JP2001214737A - Exhaust muffler and air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an exhaust muffler in which a handling is facilitated by shortening a length of drain hose and a manufacture cost is reduced. SOLUTION: An exhaust muffler 46 has a muffler body 91 connected to a space between a gas engine and an exhaust top and a constitution in which an exhaust gas of gas engine is introduced to one end 91A of the muffler body 91 and is discharged from the other end 91B. The muffler body 91 is inclinedly disposed such that one end 91A of the muffler body 91 becomes lower than the other end 91B. A drain port 92 is provided on one end 91A lowered.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an exhaust muffler having a drain port and an air conditioner.

[0002]

2. Description of the Related Art An air conditioner having a machine room in which a compressor driven by a gas engine is housed is generally known. In this type, an exhaust muffler connected between a gas engine and an exhaust top is provided in the machine room, and a neutralizer is arranged at one end of the exhaust muffler.

[0003] In the above-mentioned gas engine, natural gas or the like is used as fuel and is burned, so that a large amount of water is generated in exhaust gas.

FIG. 5 shows a conventional exhaust muffler. The exhaust muffler has a muffler main body 101 connected between the gas engine and the exhaust top, and a neutralizer (not shown) is provided on one end 101A side of the muffler main body 101. One end of the muffler body 101 is provided with an exhaust gas A of a gas engine from a substantially horizontal direction.
Is introduced from the other end portion 101B in a substantially vertical direction, and is sent to an exhaust top (not shown).

In this conventional configuration, the exhaust muffler is disposed substantially horizontally, and the water contained in the exhaust gas A of the gas engine is pushed rightward in the drawing by the flow of the exhaust gas A. The other end 10 of the muffler body 101
It is discharged through a drain port 103 provided in 1B.

[0006]

However, in the conventional configuration, the neutralizer not shown is provided with the muffler body 101.
Is provided on one end 101A side of the muffler main body 101, the distance between the neutralizer and the drain port 103 provided on the other end 101B of the muffler main body 101 becomes longer, and the length of the drain hose connecting therewith becomes longer. There is a problem that the handling becomes difficult and the manufacturing cost increases.

[0007] Therefore, an object of the present invention is to solve the above-mentioned problems of the prior art, to provide a drain hose having a reduced length, which facilitates its handling and reduces manufacturing costs. It is in.

[0008]

According to the first aspect of the present invention,
An exhaust muffler having a muffler body connected between a gas engine and an exhaust top, having a configuration in which exhaust gas of the gas engine is introduced into one end of the muffler body and the exhaust gas is led out from the other end. The muffler main body is inclined so that one end of the muffler main body is lower than the other end, and a drain port is provided at the lowered one end.

In the present invention, since the drain port is formed at one end of the muffler main body, for example, when the neutralizer is located at this one end, the neutralizer and the drain port are provided as compared with the conventional one. The length of the drain hose required for connection with the hose can be reduced.

According to a second aspect of the present invention, there is provided an air conditioner having a machine room containing a compressor driven by a gas engine, wherein the machine room includes a muffler body connected between the gas engine and an exhaust top. A neutralizer is disposed on one end side of the muffler body, exhaust gas of the gas engine is introduced into one end of the muffler body, and the exhaust gas is led out from the other end. , The muffler main body is inclined and disposed so as to be lower than the other end, and a drain port is provided at the lowered one end, and the drain port and the neutralizer are connected by a drain hose.

According to the present invention, the drain port is formed at one end of the muffler main body, and the neutralizer is located at this one end. The length of the drain hose required for connection can be reduced.

[0012]

An embodiment of the present invention will be described below with reference to the accompanying drawings.

