JP6937937B2 - Outdoor unit of air conditioner - Google Patents

Description

The present invention relates to an outdoor unit of an air conditioner.

Conventionally, some outdoor units of air conditioners have an electric component box fixed to a partition plate (see, for example, Patent Document 1). Here, the electrical component box contains a control board or the like that controls a fan, a compressor, or the like. Further, the partition plate separates the internal space of the outdoor unit into a machine room and a blower room. In the outdoor unit of Patent Document 1, a heat exchanger and an electric component box are arranged in a housing with a predetermined gap in the front-rear direction.

International Publication No. 2009/041424

In the outdoor unit of Patent Document 1, an electric component box is arranged above the partition plate, and a heat exchanger is arranged behind the electric component box. When the outdoor unit of Patent Document 1 falls in the front-rear direction due to handling during transportation or the like, the partition plate bends due to the impact of the fall, and the electrical component box or the partition plate comes into contact with the heat exchanger and the fins of the heat exchanger are deformed. There is a risk of doing. In recent years, the outdoor unit of an air conditioner tends to have a large control board, and the gap between the electric component box and the heat exchanger has become small. Therefore, the electric component box and the heat exchanger come into contact with each other due to the impact of the outdoor unit falling over, and the heat exchanger, for example, fins or the like, is likely to be deformed.

The present invention solves the above-mentioned problems, and even if the outdoor unit falls, the electric component box is restricted from moving back and forth due to the impact of the fall, and the heat exchanger is operated by the electric component box. It provides an outdoor unit of an air conditioner that prevents deformation.

The outdoor unit of the air conditioner of the present invention is provided with a housing that constitutes the outer shell of the outdoor unit, and the space inside the housing is compressed by a blower room that houses a heat exchanger and a blower. A partition plate that separates the machine room from which the machine is stored, an electrical component box that stores the electronic parts that control the outdoor unit, and is attached to the partition plate, supports the blower, and is placed between the blower and the heat exchanger. The electrical component box has a board holder for accommodating a control board to which electronic parts are attached, and the board holder is formed in a rectangular frame shape by side wall portions constituting four sides. The substrate holder is formed with a locking projection that protrudes into the blower chamber, and the locking projection is a front-rear press that constitutes a plate-shaped wall portion that projects and extends in the direction perpendicular to the side wall portion. It has a wall, the motor support member has a plate-shaped top surface portion arranged above the blower, and the top surface portion has a storage portion formed so that a part of the edge portion of the top surface portion protrudes. However, the storage portion is arranged between the locking projection and the heat exchanger , has a side portion of the storage portion that constitutes a wall portion facing the heat exchanger, and has a front-rear direction holding wall and a side surface of the storage portion. The locking projection and the accommodating portion are fixed by facing the portions and fixing them to each other.

In the outdoor unit of the air conditioner of the present invention, the accommodating portion of the motor support member is arranged between the locking projection of the electric component box and the heat exchanger, and the locking projection and the accommodating portion are fixed. Is. Then, in the outdoor unit, the movement of the electric component box is restricted by fixing the storage portion with the locking projection. As a result, even if the outdoor unit falls, the electric component box is restricted from moving back and forth due to the impact of the fall, and the heat exchanger can be prevented from being deformed by the contact of the electric component box. ..

It is a perspective view of the outdoor unit which concerns on embodiment of this invention. It is an exploded perspective view which disassembled a part of the outdoor unit which concerns on embodiment of this invention. It is an exploded front view which disassembled a part of the outdoor unit which concerns on embodiment of this invention. It is a perspective view which disassembled the electric parts box of the outdoor unit which concerns on embodiment of this invention. It is an exploded perspective view which shows the state which the electric part box of the outdoor unit which concerns on embodiment of this invention is attached from the back side. It is an exploded perspective view which shows the state which the electric part box of the outdoor unit which concerns on embodiment of this invention is attached to a partition plate from the back side. It is an exploded perspective view which shows the state which the electric part box of the outdoor unit which concerns on embodiment of this invention is fixed to a partition plate from the front side. It is an exploded perspective view which shows the attachment to the partition plate of the electric part box of the outdoor unit which concerns on embodiment of this invention from the front side. It is an exploded perspective view which shows the state which the electric part box of the outdoor unit which concerns on embodiment of this invention is fixed to a motor support member. It is an exploded perspective view which shows the attachment to the motor support member of the electric parts box of the outdoor unit which concerns on embodiment of this invention. It is a perspective view which shows the locking projection of the substrate holder of the electric component box of FIG. It is a perspective view which looked at the locking projection of FIG. 11 from another direction. It is a side view which looked at the locking projection of FIG. 11 from the side. It is the top view which looked at the locking projection of FIG. 11 from above. It is a rear view which looked at the locking projection of FIG. 11 from the back side. It is a perspective view which shows the motor support member of the outdoor unit of FIG. It is an enlarged view of the storage part of FIG. It is a perspective view which looked at the top surface part of FIG. 16 from the bottom. It is a top view of the motor support member of FIG. It is a rear view which made contact with the side surface part of the storage part of FIG. 17 and the holding wall in the front-rear direction of FIG. It is an exploded top view which disassembled a part of the outdoor unit which concerns on embodiment of this invention.

Hereinafter, the outdoor unit 100 of the air conditioner according to the present invention will be described in detail with reference to the drawings. In the drawings below, the size relationship of each component may differ from the actual one. Further, in the following drawings, those having the same reference numerals are the same or equivalent thereof, and this shall be common to the entire text of the specification. Furthermore, the forms of the components represented in the full text of the specification are merely examples, and are not limited to these descriptions. In addition, terms indicating a direction or position (for example, "top", "bottom", "right", "left", "front", "rear", etc.) are appropriately used for ease of understanding. However, these notations are merely described as such for convenience of explanation, and do not limit the arrangement and orientation of the device or component.

