JP3535843B2 - Outdoor unit of air conditioner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [0001] TECHNICAL FIELD The present invention relates to an outdoor air conditioner.
Related to the unit, and in particular,
The present invention relates to an improvement in a configuration of a gas box. [0002] 2. Description of the Related Art A commonly used air conditioner is an air-conditioned room.
Indoor units that are installed in
And an outdoor unit.
Or electrical wiring or the like. [0003] The outdoor unit includes an outdoor heat exchanger,
Compressors, valves such as four-way valves, blowers, compressors and blowers
A power supply for housing electrical control parts for electrically controlling the blower, etc.
A gas box is provided. [0004] Recently, pressure control has been performed as a refrigeration cycle control.
Frequency control of compressors has become common, and
Electrical control parts are CPU, capacitor, transformer, rectifier
As switching transistors for transformers and inverters
Giant transistors (hereinafter referred to as GTR)
), Control board (PC board) and many other parts
Is done. [0005] In particular, the above-mentioned GTR has a switching action.
A large amount of heat is dissipated in the sealed electrical parts box.
Inside the box, the inside of the box becomes extremely hot, and of course
Of course, other electrical control components are adversely affected by heat. Therefore, a radiator is provided on the outer surface of the electric component box.
Is provided to efficiently dissipate the heat of the G / TR.
ing. The radiator is made of aluminum with excellent heat conductivity
Made of material and obtained by extrusion. [0007] As described above, the heat radiator and the radiator are not used.
All the above electric control parts are housed in the electric parts box.
The basics are: [0008] However, for example, the present applicant has
As disclosed in US Pat. No. 5,251,795, a relatively large
Capacitors, rectifiers and G / TR
Are not mounted on the control board. [0009] This is related to the arrangement space of the electric parts box.
The electrical parts box vertically and horizontally.
Controlled to form a thin box in plan view, short in the direction of the direction
This is because the substrate is stored in an upright state. That is, the control board is enlarged vertically and horizontally.
From the place where it is housed in a thin box-shaped electrical component box.
Large capacitors, rectifiers and electricity for G / TR
Control components cannot be mounted, these are placed separately
And electrically connected to each other via lead wires
I have. [0011] For this purpose, a control board and a device mounted here are mounted.
The number of lead wires between the electrical control parts and
Wiring processing is troublesome, and the layout of the control board
The degree of freedom in the size of the electrical parts box itself is hindered
I have. In addition, the control board and the G
・ Always placed in the same direction as TR or capacitor
And efficiently cools the electrical control components in all electrical component boxes.
Many cooling slits must be opened for
No, and if there are many slit openings, it will go into the electrical parts box
Intrusion of dust increases. As described above, the cooling of the inside of the electric parts box is performed.
Ensuring sufficient efficiency will prevent dust from entering the box.
There were problems such as difficulty in stopping. The present invention has been made in view of the above circumstances.
The purpose is to reduce the size of electrical parts boxes.
Facilitates and cools the electrical control components housed inside
Control board to improve the efficiency and prevent dust from entering.
Assembly and service work to reduce stress on
Outdoor of an air conditioner equipped with an electrical component box that can improve
It is intended to provide a unit. [0015] In order to satisfy the above-mentioned object,
The outdoor unit of the air conditioner of the present invention is
Left and right inside the unit bodyTwo roomsDividing into partitions
And a room accommodated in one room divided by this partition plate
An outdoor heat exchanger and an outdoor heat exchanger.
Blower,DividedThe compressor housed in another room
The compressor and the blower
Electric control parts for drive control of etc.Control that implements
substrateAnd an electric component box for accommodating the
In the outdoor unit of the air conditioner,
Is the upper endIs cut out, and the above electrical parts box is
It is formed into a thin box that is large in the left and right direction and the depth direction.
Notch of the partition plateAt the upper end and the unit
Left and right two chambers divided by a partition in the main bodyAt the top
It is placed across the inside of the electrical component boxBe contained
The control board is located on the bottomRectifier and inverter switches
Electric control with large heat generation such as switching transistors
Parts and other components such as CPUs, capacitors, transformers, etc.