In FIG. 1, reference numeral 1 denotes an outdoor unit. A refrigerant compressor 2 is stored in the outdoor unit 1. The compressor 2 has a gas engine 3 as described later.
Are connected. An oil separator 5 is connected to the compressor 2 via a pipe 4.
Is connected to a four-way valve 7 via a pipe 6. An outdoor heat exchanger 11 is connected to the four-way valve 7 via a pipe 9. 12 is an outdoor blower. An outdoor electric valve 15 is connected to the outdoor heat exchanger 11 via a pipe 13, and the outdoor electric valve 15 is connected to the receiver tank 19 via a pipe 17.
Are connected, and a pipe 21 is connected to the receiver tank 19.

A plurality of indoor units 2 are connected to the pipe 21.
3A to 23E are connected in parallel. The indoor units 23A to 23E include indoor electric valves 25A to 25E, indoor heat exchangers 27A to 27E, and indoor blowers 28A to 28E.
E, which are connected in parallel to the pipe 29.
The pipe 29 is connected to the four-way valve 7. The four-way valve 7 is connected to the double-pipe heat exchanger 33 via the pipe 31, and further connected to the accumulator 35 and the suction pipe of the compressor 2.

A pulley 3 is mounted on the output shaft 3A of the gas engine 3.
The V-belt 37 is hung on the pulley 36, and the V-belt 37 is hung on a pulley 38 fixed to the rotating shaft 2 </ b> A of the compressor 2.

In the heating operation, the refrigerant discharged from the compressor 2 driven by the gas engine is switched by the four-way valve 7 in the flow path as shown by the dotted line,
It is supplied to the indoor units 23A to 23E.

The refrigerant supplied here is supplied to the indoor heat exchanger 2
After heating the room by exchanging heat at 7A to 27E, pipe 2
1, a receiver tank 19, an outdoor electric valve 15, an outdoor heat exchanger 11, a pipe 9, a four-way valve 7, and then a double-pipe heat exchanger 3.
3 and is returned to the suction pipe of the compressor 2 via the accumulator 35.

In the cooling operation, the refrigerant discharged from the compressor 2 is supplied to the outdoor heat exchanger 11 through the pipe 9 after the flow path is switched by the four-way valve 7 as shown by the solid line. Then, the outdoor electric valve 15, the receiver tank 1
9, is supplied to the indoor units 23A to 23E via the pipe 21.

The refrigerant supplied here is supplied to the indoor heat exchanger 2
After cooling the room by exchanging heat at 7A to 27E, the piping 2
9, through the four-way valve 7, to the double-pipe heat exchanger 33, through the accumulator 35, and back to the suction pipe of the compressor 2.

The gas engine 3 is supplied with air fuel introduced through an air cleaner 41, a gas shutoff valve 42,
The gas fuel introduced via the zero governor 43 and the electric valve 44 is mixed and supplied. The exhaust of the gas engine 3 includes an engine exhaust heat exchanger 45, an exhaust muffler 4
6. Through the exhaust top 87. Reference numeral 88 denotes a neutralizer (drain filter). The neutralizer 88 receives the drain from the exhaust top 87, neutralizes the drain, and discharges the same.

Reference numeral 80 denotes an oil tank. A sub oil pan 47 is connected to the oil tank 80 via an electric valve 48. The sub oil pan 47 is connected to an oil pump 81.
Is connected to the gas engine 3. Oil from an oil tank 80 is supplied to the gas engine 3 via a sub oil pan 47, and the oil is used for lubrication of the gas engine 3.

Cooling water circulates through an engine water jacket (not shown) of the gas engine 3, and the cooling water reaches the wax valve 50 via the water pipe 49 after cooling the gas engine 3.

The outdoor heat exchanger 11 is connected to the wax valve 50 via a water pipe 51. In the outdoor heat exchanger 11, the pipe through which the refrigerant flows and the water pipe 51 are separately provided as described above.

During the heating operation described above, the outdoor heat exchanger 1
When the refrigerant flowing through 1 is heated, the heating effect is increased correspondingly.

When the temperature of the hot water flowing through the water pipe 49 becomes equal to or higher than a predetermined temperature, the wax valve 50 reacts and the hot water is supplied to the outdoor heat exchanger 11 through the water pipe 51, and the temperature of the hot water is reduced. Thereby, the refrigerant flowing through the refrigerant pipe is heated. Thereby, it becomes a heat source of the heat pump, and the heating effect is enhanced.

