JP2002277061A - Hot air heater - Google Patents

Abstract

PROBLEM TO BE SOLVED: To permit the easy adjustment of a humidifying amount while 1 increasing the humidifying amount by providing an evaporation promoting body in a humidifying pan and spraying humidifying water on the evaporation promoting body. SOLUTION: A hot air heater is constituted of a ventilating flow passage 18 formed in a main body easing 11 to communicate an air suction port 15 with a hot air outlet port 14, a convection fan 34 as well as a heat exchanging unit 20 which are arranged in the ventilating passage, a combustion unit 21 for supplying hot air of combustion into the heat exchanging unit, the humidifying pan 40 arranged in the ventilating passage at the downstream side of the heat exchanging unit to reserve the humidifying water evaporated by the hot air, the evaporation promoting body 38 having water absorbing property, and a spraying device for spraying the humidifying water on the evaporation promoting body.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an FF type oil hot air heater having a humidifying function, an FF type gas hot air heater, and an FF.
The present invention relates to a hot air heater such as a radiant hot air heater.

[0002]

2. Description of the Related Art As shown in FIG. 5, a conventional warm air heater 1 of this type includes a main body case 1A having a hot air outlet 2 at a lower front portion and an air inlet 3 at an upper rear portion.
An air passage 5 is formed to connect the air inlet 3 and the hot air outlet 2, and a convection fan F and a heat exchanger 4 are arranged in the air passage 5, and heat in the air passage 5 is formed. A humidifying dish 6 for humidifying the humidifier was located downstream of the exchanger 4.

The humidifying tray 6 is supplied with humidifying water from a water supply device having a cartridge-type water supply tank 7 and a tank receiver 8, and the humidifying tray 6 and the tank receiver 8 are connected to a water supply pipe. At 9 they are joined together. The water supply tank 7 is removably mounted on the tank receiver 8.

[0004]

By the way, in the conventional hot air heater 1 as described above, the humidifying plate 6 and the water in the humidifying plate 6 are heated and evaporated by the hot air after the heat exchange. Since the humidification is performed, the humidification amount is smaller than the size of the room in which the heater is installed, and the humidification water supplied into the humidification dish 6 is evaporated to produce the hot air outlet 2 together with the hot air. Humidification is performed by blowing air into the room from the outside, so that the amount of humidification depends on the amount of warm air. For this reason, the humidification amount cannot be adjusted, and the indoor humidification environment cannot be brought to a desired state, so that there is a problem that the living environment cannot be comfortable.

Further, since the tank receiver 8 and the humidifying dish 6 are integrally connected by the water supply pipe 9, it is not easy to remove the humidifying dish 6 from the inside of the main body case 1A, and the humidifying dish 6 is cleaned. Even in this case, since the humidifying dish 6 remains installed in the main body case 1A, cleaning the humidifying dish 6 is troublesome,
It was difficult to maintain cleanliness.

The present invention solves the above-mentioned conventional problems. The humidifying water is sprinkled on the evaporation promoting body while increasing the amount of humidification by providing an evaporation promoting body in a humidifying dish. It is a primary object of the present invention to provide a hot air heater in which the amount can be easily adjusted, and another object is to make it possible to easily remove a humidifying dish.

[0007]

In order to solve the above-mentioned problems, according to the first aspect of the present invention, there is provided a main body case having an air inlet and a hot air outlet, and the air suction formed in the main body case. An air flow path that communicates between the mouth and the hot air outlet, a convection fan and a heat exchange unit disposed in the air flow path, and a combustion unit that supplies combustion hot air into the heat exchange unit.
A humidifying dish for storing humidifying water that is disposed in the ventilation channel rather than the leeward side of the heat exchange unit and is evaporated by warm air,
The humidifying dish is provided with a breathable and water-absorbing evaporation promoting body, and a sprinkler for spraying the humidified water is provided on the evaporation promoting body.

[0008] In the invention described in claim 2, in the warm air heater according to claim 1, the water sprinkling device is constituted by a discharge pipe provided along the vicinity of an upper portion of the evaporation promoting body. It is characterized by.

