KR102334042B1 - Air Conditioner - Google Patents

Abstract

The present invention relates to an air conditioner.
The air conditioner according to the present invention includes a case having a suction chamber in which air is introduced from the outside, and an exhaust chamber in which air is discharged to the inside, and is disposed inside the case, and air flows from the suction chamber to the discharge chamber. A blowing fan forming a flow, a blowing fan housing covering at least one surface of the blowing fan, a blowing fan motor rotating the blowing fan, is disposed below the blowing fan motor, the blowing fan from the blowing fan housing and a support for supporting the motor, and a support bracket fixed to the blower fan housing and fastened to the support.

Description

Air Conditioner {Air Conditioner}

The present invention relates to an air conditioner, and more particularly, to an air handling unit that heat-exchanges indoor air or air in which indoor air is mixed with outdoor air and supplies it to a room.

Among large-capacity air conditioners, those configured to give the user an optimal feeling of air conditioning by exchanging air from the outside of the indoor space to the target load according to the temperature, humidity, and cleanliness condition of the target space and flowing it into the room are referred to as 'air handling'. An Air Handling Unit may be used.

The air handling unit is installed in a machine room provided in a relatively large space of a building, and serves as an air conditioning function for the entire building. There is a problem in that the size of a blower fan for the flow of air conditioning air and a fan motor driving the same become very large.

Such an increase in the size of the blowing fan and the fan motor has a problem in that excessive power required for the operation of the blowing fan is required, or excessive vibration or noise may occur.

In the case of an air conditioner used as an air handling unit, in order to effectively form air flow by the blowing fan disposed therein, a separate blower fan housing is disposed inside the chamber where the blower fan is disposed, By allowing the flow to be made through the blower fan housing, the size of the blower fan can be reduced.

However, in order to operate the blower fan disposed inside the blower fan housing, it is necessary to stably fix the blower fan and the blower motor. In Korean Patent Application No. KR10-2009-0096665, in order to stably fix a blower motor disposed inside the blower fan housing, separate supports are disposed above and below the blower fan housing.

However, in the above structure, since four supports are disposed at the outlet of the blower fan housing, there is a problem in that the flow resistance of the air discharged from the blower fan housing is increased.

An object of the present invention is to provide an air conditioner capable of minimizing flow resistance of air discharged from a blower fan housing by a blower fan.

Another object of the present invention is to provide an air conditioner in which a blower fan and a blower motor can be stably disposed inside a blower fan housing while minimizing the flow resistance of air flowing by the blower fan.

The problems of the present invention are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, an air conditioner according to an embodiment of the present invention includes a case having a suction chamber in which air is introduced from the outside and an exhaust chamber in which air is discharged to the inside, and is disposed inside the case, a blowing fan for forming an air flow from the suction chamber to the exhaust chamber; a blowing fan housing covering at least one surface of the blowing fan; a blowing fan motor rotating the blowing fan; and a support for supporting the blowing fan motor from the blowing fan housing, and a support bracket fixed to the blowing fan housing and fastened to the support, the blowing fan is stably supported inside the blowing fan housing. In addition, the support is disposed only under the blowing fan, so that resistance of air flowing by the blowing fan can be minimized.

The blowing fan housing includes a plurality of peripheral plates formed along the circumference of the blowing fan, and the bracket is fixedly disposed in the inner space of the peripheral plate, so that the blowing fan can be stably fixed to the blowing fan housing have.

The support is formed to extend to the lower side of the blower fan motor, and the lower end is fixed to the bracket to minimize the flow resistance of air discharged from the blower fan.

The support includes a motor fastening surface fastened to the blower fan motor at a lower side of the blower fan motor, a pair of extension surfaces bent downward from both ends of the motor fastening surface and extending in the downward direction, and the pair of extensions It is bent at each end of the surface, and includes a panel fastening surface fastened to the blower fan housing.

A rigid reinforcing rib that is bent and extended in the downward direction is disposed at the front-rear end of the motor fastening surface, so that the support can stably support the blower motor.

