JP2001221509A - Heating equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide heating equipment which can change the ratio between its hot-air heating ability and radiant heating ability and, at the same time, can realize such perfect radiant heating that no air is blown out of its hot air outlet. SOLUTION: In this heating equipment provided with a heating air course 26 having a hot air outlet 27 through which the combustion gas generated by means of a burner 20 is spread throughout a radiant body 25 and an exhaust opening 28, a hot-air outlet damper 30 which changes the flow rate of the combustion gas to the outlet 27 and an exhaust opening damper 33 which changes the flow rate of the combustion gas to the opening 28 are provided. At the time of performing hot-air heating, therefore, hot air can be fed from the outlet 27 by opening the hot air outlet damper 30 and closing the exhaust opening damper 33. At the time of performing radiant heating, in addition, such radiant heating that air is not blown out of the outlet 27 can be realized by closing the damper 30 and opening the damper 33.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heating device using combustion heat, and more particularly to a heating device using radiant heat.

[0002]

2. Description of the Related Art A conventional heating device of this type generally uses hot air as described in Japanese Utility Model Laid-Open No. 61-74718. As shown in FIG. 10, this heating device is an oil-fired heater provided with a combustor tube 3 including a burner in a heating chamber 2 in which room air is circulated by a blowing means 1, and communicates with the combustor tube to perform combustion. The configuration is such that a panel member having a gas passage is provided. The combustion gas from the combustion tube heats the panel member to generate infrared rays in the room to perform radiant heating and enters the heating chamber 2 and is circulated into the room by the blowing means 1 as warm air, and is always heated by the combined use of warm air and radiation. To do.

[0003] FIG. 11 shows a Japanese Patent Publication No. 6-21689.
According to the publication, a first burner 6 for heating air discharged from the outlet 5 and a radiator in a combustion type heater provided with a fan for discharging air from the inlet from the warm air outlet 5 and a radiator for radiating heat rays. There is disclosed a configuration in which a second burner 8 for heating the heater 7 is provided and a capacity adjusting unit 9 for individually changing the heating capacity is provided, so that the radiant heating state can be appropriately adjusted. In Japanese Patent Publication No. 3-267621 shown in FIG. 12, a combustion gas distribution means 13 for dividing combustion gas generated from a burner 10 into a combustion gas passage 11 for warm air and a combustion gas passage 12 for radiation, and a combustion gas passage for radiation. And a radiant heat generating means 14 for generating radiant heat, and a fan 15 for blowing out the combustion gas passing through the radiant combustion gas passage and the hot air combustion gas passage. And the radiant heat generated by the radiant heat generating means can be adjusted by adjusting the combustion gas distribution means by the above configuration.

[0004]

[Problems to be solved by the invention]
In the heating device disclosed in Japanese Patent Application Laid-Open No. 1-47418, the terminal of the panel member is opened toward the heating chamber, and is sent out from the hot air outlet to the room together with the combustion gas flowing out of the combustion tube. The heating capacity ratio cannot be changed. Further, the heating device disclosed in Japanese Patent Publication No. Hei 6-21689 has a problem that the structure is complicated such that two burners and a capacity adjusting unit are required. In addition, Tokuhei 3-267
The heating device disclosed in Japanese Patent No. 621 has a configuration in which a fan that blows out combustion gas passing through the combustion gas passage for radiation and the combustion gas passage for warm air is provided, so that hot air is always generated even when performing radiation heating. Was.

[0005] Heating with warm air is effective when the room temperature is raised at a stretch when the room is cold. However, in recent years, the demands of heating users tend to dislike the feeling of airflow in heating using warm air. There is also the problem of mite dung allergens that are heated by hot air.

Accordingly, the present invention realizes a heater having a simple structure capable of changing the ratio of the hot air and the radiant heating capacity and realizing the radiant heating in which the wind does not blow out from the hot air outlet at the time of the radiant heating. It is intended.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a burner, a combustion chamber following the burner, a blower for blowing burner air, and a heat collecting surface heated by the heat of the combustion gas. A radiator having a radiating surface for generating radiant energy, a heating air path having a hot air outlet and an exhaust port for distributing combustion gas to the radiator, and a connecting wind connecting the combustion chamber and the heating air path. Path, a hot air outlet damper that changes the flow rate of the combustion gas from the connecting air path to the hot air outlet, and an exhaust port damper that changes the flow rate of the combustion gas from the connecting air path to the exhaust port. I have. In the case where all the combustion heat is heated with the hot air by the above configuration, the hot air outlet damper is opened and the exhaust port damper is closed. When all the combustion heat is to be radiantly heated, the radiant heating in which the wind does not blow out from the hot air outlet can be realized by closing the hot air outlet damper and opening the exhaust outlet damper.

