JPH03217735A - Heat exchange unit - Google Patents

Abstract

PURPOSE:To make it possible to remove a necessary panel only in response to an apparatus for which a service check is performed by a method wherein a part of an exterior panel consists of an upper panel which covers electric components and the upper part of the front part of the main body and a front panel which is located on the bottom, and the bottom part of the upper panel and the top part of the front panel are jointly clamped by fasteners. CONSTITUTION:When a service check for a heat exchange unit 1 is performed, fasteners (screws) 44 which jointly clamp a front panel 34 and upper panel 33 are removed. When a service check for a boiler 12 or fan 7, etc., is performed, the front panel 34 only can be pulled out to the side of the heat exchange unit 1 by removing screws 45 at the bottom part of the front panel 34. When a service check for electric components 9, 10 only is performed, the screws 44 and screw 46 are removed, and then the upper panel 33 is lifted upward by using the lower edge of the rear piece 47 as pivot, and an attaching hole 48 is disengaged from a protrusion 49 on a panel 31, and thus the top of the heat exchange unit 1 is opened. Thus, the upper panel 33 can be removed at the time to check the electric components 9, 10, and the front panel 34 can be removed at the time to check the boiler 12 or fan 7, and therefore, the work can be efficiently performed in a short period of time.

Description

[Detailed description of the invention] (b) Industrial application field The present invention relates to an outdoor unit of a separate air conditioner.

BACKGROUND OF THE INVENTION Conventionally, an example of the structure of this type of heat exchange unit is shown in Japanese Utility Model Publication No. 7492/1983.

According to this content, a partition plate is erected at the bottom of the main body to divide the main body into a machine room and a heat exchange room, and a heat exchanger box for storing air components is placed above the partition plate. It was designed to be set up. The exterior body of this heat exchange unit is composed of a side panel and a top panel that covers the side panel.

(8) Problems to be Solved by the Invention In such a heat exchange unit, service inspection of the electrical parts can be performed by removing only the top panel.However, since the upper part of the side panel is covered by the top panel, the machine room cannot be inspected. When performing service inspection of the compressor, fan, etc. housed in the heat exchange room or the heat exchange room, both the top panel and the side panels must be removed, which can be a tedious task. The purpose is to allow only the necessary panels to be removed depending on the equipment being serviced.

(2) Means for Solving the Problems In order to achieve this object, the present invention arranges electrical components for controlling the operation of the blower and compressor in the main body of the heat exchange unit at the upper part of the main body of the heat exchange unit. A cross section L that covers part of the unit's exterior panel and the electrical components and the upper part of the front of this main body.
It is composed of a letter-shaped upper panel and a front panel positioned below the upper panel, and the lower part of the upper panel and the upper part of the front panel are fastened together with a fixture.

(*》The upper panel can be removed individually when servicing electrical components, and the front panel can be removed when servicing the blower, compressor, etc.).

(F) Embodiment FIGS. 1 and 2 are diagrams showing the internal structure of a heat exchange unit 1 showing an embodiment of the present invention, and FIG. 3 is a perspective view of this heat exchange unit 1. This heat exchange unit 1 is connected to an indoor unit (not shown) having a heat exchanger for heating and cooling, which is provided with a refrigerant passage for cooling and a heating liquid passage for heating. During cooling, the refrigerant is discharged from the compressor and condensed in the outdoor heat exchanger, and during heating, the refrigerant is used in the heater (hereinafter referred to as a boiler).
The hot water heated by the cylinder and discharged by the cylinder is sent to the heating and cooling heat exchangers of the indoor units.

In FIGS. 1 and 2, 2 is the bottom of the heat exchange unit 1, and 3 is a partition plate erected on the bottom plate, which divides the upper part of the bottom plate 2 into a machine room 4 and a heat exchange room 5. are doing. 6 is a heat exchanger placed in the machine room 4, 7 is a blower placed in front of this heat exchanger 6, 8 is a dish-shaped electrical equipment board placed above this machine room 5, and the left side is a Electrical components 9 of combustion (heating) equipment such as a boiler are arranged on the right side, and electrical components 10 of cooling equipment such as a compressor are arranged on the right side. These electrical components 9 and 10 are covered with a transparent resin cover 11. 12 is a heating medium (water) heater (hereinafter referred to as 1 boiler), which is fixed to the partition plate 3. 13
14 is a blower for supplying air for combustion to the boiler 12, 15 is a bomb for supplying water to the boiler 12, and 16 is a cover for this bomb 15. 17 is a pressure tank, 18 is a connector connected to hot water piping 19, and its mounting portion 20 is positioned downward.

