KR20200111651A - Air conditioner - Google Patents

Abstract

The present invention relates to an air conditioner capable of increasing the efficiency of a fan motor while minimizing the number of parts. The air conditioner includes: a filter; a dust box module having a dust collecting space in which dust separated from the filter is accommodated; and a suction unit that communicates with the dust collection space and sucks and exhausts air from the dust collection space. The suction unit includes: a suction housing with an opening on one side, a fan motor accommodation space inside, and an exhaust hole on the other side; and a fan motor housed in the fan motor accommodation space and combined with the suction housing. The fan motor includes a motor in which a rotor and a stator are accommodated in a motor housing and a rotating shaft is connected to the rotor; an impeller connected to the rotating shaft; and an impeller housing surrounding an outer circumference of the impeller; a first vibration isolating member disposed between the impeller housing and the opening and having an inlet flow path for guiding air to the impeller therein; and a second vibration isolating member disposed between the suction housing and the motor.

Description

Air conditioner

The present invention relates to an air conditioner, and more particularly, to an air conditioner capable of cleaning a filter.

An air conditioner is a device for maintaining the indoor air in the most suitable state according to its use and purpose.

The air conditioner can be classified into an upright type, a wall-mounted type, or a ceiling type, depending on the installation location. The upright indoor unit is a type of air conditioner installed to be erected in an indoor space, and the wall-mounted indoor unit is understood as a type of air conditioner installed to be attached to a wall surface. In addition, the ceiling type indoor unit is understood as a type air conditioner installed on the ceiling.

The air conditioner may be an air conditioner that cools a predetermined space, a heater that heats a predetermined space, an air conditioner that cools or heats a predetermined space, and a purifier that purifies the air in a predetermined space. The function of the air conditioner is air It may be determined according to the type of air conditioning unit installed inside the conditioner.

The air conditioner may include a compressor, a condenser, an expansion device, and an evaporator, and a refrigeration cycle for compressing, condensing, expanding and evaporating the refrigerant is driven to cool or heat the predetermined space.

The air conditioner may include an electric heater, and current is applied to the electric heater to heat the predetermined space.

The air conditioner may include a cleaning unit such as a filter unit, and may purify the air in the predetermined space.

The air conditioner may include a filter through which dust in the air is filtered, and a dust collecting passage through which dust separated from the filter is collected, and a suction force generating mechanism that allows dust from the filter to be sucked into the dust collecting container together with air, the filter It is not drawn out to the outside of the air conditioner, and can be cleaned while being placed in the air conditioner.

An example of an air conditioner having such a filter, a dust collecting container, and a suction force generating unit is disclosed in Korean Patent Publication 10-1392322 B1 (announced on April 29, 2014), and such an air conditioner removes foreign matter from the filter. It includes a suction force generating mechanism for suctioning and sending it to the dust collecting box, and the suction force generating mechanism includes a cleaning blower that sucks foreign substances and air and discharges it to the dust collecting box.

Such a cleaning blower includes a cleaning fan motor fastened with a fastening member such as a screw to the chassis, a cleaning fan connected to the cleaning fan motor, and a cleaning fan housing combined with the cleaning fan motor, and the dust collecting container discharges the cleaning blower. The suction flange portion to be inserted is formed in a square duct shape.

In the air conditioner according to the prior art, the vibration of the cleaning fan motor may be transmitted to the cleaning fan housing and the dust collecting bin, and air and dust may leak through the gap between the cleaning fan housing and the dust collecting bin, so that the efficiency of the cleaning blower is low. There is this.

Republic of Korea Patent Publication 10-1392322 B1 (announced on April 29, 2014)

The present invention is to provide an air conditioner capable of minimizing transmission of vibrations of a fan motor to a dust box module or a suction housing with a simple structure.

Another object of the present invention is to provide an air conditioner capable of increasing the efficiency of a fan motor while minimizing the number of parts.

An air conditioner according to an embodiment of the present invention includes a filter; A dust box module having a dust collecting space for receiving the dust separated from the filter; And a suction unit that communicates with the dust collection space and sucks and exhausts air in the dust collection space.

The suction unit includes: a suction housing having an opening formed at one side, a fan motor receiving space formed therein, and an exhaust hole formed at the other side; And a fan motor accommodated in the fan motor accommodating space and coupled to the section housing.

The fan motor includes a motor in which a rotor and a stator are accommodated in a motor housing and a rotation shaft is connected to the rotor; An impeller connected to the rotating shaft; It includes an impeller housing surrounding the outer circumference of the impeller.

The fan motor includes a first vibration-isolating member disposed between the impeller housing and the opening and having an inlet flow path therein to guide air to the impeller.

Vibration of the impeller housing may be absorbed by the first vibration isolating member, and vibration transmitted to the suction housing or the dust box module may be minimized.

It is possible to seal between the dust box module and the impeller housing by the first vibration isolating member, minimizing that air outside the outer circumference of the first vibration isolating member is sucked into the impeller housing through the gap between the dust box module and the impeller housing. And the suction efficiency of the fan motor is high.

The first anti-vibration member may include a first fitting portion fitted into the opening while surrounding the periphery of the opening, and a second fitting portion fitted into the impeller housing.

The dust box module may be provided with an outlet through which air passes through the dust collecting space. The first vibration isolating member may include a contact end contacting the periphery of the outlet.

The fan motor may further include a second vibration isolating member disposed between the suction housing and the motor.

The motor of the fan motor does not directly contact the suction housing, and vibration of the motor may be absorbed by the second vibration isolating member.

The air conditioner includes a filter case having a filter space in which the filter is accommodated and a dust box module space in which the dust box module is accommodated; A case having a receiving body accommodating the filter case and having an inner space therein; It may further include a blowing fan accommodated in the inner space.

A through hole in which a part of the first vibration isolating member is inserted and received may be formed in the receiving body.

The air conditioner may further include a moving mechanism for moving the filter case to a position in which the dust collecting space communicates with the inlet flow path.

The suction housing may be disposed under the receiving body.

The suction housing may be accommodated in the inner space. The suction housing may be provided with a case fastening part fastened to the case.

The suction housing may have the opening formed at an upper portion and the exhaust hole formed at the lower portion.

The air conditioner may further include a wire connected to the motor. In the section housing, a wire through hole through which the wire passes may be formed around the exhaust hole.

The section housing may have a hollow body in which the second vibration isolating member is accommodated on a lower plate. The exhaust hole may be formed around the hollow body.

According to an embodiment of the present invention, since the first vibration isolating member has a function of absorbing vibration and a function of guiding air in the dust collecting space to the impeller, the vibration isolating member for vibration isolating and the air guide for guiding air are separate parts. The number of parts can be minimized, the structure is simple, and compactness is possible than when it is composed of and mounted separately.

In addition, even when the fan motor shakes large, the impeller housing and the motor do not come into contact with the suction housing, and noise from the first and second vibration isolating members to the outside can be minimized.

In addition, since each of the impeller housing and the motor is not in direct contact with the suction housing, and is connected to the suction housing through the first vibration isolating member and the second vibration isolating member, vibration transmitted from the impeller housing or motor to the suction housing is minimized. I can.

1 is a view showing an air conditioner installed on a wall according to an embodiment of the present invention.
2 is a perspective view of the air conditioner when the case and the front panel shown in FIG. 1 are separated from the chassis;
3 is an exploded perspective view of an air conditioner according to an embodiment of the present invention,
4 is a bottom view of a filter assembly according to an embodiment of the present invention,
5 is a perspective view when the front panel shown in FIG. 1 is in a first position;
6 is a perspective view of the front panel shown in FIG. 1 in a second position;
7 is a perspective view of the front panel shown in FIG. 1 in a third position;
8 is a plan view of an air conditioner according to an embodiment of the present invention,
9 is a cross-sectional view taken along line A-A' shown in FIG. 8;
10 is a cross-sectional view taken along line B-B' shown in FIG. 8;
11 is a bottom view showing the inside of a dielectric filter according to an embodiment of the present invention;
12 is a view showing a filter assembly and a moving mechanism according to an embodiment of the present invention.
13 is a plan view when the filter assembly shown in FIG. 8 is drawn forward;
14 is a perspective view when the filter assembly shown in FIG. 8 is pulled forward;
15 is a perspective view showing the inside of a filter assembly according to an embodiment of the present invention;
16 is a bottom view when the dust box module is separated from the filter case according to the embodiment of the present invention;
17 is an exploded perspective view of a filter assembly according to an embodiment of the present invention,
18 is a bottom view of a pre-filter according to an embodiment of the present invention;
19 is an enlarged cross-sectional view of a filter assembly according to an embodiment of the present invention when connected to a suction unit;
20 is a cross-sectional view taken along line C-C' shown in FIG. 8;
21 is an enlarged cross-sectional view showing a pre-filter, rollers, and brushes when the pre-filter is not cleaned according to an embodiment of the present invention;
22 is a cross-sectional view when the pre-filter shown in FIG. 21 is cleaned;
23 is a perspective view of a suction unit according to an embodiment of the present invention,
24 is a perspective view when a dust box module is connected to the suction unit shown in FIG. 23;
25 is a cross-sectional view of a suction unit according to an embodiment of the present invention;
26 is a bottom view of a suction unit according to an embodiment of the present invention;
27 is a rear view when a suction unit according to an embodiment of the present invention is fastened to a case;
28 is a plan view illustrating a first vibration isolating member and a receiving body according to an embodiment of the present invention.

