JPH11132571A - Outdoor combustor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an outdoor combustor in which rain water intruding into the body through an exhaust opening made in the front panel can be drained to the outside without wetting an ignition electrode or electric apparatuses within the body. SOLUTION: A rain receiving tray 11 is disposed laterally under an exhaust opening 8 in the inner surface of a front panel 6 such that the central side 13 is lower than the end side 14. A rain receiving guide 15 has one end coupled with the end side 14 of the rain receiving tray 11 and the other end arranged longitudinally downward. The standing part 12 of the rain receiving tray 11 and the standing piece 16 of the rain receiving guide 15 define the V-shaped cross-section at the part where rain water flows. According to the structure, rain water intruding into the body 1 through the periphery of the exhaust opening 8 in the front panel 6 is prevented from flowing over the standing part 12 of the rain receiving tray 11 and the standing piece 16 of the rain receiving guide 15 to wet electric parts, e.g. an ignition electrode, within the body and drained after being guided to the bottom face of the front panel 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outdoor installation type combustion apparatus for burning fuel such as gas or petroleum to heat tap water or a circulating fluid flowing in a hot water heating circuit.

[0002]

2. Description of the Related Art Conventionally, in this type of apparatus, tap water is supplied for heating hot water in an appliance body composed of a substantially box-shaped main body casing having an open front and a front panel. In order to heat the circulating fluid flowing in the hot water heating circuit such as hot water floor heating, hot water hot air heater and hot water radiator installed in After mixing air and fuel such as gas or petroleum, the fuel is ignited and burned, the heat exchange section is heated by the generated combustion gas, and tap water or circulating fluid is sent to the heat exchange section to exchange heat, thereby changing the temperature. Was raised and then sent out of the instrument body.

[0003] The combustion gas that has passed through the heat exchange section is
The air was exhausted to the outside of the instrument main body from an exhaust portion facing the outside of the instrument main body through the exhaust port opened in the front panel.

[0004] By the way, since this burning appliance is installed outdoors, it is directly hit by rainwater when it rains. Therefore, a seal is provided between the main body casing and the front panel and between the exhaust portion and the exhaust port of the front panel. Then, rain did not come into the instrument body.

Further, under the exhaust port on the inner surface of the front panel, even if rainwater seeps from between the exhaust section and the exhaust port of the front panel, the ignition electrode of the combustion section, the terminal, and the connection portion of the electric wire are wet. In order to prevent rainwater from entering, a rain tray set up at a right angle to the front panel receives rain water.

[0006]

However, when a large amount of rainwater enters between the exhaust portion and the exhaust port of the front panel due to deterioration of the seal or heavy rain or wind and rain, the rainwater passes over the rain receiving tray. It wraps around the other side of the rain tray and wets the ignition electrode, the terminal, the connection part of the electric wire, the combustion tube, etc. Occasionally, the vehicle may not operate normally or stop due to a malfunction such as a false signal.

[0007]

The present invention pays attention to this point, and in order to solve the above-mentioned drawbacks, in particular, the configuration of the present invention is a substantially box-shaped appliance main body composed of a main body casing having an open front and a front panel. Inside, a combustion section, a heat exchange section, and an exhaust section are arranged, and in the outdoor installation type combustion apparatus in which the exhaust section is made to pass through an exhaust port opened in a front panel and face the outside of the apparatus body, A rain receiving tray having an upright portion provided upward at an acute angle to the inner surface of the front panel is obliquely provided below the exhaust port on the inner surface of the front panel so that the end side is lower than the center side of the front panel. A rain receiving guide having a standing piece provided toward the end of the front panel so as to form an acute angle with respect to the inner surface of the front panel, with one end connected to the end of the rain receiving tray and the other end directed downward It is provided vertically.

[0008]

The rainwater infiltrates from the exhaust port sealing member 29 which seals between the exhaust port 8 of the front panel 6 and the exhaust section 28 which passes through the exhaust port 8 and faces the outside 1 of the instrument body. When it comes, the infiltrated rainwater flows to the rain receiving tray 11 provided below the exhaust port 8 on the inner surface of the front panel 6. The rain receiving tray 11 has an upright portion 12 provided upward so as to form an acute angle with respect to the inner surface of the front panel 6, and further has an end 14 from the center 13 of the front panel 6 of the rain receiving tray 11.
The rainwater flowing into the rain receiving tray 11 cannot flow over the upright portion 12 of the rain receiving tray 11 and flows toward the end side 14 because the water is lowered. .