Electrical controlThe components are mounted and the control board is a partition
Straddling the left and right two rooms divided byIt is characterized by. [0016] [0017] [0018] [0019] [0020] [0021] [0022] [0023] [0024] [0025] [0026] [0027] [0028] [0029] [0030] [0031] [0032] [0033] [0034] By providing means for solving the above problems,
In the invention of claim 1,Rectifier and inverter
Electrical control that generates a large amount of heat, such as switching transistors
Other components such as CPU, capacitor, transformer, etc.
Electrical control partsIs mounted on the lower side of the control board, and the wiring
Simplification of the process, assembling operability and
Serviceability and all electrical control components
Is facing downwards where the airflow passage in the box is formed
It is not necessary to set up a complicated airflow passage,
The cooling efficiency is improved without increasing the number of openings. The electric component box itself is also a thin box in the vertical direction.
And the degree of freedom of arrangement in the outdoor unit increases. [0037] [0038] [0039] [0040] [0041] [0042] [0043] [0044] BRIEF DESCRIPTION OF THE DRAWINGS FIG.
A description will be given with reference to a plane. FIG. 6 shows an outdoor unit constituting the air conditioner.
Show In the figure, 1 is a unit body which is an outer casing,
Front panel 3 and top plate provided with blowout grill 2
4, a side plate 5, a back plate 6,
Here, a combination with a divided body in which a bottom plate (not shown) is integrated
Combine. The inside of the unit body 1 is separated by a partition plate 7.
Split into left and right roomsIs done.By the above partition plate 7Divider
The one room 8a along the one side plate 5 and the back plate 6
And an outdoor heat exchanger 9 formed in a flat L-shape.
You. In the remaining space, the blower 10 is arranged.
It is. [0047]By the partition plate 7In the separated other room 8b
Is provided with a compressor 11 and is connected to the compressor 11
Piping 12 and valves 13 such as a four-way valve and an expansion valve (not shown)
Is accommodated. The side plate 5 facing the chamber 8b has
A cover plate 14 for covering a packed valve not shown
Attached. The upper end of the partition plate 7 is notched.
The electric component box 15 is placed in the cutout 7a.
You. The electric component box 15 is thin in the vertical direction,
And a large thin box shape in the depth direction. One end of the electric component box 15 is separated from the partition plate 7 by one end.
It extends to the vicinity of the blower 10 on the side of the room 8a, and the other end is
The compressor 11 of FIG. You
That is, the electric component box 15 is partitioned by the partition plate 7.
In the unit body 1Left and right two rooms8a, 8b
It will be arranged in a way. Further, the electric component box 15 will be described in detail.
I do. As shown in FIG. 1, this electric component box 15
On the undersideFor rectifier and inverter switching
Electric control components and other devices that generate a large amount of heat, such as transistors
And other electrical controls such as CPU, capacitor, transformer
Parts,Control board on which all electric control components S are mounted
P and a component box body 16 for mounting and supporting the control board P
And The component box body 16 has the upper end
An assembly made of a resin mold material for mounting and supporting the control board P
And an outer peripheral surface of the mounting support 17.
And downwardly directed electricity with the mounting support
A case 18 made of a metal plate for housing the control component S
And upper surfaces of the mounting support 17 and the case body 18.
And a lid 19 that covers the Therefore, the upper surface of the control board P
Of the electric control part S is not exposed,
Attachment leg of the electric control part S to be soldered
Is omitted), but is only exposed. As shown in FIG. 3, the control board P
Is an electrical control that generates a large amount of heat on one side of its longitudinal direction.
The G / TR that is the part S and the G / TR
Thus, a rectifier (rectifier) is implemented. The calorific value of these G / TR and rectifier
The heat generated from the large electric control part S is as much as possible
In order not to take it inside the box body 16,
Is mounted in a state where it protrudes to some extent from the side of the control board P.
It is. On the outer surfaces of the GTR and the rectifier S,
A heat-sensitive adhesive is applied, and the radiator 20 is adhered.