Embodiment.
FIG. 1 is a perspective view of the outdoor unit 100 according to the embodiment of the present invention. The outer shell of the outdoor unit 100 of the air conditioner will be described with reference to FIG. The X-axis shown in the following drawings including FIG. 1 indicates the left-right direction of the outdoor unit 100, the Y-axis indicates the front-rear direction of the outdoor unit 100, and the Z-axis indicates the vertical direction of the outdoor unit 100. More specifically, when the outdoor unit 100 is viewed from the front, the X1 side is on the left side, the X2 side is on the right side, the Y1 side is on the front side on the Y axis, the Y2 side is on the rear side, the Z1 side is on the upper side on the Z axis, and the Z2 side is on the lower side. The outdoor unit 100 will be described as the side. Further, the positional relationship between the constituent members (for example, the vertical relationship, etc.) in the specification is, in principle, the one when the outdoor unit 100 is installed in a usable state.

As shown in FIG. 1, the outdoor unit 100 has a housing 50 configured in a substantially rectangular parallelepiped shape. The housing 50 of the outdoor unit 100 is made of sheet metal and constitutes the outer shell of the outdoor unit 100. The housing 50 of the outdoor unit 100 has a front panel 1, a back panel 2, a top panel 3, and a base 4. The housing 50 is formed in a box shape by the front panel 1, the back panel 2, the top panel 3, and the base 4.

The front panel 1 has a horizontally long first side surface portion 1a and a vertically long second side surface portion 1b, and has an L shape when viewed from above the outdoor unit 100, that is, from the side of the top surface panel 3. It is a sheet metal panel folded into. The first side surface portion 1a constitutes the side wall of the housing 50 on the side where the air of the outdoor unit 100 is blown out, and the second side surface portion 1b extends along the main flow direction of the air in the outdoor unit 100. It constitutes the side wall of the housing 50. A circular outlet 1c is formed on the front panel 1. Further, a rectangular fan guard 6 is attached to the front panel 1 to cover the air outlet 1c and protect the propeller fan of the blower 5. Further, a plurality of slits for taking in outdoor air into the outdoor unit 100 may be formed in the second side surface portion 1b (not shown). Since the second side surface portion 1b is not shown in the perspective view of FIG. 1, the position of the side surface corresponding to the second side surface portion 1b is indicated by a leader line with an arrow together with a reference numeral. Further, the front panel 1 may be composed of two sheet metal panels with the first side surface portion 1a and the second side surface portion 1b as separate bodies.

The back panel 2 is a sheet metal panel that is bent so as to have an L shape when viewed from the side of the top panel 3. The back panel 2 has a vertically long third side surface portion 2a facing the second side surface portion 1b and a vertically long fourth side surface facing the side surface of the first side surface portion 1a on the third side surface portion 2a. It has a part 2b. The third side surface portion 2a is formed with a plurality of openings for drawing a plug connected to an external power source and a refrigerant pipe into the inside (not shown). Further, the third side surface portion 2a is provided with a service cover 2d that covers a plurality of openings provided in the third side surface portion 2a and prevents dust or water from entering. Since the fourth side surface portion 2b cannot be shown in the perspective view of FIG. 1, the position of the side surface corresponding to the fourth side surface portion 2b is indicated by a leader line with an arrow together with a reference numeral. Further, the back panel 2 may be composed of two sheet metal panels by separating the third side surface portion 2a and the fourth side surface portion 2b.

The top panel 3 is a sheet metal panel that constitutes the top plate of the housing 50 and covers the upper part of the outdoor unit 100. The top panel 3 is attached to the upper edges of the front panel 1 and the back panel 2.

The base 4 faces the top panel 3 in the housing 50 and constitutes the bottom plate of the housing 50. A front panel 1 and a back panel 2 are attached to the base 4, and a plurality of legs 4a are provided on the lower surface of the base 4. The leg portion 4a serves as a base for fixing the outdoor unit 100 to the installation location. Since the base 4 is not shown in the perspective view of FIG. 1, the position of the panel corresponding to the base 4 is indicated by a leader line with an arrow together with a reference numeral.

FIG. 2 is an exploded perspective view of a part of the outdoor unit 100 according to the embodiment of the present invention. FIG. 3 is an exploded front view of a part of the outdoor unit 100 according to the embodiment of the present invention. Next, the internal configuration of the outdoor unit 100 of the air conditioner will be described with reference to FIGS. 1 to 3. In order to explain the internal configuration of the outdoor unit 100 of the air conditioner in an easy-to-understand manner, in FIGS. The illustration of the component parts is omitted. The outdoor unit 100 has a partition plate 7, a heat exchanger 10, a blower 5, a compressor 11, an electric component box 13, and a motor support member 22 inside the housing 50.

The partition plate 7 is a partition wall that separates the space inside the housing 50 of the outdoor unit 100 into the blower room 8 and the machine room 9. The partition plate 7 is a plate-shaped member provided inside the housing 50, is provided in the upward direction (Z-axis direction) from the base 4, and is provided in the front-rear direction (Y-axis direction) of the base 4. Has been done. That is, the partition plate 7 is arranged on the base 4 in the housing 50, and is provided so as to extend between the first side surface portion 1a of the front panel 1 and the fourth side surface portion 2b of the back panel 2. There is. The partition plate 7 is formed by bending a sheet metal or the like, for example.

The blower chamber 8 is a space surrounded by a front panel 1, a top panel 3, a base 4, a heat exchanger 10, and a partition plate 7. The blower room 8 takes in outdoor air from the outside of the outdoor unit 100 through a plurality of slits provided in the heat exchanger 10 or the second side surface portion 1b of the front panel 1, and blows the air inside the outdoor unit 100. It is configured so that it can be exhausted to the outside of the outdoor unit 100 via the outlet 1c. The machine room 9 is a space surrounded by a first side surface portion 1a of the front panel 1, a back panel 2, a top panel 3, a base 4, and a partition plate 7, and is dust or water from the outside of the outdoor unit 100. It has a structure that can avoid the invasion of.

The heat exchanger 10 and the blower 5 arranged so as to face the heat exchanger 10 are housed in the space on the blower room 8 side in the housing 50, and the machine room 9 side in the housing 50. The compressor 11 is housed in the space of. The heat exchanger 10 and the compressor 11 are installed on the base 4. Further, an electric component box 13 is arranged at the upper end of the partition plate 7. The electrical component box 13 is arranged above the compressor 11 over the blower chamber 8 and the machine chamber 9. The electrical component box 13 is not limited to the one arranged over the blower room 8 and the machine room 9, and for example, the main part may be arranged only in the machine room 9.