According to a third aspect of the present invention, in the warm air heater according to the first or second aspect, the discharge pipe has a discharge port in a longitudinal direction thereof.

[0010] In the invention according to claim 4, a main body case having an air inlet and a hot air outlet, an air flow passage formed in the main body case and connecting the air inlet and the hot air outlet, A convection fan and a heat exchange unit disposed in the air passage, a combustion unit for supplying combustion hot air into the heat exchange unit, and a combustion unit disposed in the air passage downstream of the heat exchange unit, A humidifying dish for storing humidifying water evaporated by warm air, a water supply device for supplying water to the humidifying dish, a dish receiver for detachably storing and holding the humidifying dish, and air permeability attached to the humidifying dish. And a water absorbing device for spraying the humidification water on the evaporation promoting body, wherein the water supply device is a detachable cartridge type water supply. Tank and a tank that receives humidified water from this water tank. Click receiving the body, and an electric water pump for pumping up the humidification water of the tank receiving the body, characterized in that it is composed of a water supply pipe having a base end is connected to the electric water pump.

According to the fifth aspect of the present invention, there is provided a main body case having an air inlet and a hot air outlet, and an air flow passage formed in the main body case and communicating the air inlet and the hot air outlet. A convection fan and a heat exchange unit disposed in the air passage, a combustion unit for supplying combustion hot air into the heat exchange unit, and a combustion unit disposed in the air passage downstream of the heat exchange unit, A humidifying dish for storing humidifying water evaporated by warm air, a water supply device for supplying water to the humidifying dish, a dish receiver for detachably storing and holding the humidifying dish, and a gas permeable attached to the humidifying dish. And a water absorbing device for spraying the humidification water on the evaporation promoting body, wherein the water supply device is a detachable cartridge type water supply. Tank and a tank that receives humidified water from this water tank. And an electric water supply pump that pumps up the humidified water in the tank receiver, and a water supply pipe whose base end is connected to the electric water supply pump. It is characterized in that it is communicated with the tank receiver of the device.

According to a sixth aspect of the present invention, in the warm air heater according to the fifth aspect, the return pipe has an outlet portion on the tank receiver side lower than an inlet portion on the dish receiver side, and It is characterized in that surplus water in the dish receiver is returned to the tank receiver side by a head.

[0013] In the invention according to claim 7, a main body case having an air inlet and a hot air outlet, and an air flow passage formed in the main body case and connecting the air inlet and the hot air outlet, A convection fan and a heat exchange unit disposed in the air passage, a combustion unit for supplying combustion hot air into the heat exchange unit, and a combustion unit disposed in the air passage downstream of the heat exchange unit, A humidifying dish for storing humidifying water to be evaporated by warm air, a dish receiver for detachably storing and holding the humidifying dish, and a breathable and water-absorbing evaporation promoting body attached to the humidifying dish. A hot air heater provided with a sprinkler for sprinkling the humidification water on the evaporation promoting body, wherein the main body case has an opening for accommodating the humidification dish so that the humidification dish can be taken in and out of the main body case. It is characterized by being provided.

According to an eighth aspect of the present invention, in the hot air heater according to the seventh aspect, the opening is covered with a detachable blow grill having a hot blow outlet. .

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. 1 is an external perspective view of an oil hot air heater showing one embodiment of the present invention, FIG. 2 is a side sectional view, FIG. 3 is a partially cutaway front view, and FIG. FIG.

In FIG. 1, an oil hot air heater (hereinafter referred to as a hot air heater) 10 includes a box-shaped main body case 11, which has a case main body 10A and a front panel 12; The front surface of the main body 10A is covered with a detachable front panel 12, and a lower part of the front panel 12 is removably attached with a horizontally long outlet grille 14 having a plurality of horizontal guide blades 13, 13. Outlet grill 14
Is provided with a hot air outlet 14B at a part (except for the right end closing part 14A in FIG. 1).