You. Further, a plurality of mounting screws 21 are inserted into the radiator 20.
Through the G / TR and the rectifier S
Is attached to the supporting portion 22 of the first member. In this state, the upper end of the radiator 20 and the control board P
A gap will be formed between the side edge and
Dust may enter the parts box body 16 from the gap.
U. Therefore, in the gap between the radiator 20 and the edge of the control board P side,
A gap seal 23 made of a resin molding material is provided to
The space is completely closed to prevent dust and the like from entering. The radiator 20 is formed by pressing an aluminum material.
It is a molded product and a plurality of cooling fins 20a are integrated.
It is protruded. These cooling fins 20a...
0 and protrude over the entire length in the width direction.
The cooling fins are spread radially.In this way,
Heater 20 is one in which outdoor heat exchanger 9 and blower 10 are arranged.
The cooling fins 20a are located in the chamber 8a.
In the chamber 8a. The electric circuit mounted on the lower surface of the control board P
As the air control component S, the amount of heat generated by a rectifier or G / TR
The large electric control part S is composed of the outdoor heat exchanger 9 and the blower 10
It is mounted at a position facing the one room 8a to be disposed,
U, capacitors, transformers, etc.
The air control component S is connected to the other chamber 8b in which the compressor 11 is disposed.
It will be mounted at the opposing position. As shown in FIG. 2, the mounting support 1
7 is formed in a rectangular frame shape in plan view, and its inner dimension is
It slightly exceeds the external dimensions of the control board P. Longitudinal direction
17a and 17b along the edge are only steps at one side end.
A cutout a is formed. On the other side, from the lower edge to the upper edge
An inverted U-shaped notch b is provided near the portion. The inner side of these side portions 17a, 17b
At a position slightly below the top edge, parallel to the top edge
The board receiving piece part 24 is provided in a protruding manner. This board receiving piece 2
4 is appropriately interrupted, and is hooked in the direction of the upper edge.
Is protruded. The hooking claw portion 25 and the substrate receiving piece portion 24
Is substantially equal to the thickness of the control board P. The side surface 17c has an inner surface along the upper edge.
The presser piece 26 is protruded. Height position of presser piece 26
Coincides with the height position of the hooking claw 25. This side
The vertical dimension of the surface portion 17c is the same as that of the end of the step-shaped notched portion a.
Smaller than the vertical dimension. The opposite side portion 17d is provided on both sides 1
Although they have the same vertical dimensions as 7a and 17b,
Only the both ends are left immediately, and most of the openings are C-shaped.
Is provided. The lower surface of the side portion 17d has a top view.
A rectangular outlet 27 is protruded. Only shown in Figure 4
As described above, the opening of the outlet body 27 is directed inward,
Baffle plate 2 that guides only air and prevents water and dust from entering
8 are provided. As shown in FIG. 2 again, the lower end of the side portion 17d
A plurality of crosspieces 29 project from the lower ends of both side portions 17a and 17b.
And intersect approximately at the center of the mounting support 17.
Some of the ridges 29 are bent upward, and the side portions 17a, 1
7b and 17d are reinforced. These bezels 29 are
From the state, it is called a rectifier. Attachment support at the crossing position of the rectifying section 29
At a substantially central portion of the body 17, a column 30 protrudes upward.
Is done. The height position of the upper end edge of the column 30 is
It coincides with the height position of the receiving piece 24. On the other hand, the outer side of the both side portions 17a, 17b
At a position lower than the upper edge by a predetermined distance, parallel to the upper edge
, A case receiving piece 31 is protruded. This case receiving piece
The portion 31 is provided as a break as appropriate, and is provided on the side of the stepped portion a.
Extends perpendicularly to the case receiving piece 31 to the lower edge.
Positioning step portions 32 are continuously provided. Further, a plurality of side surfaces 17a and 17b
Are provided at predetermined intervals. on the other hand
Only the side surface portion 17b of this outer surface side, from the vicinity of the upper end portion to the lower side
A not-shown concave portion having a predetermined width is formed over the edge. Only the side 17b and the side 17c,
A pair of holding portions 34 and 35 are provided at the upper ends, respectively. This
These holding parts 34 and 35 are separated from the upper edge of the mounting support 17.