21 is a compressor, 22 is an accumulator, and 23 is a filter tube. Reference numeral 24 denotes a horizontal plate located above the compressor 21, one end of which is attached to the side surface of the machine room of the partition plate 3, and the other end is attached to the mounting plate 26 via support legs 25 (see FIG. 1).
Fixed.

A valve 27 is fixed to the mounting plate 26. Here, the horizontal plate 24 includes the pressure tank 17,
A reserve tank 27, a wind pressure switch 28, an ignition transformer 29, etc. are mounted. The connector 18 is attached to the end plate 30 of the horizontal plate 24.

The exterior body of this heat exchange unit 1 consists of a rear panel 31 that constitutes one side and a rear side of this unit, a side panel 32 (see Fig. 3) that constitutes the other side, and a cross section that constitutes an upper surface and an upper front surface. It is composed of an L-shaped upper panel 33 and a front panel 34 forming the front surface. Here, a suction port 35 is formed in the rear panel 31, and a blowout grille 36 is formed in the front panel 34, respectively. A piping cover 37 is attached to the side panel and covers the connector 18 and the terminal board 38.

FIG. 4 shows the heat exchange unit 1 suspended from the ceiling of a balcony, and 39 is a pair of U-shaped hanging metal fittings, the upper piece 40 of which is fixed to the lower surface of the ceiling of the balcony. Reference numeral 41 denotes a receiving plate fixed across these metal fittings, and the leg piece 42 of the heat exchange unit 1 is attached to this receiving plate. Here, the height dimension H of the hanging fitting 39 is approximately 700 mm.
tllll, the height dimension L of the heat exchange unit is approximately 6001
m! Therefore, a gap 43 of about ioom is maintained between the ceiling of the balcony and the top surface of the heat exchange unit 1.

When performing a service inspection of the heat exchange unit 1 installed in this condition, first check the front panel 34 and the upper panel 3.
Fixing device (hereinafter referred to as "screw") that fastens 3 together 4
Remove 4. Boiler 12, blower 7, etc. (electrical parts 9)
, 10), by removing the screws 45 at the bottom of the front panel 34, only the front panel 34 can be pulled out to the side of the heat exchange unit 1. As a result, the lower portions of the heat exchange chamber 5 and the machine room 4 are opened, and the above-mentioned equipment can be serviced and inspected. On the other hand, when servicing only the electrical components 9 and 10, remove the screws 44 and the screws 46 (see Figure 3) attached to the sides, and then remove the upper panel 33 and the lower edge of the piece 47. Using it as a fulcrum, lift it upwards (see the solid arrow in Figure 4) and remove the mounting hole 4B of the rear piece 47 of the upper panel 33 from the protrusion 49 of the rear panel 31 (see Figure 2).This will remove the heat exchange unit. The upper part of 1 is opened.

In this way, when performing a service inspection on the electrical components 9 and 10, the upper panel 33 can be removed individually, and when performing a service inspection on the boiler 12 or the blower 7, the front panel 34 can be removed individually, making the service work efficient and short. It can be done in time. In particular, when performing a service inspection of the electrical components 9 and 10, there is a gap 43 of approximately 100 mtl between the ceiling of the balcony and the top surface of the heat exchange unit 1.
3 to perform the above-mentioned service inspection. Here, the front piece of the upper panel 33 is shortened (separated from the front panel 34), so when the upper panel 33 is lifted upward,
The locus of the front piece of the upper panel 33 is prevented from protruding forward of the heat exchange unit 1. Specifically, heat exchange unit 1
Gap 50 between the front panel 34 and the hanging metal fittings 39
If you keep the dimension A (approximately 1 5 01111),
This top panel 33 can be removed. Thereby, the dimension A between the front surface of the heat exchange unit 1 and the front part 51 of the hanging fitting 39 can be reduced, and the installation space for the heat exchange unit 1 can be kept small.

FIG. 5 is a diagram illustrating the assembled state of the heat exchange unit 1, in which the compressor 21, heat exchanger 6, valve 27, etc. 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 the partition plate 3.
, support legs 25, and a receiving plate 24 (see FIG. 2) that connects these. Then, the boiler 12 is fixed to the upper part of the machine room side surface 53 of the partition plate 3. Also, this partition plate 3
The bomb 15 is attached to the lower end of the cylinder via a mounting plate 59 extending toward the heat exchange chamber. This mounting structure will be described later. In this way, the boiler 12 and the bomb 15 are connected to the partition plate 3, and the reserve tank 27 and the breather tank 17 are connected to the receiving plate 24.
The connectors 18 are respectively fixed to the upper end plates 30 of the support legs 25, and a space 54 is formed in the center of the lower part of the block 52.