[0008] Also, a control means for controlling the amount of air blown by the air blowing means, a hot air outlet damper which opens at a low temperature and closes at a high temperature for changing the flow rate of the combustion gas from the connecting air path to the hot air outlet, An exhaust port damper that opens at a high temperature and closes at a low temperature to change the flow rate of the combustion gas to the exhaust port is provided. At the time of radiant heating, the amount of air is reduced and high-temperature warm air is blown into the heating air passage, whereby the warm air outlet damper is closed, the exhaust port damper is opened, and radiant heating in which wind does not blow out from the warm air outlet can be realized.

Further, a burner, a combustion chamber following the burner, a blowing means for blowing air into the burner combustion chamber, and a radiator having a heat collecting surface heated by the heat of the combustion gas and a radiation surface generating radiant energy And a heating air path having a warm air outlet at the lower part and an exhaust port at the upper part for distributing the combustion gas to the radiator, a connecting air path connecting the combustion chamber and the heating air path, and a blowing amount of the blowing means. It is configured to include control means for controlling. When performing radiant heating, the amount of air blown by the air blowing means is reduced. The high-temperature combustion gas heats the radiator toward the exhaust port set above the heating air passage by buoyancy, and the radiator generates radiant energy to perform radiant heating. When performing hot air heating, the amount of air blown by the blower is increased. Since the temperature of the combustion gas is lowered, the buoyancy is weakened, and warm air is blown out from a warm air outlet provided in a lower portion of the heating air passage, thereby performing warm air heating. With the above configuration, the heating method of warm air and radiation can be switched with a simple configuration having no moving parts.

[0010] The fuel cell further includes a burner, a combustion chamber following the burner, a blowing means for blowing air to the burner and the combustion chamber, a heat collecting surface heated by heat of the combustion gas, and a radiation surface for generating radiant energy. A radiator, a heating air path having a hot air outlet and an exhaust port for distributing combustion gas to the radiator, a connecting air path connecting the combustion chamber and the heating air path, and a connecting air path to the hot air outlet. This is a heating device including a hot air blower that blows the combustion gas. It is possible to switch between radiant heating and convection heating by driving / not driving the hot air blower.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A heating apparatus according to a first aspect of the present invention includes a burner for burning fuel, a combustion chamber following the burner, blowing means such as a fan for blowing air to the burner, and heat of combustion gas. A radiator having a heat-collecting surface heated by a radiant surface generating radiant energy, a heating air passage having a hot-air outlet and an exhaust port for distributing combustion gas to the radiator, the combustion chamber and the A connecting air path that connects the heating air path, a hot air outlet damper that changes the flow rate of the combustion gas from the connecting air path to the hot air outlet, and an exhaust port damper that changes the flow rate of the combustion gas from the connecting air path to the exhaust port. It consists of the following. In the case where all the combustion heat is heated by the hot air with the above configuration, the hot air outlet damper is opened and the exhaust port damper is closed, so that the air generated as the hot air by the heat generated by the combustion gas is blown from the outlet. When all the combustion heat is to be radiantly heated, the radiant heating in which the wind does not blow out from the hot air outlet can be realized by closing the hot air outlet damper and opening the exhaust outlet damper.

A heating device according to a second aspect of the present invention has control means for controlling the amount of air blown by the air blowing means, and opens at a low temperature and closes at a high temperature to change the flow rate of the combustion gas from the connecting air passage to the hot air outlet. It has a configuration in which a hot air outlet damper laminated with a shape memory alloy or a material with a different expansion coefficient and an exhaust port damper that opens at high temperature and closes at low temperature to change the flow rate of combustion gas from the connecting air path to the exhaust port are provided. . In the case of hot air heating, the amount of air is increased and low-temperature hot air is blown into the heating air path to open the hot air outlet damper, close the exhaust port damper, and blow hot air from the hot air outlet. In addition, in the case of radiant heating, the amount of air is reduced and high-temperature hot air is sent to the heating air path, closing the hot air outlet damper and opening the exhaust port damper to realize radiant heating in which wind does not blow out from the hot air outlet. it can.