Each of the pair of extension surfaces has an inclination angle of 5 degrees to 30 degrees with an imaginary vertical line formed perpendicular to the ground, so that the support supports the blower motor and minimizes air resistance flowing by the blower fan. have.

The blower fan housing includes a plurality of housing panels forming an external appearance, a plurality of housing frames disposed between the plurality of housing panels and vertically connecting the plurality of housing panels, and a plurality of housing frames vertically connecting the plurality of housing frames. It includes a housing connector for connecting.

The blower fan has a blower fan inlet through which air is sucked in a direction in which a rotating shaft is formed, and a blower fan outlet through which air is discharged in a radial direction perpendicular to the rotating shaft is formed, and in the blowing fan housing, in one direction A housing inlet is formed, and a housing outlet is formed in a direction opposite to the direction in which the housing inlet is formed, and the housing panel is disposed in a direction in which the blower fan inlet of the blower fan is formed, except for the blower fan inlet. The housing partition wall covering the portion and the circumferential plate disposed in the direction in which the blower fan outlet is formed, the air discharged from the blowing fan may flow to the housing outlet through the circumferential plate.

The circumferential plate includes a bottom surface disposed below the blowing fan, an upper surface disposed above the blowing fan, and both sides connecting both ends of the bottom surface and the upper surface, respectively, the support bracket comprises: , is disposed on the bottom surface, it is possible to support the blower motor disposed upward.

The bottom surface includes a lower cover having a space therein and opened upward, and an upper cover covering the opened upper side of the lower cover, and the support bracket includes a space formed inside the lower cover and the upper cover. is disposed, the support bracket may be fixedly arranged on the inside of the bottom surface.

The bottom surface has thermal insulation performance, and includes a foam panel disposed in a space formed inside the lower cover and the upper cover, maintaining airtightness of the air flowing inside the blower fan housing, and reducing noise. .

The support bracket may be disposed to contact the upper cover and the lower cover of the bottom surface, so that the blower motor and the blower fan may be stably fixed inside the blower fan housing.

The support bracket includes an upper surface of the bracket in contact with the upper cover, a bracket extension surface bent downward from both ends of the upper surface of the bracket, and a bracket end bent from the bracket extension surface and contacting the lower cover. and a lower surface, and the upper surface of the bracket is fastened to the upper cover by a fastening member.

The fastening member for fastening the upper surface of the bracket and the upper cover may also be fastened to the support, so that the support is fixed to the blower fan housing and at the same time fixed to the support bracket.

The end surface of the bracket is coupled to the lower cover by welding.

A length in which the support bracket is formed in the front-rear direction is longer than a length in which the support is formed in the front-rear direction, so that the load of the blower motor acting on the support can be distributed to the support bracket and the blower fan housing.

A length in which the support bracket is formed in the front-rear direction may be formed to be twice or more than a length in which the support is formed in the front-rear direction.

A blow chamber disposed between the suction chamber and the discharge chamber and disposed in the blower fan housing is formed inside the case, and inside the blow chamber, a spacer frame for spacing the blower fan housing upwards from the case; , a fixing bracket for fixing the blower fan housing to the upper side of the spaced frame is disposed, so that the blower fan housing is spaced apart from the lower surface of the blower chamber by a predetermined distance.

A guide part for guiding the air introduced into the blowing chamber into the blowing fan housing is disposed in the blowing chamber, and the guide part has a cross-sectional size of a flow path through which the air flows in a direction in which the blowing fan housing is arranged. formed, the air flowing from the blowing chamber to the blowing fan housing may be concentrated to the blowing fan housing.

The details of other embodiments are included in the detailed description and drawings.

According to the air conditioner of the present invention, there are one or more of the following effects.

First, the support for supporting the blower motor is disposed below the blower motor, and the flow resistance of air discharged to the housing outlet of the blower fan housing is minimized, thereby securing the performance of the air conditioner.

