KR20070100520A - Motor and air conditioner having the same - Google Patents

Abstract

A motor and an air conditioner having the same are provided to mount motor brackets at both surfaces of a stator for mounting bearings, thereby preventing protrusion of any additional structure to the inside of the stator and utilizing the inner space of the stator efficiently. A motor includes a stator(2), a rotor(20), and a shaft(30) for transmitting rotation force of the rotor. A plurality of motor brackets(14,15) are mounted on surfaces of the stator respectively. A plurality of bearings(16,17) are mounted to the motor brackets respectively for supporting the shaft. A motor mounter(40) is coupled with at least one of the motor brackets. Each of the motor brackets is formed with a bearing housing part(14b,15b) protruded outward to be inserted by the bearings. One of the motor brackets is formed with a through-hole(14d) in the bearing housing part to be penetrated by the shaft. Another one of the motor brackets is formed with a blocked surface(15b') facing the shaft in the bearing housing part.

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

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

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

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

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

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

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

16 is an enlarged exploded perspective view of the rotor shown in FIG. 15.

<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

BACKGROUND OF THE INVENTION 1. Field of the Invention 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 same, in which a bearing is installed close to the stator side and as slim as possible.

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 control responsiveness is high, and the outer rotor type motor has a great inertia in structure, and thus is suitable for a device requiring constant speed.

Recently, motors installed in home appliances such as washing machines and air conditioners have become a slimmer and lighter weight, and if the motor is slim and simple in structure, the performance and manufacturing cost of the home appliances are reduced.

15 is a cross-sectional view showing an example of a motor according to the prior art, Figure 16 is an enlarged exploded perspective view of the rotor shown in FIG.

The motor according to the prior art, as shown in Figure 15, the stator 500, the rotor 510 rotated by the stator 500, and the screw 518 in the center of the rotor 510 is fastened Connector 520, a shaft 530 coupled to the connector 520 and the serration 528, and a bearing 540 for mounting the stator 500 and supporting the shaft 530 therein ( And a bearing housing 550 in which 542 is installed.

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. 16, the rotor frame 512 is provided with a fastening hole 514 to fasten the connector 520 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.

As shown in FIG. 15, the bearing housing 550 is mounted to a fixing part T of a 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.

The bearing housing 550 has a hub 552 protruding from the front as well as the rear in the center thereof.

The hub 552 has a front portion 553 protruding in the opposite direction of the stator 500, so that the rear portion 554 protrudes toward the inside of the stator 500.

The hub 552 is provided with a front bearing 540 inside the front part 553, and a rear bearing 542 is installed inside the rear part 554.

The shaft 530 has a rear end coupled to the hub portion 524 of the connector 520 to be connected to the connector 520 so as to protrude in the stator direction, and the inside of the stator 500 and the bearing housing 550. The tip protrudes forward of the bearing housing 550 through the hub 552.

The motor is connected to a driving unit of a device in which the motor is installed, for example, a fan of an air conditioner, a drum of a washing machine, or the like at the tip of the shaft 530.

However, the motor according to the related art is arranged such that the rear portion 554 of the hub 552 of the bearing housing 550 protrudes long inside the stator 2, so that the stator 2 has a narrow space inside the stator 2. 2) It is difficult to install various electrical components and the like in the inner space, and the hub 552 front part 553 of the bearing housing 550 protrudes to the outside, so there is a problem in that there is a limit in slimming.

The present invention has been made to solve the above problems of the prior art, and an object thereof is to provide a motor and an air conditioner having the same that can efficiently utilize the internal space of the stator and can be made as slim as possible.

The motor according to the present invention for solving the above problems is a stator; A rotor rotated by the stator outside the stator; A shaft for transmitting the rotational force of the rotor; A plurality of motor brackets respectively installed on one side and the other side of the stator; A plurality of bearings mounted on each of the motor brackets to support the shaft; And a motor mounter to which at least one of the plurality of motor brackets is fastened.

