Technical Field
[0001] The present invention relates to a terminal block securing device of an outdoor unit.
Background Art
[0002] In a related-art outdoor unit of an air-conditioning apparatus, components such as
a compressor, a heat exchanger, and fan are housed in a housing. In this outdoor unit,
the fan is driven to supply outside air to the heat exchanger and the compressor is
operated to circulate refrigerant of a refrigeration cycle. A power source for operating
the compressor, the fan, and so forth is supplied to a terminal block of the outdoor
unit or an indoor unit through power wiring from the outside. Furthermore, the outdoor
unit and the indoor unit are connected to each other through signal wiring for control
and connection wiring for the power, and these types of wiring are also connected
to the terminal block (see, for example, Patent Literature 1).
Citation List
Patent Literature
[0003] Patent Literature 1: Japanese Unexamined Patent Application Publication No.
2003-294272
Summary of Invention
Technical Problem
[0004] In such a related-art outdoor unit, a plurality of terminal blocks are arranged on
a flat plate-shaped terminal block securing plate. Accordingly, when the number of
indoor units connected to the outdoor unit is increased or external signals (for example,
demand signals of a power usage amount monitoring board or control signals of a home
energy management system (HEMS) or the like) are connected as extended functions,
the number of terminal blocks two-dimensionally increases.
[0005] When the number of terminal blocks two-dimensionally increases on the terminal block
securing plate, various types of wiring are connected to the terminal blocks while
being superposed on one another. This arises a problem in that the wiring becomes
complex, and accordingly, work efficiency is degraded. Furthermore, the dimension
of the terminal block securing plate in the horizontal direction varies depending
on the number of terminal blocks. This also arises a problem in that components of
the outdoor unit including the housing of the outdoor unit cannot be standardized.
[0006] The present invention has been made in view of the above-described problems. An object
of the present invention is to improve work efficiency by preventing wiring from becoming
complex during connection of various types of wiring to a plurality of terminal blocks
and to standardize components of an outdoor unit by fixing the dimension of a terminal
block securing plate in the horizontal direction. Solution to Problem
[0007] An outdoor unit according to the present invention includes a first terminal block
and a second terminal block that are arranged in a vertical direction. The outdoor
unit also includes a terminal block securing device that includes a first terminal
block securing plate to which the first terminal block is attached and a second terminal
block securing plate to which the second terminal block is attached. The terminal
block securing device has a first securing surface of the first terminal block securing
plate to which the first terminal block is secured and a second securing surface of
the second terminal block securing plate to which the second terminal block is secured.
The first securing surface and the second securing surface are set at different angles.
Advantageous Effects of Invention
[0008] With the outdoor unit according to the present invention, work efficiency is improved
by decreasing the likelihood of the wiring becoming complex during connection of various
types of wiring to the plurality of terminal blocks, and the components of the outdoor
unit can be standardized.
Brief Description of Drawings
[0009]
[[Fig. 1] Fig. 1 is a perspective view of an outdoor unit according to Embodiment
1.
[Fig. 2] Fig. 2 is a side view of the outdoor unit according to Embodiment 1.
[Fig. 3] Fig. 3 is an exploded perspective view of the outdoor unit according to Embodiment
1.
[Fig. 4] Fig. 4 is a perspective view of a controller unit of the outdoor unit according
to Embodiment 1.
[Fig. 5] Fig. 5 is a perspective view of the controller unit of the outdoor unit according
to Embodiment 1 when seen at a different angle from an angle at which the controller
unit is seen in Fig. 4.
[Fig. 6] Fig. 6 is an exploded perspective view of the controller unit of the outdoor
unit according to Embodiment 1.
[Fig. 7] Fig. 7 is an exploded perspective view of a terminal block securing device
of the outdoor unit according to Embodiment 1.
[Fig. 8] Fig. 8 is a perspective view of a second terminal block securing plate of
the outdoor unit according to Embodiment 1.
[Fig. 9] Fig. 9 is a front view of the terminal block securing device of the outdoor
unit according to Embodiment 1.