An operation switch for operating the hot air heater 10, a set temperature switch for setting a desired room temperature, and a humidification operation switch for setting a humidification mode are provided on the top surface of the main body case 11. , And a display unit (not shown) for displaying the operation mode and set temperature of the heater.

In FIGS. 2 and 3, an air inlet 15 having a detachable filter 15A is provided at the upper part of the back plate of the case body 10A. Reference numeral 17 denotes a back guard attached to the rear part of the case main body 10A. The back guard 17 covers the upper part of the rear space between the case main body 10A and the room wall and the left and right sides.

An air inlet 1 is provided in the main body case 11.
5 is connected to a hot air outlet 14B of the outlet grill 14 from the hot air outlet 14B. The blower flow path 18 is connected to the oil burner 21 for vaporizing and burning oil fuel such as kerosene. Combustion cylinder 22, this combustion cylinder 2
2, a heat exchange section 20 having a connection box 23, a plurality of heat exchange pipes 24 and an exhaust collecting box 25, and an exhaust pipe 26 connected to the exhaust collecting box 25 are accommodated.

In the lower part of one side of the case body 10A,
An oil leveler (not shown) for storing petroleum fuel sent from an oil supply pipe (not shown) is accommodated, and fuel in the oil leveler is supplied to a fuel burner via a fuel pump (not shown) and a fuel supply pipe 27. 21. Reference numeral 28 denotes an air supply blower for supplying combustion air to the oil burner 21. The air supply blower 28 has one end face connected to an air supply pipe 29, and the other end connected to the oil burner 21.

A warm air blower 31 is provided at an upper portion in the case body 10A so as to face the air suction port 15. The warm air blower 31 includes a motor 33 and a plurality of sirocco fans 34 (convection fan). Fan) and multiple fan cases 3
5 from the air inlet 15 to the case body 10
The room air sucked into the air flow passage 18 in A is blown toward the heat exchange unit 20.

The humidification water which is evaporated by the warm air of about 60 to 80 ° C. after the heat exchange is stored in the air flow passage 18 which is on the leeward side of the heat exchange section 20, that is, in the lower part of the case body 10A. Humidifying plate 40 for installing the humidifying plate 40 is provided, and the humidifying plate 40 has an opening for insertion and removal formed by removing the blowout grill 14. It can be taken out of the case body 10A via the part 37 (see FIG. 2).

At an appropriate position on the lower surface of the bottom plate 43 of the dish receiver 36,
A temperature sensor 44 for detecting the temperature of the humidifying dish 40 is attached, and when the temperature sensor 44 detects a temperature higher than a predetermined temperature, a detection signal is sent to a controller (not shown). The controller informs that the humidifying water in the humidifying tray 40 is in a drought state by a drought alarm (not shown) of a display unit provided on the top surface of the main body case 11.

The dish receiver 36 is formed in a shallow dish shape, and as shown in FIG. 3, is provided with a drain port 41 on the right side thereof.
Are connected, and the dish receiver 36 overflowing from the humidifying dish 40 is connected.
The excess water in the inside is drained through a drain port 41 and a return pipe 42.

The case body 1 on the right side of the dish receiver 36
In 0A, a water supply device 45 for supplying humidified water to a watering device 52 described later is provided. This water supply device 4
5 is a detachable cartridge type water supply tank 47,
A tank receiver 46 for receiving the humidified water from the water supply tank 47, an electric water supply pump 48 such as an electromagnetic pump or a magnet pump for pumping the humidified water in the tank receiver 46, and a water supply connected to the electric water supply pump 48. Tube 5
And 1.

The tank receiver 46 is a case body 10A.
The humidifying water supplied from the water supply tank 47 is supplied to a water supply pipe 51 inside the water supply pipe 51. When a decrease in the water level in the tank receiver 46 is detected by a float switch (not shown) provided on the tank receiver 46, a detection signal is also sent to the above-described controller, and this controller Is the water tank 47
Is notified by an alarm (not shown) that the air supply is empty, and the driving of the electric water supply pump 48 is stopped.