Second, the support for supporting the blower motor is fixed to a support bracket disposed on the bottom surface of the blower fan housing, and the support bracket is fixed in the vertical direction from the inside of the bottom surface to stably support the blower motor and the blower fan. There are also possible advantages.

Effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

1 is a perspective view of an air conditioner according to an embodiment of the present invention.
2 is a cross-sectional view of an air conditioner according to an embodiment of the present invention.
3 is a perspective view of a blowing unit according to an embodiment of the present invention.
4 is a perspective view illustrating a blower fan, a blower motor, and a structure for supporting the same according to an embodiment of the present invention.
5A is a perspective view of a bottom surface of a blower fan housing on which a support bracket is disposed according to an embodiment of the present invention.
5B is an exploded view of FIG. 5A.
Fig. 5c is a cross-sectional view of Fig. 5a.
6 is a rear view of the blowing unit according to an embodiment of the present invention.

Advantages and features of the present invention and methods of achieving them will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only these embodiments allow the disclosure of the present invention to be complete, and common knowledge in the art to which the present invention pertains It is provided to fully inform those who have the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout.

Hereinafter, the present invention will be described with reference to the drawings for explaining the air conditioner according to the embodiments of the present invention.

<Entire configuration>

The air conditioner 10 of the present invention sucks indoor air or indoor air and outdoor air according to air conditioning conditions (target load) such as temperature, humidity, and cleanliness of a target space among types of large air conditioners. An air handling unit that air-conditions the target space again after mixing and air-conditioning under the set conditions may be used.

The air conditioner 10 of the present invention is a case 20 having an external shape and having an inlet 22a and an outlet 22b formed therein, and is disposed inside the case 20 to heat or cool flowing air. (62), is disposed inside the case 20, and includes a blowing unit 100 for flowing the air inside the case 20 in the direction from the inlet (22a) to the outlet (22b)). The air conditioner (10) of the present invention includes a base (50) spaced apart from the bottom surface of the case (20) by a predetermined distance.

The air conditioner 10 is disposed on one side of a first case 20a that sucks air from the outside of the case 20 and heat-exchanges the air introduced into the case 20, and the first case 20a, and a second case 20b that forms an air flow inside the case 20 .

Inside the case 20, a space in which the heat exchanger 62 and the blowing unit 100 are disposed may be formed and divided into a plurality of spaces. A partition wall dividing the inner space of the case 20 into a plurality of spaces may be disposed inside the case 20 .

A plurality of chambers 30a, 30b, 30c, 30d, and 30e are formed inside the case 20 . That is, referring to FIG. 2 , inside the case 20 , a suction chamber 30a formed to introduce air from the outside of the case 20 , and a discharge formed so that air inside the case 20 is introduced to the outside of the case 20 . A heat exchange chamber 30c, a suction chamber ( The blowing chamber 30d is disposed between 30a) and the discharge chamber 30e, and flows the air inside the case 20 from the suction chamber 30a to the discharge chamber 30e.

The inside of the case 20 is disposed between the suction chamber 30a and the heat exchange chamber 30c, and a filter chamber 30b for filtering the air flowing into the heat exchange chamber 30c is formed. A filter unit 60 for removing foreign substances in the air is disposed in the filter chamber 30b.

The filter unit 60 may include a pre-filter for removing large foreign substances in the flowing air, a dust collecting filter for collecting dust by charging foreign substances in the air, and a deodorizing filter for removing odors in the air.

Referring to FIG. 2 , in the first case 20a, a suction chamber 30a, a filter chamber 30b, and a heat exchange chamber 30c are disposed, and in the second case 20b, a blowing chamber 30d and a discharge chamber are disposed. A chamber 30e is disposed. Referring to FIG. 2 , inside the case 20, a suction chamber 30a, a heat exchange chamber 30c, a blow chamber 30d, and an exhaust chamber 30e are sequentially disposed.