[Fig. 10] Fig. 10 is a rear view of the terminal block securing device of the outdoor
unit according to Embodiment 1.
[Fig. 11] Fig. 11 is a view of an A-A section of the terminal block securing device
of the outdoor unit according to Embodiment 1.
[Fig. 12] Fig. 12 is a perspective view of the second terminal block securing plate
of the outdoor unit according to Embodiment 1.
[Fig. 13] Fig. 13 is a sectional view of the second terminal block securing plate
of the outdoor unit according to Embodiment 1.
Description of Embodiments
[0010] An outdoor unit of an air-conditioning apparatus according to the present invention
will be described below with reference to the drawings.
[0011] The configuration of the outdoor unit described below is only an example. The outdoor
unit according to the present invention is not limited to such a configuration. Also,
in each of the drawings, the same or similar elements are denoted by the same reference
signs or denoting such elements with signs is omitted. Furthermore, illustration of
detailed structures is simplified or omitted where appropriate. Furthermore, duplicated
or similar description is simplified or omitted where appropriate.
Embodiment 1
[0012] An outdoor unit according to Embodiment 1 is described with reference to Figs. 1
to 13.
<Configuration of the Outdoor Unit>
[0013] Fig. 1 is a perspective view of the outdoor unit according to Embodiment 1.
[0014] Fig. 2 is a side view of the outdoor unit according to Embodiment 1.
[0015] Fig. 3 is an exploded perspective view of the outdoor unit according to Embodiment
1.
[0016] As illustrated in Fig. 1, a housing 1 of the outdoor unit is formed of sheet metal
and has a substantially rectangular parallelepiped shape.
[0017] Roughly, the housing 1 includes a top panel 1a, a front panel 1b, a rear panel 1c,
a side panel 1d, and a bottom plate 1e.
[0018] A grille 2 functioning as an air outlet is attached to the front panel 1b. Furthermore,
a service cover 3 that houses terminal blocks and so forth therein is attached to
the side panel 1d. A louver 3a through which outside air is introduced into the housing
1 is formed in the service cover 3. Furthermore, a valve cover 4 is attached to a
lower portion of the side panel 1d.
[0019] As illustrated in Fig. 2, a wiring opening 1f that allows access to the terminal
blocks and so forth disposed inside the outdoor unit is formed in the side panel 1d
of the outdoor unit according to Embodiment 1.
[0020] A first main terminal block 20a and a second main terminal block 20b which are secured
to a first terminal block securing plate 21 are visible in the wiring opening 1f in
side view of the housing 1. Furthermore, a terminal block opening 21d in which a sub-terminal
block 20c is disposed and an air opening 21e through which the outside air having
passed through the louver 3a of the service cover 3 passes are formed in the first
terminal block securing plate 21.
[0021] As illustrated in Fig. 3, an inner structure of the outdoor unit according to Embodiment
1 is separated by a separator 5 into a fan chamber A and a machine chamber B. Furthermore,
components inside the outdoor unit are disposed on the bottom plate 1e having legs.
[0022] A fan 6, a heat exchanger 7, and so forth are disposed in the fan chamber A. Furthermore,
a compressor 8, refrigerant pipes, a controller unit 9, and so forth are disposed
in the machine chamber B.
<Configuration of the Controller Unit>
[0023] Fig. 4 is a perspective view of the controller unit of the outdoor unit according
to Embodiment 1.
[0024] Fig. 5 is a perspective view of the controller unit of the outdoor unit according
to Embodiment 1 when seen at a different angle from an angle at which the controller
unit is seen in Fig. 4.
[0025] Fig. 6 is an exploded perspective view of the controller unit of the outdoor unit
according to Embodiment 1.
[0026] Roughly, as illustrated in Figs. 4 to 6, the controller unit 9 of the outdoor unit
includes an electrical component support 14 that supports a control board 10 (corresponding
to a first control board of the present invention) and the first terminal block securing
plate 21 to which the terminal blocks are attached. When the air-conditioning apparatus
is operated, the controller unit 9 performs computation in accordance with input values
from a variety of sensors of a refrigeration cycle apparatus and a variety of setting
values to perform capacity control on the compressor 8, fan 6, and so forth. The control
board 10 includes circuits such as an inverter circuit.