The motor is installed such that a drive for controlling the motor is located between the plurality of motor brackets.

Each of the motor brackets is formed such that a bearing housing part into which the bearing is inserted is installed to protrude in an outward direction of the stator.

A shaft through hole through which the shaft penetrates is formed in one of the bearing housing parts of the plurality of motor brackets.

 The bearing housing part of the other one of the plurality of motor brackets is formed to block the opposite surface of the shaft.

The motor mounter has an opening that avoids the bearing housing part.

The motor mounter has a stepped portion on which one of the stator and the plurality of motor brackets is raised to protrude toward the inside of the stator.

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 plurality of motor brackets respectively installed on one side and the other side of the stator; A plurality of bearings mounted on each of the motor brackets to support the shaft; A motor mounter to which at least one of the plurality of motor brackets is fastened; 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 a substantially 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 may be provided with an external or internal shaft support means 13 for rotatably supporting the shaft 30. At least a part of the shaft support means 13 may be provided in the motor 1. Since the size of the entire motor 1 is increased when provided outside of the motor, it is preferable to provide the entire shaft support means 13 inside the motor 1 in order to make the entire motor 1 as compact as possible. In addition, it is preferable that a separate shaft support means is not provided outside the motor 1.

That is, as shown in FIG. 4, all of the shaft supporting means 13 are installed in the inner space of the rotor 20 and the motor mounter 40.

The shaft support means (13) includes a plurality of motor brackets (14) (15) installed on one surface and the other surface of the stator (2), respectively;

It is configured to include a plurality of bearings (16) and (17) installed on each of the motor brackets (14) (15) to support the shaft (30).

The motor brackets 14 and 15 and the bearings 16 and 17 are not limited to the number of the motor brackets 14 and 15, but the following description will be provided with two sets provided.

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 may be disposed to block both sides of the stator 2, in particular, the hollow part 3 of the stator core 4, and a drive 18 or the like may be installed therebetween. You will have a receiver.

The plurality of motor brackets 14 and 15 are fastened to the stator 2 with bolts 10 and nuts 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 portion 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 in the downward direction of FIG. 4, so that the plurality of points of the shaft 30 are more stably in a state where the plurality of bearings 16 and 17 are spaced apart as much as possible. Support it.

A shaft through hole 14d through which the shaft 30 penetrates is formed larger in the bearing housing portion 14b of any one of the plurality of motor brackets 14 and 15 than the shaft 30.

The bearing housing portion 14b of the other 15 of the plurality of motor brackets 14 and 15 may prevent foreign substances such as dust from penetrating into the receiving portion, which is the hollow portion 3 of the stator core 4. The opposing surface 15b with the shaft 30 is formed to be clogged.

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, provided that a plurality is provided so as to be positioned between the plurality of the motor bracket (14, 15) and the rest is located between the stator (2) and the motor mounter (40). Of course it is possible.

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 because there is no, it should be provided between the stator 2 and the motor mounter 40, a separate space in which the drive 18 can be built.

In the motor 1, when the internal space of the hollow part 3 of the stator core 4 is large, the drive 18 is preferably installed between the plurality of motor brackets 14 and 15. When the internal space of the hollow part 3 of the core 4 is small, it is preferable that the drive 18 is installed between the stator 2 and the motor mounter 40. The motor 1 is a stator core. Since the hollow part 3 of (4) has a large space compared with the former, it is preferable that the said drive 18 is provided between the said some motor bracket 14,15.

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 Figs. 3 and 4, the cross-sectional shape is '∪' shape It is configured to include a rotor frame 22 and a magnet 28 attached to the rotor frame 22 formed.

The motor 1 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 portion 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 blower fan to be described later, may be formed in a cylindrical shape, may be formed in a hollow cylindrical shape, the hollow cylinder Since the strength is better when formed into a shape is most preferably formed into a hollow cylindrical shape.