Referring to FIG. 2 , inside the case 20 , a first partition wall 40 dividing the suction chamber 30a and the filter chamber 30b, and a second partition wall dividing the filter chamber 30b and the heat exchange chamber 30c A partition wall 42, a third partition wall 44 partitioning the heat exchange chamber 30c and the blowing chamber 30d, and a fourth partition wall 46 partitioning the blowing chamber 30d and the exhaust chamber 30e are disposed. .

In the first partition wall 40 , a first partition wall hole 40a is formed to communicate the suction chamber 30a and the filter chamber 30b. The first partition wall 40a is formed in consideration of the size of the filter unit 60 . The filter unit 60 may be fixedly disposed on the first partition wall 40 .

In the second partition wall 42 , a second partition wall hole 42a is formed to communicate the filter chamber 30b and the heat exchange chamber 30c. The second partition wall hole 42a may be formed in consideration of the size of the heat exchanger 62 . The heat exchanger 62 may be fixedly disposed on the second partition wall 42 . A drain pan 66 is disposed below the heat exchanger 62 .

At one side of the case 20 in which the suction chamber 30a is disposed, a suction port 22a through which air from the outside of the case 20 is introduced is formed.

The third partition wall 44 is formed with a third partition wall hole 44a for communicating the heat exchange chamber 30c and the blowing chamber 30d. The third partition wall hole 44a is formed to be larger than the housing suction port 116a of the blower fan housing 110 to be described below. One side of the guide part 174 to be described below is mounted on the third partition wall 44 .

A fourth partition wall 46a is formed in the fourth partition wall 46 to communicate the blow chamber 30d and the discharge chamber 30e. The fourth bulkhead hole 46a is formed to have the same size as the housing outlet 110a formed in the blower fan housing 110 of the blower unit 100 . One side of the blower fan housing 110 on which the housing outlet 110a is formed is fixedly disposed on the fourth partition wall 46 . Accordingly, the space of the blowing chamber 30d formed outside the blowing fan housing 110 may be formed to be sealed.

A drain pan 66 is disposed in the heat exchange chamber 30c to collect condensed water falling to the lower side of the heat exchanger 62 and discharge it to the outside of the case 20 . At one side of the case 20 in which the heat exchange chamber 30c is formed, refrigerant pipe through-holes 24a and 24b through which the refrigerant pipes 64a and 64b connected to the heat exchanger 62 pass are formed. At one side of the case 20 in which the heat exchange chamber 30c is formed, the condensate pipe through hole 24c through which the condensate pipe 68 is connected to the drain pan 66 and discharges the condensed water to the outside of the case 20. is formed

A third bulkhead hole 44a through which air from the heat exchange chamber 30c can flow into the blower chamber 30d is formed on a surface where the first case 20a and the second case 20b face each other. The size of the third partition wall hole 44a may be formed in consideration of the size of the blowing fan inlet 160a formed in the blowing fan 160 .

In the blowing chamber 30d, the blowing unit 100 for sending the air of the suction chamber 30a to the discharge chamber 30e is arranged. The blowing unit 100 is spaced apart from the bottom surface of the blowing chamber 30d upward at a predetermined interval. Inside the blowing chamber (30d), the separation frame 170 for separating the blowing unit 100 upward, and a fixing bracket 172 for fixing the blowing unit 100 to the upper side of the separation frame 170 are disposed.

The spaced frame 170 has a 'C' shape and extends in the longitudinal direction ( ) of the case. Below the blowing unit 100, two spaced frames 170 are disposed. The fixing bracket 172 is disposed between the spacing frame 170 and the blowing unit 100 . The fixing bracket 172 fixes the arrangement of the blowing unit 100 disposed on the upper side of the spaced frame 170 .

A guide part 174 for guiding the air introduced into the blowing chamber 30d to the blowing unit 100 may be disposed in the blowing chamber 30d. The guide part 174 is formed to decrease the cross-sectional size of the flow path through which the air flows toward the blowing unit 100 . That is, the cross-sectional area of the flow path formed in the flow direction to the blowing unit 100 is narrowed, so that air can be concentrated in the blowing unit 100 .

