JPH03217738A - Heat exchange unit - Google Patents

Abstract

PURPOSE:To reduce deviation in weight balance of a heat exchange unit and improve the workability for transportation and installation by arranging a compressor and heater in a machine room in the longitudinal direction. CONSTITUTION:The frame of a combustion block 52 consists of a partition board 3, support leg 25 and a backing board 24 which connects these two. A boiler 12 and pump 15 are fixed on the partition board 3, a reserve tank 27 and pressure tank 17 are fixed on the backing board 27, and a connecting tool 18 is fixed on an end plate 30 which is located on the top of the support leg 25, and a space 54 is formed at the lower center of the block 52. When the block 52 is placed from the top of a compressor 21, the compressor 21 is located in the space 54 at the lower center of the block 52. Apparatus with heavy weights such as the compressor 21 and boiler 12, etc., are arranged in the front and back of a machine room 4. Therefore, the balance for the center of gravity in the machine room 4 stays around the center in the longitudinal direction of a heat exchange unit 1, and the center of gravity for the heat exchange unit 1 do not greatly slip in the longitudinal and lateral directions.

Description

DETAILED DESCRIPTION OF THE INVENTION (A) Industrial Application Field The present invention relates to a heat exchange unit that combines a heat medium heater with 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 Patent Laid-Open No. 1-98843.

This involves setting up a partition plate at the bottom to divide the inside of the main body into a machine room and a heat exchange room, and straddling the heat exchanger built into this heat exchange room and above the partition plate. A mounting plate is provided and a heater is mounted on the mounting plate.

(c) Problems to be Solved by the Invention If a relatively heavy device such as a heater or bomb fixed to the mounting plate is located above the compressor, the superimposition balance of the heat exchange unit will be biased. This heat exchange unit sometimes falls over during transportation, and the installation workability of this heat exchange unit is sometimes poor.

An object of the present invention is to reduce the unbalance of the weight of a heat exchange unit to improve transportation and installation workability.

(2) Means for Solving the Problems In order to achieve this object, the present invention arranges a compressor and a heater in a longitudinal direction in a machine room of a heat exchange unit.

(*) By arranging the working compressor and heater in the longitudinal direction, the center of gravity in the machine room is balanced near the center of this unit in the longitudinal direction.

(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 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 plate of the heat exchange unit 1, and 3 is a partition plate erected on this bottom plate, which divides the upper part of the bottom plate 2 into a machine room 4 and a heat exchange room 5. ing. 6 is a heat exchanger placed in the machine room 4, 7 is a blower placed in front of this heat exchanger 6, and 8 is a dish-shaped box plate placed above this machine room 5, on the left side. Arranged on the right side are the housing parts 9 of combustion (heating) equipment such as a boiler, and on the right side are the electrical parts 10 of cooling equipment such as a compressor. These fitting parts 9 and 10 are covered with a cover 11 made of transparent resin. 12 is a heating medium (water) heater (hereinafter referred to as "poiler"), 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 pump for supplying water to the boiler 12, and 16 is a cover for this pump 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 cabillary 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 back surface of this unit, a side panel 32 (see Fig. 3) that constitutes the other side surface, and a cross section that constitutes the top surface and the upper front surface. It is composed of an L-shaped upper panel 33 and a front panel 34 that forms 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.
IIWI1, the height dimension L of the heat exchange unit is approximately 6001
111, and therefore, a gap 43 of about 100 ml is maintained between the balcony ceiling 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 1 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 room 5 and the machine room 4 can be completely 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. Use it as a fulcrum and lift it upward (see the solid arrow in FIG. 4) to remove the mounting hole 48 of the rear piece 47 of the upper panel 33 from the protrusion 49 of the rear panel 31 (see FIG. 2). This opens the upper part of the heat exchange unit 1.

In this way, the upper panel 33 is removed individually when servicing the electrical components 9 and 10, and the front panel 34 is removed individually when servicing the boiler 12 and blower 7, making the servicing 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 about 100 m between the ceiling of the balcony and the top surface of the heat exchange unit 1, and this gap 43 can be used to perform the above-mentioned service inspection. Do this. Here, the front piece of the upper panel 33 is shortened (separate from the front panel 34), so when the upper panel 33 is lifted upward, the trajectory of the front piece of the upper panel 33 is It will no longer protrude forward. Specifically, the top panel 33 can be removed if the gap 50 between the front panel 34 of the heat exchange unit 1 and the hanging metal fitting 39 is maintained at about the dimension A (approximately 1501111). 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 this 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 explained later. In this way, the boiler 12 and bomb 15 are placed on the partition plate 3, and the reserve tank 27 and pressure tank 17 are placed on 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 1 to the side thereof, the two pipes 19 and 55 do not intersect with each other. 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 pump 15, where 56 is a notch formed at the bottom of the partition plate 3, 57 is a flange piece of the bomb 15, and the lower piece 58 is fixed to the raised portion 60 of the mounting plate 59. Reference numerals 61 denote mounting pieces erected at the front and rear of this mounting plate 59 (the rear mounting piece is hidden behind the pump 15), and these mounting pieces 61 are installed 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 bomb 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 bomb 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 the compressor and the heater arranged in the front-rear direction in the machine room of the heat exchange unit in which the compressor and the heater are arranged. The center of gravity in the room is balanced near the center of the unit in the longitudinal direction, making it easier to transport and install the heat exchange unit.

[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, FIG. 4 is a perspective view of the same unit showing the installed state, and FIG. 5 is a perspective view of the same unit showing the assembled state.
FIG. 6 is a plan view showing the main parts of the machine room of the unit, and FIG. 7 is an exploded perspective view showing the relationship between the partition plate, bomb, and cover of the unit. 1... Heat exchange unit, 2... Bottom plate, 3...
・Partition plate, 4... Machine room, 5... Heat exchange room, 6... Heat exchanger, 12... Heater, 2
1... Compressor.

Claims (1)

[Claims] (1) A heat exchange unit in which the main body is divided by a partition plate into a machine room containing a compressor and a heat exchange chamber containing a heat exchanger, and a heat medium heater is built into the main body. A heat exchange unit characterized in that the compressor and the heater are arranged in the front-rear direction in the machine room.