The heat exchanger 10 exchanges heat between the refrigerant flowing inside and the outside air, and functions as an evaporator during the heating operation and as a condenser during the cooling operation. The heat exchanger 10 can be configured as, for example, a fin-and-tube heat exchanger, for increasing the heat transfer area between the plurality of heat transfer tubes 10a through which the refrigerant passes and the refrigerant flowing through the heat transfer tubes 10a and the outside air. It has a plurality of fins 10b. The heat exchanger 10 has a flat plate region and a curved surface region, and is formed in an L shape when viewed in the direction perpendicular to the base 4. Although FIGS. 2 and 3 illustrate the case where the heat exchanger 10 is formed in an L shape, the heat exchanger 10 has a linear shape when viewed in the direction perpendicular to the base 4. It may be formed in a U shape having curved regions at both ends.

As shown in FIG. 2, the blower 5 is a blower means including a motor 5a and a propeller fan 5b, and generates an air circulation for efficiently performing heat exchange in the heat exchanger 10. As shown in FIGS. 2 and 3, the blower 5 is arranged in front of the heat exchanger 10 (Y1 side) in the housing 50. In the blower 5, the motor 5a is attached to and fixed to the motor support member 22. The blower 5 creates a negative pressure between the heat exchanger 10 and the propeller fan 5b, introduces outside air from the back side (Y2 side) of the housing 50 into the housing 50, and introduces the outside air into the outdoor unit 100. The generated outside air is discharged from the front side (Y1 side) of the outdoor unit 100 toward the outside of the housing 50.

The compressor 11 compresses the sucked refrigerant into a high-temperature and high-pressure gas refrigerant and discharges the refrigerant. The compressor 11 is, for example, a rotary type, scroll type or vane type compressor. The compressor 11 may be provided with an inverter device, and may be configured so that the capacity of the compressor 11 can be changed by changing the operating frequency by the inverter device. The capacity of the compressor 11 is the amount of refrigerant delivered per unit time. In the machine room 9, a plurality of refrigerant pipes 12 for connecting each component constituting the refrigeration cycle circuit are arranged.

The outdoor unit 100 has an electric component box 13 in the housing 50. The electrical component box 13 stores electrical components such as control components for controlling the operation of the outdoor unit 100. The control component is composed of, for example, hardware such as a circuit device, software executed on an arithmetic unit such as a central processing unit, or a combination thereof. For example, in the outdoor unit 100 having an inverter drive circuit, the control board 14 is housed in the electrical component box 13. Electronic components such as transistors and diodes for controlling the blower 5 and the compressor 11 are mounted on the control board 14. The electrical component box 13 is provided with a heat sink 15 for cooling electrical components and the like housed in the electrical component box 13. In the driving state of the control board 14 described above, electronic components such as transistors and diodes generate heat, and the temperature of the control board 14 rises. In order to dissipate heat from the control board 14 and cool the control board 14, the heat sink 15 is arranged so as to protrude from the electrical component box 13 so that the air flowing through the blower chamber 8 hits the heat sink 15. ..

FIG. 4 is an exploded perspective view of the electrical component box 13 of the outdoor unit 100 according to the embodiment of the present invention. Inside the housing 50 of the outdoor unit 100, the electric component box 13 is arranged so as to straddle the blower room 8 and the machine room 9, and is attached to the upper part of the partition plate 7.

The electrical component box 13 has a control board 14 to which electronic components such as capacitors and resistors are attached by soldering. The control board 14 is provided with an inverter circuit that controls the frequency of the alternating current that drives the motor 5a of the compressor 11 and the blower 5. The inverter circuit is an electronic circuit that generates frequency-controlled alternating current from direct current. Further, the control board 14 may be provided with a converter circuit that converts an alternating current flowing from an external power source via a terminal block (not shown) into a direct current. The converter circuit may be integrally mounted on the same control board 14 as the inverter circuit, or may be mounted on a control board 14 different from the board on which the inverter circuit is mounted. Assuming that the mounting side of the electronic component is the front surface side of the control board 14, the electric component box 13 has a substrate holder 16 and an electric component box cover 20 on the back surface side of the control board 14.

The control board 14 is housed in a resin board holder 16 such as ABS. In other words, the substrate holder 16 is attached to the control substrate 14 and supports the peripheral edge portion and the back surface portion of the control substrate 14. The control board 14 is protected by, for example, an external impact by the board holder 16. The substrate holder 16 is formed in a rectangular frame shape by the side wall portions 16a forming the four sides. Inside the side wall portion 16a of the substrate holder 16, a grid-shaped frame 16b that supports the back surface portion of the control substrate 14 is configured. Further, the terminal block support 21 can be attached to the board holder 16. As shown in FIG. 4, the surface portion of the control board 14 to which the electronic components are mounted corresponds to the lower surface portion (Z2 side) of the control board 14. Further, as shown in FIG. 4, the back surface portion of the control board 14 to which the electronic components are soldered corresponds to the upper surface portion (Z1 side) of the control board 14.

A sheet metal electric product box cover 20 is provided on the upper portion of the electric product box 13. The electrical component box cover 20 is fitted in the substrate holder 16 and covers the entire lattice-shaped frame 16b of the substrate holder 16. The back surface of the control board 14 is protected from the intrusion of water or dust by the electric box cover 20. The electrical component box cover 20 prevents the control board 14 from getting wet due to dew or the like and causing an electrical short circuit, and even if a flame is generated in the control board 14 due to a short circuit or the like, the flame moves from the control board 14 to the outside. To prevent that.

The electrical component box 13 has a heat sink 15 on the surface side of the control board 14. More specifically, a heat sink 15 is attached to a part of heat-generating electronic components on the surface of the control board 14, such as a transistor. The heat sink 15 has a plate-shaped portion 15a that covers the electronic components, and a plurality of fins 15b that extend from the plate-shaped portion 15a in a direction away from the control substrate 14. By providing the heat sink 15 with the plurality of fins 15b, the heat transfer area between the heat sink 15 and the outside air can be increased, so that the heat generated by the electronic components can be efficiently dissipated. Further, by arranging the heat sink 15 on the side of the blower chamber 8 of the outdoor unit 100, heat can be efficiently dissipated to the air sent from the blower 5.