[0027] The electrical component support 14 is formed of sheet metal and, as illustrated
in Fig. 6, includes an L-shaped structural surface 14a having a substantially L-shape
in section. The electrical component support 14 also includes a bottom plate surface
14b formed on one end side of the L-shaped structural surface 14a.
[0028] A radiator unit 12 that cools heat generating components of the control board 10
is attached to the electrical component support 14 with a radiator-unit support 13
interposed therebetween. The radiator unit 12 is, for example, a heat sink that includes
fins formed of aluminum. Furthermore, a radiator-unit protecting member 15 that protects
the radiator unit 12 is attached to the electrical component support 14 from the fan
chamber A side to cover the radiator unit 12. The radiator-unit protecting member
15 has a duct shape having a flow path to allow the air that cools the radiator unit
12 to flow therethrough.
[0029] A first opening 14c having a rectangular shape is formed in the electrical component
support 14. The radiator unit 12 is inserted into the first opening 14c. Furthermore,
a second opening 14d is formed adjacent to the first opening 14c. The cooling air
having cooled the control board 10 flows into the fan chamber A through the second
opening 14d.
[0030] The control board 10 is attached to the electrical component support 14 with a flat-shaped
board support member 11 interposed therebetween. At this time, electrical components
generating large amount of heat disposed on the control board 10 are thermally coupled
to the radiator unit 12.
[0031] As illustrated in Figs. 4 and 5, the first terminal block securing plate 21 stands
erect on the bottom plate surface 14b of the electrical component support 14. The
first main terminal block 20a and the second main terminal block 20b attached to the
first terminal block securing plate 21 are connected to the control board 10 through
first wiring 16. Furthermore, as has been described, the terminal block opening 21d
in which the sub-terminal block 20c is disposed and the air opening 21e through which
the outside air having passed through the louver 3a of the service cover 3 passes
are formed in the first terminal block securing plate 21. Furthermore, as illustrated
in Fig. 4, an extended board support member 32 is disposed beside the first terminal
block securing plate 21. The extended board support member 32 supports an extended
function control board 31, which will be described later.
[0032] The outside air having flowed into the housing 1 through the louver 3a of the service
cover 3 passes through the air opening 21e of the first terminal block securing plate
21 and cools the control board 10 and the extended function control board 31. After
that, this air flows into the fan chamber A through the second opening 14d of the
electrical component support 14 and is discharged to the outside of the housing 1
by the fan 6.
<Structure of a Terminal Block Securing Device>
[0033] Fig. 7 is an exploded perspective view of a terminal block securing device of the
outdoor unit according to Embodiment 1.
[0034] Fig. 8 is a perspective view of a second terminal block securing plate of the outdoor
unit according to Embodiment 1.
[0035] Fig. 9 is a front view of the terminal block securing device of the outdoor unit
according to Embodiment 1.
[0036] Fig. 10 is a rear view of the terminal block securing device of the outdoor unit
according to Embodiment 1.
[0037] Fig. 11 is a view of an A-A section of the terminal block securing device of the
outdoor unit according to Embodiment 1.
[0038] A terminal block securing device 100 includes the first terminal block securing plate
21 and a second terminal block securing plate 30 illustrated in Figs. 7 to 11.
[0039] As illustrated in Fig. 7, the first terminal block securing plate 21 includes a main
plate 21a, a first rib 21b formed by being bent from the main plate 21a on one end
side of the main plate 21a, and a second rib 21c formed by being bent from the main
plate 21a on the other end side of the main plate 21a. The terminal block opening
21d and the air opening 21e that are rectangular through holes are formed in the main
plate 21a.