Further, the rain water flows to a rain receiving guide 15 provided with one end connected to the end side 14 of the rain receiving tray 11 and the other end directed downward. Since the rain receiving guide 15 is provided with the standing piece 16 toward the end of the front panel 6 so as to form an acute angle with the inner surface of the front panel 6, the rain receiving tray 1
The rainwater that has flowed to the end 14 of the first part cannot cross the standing piece 16 of the rain receiving guide 15 and flows toward the bottom surface of the front panel 6 along the rain receiving guide 15.

The rainwater flowing to the bottom surface of the front panel 6 is drained out of the front panel 6 through a drain hole 24 formed in the bottom surface of the front panel 6.

[0011]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of an outdoor-installed combustion apparatus according to the present invention. Reference numeral 1 denotes an appliance main body of an outdoor-installed combustion appliance, which is a substantially box-shaped main casing 5 composed of a top plate 2, a middle plate 3 and a bottom plate 4 in which a side plate and a back plate are integrated, and a front surface of the main casing 5. And a front panel 6 having a substantially U-shaped cross section that closes the opening portion.

Reference numeral 7 denotes an intake port, which is formed in a convex shape from the outer surface to the inner surface of the front panel 6 in an upward opening direction, and is formed in a large number in the vertical direction from the upper center to the middle of the front of the front panel 6. is there.

Reference numeral 8 denotes an exhaust port, which is open at the upper right of the front panel 6 in front of the front panel 6, and forms an exhaust port receiving portion 9 by bending the periphery of the hole at right angles from the outer surface to the inner surface of the front panel 6. Is what you are doing.

Numeral 10 denotes a cooling port for cooling electrical components arranged in the appliance main body 1. The cooling port is formed in a convex shape from the outer surface to the inner surface of the front panel 6 so as to face upward in the opening direction. A plurality is formed vertically from the middle to the lower left.

Numeral 11 denotes a rain tray, which is an upright portion 1 provided upwardly so as to form an acute angle with the inner surface of the front panel 6.
2 and furthermore, it is provided obliquely so that the end 14 is lower than the center 13 of the front panel 6 of the front panel 6 of the rain receiving tray 11 and provided laterally below the exhaust port 8 on the inner surface of the front panel 6. It is.

A rain receiving guide 15 is provided with a standing piece 16 facing the end of the front panel 6 so as to form an acute angle with the inner surface of the front panel 6, and one end thereof is connected to the end 14 of the rain receiving tray 11. And the other end is provided vertically downward.

Reference numeral 17 denotes an intake receiver, which has a vertically long box shape with a substantially U-shaped cross section, and is provided on the inner surface of the front panel 6 so as to cover all the intake ports 7 formed in a convex shape on the inner surface of the front panel 6. An air hole 18 through which all the air sucked from the air inlet 7 passes is provided above the bottom surface of the air inlet 17.
Are formed.

A drain hole 19 is formed at the lower end of the bottom surface of the intake receiver 17 for draining rainwater that has entered the intake receiver 17 from the intake port 7.

Reference numeral 20 denotes a rain shield, which is a vertically long plate having a substantially L-shaped cross section. Even if rain water enters the front panel 6 from the cooling port 10, a power transformer 21 disposed in the appliance body 1, An operation signal transmitted by operating an operation button of an indoor operation panel, an indoor unit, or the like is received via a signal line, and an electric device such as a printed circuit board 22 that controls operation of the combustion appliance based on the operation signal is received. Cooling port 1 formed in a convex shape on the inner surface of front panel 6 so that the product does not get wet.
0, which is vertically disposed on the inner surface of the front panel 6 so as to cover the entirety of the front panel 6, and the lower portion of the rain shield 20 is provided obliquely so as to be lower than the end of the front panel 6. is there.

Reference numeral 23 denotes a heat insulating member provided on the inner surface of the front panel 6 so that the front panel 6 is not heated to a high temperature by heat generated by fuel combustion.

Reference numeral 24 denotes a drain hole, which is opened at the bottom of the front panel 6 and drains rainwater collected on the bottom of the front panel 6 to the outside of the front panel 6.

Reference numeral 25 denotes a combustion section, which is disposed on the right side as viewed from the front in the apparatus main body 1, mixes supplied fuel oil and combustion air, and ignites the mixture with an ignition electrode 26 to burn. is there.