The blowing unit 100 includes a blowing fan housing 110 opened in both directions facing each other, and a blowing fan 160 disposed inside the blowing fan housing 110 and forming a flow of air. A detailed configuration of the blowing unit 100 will be described below.

At one side of the case 20 forming the discharge chamber 30e, an outlet 22b through which air inside the case 20 is discharged to the outside of the case 20 is formed. The inlet (22a) and the outlet (22b) may be disposed on the surface where the case 20 faces each other.

A fourth partition wall 46 may be disposed between the discharge chamber 30e and the blowing chamber 30d to cover the remaining portion except for the area in which the blowing unit 100 is disposed. The fourth partition wall 46 prevents the air flowing from the blowing unit 100 to the discharge chamber 30e from being re-introduced into the area where the blowing unit 100 of the blowing chamber 30d is not disposed.

The case 20 may have a rectangular parallelepiped shape. The case 20 includes a plurality of case panels 32 forming an external appearance, a plurality of case frames 34 that are disposed between the plurality of case panels 32, and a plurality of case frames 34 for fixing the plurality of case panels 32 to each other. It is disposed between the case frames 34, and includes a case connector 36 for fixing the plurality of case frames (34).

Each of the first case 20a and the second case 20b includes a plurality of case panels 32 , a plurality of case frames 34 , and a plurality of case connectors 36 . A third partition wall 44 is disposed on a surface where the first case 20a and the second case 20b face each other.

<Blow unit>

The air conditioner (10) of the present invention includes a blowing unit (100) for sending air from the suction chamber (30a) to the discharge chamber (30e).

The blowing unit 100 includes a blowing fan 160 that sends air inside the case 20 from the suction chamber 30a to the discharge chamber 30e, a blowing fan motor 164 that rotates the blowing fan 160, blowing Blowing fan housing 110 forming a space in which the fan 160 is disposed, a support 140 for fixing the arrangement of the blowing fan motor 164 disposed inside the blowing fan housing 110, and the blowing fan housing 110 ) is fixedly arranged, and includes a support bracket 150 that is fastened to the support 140 .

The blower unit 100, the blower fan housing 110, the housing inlet 116a is formed in one direction, the housing outlet 110a is formed in the opposite direction to the direction in which the housing inlet 116a is formed. An orifice 162 for guiding the air introduced into the housing inlet 116a to the blowing fan 160 is disposed in the blowing fan housing 110 . The orifice 162 has a shape that is gradually reduced in cross section toward the blowing fan 160 .

The blower fan 160 is a centrifugal fan that forms a blower fan suction port 160a through which air is sucked in a direction in which the rotation shaft is formed, and a blow fan discharge port 160b through which air is discharged in a radial direction perpendicular to the rotation shaft. Can be used.

The blowing fan motor 164 is disposed in a direction opposite to the direction in which the blowing fan suction port 160a of the blowing fan 160 is formed. The blowing fan motor 164 is connected to the blowing fan 160 to rotate the blowing fan 160 .

The blower fan housing 110 may have the shape of a square pillar. The blower fan housing 110 is formed outside the peripheral plate on which the blower fan outlet 160b is formed. The blower fan housing 110 forms a housing discharge port 110a that is opened in the direction of the discharge chamber 30e.

The blower fan housing 110 includes a plurality of housing panels 112 forming an external appearance, and a plurality of housing frames disposed between the plurality of housing panels 112 and vertically connecting the two housing panels 112 ( 130 , and a housing connector 132 disposed between the plurality of housing frames 130 and vertically connecting the three housing frames 130 .

The housing panel 112 is disposed in the direction in which the blowing fan inlet 160a is formed, the housing bulkhead 116 covering the remaining portion except for the blowing fan inlet 160a, and the blowing fan outlet 160b are formed It includes a peripheral plate (114a, 114b, 114c, 120) disposed in the direction.