[0040] As illustrated in Fig. 7, the first main terminal block 20a (corresponding to a first
terminal block of the present invention) and the second main terminal block 20b (corresponding
to a first terminal block of the present invention) are attached to the main plate
21a of the first terminal block securing plate 21 by screws 22 or the like such that
the first main terminal block 20a and the second main terminal block 20b are arranged
in the horizontal direction. At this time, a surface of the main plate 21a where the
first main terminal block 20a and the second main terminal block 20b are attached
is defined as a front surface 21A (corresponding to a first securing surface of the
present invention). Furthermore, a surface of the main plate 21a on the opposite side
to the front surface 21A is defined as a rear surface 21B.
[0041] The second terminal block securing plate 30 to which the sub-terminal block 20c is
secured is secured to the rear surface 21B of the main plate 21a to cover the terminal
block opening 21d of the first terminal block securing plate 21.
[0042] At this time, as illustrated in Fig. 9, the following elements are arranged on or
in the first terminal block securing plate 21 in the following order from the upper
side in the vertical direction: the first main terminal block 20a and the second main
terminal block 20b; the terminal block opening 21d; and the air opening 21e.
[0043] As illustrated in Fig. 8, the second terminal block securing plate 30 includes an
inclined plate 30a to which the sub-terminal block 20c (corresponding to a second
terminal block of the present invention) is secured, substantially triangular support
plates 30b formed at both end portions of the inclined plate 30a, and attachment piece
portions 30c formed by being bent from the support plates 30b.
[0044] The inclined plate 30a includes a front surface 30A (corresponding to a second securing
surface of the present invention) to which the sub-terminal block 20c is attached
and a rear surface 30B being a surface on the opposite side to the front surface 30A.
[0045] The front surface 30A and the attachment piece portions 30c of the inclined plate
30a are formed to form different angles (for example, 45 degrees). An attachment holes
30e for attachment of the sub-terminal block 20c are formed in bent portions at boundaries
between the inclined plate 30a and the support plates 30b. Furthermore, positioning
projections 30f are formed at two positions on the inclined plate 30a. The positioning
projections 30f facilitate positioning when attaching the sub-terminal block 20c.
[0046] The attachment piece portions 30c of the second terminal block securing plate 30
are, as illustrated in Fig. 10, secured to the rear surface 21B of the first terminal
block securing plate 21 by, for example, spot welding 30d along two sides the of the
terminal block opening 21d facing each other.
[0047] As illustrated in Fig. 11, the front surface 30A of the inclined plate 30a of the
second terminal block securing plate 30 is formed at a different angle from an angle
of the front surface 21A of the main plate 21a of the first terminal block securing
plate 21. For example, the front surface 30A of the inclined plate 30a is inclined
relative to the front surface 21A of the main plate 21a by 45 degrees.
[0048] Accordingly, as illustrated in Fig. 11, the inclined plate 30a of the second terminal
block securing plate 30 is attached on the rear surface 21B side of the main plate
21a of the first terminal block securing plate 21 such that the inclined plate 30a
is inclined relative to the main plate 21a and extends toward a diagonally upper direction.
At this time, at an upper portion of the terminal block opening 21d of the first terminal
block securing plate 21, an opening 40 is formed between the inclined plate 30a of
the second terminal block securing plate 30 and peripheral portion 21f of the terminal
block opening 21d.
[0049] When the first main terminal block 20a, the second main terminal block 20b, and the
sub-terminal block 20c are attached to such a first terminal block securing plate
21 and a second terminal block securing plate 30, the first main terminal block 20a
and the second main terminal block 20b attached to the front surface 21A of the main
plate 21a of the first terminal block securing plate 21 and the sub-terminal block
20c attached to the front surface 30A of the inclined plate 30a of the second terminal
block securing plate 30 are attached such that the first main terminal block 20a and
the second main terminal block 20b form a different angle (for example, 45 degrees)
from the angle of the sub-terminal block 20c.
[0050] When seen from the front surface 21A side of the first terminal block securing plate
21, at least a part of the sub-terminal block 20c is visible in the terminal block
opening 21d as illustrated in Fig. 9.