The electrical component box 13 includes a heat sink support 17 and a heat sink holder 19 on the surface side of the control board 14.

The heat sink support 17 supports and fixes the electrical component box 13 to the partition plate 7 when the electrical component box 13 is arranged on the partition plate 7. The heat sink support 17 is made of sheet metal and is fixed to the substrate holder 16. The heat sink support 17 has a frame body portion 17a attached to the substrate holder 16. The frame body portion 17a covers and supports the plate-shaped portion 15a of the heat sink 15 and the heat sink holder 19 in a state of being attached to the substrate holder 16. The frame body portion 17a of the heat sink support 17 is formed in a hollow rectangular frame shape, and an opening 17c is formed inside the wall portion formed in the frame body shape. The frame body portion 17a of the heat sink support 17 is fixed by fitting the fins 15b of the heat sink 15 into the opening 17c, so that the fins 15b of the heat sink 15 are exposed through the opening 17c. The fins 15b of the heat sink 15 exposed through the opening 17c of the heat sink support 17 allow the wind flowing through the blower chamber 8 to touch the fins 15b, and the heat is dissipated from the control board 14 through the fins 15b to cool the control board 14. Will be done.

The heat sink support 17 further has a side wall portion 17b provided so as to extend in the same direction as the fins 15b of the heat sink 15. The side wall portion 17b is a side wall formed in a plate shape. The side wall portion 17b is formed so as to extend downward (Z2 direction) from one side of the rectangular frame portion 17a. The tip of the side wall 17b is attached to the upper part of the partition plate 7, and the side wall 17b functions as a wall separating the machine room 9 and the blower room 8. The heat sink support 17 has an L-shaped appearance when viewed from the side of the first side surface portion 1a of the front panel 1 by the frame body portion 17a and the side wall portion 17b.

The heat sink support 17 further has a vertical wall portion 17d extending in the vertical direction (Z-axis direction) when the electrical component box 13 is arranged on the partition plate 7. The vertical wall portion 17d is a columnar portion provided on the front side (Y1 side) side portion of the heat sink support 17. The vertical wall portion 17d has a substantially L-shaped horizontal cross section, and a fixing screw hole 17e is formed at the lower end portion of the mounting surface portion 17d1 formed parallel to the virtual extension surface of the side wall portion 17b. There is. The heat sink support 17 is integrally formed with a frame body portion 17a, a side wall portion 17b, and a vertical wall portion 17d.

The heat sink holder 19 is made of an insulating resin such as ABS, and is arranged between the heat sink 15 and the heat sink support 17 in order to electrically insulate the heat sink 15 and the heat sink support 17. Since the heat sink support 17 is made of metal and conducts electricity, the heat sink 15 and the heat sink support 17 may be electrically connected to each other. Therefore, the heat sink holder 19 secures electrical insulation between the heat sink 15 and the heat sink support 17. The heat sink holder 19 is provided with a rectangular slit for penetrating the fins 15b, and is configured so as not to interfere with heat dissipation in the fins 15b.

The electrical component box 13 may further have a terminal block support 21. The terminal block support 21 is equipped with a terminal block (not shown), and the terminal block supplies power for driving the control board 14. For example, a wiring plug connected to an external commercial power source is connected to the terminal block via the service cover 2d. The terminal block is fixed to the terminal block support 21 by screws or the like (not shown). Further, the terminal block support 21 is fixed to the board holder 16 with screws or the like. The terminal block support 21 is arranged in the machine room 9 in the housing 50, and is attached to the end of the board holder 16 on the third side surface portion 2a side of the back panel 2. The terminal block support 21 is arranged so as to extend downward (Z2 direction) toward the base 4 from the end of the board holder 16 on the third side surface portion 2a side of the back panel 2.

FIG. 5 is an exploded perspective view showing a state in which the electrical component box 13 of the outdoor unit 100 according to the embodiment of the present invention is attached from the back side. FIG. 6 is an exploded perspective view showing a state in which the electrical component box 13 of the outdoor unit 100 according to the embodiment of the present invention is attached to the partition plate 7 from the back side. 5 and 6 are views showing a state in which the electrical component box 13 is placed on the partition plate 7 and attached to the partition plate 7. As shown in FIGS. 5 and 6, a partition plate hooking portion 16c is formed on the outer peripheral side of the side wall portion 16a of the substrate holder 16 which is a component of the electrical component box 13. The partition plate hooking portion 16c is a claw that protrudes from the outer peripheral wall surface of the side wall portion 16a and whose tip extends downward. The partition plate hooking portion 16c is formed on the rear side wall portion 16a1 of the four side walls constituting the side wall portion 16a. The rear side wall portion 16a1 constitutes the side wall of the surface on the side where the heat exchanger 10 is arranged when the electrical component box 13 is arranged on the partition plate 7. When the electrical component box 13 is arranged on the partition plate 7, the partition plate hooking portion 16c is hooked on the hooking straight portion 7a of the partition plate 7, and the electrical component box 13 is placed on the partition plate 7. As shown in FIGS. 2, 5 and 6, the hooking straight portion 7a of the partition plate 7 is a portion cut out downward from the upper edge portion 7b of the partition plate 7, and is an upper edge portion of the partition plate 7. Is the part that is formed almost horizontally. The hook straight portion 7a extends in the left-right direction (X-axis direction) of the housing 50 of the outdoor unit 100 when the partition plate 7 is arranged on the base 4.