Further, the other end of the return pipe 42 is connected to the tank receiver 46, and the return pipe 42 removes excess water overflowing from the humidifying plate 40 from the tank receiver 36 into the tank. It is returned to the receiving body 46. In the return pipe 42, the height position of the outlet portion on the tank receiver 46 side is lower than the height position of the inlet portion (drain port 41) on the plate receiver 36 side.
The structure is such that excess water inside the tank is returned to the tank receiver 46 using the head.

The water supply tank 47 is accommodated in the main body case 11 through a tank access opening (not shown) provided on the top surface of the main case 11 so that the water supply tank 47 can be opened and closed. It is opened and closed by a lid 49.

The electric water supply pump 48 is driven in the humidification operation mode to pump up the humidification water in the receiving tank 46. When the electric water supply pump 48 is driven, the rotation speed of the sirocco fan 34 (the rotation speed of the motor 33) is reduced. Although the pumping amount is varied so as to increase or decrease according to the increase or decrease, the pumping amount may be a predetermined substantially constant amount.

Further, the humidifying dish 40 is provided with an evaporation promoting body 38 having air permeability and water absorption. The evaporation promoting body 38 has a width of about 400 mm, a height of about 80 mm, and a thickness of about 80 mm. It is made using a ceramic fiber having a length of about 20 mm as a base material. As shown in FIG. 2 and FIG.
It is disposed substantially at the center of the inner bottom and stands up so as to provide resistance to the warm air flowing through the air flow passage 18.

The water supply pipe 51 is made of a metal pipe, the base end of which is connected to the discharge port of the electric water supply pump 48, and the front end of which is connected to the humidifying plate 40 provided in the main body case 11.
Is connected to the sprinkling device 52 disposed immediately above.

The sprinkler 52 has an outer diameter of about 8 to 10 m.
m, wall thickness 0.8-1.0mm, length about 400-4
The discharge pipe 52A made of a 50 mm metal pipe is connected to the evaporation promoting body 3.
The discharge pipe 52A has a plurality (five in the figure) having a diameter of about 1 to 3 mm in the longitudinal direction of the discharge pipe 52A.
Are opened. The proximal end of the discharge pipe 52A is connected to the distal end of the water supply pipe 51, and the other end is closed. In addition, a plurality of discharge ports 52
B is for evaporating the humidification water supplied from the electric water supply pump 48 over the entire evaporation promoting body 38 on average.
It is almost uniformly opened right above.

The humidification water supplied by the electric water supply pump 48 is sprinkled from the discharge port 52B to be in a wet state, and the impregnated water vaporizes and evaporates due to the contact or passage of the warm air. Then, the evaporated moisture is discharged together with the warm air from the warm air outlet 14B to a room to be heated such as a room.

The humidified water that has been sprinkled on the evaporation promoting body 38 but has not completely evaporated is temporarily stored in the humidifying dish 40, and is again absorbed by the evaporation promoting body 38 by capillary action to compensate for the amount of humidification. .

In the above embodiment, the hot air heater 10
Is started, combustion air is supplied to the oil burner 21 from the air supply blower 28, and oil fuel is supplied from the fuel supply pipe 27 by operating a fuel pump (not shown). Start burning. With the start of combustion of the oil burner 21, the combustion gas of the oil burner 21 is supplied to the combustion cylinder 22, the connection box 23, the heat exchange pipe 24, and the like.
Then, the gas enters the exhaust pipe 26 through the heat exchange unit 20 including the exhaust collecting box 25, and is discharged from the exhaust pipe 26 to the outside via a supply / exhaust tube (not shown).

Here, when the temperature of the heat exchange section 20 such as the connection box 23 rises to a predetermined temperature or higher, the hot air blower 31 is driven, and the room air purified by the filter 15A is passed through the air suction port 15 to the main body. The air is sucked into the case 11 and is accelerated by the sirocco fan 34 of the hot air blower 31 and is blown toward the heat exchanging unit 20 to exchange heat with the heat exchanging unit 20 to generate hot air of about 65 to 85 ° C. This warm air is discharged from the warm air outlet 14B of the outlet grill 14 toward the front of the main body case 11 to heat the room to be heated.