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. Inside of (1), in particular, it serves as a kind of motor cover or stator cover that prevents water or foreign matter from penetrating into the stator 2, which is not surrounded by the rotor 10 in the stator 2 below. It will be described so as to cover only the function to serve 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 surrounded by the rotor 10, a cylindrical portion 27 of the rotor frame 2, and the plate body portion ( It comprises a flange portion 40B bent orthogonally at the outer circumference of the plate body portion 40A so as to cover the gap between 40A and the edge portion 40C bent outward from the end of the flange portion 40B. do.

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 is provided with a wire through part 46 through which an electric wire connected to the motor 1, in particular, the drive 18 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 coupled to at least one of the stator 2 and the plurality of motor brackets 14 and 15, and the motor brackets 14 and 15 are configured to simplify the structure of the stator 2. It is preferable 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 magnetic field, and the shaft 30 is rotated together with the rotor frame 22.

The shaft 30 is provided on the stator 2 side by the plurality of bearings 16 and 17 installed such that the inner shaft 35 is positioned between the rotor 20 and the motor mounter 40 during the rotation. It rotates while being supported stably, and the outer shaft part 34 rotates a blowing fan etc. on the opposite side of the said stator 2.

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 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.

7 is a perspective view showing a first embodiment of an air conditioner with a motor according to the present invention, and FIG. 8 is a front view showing a first embodiment of an air conditioner with a motor according to the present invention.

As shown in FIG. 7 and FIG. 8, the air conditioner having the motor according to the present embodiment has air inlets 101, 102, 103 through which indoor air is sucked into the main body 100 forming an appearance. 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.

9 is a cross-sectional view of a first embodiment of an air conditioner with a motor according to the present invention, and FIG. 10 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 air conditioning unit 160 for changing the air inside the main body 110, and the air intake into the air intake port 101, 102, 103 to the main body 100 After passing through) is provided with a blower 200 for discharging to the outside through the air discharge port 104, 105, 106.

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 in which the dustproof means 50 is connected to the cabinet 110 or the bolt of the motor of the second 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, it is mounted by the bolt 70 and the nut 73 of the second embodiment of the motor 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 blower fan 162 is composed of a centrifugal fan such as a turbo fan that sucks air in front of the blower fan and blows it 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.

That is, the air conditioner having the motor according to the present embodiment is arranged in the order of the cabinet 110, the motor mounter 40, the stator 2, the rotor 40, and the blowing fan 162 in the front-rear direction, and the stator ( 2) is installed on the cabinet 110 side through the motor mounter 40, and the blowing fan 162 is connected to the rotor 40 in close proximity.

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

As shown in Figs. 11 and 12, the air conditioner having the motor according to the present embodiment includes the stator 2 and the rotor 20, the shaft 30, the motor mounter 40, and the dustproof means 50. ), A mounting bracket 60, and the like, wherein the mounting bracket 60 is assembled directly to the cabinet 110 by the fastening member 66, and the mounting bracket 60 is assembled directly to the cabinet 110. Other configurations and operations other than those described above are the same as those of the first embodiment of the air conditioner having the motor according to the present invention, and thus 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.

The air conditioner having the motor according to the present embodiment is arranged in the order of the cabinet 110, the mounting bracket 60, the motor mounter 40, the stator 2, the rotor 40, and the blowing fan 162 in the front-rear direction. Thus, the stator 2 is installed on the cabinet 110 side through the motor mounter 40 and the mounting bracket 60, and the blowing fan 162 is connected to the rotor 40 in close proximity.

Fig. 13 is a sectional view of a third 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 third embodiment of an air conditioner with a motor according to the present invention.

As shown in FIGS. 13 and 14, the air conditioner having the motor according to the present embodiment includes the motor 1 mounted on the fan housing 165 or the orifice 166 instead of the cabinet 110, and the shaft ( 30) is disposed horizontally toward the rear, and other configurations and actions 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 a 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. The fastening hole 169 of the orifice 166 is aligned with each other, and the fastening member 90 passes through the through hole 68 of the mounting bracket 60 to the fastening hole 169 of the orifice 166. When engaged, the shaft 30 is assembled to the orifice 168 such that the shaft 30 protrudes horizontally backward.