FIG. 7 is an exploded perspective view showing a state in which the electrical component box 13 of the outdoor unit 100 according to the embodiment of the present invention is fixed to the partition plate 7 from the front side. FIG. 8 is an exploded perspective view showing the attachment of the electric component box 13 of the outdoor unit 100 according to the embodiment of the present invention to the partition plate 7 from the front side. The work of attaching the electric component box 13 to the partition plate 7 will be described with reference to FIGS. 7 and 8. After the electrical component box 13 is placed on the partition plate 7, it is screwed to and fixed to the partition plate 7 by the fixing screw 23. As described above, the heat sink support 17 has a vertical wall portion 17d extending in the vertical direction (Z-axis direction), and a fixing screw hole 17e is provided at the lower end portion of the mounting surface portion 17d1 constituting the vertical wall portion 17d. It is formed. A burring hole 7c is formed at the upper end of the partition plate 7 with respect to the fixing screw hole 17e formed in the vertical wall portion 17d. When the electrical component box 13 is arranged on the partition plate 7, the mounting surface portion 17d1 and the partition plate 7 face each other, and the fixing screw hole 17e formed on the mounting surface portion 17d1 and the burring hole 7c formed on the partition plate 7 Communicate. Then, the mounting surface portion 17d1 and the partition plate 7 are screwed together by the fixing screw 23 inserted into the fixing screw hole 17e and the burring hole 7c, and the electrical component box 13 is fixed to the partition plate 7. The vertical wall portion 17d is arranged on the side surface of the electrical component box 13 on the side opposite to the side surface on which the partition plate hooking portion 16c is formed via an electric component. That is, between the first side surface portion 1a and the fourth side surface portion 2b of the housing 50, the partition plate hooking portion 16c is arranged on the fourth side surface portion 2b side, and the vertical wall portion 17d is the first. It is arranged on the side surface portion 1a side of the above. Further, the burring hole 7c formed in the partition plate 7 is an upper end of the partition plate 7 on the first side surface portion 1a side between the first side surface portion 1a and the fourth side surface portion 2b of the housing 50. It is formed in the part.

FIG. 9 is an exploded perspective view showing a state in which the electrical component box 13 of the outdoor unit 100 according to the embodiment of the present invention is fixed to the motor support member 22. FIG. 10 is an exploded perspective view showing the attachment of the electrical component box 13 of the outdoor unit 100 according to the embodiment of the present invention to the motor support member 22. After the electrical component box 13 is fixed to the partition plate 7 by screwing, the electrical component box 13 is fixed to the motor support member 22 by the fixing screws 24. In the outdoor unit 100, the locking projection 16e formed on the electrical component box 13 and the storage portion 22e formed on the motor support member 22 are engaged with each other. Hereinafter, the locking projection 16e formed on the electrical component box 13 and the storage portion 22e formed on the motor support member 22 will be described.

FIG. 11 is a perspective view showing a locking projection 16e of the substrate holder 16 of the electrical component box 13 of FIG. FIG. 12 is a perspective view of the locking projection 16e of FIG. 11 as viewed from another direction. FIG. 13 is a side view of the locking projection 16e of FIG. 11 as viewed from the side. FIG. 14 is a top view of the locking projection 16e of FIG. 11 as viewed from above. FIG. 15 is a rear view of the locking projection 16e of FIG. 11 as viewed from the rear side. The substrate holder 16 has a locking projection 16e formed on the side wall portion 16a. The locking projection 16e is formed on the inner side wall portion 16a3 of the four side walls constituting the side wall portion 16a of the substrate holder 16. The inner side wall portion 16a3 constitutes the side wall of the surface on the side where the blower 5 is arranged when the electric component box 13 is arranged on the partition plate 7. The locking projection 16e projects from the inner side wall portion 16a3 to the blower chamber 8 when the electrical component box 13 is arranged on the partition plate 7. The locking protrusion 16e has a protrusion 16f, a vertical holding wall 16g, and a protrusion 16h. The protruding portion 16f is formed on the side wall portion 16a at a position facing the notch portion 22j described later. The vertical holding wall 16g and the protruding piece 16h are formed on the side wall portion 16a at a position facing the storage portion 22e.

The protrusion 16f is a member arranged in front of (Y1 side) of the storage portion 22e constituting the motor support member 22 when the electric component box 13 is arranged on the partition plate 7. The protruding portion 16f is formed on the central portion side of the inner side wall portion 16a3 with respect to both end portions of the inner side wall portion 16a3 extending in the lateral direction (Y-axis direction) of the electrical component box 13. The protrusion 16f has a front-rear pressing wall 16f1 and a support portion 16f2.

The front-rear pressing wall 16f1 is a plate-shaped wall portion extending in a substantially vertical direction with respect to the inner side wall portion 16a3. The front-rear direction pressing wall 16f1 constitutes a wall portion facing the front-rear direction (Y-axis direction) of the housing 50 of the outdoor unit 100. That is, in the housing 50 of the outdoor unit 100, one wall surface of the front-rear pressing wall 16f1 faces the side on which the heat exchanger 10 is arranged, and the other wall surface of the front-rear direction pressing wall 16f1 is. It faces the side on which the first side surface portion 1a of the front panel 1 is arranged. When the electrical component box 13 is arranged on the partition plate 7, the front-rear direction pressing wall 16f1 faces the storage portion side surface portion 22g of the storage portion 22e constituting the motor support member 22 and comes into contact with the partition plate 7. The front-rear pressing wall 16f1 is formed with a fixing screw hole 16d used for screwing with the motor support member 22. The fixing screw hole 16d is a first fixing screw hole of the outdoor unit 100. Further, a side wall 16k extending from the front-rear direction pressing wall 16f1 toward the front side (Y1 side) of the electric component box 13 is formed at the edge of the front-rear direction pressing wall 16f1. That is, the front-rear pressing wall 16f1 has a side wall 16k on the peripheral edge of the surface opposite to the surface facing the side surface portion 22g of the storage portion.

The support portion 16f2 is a part of the side wall 16k formed at the edge of the front-rear pressing wall 16f1, and is provided so as to extend in the lateral direction (Y-axis direction) of the electrical component box 13. The support portion 16f2 is formed so that one end side extending in the lateral direction (Y-axis direction) of the electrical component box 13 is integrally formed with the front-rear direction pressing wall 16f1, and the other end side is integrally formed with the inner side wall portion 16a3. Since the support portion 16f2 is arranged between the front-rear direction pressing wall 16f1 and the inner side wall portion 16a3, a load is applied from the rear (from the Y2 side) to the front (Y1 side) with respect to the front-rear direction pressing wall 16f1. In such a case, the deformation of the front-rear pressing wall 16f1 due to the load is prevented. That is, the support portion 16f2 improves the strength of the front-rear pressing wall 16f1.