On the other hand, the electric water supply pump 48 of the water supply device 45
Is driven, the humidified water in the tank receiver 46 is pumped up by the electric water supply pump 48, and the pumped up humidified water is supplied via the water supply pipe 51 to the discharge pipe 52A connected to the distal end. Then, the humidified water supplied to the discharge pipe 52A is sprinkled from a plurality of discharge ports 52B provided in the discharge pipe 52A and impregnated in the evaporation promoting body 38.

Then, the warm air comes into contact with the evaporation promoting body 38 and the radiant heat from the heat exchanging section 20 is removed by the evaporation promoting body 3.
8 and the humidifying dish 40, the humidifying water impregnated in the evaporation promoting body 38 and the humidifying water in the humidifying dish 40 are heated and vaporized and evaporated by the synergistic action of the warm air and the radiant heat. The hot air is discharged from the hot air outlet 14B into the room to be heated together with the wind to humidify the room to be heated.

The surplus water overflowing from the humidifying plate 40 without being completely evaporated in the evaporation promoting member 38 or the humidifying plate 40 is received by the plate receiving member 36, and is returned from the plate receiving member 36 via the return pipe 42. The head is returned to the tank receiver 46 by the drop.

According to the warm air heater of this embodiment, the air flow passage 18 on the leeward side of the heat exchange pipe 24 of the heat exchange section 20
A humidifying dish 40 for storing humidifying water to be evaporated by warm air, and a ventilation provided to the humidifying dish 40,
In addition, since the water-absorbing evaporation promoting body 38 is provided and the humidifying water is sprayed on the evaporation promoting body 38, the amount of the humidifying water sprayed on the evaporation promoting body 38 can be adjusted by the electric water supply pump 48. In addition to the fact that the amount of humidification can be easily increased or decreased, the humidification of the humidification water sprayed on the evaporation promoting body 38 by hot air and the humidification of the humidification by the steam generated in the humidification plate 40 can be achieved. Thereby, it becomes possible to increase the humidification amount as compared with the related art. Even if the amount of hot air does not change so much, the amount of humidification can be increased or decreased by adjusting the amount of humidification water sprinkled on the evaporation promoting body 38, so that the desired humidification is not affected by the amount of hot air supplied to the room to be heated. The state can be obtained.

The water spraying device 52 is composed of a discharge pipe 52A provided along the vicinity of the upper portion of the evaporation promoting body 38, and the discharge pipe 52A has a discharge port 52B extending in the longitudinal direction thereof.
, The humidified water can be impregnated from the upper part of the evaporation promoting body 38 approximately on average, so that the heated room can be quickly brought into the humidified state.

The water supply device 45 includes a detachable cartridge type water supply tank 47, a tank receiver 46 for receiving humidified water from the water supply tank 47, and an electromagnetic pump for pumping the humidified water in the tank receiver 46. Alternatively, the humidifying tray 40 and the water supply device 45 are integrally connected as in the related art because the water supply pump 48 includes an electric water supply pump 48 such as a magnet pump and the water supply pipe 51 connected to the electric water supply pump 48. In addition, since the humidifying dish 40 is simply placed on the dish receiving body 43, when the humidifying dish 40 and the evaporation promoting body 38 are to be cleaned, their removal can be simplified.

Further, since the dish receiver 36 for holding and holding the humidifying dish 40 and the tank receiver 46 of the water supply device 45 are connected via a return pipe 42 constituting a return water passage, the humidifying dish The surplus water overflowing from 40 is once received by the plate receiver 36 and then dropped by the plate receiver 36.
From the humidifying tray 40 through the return pipe 42 to the tank receiver 46,
To prevent the humidified water from overflowing even if the pumping amount of the electric water supply pump 48 is set to be larger than the evaporation amount of the humidified water in each humidifying element. Can be.

