JPH0697106B2 - Heat exchange unit - Google Patents

Description

TECHNICAL FIELD The present invention relates to a heat exchange unit in which an outdoor unit of a separation type air conditioner is combined with a heater of a heat medium.

(B) Conventional technology Conventionally, as a structural example of this type of heat exchange unit, Japanese Patent Laid-Open No.
There is one such as that disclosed in Japanese Patent Publication No. 1-98843.

The contents are that the partition plate is set up on the bottom plate to divide the inside of the main body into a machine room and a heat exchange chamber, and it is mounted over the heat exchanger and the partition plate built in this heat exchange chamber. A plate is provided and a heater is mounted on the mounting plate.

Since it is configured in this way, if a heating device such as a heater (boiler) or a pump is fixed to the mounting plate in advance, and such a mounting plate is placed and fixed on the heat exchanger or the partition plate, The work of assembling the heat exchange unit was completed, and the workability was good.

(C) Problem 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, the height dimension thereof may be large.

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

(D) Means for Solving the Problem In order to achieve this object, the present invention is to fix a heater of a heat medium to a machine chamber side surface of a partition plate that divides the main body into a machine chamber and a heat exchange chamber. It is the one.

(E) Action By fixing the heater to the side of the partition plate in the machine room, the height of the heat exchange unit can be kept small.

Further, the heater is arranged in the machine room by mounting the partition plate.

(F) Embodiment FIG. 1 and FIG. 2 are views 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 cooling and heating, which has a refrigerant passage for cooling and a heating liquid passage for heating. The refrigerant discharged from the compressor during cooling and condensed in the outdoor heat exchanger, and the heater during heating (hereinafter referred to as the boiler)
The hot water heated by and discharged by the pump is sent to the cooling / heating heat exchanger of the indoor unit.

In FIG. 1 and FIG. 2, 2 is a bottom plate of the heat exchange unit 1, 3 is a partition plate standing on the bottom plate, and the upper side of the bottom plate 2 is divided into a machine room 4 and a heat exchange chamber 5. ing. 6 is a heat exchanger arranged in the machine room 4, 7 is a blower arranged in front of the heat exchanger 6, 8 is a dish-shaped electric equipment plate arranged above the machine room 5, and on the left side is An electric component 9 of a combustion (heating) device such as a boiler is arranged, and an electric component 10 of a cooling device such as a compressor is arranged on the right side. These electrical components 9 and 10 are covered with a transparent resin cover 11. A heating medium (water) heater 12 (hereinafter referred to as “boiler”) is fixed to the partition plate 3. 13 is an exhaust stack,
14 is a blower for supplying combustion air to the boiler 12,
15 is a pump for supplying water to the boiler 12, 16 is this pump 15
Is the cover of. Reference numeral 17 is a pressure tank, 18 is a connecting tool connected to the hot water pipe 19, and the mounting portion 20 is located downward.

21 is a compressor, 22 is an accumulator, and 23 is a capillary tube. Reference numeral 24 denotes a horizontal plate positioned above the compressor 21, one end of which is fixed to the side of the partition plate 3 in the machine chamber and the other end of which is fixed to a mounting plate 26 via a supporting leg 25 (see FIG. 1). There is. 27 is a valve, which is fixed to the mounting plate 26. Here, on the horizontal plate 24, the pressure tank 17, the reserve tank 27, the wind pressure switch 28, the ignition transformer 29, etc. are mounted. On the end plate 30 of this horizontal plate 24, the connecting member 18
Is attached.

The exterior body of the heat exchange unit 1 includes a rear panel 31 forming one side surface and a rear surface of the unit, a side panel 32 forming another side surface (see FIG. 3), and a cross section forming an upper surface and an upper front surface. It is composed of an L-shaped upper panel 33 and a front panel 34 constituting the front surface. Here, a suction port 35 is formed in the rear panel 31, and an outlet grill 36 is formed in the front panel 34. 37 is a pipe cover attached to the side panel, which covers the connector 18 and the terminal board 38.

FIG. 4 shows a state in which the heat exchange unit 1 is hung from the ceiling of the veranda, and 39 is a pair of U-shaped hanging fittings, the upper piece 40 of which is fixed to the lower surface of the ceiling of the veranda.
41 is a receiving plate fixed across these metal fittings, and the leg pieces 42 of the heat exchange unit 1 are attached to this receiving plate. Here, the height dimension H of the hanging metal fitting 39 is about 700 mm, and the height dimension L of the heat exchange unit is about 600 mm. Therefore, the distance S between the ceiling of the veranda and the upper surface of the heat exchange unit 1 is about 100 m.
A gap 43 of m is maintained.

When performing service inspection of the heat exchange unit 1 installed in such a state, first, the fixing tool (hereinafter referred to as "screw") 44 that fastens the front panel 34 and the upper panel 33 together is removed. Boiler 12 and blower 7 (other than electrical components 9 and 10)
At the time of servicing, the front panel 34 alone can be pulled out to the side of the heat exchange unit 1 by removing the screw 45 at the bottom of the front panel 34. As a result, the heat exchange chamber 5
The lower part of the machine room 4 is opened, and the service inspection of the above-mentioned equipment can be performed. On the other hand, when servicing only the electrical components 9 and 10, the screw 46 (see FIG. 3) attached to the side with the screw 44 removed is also removed, and then the upper panel 33 is attached to the lower edge of the piece 47. Using the fulcrum as a fulcrum, lift upward (see solid line arrow in FIG. 4), and remove the mounting hole 48 of the rear piece 47 of the upper panel 33 from the projection 49 (see FIG. 2) of the rear panel 31. As a result, the upper part of the heat exchange unit 1 is opened.