The vertical holding wall 16g is a wall portion formed so as to project diagonally upward from the inner side wall portion 16a3. The wall surface forming the vertical holding wall 16g is formed so as to face the second side surface portion 1b and the base 4 when the electrical component box 13 is arranged on the partition plate 7. The vertical holding wall 16g is arranged above (Z1 side) of the storage portion 22e constituting the motor support member 22 when the electric component box 13 is arranged on the partition plate 7. The vertical holding wall 16g is formed between the front-rear holding wall 16f1 and the end portion on the rear side wall portion 16a1 side in the inner side wall portion 16a3 extending in the lateral direction (Y-axis direction) of the electrical component box 13. .. Two vertical holding walls 16g are formed on the inner side wall portion 16a3 along the lateral direction (Y-axis direction) of the electrical component box 13. In the outdoor unit 100 of the embodiment, two vertical pressing walls 16g are formed on the inner side wall portion 16a3, but the number of vertical pressing walls 16g formed may be one or three or more. good. The vertical holding wall 16g is a positioning member used when determining the position of the electrical component box 13 with respect to the motor support member 22, and is guided by the storage portion 22e when the electrical component box 13 is arranged on the partition plate 7. The arrangement of the electrical component box 13 can be specified. The vertical holding wall 16g may also be configured to be brought into contact with the storage portion 22e to restrict the electrical component box 13 from moving in the vertical direction during transportation of the outdoor unit 100.

The projecting piece 16h is a plate-shaped member projecting from the inner side wall portion 16a3. The projecting piece 16h is formed on the inner side wall portion 16a3 below the vertical pressing wall 16g. The projecting piece 16h is arranged below (Z2 side) of the storage portion 22e constituting the motor support member 22 when the electric component box 13 is arranged on the partition plate 7. The protruding piece 16h is formed in the shape of a triangular plate, one side of the triangle is formed integrally with the inner side wall portion 16a3, and the other side of the triangle is an upper edge portion facing the forming side of the protruding piece 16h. To form. The protruding piece 16h is formed between the front-rear pressing wall 16f1 and the end portion on the rear side wall portion 16a1 side in the inner side wall portion 16a3 extending in the lateral direction (Y-axis direction) of the electrical component box 13. Two projecting pieces 16h are formed on the inner side wall portion 16a3 along the lateral direction (Y-axis direction) of the electrical component box 13. In the outdoor unit 100 of the embodiment, two projecting pieces 16h are formed on the inner side wall portion 16a3, but the number of projecting pieces 16h formed may be one or three or more. The projecting piece 16h is a positioning member used when determining the position of the electrical component box 13 with respect to the motor support member 22, and the upper edge portion of the projecting piece 16h is housed when the electrical component box 13 is arranged on the partition plate 7. It comes into contact with the end of the portion 22e, and the arrangement of the electrical component box 13 can be specified. In the outdoor unit 100 of the embodiment, the protruding piece 16h is formed in the shape of a triangular plate, but when the electric component box 13 is arranged on the partition plate 7, it comes into contact with the end of the storage portion 22e and is electrically operated. Other shapes may be used as long as they function as the positioning member of the product box 13.

FIG. 16 is a perspective view showing the motor support member 22 of the outdoor unit 100 of FIG. FIG. 17 is an enlarged view of the storage portion 22e of FIG. FIG. 18 is a perspective view of the top surface portion 22c of FIG. 16 as viewed from below. FIG. 19 is a top view of the motor support member 22 of FIG. The motor support member 22 is provided so as to stand up on the base 4. The motor support member 22 supports the blower 5 and is arranged between the blower 5 and the heat exchanger 10. The motor support member 22 includes a pillar portion 22h, a motor support portion 22b provided on the pillar portion 22h, a fixing portion 22d provided below the motor support portion 22b, and a ceiling provided above the motor support portion 22b. It has a surface portion 22c and.

The pillar portion 22h of the motor support member 22 is a columnar member provided inside the housing 50 so as to extend in the vertical direction (Z-axis direction) between the base 4 and the top panel 3. The motor support portion 22b is provided at a substantially central portion of the pillar portion 22h in the vertical direction (Z-axis direction), and the motor 5a of the blower 5 is supported and fixed to the motor support portion 22b. The fixing portion 22d is provided at the lower end portion of the pillar portion 22h, and is formed so as to project from the lower end portion of the pillar portion 22h in the direction of the first side surface portion 1a. That is, the fixed portion 22d is arranged below the blower 5. The fixing portion 22d is fixed to the base 4 by fastening screws or the like. The top surface portion 22c is provided at the upper end portion of the pillar portion 22h, and is a plate-shaped member formed so as to project from the upper end portion of the pillar portion 22h in the direction of the first side surface portion 1a. The top surface portion 22c is formed in a rectangular shape in a plan view of the base 4 when viewed from the vertical direction.

The top surface portion 22c has a base portion in the protruding direction connected to the pillar portion 22h. Further, in the top surface portion 22c, the tip portion 22k of the top surface portion 22c in the protruding direction is fixed to the first side surface portion 1a of the front panel 1. That is, the top surface portion 22c is arranged above the blower 5. The top surface portion 22c has a storage portion 22e at the edge portion on the machine room 9 side. The storage portion 22e is a portion formed so that a part of the edge portion of the top surface portion 22c protrudes. Further, the storage portion 22e is a portion in which the edge portion of the top surface portion 22c is bent diagonally downward toward the fixing portion 22d side. The storage portion 22e is formed on the rear side (Y2 side) close to the pillar portion 22h in the projecting direction (Y-axis direction) of the top surface portion 22c. The top surface portion 22c has a notch portion 22j formed in front of the storage portion 22e (Y1 side) in the projecting direction (Y-axis direction) of the top surface portion 22c. The cutout portion 22j is a portion in which the edge portion of the top surface portion 22c is cut out. The storage portion 22e has a storage portion top surface portion 22f and a storage portion side surface portion 22g.