The hot water that has passed through the outdoor heat exchanger 11 reaches an electric three-way valve 53 via a water pipe 52, from which the hot water passes through a water pipe 54, a cooling water pump 55, and further passes through an engine exhaust heat exchanger 45. Returned to the engine jacket.

When the temperature of the hot water flowing through the water pipe 49 is equal to or lower than a predetermined temperature, the heating effect cannot be increased even if the hot water is supplied to the outdoor heat exchanger 11.

Then, the hot water reaches the suction pipe of the cooling water pump 55 via the water pipe 56 via the wax valve 50, and is returned directly to the engine jacket via the engine exhaust heat exchanger 45.

When the engine cooling water is insufficient, FIG.
Is replenished through a water pipe 70 from a reserve tank 69 shown in the upper middle.

In this embodiment, the outdoor unit 1 is configured in two stages, upper and lower, a lower stage as a machine room, and an upper stage as a heat exchange room.

FIG. 2 is a plan view of the lower machine room.

The gas engine 3 is located substantially at the center of the machine room 60.
And the compressor 2 are installed. The gas engine 3 and the compressor 2 are arranged in upper and lower two stages, and a pulley 36 is fixed to an output shaft of the gas engine 3, and a V-belt is applied to the pulley 36. It is hung on a pulley 38 fixed to a rotating shaft.

A maintenance space 61 is provided adjacent to the V-belt so that the V-belt is exposed, and a deep portion of the maintenance space 61 is provided with an oil separator 35, a four-way valve 7, an accumulator 5, etc. Various parts A constituting a cycle are arranged.

The receiver tank 19 shown in FIG. 1 is an optional part among various parts constituting the refrigeration cycle.

On the opposite side of the above-mentioned maintenance space 61 with the gas engine 3 and the compressor 2 interposed therebetween,
Various components B required for driving the gas engine 3, such as the sub oil pan 47 and the neutralizer 88, are arranged.

Further, an engine exhaust heat exchanger 45, an exhaust muffler 46, and the like, which are components C constituting a supply / exhaust system of the gas engine 3, are disposed behind the gas engine 3 and the compressor 2. Reference numeral 71 denotes an electrical box.

FIG. 3 shows the structure of the exhaust muffler 46.

This exhaust muffler 46 has two chambers 46A,
46B, and using these two chambers 46A and 46B,
This is a muffler that expands the exhaust gas A over two stages. The exhaust muffler 46 has a muffler body 91 connected between the gas engine 3 and the exhaust top 87,
The exhaust gas A of the gas engine 3 is introduced into one end 91A of the muffler main body 91, and the exhaust gas A is led out from the other end 91B. This muffler body 91
Is inclined at an angle θ with respect to the horizontal so that one end 91A is lower than the other end 91B, and a drain port 92 is provided in the lowered one end 91A.

FIG. 4 shows the flow of the exhaust gas A passing through the exhaust muffler 46.

The exhaust gas A of the gas engine 3 is first guided to the engine exhaust heat exchanger 45, and then to the exhaust muffler 46 via the first hose 9A as shown in FIG. The exhaust gas A guided here moves rightward in the figure in the muffler main body 91, and from the other end 91B through the second hose 94 and the third hose 95 as shown in FIG. It is led to 87. The first hose 93 to the third hose 95 are hoses having a large outer diameter and constitute an exhaust gas path.

In FIG. 4, L1 denotes a top plate of the machine room 60, and L2 denotes a top plate of a heat exchange room arranged in the upper part of the machine room 60.

The exhaust top 87 is connected to a fourth hose 96 having a small outer diameter. The fourth hose 96 having a small outer diameter is a drain hose for collecting the drain B generated at the exhaust top 87. This drain B is the fifth hose 9
7, is guided to a neutralizer 88, where it is neutralized and discharged to the outside via a sixth hose 98.