In this way, the upper panel 33 is detached when the service inspection of the electrical components 9 and 10 is performed, and the front panel 34 is detached individually when the service inspection of the boiler 12 and the blower 7 is performed, so that the service work is efficient and short. You can do it in time. Especially electrical components 9,
As for the case of performing 10 service inspections, there is about 100 m between the ceiling of the balcony and the top surface of the heat exchange unit 1.
There is a gap 43 of m, and the above service inspection is performed using this gap 43. 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 locus of the front piece of the upper panel 33 is changed to the heat exchange unit 1 Will not project to the front of. Specifically, if the gap 50 between the front panel 34 of the heat exchange unit 1 and the hanging metal fitting 39 is kept about A (about 150 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 portion 51 of the suspension fitting 39 can be reduced, and the installation space for the heat exchange unit 1 can be reduced.

FIG. 5 is a drawing for explaining the assembled state of the heat exchange unit 1. The compressor 21, the heat exchanger 6, the 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 composed of a partition plate 3, support legs 25, and a receiving plate 24 (see FIG. 2) connecting them. Then, the boiler 12 is fixed to the upper part of the machine room side surface 53 of the partition plate 3. The pump 15 is attached to the lower end of the partition plate 3 via an attachment plate 59 extending toward the heat exchange chamber. This mounting structure will be described later. Boiler 12 like this
The pump 15 is fixed to the partition plate 3, the reserve tank 27 and the pressure tank 17 are fixed to the receiving plate 24, and the connector 18 is fixed to the upper end plate 30 of the support leg 25. A space 54 is formed in the lower center of the block 52. Is forming.

Therefore, if this block 52 is covered from above the compressor 21 as shown by the solid line arrow, the space in the lower center of this block 52 is
The compressor 21 is located at 54.

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-rear direction. In this way, since the heavy equipment such as the compressor 21 and the boiler 12 are arranged in the front and rear of the machine room 4, the center of gravity balance in the machine room 4 is near the center of the heat exchange unit 1 in the front-rear direction, and The center of gravity of No. 1 does not significantly shift in the front-back and left-right directions.

Further, by extending the hot water pipe 19 connected to the boiler 12 and the refrigerant pipe 55 connected to the compressor 21 to the side thereof, these two pipes 19 and 55 do not intersect with each other. And hot water pipe 19
Is connected to the connector 18, and the refrigerant pipe 55 is connected to the valve 27.
In FIG. 6, the backing plate, the 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, and 56 is a notch opening (notch portion) formed in the lower part 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 numeral 61 is a mounting piece that stands in front of and behind this mounting plate 59 (the rear mounting piece is not visible behind the pump 15). These mounting pieces 61 are arranged around the notch 56 of the partition plate 3 from the heat exchange chamber 5 side. It is screwed. 62 is this pump
The cover 16 is a flange piece of 15 and is fixed around the notch 56 of the partition plate 3 from the heat exchange chamber 5 side with a screw. Therefore, when the service inspection of the pump 15 is performed, the hot water pipe 19 is removed from the inlet pipe 63 and the outlet pipe 64 of the pump 15, and then the flange piece 62 and the screw of the mounting piece 61 are removed from the heat exchange chamber 5 side. The pump 15 and its cover 16 can be removed. Here, in the heat exchange chamber 5, the number of members around the cover 16 is smaller than that in the machine chamber 4, and the heat exchange chamber 5 is a part of the ventilation passage, so that the service can be easily exchanged.

Further, a heavy pump 15 is installed below the partition plate 3 by a mounting plate 59.
Even if the boiler 12 is attached to the upper part of the partition plate 3, there is little risk that the partition plate 3 will fall due to the weight of the boiler 12.

(G) Effect of the Invention As described above, the present invention is provided on the machine room side surface of the partition plate that divides the main body of the heat exchange unit into the machine room and the heat exchange room
Since the heater is attached, the height of the heat exchange unit can be prevented from increasing due to the heater. Further, by mounting the heater on the partition plate, the workability of assembling the heat exchange unit can be improved.

[Brief description of drawings]

The drawings show an embodiment of the present invention, FIG. 1 is a perspective view showing the internal structure of a heat exchange unit as seen from the front, FIG. 2 is a perspective view showing the internal structure of the unit as seen from the rear, 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. FIG. 7 and FIG. 7 are exploded perspective views showing the relationship between the partition plate, pump and cover of the unit. 1 ... Heat exchange unit, 3 ... Partition plate, 4 ... Machine room,
5 ... Heat exchange room, 12 ... Heater.

Claims (1)

[Claims] 1. A heat exchange unit in which a partition plate divides the inside of a main body into a machine room and a heat exchange chamber, and a heater for a heat medium is built in the main body. A heat exchange unit that is fixed to the side of the room.