[0013] According to a third aspect of the present invention, there is provided a heating apparatus, comprising: a burner for burning fuel; a combustion chamber following the burner;
A blowing means for blowing air to the burner, a radiator having a heat collecting surface heated by the heat of the combustion gas and a radiating surface for generating radiant energy, and a hot air outlet at a lower portion for spreading the combustion gas to the radiator And a heating air path having an exhaust port at an upper portion, a connecting air path connecting the combustion chamber and the heating air path, and a control means for controlling an air blowing amount of a blowing means. When performing radiant heating, the amount of air blown by the air blowing means is reduced. The high-temperature combustion gas heats the radiator toward the exhaust port set above the heating air passage by buoyancy, and the radiator generates radiant energy to perform radiant heating. When performing hot air heating, the amount of air blown by the blower is increased. Since the temperature of the combustion gas is lowered, the buoyancy is weakened, and warm air is blown out from a warm air outlet provided in a lower portion of the heating air passage, thereby performing warm air heating.
With the above configuration, the heating method of warm air and radiation can be switched with a simple configuration having no moving parts.

According to a fourth aspect of the present invention, there is provided a heating apparatus, comprising: a burner; a combustion chamber following the burner; a blowing means for blowing air to the burner; a heat collecting surface heated by the heat of the combustion gas; A radiator having a radiating surface, a heating air path having a hot air outlet and an exhaust port for distributing combustion gas to the radiator, a connecting air path connecting the combustion chamber and the heating air path, and a connecting wind. The heating device includes a hot air blower that blows combustion gas from a road to a hot air outlet.
The "radiant heating / convective heating" can be switched by "driving / not driving" the hot air blower.

[0015]

Embodiments of the present invention will be described below with reference to the drawings.

(Embodiment 1) FIG. 1 is a cutaway perspective view of a main part of a heating apparatus according to Embodiment 1 of the present invention, FIG. 2 is a cross-sectional view of the heating apparatus at the time of hot air heating, and FIG. It is sectional drawing.

1 to 3, reference numeral 20 denotes a burner for burning fuel, and reference numeral 21 denotes a combustion chamber following the burner.
Reference numeral 22 denotes a blowing means such as a fan for blowing air to the burner 20 and the combustion chamber 21. Reference numeral 25 denotes a radiator having a heat collecting surface 23 heated by the heat of the combustion gas and a radiating surface 24 for generating radiant energy. Reference numeral 26 denotes a heating air path having a hot air outlet 27 and an exhaust port 28 for distributing combustion gas to the radiator, and 29 denotes a connecting air path connecting the combustion chamber 21 and the heating air path 26. The connecting air path 26 includes a hot air outlet damper 31 driven by a motor 30 that changes the flow rate of combustion gas from the connecting air path 26 to the hot air outlet 27, and a connecting air path 29 to the exhaust port 28. An exhaust port damper 33 driven by a motor 32 for changing the flow rate of the combustion gas is provided. When all the combustion heat is heated by the hot air, as shown in FIG. 2, the hot air outlet damper 30 is opened and the exhaust port damper 33 is closed, so that the air generated by the heat generated by the combustion gas causes the hot air to be discharged from the hot air outlet. It is sent from 27. When all of the combustion heat is to be radiantly heated, as shown in FIG.
Close the exhaust port damper 33 to open the hot air outlet 2
7 can realize radiant heating in which wind does not blow out.

By opening the hot-air outlet damper 30 and opening the exhaust-port damper 33, it is also possible to realize heating with radiant hot air.

(Embodiment 2) FIG. 4 is a cross-sectional view of a heating device at the time of hot air heating according to a second embodiment of the present invention, and FIG. 5 is a cross-sectional view at the time of radiant heating.