It protrudes upward. The above-mentioned control base is attached to the mounting support 17.
The plate P is mounted and supported. That is, all electric control units
Control board P on which the product S is mounted
So that the control board P is on top and
The two lower sides on the lower side, which are both side edges of the substrate,
Placed on top. In this state, three sides on the upper surface side of the control board P
Is held down by the hooking claw 25 and the holding piece 26.
You. At this time, it is already mounted on one side of the control board P.
The radiator 20 is attached to the GTR
These are the openings c in the mounting support side surface 17d.
Fit into. Both sides of one side of control board P are open
c Positioned on the side 17d on both sides to position the control board P
Is done. The above-mentioned support section 30 holds the control board P from below.
To support. Therefore, many electrical control components to be mounted
S to prevent the control board P from bending and deforming,
Failure can be reliably prevented. The holding parts 34 and 35 are provided with electric control parts S
Lead wire (compressor lead, fan motor
Lead, sensor lead, case thermo lead, four-way valve lead
And others are bundled together and stored. But
The wiring process around the electrical parts box 15 is clear
Obtained in a state. On the other hand, the case body 18 is formed as shown in FIGS.
As shown in FIG. 4, the lower surface 18a and both sides along the longitudinal direction
Surface portions 18b and 18c, and both side portions 18 along the lateral direction
d, 18e. The total length of both side portions 18b and 18c is
Side surface portion 17 of attachment support 17 on which outlet body 27 is provided
d to the positioning step 32 of both side portions 17a and 17b.
Length dimension. Its height is 1
From the case receiving piece 31 of 7a, 17b to this lower edge
At least coincides with the height dimension of
There may be. The total length dimension of both side portions 18d and 18e is
Overall length of both sides 17c and 17d of the mounting support 17
Matches. The height dimension will be described later. The side portions 18b and 18c are respectively
A pair of hooking claws 36, 36 are provided at the upper end of the
And a plurality of rectangular engaging holes at predetermined intervals.
Are provided. As viewed on one side 18b, it is extruded in an R shape.
The formed extrusion part 38 is provided. This extruded part 38
The lower end 18a side end is opened, and the upper end is bag-shaped.
Is closed. Therefore, the lower end opening of the pushing portion 38
The air can flow freely into the case 18. From the pushing part 38 to the side part 18e side end
And a row of internal air outlet slits 39
It is. The slit 39 for leading out the internal air is provided in the pushing section.
Opened toward. In other words, for deriving internal air
An extrusion portion 38 is provided in front of the slit 39 in the air outflow direction.
Will be done. Only the opposite side portion 18c has a rectangular recess.
40 is recessed. The width of the recess 40 is
FIG. 7 is a view provided on a side surface portion 17b of the mounting support 17.
Not match the width of the recess. The side portion 18d is folded from the lower portion 18a.
It is bent and its bending width is half of the side parts 18b and 18c.
Only the following is open to the other parts. This side part 18
A pair of triangular cut-and-raised portions 41 is provided at d.
The base end of the SL connector mounting plate 42 is inserted into the
It is fixed with screws. The SL connector mounting plate 42 is
The part that is attached to the body side
A portion extending flush with the lower surface portion 18a of the base body,
Part that extends toward
The SL connector 43 is attached to each minute. The opposing side surfaces 18e are only inside both side ends.
It is folded to the side and the rest is open. And under this
The edge extends from the lower surface 18a and is narrower than the side 18e.
The hook 44 is bent in parallel with a small gap.
ing. A rectangular projection 45 is formed on the lower surface 18a.
The protrusion is formed on the outer surface (lower surface) side. This protruding surface portion 45
It is provided along the side surface portion 18c,
To the side 18d, which is almost half the space
Slits 46 for introducing cooling air are provided in a row. The lower surface 18a is parallel to the slit 46.