[0051] Furthermore, as illustrated in Fig. 7, the extended board support member 32 is disposed
on the first rib 21b side of the first terminal block securing plate 21. The extended
board support member 32 supports the extended function control board 31 (corresponding
to a second control board of the present invention). The extended board support member
32 stands erect on the bottom plate surface 14b of the electrical component support
14. The extended function control board 31 is attached to the extended board support
member 32 by the screws 22 or the like. The extended function control board 31 and
the sub-terminal block 20c are connected to each other through second wiring 33.
[0052] Although the first terminal block securing plate 21 and the second terminal block
securing plate 30 are separate plates secured to each other by the screws in the above-described
structure, a tongue-shaped portion may be cut and raised from the terminal block opening
21d of the first terminal block securing plate 21 so as to obtain the first terminal
block securing plate 21 having an integral structure.
<Structure of the Terminal Blocks>
[0053] Each of the first main terminal block 20a, the second main terminal block 20b, and
the sub-terminal block 20c includes board connection terminals 20y and external connection
portions 20z. Wiring is connected to the control board 10 and the extended function
control board 31 through the board connection terminals 20y. Wiring is connected to
an external power source and an external device through the external connection portions
20z. The first wiring 16 and the second wiring 33 are connected to the board connection
terminals 20y through connectors. Furthermore, power source wiring and external signal
wiring are connected to the external connection portions 20z.
[0054] Although the functions of each terminal block are not particularly limited, for example,
the first main terminal block 20a connects a three-phase power source for operation
of the outdoor unit from the outside. Furthermore, the second main terminal block
20b connects the outdoor unit and the indoor unit to each other for supplying the
power source to the indoor unit and connects signal wiring for control. Furthermore,
the sub-terminal block 20c is for connecting external signals of external devices
(for example, demand signals of a power usage amount monitoring board or control signals
of a home energy management system (HEMS) or the like) as extended functions.
<Attachment of the Sub-Terminal Block>
[0055] Next, a procedure for attaching the sub-terminal block 20c to the second terminal
block securing plate 30 is described with reference to Figs. 12 and 13.
[0056] Fig. 12 is a perspective view of the second terminal block securing plate of the
outdoor unit according to Embodiment 1.
[0057] Fig. 13 is a sectional view of the second terminal block securing plate of the outdoor
unit according to Embodiment 1.
[0058] The sub-terminal block 20c includes a pair of attachment pieces 20d at both end portions
of the sub-terminal block 20c facing each other. Each of the attachment pieces 20d
has a U-shaped cut at the center of the attachment piece 20d to allow a screw to secure
the attachment piece 20d.
[0059] To attach the sub-terminal block 20c to the second terminal block securing plate
30, one of the attachment pieces 20d is inserted into an attachment hole 30e of the
second terminal block securing plate 30. Next, one of a screw 22 is inserted into
the U-shaped cut of the other attachment piece 20d to secure the sub-terminal block
20c to the second terminal block securing plate 30 as illustrated in Fig. 12.
[0060] At this time, the sections of the second terminal block securing plate 30 and the
sub-terminal block 20c are in a state as illustrated in Fig. 13. A driver pit 50 for
rotation of the screw 22 is formed to allow work to be performed with a clearance
50a left from the peripheral portion 21f of the terminal block opening 21d of the
first terminal block securing plate 21.
[0061] Furthermore, angles of the terminal block opening 21d of the first terminal block
securing plate 21 and the inclined plate 30a of the second terminal block securing
plate 30 are adjusted to reliably obtain visibility of a terminal block identification
label 20e pasted on the sub-terminal block 20c when the sub-terminal block 20c has
been attached to the second terminal block securing plate 30.
[0062] Furthermore, the peripheral portion 21f of the terminal block opening 21d of the
first terminal block securing plate 21 is hemmed or bent to avoid damage to the wiring
connected to the sub-terminal block 20c.
[0063] Likewise, end portions 30g of the inclined plate 30a of the second terminal block
securing plate 30 are also hemmed or bent.
< Effects>
[0064] The outdoor unit according to Embodiment 1 is as follows.