Therefore, this block 52 is connected to the compressor 2 as shown by the solid line arrow.
1, the compressor 21 is located in the space 54 at the center of the lower part 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 compressor 21 are arranged in the front-rear direction in the machine room 4. Since heavy equipment such as the compressor 21 and the boiler 12 are placed at the front and rear of the machine room 4, the center of gravity in the machine room 4 is balanced near the center of the heat exchange unit 1 in the front and back direction.
The center of gravity of the heat exchange unit 1 is prevented from shifting significantly in the front-back and left-right directions.

In addition, a hot water pipe 19 connected to the boiler 12 and a compressor 2
By extending the refrigerant pipe 55 connected to the refrigerant pipe 19, 55 in either direction, these two pipes 19, 55 will not intersect. The hot water pipe 19 is connected to the connector 18, and the refrigerant pipe 55 is connected to the valve 2.
Each is connected to 7. In FIG. 6, the receiving plate, reserve tank, etc. are omitted for the sake of explanation.

FIG. 7 is an exploded perspective view showing the relationship between the partition plate 3 and the bomb 15, where 56 is a cutout (notch) formed at the bottom of the partition plate 3, 57 is a flange piece of the pump 15, and the lower piece 58 is fixed to the raised portion 60 of the mounting plate 59. These mounting pieces 61 are attached to the front and rear of the mounting plate 59 (the rear mounting piece is hidden behind the bomb 15), and these mounting pieces 61 are placed around the notch 56 of the partition plate 3 from the heat exchange chamber 5 side. Screwed down. Further, 62 is a flange piece of the cover 16 of this pump 15, and this cover 16 is also attached to the partition plate 3 with screws from the heat exchange chamber 5 side.
is fixed around the notch 56 of. Therefore, when performing service inspection of this bomb 15, the inlet pipe 6 of the bomb 15 must be
3. By removing the hot water pipe 19 from the outlet pipe 64 and then 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 16 can be taken out. Here, in the heat exchange chamber 5, there are fewer members around the cover 16 than in the machine room 4, and since this is a part of the ventilation path, it is easy to service and replace it.

Furthermore, since the heavy bomb 15 is fixed below the partition plate 3 via the mounting plate 59, the boiler 1 is attached to the upper part of the partition plate 3.
2 is attached, there is little risk that this partition plate 3 will topple over due to the weight of the spoiler 12.

<G> Effects of the invention As described above, the present invention has a housing part that controls the operation of the blower and compressor in the main body of the heat exchange unit, and a part of the exterior panel of the unit. The unit consists of an upper panel with an L-shaped cross section that covers the electrical components and the upper part of the front part of the main body, and a front panel located below this upper panel, and the lower part of this upper panel and the front panel. Since the upper part is fastened together with a fixing device, the top panel can be removed individually when servicing electrical components, and the front panel can be removed individually when servicing the blower, compressor, etc.
The service inspection work can be performed efficiently in a short time.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention, and FIG. 1 is a perspective view from the front showing the internal structure of the heat exchange unit, FIG. 2 is a perspective view from the rear showing the internal structure of the unit, and FIG. is a perspective view of the same unit, Figure 4 is a perspective view of the unit showing the installed state, Figure 5 is a front view of the unit showing the assembled state, and Figure 6 shows the main parts of the machine room of the unit. FIG. 7 is an exploded perspective view showing the relationship between the partition plate, bomb, and cover of the same unit. 1... Heat exchange unit, 6... Heat exchanger, 7
...Blower, 9,10...Electrical parts, 21.
...Compressor, 3 3...Upper panel, 34...Front panel, 4 4...Fixing tool.

Claims (1)

[Claims] 1) In a heat exchange unit in which a main body including a heat exchanger, a blower, and a compressor is covered with an exterior panel, electrical components for controlling the operation of the blower and compressor are arranged in the upper part of the main body, and the exterior A part of the panel is composed of an upper panel having an L-shaped cross section that covers the electrical components and the upper part of the front of the main body, and a front panel located below the upper panel,
A heat exchange unit characterized in that the lower part of the upper panel and the upper part of the front panel are fastened together with a fixture.