 50, and then the air is collected in front of the blower 160, in particular, the orifice 166. It passes between the legs 60B, 60C, 60D, and passes between the flow path 168 of the orifice 166 and the motor mounter 40 and is sucked into the fan housing 165.

The sucked air is blown upwards of the fan housing 165 by the blowing fan 162 and the fan housing 165, and then the same as the first embodiment of the air conditioner having a motor according to the present invention. Therefore, description thereof is omitted.

In the air conditioner having the motor according to the present embodiment, since the motor 1 is located in front of the blower fan 162, the front panel 130 is rotated forward, and then the air purifier 230 is separated forward. The motor 1 is exposed to the outside on the front lower side of the main body 100, the motor 1 can be easily serviced without disassembling the entire body 100.

On the other hand, the present invention is not limited to the above embodiments, the air conditioner is also applicable to the wall-mounted air conditioner mounted on the wall or the ceiling type air conditioner installed on the ceiling or the window type air conditioner installed on the window. Of course, various implementations are possible within the technical scope of the present invention.

In the air conditioner having the motor and the motor according to the present invention configured as described above, since the rotor and the shaft are directly fastened by the fastening member, the shaft is connected to the connector after fastening a separate connector having a serration to the rotor with a screw or the like. When combined, the rotor and the shaft can be fixed at a lower cost and simple assembly, and the rotor and the shaft can be firmly fixed than the case where the shaft is forcibly fitted to the rotor or attached with an adhesive.

In addition, the motor according to the present invention has a shaft fixing portion protruding to the shaft is inserted into the rotor, it is easy to identify the portion in which the shaft is inserted when assembling the shaft is easy to fix the shaft, the shaft fixing portion and the support of the shaft There is an advantage that can minimize the shaking of the shaft.

In addition, the motor according to the present invention has the advantage that the shaft fixing portion is formed to protrude in the outer direction of the rotor can easily assemble the shaft and the rotor from the outside of the rotor.

In addition, the motor according to the present invention consists of a pin through which the fastening member and the shaft fixing portion and the shaft, the fastening of the fastening member and the work process for fastening the shaft has a simple advantage.

In addition, the motor according to the present invention has an advantage that the through hole through which the fastening member penetrates the shaft and the shaft fixing portion is opposed to each other, thereby easily fastening the fastening member by a simple operation of inserting the fastening member into the through hole.

In addition, the motor according to the present invention has the advantage that the through-hole is formed in a direction perpendicular to the longitudinal direction of the shaft and the shaft fixing portion, the shaft does not push in the longitudinal direction or slip in the rotation direction during rotation of the rotor.

Claims (10)

A stator; A rotor rotated by the stator outside the stator; A shaft for transmitting the rotational force of the rotor; Motor comprising a fastening member for fastening the rotor and the shaft. The method of claim 1, The rotor is characterized in that the shaft is formed protruding shaft fixed to the fastening member. The method of claim 2, The shaft fixing portion is characterized in that the motor protrudes in the outward direction of the rotor. The method of claim 2, The fastening member is a motor, characterized in that the pin through the shaft fixing portion and the shaft. The method of claim 2, The shaft and the shaft fixing portion is a motor, characterized in that the through-holes through which the fastening member passes. The method of claim 2, The shaft and the shaft fixing portion motor, characterized in that the through hole is formed in a direction orthogonal to the longitudinal direction of the shaft. The method of claim 1, The motor has a bearing for supporting the shaft, The motor is characterized in that it further comprises a motor bracket is installed and coupled to the stator. The method of claim 7, wherein The motor further comprises a motor mounter coupled to the motor bracket. The method of claim 8, The motor is characterized in that it further comprises a mounting bracket in which the motor mounter is installed to be buffered. In the air conditioner comprising an air conditioning unit for changing the air to be discharged after the air is sucked and air-conditioned and a blower for blowing the air, The blowing unit and the stator; A rotor rotated by the stator outside the stator; A shaft for transmitting the rotational force of the rotor; A fastening member for fastening the shaft to the rotor; An air conditioner having a motor comprising a blower fan connected to the shaft.

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