- (1) That is, the outdoor unit includes a first terminal block (corresponding to the
first main terminal block 20a and the second main terminal block 20b) and a second
terminal block (corresponding to the sub-terminal block 20c) that are arranged in
a vertical direction. The outdoor unit also includes the terminal block securing device
100 that includes the first terminal block securing plate 21 to which the first terminal
block is attached and the second terminal block securing plate 30 to which the second
terminal block is attached. The terminal block securing device 100 has a first securing
surface (corresponding to the front surface 21A of the main plate 21a) of the first
terminal block securing plate 21 to which the first terminal block is secured and
a second securing surface (corresponding to the front surface 30A of the inclined
plate 30a) of the second terminal block securing plate 30 to which the second terminal
block is secured. The first securing surface and the second securing surface are set
at different angles.
With the above-described structure, during connection of various types of wiring to
the plurality of terminal blocks, superposition of the various types of wiring in
a planar direction of the terminal block securing plate is eliminated. Thus, the wiring
is not becoming complex, and accordingly, work efficiency is increased.
Furthermore, the dimension of the first terminal block securing plate 21 is fixed
in the horizontal direction by arranging the terminal blocks in the vertical direction.
This allows components of the outdoor unit to be standardized.
Furthermore, the outdoor unit according to Embodiment 1 is as follows. That is, in
the outdoor unit described above in (1),
- (2) the second terminal block securing plate 30 is formed on a rear surface of the
first securing surface.
With this structure, the wiring connected to the first terminal block (corresponding
to the first main terminal block 20a and the second main terminal block 20b) is not
two-dimensionally superposed on the wiring connected to the second terminal block
(corresponding to the sub-terminal block 20c). Thus, the wiring is not becoming complex,
and accordingly, work efficiency is improved.
Furthermore, the outdoor unit according to Embodiment 1 is as follows. That is, in
the outdoor unit described above in (1) or (2),
- (3) the terminal block opening 21d is formed in the first terminal block securing
plate 21. The second terminal block securing plate 30 is disposed such that at least
a part of the second terminal block is positioned in the terminal block opening 21d
when seen in a direction perpendicular to the first securing surface.
With this structure, during connection of the wiring to the second terminal block
form the outside, this wiring is inserted through the terminal block opening 21d.
This eliminates two-dimensional superposition of the wiring connected to the first
terminal block on the wiring connected to the second terminal block. Thus, the wiring
is not becoming complex, and accordingly, work efficiency is improved.
Furthermore, the outdoor unit according to Embodiment 1 is as follows. That is, in
the outdoor unit described above in (1) to (3),
- (4) the second securing surface is set such that a lower end side of the second securing
surface is closer to the first securing surface than an upper end side of the second
securing surface.
With this structure, the first securing surface and the second securing surface form
an angle therebetween such that the distance between the first securing surface and
the second securing surface increases toward the upper side. Accordingly, wiring from
the first terminal block and wiring from the second terminal block connected to the
control board 10 and the extended function control board 31 are not two-dimensionally
superposed on each other. Thus, the wiring is not becoming complex, and accordingly,
work efficiency is improved.
Furthermore, the outdoor unit according to Embodiment 1 is as follows. That is, in
the outdoor unit described above in (1) to (4),
- (5) a first control board (corresponding to the control board 10) that at least controls
a compressor and a second control board (corresponding to the extended function control
board 31) that communicates with an external device are included. The first terminal
block is connected to the first control board through the first wiring 16, and the
second terminal block is connected to the second control board through the second
wiring 33.
With this structure, the wiring from the first terminal block and the wiring from
the second terminal block connected to the control board 10 and the extended function
control board 31 are not two-dimensionally superposed on each other. Thus, the wiring
is not becoming complex, and accordingly, work efficiency is improved.
Furthermore, the outdoor unit according to Embodiment 1 is as follows. That is, in
the outdoor unit described above in (5) premised on the above-described (3),
- (6) the second wiring 33 is inserted through the opening 40 formed between the terminal
block opening 21d and the second securing surface.