Hereinafter, specific embodiments of the present invention will be described in detail together with the drawings.

1 is a view showing an air conditioner installed on a wall according to an embodiment of the present invention, and FIG. 2 is a perspective view of the air conditioner when the case and front panel shown in FIG. 1 are separated from the chassis, and FIG. 3 is It is an exploded perspective view of an air conditioner according to an embodiment of the present invention, and FIG. 4 is a bottom view of a filter assembly according to an embodiment of the present invention.

The air conditioner of this embodiment may be installed on the wall (W).

The air conditioner may include a body 10 having an inner space S1 formed therein. The main body 10 may form the exterior of an air conditioner, and the main body 10 may have a suction part and a discharge part. In addition, a blowing fan 40 and an air conditioning unit may be accommodated in the body 10.

When the blowing fan 40 rotates, air outside the main body 10 can be sucked into the inner space S1 through the suction unit, and the air introduced into the main body 10 is air-conditioned by the air conditioning unit. After that, it may be discharged to the outside of the main body 10 through the discharge part.

The body 10 may be composed of a combination of a plurality of members, and an example of the body 10 may include a chassis 30 and a case 100.

The body 10 may be installed on the wall W by the installation plate 20. The installation plate 20 may be a component for fixing the body 10 to the wall W. The installation plate 20 may be coupled to the wall W, and the chassis 30 may be mounted on the installation plate 20. The installation plate 20 has a thin plate shape and may include a central portion coupled to the rear surface of the chassis 30 and both side portions extending downward from both sides of the central portion to support the lower portion of the chassis 30.

The chassis 30 is a plate coupling portion 31 coupled to the installation plate 20 and a rear guide 33 that extends round downward from the plate coupling portion 31 to surround a part of the outer circumferential surface of the blowing fan 40. ) Can be included.

The plate coupling part 31 may have a thin plate shape.

The rear guide 33 may function as a flow guide for guiding the airflow discharged from the blowing fan 40 toward the discharge unit.

The blowing fan 40 may include a cross-flow fan. The cross flow fan may suck air sucked from the upper portion of the main body 10 in a circumferential direction and discharge it in the circumferential direction. The axial direction of the blowing fan 40 may be a horizontal direction of the main body 10.

The blowing fan 40 may be rotatably supported on both sides of the chassis 30.

The chassis 30 may further include two fan support portions 35 supporting both side ends of the blowing fan 40. The two fan support portions 35 may protrude forward from both sides of the rear guide 33.

A blowing motor 45 driving the blowing fan 40 may be installed outside any one of the two fan support parts 35. The shaft of the blowing motor 45 may pass through the fan support 35 and be coupled to the blowing fan 40.

The blowing fan 40 may be accommodated in the inner space S1 together with the blowing motor 45.

A motor cover 47 may be coupled to the blower motor 45. The blower motor 45 may be accommodated in an inner space formed by the fan support 35 and the motor cover 47.

A controller 50 for controlling the main body 10 may be installed in the chassis 30. The controller 50 may be located at the side of the blower motor 45 and may be supported by the case 100. The controller 50 may include a control box 52 forming an exterior, and a control component disposed inside the control box 53 to operate the air conditioner.

The air conditioner may further include a lower plate 55 forming a lower exterior of the body 10. The lower plater 55 may be disposed under the chassis 30.

The case 100 may be coupled to the front of the chassis 30. In addition, a blowing fan 40 may be accommodated between the chassis 30 and the case 100. An inner space S1 may be formed between the chassis 30 and the case 100, and a blowing fan 40 may be accommodated in the inner space S1.

The case 100 may have a three-dimensional shape, and the inner space S1 may be formed inside the case 100.

The air conditioner may further include an air conditioning unit accommodated in the inner space S1. An example of the air conditioning unit may be a heat exchanger 60 through which a refrigerant passes. Another example of the air conditioning unit may be a thermoelectric device. Another example of the air conditioning unit may be an electric heater.

Hereinafter, the air conditioner will be described as an example in which the heat exchanger 60 is accommodated in the inner space S1. However, the present invention is not limited to the heat exchanger 60 being accommodated in the inner space S1, and various air conditioning units including thermoelectric elements, electric heaters, humidifiers, and purification units are selectively accommodated in the inner space S1. Of course it is also possible to become.

A heat exchanger 60 may be accommodated in an inner space S1 formed between the chassis 30 and the case 100. Based on the air flow, the heat exchanger 60 may be supported by at least one of the chassis 30 and the discharge grill assembly 80.

The heat exchanger 60 may have a bent shape. In detail, the heat exchanger 60 includes a first heat exchange part 61 extending vertically in a direction corresponding to the front part of the main body 10, and a first heat exchange part 61 extending obliquely upward from the first heat exchange part 61. A second heat exchange part 63 and a third heat exchange part 65 extending obliquely downward from the second heat exchange part 63 are included. The first to third heat exchange units 61, 63, and 65 are disposed outside the blowing fan 40 and may be understood as being disposed in a suction area of the air sucked by the blowing fan 40.

A heat exchanger holder 67 is coupled to the heat exchanger 60. The heat exchanger holder 67 is coupled to the side of the heat exchanger 60 and may be supported on the inner side of the case 100.

A refrigerant tube 70 is coupled to the heat exchanger 60. The refrigerant tube 70 may introduce a refrigerant into the heat exchanger 60 or guide a flow of the refrigerant discharged from the heat exchanger 60. The refrigerant tube 70 is coupled to a side of the heat exchanger 60, and a tube cover 75 is wrapped outside the refrigerant tube 70.

A case 100 is provided in front of the chassis 30. An air flow path is formed inside the case 100.

The air conditioner may include a filter assembly 300. The filter assembly 300 may be disposed on the main body 10 so as to be withdrawn to the outside.

The air conditioner may include a pair of side portions 111 and 112 forming the side appearance thereof. In addition, the air conditioner may further include an upper surface portion 113 forming the upper surface appearance.

In addition, the air conditioner may further include a receiving body 114 in which the filter assembly 300 is inserted and received.

The pair of side portions 111 and 112 and the upper surface portion 113 may be formed by at least one of the chassis 30 and the case 100.

The receiving body 114 may be formed in a shape recessed from the upper surface portion 113. The receiving body 114 may be a filter assembly receiving body that covers at least one surface of the filter assembly 300, and a filter that covers at least one surface of the filter case 310 forming an exterior of the filter assembly 300 It may be a case housing.

When the filter assembly 300 is inserted into the accommodating body 114, the upper surface of the air conditioner may be formed. When the filter assembly 300 is inserted into the receiving body 114, the filter assembly 300 may be disposed on at least one of the chassis 30 and the case 100, and air outside the air conditioner may be supplied to the filter assembly 300. After being purified while passing through ), it may be introduced between the chassis 30 and the case 100.

When the filter assembly 300 is inserted into the receiving body 114, its upper surface may be exposed to the outside, and the upper surface of the filter assembly 300 may form the upper surface of the air conditioner. The filter assembly 300 may be drawn upward from the air conditioner while being accommodated in the receiving body 114.

A discharge part is formed under the case 100. The discharge part may include a lower discharge part 126. The lower discharge part 126 may be formed under the case. The lower discharge part 126 may be formed to discharge air in a downward direction.

The case 100 may be configured as a single member or may be configured as a combination of a plurality of members 110 and 120. When the case 100 is a combination of a plurality of members, the case 100 includes a case body 110 coupled to the chassis 30 and a grill frame 120 disposed in front of the case body 110. Can include.

The air conditioner may further include a discharge grill assembly 80.