A row of slits 47 for introducing cooling air of the same shape
Is provided. Both slits 47 have the above SL connector
At the position close to the
Opening faces the SL connector mounting plate. Further, on the lower surface portion 18a, the side surface portion 18 is provided.
A rectangular opening 48 is provided along e. This opening
L-shaped pressing pieces 49, 49 are provided on both sides of the outer portion 48
Formed. With the case body 18 thus formed,
And the outer surface of the mounting support 17 is covered as described above.
It is attached as if it were. That is, the case body side surfaces 18b, 18
The plurality of engaging holes 37 of c.
Are inserted into the hooking projections 33 provided at the opposite positions.
You. The concave portion 40 of the case body side portion 18c is a mounting support.
17 and engages with a not-shown concave portion. In this state,
The upper end edges of 18b and 18c are mounting support case receiving piece portions 3.
1 and the side edge is hooked on the positioning piece 32.
You. Further, the case body side part 18e is attached.
The support 17 is engaged with the opposing side surface 17d. The other
Side portion 18d is engaged with the mounting support lacking portion a,
The lower surface portion 18a closes the lower surface opening excluding the missing portion a.
You. Therefore, in particular, mounting fixtures such as screws are required.
Without using, the case body 18 is attached to the mounting support 17.
And the case body 18 is
Accurate positioning in both the
It is engaged in the state that was done. At the same time, the case body hooking portion 44 is
Radiator that is hung on the lower end of the vessel 20 and between the side face 18e
Hold the 20 ends. Opening 4 of case body lower surface 18a
A mounting support outlet 27 is inserted into 8. Opening
The holding piece portions 49, 49 on both sides of the portion 48 are
It is positioned on the projecting lower surface to perform positioning. Of the outlet body 27
The opening protrudes from the case body lower surface 18a, and
Slits 46 and 47 and SL connector mounting plate
Opened in 42 directions. A projection 45 is provided on the same lower surface 18a.
Therefore, the electricity mounted on the control board P and directed downward is
The contact with the control component S is prevented, and
A gap is formed, where cooling air is guided smoothly and electricity
Improve the cooling efficiency of control components. Further, as shown in FIG.
From the setting of the length in the longitudinal direction between the mounting support 8 and the mounting support 17,
One end of the attachment support 17 is outside the end of the case body 18
And overhangs partially. Then, the side portions 17c and 18d are
Opening in overhang part from vertical dimension setting
50 are formed, a part of the control board P and the electric control parts S
A part will be exposed. Utilizing this opening 50
Power cord connected to the electric control component S
Extends from the component S to the SL connector 43 and is connected
Lead wire is inserted. In this way, the cable is attached to the mounting support 17.
The upper surface of the control board P is completely
Exposure to The lid 19 is an upper surface exposed portion of the control board P.
Shield. The lid 19 is shown in FIGS. 1 and 4.
A rectangular shape corresponding to the upper surface opening of the mounting support 17
And a fold around the upper surface portion 19a
And side portions 19b to 19e formed by turning back.
You. The upper surface portion 19a is provided with four
Are provided. Both sides 19b, 19
c has the same bending width and has one side surface portion 19c.
Installed with the lid 19 installed in the case 18
For escaping contact with the support holders 34, 34
A relief portion (not shown) is provided. The side portions 19d are bent at both ends.
From the minute and the part that is slightly bent from the upper surface 19a.
Become. The opposing side surface portion 19e is bent from the upper surface portion 19a.
This bending width is formed on both sides 19b and 19c.
Is shorter than the bending width of the opposite side portion 19e.
It is too big. The inner surface of the lid 19 is shown in FIGS.
The insulating sheet 52 shown in FIG. The above insulation sheet
52 is an upper surface portion 5 having the same shape area as the lid upper surface portion 19a.
2a and a side surface portion 52b having the same bending width as the lid side surface portion 19d
To 52d and a side portion having the same shape as the lid side portion 19e.
52e. One side of the upper surface 52a is projected upward.
Rectangular projection 53 is provided, and the remaining space is further provided.