Each of the plurality of housing panels 112 may form a space therein, and a foam panel that has a thermal insulation function and secures airtightness in the inner space of the housing panel 112 may be disposed.

The housing partition wall 116 has a circular housing suction port 116a formed at the center thereof. The housing inlet 116a communicates with the blower fan inlet 160a so that the air in the suction chamber 30a flows into the blower fan housing 110 .

The peripheral plates 114a, 114b, 114c, and 120 may have a quadrangular prism shape. The peripheral plates 114a, 114b, 114c, and 120 are respectively disposed on four surfaces where the blower fan outlet 160b of the blower fan 160 is formed. The peripheral plates 114a, 114b, 114c, and 120 are a bottom surface 120 disposed below the blowing fan 160 , an upper surface 114a disposed above the blowing fan 160 , and a bottom surface 120 . ) and both sides 114b and 114c connecting both ends of the upper surface 114a, respectively. Each of the bottom surface 120 , the upper surface 114a , and the side surfaces 114b and 114c forms a surface perpendicular to the adjacent surface.

Referring to FIG. 5B , the bottom surface 120 may include a lower cover 124 that forms a space therein and is opened upward, and an upper cover 122 that covers the opened upper side of the lower cover 124 . can The bottom surface 120 may further include a foam panel 118 disposed in a space formed inside the lower cover 124 and the upper cover 122 . The support bracket 150 is fixedly arranged in the space formed inside the lower cover 124 and the upper cover 122 .

The housing frame 130 connects the two circumferential plates 114a, 114b, 114c, 120 or the circumferential plates 114a, 114b, 114c, 120 and the housing bulkhead 116 that are vertically disposed. The housing frame 130 may be coupled to the peripheral plates 114a, 114b, 114c, 120 or the housing bulkhead 116 in a sliding manner or through a fastening member (not shown) of a wall diagram.

The plurality of housing frames 130 may form a skeleton of the blower fan housing 110 and may form a rectangular parallelepiped shape as a whole.

The housing connector 132 connects each of the three housing frames 130 arranged vertically. The housing connector 132 may be coupled to the housing frame 130 by an interference fit method, or may be connected through a separate fastening member (not shown).

The support 140 is mounted on one side of the housing panel 112 . The support 140 is fixedly disposed on the bottom surface 120 of the housing panel 112 . The support 140 is fastened to the support bracket 150 that is fixedly disposed on the inner side of the bottom surface 120 .

The support 140 is disposed below the blower fan motor 164 and is coupled to the blower fan motor 164 . The blower fan motor 164 may be fixed to the support 140 , and the arrangement may be fixed inside the blower fan housing 110 .

The support 140 may have an approximately 'C' shape.

The support 140 forms a surface parallel to the bottom surface 120, and is bent downward at both ends of the motor fastening surface 142 and the motor fastening surface 142 that are fastened to the blower fan motor 164, respectively. A pair of extended surfaces (144a, 144b) and a pair of extended surfaces (144a, 144b) are bent at the ends of each, and include panel fastening surfaces (148a, 148b) fastened to the bottom surface (120).

The motor fastening surface 142 is disposed so as to contact the blower fan motor 164 from the upper surface. The motor fastening surface 142 is fastened to the blower fan motor 164 through a separate fastening member (not shown). Accordingly, the blower fan motor 164 may have a fixed arrangement on the upper side of the motor fastening surface 142 .

At the front and rear ends of the motor fastening surface 142 , a rigidity reinforcing rib 146 that is bent and extended in the downward direction may be disposed.

A pair of extension surfaces 144a and 144b are disposed at left and right ends of the motor fastening surface 142 . A pair of extension surfaces (144a, 144b) is arranged to be spaced apart from the motor fastening surface (142) by a predetermined distance from the bottom surface (120). This is to form a space for the blowing fan 160 to rotate. The pair of extension surfaces 144a and 144b are arranged to be spaced apart from each other from the upper side to the lower side.

