JP2703382B2 - Heat exchange unit - Google Patents

Description

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

(B) Conventional technology Conventionally, as a structural example of this type of heat exchange unit, there is one disclosed in Japanese Utility Model Publication No. 61-7492.

According to this content, a partition plate is set up on a bottom plate outside the main body, the inside of the main body is partitioned into a machine room and a heat exchange room, and an electrical component box for storing electrical components is disposed above the partition plate. It is like that. The exterior body of the heat exchange unit includes a side panel and a top panel that covers the side panel.

(C) Problems to be Solved by the Invention In such a heat exchanger, service inspection of electric components can be performed by removing only the top panel. However, the side panel cannot be removed unless the top panel is removed because the upper part of the side panel is covered with the inside of the top panel. Therefore, when performing a service check on a compressor, a fan, and the like housed in a machine room or a heat exchange room, both the top panel and the side panel must be removed, which may be troublesome. .

Further, when the heat exchanger is suspended from the ceiling, it is difficult to see the electric components from above when performing maintenance because the ceiling is located immediately above the heat exchanger. In the conventional heat exchanger, the upper side of the electric components is covered with the top panel, and the front side of the electric components is covered with the fan guard plate. I can't see it. Therefore, when performing a service check on electrical components, it is necessary to remove both the top panel and the fan guard, and removing the panel may be troublesome.

SUMMARY OF THE INVENTION It is an object of the present invention to perform a service check of a device only by removing one panel selected according to the device to be service checked.

(D) Means for Solving the Problems In order to achieve this object, the present invention provides a heat exchange unit in which a blower, a compressor, and the like are arranged below and electric components are arranged and housed above. Constitutes the upper and upper surfaces of the heat exchange unit and covers the front and upper parts of all the electrical components only with the upper panel, and the front panel forms the lower front of the heat exchange unit and closes the front side of the compressor and the like. Is formed. Furthermore, after inserting the mounting holes into the projections formed on the back side of the rear panel, the upper panel was screwed with the side panels and the rear panel on both sides, and the front part was superimposed on the upper part of the front panel from the outside. In this state, fasten together with the fixture and attach to the heat exchange unit. Further, the front panel is fastened together at a portion overlapping with the upper panel by a fixing tool, and is screwed to the bottom plate to be attached to the heat exchange unit.

(E) Function Only the upper panel can be removed when performing a service check on electrical components, and only the front panel can be removed when performing a service check on a blower or compressor.

(F) Embodiment FIGS. 1 and 2 are views showing the internal structure of a heat exchange unit 1 according to an embodiment of the present invention, and FIG. 3 is a perspective view of the heat exchange unit 1. The heat exchange unit 1 is connected to an indoor unit (not shown), which is a heat exchanger for cooling and heating, provided with a refrigerant passage for cooling and a heating liquid passage for heating.
During cooling, the refrigerant discharged from the compressor and condensed in the outdoor heat exchanger is sent to the cooling / heating exchanger of the indoor unit, and the hot water heated by the heater and discharged by the pump during heating is sent to the indoor unit cooling / heating exchanger. It was done.

1 and 2, reference numeral 2 denotes a bottom plate of the heat exchange unit 1, and 3 denotes a partition plate set up on the bottom plate. The upper part of the bottom plate 2 is divided into a machine room 4 and a heat exchange room 5. ing. 6 is a heat exchanger arranged in the machine room 4, and 7 is a blower arranged in front of the heat exchanger 6. Numeral 8 denotes a plate-shaped electrical equipment plate disposed above the machine room 5 and having a short rising edge at the periphery. Electrical equipment parts 9 for combustion (heating) equipment such as a boiler are provided on the left side, and cooling equipment such as a compressor is provided on the right side. Electrical components for equipment10
Are arranged respectively. These electrical components 9 and 10 are covered with a transparent resin cover 11. Reference numeral 12 denotes a heating medium (water) heater (hereinafter referred to as a “boiler”).
It is fixed to. 13 is an exhaust pipe, 14 is a blower for supplying combustion air to the boiler, 15 is a pump for supplying water to the boiler 12, and 16 is a cover of the pump 15. Reference numeral 17 denotes a pressure tank, and reference numeral 18 denotes a connector connected to the hot water pipe 19, and its mounting portion 20 is positioned downward.

21 is a compressor, 22 is an accumulator, and 23 is a capillary tube. Numeral 24 denotes a horizontal plate located above the compressor, one end of which is on the side of the machine room of the partition plate 3, and the other end of which is a support leg.
25 (see FIG. 1).
Reference numeral 27 denotes a valve which is fixed to the mounting plate 26. Here, on the horizontal plate 24, a pressure tank 17, a reserve tank 27, a wind pressure switch 28, an ignition transformer 29, and the like are mounted. The connector 18 is attached to the end plate 30 of the horizontal plate 24.