The discharge grill assembly 80 may be disposed under the case 100. The discharge grill assembly 80 may include a discharge grill body 81 spaced apart from the chassis 30. The discharge grill assembly 80 may include left and right vanes 82 for controlling the direction of the discharge air flow. The left and right vanes 82 may be rotated in a horizontal direction based on a vertical line to control the horizontal direction of the discharge air flow. A plurality of the left and right vanes 83 may be provided and connected to one link 84, and the plurality of left and right vanes 82 may rotate together according to the movement of the link 84. The discharge grill assembly 80 may include a left and right vane motor 86 that rotates the left and right vanes 82. The left and right vane motors 86 may be installed on the discharge grill body 81.

The upper and lower vanes 88 for controlling the vertical direction of the discharge air may be provided below the case 100. A link 89 may be connected to the side of the upper and lower vanes 88, and an upper and lower vane motor 90 for driving the upper and lower vanes 88 may be connected to the link 89. The upper and lower vane motor 90 may be installed on at least one of the chassis 30, the lower plate 55, and the discharge grill body 81.

A front panel 150 may be disposed on the case 100. The front panel 150 may be disposed in front of the case 100 to form a front appearance of the main body 10.

A display unit 152 capable of checking operation information of the main body 10 may be provided on the front panel 150. A display hole 154 in which the display unit 152 is located may be formed in the front panel 150.

The air conditioner may further include a driving mechanism 170 (refer to FIG. 3) connected to the front panel 150 to operate the front panel 150 in multiple positions. The driving mechanism 170 may be installed in the case 100 or the chassis 30. The driving mechanism 170 may be connected to the front panel 150 by a power transmission member such as a gear.

For example, a long rack may be formed on the front panel 150 in the vertical direction. In addition, the driving mechanism 170 may include a motor 172, and may further include a pinion 174 rotated by the motor 172 and meshed with the rack.

The air conditioner may further include a high voltage power supply 180 (refer to FIG. 2) for applying a high voltage to the filter assembly 300.

The high voltage power supply 180 may apply a high voltage to the filter assembly 300 and a charging module 360 (refer to FIG. 9) to be described later. The charging module 360 may ionize foreign substances such as dust in the air, and foreign substances ionized by the charging module 360 may be collected inside the filter assembly 300.

The filter assembly 300 may include a filter case 310 and at least one filter accommodated in the filter case 310. The filter assembly 300 may include a pre-filter 340 (see FIG. 3) accommodated in the filter case 310.

The pre-filter 340 may be an air conditioner, in particular, a filter that filters foreign substances flowing into the filter assembly 300. The pre-filter 340 may have a mesh shape. The pre-filter 340 may be located before the air conditioning unit (eg, the heat exchanger 60) in the air flow direction.

The filter assembly 300 may include a plurality of filters, and in this case, the filter assembly 300 may further include a dust collection filter 350 (see FIG. 4 ).

When the filter assembly 300 includes a pre-filter 340 and a dust collection filter 350, the pre-filter 340 may be positioned before the dust collection filter 350 in an air flow direction.

An example of the dust collecting filter 350 may be a high-performance filter such as a HEPA filter through which fine dust or the like can be filtered.

Another example of the dust collection filter 350 may be an electric dust collection filter that collects dust using electricity. While the dust collecting filter 350 is accommodated in the filter case 310, the electrostatic filter 350 may be electrically connected to the high voltage power supply 180 through wires and terminals. The dust collecting filter 350 may be an electrostatic filter that collects foreign substances by using static electricity of foreign substances ionized by the charging module 360.

Hereinafter, an example in which the dust collecting filter 350 is an electrostatic filter will be described, and the electrostatic filter will be described using the same reference numerals as the dust collecting filter 350. However, it goes without saying that the present invention is not limited to the dust collecting filter 350 being an electrostatic filter.

The pre-filter 340 may filter large dust in air flowing toward the electrostatic filter 350 while being positioned above the electrostatic filter 350.

The electrostatic filter 350 may be disposed between the pre-filter 340 and the filter case 310.

The air conditioner further includes a brush unit 380 (refer to FIG. 4) for separating foreign substances such as dust (hereinafter referred to as'dust') attached to the filter (for example, the pre-filter 340) from the filter. Can include.

The brush unit 380 may be disposed at a position where the filter, in particular, the pre-filter 340 may contact.

The air conditioner may further include a dust box module 390 (refer to FIG. 4) in which dust separated from the filter is accommodated. A dust collecting space (S6 (refer to FIG. 19) in which dust separated from the filter is accommodated) may be formed inside the dust box 390.

The dust attached to the pre-filter 340 may be separated from the pre-filter 340 by contacting the brush unit 380, and the dust separated by the pre-filter 340 is transferred to the dust box module 390. It may be introduced and accommodated in the dust collecting space S6 inside the dust box module 390.

The dust box module 390 may be disposed to be drawn out of the air conditioner, and dust stored therein may be discarded by a user or the like.

The air conditioner may further include a suction unit 400 (refer to FIG. 2) that generates a suction force to separate dust accumulated in the filter 340 from the pre-filter 340.

The suction unit 400 may communicate with the dust box module 390. When the dust box module 390 is mounted on the air conditioner, the suction unit 400 may communicate with the dust box module 390. The suction unit 400 may be separated from the dust box module 390 when the dust box module 390 is drawn out. That is, the suction unit 400 may be detachably connected to the dust box module 390, and when the dust box module 390 is connected, the air inside the dust box module 390, that is, a dust collecting space The air in (S6) can be sucked in and exhausted.

The suction unit 400 may be a suction force generating unit or a filter cleaning device connected to the dust box module 390 to suck air from the dust box module 390. The suction unit 400 may include a fan motor assembly that sucks and exhausts air from the dust box module 390. The suction unit 400 may be a fan motor assembly to which the dust box module 390 is detachably contacted.

When the suction unit 400 is turned on, the air inside the dust box module 390 may be sucked into the suction unit 400, and the pressure inside the dust box module 390 is outside the dust box module 390. Can be lower than the pressure. The air around the pre-filter 340 may be sucked toward the inside of the dust box module 390 to transport the dust of the pre-filter 340 to the inside of the dust box module 390.

The suction unit 400 may be mounted in a fixed position on the main body 10, and an electric wire may be connected to the suction unit 400.

The suction unit 400 may be accommodated between the case 100 and the chassis 30. The suction unit 400 may be disposed inside the case 100. The suction unit 400 may be disposed above the controller 50.

When the suction unit 400 is driven, the suction force of the suction unit 400 may be applied to the filter (in particular, the pre-filter 340) through the dust box module 390 and the brush unit 380, The dust attached to the filter of the filter assembly 300 may be introduced into the dust box module 390 and temporarily stored in the dust box module 390.

As shown in FIG. 4, the brush unit 380 and the dust box module 390 may be disposed in the filter case 310 and may be drawn out of the air conditioner together with the filter case 310.

In this case, the brush unit 380 and the dust box module 390 may form a part of the filter assembly 300, and the dust box module 390 is connected to or separated from the suction unit 400 to be described later. Can be.

On the other hand, the brush unit 380 and the dust box module 390 may not be disposed in the filter case 310, but may be disposed in the chassis 30 or the case 100. In this case, the brush unit 380 and the dust box module 300 may be kept connected to the suction unit 400, and connected to the filter assembly 30 when the filter assembly 30 is mounted. Can be.

The brush unit 380 and the dust box module 390 need to be cleaned by a user or a service provider, and it is preferable that the withdrawal or mounting thereof is easily arranged.

When the brush unit 380 and the dust box module 390 are disposed in the filter case 310 together with the pre-filter 340 and the electrostatic filter 350, the user or the operator may move the filter assembly 300 to the outside. With a simple drawing operation, the pre-filter 340 and the electrostatic filter 350, the brush unit 380 and the dust box module 390 may be drawn out together, and the pre-filter 340 and the electrostatic filter 350 ) And the brush unit 380 may be cleaned, and the dust box module 390 may be emptied.

5 is a perspective view of the front panel shown in FIG. 1 when it is in a first position, FIG. 6 is a perspective view when the front panel shown in FIG. 1 is in a second position, and FIG. 7 is a front panel shown in FIG. It is a perspective view when it is in this 3rd position.

The driving mechanism 170 (see FIG. 2) may raise or lower the front panel 150 as shown in FIGS. 5 to 7. The driving mechanism 170 may be a front panel lifting mechanism for lifting the front panel 150.

As shown in FIG. 7, the discharge part formed in the case 100 may further include a front discharge part 129. The front discharge part 129 may be formed by opening a part of the front lower portion of the case 100 in the front-rear direction.