The storage portion top surface portion 22f is an edge portion of the top surface portion 22c, and is a plate-shaped wall portion that is bent diagonally downward toward the fixing portion 22d side. The storage portion top surface portion 22f is a plate-shaped portion extending in the front-rear direction at the edge portion of the top surface portion 22c on the side facing the electrical component box 13, and the storage portion side surface portion 22g is formed at the front end (Y1 side). Has been done. The storage portion side surface portion 22g is a plate-shaped portion that is bent downward from the end portion of the storage portion top surface portion 22f on the notch portion 22j side in the protruding direction (Y-axis direction) of the top surface portion 22c. The side surface portion 22g of the storage portion is a plate-shaped wall portion that forms a surface in a direction substantially perpendicular to the wall surface of the top surface portion 22c. The wall surface of the side surface portion 22g of the storage portion faces the front-rear direction (Y-axis direction) of the housing 50 of the outdoor unit 100. That is, in the housing 50 of the outdoor unit 100, one surface of the side surface portion 22g of the storage portion faces the side on which the heat exchanger 10 is arranged, and the other surface of the side surface portion 22g of the storage portion faces. It faces the side on which the first side surface portion 1a of the front panel 1 is arranged. Therefore, the side surface portion 22g of the storage portion constitutes a wall portion facing the heat exchanger 10. When the electrical component box 13 is arranged on the partition plate 7, the side surface portion 22g of the storage portion abuts against the front-rear direction pressing wall 16f1 of the electrical component box 13. A fixing screw hole 22a used for screwing with the electric component box 13 is formed in the side surface portion 22g of the storage portion. The fixing screw hole 22a is a second fixing screw hole of the outdoor unit 100.

FIG. 20 is a rear view in which the side surface portion 22g of the storage portion of FIG. 17 and the front-rear pressing wall 16f1 of FIG. 15 are brought into contact with each other. When the electrical component box 13 is arranged on the partition plate 7, the storage portion 22e is covered upward and forward by the locking projection 16e of the board holder 16 and is inserted into the fixing screw hole 16d of the locking projection 16e. It is screwed to the locking projection 16e by the fixing screw 24. Then, the locking projection 16e and the storage portion 22e are fixed by the fixing screw 24. In this case, the storage portion 22e is arranged between the locking projection 16e and the heat exchanger 10. Further, a gap is formed between the storage portion 22e and the heat exchanger 10.

More specifically, when the electrical component box 13 is arranged on the partition plate 7, the storage portion 22e is arranged between the vertical holding wall 16g and the protruding piece 16h, and the storage portion top surface portion 22f is locked. It faces the vertical holding wall 16g of the protrusion 16e. Further, when the electrical component box 13 is arranged on the partition plate 7, the side surface portion 22g of the storage portion faces the front-rear pressing wall 16f1 of the locking projection 16e. When the electrical component box 13 is arranged on the partition plate 7, the fixing screw holes 16d formed in the front-rear pressing wall 16f1 of the substrate holder 16 and the side surface portion 22g of the storage portion of the motor support member 22 are formed. It communicates with the fixing screw hole 22a. Then, by the fixing screw 24 inserted into the fixing screw hole 16d formed in the substrate holder 16 and the fixing screw hole 22a formed in the motor support member 22, the front-rear direction holding wall 16f1 and the side surface portion 22g of the storage portion are formed. Are opposed to each other and fixed to each other. The front-rear pressing wall 16f1 and the side surface portion 22g of the storage portion face each other and are fixed to each other by the fixing screw 24, so that the electric component box 13 and the motor support member 22 are screwed together, and the electric component box 13 is a motor. It is fixed to the support member 22.

FIG. 21 is an exploded top view of a part of the outdoor unit 100 according to the embodiment of the present invention. The electrical component box 13 is arranged above the partition plate 7, is screwed to the partition plate 7 and the motor support member 22, and is fixed to the partition plate 7 and the motor support member 22. Here, in the outdoor unit of Patent Document 1, the partition plate 7 may bend due to an impact force when it is handled during transportation or the like, for example, when it is tilted in the front-rear direction. At that time, the electric component box may come into contact with the heat exchanger and the fins of the heat exchanger may be deformed. On the other hand, in the outdoor unit 100 of the embodiment, the top surface portion 22c of the motor support member 22 is fixed to the first side surface portion 1a of the front panel 1. Then, the electrical component box 13 is fixed to the storage portion 22e of the top surface portion 22c fixed to the front panel 1. Therefore, even if the outdoor unit 100 is tilted in the front-rear direction and an impact force is applied to the outdoor unit 100, the electrical component box 13 moves to the arrangement side of the heat exchanger 10 as shown by the arrow F in FIG. The locking projection 16e of the holder 16 and the accommodating portion 22e of the motor support member 22 suppress it. More specifically, the front-rear pressing wall 16f1 of the substrate holder 16 is supported by the housing portion side surface portion 22g of the opposing motor support member 22. Therefore, even if the outdoor unit 100 falls in the front-rear direction and an impact force is applied to the outdoor unit 100, the movement of the electric component box 13 to the arrangement side of the heat exchanger 10 is restricted. As a result, even if the outdoor unit 100 falls in the front-rear direction and an impact force is applied to the outdoor unit 100, the electric component box 13 does not collide with the heat exchanger 10.

As described above, in the outdoor unit 100 of the air conditioner, the storage portion 22e of the motor support member 22 is arranged between the locking projection 16e of the electrical component box 13 and the heat exchanger 10, and the locking projection 16e and the storage portion 22e are arranged. The storage portion 22e is fixed. Then, in the outdoor unit 100, the movement of the electric component box 13 is restricted by fixing the storage portion 22e to the locking projection 16e. As a result, in the outdoor unit 100, even if the outdoor unit 100 falls, the electric component box 13 is restricted from moving in the front-rear direction due to the impact of the fall. It is possible to prevent deformation due to the contact of 13.

Further, in the outdoor unit 100, the front-rear direction pressing wall 16f1 and the storage portion side surface portion 22g face each other and are fixed to each other. Since the storage portion side surface portion 22g constitutes a wall portion facing the heat exchanger 10, even if the outdoor unit 100 falls, the front-rear direction pressing wall 16f1 and the storage portion side surface portion 22g face each other. The side surface portion 22g of the storage portion restricts the movement of the front-rear pressing wall 16f1 in the front-rear direction. As a result, in the outdoor unit 100, even if the outdoor unit 100 falls, the electric component box 13 is restricted from moving in the front-rear direction due to the impact of the fall. It is possible to prevent deformation due to the contact of 13.