That is, the air conditioner having the motor according to the present embodiment includes the cabinet 110, the blowing fan 162, the rotor 40, the stator 2, the motor mounter 40, and the mounting bracket 40 in the front-rear direction. Arranged in order, the stator 2 is installed on the side of the orifice 110, which is the front portion of the blower 160, through the motor mounter 40 and the mounting bracket 60, and the blower fan 162 is the rotor 40. Are connected in close proximity.

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, detailed description thereof will be 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 motor according to the present invention configured as described above, motor brackets are installed on each of one side and the other side of the stator so that a separate structure other than the shaft does not protrude into the stator. There is an advantage that can be utilized efficiently.

In addition, the motor according to the present invention has the advantage that the entire motor is made as slim as possible because the bearing is installed on the motor bracket positioned between the rotor and the motor mounter so that a separate structure for installing the bearing to the outside of the motor does not protrude. .

In addition, since the motor controlling the motor is installed between the plurality of motor brackets, the motor according to the present invention can make the motor slimmer than when the drive is provided outside the motor, and when the drive is installed in the motor mounter. Since the distance between the stator and the motor mounter can be reduced, the motor can be made slimmer.

In addition, the motor according to the present invention is formed so that the bearing housing portion of the motor bracket protrudes in the outward direction of the stator, there is an advantage that can support a plurality of points of the shaft more stably in a state in which the plurality of bearings are spaced apart as much as possible.

In addition, the motor according to the present invention has a shaft through hole through which the shaft is formed in one of the bearing housing of the plurality of motor bracket can be supported by the plurality of bearing shaft, the bearing housing of the other one of the plurality of motor bracket It is formed clogged, there is an advantage that can minimize the inflow of foreign substances such as dust.

In addition, the motor according to the present invention has an advantage in that the stepped portion is formed on the motor mount which one of the motor bracket is raised, the motor bracket and the motor mounter can be assembled as close as possible while separating the stator and the motor mounter.

In addition, the motor according to the present invention has an opening which avoids the bearing housing part in the motor mounter, so that the motor mounter can be assembled as close as possible to the stator side, so that the entire set can be made compact.

In addition, the motor according to the present invention is configured to further include a mounting bracket in which the motor mounter can be buffered so that even when the motor mounter is difficult to install directly, it can be installed through the mounting bracket, reducing the vibration transmitted through the motor mounter There is an advantage to this.

Claims (9)

A stator; A rotor rotated by the stator outside the stator; A shaft for transmitting the rotational force of the rotor; A plurality of motor brackets respectively installed on one side and the other side of the stator; A plurality of bearings mounted on each of the motor brackets to support the shaft; And a motor mounter to which at least one of the plurality of motor brackets is fastened. The method of claim 1, The motor is characterized in that the drive for controlling the motor is installed so as to be located between the plurality of motor bracket. The method of claim 1, Each of the motor brackets are formed in such a way that the bearing housing portion into which the bearing is inserted is formed to protrude in the outward direction of the stator. The method of claim 3, wherein The motor of any one of the plurality of motor bracket, characterized in that the shaft through hole through which the shaft is formed. The method of claim 4, wherein The bearing housing of the other one of the plurality of motor brackets is characterized in that the opposite surface to the shaft is blocked. The method of claim 5, The motor mounter is characterized in that the opening is formed to avoid the bearing housing portion.   The method of claim 3, wherein The motor mounter is a motor, characterized in that the stepped portion in which any one of the stator and the plurality of motor brackets are raised stepped protruding toward the inside of the stator.   The method of claim 1, 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 plurality of motor brackets respectively installed on one side and the other side of the stator; A plurality of bearings mounted on each of the motor brackets to support the shaft; A motor mounter to which at least one of the plurality of motor brackets is fastened; An air conditioner having a motor comprising a blower fan connected to the shaft.

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