In the lower part of the front surface of the main body case 11 facing the humidifying dish 40 and the evaporation promoting body 38, an opening 37 for insertion and removal formed by removing the blowout grill 14 is provided. Through opening 37 for removal,
Since the evaporation promoting body 38 and the humidifying dish 40 can be housed so as to be able to be taken in and out of the main body case 11, the evaporation promoting body 38
When cleaning the humidifying dish 40, the humidifying dish 40 can be easily taken in and out of the main body case 11.

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

In this embodiment, a hot air heater using an oil burner 21 is described, but a heater using a gas burner may be used.

[0047]

As described above, according to the first aspect of the present invention, a main body case having an air inlet and a hot air outlet, and the air inlet and the hot air blow formed in the main body case. An air flow passage communicating with the outlet, a convection fan and a heat exchange unit provided in the air flow passage, a combustion unit for supplying combustion hot air into the heat exchange unit, and a leeward side of the heat exchange unit A humidifying dish for storing humidifying water to be evaporated by warm air, and a breathable and water-absorbing evaporation promoting body attached to the humidifying dish. Since the structure is provided with a water spray device for spraying the humidification water on the evaporation promoting body, the amount of humidification water sprayed on the evaporation promoting body can be adjusted by the electric water supply pump, so that the humidification amount can be easily increased or decreased. As well as humidified water sprinkled on the evaporation promoting body A humidifying be evaporated by hot air, by the synergistic action of the humidification by the steam generated in the humidifying tray, than conventional it becomes possible to increase the amount of humidification. In addition, since the amount of humidification can be increased or decreased by adjusting the amount of humidification water sprinkled on the evaporation promoting body even if the amount of warm air does not change so much, the desired humidification state is not affected by the amount of warm air supplied to the room to be heated. Can be obtained.

According to the second aspect of the present invention, since the water sprinkler is constituted by a discharge pipe provided along the vicinity of the upper part of the evaporation promoting body, the water sprinkling device is substantially averaged from the upper part of the evaporation promoting body. Since the humidifying water can be impregnated with the humidified water, the heated room can be quickly brought into the humidified state.

According to the third aspect of the present invention, since the discharge pipe has a discharge port in the longitudinal direction thereof, the effect described in the second aspect can be made more efficient.

According to the fourth aspect of the present invention, a main body case having an air inlet and a hot air outlet, and an air flow formed in the main body case and connecting the air inlet and the hot air outlet. Path, a convection fan and a heat exchange unit provided in the air flow passage, a combustion unit for supplying combustion hot air into the heat exchange unit, and an air flow passage arranged downstream of the heat exchange unit in the air flow passage. A humidifying dish for storing humidifying water to be evaporated by warm air, a water supply device for supplying water to the humidifying dish, a dish receiver for detachably holding and holding the humidifying dish, and a humidifying dish attached to the humidifying dish. And a water-absorbing evaporator, and a hot-air heater provided with a sprinkler device for sprinkling the humidified water from the water supply device on the evaporator. , Detachable cartridge type water tank and this water tank Claims 1 and 2 include a tank receiver for receiving humidified water from the tank, an electric water supply pump for pumping up the humidified water in the tank receiver, and a water supply pipe having a base end connected to the electric water supply pump. In addition to the effects described above, since the humidifying dish and the water supply device are not integrally connected and the humidifying dish is simply placed on the dish receiving body as in the related art, the humidifying dish and the evaporation promoting body are not required. If they are to be cleaned, they can be easily removed.