With this structure, the second wiring 33 is connected to the control board 10 and
the extended function control board 31 through a different route from that of the
first wiring 16. Accordingly, there is no two-dimensional superposition of the wiring.
Thus, the wiring is not becoming complex, and accordingly, work efficiency is improved.
Furthermore, the outdoor unit according to Embodiment 1 is as follows. That is, in
the outdoor unit described above in (3) and (4) to (6) premised on the above-described
(3),
- (7) the first terminal block securing plate 21 has the air opening 21e which is disposed
adjacent to the terminal block opening 21d and through which air flows.
[0065] With this structure, air that cools the control board 10 and the extended function
control board 31 smoothly flows into the housing 1 through the air opening 21e. Thus,
cooling efficiency for the control board can be improved.
Reference Signs List
[0066] 1 housing 1a top panel 1b front panel 1c rear panel 1d side panel 1e bottom plate
1f wiring opening 2 grille 3 service cover 3a louver 4 valve cover 5 separator 6 fan
7 heat exchanger 8 compressor 9 controller unit 10 control board (corresponding to
the first control board of the present invention) 11 board support member 12 radiator
unit 13 radiator-unit support 14 electrical component support 14a L-shaped structural
surface 14b bottom plate surface 14c first opening 14d second opening 15 radiator-unit
protecting member 16 first wiring 20a first main terminal block (corresponding to
the first terminal block of the present invention) 20b second main terminal block
(corresponding to the first terminal block of the present invention) 20c sub-terminal
block (corresponding to the second terminal block of the present invention) 20d attachment
piece 20e terminal block identification label 20y board connection terminal 20z external
connection portion 21 first terminal block securing plate 21a main plate 21b first
rib 21c second rib 21d terminal block opening 21e air opening 21f peripheral portion
21A front surface (corresponding to the first securing surface of the present invention)
21B rear surface 22 screw 30 second terminal block securing plate 30a inclined plate
30b support plate 30c attachment piece portion 30d spot welding 30e attachment hole
30f positioning projection 30g end portion 30A front surface (corresponding to the
second securing surface of the present invention) 30B rear surface 31 extended function
control board (corresponding to the second control board of the present invention)
32 extended board support member 33 second wiring 40 opening 50 driver pit 50a clearance
100 terminal block securing device A fan chamber B machine chamber.
1. An outdoor unit comprising;
a first terminal block and a second terminal block that are arranged in a vertical
direction; and
a terminal block securing device that includes
a first terminal block securing plate to which the first terminal block is attached,
and
a second terminal block securing plate to which the second terminal block is attached,
wherein the terminal block securing device has
a first securing surface of the first terminal block securing plate to which the first
terminal block is secured, and
a second securing surface of the second terminal block securing plate to which the
second terminal block is secured, and
wherein the first securing surface and the second securing surface are set at different
angles.
2. The outdoor unit of claim 1,
wherein the second terminal block securing plate is formed on a rear surface of the
first securing surface of the first terminal block securing plate.
3. The outdoor unit of claim 1 or 2,
wherein a terminal block opening is formed in the first terminal block securing plate,
and
wherein the second terminal block securing plate is disposed such that the second
terminal block is positioned in the terminal block opening when seen in a direction
perpendicular to the first securing surface.
4. The outdoor unit of any one of claims 1 to 3,
wherein the second securing surface is set such that a lower end side of the second
securing surface is closer to the first securing surface than an upper end side of
the second securing surface.
5. The outdoor unit of any one of claims 1 to 4, further comprising:
a first control board that controls at least a compressor; and
a second control board that communicates with an external device,
wherein the first terminal block is connected to the first control board through first
wiring, and the second terminal block is connected to the second control board through
second wiring.
6. The outdoor unit of claim 5 as dependent on claim 3,
wherein the second wiring is inserted through an opening formed between the terminal
block opening and the second securing surface.
7. The outdoor unit of any one of claim 3 and claims 4 to 6 as dependent on claim 3,
wherein the first terminal block securing plate has an air opening which is disposed
adjacent to the terminal block opening and through which air flows.