Are provided with three circular projections 54 in the vertical and horizontal directions.
You. The protruding heights of these projections 53 and 54 are the same as each other.
is there. Note that between the insulating sheet 52 and the control board P
A sheet 55 that is difficult to track is interposed in
The sheet is attached to the insulating sheet 52 side. Then, each side surface 52b of the insulating sheet 52
Through 52e do not have corresponding side portions 19b of the lid 19.
19e is hooked on the inner surface side. Circular projection 54 ...
Circular projections 51 of the lid upper surface portion 19a
Thus, the insulating sheet 52 is reliably positioned. The lid 19 on which the insulating sheet 52 is hung is
The mounting support 17 to which the control board P is mounted, and a casing
It is attached to the base body 18. That is, the lid side
The part 52e faces the radiator 20 mounting side.
I will cover you. The inner surfaces of both side portions 19b and 19c of the lid are attached.
Case receiving portion 31 of the support side surfaces 17a and 17b.
And the outer surfaces of the case body side portions 18b and 18c, and
The outer surface is made elastic by the case hooks 36.
It is held down. The inner surface of the lid side surface portion 19d is on the mounting support side.
Retained on the outer surface of the surface portion 17c and provided there
It is inserted in the gap between the parts 35, 35. Opposite side parts 1
9e is engaged with the end of the radiator 20 and is on the case body side.
It protrudes slightly from the surface 18e. However, this protruding side
The gap seal 23 is a gap between the radiator 20 and the control board P.
, So there are no gaps inside. In this case as well, attachment and detachment of the lid 19 is extremely easy.
You. That is, when the cover 19 is attached, the opening is provided.
Hold down the side part 19e to be fitted to the radiator 20 side.
If it is, mounting is completed with one touch. Remove the lid 19
Push the protruding part of the lid 19 on the radiator 20 side
If it comes off easily. The insulating sheet 52 is provided with
Each of the projections 53, 54,...
And withstands the pressure from the top of the lid 19 in this state
be able to. [0106] Such an electric component box 15 is first shown in FIG.
As described, the partition plate 7 is placed on the upper end. Heat dissipation
Is sent together with the heat exchanger 9 to the chamber 8a where the heat exchanger 20 projects.
The blower 10 is arranged, and it is
The air blows toward the blow grill 2 of the face panel 3. Therefore, the pressure in the chamber 8a is reduced to a negative pressure,
Cooling air is sent to the vessel 20 to obtain a sufficient heat radiation effect.
Can be Moreover, the radiator 20 projects over the entire length in the width direction.
The cooling fins 20a are radially spread from each other.
Air flow between the fins increases,
Provides full heat dissipation. The case body side portion 18 located in the chamber 8a
b, the radiation was released from the electric control component S through the slit 39.
The air inside the component box body 16 heated to high temperature is led out, and
To prevent the temperature from rising. In addition, the extruding is performed in the opening direction of the slit 39.
A protruding portion 38 is provided.
With the product box 15 placed in the unit body 1, the front panel
Since it is pressed against the flannel 3, the case body side portion 18b side
Communication between the chambers 8a and 8b at the opening is opened, and the slit 39 is opened.
Prevents air from entering the unit. Outlet projecting from case body lower surface 18a
From the body 27, the heated air inside the component box body 16
leak. The baffle 28 provided at the opening of the outlet 27
Water and dust can be prevented from entering, and these
It does not adhere to the control part S and contributes to improvement in reliability. Further, it is provided on the case body lower surface portion 18a.
Cooling air is supplied from the two rows of slits 46 and 47 to the parts box body
16 to cool the electric control parts S and raise the temperature
To block. These slits 46 and 47 are provided in the SL connector.
Opening facing the mounting plate 42.