According to the fifth aspect of the present invention, there is provided a main body case having an air inlet and a hot air outlet, and an air flow formed in the main body case and connecting the air inlet and the hot air outlet. Path, a convection fan and a heat exchange unit provided in the air flow passage, a combustion unit for supplying combustion hot air into the heat exchange unit, and an air flow passage arranged downstream of the heat exchange unit in the air flow passage. A humidifying dish for storing humidifying water to be evaporated by warm air, a water supply device for supplying water to the humidifying dish, a dish receiving body for detachably storing and holding the humidifying dish, and a detachable humidifying dish. Warm air provided with a dish receiver for holding and holding the humidifier, and a breathable and water-absorbing evaporation promoting body attached to the humidifying dish, and provided with a sprinkler for sprinkling the humidifying water on the evaporation promoting body. A heater, wherein the water supply device is a detachable cartridge type. A water supply tank, a tank receiver for receiving the humidified water from the water supply tank, an electric water supply pump for pumping the humidified water in the tank receiver, and a water supply pipe having a base end connected to the electric water supply pump; The dish receiver is connected to the tank receiver of the water supply device via a return pipe, so that in addition to the effects described in claims 1 to 3, surplus water overflowing from the humidifying dish is removed by the dish receiver. After being received once in this, it is returned from this dish receiver to the tank receiver via a return pipe, so there is no worry that excess water overflowing from the humidifying dish will overflow to the outside of the main body case, and
Even if the pumping amount of the electric water supply pump is set to be larger than the evaporation amount of the humidifying water in each humidifying element, the humidifying water can be prevented from overflowing outside.

According to the present invention as set forth in claim 6, the return pipe has an outlet portion on the tank receiver side lower than an inlet portion on the dish receiver side, so that excess water in the dish receiver is reduced by a head. Since it is returned to the tank receiver side, the excess water overflowing from the humidifying tray can be reliably returned to the tank receiver with a simple configuration.

According to the seventh aspect of the present invention, a main body case having an air inlet and a hot air outlet, and an air flow formed in the main body case and connecting the air inlet and the hot air outlet. Path, a convection fan and a heat exchange unit provided in the air flow passage, a combustion unit for supplying combustion hot air into the heat exchange unit, and an air flow passage arranged downstream of the heat exchange unit in the air flow passage. A humidifying dish for storing humidifying water to be evaporated by warm air, a dish receiving body for detachably storing and holding the humidifying dish, and a breathable and water-absorbing material attached to the humidifying dish. A warm air heater provided with an evaporation promoting body, and a water spraying device for spraying the humidifying water on the evaporation promoting body, wherein the main body case houses the humidifying dish so as to be able to be taken in and out of the main body case. Since it has a configuration with an opening,
In addition to the effects of claim 1, the evaporation promoting body and the humidifying dish can be housed in the main body case through the opening so that the evaporation promoting body and the humidifying dish can be taken in and out. It can be easily taken in and out of the main body case.

[Brief description of the drawings]

FIG. 1 is an external perspective view of a petroleum hot air heater showing one embodiment of the present invention.

FIG. 2 is a side sectional view of the oil hot air heater.

FIG. 3 is a partially cutaway front view of the oil hot air heater.

FIG. 4 is an explanatory diagram for explaining a main part of the oil hot air heater.

FIG. 5 is a partially cutaway front view of a conventional oil warm air heater.

[Explanation of symbols]

 Reference Signs List 10 oil hot air heater 10A case main body 11 main body case 12 front panel 14 outlet grille 14B hot air outlet 15 air inlet 18 blast passage 20 heat exchange unit 21 oil burner (combustion unit) 24 heat exchange pipe 34 sirocco fan (convection) 36) Receiving tray 36 Receiving plate 37 Inserting and removing opening (opening) 38 Evaporation promoting body 40 Humidifying dish 42 Return pipe 45 Water supply device 46 Tank receiver 47 Water supply tank 48 Electric water supply pump 49 Tank inlet / outlet 51 Water supply pipe 52 Watering Device 51A Discharge pipe 51B Discharge port

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Takeshi Kashiwase 1 Otsukicho, Ashikaga, Tochigi Prefecture Sanyo Electric Air Conditioning Co., Ltd. (72) Inventor Takashi Saito 1 Otsukicho, Ashikaga, Tochigi Prefecture Sanyo Electric Air Conditioning Co., Ltd. (72) Inventor Mitsuo Kakinuma 1 Otsukicho, Ashikaga-shi, Tochigi Sanyo Electric Air Conditioning Co., Ltd. F-term (reference) 3L055 AA03 BA02 DA01 DA05 3L072 AA05 AC01 AD07