The exterior body of the heat exchange unit 1 includes a rear panel 31 that forms the back surface of one side of the unit, a side panel 32 (see FIG. 3) that forms the other side, and an upper surface and an upper surface that forms the upper part of the front surface. Panel 33 and the front panel that forms the lower front
And 34. Here the rear panel 31 has a suction port
A front grille is formed on the front panel. 37 is a pipe cover attached to the side panel,
The connector 18 and the terminal plate 38 are covered. The front side of the upper panel 33 is bent into an L-shaped cross section so that its end is located below the electrical component plate 8, and the folded front portion covers the front of the electrical components 9 and 10. I have. The front panel 34 is large enough to cover the entire front side of the blower 7 and the compressor 21, and its upper end is located below the electrical component plate 8. The upper panel 33 and the front panel 34 overlap in the width direction.

FIG. 4 shows a state in which the heat exchange unit 1 is suspended from the ceiling of the veranda. Reference numeral 39 denotes a pair of U-shaped hanging brackets, the upper piece 40 of which is fixed to the lower surface of the ceiling of the veranda. Reference numeral 41 denotes a receiving plate fixed across the metal fittings, and the leg 42 of the heat exchange unit 1 is attached to the receiving plate.
Here, the height dimension H of the hanging bracket 39 is about 700 mm, and the height dimension L of the heat exchange unit is about 600 mm.
An interval 43 of about 100 mm is maintained between the ceiling of the veranda and the upper surface of the heat exchange unit 1.

When performing a service check of the heat exchange unit 1 installed in such a state, first, the front panel 34 and the upper panel 33
Remove the fixing device (hereinafter referred to as “screw”) 44 that is tightening the above. And boiler 12 and blower 7 etc. (Electrical components 9, 10
When performing a service inspection (except for the above), if the screw 45 below the front panel 34 is removed, only the front panel 34 can be removed in front of the heat exchange unit, and the front panel 34 and the heat exchange unit 1 and the hanging bracket 39 are removed. Can be pulled out to the side from between.
Thereby, the lower part of the heat exchange room 5 and the machine room 4 is opened,
A service check of the equipment described above can be performed. on the other hand,
When performing a service check on only the electrical components 9 and 10,
Screws 46 (third
Then, the upper panel 33 is lifted upward with the lower edge of the piece 47 as a fulcrum (see the execution arrow in FIG. 4), and the mounting hole 48 of the rear piece 47 of the upper panel 33 is removed. Panel 31
From the projection 49 (see FIG. 2). As a result, the upper part of the heat exchange unit 1 is opened, and service inspection can be performed from above and in front of the electrical components 9 and 10.

In this way, only the upper panel 33 can be individually removed when performing a service check on the electrical components 9 and 10, and only the front panel 34 can be individually removed when performing a service check on the blower 7 of the boiler 12, so that the service work can be performed. It can be done efficiently and in a short time.

In particular, in the case of performing a service inspection of the electrical components 9 and 10, there is a gap 43 of about 100 mm between the ceiling of the veranda and the upper surface of the heat exchange unit 1, and the above service is performed by using the gap 43. Perform an inspection. Here, since the size of the front portion of the upper panel 33 is large enough to cover the front of the electrical components 9 and 10, when the upper panel 33 is lifted upward,
Of the front part of the heat exchange unit 1 does not protrude largely forward. Specifically, the distance 50 between the front panel 34 of the heat exchange unit 1 and the hanging bracket 39 is set to the dimension A (about 10
If it is kept at about 0 mm), the top panel 33 can be removed. As a result, the dimension A between the front surface of the heat exchange unit 1 and the front part 51 of the hanging bracket 39 can be reduced, and the installation space for the heat exchange unit 1 can be reduced.

FIG. 5 is a view for explaining the assembled state of the heat exchange unit 1. The compressor 21, the heat exchanger 6, the valve 27 and the like are fixed to the bottom plate 2 in advance. On the other hand, 52 is a combustion block, and the frame of this block 52 is composed of the partition plate 3, the support legs 25, and the receiving plate 24 (see FIG. 2) connecting these. Then, the boiler 12 is fixed to the upper part of the machine room side surface 53 of the partition plate 3. A pump 15 is attached to the lower end of the partition plate 3 via a mounting plate 59 extending toward the heat exchange chamber. This mounting structure will be described later. Boiler like this
12 and the pump 15 are fixed to the partition plate 3, the reserve tank 17 and the pressure tank 17 are fixed to the receiving plate 24, and the connecting tool 18 is fixed to the end plate 30 above the support leg 25. Is formed.

Therefore, this block 52 is connected to the compressor 21 as indicated by a solid arrow.
, The compressor 21 is located in the space 54 in the lower center of the block 52.

FIG. 6 is a plan view of the machine room 4 of the heat exchange unit 1 assembled in this way, and the boiler 12 and the compressor 21 are arranged in the machine room 4 in the front and rear slanting directions. As described above, since the heavy equipment such as the compressor 21 and the boiler 12 is disposed obliquely in the front and rear of the machine room 4, the weight balance in the machine room 4 becomes near the center of the heat exchange unit 1 in the front and rear direction. The center of gravity of the unit 1 is not largely shifted in the front-rear and left-right directions.