The driving mechanism 170 may move the front panel 150 to a plurality of positions.

The plurality of positions may include a first position P1 and a second position P2.

The first position P1 may be a position where the front panel 150 covers the front surface 301 of the filter assembly 300.

The second position P2 may be a position relatively lower than the first position P1. The second position P1 may be a position where the front panel 150 exposes the front surface 301 of the filter assembly 300. The first position P1 and the second position P2 may be positions where the front panel 150 shields the front discharge port 129.

When the front panel 150 is in the first position, as shown in FIG. 5, the front surface 301 and the front discharge port 129 of the filter assembly 300 may be shielded.

When the front panel 150 is in the second position, as shown in FIG. 6, the front surface 301 of the filter assembly 300 may be exposed, but the front discharge port 129 may be shielded. When the front panel 150 is in the second position, an upper end of the front panel 150 may be located at a front lower side of the filter assembly 300, and the filter assembly 300 is the front panel 150 It may be possible to move forward past the top of the.

The user or the air conditioner can move the filter assembly 300 forward when the front panel 150 is positioned at the second position P2, and the user can move the front panel 150 or the case 100 Without separating, the filter assembly 300 can be easily pulled out forward.

The user can conveniently wash the filter assembly 300 drawn out to the front of the receiving body 114 with a washing liquid such as water. After washing the filter assembly 300, the user may insert the filter assembly 300 while being seated in the receiving body 114, and the filter assembly 300 may be inserted into the receiving body 114 to be accommodated. have.

Meanwhile, the plurality of positions may further include a third position P3. The third position P3 may be a position relatively higher than the first position P1. The third position P3 may be a position in which the front panel 150 opens the front discharge port 129, as shown in FIG. 7, and the front panel 150 is positioned at the filter assembly 300. It may be a position that covers the front surface 301. When the front panel 150 is in the third position, air flowing toward the filter assembly 300 may be guided to the rear surface of the front panel 150 and then sucked into the filter assembly 300.

The air conditioner has a downward airflow mode for discharging air conditioned to the lower side of the case 100 through the lower discharge part 126 (see FIG. 1), and the case through the front discharge part 129 (refer to FIG. 6). It is possible to selectively implement a front airflow mode that discharges air conditioned to the front of 100).

When the front panel 150 is at the first position P1 or the second position P2, the air conditioner may discharge air conditioned through the lower discharge unit 126.

When the front panel 150 is in the third position, the air conditioner may discharge air conditioned through the front discharge unit 129 and the lower discharge unit 126.

8 is a plan view of an air conditioner according to an embodiment of the present invention, FIG. 9 is a cross-sectional view taken along line A-A' shown in FIG. 8, and FIG. 10 is a cross-sectional view taken along line B-B' shown in FIG. 11 is a bottom view showing the inside of a dielectric filter according to an embodiment of the present invention, and FIG. 12 is a view showing a filter assembly and a moving mechanism according to an embodiment of the present invention.

The air conditioner may further include a charging module (360 or an ionizing module, see FIGS. 8 and 9).

The charging module 360 may be an ionization module or an ionization module that ionizes foreign substances in air. The charging module 360 may be installed so that foreign substances in the air may be ionized before entering the electrostatic filter 350.

The charging module 360 ionizes foreign substances in air flowing toward the electrostatic filter 350, and may include a discharge electrode 361 for ionizing foreign substances in the air when a high voltage is applied.

The discharge electrode 361 may include a fiber bundle such as carbon fiber or carbon fiber. The discharge electrode 361 may be electrically connected to the high voltage power supply 170 shown in FIG. 2.

The discharge electrode 361 may be embedded in the filter assembly 300 to allow ionized foreign substances to adhere to the electrostatic filter 350. However, when the discharge electrode 361 is disposed inside the filter assembly 300, the filter is determined by the thickness of the discharge electrode 361 and the distance between the discharge electrode 361 and the electrostatic filter 350. The assembly 300 can be thickened. In addition, when the user separates the filter assembly 300 from the chassis 30 or case 100 for cleaning the filter assembly 300, the discharge electrode 361 is electrically connected to the high voltage power supply 170. It must be separated, and when the filter assembly 300 is cleaned, there is a high possibility that the discharge electrode 361 is damaged.

The discharge electrode 361 is preferably disposed to be positioned outside the filter assembly 300, and even when the filter assembly 300 is pulled out to clean the filter assembly 300, the discharge electrode 361 is the filter assembly It is desirable not to withdraw with 300.

The discharge electrode 361 may be positioned on the chassis 30 or the case 100, and for example, may be disposed to face the outside of the air conditioner. In this case, the discharge electrode 361 may ionize foreign substances outside the air conditioner, particularly the air outside the filter assembly 300.

Foreign substances in the air outside the air conditioner may be ionized outside the filter assembly 300, and foreign substances ionized by the discharge electrode 361 are sucked into the filter assembly 300 and pass through the filter assembly 300. It may be collected by the electrostatic filter 350.

On the other hand, the discharge electrode 361 is preferably ionized foreign matter in the air surrounding the filter assembly 300, for this purpose, the discharge electrode 361 may be disposed close to the receiving body 114, As an example, it may face upwards of the receiving body 114.

When the blowing fan 40 is driven, the external air of the air conditioner may flow upwards of the receiving body 114 and the filter assembly 300 and then be sucked into the filter assembly 300, so that the receiving body ( 114) and the foreign matter in the air flowing to the upper side of the filter assembly 300 is preferably ionized by the discharge electrode 361.

The discharge electrode 361 facing the upper side of the receiving body 114 may minimize power loss for ionizing foreign substances in air.

The charging module 360 may further include a module mounter 364 disposed on at least one of the chassis 30 and the case 100.

A space S5 in which the discharge electrode 361 is accommodated may be formed in the module mounter 364. This space S5 may be formed larger than the discharge electrode 361.

It is preferable that the upper end of the discharge electrode 361 is disposed lower than the upper end of the module mounter 364. In this case, the discharge electrode 361 may be protected by the module mounter 364, and safety accidents that may occur when the user touches the discharge electrode 361 or damage to the discharge electrode 361 are minimized. Can be.

A wire through hole 365 through which the wire 362 connected to the discharge electrode 361 passes may be formed in the module mounter 364. The wire 362 may be inserted into the wire through hole 365 to be fixed, and the wire 362 connected to the discharge electrode 361 may extend into the high voltage power supply 180 shown in FIG. 2. .

Meanwhile, a pair of charging modules 360 may be provided to the air conditioner. The pair of charging modules 360A and 360B may be spaced apart in the longitudinal direction Y of the filter assembly 300.

The pair of charging modules 360A and 360B may be symmetrically disposed with the filter assembly 300 interposed therebetween.

When the blowing fan 40 is rotated, foreign substances in the air flowing upward of the filter assembly 300 may be ionized while passing around the discharge electrode 361, and ionized by the discharge electrode 361 Among the foreign substances, foreign substances that have passed through the pre-filter 340 may be absorbed by the electrostatic filter 350 and collected.

Hereinafter, the filter assembly 300 will be described in detail.

A space S3 in which at least one filter is accommodated may be formed inside the filter case 310.

The filter case 310 may be configured to pass air. An outer inlet 312 for sucking external air into the filter case 310 may be formed in the filter case 310. In the filter case 310, an inner outlet 314 which is discharged to allow the air passing through the space S3 of the filter case 310 to flow to the inner space S1 may be formed.

When the filter assembly 300 is inserted into the receiving body 114, the outer inlet 312 may face upward, and the outer inlet 312 may be exposed to the outside of the air conditioner.

When the filter assembly 300 is inserted into the receiving body 114, the inner outlet 314 may face downward, and the inner outlet 314 may face the inside of the air conditioner.

The filter case 310 may be composed of a combination of a plurality of members.

The filter case 310 includes an upper cover 320 having an outer inlet 312 through which external air is sucked; It may include a lower case 330 having an inner outlet 314 through which the air passing through the filter flows to the opening 115.

The upper cover 320 may be detachably coupled to the lower case 330 by hooks such as hooks or fastening members such as screws, and when the upper cover 320 is separated from the lower case 330, the filter The inside of the case 310 may be open.

The upper cover 320 may be an outer cover capable of forming the upper surface of the air conditioner when the filter assembly 300 is mounted on the air conditioner.

When the filter assembly 300 is mounted on the air conditioner, the lower case 330 may be an inner case whose lower surface may face the inside of the air conditioner, particularly the inner space S1.