Referring to FIG. 6 , an inclination angle θ formed with an imaginary vertical line formed by each of the pair of extension surfaces 144a and 144b perpendicular to the ground may be formed in a range of 5 degrees to 30 degrees.

Each of the pair of extension surfaces 144a and 144b may have a straight surface shape. At the front and rear ends of the pair of extension surfaces 144a and 144b, a rigidity reinforcing rib 146 extending by bending the pair of extension surfaces 144a and 144b in a direction facing each other may be disposed.

The panel fastening surfaces 148a and 148b form a surface in contact with the bottom surface 120 of the housing panel 112 , and are fastened to the bottom surface 120 with a separate fastening member 158 . The panel fastening surfaces 148a and 148b may fix the arrangement of the support 140 disposed inside the blower fan housing 110 . The panel fastening surfaces 148a and 148b are simultaneously fastened to the bottom surface 120 and the support bracket 150 disposed below the bottom surface 120 through the fastening member 158 .

The support bracket 150 has a substantially 'c' shape and has a structure extending in the front-rear direction. The support bracket 150 is fixedly disposed inside the housing panel 112 . The support bracket 150 is fixedly disposed on both inner sides of the housing panel 112 .

The support bracket 150 is disposed to contact the upper cover 122 and the lower cover 124 of the bottom surface 120 . The support bracket 150 includes a bracket upper surface 152 in contact with the upper cover 122, a bracket extension surface 154 bent downward from both ends of the bracket upper surface 152 and extending, and a bracket extension surface ( It is bent at 154 and includes a bracket end surface 156 in contact with the lower cover 124 .

The upper surface of the bracket 152 may be fastened to the upper cover 122 with a separate fastening member 158 . The bracket upper surface 152 is fastened to the upper cover 122 and the support 140 through the fastening member 158 . The bracket end surface 156 may be coupled to the lower cover 124 by welding.

The length 150L of the support bracket 150 formed in the front-rear direction is longer than the length 140L of the supporter 140 formed in the front-rear direction. The length 150L at which the support bracket 150 is formed in the front-rear direction may be formed to be twice or more than the length 140L at which the support 140 is formed in the front-rear direction.

In the above, preferred embodiments of the present invention have been shown and described, but the present invention is not limited to the specific embodiments described above, and in the technical field to which the present invention pertains without departing from the gist of the present invention as claimed in the claims. Various modifications may be made by those of ordinary skill in the art, and these modifications should not be individually understood from the technical spirit or perspective of the present invention.

20: case 20a: first case
20b: second case 22a: intake port
22b: outlet 30a: suction chamber
30b: filter chamber 30c: heat exchange chamber
30d: blow chamber 30e: exhaust chamber
32: case panel 34: case frame
36: case connector 40: first bulkhead
42: second bulkhead 44: third bulkhead
46: fourth bulkhead 50: base
60: filter 62: heat exchanger
66: drain pan 100: blowing unit
110: blow fan housing 110a: housing outlet
112: housing panel 114a: upper surface
114b, 114c: both sides 116: housing bulkhead
118: foam panel 120: bottom surface
122: upper cover 124: lower cover
130: housing frame 132: housing connector
140: support 142: motor fastening surface
144a, 144b: extended surface 146: rigidity reinforcing rib
148a, 148b: panel fastening surface 150: support bracket
152: bracket upper surface 154: bracket extended surface
156: bracket end surface 160: blower fan
160a: Blowing fan inlet 160b: Blowing fan outlet
162: orifice 164: blower motor
170: spaced frame 172: fixed bracket
174: guide part