Further, in the outdoor unit 100, the front-rear direction pressing wall 16f1 and the side surface portion 22g of the storage portion are fixed to each other by the fixing screw 24 inserted into the first fixing screw hole and the second fixing screw hole. As a result, in the outdoor unit 100, even if the outdoor unit 100 falls, the electric component box 13 is restricted from moving in the front-rear direction due to the impact of the fall. It is possible to prevent deformation due to the contact of 13. Further, it is possible to restrict the electric component box 13 from moving in the vertical direction during the transportation of the outdoor unit 100.

Further, in the outdoor unit 100, the vertical pressing wall 16g and the protruding piece 16h are formed on the side wall portion 16a at a position facing the storage portion 22e. Therefore, the vertical holding wall 16g and the protruding piece 16h can function as positioning members of the electrical component box 13 with respect to the motor support member 22 when the operator attaches the electrical component box 13 to the partition plate 7.

Further, in the outdoor unit 100, the storage portion 22e is arranged between the vertical pressing wall 16g and the protruding piece 16h. Therefore, the storage unit 22e can function as a positioning member of the electrical component box 13 with respect to the motor support member 22 when the operator attaches the electrical component box 13 to the partition plate 7.

Further, in the outdoor unit 100, when the electric component box 13 is attached to the partition plate 7, the storage portion top surface portion 22f faces the vertical pressing wall 16g. The vertical holding wall 16g is restricted from moving downward by facing the top surface portion 22f of the storage portion. Therefore, the outdoor unit 100 can regulate the movement of the electrical component box 13 in the vertical direction during transportation.

Further, the outdoor unit 100 has a side wall 16k on the peripheral edge of the surface of the front-rear pressing wall 16f1 opposite to the surface facing the side surface portion 22g of the storage portion. Therefore, the outdoor unit 100 can improve the strength of the front-rear pressing wall 16f1.

The embodiment of the present invention is not limited to the above embodiment. For example, the fixture for fixing the front-rear pressing wall 16f1 and the side surface portion 22g of the storage portion to each other is not limited to screws, and may be any fixture that can fix the wall portion and the wall portion, for example, a rivet or the like. You may.

1 Front panel, 1a 1st side surface, 1b 2nd side surface, 1c outlet, 2 back panel, 2a 3rd side surface, 2b 4th side surface, 2d service cover, 3 top panel, 4 Base, 4a legs, 5 blowers, 5a motors, 5b propeller fans, 6 fan guards, 7 dividers, 7a hook straight parts, 7b upper edges, 7c burring holes, 8 blower rooms, 9 machine rooms, 10 heat exchangers 10a heat transfer tube, 10b fin, 11 compressor, 12 refrigerant pipe, 13 electrical component box, 14 control board, 15 heat sink, 15a plate-shaped part, 15b fin, 16 board holder, 16a side wall part, 16a1 rear side wall part, 16a3 Inner side wall, 16b frame, 16c partition plate hook, 16d fixing screw hole, 16e locking protrusion, 16f protrusion, 16f1 front-rear holding wall, 16f2 support, 16g vertical holding wall, 16h protruding piece, 16k side wall, 17 Heat sink support, 17a frame body, 17b side wall, 17c opening, 17d vertical wall, 17d1 mounting surface, 17e fixing screw hole, 19 heat sink holder, 20 electrical box cover, 21 terminal block support, 22 motor support member , 22a fixing screw hole, 22b motor support, 22c top surface, 22d fixing part, 22e storage part, 22f storage part top surface part, 22g storage part side surface part, 22h pillar part, 22j notch part, 22k tip part, 23 fixing screw , 24 fixing screws, 50 housings, 100 outdoor units.

Claims (6)

The housing that constitutes the outer shell of the outdoor unit and
A partition plate provided inside the housing and separating the space inside the housing into a blower room for accommodating a heat exchanger and a blower and a machine room for accommodating a compressor.
An electrical box that houses the electronic components that control the outdoor unit and is attached to the partition plate,
A motor support member that supports the blower and is arranged between the blower and the heat exchanger.
With
The electric goods box is
It has a board holder for storing the control board to which the electronic components are attached, and has a board holder.
The board holder
The side walls forming the four sides form a rectangular frame, and the substrate holder has a locking projection protruding into the blower chamber.
The locking projection is
It has a front-rear pressing wall that constitutes a plate-shaped wall portion that projects and extends in the direction perpendicular to the side wall portion.
The motor support member is
It has a plate-shaped top surface portion arranged above the blower, and has a plate-shaped top surface.
Before Symbol top surface portion,
It has a storage portion formed so that a part of the edge portion of the top surface portion protrudes.
The storage unit
Is disposed between the heat exchanger and the locking projection has a housing portion side portion constituting the wall portion facing the heat exchanger,
An outdoor unit of an air conditioner in which the locking projection and the storage portion are fixed by the front-rear pressing wall and the side surface portion of the storage portion facing each other and being fixed to each other. A first fixing screw hole is formed in the front-rear holding wall.
A second fixing screw hole is formed on the side surface of the storage portion.
By the fixing screw inserted into the first fixing screw hole and the second fixing screw hole
The outdoor unit of the air conditioner according to claim 1 , wherein the front-rear pressing wall and the side surface portion of the storage portion are fixed to each other. The locking projection is
A vertical holding wall constituting a wall portion that projects diagonally upward from the side wall portion, and
A protruding piece formed below the vertical holding wall and
Have,
The outdoor unit of the air conditioner according to claim 1 or 2 , wherein the vertical holding wall and the protruding piece are formed on the side wall portion at a position facing the storage portion. The storage unit
The top surface portion of the top surface portion has a storage portion top surface portion that extends in the front-rear direction at the edge portion on the side facing the electrical component box and has the side surface portion of the storage portion formed at the front end portion.
In a state where the electrical component box is attached to the partition plate,
The outdoor unit of the air conditioner according to claim 3 , wherein the top surface portion of the storage portion is arranged between the vertical holding wall and the protruding piece. Prior Symbol electrical component box is attached to the partition plate state,
The outdoor unit of the air conditioner according to claim 4 , wherein the top surface portion of the storage portion faces the vertical holding wall. The longitudinal direction of the pressing wall, the housing part side surface portion and the air conditioner outdoor unit as claimed in any one of claims 1 to 5 having a side wall to the peripheral portion of the surface opposite to the surface opposed to ..

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