Also, by extending the hot water pipe 1 connected to the boiler 12 and the refrigerant pipe 55 connected to the compressor 21 to the side,
These are kept so that the two pipes 19 and 55 do not intersect. The hot water pipe 19 is connected to the connector 18, and the refrigerant pipe 55 is connected to the valve 27. In FIG. 6, a receiving plate, a reserve tank, and the like are omitted for explanation.

FIG. 7 is an exploded perspective view showing the relationship between the partition plate 3 and the pump 15. Reference numeral 56 denotes a cutout (cut hole) formed in the lower part of the partition plate.
Reference numeral 57 denotes a flange piece of the pump 15, and a lower piece 58 is fixed to a raised portion 60 of a mounting plate 59. Reference numeral 61 denotes a mounting piece that stands up front and rear of the mounting plate 59 (the rear mounting piece is not visible behind the pump 15). These mounting pieces 61 are provided around the notch 56 of the partition plate 3 in the heat exchange chamber 5. Screwed from the side. Reference numeral 62 denotes a flange piece of the cover 16 of the pump 15. The cover 16 is also fixed around the cutout 56 of the partition plate 3 by screws from the heat exchange chamber 5 side. Therefore, when performing service inspection of this pump 15, remove the hot water pipe 19 from the inlet pipe 63 and the outlet pipe 64 of the pump 15,
Thereafter, by removing the screws of the flange piece 62 and the mounting piece 61 from the heat exchange chamber 5 side, the pump 15 and its cover are removed.
16 can be removed. Here, in the heat exchange chamber 5,
There are fewer members around the cover 16 than in the machine room 4 and it is a part of the ventilation path, so that the service can be easily replaced.

Further, a heavy pump 15 is attached below the partition plate 3 to the mounting plate.
Since the boiler 12 is fixed via 59, even if the boiler 12 is attached to the upper part of the partition plate, there is little possibility that the partition plate 3 will fall over due to the weight of the boiler 12.

(G) Effect of the Invention As described above, the present invention provides a heat exchange unit in which electric components are disposed above a blower and a blower and the like are surrounded by an exterior panel. The cover and front panel are located in front of the compressor and blower and are located below the upper panel. The upper panel engages with the projection of the rear panel and is fixedly attached to the front panel by a fixture, and the front panel is detachably attached to the bottom plate and fixedly attached to the upper panel. Therefore, when inspecting the electrical components for service, remove the upper panel and the front panel fixings, and then remove the upper panel from the rear panel to remove only the upper panel.When inspecting the compressor or blower for service, Can remove only the front panel by removing the fixing device between the upper panel and the front panel, and then removing the front panel from the bottom plate. Therefore, service inspection work can be performed efficiently in a short time.

[Brief description of the drawings]

Drawings show an embodiment of the present invention, FIG. 1 is a front perspective view showing the internal structure of a heat exchange unit, FIG. 2 is a rear perspective view showing the internal structure of the unit, and FIG. Is a perspective view of the unit, FIG. 4 is a perspective view of the unit showing an installed state, FIG. 5 is a side view showing an assembled state of the unit, and FIG. 6 is a plan view showing a main part of a machine room of the unit. Figure,
FIG. 7 is an exploded perspective view showing a relationship between a partition plate, a pump, and a cover of the unit. 1 ... heat exchange unit 6 ... heat exchanger 7 ... blower 9 ... electrical components 10 ... electrical components 21 ... compressor 33 ... upper panel 34 ... front panel 44 ... fixture

 ──────────────────────────────────────────────────続 き Continuation of front page (72) Inventor Takuo Nishihara 2-18-18 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. 61-104161 (JP, U) Jiko 61-7492 (JP, Y2)

Claims (1)

(57) [Claims] 1. A dish-shaped electric component plate is arranged above a blower arranged on a bottom plate, electric components for controlling a compressor and a blower are arranged on the electric component plate, and the electric components and the blower and the like are arranged on an exterior panel. In the heat exchange unit surrounded by, the exterior panel forms one side and the back of the heat exchange unit and a rear panel screwed to the bottom plate, and forms the other side of the heat exchange unit, and is formed on the bottom plate and the rear panel. A side panel to be screwed, a front panel forming the lower part of the front surface of the heat exchange unit and closing the front surfaces of the compressor and the blower, and forming the upper surface and the upper part of the front surface of the heat exchange unit, and the upper part and the front part of the electric components. An upper panel on the rear side of the rear panel, wherein a projection protruding outwardly is formed on the rear panel, and the upper panel has a mounting hole in the rear portion into which the projection of the rear panel can be inserted. The front panel is formed so that the lower end of the front part is located between the electric equipment plate and the blower, and the upper end of the front panel is located between the electric equipment plate and the blower and the upper part overlaps the upper panel. After inserting the projections of the rear panel into the mounting holes, the upper panel is screwed with the side panels and the rear panel on both sides, and the front part is superimposed on the upper part of the front panel from the outside. The front panel is attached to the heat exchange unit by fastening together with a fixture, and the front panel is fastened together with the upper panel by the fixture and screwed to the bottom plate in a state where the front panel is overlapped with the front surface of the upper panel from the inside. A heat exchange unit, wherein the heat exchange unit is attached to the heat exchange unit.