The pre-filter 340 may include a filter net 342 in which a through hole through which air can pass is formed, as shown in FIG. 10. The pre-filter 340 may include a filter body 344 that supports the filter net 342.

The pre-filter 340 may be accommodated between the electrostatic filter 350 and the upper cover 320.

The electrostatic filter 350 may be a collection module in which foreign substances ionized by the charging module 360 are collected. The electrostatic filter 350 may be accommodated to be positioned after the pre-filter 340 in the air flow direction.

The electrostatic filter 350 may be a dielectric filter in which an electrode is surrounded by a dielectric material, and the electrostatic filter 350 may be washed with a cleaning solution such as water.

The electrostatic filter 350 includes a first filter body 351 surrounding the first electrode 351A by a first fluid 351B; It may include a second filter body 352 surrounding the second electrode 352A with the second dielectric 352B.

The first dielectric 351B and the second dielectric 351B may be a coating member that prevents foreign materials from exposing the first electrode 351A or the second electrode 352A, and the ionized foreign material is the first electrode 351A. It may be an adsorption body adsorbed by an electric field formed between the and the second electrode 352A.

As illustrated in FIG. 11, the first filter body 351 and the second filter body 352 may be disposed to be spaced apart in a direction X orthogonal to the suction direction Z of air. The first filter body 351 and the second filter body 352 may be alternately positioned in a direction X orthogonal to the suction direction Z of air.

An electrode terminal may be disposed on the electrostatic filter 350. A pair of electrode terminals may be provided to the electrostatic filter 350, and the pair of electrode terminals may be a positive terminal 353 and a ground terminal 354, as shown in FIG. 11.

The positive terminal 353 and the ground terminal 354 may be spaced apart in the longitudinal direction Y of the filter assembly 300.

The anode terminal 353 may be electrically connected to the first electrode 351A and may be spaced apart from the second filter body 352.

In the first filter body 351, a part of the first electrode 351A may be connected to the anode terminal 353.

Each of the positive terminal 353 and the ground terminal 354 may be disposed to penetrate the filter frame of the electrostatic filter 350, and some may be located outside the filter frame of the electrostatic filter 350.

The ground terminal 354 may be electrically connected to the second electrode 352A and may be spaced apart from the first filter body 351.

In the second filter body 352, a part of the second electrode 352A may contact the ground terminal 354.

Hereinafter, the common configuration of the positive terminal 353 and the ground terminal 354 will be referred to as electrode terminals 353 and 354, and when it is necessary to distinguish between the positive terminal 353 and the ground terminal 354 In the following, a positive terminal 353 and a ground terminal 354 will be described.

The electrostatic filter 350 may include a filter frame having a space S4 formed therein. The filter frame may be composed of a combination of a plurality of members 356 and 357. This combination 356, 367 may include an upper frame 356 and a lower frame 357, the upper frame 356 and the lower frame 357 can be separated by hooks 358 such as hooks Can be combined together.

The main body 10 may further include a moving mechanism 500 capable of moving the filter assembly 300 in position. The moving mechanism 500 may be a filter assembly advancing and retreating mechanism for advancing and retreating the filter assembly 300.

The moving mechanism 500 may include a drive source such as a motor and at least one power transmission member connected to the drive source. An example of the moving mechanism 500 may include a motor 510 and a pinion 520 rotated by the motor 512.

The motor 510 may be installed in a fixed position inside the air conditioner. The air conditioner may further include a bracket 540 installed on at least one of the chassis 30 and the case 100. The motor 510 may be mounted to the bracket 540 with a fastening member such as a screw.

The pinion 520 may be directly connected to a rotation shaft of the motor 510 or may be connected to a rotation shaft of the motor 510 through a separate intermediate gear.

The moving mechanism 500 may include a rack 530 engaged with the pinion 520. The moving mechanism 500 may include a gear member having a rack 530 formed thereon, and a carrier 542 coupled to the gear member. The filter assembly 300 may be mounted on the carrier 542, and when the carrier 542 moves, the filter assembly 300 may be advanced or retracted together with the carrier 542.

The moving mechanism 500 may be controlled by the controller 50. When the controller 50 controls the motor 510 in the forward mode, the motor 510 may advance the rack 530 by rotating the rotation shaft in one of a clockwise direction and a counterclockwise direction, The filter assembly 300 may move forward along with the carrier 542 to the front of the receiving body 114 while being mounted on the carrier 542.

The controller 50 advances to the motor 510 when a user inputs a drawing command (or filter cleaning command) of the filter assembly 300 through an input unit such as a remote control, or when the air conditioner is a filter assembly drawing condition. The signal of the mode can be transmitted.

When the controller 50 controls the motor 510 in the retreat mode, the motor 510 rotates the rotation shaft in a direction opposite to the forward mode to retreat the rack 530, and the filter assembly ( The 300 may be retracted together with the carrier 542 while being mounted on the carrier 542 and may be inserted deeply into the receiving body 114.

The air conditioner may include a sensing unit 550 capable of sensing the position of the filter assembly 300.

The air conditioner may further include a magnet 560 installed on the filter case 310 and a magnet sensor 570 installed on the moving mechanism 500 to sense the magnet 560. The magnet 560 and the magnet sensor 570 may constitute the sensing unit 550.

The filter assembly 300, in particular, the lower case 330 may be provided with a magnet mounting portion 337 (refer to FIG. 10) in which the magnet 560 is seated and received, and the magnet 560 is a magnet mounting portion 337 It is mounted on and may be advanced or retracted together with the filter assembly 300.

The magnet sensor 570 may be installed on the moving mechanism 500, in particular, the carrier 542. A magnet sensor accommodating part 544 into which the magnet sensor 570 is inserted and received may be formed in the carrier 542.

The magnet sensor 570 may sense the magnet 560 when the filter assembly 300 is placed on the carrier 542, and the controller 50 may sense the magnet 560 by the magnet sensor 570. When 560 is sensed, the motor 510 may be controlled in a retreat mode, and the filter assembly 300 may be retracted into the receiving body 114 and accommodated in the receiving body 114.

FIG. 13 is a plan view when the filter assembly shown in FIG. 8 is pulled forward, and FIG. 14 is a perspective view when the filter assembly shown in FIG. 8 is pulled forward.

The receiving body 114 may be configured such that the filter assembly 300 is inserted and received. Each of the upper surface of the receiving body 114 and the front surface of the receiving body 114 may be opened.

The receiving body 114 may have a three-dimensional shape, and an upper space S2 in which the filter assembly 300 is accommodated may be formed inside the receiving body 114.

An opening 115 communicating with each of the upper space S2 and the inner space S1 may be formed under the receiving body 114.

The receiving body 114 is spaced apart in the left and right direction, and a pair of side bodies 116 and 117 facing the side surfaces 302 and 303 of the filter case 310, and the pair of side bodies 116 It may include a rear body 118 facing the rear surface 304 of the filter case 310 connected to 117.

Each of the pair of side bodies 116 and 117 and the rear body 118 may have a predetermined length in the vertical direction (Z), and such a pair of side bodies 116 and 117 and the rear body Each length may be longer than or equal to the thickness of the filter assembly 300 (ie, the length of the filter assembly 300 in the vertical direction).

The receiving body 114 may further include a first body 119 on which the filter assembly 300 is mounted, and the first body 119 may be formed under the pair of side bodies 116 and 117. I can.

The first body 119 may have a step with an upper end of each of the pair of side bodies 116 and 117 and the rear body 118.

The pair of side bodies 116 and 117 and the first body 119 may have a width in the front-rear direction (X), and this width is greater than the width of the filter assembly 300 in the front-rear direction (X). Can be long or the same.

The receiving body 114 may be formed in the case 100, and the filter case 310 of the filter assembly 300 may be inserted and accommodated in the receiving body 114.

When the filter assembly 300 is accommodated in the receiving body 114, the upper surface 305 of the filter assembly 300 may coincide with the upper surface 113 of the air conditioner, and the filter assembly ( The front surface 301 of 300) may match the front surface of the case 100.

Supply terminals 121 and 122 to which the electrode terminals 353 and 354 are in contact may be disposed on the receiving body 114.

The supply terminals 121 and 122 may be fixed terminals fixed to the chassis 30 or case 100. The supply terminals 121 and 122 may correspond 1:1 to the electrode terminals 353 and 354. The supply terminals 121 and 122 may include a positive fixed terminal 121 to which the positive terminal 353 is contacted or separated, and a ground fixed terminal 122 to which the ground terminal 354 is contacted or separated. have.

