JPH03217736A - Heat exchange unit - Google Patents

Abstract

PURPOSE:To keep the assembly workability of a heat exchange unit favorable and make the height dimension of the heat exchange unit smaller by fixing a heater on the machine room side surface of a partition board. CONSTITUTION:On a bottom plate 2, a compressor 21 and a heat exchanger 6, and valve 27, etc., are fixed. In the meantime, 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, and a boiler 12 is fixed at an upper part on a machine room side surface 53 of the partition board 3. Also, at the lower end of this partition board 3, a pump 15 is attached by an attaching plate 59 which extends to the heat exchange room side. Thus, the heater 12 is attached on the machine room 4 side surface of the partition board 3, and therefore, the height of the heat exchange unit 1 can be suppressed from becoming larger, and the assembly workability for this heat exchange unit 1 is improved by attaching the heater 12 on the partition board 3.

Description

DETAILED DESCRIPTION OF THE INVENTION (A) Field of Industrial Application 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 installing a partition plate on the bottom plate to divide the inside of the main body into a machine room and a heat exchange room, and installing the heat exchanger built in this heat exchange room over the partition plate. A plate is provided and a heater is mounted on the mounting plate.

With this configuration, the heater (
By fixing heating equipment such as a boiler or pump, and placing and fixing such a mounting plate on top of the heat exchanger or partition plate, the assembly work of the heat exchange unit is completed, and the work efficiency is improved. It was good.

C) Problems to be Solved by the Invention However, in this heat exchange unit, since the heater and the heat exchanger are arranged in a vertical relationship, there is a risk that the height dimension thereof may become large.

An object of the present invention is to reduce the height of the heat exchange unit while maintaining good assembly workability of the heat exchange unit.

(2) Means for Solving the Problem In order to achieve this object, the present invention provides a method for fixing a heating medium heater to the side of the machine room of a partition plate that divides the inside of the main body into a machine room and a heat exchange room. This is what I did.

(E) The height of the heat exchange unit can be kept small by fixing the heater to the side of the machine room of the functional partition plate.

Further, by attaching a partition plate, this heater is placed in the machine room.

(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 bomb is sent to the cooling/heating heat exchanger of each indoor unit. In Figures 1 and 2, 2 is the bottom plate of the heat exchange unit 1, 3 is the bottom plate of the heat exchange unit The upper part of the bottom plate 2 is divided into a machine room 4 and a heat exchange room 5 by this partition plate temporarily erected at the bottom. 6 is a heat exchanger placed in the machine room 4, 7 is a blower placed in front of the heat exchanger 6, 8 is a plate-shaped electrical equipment board placed above this machine room 5, and on the left side is a Electrical parts 9 of combustion (heating) equipment such as a boiler are arranged on the right side, and heating parts 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 cover 11 made of wood. 12 is a heating medium (water) heater (hereinafter referred to as "boiler"), which is fixed to the partition plate 3. 13
14 is a blower for supplying combustion air 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 blur.
A socier tank 18 is a connector connected to a hot water pipe 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 front surface and an upper part of the front surface. It consists of an upper panel 33 having an L-shaped cross section 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.
ffllll, the height L of the heat exchange unit is approximately 6001
m, therefore, the ceiling of the balcony and the heat exchange unit 1
A gap 43 of approximately 100111 mm is maintained between the upper surface and the upper surface.

When performing a service inspection of the heat exchange unit 1 installed in this condition, first check the fixings (hereinafter referred to as "screws") that fasten the front panel 34 and the upper panel 33 together.
Remove 44. When servicing the boiler 12, blower 7, etc. (other than electrical components 9 and 10), the front panel 34
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 housing parts 9 and 10, remove the screw 44 and use the screw 46 (third
(see figure), then lift the upper panel 33 upward using the lower edge of the rear piece 47 as a fulcrum (see the solid line arrow in Figure 4), and insert the mounting hole 48 of the rear piece 47 of the upper panel 33 into the rear panel. 31 from the protrusion 49 (see Fig. 2). This opens the upper part of the heat exchange unit 1.

In this way, when performing a service inspection of the electrical components 9 and 10, the upper panel 33 can be removed individually, and when performing a service inspection of the boiler 12 and 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 heavy parts 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 is used to carry out the above-mentioned service. Carry out an inspection. Here, since the front piece of the upper panel 33 is shortened (separated from the front panel 34), 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, if the gap 50 between the front panel 34 of the heat exchange unit 1 and the hanging metal fittings 39 is maintained at about dimension A (approximately 150 cm), this top panel 3
3 can be removed. This allows heat exchange unit 1
The dimension A between the front surface of the heat exchange unit 1 and the front portion 517 of the hanging metal fitting 39 can be reduced, and the installation space of 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 pump 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 the compressor 21 are arranged in the front-rear direction in the machine room 4. Since the 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 within the machine room 4 is balanced around 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 its side, 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 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 its lower piece 5B is fixed to the raised portion 60 of the mounting plate 59. Reference numeral 61 denotes mounting pieces erected at the front and rear of this mounting plate 59 (the rear mounting piece is hidden behind the bomb 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 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 boiler 12.

(G) Effects of the Invention As described above, the present invention provides a heat exchange unit with a partition plate that divides the main body of the heat exchange unit into a machine room and a heat exchange room, on the side of the machine room.
Since the heater is attached, it is possible to prevent the height of the heat exchange unit from increasing due to the heater. Furthermore, by attaching this heater to the partition plate, it is possible to improve the workability of assembling this 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, Fig. 5 is a side view showing the assembled state of the same unit, and Fig. 6 shows the main parts of the machine room of the same unit. The plan view and FIG. 7 are exploded perspective views showing the relationship between the partition plate, bomb, and cover of the same unit. 1... Heat exchange unit, 3... Partition plate, 4.
... Machine room, 5... Heat exchange room, 12... Heater.

Claims (1)

[Claims] (1) Divide the main body into a machine room and a heat exchange room using a partition plate,
A heat exchange unit in which a heat medium heater is built in the main body, wherein the heater is fixed to a side surface of the machine chamber of the partition plate.