JPH03217737A - Heat exchange unit - Google Patents

Abstract

PURPOSE:To secure a sufficient service space for a pump by a method wherein a notch is provided at a lower part of a partition board, and a pump is attached from the heat exchange room side at this notch. CONSTITUTION:A notch 56 is formed at a lower part of a partition board 3, and a lower piece 58 of a flange piece 57 on a pump 15 is fixed on a protrusion on an attaching plate 59. Attaching pieces 61 are erected at the front and rear of the attaching plate 59, and fastened by screws around the notch 56 on the partition board 3 from a heat exchange room 5 side. A flange piece 62 of a cover 16 for the pump 15 fixes the cover 16 around the notch 56 on the partition board 3 by screws from the heat exchange room 5 side. Therefore, when a service check for the pump 15 is performed, hot water pipes 19 are removed from an inlet pipe 63 and outlet pipe 64 of the pump 15, and then, the screws for the flange piece 62 and attaching pieces 61 are removed from the heat exchange room 5 side, and thus, the pump 15 and the cover 16 can be removed. In the heat exchange room 5, less members are located around the cover 16, comparing with the inside of a machine room 4, and therefore, a service replacement can be easily performed.

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 Application Laid-Open No. 1-98843.

The contents are as follows: A partition plate is placed on the bottom plate to divide the inside of the main body into a machine room and a heat exchange room. A mounting plate is provided and a heater is mounted on the mounting plate.

(The problem that the barrel invention aims to solve) Since all the combustion equipment such as heaters and pumps are placed on the mounting plate, there is a risk that there will not be enough service space for pumps, heaters, etc. Ta.

The object of the present invention is to ensure sufficient service space for the pump.

(2) Means for Solving the Problems In order to achieve this object, the present invention provides an opening at the bottom of a partition plate that divides the inside of the main body into a machine room and a heat exchange room, and a pump is installed in this opening. The partition plate is installed from the heat exchange room side.

(*) The pump can be removed from the heat exchange unit by removing the screws that attach this pump from the heat exchange chamber side.

(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 pump and discharged by the pump 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 the heat exchanger 6; 8 is a dish-shaped electrical equipment board placed above the machine room 5; 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 enclosure parts 9 and 10 are covered with a transparent resin cover 11. Reference numeral 12 denotes a heater (hereinafter referred to as a "boiler") for a heat medium (water), which is fixed to the partition plate 3. 13
14 is a blower for supplying air for combustion to the boiler 2, 15 is a pump for supplying water to the boiler 2, and 16 is a cover for this pump 15. 17 is a breather 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 press 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 an outlet 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.
111, the height dimension L of the heat exchange unit is approximately 600IIW
I1, therefore, a gap 43 of approximately 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 "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 either side, and then move the upper panel 33 using the lower edge of the piece 47 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 performing a service inspection of the housing parts 9 and 10, and the front panel 34 is removed individually when performing a service inspection of the boiler 12 and blower 7, so that the service work can be done efficiently. It can be done in a short time. In particular, when performing a service inspection of the electrical components 9 and 10, there is a gap 43 of approximately 100 cm 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, 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 fitting 39 is maintained at about the dimension A (approximately 15011111). 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 pump 15 is attached to the lower end of the pump 15 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 connected to the partition plate 3, and the reserve tank 27 and pressure 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 the 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 in the front and rear of the machine room 4 in this way, 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 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 pump 15, and its 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 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 pump 15, the inlet pipe 6 of the pump 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 pump 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 mentioned above, the present invention utilizes a part of the ventilation path of the heat exchange room as a space for pump service inspection, making this inspection work easier. By installing the pump at the bottom of the partition plate,
The partition plate is stable with respect to the bottom plate and can be easily assembled.

[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 showing the assembled state of the unit, and Figure 6 is a main part of the machine room of the unit. FIG. 7 is an exploded perspective view showing the relationship between the partition plate, pump, and cover of the same unit. 1... Heat exchange unit, 2... Bottom plate, plate,
4... Machine room, 5... Heat exchange room, heater, 5
6...Notch opening. 3...Partition 12...Additional

Claims (1)

[Claims] (1) Divide the main body into a machine room and a heat exchange room using a partition plate,
In a heat exchange unit in which a heat medium heater and a pump for delivering the heat medium are built into the main body, a notch is provided at the bottom of the partition plate, and the pump is inserted into the notch in the partition plate. A heat exchange unit characterized by being installed from the heat exchange room side.