Reference numeral 27 denotes a heat exchange unit, which is disposed above the combustion unit 25, and heats tap water and circulating liquid passing through a pipe provided in the heat exchange unit 27 through the combustion gas generated in the combustion unit 25. Things.

Reference numeral 28 denotes an exhaust unit for exhausting the combustion gas passing through the heat exchange unit 27 to the outside of the apparatus main body 1.
7, and the front panel 6 is attached to the main body casing 5.
When it is attached to the front opening of the device, it is exposed outside the instrument body 1 through the exhaust port 8 of the front panel 6.

Reference numeral 29 denotes an exhaust port sealing member, which is a doughnut-shaped elastic member. The exhaust port 28 and the exhaust port are provided so that rainwater does not enter between the exhaust section 28 and the exhaust port receiving section 9 of the exhaust port 8. 8 is provided in a gap between the discharge port 8 and the exhaust port receiving section 9.

Reference numeral 30 denotes a substantially box-shaped air supply portion, and an air receiving portion 31 which is in close contact with the ventilation hole 18 of the intake receiver 17 is provided above.

Reference numeral 32 denotes a blower, which is connected to the air supply section 30 through the intake port 7.
The air sucked in is blown to the combustion section 25 as combustion air.

Numeral 33 denotes an oil receiving portion, which sends fuel oil from a fuel tank (not shown) outside the instrument main body 1 to always store a fixed amount of fuel. The oil is sent to the combustion unit 25 by the above.

Next, the operation of the above embodiment will be described.
Rainwater that has entered the instrument body 1 from the exhaust port sealing member 29 that seals between the exhaust unit 28 and the exhaust port 8 of the front panel 6 is first distributed laterally below the exhaust port 8 on the inner surface of the front panel 6. It flows to the installed rain tray 11.

The rain receiving tray 11 is provided with the upright portion 12 facing upward so as to form an acute angle with the inner surface of the front panel 6, so that the upright portion 12 of the rain receiving tray 11 and the inner surface of the front panel 6 are provided. This forms a V-shape with a cross section open upward, and the V-shaped portion receives rainwater that has entered through the exhaust port 8.

The angle formed by the V-shape is an acute angle smaller than a right angle of 70 degrees, and the rain receiving tray 11 has an end 14 from an end of the front panel 6 with respect to a center 13 from a center of the front panel 6. The rainwater flowing into the rain receiving tray 11 is provided at an angle so as to lower the
1 cannot rise over the upright portion 12 and go into the apparatus main body 1, and along the inclination of the rain receiving tray 11,
It flows to 4.

An upper end of a rain receiving guide 15 is connected to an end 14 of the rain receiving tray 11 so that the lower end faces the lower side of the front panel 6 and is located at an end of the inner surface of the front panel 6. The rainwater flowing to the end 14 of the rain receiving tray 11 flows to the rain receiving guide 15 through the connection portion.

The rain receiving guide 15 is provided with the upright piece 16 toward the end of the front panel 6 so as to form an acute angle with the inner surface of the front panel 6. The cross section of the front panel 6 and the inner surface of the front panel 6 is
Is formed in a V-shape which is open in the side direction of the vehicle, and the V-shaped portion receives rainwater.

The angle formed by the V-shape is also 70 °, which is an acute angle smaller than a right angle, and the rainwater flowing into the rain receiving guide 15 can get over the standing piece 16 of the rain receiving guide 15 and flow into the apparatus main body 1. Instead, it flows along the rain catch guide 15 to the bottom surface of the front panel 6.

The rainwater flowing to the bottom surface of the front panel 6 is drained out of the front panel 6 through a drain hole 24 opened in the bottom surface of the front panel 6.

Therefore, the rainwater that has entered the instrument body 1 from between the exhaust port 8 of the front panel 6 and the exhaust section 28 is inclined and disposed laterally below the exhaust port 8 on the inner surface of the front panel 6. Rain receiving tray 11 and a rain receiving guide 1 vertically connected with one end connected to the end 14 of the rain receiving tray 11.
5, the portion where the rainwater flows is guided to the bottom surface of the front panel 6 by the rain receiving tray 11 and the rain receiving guide 14.
Since the cross section is substantially V-shaped and the angle of the V-shape is acute due to the upright portion 12 and the upright piece 16, the rainwater flows into the upright portion 12 of the rain receiving tray 11 and the upright piece 16 of the rain receiving guide 14. , And cannot enter the appliance main body 1, and electric components such as the ignition electrode 26 in the appliance main body 1 do not get wet.