The second embodiment differs from the first embodiment in that it has a control means 36 for controlling the amount of air blown by the air blowing means 22, and changes the flow rate of the combustion gas from the connecting air passage 29 to the hot air outlet 27. Hot air outlet damper 34 with a shape memory alloy or a material with a different expansion coefficient
And an exhaust port damper 35 that opens at a high temperature and closes at a low temperature to change the flow rate of the combustion gas from the connecting air passage 22 to the exhaust port 28.

The components having the same reference numerals as in the first embodiment have the same structure, and the description is omitted.

Next, the operation and function will be described. In the case of warm air heating, as shown in FIG. The air outlet damper 34 is opened, the exhaust port damper 35 is closed, and hot air is blown from the hot air outlet. In the case of radiant heating, as shown in FIG. 5, the amount of air is reduced and high-temperature hot air is sent to the heating air passage 29 so that the hot-air outlet damper closes, the exhaust port damper opens, and air flows from the hot-air outlet. Radiant heating without blowing can be realized.

(Embodiment 3) FIG. 6 is a sectional view of a third embodiment of the present invention at the time of warm air heating, and FIG. 7 is a sectional view of a radiant heating.
In the third embodiment, reference numeral 20 denotes a burner for burning fuel, reference numeral 21 denotes a combustion chamber following the burner, and reference numeral 22 denotes blowing means for blowing air to the burner and the combustion chamber.
6 controls the air volume. Numeral 25 is a radiator having a heat collecting surface 23 heated by the heat of the combustion gas and a radiating surface 24 for generating radiant energy.
7 and an upper portion of the heating air passage having an exhaust port 28 having an opening area smaller than that of the warm air outlet 27, and has a configuration including a connecting air passage 29 connecting the combustion chamber and the heating air passage. When performing hot air heating, as shown in FIG.
6 increases the amount of air blown by the air blowing means 22. Most of the combustion gas is blown out from a warm air outlet 27 having a large opening area provided in a lower portion of a heating air passage, and a part of the combustion gas is blown out from an exhaust port 28 to perform warm air heating. When performing radiant heating, FIG.
As shown in (2), the control means 36 reduces the air blowing amount of the air blowing means 22. The hot combustion gas is heated by the buoyancy to the heating air passage 26.
The radiator 25 is heated toward the exhaust port 28 set above, and the radiator generates radiant energy to perform radiant heating. With the above configuration, warm air with a simple configuration without moving parts,
The radiant heating method can be switched.

(Embodiment 4) FIG. 8 is a sectional view of a fourth embodiment of the present invention at the time of warm air heating, and FIG. 9 is a sectional view at the time of radiant heating.
In the fourth embodiment, 20 is a burner for burning fuel, 21 is a combustion chamber following the burner, 22 is blowing means for blowing air to the burner and the combustion chamber, and 25 is heated by the heat of the combustion gas. Radiator having a heat collecting surface 23 and a radiating surface 24 for generating radiant energy.
Is a heating air passage having a hot air outlet 27 and an exhaust outlet 28 for allowing the combustion gas to spread to the radiator 25,
The hot air blower 37 is connected to the combustion chamber 9 and blows the combustion gas from the connection air passage to the hot air outlet. When performing hot air heating, the hot air blower 37 is driven as shown in FIG. The combustion gas is blown out by a hot air blower 37 as hot air from a hot air outlet 27 provided in a heating air path to perform hot air heating. When performing radiant heating, the hot air blower 37 is stopped as shown in FIG. The high-temperature combustion gas has a large pressure loss at the hot-air outlet 27 due to the hot-air blowing blower 37, and the high temperature of the combustion gas causes buoyancy to generate the heating air passage
The radiator 25 is heated toward the exhaust port 28 set above, and the radiator generates radiant energy to perform radiant heating. With the above configuration, the heating method of warm air and radiation can be switched.

[0025]

As described above, the heating device according to the first aspect of the present invention has a hot air outlet damper for changing the flow rate of the combustion gas to the hot air outlet, and a heating gas outlet from the connecting air passage to the exhaust port. With the exhaust port damper that changes the flow rate, the radiant heating that does not blow out from the hot air outlet is realized by closing the hot air outlet damper and opening the exhaust port damper when all the combustion heat is radiant heating. it can.