Claims (19)

a case having an intake chamber in which air is introduced from the outside and an exhaust chamber in which air is discharged to the outside;
a blowing fan disposed inside the case and configured to form an air flow from the suction chamber to the discharge chamber;
a blowing fan housing covering at least one surface of the blowing fan;
a blower fan motor rotating the blower fan;
a support disposed below the blowing fan motor and supporting the blowing fan motor from the blowing fan housing; and
and a support bracket fixed to the blower fan housing and fastened to the support;
The blowing fan housing includes a bottom surface disposed below the blowing fan,
The bottom surface includes a lower cover having a space therein and opened upward, and an upper cover covering the opened upper side of the lower cover,
The support bracket is disposed in a space formed inside the lower cover and the upper cover,
The support bracket is
an upper surface of the bracket in contact with the upper cover;
a bracket extension surface that is bent downward from both ends of the upper surface of the bracket and extends;
and a bracket end surface bent from the bracket extension surface and in contact with the lower cover;
The fastening member for fastening the upper surface of the bracket and the upper cover is also fastened with the support. The method of claim 1,
The blower fan housing,
A plurality of peripheral plates formed along the periphery of the blowing fan,
The support bracket is an air conditioner that is fixedly disposed in the inner space of the circumferential plate. The method of claim 1,
The support is
An air conditioner extending downward of the blower fan motor and having a lower end fixed to the support bracket. The method of claim 1,
The support is
a motor fastening surface coupled to the blowing fan motor from a lower side of the blowing fan motor;
a pair of extension surfaces bent downward from both ends of the motor fastening surface, respectively;
and a panel fastening surface that is bent at an end of each of the pair of extended surfaces and is fastened to the blower fan housing. 5. The method of claim 4,
An air conditioner having rigidity reinforcing ribs bent and extending in the downward direction are disposed at the front and rear ends of the motor fastening surface. 5. The method of claim 4,
An inclination angle formed by each of the pair of extension surfaces with an imaginary vertical line formed perpendicular to the ground is 5 to 30 degrees. The method of claim 1,
The blower fan housing,
A plurality of housing panels forming an exterior, a plurality of housing frames disposed between the plurality of housing panels and vertically connecting the plurality of housing panels, and a housing connector vertically connecting the plurality of housing frames air conditioner that does. 8. The method of claim 7,
The blower fan has a blower fan inlet through which air is sucked in a direction in which the rotating shaft is formed, and a blower fan outlet through which air is discharged in a radial direction perpendicular to the rotating shaft is formed,
In the blower fan housing, a housing inlet is formed in one direction, and a housing outlet is formed in a direction opposite to the direction in which the housing inlet is formed,
The housing panel includes a housing bulkhead that is disposed in a direction in which the blowing fan inlet of the blower fan is formed, covers the remaining portion except for the blower fan inlet, and a peripheral plate disposed in the direction in which the blower fan outlet is formed. air conditioner that does. 9. The method of claim 8,
The circumferential plate includes the bottom surface, an upper surface disposed above the blowing fan, and both sides connecting both ends of the bottom surface and the upper surface, respectively. delete The method of claim 1,
and the bottom surface has a thermal insulation performance and includes a foam panel disposed in a space formed inside the lower cover and the upper cover. The method of claim 1,
The support bracket is disposed to contact the upper cover and the lower cover of the bottom surface of the air conditioner. delete delete The method of claim 1,
The bracket end surface is coupled to the lower cover by welding. The method of claim 1,
The length in which the support bracket is formed in the front-rear direction is longer than the length in which the support bracket is formed in the front-rear direction. The method of claim 1,
A length in which the support brackets are formed in the front-rear direction is twice or more than a length in which the support brackets are formed in the front-rear direction. The method of claim 1,
In the case, a blowing chamber is disposed between the suction chamber and the discharge chamber, and the blower fan housing is disposed;
The air conditioner is provided with a separation frame for separating the blowing fan housing from the upper side of the case, and a fixing bracket for fixing the blowing fan housing with an upper side of the separation frame, inside the blowing chamber. 19. The method of claim 18,
A guide part for guiding the air introduced into the blowing chamber into the blowing fan housing is disposed in the blowing chamber;
The guide part is an air conditioner in which a cross-sectional size of a flow path through which air flows decreases toward a direction in which the blower fan housing is disposed.

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