Next, the rainwater that has entered through the intake port 7 of the front panel 6 flows toward the bottom surface of the intake receptacle 17 inside the intake receptacle 17 provided on the inner surface of the front panel 6 so as to cover the entire intake port 7. Then, the air flows out of the intake receiver 17 through the water drain hole 19 formed at the lower end of the bottom portion of the intake receiver 17,
The rainwater that has flowed out of the intake receiver 17 flows along the inner surface of the front panel 6 and to the bottom surface of the front panel 6 without wetting electrical components and the like in the appliance body 1.

Next, rainwater that has entered from the cooling port 10 of the front panel 6 is vertically disposed on the inner surface of the front panel 6 so as to cover all the cooling ports 10 formed in a convex shape on the inner surface of the front panel 6. It hits the inner surface of the rain shield 20 and further rain shield 2
The water flows downward along the inner surface of the front panel 0 and flows out from the end in the front panel 6 along the inclination of the lower part of the rain shield 20. Then, the rainwater that has flowed flows to the bottom surface of the front panel 6 without wetting electrical components and the like in the appliance main body 1 through the portion of the inner surface of the front panel 6 from the end.

[0039]

As described above, according to the present invention, a combustion section, a heat exchange section, and an exhaust section are provided in a substantially box-shaped apparatus main body composed of a main body casing having an open front and a front panel. In an outdoor-installed combustion apparatus in which the exhaust section is made to pass through an exhaust port opened in a front panel and is exposed outside the apparatus main body,
A rain receiving tray having an upright portion provided upward at an acute angle to the inner surface of the front panel is obliquely provided below the exhaust port on the inner surface of the front panel so that the end side is lower than the center side of the front panel. A rain receiving guide having a standing piece provided toward the end of the front panel so as to form an acute angle with respect to the inner surface of the front panel, with one end connected to the end of the rain receiving tray and the other end directed downward Since rainwater intrudes into the instrument body from between the exhaust port on the front panel and the exhaust section, the rainwater is first inclined and placed horizontally below the exhaust port on the inner surface of the front panel. It flows through the rain receiving tray provided, and one end is connected to the end of the rain receiving tray, flows through the vertically disposed rain receiving guide, is guided to the bottom surface of the front panel, and the components and electrical components in the appliance body 1 Can be prevented from getting wet.

Further, both the rain receiving tray and the rain receiving guide have a substantially V-shaped cross section at the portion where the rain water flows due to the upright portion and the upright piece, and the V-shaped angle is an acute angle. It is not possible to get over the standing portion of the rain catch tray and the standing piece of the rain catch guide and enter the equipment main body, and it is possible to more reliably prevent the parts and electric components in the equipment main body from getting wet.

[Brief description of the drawings]

FIG. 1 is a front view showing a combustion apparatus provided with an embodiment of the present invention.

FIG. 2 is a front view showing a state in which a front panel has been removed from the instrument body.

FIG. 3 is a sectional view taken along the line AA of FIG. 1;

FIG. 4 is a rear view of the front panel.

FIG. 5 is a sectional view taken along the line BB in FIG. 4;

FIG. 6 is a sectional view taken along the line CC in FIG. 4;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Instrument main body 5 Main body casing 6 Front panel 8 Exhaust port 11 Rain tray 12 Standing part 13 Center side 14 End side 15 Rain receiving guide 16 Standing piece 25 Combustion part 27 Heat exchange part 28 Exhaust part

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Takashi Tomita 7-7 Higashi Shinbo, Sanjo City, Niigata Prefecture

Claims (1)

[Claims] 1. A combustion unit, a heat exchange unit, and an exhaust unit are disposed in a substantially box-shaped appliance main body composed of a main body casing having an open front and a front panel, and the exhaust unit is opened in the front panel. In the outdoor-installed combustion apparatus having the exhaust port penetrated and facing the outside of the apparatus main body, a rain receiving tray having an upright portion provided upward at an acute angle to the inner surface of the front panel is provided. A standing piece provided diagonally below the exhaust port on the inner surface of the front panel so that the end side is lower than the center side of the front panel, and provided toward the end of the front panel so as to form an acute angle with respect to the inner surface of the front panel. An outdoor-installed combustion apparatus characterized in that a rain catch guide having the above structure is provided with one end connected to the end of the rain catch tray and the other end directed downward.