Further, the heating device according to the second aspect is provided with control means for controlling the amount of air blown by the air blowing means, and a damper driving means such as a motor by means of a structure provided with a hot air outlet damper that opens and closes according to temperature and an exhaust port damper. Radiant heating without blowing air from the hot air outlet can be realized without the need.

A heating device according to a third aspect of the present invention is characterized in that a heating air passage having a hot air outlet at a lower portion and an exhaust port at an upper portion for providing combustion gas to the radiator is provided. , The high-temperature combustion gas heats the radiator toward the exhaust port set above the heating air passage by buoyancy, and the radiator generates radiant energy to perform radiant heating. When performing hot air heating, the amount of air blown by the blower is increased. Since the temperature of the combustion gas is lowered, the buoyancy is weakened, and warm air is blown out from a warm air outlet provided in a lower portion of the heating air passage, thereby performing warm air heating. With the above configuration, the heating method of warm air and radiation can be switched with a simple configuration having no moving parts.

Further, the heating device according to the fourth aspect of the present invention is provided with a hot air blower for blowing the combustion gas from the connecting air passage to the hot air outlet, so that the hot air blower is "driven / not driven". Can switch between “radiant heating / convective heating”.

[Brief description of the drawings]

FIG. 1 is a cutaway perspective view of a main part of a heating device according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view of a heating device at the time of hot air heating.

FIG. 3 is a cross-sectional view of the heating device during the radiation heating.

FIG. 4 is a cross-sectional view of a heating device at the time of hot air heating in Embodiment 2 of the present invention.

FIG. 5 is a cross-sectional view of a heating device during radiation heating.

FIG. 6 is a cross-sectional view of a heating device at the time of hot air heating in Embodiment 3 of the present invention.

FIG. 7 is a cross-sectional view of a heating device during radiant heating according to a third embodiment of the present invention.

FIG. 8 is a cross-sectional view of a heating device at the time of warm air heating in Embodiment 4 of the present invention.

FIG. 9 is a cross-sectional view of a heating device during radiant heating according to a fourth embodiment of the present invention.

FIG. 10 is a sectional view of a conventional heating device.

FIG. 11 is a sectional view of a conventional heating device.

FIG. 12 is a sectional view of a conventional heating device.

[Explanation of symbols]

 Reference Signs List 20 burner 22 blowing means 25 radiator 26 heating air path 27 hot air outlet 28 exhaust port 29 connecting air path 30, 34 hot air outlet damper 33, 35 exhaust port damper 36 control means 37 hot air blower

Claims (4)

[Claims] 1. A burner, a combustion chamber following the burner, a blowing means for blowing air to the burner, a radiator having a heat collecting surface heated by the heat of the combustion gas and a radiating surface generating radiant energy. A heating air path having a hot air outlet and an exhaust port for distributing combustion gas to the radiator, a connecting air path connecting the combustion chamber and the heating air path, and a combustion gas flowing from the connecting air path to the hot air outlet. A heating device provided with a hot air outlet damper for changing the flow rate of air and an exhaust port damper for changing the flow rate of combustion gas from the connecting air passage to the exhaust port. 2. A hot air outlet damper having control means for controlling the amount of air blown by a blower means for changing a flow rate of combustion gas from a connecting air path to a hot air outlet, and a combustion gas from a connecting air path to an exhaust port. 2. The heating apparatus according to claim 1, wherein an exhaust port damper for changing a flow rate of the air is opened and closed according to the temperature. 3. A burner, a combustion chamber following the burner, a blowing means for blowing air to the burner, a radiator having a heat collecting surface heated by the heat of the combustion gas and a radiating surface generating radiant energy. A heating air passage having a hot air outlet at the lower portion and an exhaust port at the upper portion for allowing combustion gas to spread to the radiator, a connecting air passage connecting the combustion chamber and the heating air passage, and controlling a blowing amount of a blowing means. A heating device provided with control means for performing heating. 4. A burner, a combustion chamber following the burner, a blowing means for blowing air to the burner, a radiator having a heat collecting surface heated by the heat of the combustion gas and a radiating surface generating radiant energy. A heating air path having a hot air outlet and an exhaust port for distributing combustion gas to the radiator, a connecting air path connecting the combustion chamber and the heating air path, and a combustion gas flowing from the connecting air path to the hot air outlet. Heating device equipped with a hot air blower that blows air.