The positive fixed terminal 121 and the ground fixed terminal 122 may be disposed to be spaced apart in the longitudinal direction Y of the filter assembly 300. Hereinafter, for a common configuration, the supply terminals 121 and 122 ), and if necessary, a positive fixed terminal 121 and a ground fixed terminal 122 will be described.

The positive fixed terminal 121 may be connected to the high voltage power supply 180 shown in FIG. 2, and a wire or bus bar connected to the positive fixed terminal 121 may be extended to the high voltage power supply 180. .

The ground fixed terminal 122 may be connected to the high voltage power supply 180 shown in FIG. 2, like the positive fixed terminal 121, and the wire or bus bar connected to the ground fixed terminal 122 is It may be extended to the power supply 180.

In the filter case 310, a terminal hole 338 (refer to FIG. 15) through which at least one of the electrode terminals 353, 354 and the supply terminals 121, 122 penetrates may be formed. For example, a terminal The hole 338 may be formed in the lower case 330.

15 is a perspective view showing the inside of a filter assembly according to an embodiment of the present invention, FIG. 16 is a bottom view when the dust box module is separated from the filter case according to the embodiment of the present invention, and FIG. 17 is the present invention Fig. 18 is an exploded perspective view of a filter assembly according to an embodiment of the present invention, and Fig. 18 is a bottom view of a pre-filter according to an embodiment of the present invention, and Fig. 19 is an enlarged cross-sectional view when the filter assembly according to the embodiment of the present invention is connected to a suction unit And FIG. 20 is a cross-sectional view taken along line C-C' shown in FIG. 8.

The filter case 310 may have a substantially hexahedral shape, and may be elongated in the left and right direction (Y).

The air conditioner may include a roller 370 rotatably disposed inside the filter case 310. As shown in FIG. 19, the roller 370 may be disposed inside the filter case 310 to be spaced apart from the electrostatic filter 350. The roller 370 may be disposed on the filter case 310 to be positioned next to the electrostatic filter 350.

The roller 370 may have a driving gear for moving the pre-filter 340. The driving gear may include a pair of pinions 372 and 374. The pair of pinions 372 and 374 may be spaced apart in a direction X perpendicular to each of the air flow direction Z and the length direction Y of the pre-filter 340.

The roller 370 may include a rotation shaft 376 connecting the pair of pinions 372 and 374. The pair of pinions 372 and 374 and the rotation shaft 376 may be rotated integrally.

The pre-filter 340 may be provided with a driven gear engaged with the driving gear of the roller 370. As shown in FIG. 18, the driven gear may be a pair of racks 346 and 348 formed on the pre-filter 340.

The pair of racks 346 and 348 may be engaged with the pair of pinions 372 and 374 constituting the driving gear. The pair of racks 346 and 348 may be integrally formed with the filter body 344. The pair of racks 346 and 348 may be formed to protrude from the bottom surface of the filter body 344. Each of the pair of racks 346 and 348 is formed to be elongated in the longitudinal direction Y of the pre-filter 340 and is perpendicular to the longitudinal direction Y of the pre-filters 346 and 348 (X ) Can be separated.

The pre-filter 340 may be moved inside the filter case 310 along the outer circumference of the roller 370 as shown in FIGS. 21 and 22 when the roller 370 rotates. .

The pre-filter 340 may be a flexible filter that can be bent.

A portion of the pre-filter 340 connected to the roller 370 may be bent in an arc shape along the outer circumference of the roller 370, and not connected to the roller 370 among the pre-filter 340 The portion may be unfolded in a substantially flat shape along the length direction of the filter case 310.

As shown in FIG. 21, the pre-filter 340 may filter foreign substances such as dust from the inside of the filter case 310, and foreign substances such as dust filtered by the pre-filter 340 may be removed from the pre-filter ( As illustrated in FIG. 22, while 340 is moved along the outer circumference of the roller 370, it may be separated from the inside of the filter case 310.

It is preferable that the driving gear of the pre-filter 340 is kept engaged with the roller 370 regardless of the position of the pre-filter 340, and the electrostatic filter 350 is located next to the roller 370. It may be disposed to be spaced apart from the roller 370.

The length L6 of the pre-filter 340 may be longer than the length L7 of the electrostatic filter 350, and a partial region of the pre-filter 340 includes the electrostatic filter 350 and the roller 370 You can face between. The pre-filter 340 may minimize foreign substances such as dust from flowing into the gap between the electrostatic filter 350 and the roller 370.

Meanwhile, the air conditioner may include a roller rotating mechanism for rotating the roller 370. The roller rotating mechanism may be mounted on the filter assembly 300 or mounted on the main body 10.

The roller rotating mechanism may be mounted on the chassis 30 or the case 100, and the roller rotating mechanism may be separated from the filter assembly 300 when the filter assembly 300 is withdrawn. That is, when the roller rotating mechanism is mounted on the chassis 30 or the case 100, the roller 370 may be detachably connected to the roller rotating mechanism.

When the filter assembly 300 is mounted, the roller 370 may be connected to and connected to the roller rotating mechanism, and when the filter assembly 300 is withdrawn, the roller may be separated from the roller rotating mechanism. The entire filter assembly 300 can be easily cleaned with a washing liquid such as water.

The roller rotation mechanism includes a connector 377 detachably connected to the roller 370, in particular, any one 372 of a pair of pinions 372 and 374, and a roller rotating the connector 377. It may include a motor 378.

The roller rotation motor 378 may include a rotation shaft connected to the connector 377.

The brush unit 380 may be disposed on the filter case 310. When the roller 370 rotates, the pre-filter 340 may contact the brush unit 380.

A brush unit accommodating part 349 into which the brush unit 380 is inserted may be formed in the filter case 310. The brush unit accommodating part 349 may be formed in at least one of the upper cover 320 and the lower case 330. The brush unit 380 may be inserted into the brush unit accommodating part 349.

The filter case 310 may include a dust box module space S7 in which the dust box module 390 is inserted and accommodated, and a filter space S8 in which a filter is accommodated.

The brush unit accommodating part 349 may divide the inside of the filter case 310 into a dust box module space S7 and a filter space S8 in which the filter is accommodated.

The brush unit 380 may be inserted into the dust box module receiving space S7 and then inserted into the brush unit receiving part 349 from the dust box module receiving space S7.

When the brush unit 380 is disposed on the filter case 310, it may be disposed on the filter case 310 to be positioned next to the roller 370, and the brush unit 380 is shown in FIG. As described above, it may be disposed between the roller 370 and the dust box module 390.

The brush unit 380 may contact a portion of the pre-filter 340 bent in an arc shape along the roller 370.

The brush unit 380 includes a brush body 382 inserted and disposed in the brush unit accommodating portion 349, and a brush hair 384 formed in the brush body 382 to contact the pre-filter 340 It may include.

A dust passage 381 through which air and dust can pass may be formed in the brush body 382. The dust passage 381 may face the roller 370, and the dust separated at a portion of the pre-filter 340 located between the roller 370 and the brush body 382 is the dust passage ( It may be sucked into the dust box module 390 through 381.

The brush bristle 384 may be formed on a surface of the brush body 382 facing the roller 370, and may be in contact with a portion of the pre-filter 340 bent along the roller 370.

The dust box module 390 may be disposed on the filter case 310. The dust box module 390 may be disposed next to the brush unit accommodating part 349 and may be connected to the brush unit 380.

The length L4 of the upper cover 320 may be longer than the length L5 of the lower case 330 as shown in FIG. 16. A dust box module accommodation space S7 in which the dust box module 390 is accommodated may be formed between the lower case 330 and the upper cover 320.

When the brush unit accommodating portion 349 is formed in the lower case 330, the upper cover 320 may include a side wall 329 spaced apart from the brush unit accommodating portion 349. One side wall of the upper cover 320 may face the brush unit accommodating part 349 in a horizontal direction.

The dust box module accommodation space S7 may be defined as an empty space formed between the brush unit accommodation part 349 and one side wall 329 of the upper cover 320.

The dust box module 390 may be provided with a dust collecting space S6 in which dust separated from the filter, in particular, the pre-filter 340 is accommodated. The dust box module 390 may include a dust box 393.

A dust collecting space S6 in which dust accumulates may be formed in the dust box 393. The dust box 390 may be provided with an inlet portion 391 through which air and dust are introduced into the dust collecting space S6. The dust box 390 may be provided with an outlet portion 392 through which air separated from dust passes to flow out of the dust collecting space S6.

The dust box 393 may be composed of a combination of a plurality of members capable of opening and closing the inside. The dust box 393 may include a first body 394 and a second body 395 connected to the first body 394. A dust collecting space S6 in which dust is accommodated may be formed between the first body 394 and the second body 395.