Claims (8)

[Claims] 1. A main body case having an air inlet and a hot air outlet, an air flow passage formed in the main body case and connecting the air inlet and the hot air outlet, and disposed in the air flow passage. Convection fan and heat exchange unit, a combustion unit that supplies combustion hot air into the heat exchange unit, and humidification water that is disposed in a blast passage downstream of the heat exchange unit and evaporates with hot air. A humidifying dish for storing water, and a breathable and water-absorbing evaporation promoting body attached to the humidifying dish,
A hot-air heater provided with a sprinkler for sprinkling the humidification water on the evaporation promoting body. 2. The hot air heater according to claim 1, wherein the water sprinkling device is constituted by a discharge pipe provided along the vicinity of an upper portion of the evaporation promoting body. 3. The hot air heater according to claim 1, wherein the discharge pipe has a discharge port in a longitudinal direction of the discharge pipe. 4. A main body case having an air inlet and a hot air outlet, an air flow passage formed in the main body case and connecting the air inlet and the hot air outlet, and disposed in the air flow passage. Convection fan and heat exchange unit, a combustion unit that supplies combustion hot air into the heat exchange unit, and humidification water that is disposed in a blast passage downstream of the heat exchange unit and evaporates with hot air. Humidifying dish for storing the humidifying dish, a water supply device for supplying water to the humidifying dish, a dish receiving body for detachably holding and holding the humidifying dish, and a gas permeable attached to the humidifying dish, and
A hot-air heater provided with a water absorbing device for spraying humidification water from the water supply device, the water supply device being a detachable cartridge type. It is composed of a water supply tank, a tank receiver for receiving humidified water from the water supply tank, an electric water supply pump for pumping the humidified water in the tank receiver, and a water supply pipe having a base end connected to the electric water supply pump. A hot air heater. 5. A main body case having an air inlet and a hot air outlet, an air flow passage formed in the main body case and connecting the air inlet and the hot air outlet, and disposed in the air flow passage. Convection fan and heat exchange unit, a combustion unit that supplies combustion hot air into the heat exchange unit, and humidification water that is disposed in a blast passage downstream of the heat exchange unit and evaporates with hot air. A humidifying dish for storing the humidifying dish, a water supply device for supplying water to the humidifying dish, a dish receiver for detachably holding and holding the humidifying dish, a dish receiver for detachably holding and holding the humidifying dish, A hot-air heater provided with a breathable and water-absorbing evaporation promoting body attached to a humidifying dish, and a water spray device for spraying the humidifying water on the evaporation promoting body, wherein the water supply device is , Detachable cartridge type water tank and this water tank A tank receiver for receiving the humidified water, an electric water supply pump for pumping the humidified water in the tank receiver, and a water supply pipe having a base end connected to the electric water pump. A hot-air heater connected to a tank receiver of the water supply device via a pipe. 6. The method according to claim 6, wherein the return pipe has an outlet portion on the tank receiver side lower than an inlet portion on the dish receiver side, and the excess water in the dish receiver is returned to the tank receiver side by a head. The warm air heater according to claim 5, characterized in that: 7. A main body case having an air inlet and a warm air outlet, a blast passage formed in the main body case and connecting the air inlet and the warm air outlet, and disposed in the blast passage. Convection fan and heat exchange unit, a combustion unit that supplies combustion hot air into the heat exchange unit, and humidification water that is disposed in a blast passage downstream of the heat exchange unit and evaporates with hot air. A humidifying dish for storing the humidifying dish, a dish receiving body for detachably storing and holding the humidifying dish, and a breathable and water-absorbing evaporation promoting body attached to the humidifying dish. It is a warm air heater provided with a water spray device for spraying the humidifying water on a body, wherein the main body case is provided with an opening for accommodating the humidifying dish so as to be able to be taken in and out of the main body case. And hot air heater. 8. The hot air heater according to claim 7, wherein the opening is covered with a removable blow grill having a hot air outlet.