The SL connector mounting plate 42 is located on the air introduction side. I
The mounting plate 42 is bent obliquely downward,
SL connector mounting plate is connected via slits 46 and 47
Draining function that prevents water droplets from entering the product box body 16
Having. In particular, the reinforcement provided on the mounting support 17
The rectifying unit 29 also serving as
Rectifying the cooling air introduced into the parts box body 16
Guided to the electric control part S, which further improves cooling efficiency
I do. As described above, the electric component box 15 has the chamber 8a and the
And the slit 46 on the side of the chamber 8b,
Cooling air is guided into the box from 47 and opening 50, and rectified
The outlet 29 on the side of the chamber 8a is rectified by the portion 29 and
Since the air flows out from the slit 39, the control board
The electric control part S on P forms an air flow passage in the box.
Cooling that flows inside the box, coupled with its downward orientation
The use air efficiently cools the electric control component S. The interposition between the cover 19 and the control board P
Material resistant to tracking on the control board P side of the edge sheet 52
Of the insulating sheet 52,
May come in contact with the control board P,
Can withstand. The electric control unit is provided in the insulating sheet 52.
The control board P on which the product S is mounted is housed and sealed with resin as it is.
Then, it may be integrated with the control board P. In this state,
The soldering portion of the air control component S to the control board P is completely
The structure is extremely resistant to salt damage because it is sealed with resin.
Become. [0117] As described above, according to the first aspect of the present invention,
According toSwitching transformers for rectifiers and inverters
Electrical control parts, such as transistors, which generate a large amount of heat, and C
Other electrical control components such as PU, capacitor, transformer
All electrical control components are mounted on the bottom side
In the electrical parts boxWiring process is easy
For assembly work and service as an electrical parts box.
Easy to screw and all electrical control parts are in the box
Air passage is formed downwards,
There is no need to set up rough air passages.
Even if it does not increase, it has the effect of improving cooling efficiency
You. [0118] [0119] [0120] [0121] [0122] [0123] [0124]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of an electric component box, showing an embodiment of the present invention. FIG. 2 is a perspective view of a mounting support constituting the electric component box, showing the embodiment. FIG. 3 is an exemplary perspective view of the embodiment, in which a radiator is disassembled from a control board and a mounting support; FIG. 4 is an exemplary perspective view of the electric component box showing the embodiment; FIG. 5 is an enlarged longitudinal sectional view of the insulating sheet showing the embodiment. FIG. 6 is a perspective view showing the embodiment, in which a part of the outdoor unit of the air conditioner to which the electric component box is attached is cut away. [Description of Signs] 11: Compressor, 9: Heat exchanger, 10: Blower, 1: Unit body, 15: Electric parts box, S: Electric control parts, P: Control board, 16: Parts box body, 20: Radiator, 20a: cooling fin, 23: gap seal, 17: mounting support, 18: case body, 30: support, 29: rectifying part, 34, 35: holding part, 47: (for introducing cooling air) 45, protruding surface portion, 46, slit for cooling air introduction, 42, SL connector mounting plate, 48, case body opening, 27, outlet body, 39, slit for internal air outlet, 38, extrusion portion 19, a lid, 52, an insulating sheet, 54, 55, a protruding portion, 55, (a tracking difficult) sheet.

Claims (1)

(57) [Claims] [Claim 1] A partition plate that divides the inside of a unit main body into two chambers on the left and right, an outdoor heat exchanger housed in one chamber divided by the partition plate, and this outdoor heat exchange A blower arranged opposite to the compressor, a compressor housed in another divided room, and electric control parts for driving and controlling the compressor, the blower, etc., which are arranged in the unit main body, are mounted. An outdoor unit of an air conditioner, comprising: an electric component box that accommodates a control board; wherein the partition plate has a notch at an upper end, and the electric component box is thin in a vertical direction and has a horizontal direction. It is formed in the shape of a large thin box in the depth direction, is arranged at the notched upper end of the partition plate, and straddles the upper end of the left and right two chambers divided by the partition plate in the unit main body. Inside The control board is Yong, this
On the lower surface side of the control board, electric control parts such as a rectifier and a switching transistor of an inverter, which generate a large amount of heat, and other electric control parts such as a CPU, a capacitor, and a transformer are mounted. An outdoor unit of an air conditioner characterized by straddling two divided right and left chambers.