The dust box module 390 may be detachably coupled to the filter case 310, and may be extracted from the receiving body 114 or inserted into the receiving body 114 together with the filter case 310. have.

A hook portion supported by the filter case 310 may be formed in the dust box 393. The dust box 393 is formed by a magnet disposed in one of the dust box 393 and the filter case 310 and a paramagnetic or ferromagnetic material disposed in the other of the dust box 393 and filter case 310. It is also possible to be detachably connected to the filter case 310. The dust box 393 is the filter case by a hook disposed in one of the dust box 393 and the filter case 310 and a hook hanger disposed in the other of the dust box 393 and the filter case 310. It is also possible to connect detachably to (310).

The dust box module 390 may further include a dust filter 396 accommodated in the dust collecting space S6. The dust filter 396 may be a dust collection filter through which dust moved from the pre-filter 340 is filtered, but air can pass therethrough.

The dust box module 390 may further include an inner shutter 397. The inner shutter 397 may open and close the inlet 391 inside the dust box 393. The inner shutter 397 may be rotatably connected to the inside of the dust box 393.

In the inner shutter 397, when the air in the dust collecting space S6 is sucked into the section unit 400 and the pressure in the dust collecting space S6 is lower than the pressure of the dust passage 381, the dust passage ( 381 and the pressure difference between the dust collecting space (S6) can be rotated upward, and the inlet portion 391 can be opened.

When the suction unit 400 is turned off and the pressure of the dust passage 381 and the pressure of the dust collecting space S6 become uniform, the inner shutter 397 moves downward by the weight of the inner shutter 397. It may be rotated to contact the periphery of the inlet 391 and shield the inlet 391.

As shown in FIG. 19 in the retreat mode, the moving mechanism 500 is positioned at a position in which the dust collecting space S6 of the dust box module 390 communicates with the inlet flow path 462 formed in the suction unit 400. The filter case 310 can be moved.

FIG. 21 is an enlarged cross-sectional view illustrating a pre-filter, rollers, and brushes when the pre-filter according to an exemplary embodiment of the present invention is not cleaned, and FIG. 22 is a cross-sectional view illustrating the pre-filter shown in FIG.

A guide for guiding the movement of the pre-filter 340 may be formed in the filter case 310.

The guide may include a filter guide 334 for guiding the pre-filter 340 to move along the outer circumference of the roller 370 when the roller 370 is rotated.

A guide surface 335 to which the pre-filter 340 contacts may be formed on the filter guide 334. The filter guide 334 may be disposed on the filter case 310, and the filter assembly 300 may further include the filter guide 334.

The filter guide 334 may have a shape surrounding an outer circumferential surface of the roller 370, and the guide surface 335 is an inner surface of the filter guide 334 facing the outer circumferential surface of the roller 370. It can be defined as the circumferential surface.

At least a portion of the filter guide 334 may have an arc shape. A radius of the arc-shaped portion of the filter guide 334 may be larger than a radius of the roller 370.

The filter guide 334 includes a first guide 336 and a second guide 337, and the first guide 336 and the second guide 337 spaced apart at intervals greater than the diameter of the roller 370. It may include a connecting third guide 339.

The guide may further include a guide body 324 guiding the pre-filter 340 to be moved after the electrostatic filter 350 in the air flow direction.

The guide body 324 may guide the pre-filter 340 to move between the electrostatic filter 350 and the lower case 330.

The guide body 324 may be integrally formed with the filter case 310. The guide body 323 may be formed to protrude from the inner surface of the filter case 310 or may be formed under the lower case 330. The guide body 323 may be a part of the lower plate of the lower case 330.

The guide body 324 may guide a portion of the pre-filter 340 that is moved along the outer circumference of the roller 370 to be moved between the electrostatic filter 350 and the lower case 330.

In the air conditioner as described above, for reliability and cleaning performance of filter cleaning, it is preferable that a high-performance suction unit 400 having a large suction power is installed, and in such a suction unit 400, the vibration generated in the case 100 is It is desirable to be configured to minimize the transmission to the dust box module 390.

Hereinafter, the suction unit 400 will be described in detail.

23 is a perspective view of a suction unit according to an embodiment of the present invention, FIG. 24 is a perspective view when a dust box module is connected to the suction unit shown in FIG. 23, and FIG. 25 is a suction unit according to an embodiment of the present invention. It is a cross-sectional view.

The suction unit 400 may include a suction housing 410 and a fan motor 420.

The suction housing 410 may form the exterior of the suction unit 400.

An opening 411 may be formed at one side of the suction housing 410. A fan motor accommodation space S9 may be formed inside the suction housing 410. The suction housing 410 may protect the fan motor 420 accommodated in the fan motor accommodating space S9. An exhaust hole 413 may be formed on the other side of the suction housing 410.

The suction housing 410 may have the opening 411 formed at an upper portion and the exhaust hole 413 at the lower portion of the suction housing 410.

The opening 411 is preferably located close to the dust box module 390, and when the dust box module 390 is connected to the suction unit 400 from the upper side of the suction unit 400, The opening 411 is preferably formed above the suction housing 410, and may be formed to be open in a vertical direction.

The exhaust hole 413 may be a hole through which the air blown from the fan motor 420 is exhausted to the outside of the suction housing 410. A plurality of exhaust holes 413 may be formed in the suction housing 410.

The exhaust hole 413 is preferably positioned to be spaced apart from the pre-filter 340 and the dust box module 390 as much as possible, and the dust box module 390 is positioned above the suction unit 400. When connected to 400, the exhaust hole 413 is preferably formed in the lower portion of the suction housing 410, and is preferably formed to exhaust air in a downward direction.

The suction housing 410 may be coupled to the body 10 and may be coupled to at least one of the chassis 30 and the case 100.

The suction housing 410 may be configured to surround the outer surface of the fan motor 420 and may be configured as a combination of a plurality of housing bodies 414 and 415 so that the fan motor 420 may be embedded.

The suction housing 410 may include a first housing body 414 and a second housing body 415 coupled to the first housing body.

The fan motor accommodation space S9 may be formed between the first housing body 414 and the second housing body 415. The first housing body 414 and the second housing body 415 may be fastened with a fastening member such as a screw.

The opening 411 may be formed between the first housing 414 and the second housing 415.

The exhaust hole 413 may be formed in each of the first housing 414 and the second housing 415.

The fan motor 420 may be accommodated in the fan motor accommodation space S9. The fan motor 420 may be connected to the section housing 410 and supported by the suction housing 410.

The fan motor 420 may include a motor 420, an impeller 440, and an impeller housing 450.

In the motor 420, a stator 432 and a rotor 433 may be accommodated in the motor housing 431, and a rotation shaft 434 may be connected to the rotor 433.

The rotation shaft 434 may pass through the motor housing 432, and a part of the rotation shaft 434 may extend into the impeller housing 450.

The impeller 440 may be connected to the rotation shaft 434, and may be connected to a portion of the rotation shaft 434 extending to the impeller housing 450. When the motor 420 is driven, the impeller 440 may rotate together with the rotation shaft 434.

The fan motor may include a centrifugal fan or a four-flow fan, and the impeller 440 may suck air in an axial direction and blow it in a centrifugal direction or blow it in a downward oblique direction. Air on the upper side of the impeller 440 may be sucked and blown in a horizontal direction or in a downward inclined direction.

The impeller 440 may include a hub connected to the rotation shaft 434 and a plurality of blades formed on an outer surface of the hub.

The impeller housing 450 may be disposed to surround the outer circumference of the impeller 440. The impeller housing 450 may be coupled to the motor housing 431. The impeller housing 450 may be coupled to an upper portion of the motor housing 421.

The fan motor 420 may have a discharge port formed in the impeller housing 450, and a discharge port may be formed in the motor housing 431, and the impeller housing 450 and the motor housing 432 It is possible that a discharge port is formed between.

The motor 420 constituting the fan motor 420 may be configured as a high-speed motor capable of rotating the rotating shaft 434 at a high speed of tens of thousands of RPM or more, and the fan motor 420 is the dust box module 390 It is preferable that the air leakage between the and the impeller housing 450 is minimized.

Meanwhile, when the motor 420 is driven, the vibration of the fan motor 420 may be large, and such vibration may be transmitted to the impeller housing 450 or the dust box module 390, and the impeller housing 450 ) Is preferably not in direct contact with the dust box module 390.