The gas engine 3 uses natural gas or the like as fuel and burns it, so that a large amount of water is generated in the exhaust gas A. This water is generated not only in the exhaust top 87 but also in the engine exhaust heat exchanger. 45, the exhaust muffler 46, etc. The drain B generated in the engine exhaust heat exchanger 45 is
The exhaust gas A is led to the exhaust muffler 46 via the first hose 93 together with the exhaust gas A, and is sent to the neutralizer 88 via the seventh hose 99 together with the drain B generated by the exhaust muffler 46. It is guided, neutralized and discharged outside through a sixth hose 98.

In this embodiment, as shown in FIG. 3, one end 91A of the muffler main body 91 is formed lower than the other end 91B, and a drain port 92 is provided in the lowered one end 91A. Therefore, even if the flow of the exhaust gas A is from left to right in the drawing, the drain B accumulated in the muffler main body 91 flows from right to left in the drawing by its own weight and is guided to the drain port 92.

In the conventional configuration, the drain B accumulated in the muffler main body 91 is removed by the flow of the exhaust gas A despite the neutralizer 88 being disposed on the one end 91A side of the muffler main body 91. The drain port was located on the other end 91B side because it was configured to be pushed away to the other end 91B side of 91. Therefore, the length of the hose connecting the neutralizer 88 and the muffler main body 91 is increased, and there is a drawback that the handling of the hose becomes difficult.

In this embodiment, in a device layout in which the neutralizer 88 is arranged on one end 91A side of the muffler main body 91, the drain port 92 is connected to the one end 9 where the neutralizer 88 is located.
1A, the neutralizer 88 and the muffler body 9
The length of the seventh hose 99 connecting the first hose 99 and the first hose 99 can be reduced.

Therefore, there is an effect that the handling can be facilitated and the manufacturing cost can be reduced.

Although the present invention has been described based on one embodiment, it is apparent that the present invention is not limited to this.

[0049]

According to the present invention, the muffler main body is inclined so that one end of the muffler main body is lower than the other end, and the drain port is provided at the lowered one end. The length of the hose connecting the vessel and the muffler body can be shortened, so that the handling can be facilitated and the production cost can be reduced.

[Brief description of the drawings]

FIG. 1 is a circuit diagram showing an embodiment of an air conditioner according to the present invention.

FIG. 2 is a plan view of a machine room.

FIG. 3 is a sectional view of an exhaust muffler.

FIG. 4 is a view showing an exhaust system of the gas engine.

FIG. 5 is a sectional view of a conventional exhaust muffler.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Outdoor unit 3 Gas engine 46 Exhaust muffler 87 Exhaust top 88 Neutralizer 91 Muffler main body 91A One end part 91B Other end part 92 Drain port 93-99 Hose

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Kazunobu Okawa 2-5-5 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (72) Inventor Hideki Fujikawa 2-5-2 Keihanhondori, Moriguchi-shi, Osaka No. 5 Sanyo Electric Co., Ltd. F term (reference) 3G004 AA06 BA06 BA07 DA06 DA23 FA04

Claims (2)

[Claims] A muffler main body connected between a gas engine and an exhaust top is provided, and the exhaust gas of the gas engine is introduced into one end of the muffler main body, and the exhaust gas is led out from the other end. In the exhaust muffler, the exhaust muffler is characterized in that the muffler main body is inclined so that one end of the muffler main body is lower than the other end, and a drain port is provided in the lowered one end. . 2. An air conditioner having a machine room accommodating a compressor driven by a gas engine, wherein the machine room includes a muffler body connected between the gas engine and an exhaust top, and one end of the muffler body. A neutralizer is disposed on the side of the exhaust pipe, and the exhaust gas of the gas engine is introduced into one end of the muffler main body, and the exhaust gas is led out from the other end, and one end of the muffler main body has the other end. The muffler main body is inclined so as to be lower than the lower end, a drain port is provided at the lower end, and the drain port and the neutralizer are connected by a drain hose. .