The fan motor 420 may be connected to the suction housing 410 by at least one anti-vibration member. In addition, the impeller housing 450 is preferably connected to the dust box module 390 by such a vibration isolating member.

When the fan motor 420 includes a vibration isolating member, the vibration generated by the fan motor 420 may be absorbed by the vibration isolating member, and the vibration transmitted to the section housing 410 and the dust box module Vibration transmitted to 390 can be minimized.

To this end, the fan motor 420 may include a first anti-vibration member 460 disposed between the impeller housing 450 and the opening 431.

An inlet flow path 462 for guiding air to the impeller 440 may be formed inside the first vibration isolating member 460. The inlet flow path 462 may be formed to be opened substantially in the vertical direction inside the first vibration isolating member 460.

The inlet passage 462 may be a vacuum forming passage communicating with the dust collecting space S6 to form a vacuum in the dust collecting space S6.

The first vibration isolating member 460 may include a first fitting portion 464 that is fitted into the opening 411 while surrounding the opening 411.

The first fitting portion 464 may be an upper fitting portion formed on the first vibration isolating member 460, and may be a suction housing fitting portion fitted with the suction housing 410.

An upper end of the first fitting part 464 may be an upper end of the first vibration isolating member 460. When the dust box module 390 is accommodated in the receiving body 114, the upper end of the first fitting part 464 is the bottom surface of the dust box module 390, particularly, the outlet of the dust box module 390 It may be a contact end contacting the periphery of the part 392.

The first vibration isolating member 460 may further include a second fitting portion 466 inserted into and fitted into the impeller housing 450.

The second fitting portion 466 may be a lower fitting portion formed under the first vibration-isolating member 460, and may be an impeller housing fitting portion fitted with the impeller housing 450.

The first vibration isolating member 460 may have a three-dimensional shape having a predetermined height, and the second fitting portion 466 may be bent in a horizontal direction or lifted in a vertical direction with respect to the first fitting portion 464. It may be formed of a material, and may be formed of an elastic material such as a rubber material.

The first vibration isolating member 460 may function as an air guide for guiding air to the impeller housing 450, and the inlet flow path 462 communicates with the dust collection space S6 to form the dust collection space S6. It may be a vacuum forming passage for forming a vacuum.

Vibration of the motor 420 may be transmitted to the motor housing 431, and the fan motor 420 may be supported by the suction housing 410 by a separate vibration-isolating member. desirable.

To this end, the fan motor 420 may further include a second vibration isolating member 470 disposed between the suction housing 410 and the motor 420.

The second vibration isolating member 470 may be formed of a material capable of absorbing vibration transmitted from the motor housing 431, for example, an elastic material such as rubber.

A hollow body 417 in which the second vibration isolating member 470 is accommodated may be formed on a lower plate 416 of the section housing 410.

The hollow body 417 may have a hollow cylindrical shape when the first housing body 414 and the second housing body 414 are combined.

The second vibration isolating member 470 may be formed in a shape surrounding the outer surface of the motor housing 431 of the motor 420 and may be accommodated in the hollow body 417.

The suction unit 400 may further include a wire connected to the motor 420, and the wire may pass through the section housing 410 and be connected to the motor 420.

26 is a bottom view of a suction unit according to an embodiment of the present invention.

In the suction unit 400 of this embodiment, an exhaust hole 413 through which air is exhausted to the outside of the suction housing 410 and a wire through hole 418 through which the wire connected to the motor 420 passes. Can be formed together.

The exhaust hole 413 and the wire through hole 418 may be formed together in the lower plate 418 of the suction housing 410.

The exhaust hole 413 and the wire through hole 418 may be formed around the hollow body 417, and the wire through hole 418 is spaced apart from the exhaust hole 413 around the exhaust hole 413 Can be formed.

The exhaust hole 413 may be formed as a circular hole.

The wire through hole 414 may be formed as a polygonal hole such as a square so that a manufacturer or service provider can easily distinguish the exhaust hole 413 from the wire through hole 414. The wire through-hole 414 may be formed between the first housing body 414 and the second housing body 415.

27 is a rear view when a suction unit according to an embodiment of the present invention is fastened to a case, and FIG. 28 is a plan view showing a first vibration isolating member and a receiving body according to an embodiment of the present invention.

The suction housing 410 may be accommodated in an inner space S1 inside the case 100.

A case fastening part 418 fastened to the case 100 may be formed in the suction housing 410. A plurality of case fastening parts 418 may be formed on the suction housing 410.

The suction housing 410 may be coupled to be positioned under the receiving body 114, and the section housing 410 may be disposed under the receiving body 114.

As illustrated in FIG. 28, a through hole 114 ′ in which a part of the first vibration isolating member 460 is inserted and accommodated may be formed in the receiving body 114.

The through hole 114 ′ may be formed to be opened in a vertical direction at a position spaced apart from the opening 115 (refer to FIG. 14) through which air passing through the filter assembly 300 is introduced into the inner space S1. have.

The suction unit 400 may further include an inlet grill 468 formed inside the first vibration isolating member 460. When the dust box module 390 is not accommodated in the receiving body 114 and is moved to the outside of the case 100 together with the filter case 310, the air conditioner is The inside of the inlet passage 462 may be exposed, and the inlet grill 468 may be disposed inside the first vibration isolating member 460 to protect the inside of the fan motor 420. The inlet grill 468 may have a lattice shape. The inlet grill 468 may be manufactured separately from the first vibration isolating member 460 and then coupled to the inner surface of the first vibration isolating member 460 by an adhesive member or the like, and the first vibration isolating member 460 and It is also possible to be formed integrally.

The above description is merely illustrative of the technical idea of the present invention, and those of ordinary skill in the art to which the present invention pertains will be able to make various modifications and variations without departing from the essential characteristics of the present invention.

Accordingly, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention, but to explain the technical idea, and the scope of the technical idea of the present invention is not limited by these embodiments.

The scope of protection of the present invention should be interpreted by the following claims, and all technical ideas within the scope equivalent thereto should be interpreted as being included in the scope of the present invention.

390: dust box module, 400: suction unit
410: suction housing 411: opening
413: exhaust hole 420: motor
431: motor housing 432: stator
433: rotor 434: rotation shaft
440: impeller 450: impeller housing
460: first vibration isolating member 470: second vibration isolating member
S6: Dust collection space S9: Fan motor accommodation space

Claims (10)

filter;
A dust box module having a dust collecting space in which dust separated from the filter is accommodated; And
And a suction unit communicating with the dust collection space and suctioning and exhausting air in the dust collection space,
The suction unit is
A suction housing with an opening on one side, a fan motor accommodation space, and an exhaust hole on the other side, and
And a fan motor accommodated in the fan motor accommodation space and coupled to the suction housing,
The fan motor
A motor in which a rotor and a stator are accommodated in the motor housing and a rotation shaft is connected to the rotor;
An impeller connected to the rotating shaft;
An impeller housing surrounding an outer circumference of the impeller; And
A first vibration isolating member disposed between the impeller housing and the opening and having an inlet flow path for guiding air to the impeller therein,
The first vibration isolating member
A first fitting portion that is fitted into the opening while surrounding the periphery of the opening,
An air conditioner comprising a second fitting portion fitted to the impeller housing. The method of claim 1,
The dust box module is provided with an outlet through which air passes to flow out of the dust collection space,
The first vibration isolating member is an air conditioner comprising a contact end contacting the periphery of the outlet. The method of claim 1,
A filter case in which a filter space in which the filter is accommodated and a dust box module space in which the dust box module is accommodated are formed;
A case in which an accommodation body in which the filter case is accommodated is formed and an inner space is formed therein; And
An air conditioner further comprising a blower fan accommodated in the inner space. The method of claim 3,
An air conditioner further comprising a moving mechanism for moving the filter case to a position in which the dust collecting space communicates with the inlet flow path. The method of claim 3,
The suction housing is an air conditioner disposed under the receiving body. . The method of claim 3,
The suction housing is accommodated in the inner space,
An air conditioner having a case fastening part fastened to the case in the suction housing. The method of claim 1,
The suction housing is
The opening is formed at the top,
An air conditioner having the exhaust hole formed in the lower portion. The method of claim 1,
Further comprising a wire connected to the motor,
The suction housing is an air conditioner in which a wire through hole through which the wire passes is formed around the exhaust hole. The method of claim 1,
The fan motor further comprises a second vibration isolating member disposed between the suction housing and the motor. The method of claim 9,
The suction housing has a hollow body in which the second vibration isolating member is accommodated on a lower plate,
The exhaust hole is an air conditioner formed around the hollow body.

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