JP2000171047A - Heater - Google Patents

Abstract

PROBLEM TO BE SOLVED: To introduce hot air surely to a remote position by a duct coupled with a duct coupling port by providing a duct coupling port for introducing hot air at the open front part of a housing on a cover covering the front face of a heater keeping a space. SOLUTION: A heater is provided with a housing having open front in which a combustor 10 is disposed through a ventilation gap 9 from the opposite side faces and the upper surfaces and a fan 11 for supplying air toward the combustor 10 is mounted on the back face of the housing. A cover 12 is fixed removably to the open front part 10a of the housing through a space from the front face of the combustor 10 and provided with a port 12a for coupling a hot air introduction duct. Inside of the housing is sectioned laterally by a baffle plate 8a and the combustor 10 and the fan 11 are disposed in one space whereas a control board 13 for an air supply/discharge tube 14 and a heater 3 continuous to the combustor 10 and a combustion fan 16 are disposed in the other space.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates generally to a heating system for a house provided with basic insulation.

[0002]

2. Description of the Related Art It is known that a warm air heater or a fan heater for installing a living room is installed under a floor, and each room is heated by warm air supplied from the warm air heater or the fan heater. (JP-A-10-132301). There is also known a device in which a heat source device is provided in a living room or the like and a floor is heated by circulating a heat medium between the heat source device and a radiator provided under the floor to heat the floor.

[0003]

However, Japanese Patent Application Laid-Open No.
In the device disclosed in Japanese Patent Publication No. 132301, the hot air duct is attached at a distance from the outlet of the hot air heater, so that the hot air cannot be guided to a position sufficiently distant. In addition, the space under the floor is low in the vertical direction,
Therefore, when the height of the heater is high, the upper surface of the heater approaches the floor, causing a problem that the floor material is scorched.

In the case where a heat source is provided in a living room or the like, there is a problem in that the heat source is obstructed or a heat medium is interposed therebetween, so that the equipment becomes expensive. An object of the present invention is to solve such a problem.

[0005]

According to the present invention, in order to achieve the above object, according to the first aspect of the present invention, a heater for supplying air from outside through an air supply / exhaust pipe and exhausting the air outdoors is provided under the floor. A heating device for heating a plurality of rooms with warm air from the heater, wherein the heater is provided with a housing having an open front surface, and a ventilation space on both sides and an upper surface in the housing. Heater, a blower that blows air toward the heater on the back of the housing, and a detachable housing that covers the front with a space in front of the heater at the front opening of the housing. And the cover is provided with a duct connection port for guiding hot air, whereby the hot air can be accurately guided to a remote position by the duct connected to the duct connection port. In addition, since the cover for covering the front of the heater is provided with a space in front of the heater, the hot air is dispersed in the space, a part of the cover does not become hot, and the ventilation gap on the upper surface is provided. , The temperature rise on the upper surface of the heater can be suppressed, and since the cover is detachably attached to the housing, inspection and repair can be easily performed by removing the cover.

According to a second aspect of the present invention, in the first aspect of the invention, the heater can be shortened as a whole by providing a heat radiating portion on a back surface and a side surface of the heater facing the blower. At the same time, there is no radiator on the upper surface, and the temperature of the upper surface of the heater can be suppressed from rising due to the ventilation flowing through the ventilation gap on the upper surface.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIG. In FIG. 1, 1 is a space under the floor of the building A, 2a is a room on the first floor, 2b is a room on the second floor, 2c is a space above the ceiling provided below the floor of the room 2b on the second floor, 2d is an attic space, and 3 is a space 1 below the floor. The underfloor space 1 and the first floor room 2a communicate with each other through an opening 4 provided on the floor surface of the room 2a, and the underfloor spaces 1 and 2 are provided. The room 2b on the floor is a room 2b on the second floor in which the space 2c above the ceiling is communicated with the underfloor space 1 through the passage 5 provided in the wall.
The opening 4 provided on the floor surface of the above is communicated with the space 2c above the ceiling so that the warm air from the heater 3 is supplied to each room 2a, 2b, and the warm air supplied to each room 2a, 2b is supplied to the corridor. By returning to the underfloor space 1 through the space 2e such as a stair, warm air is circulated between the rooms 2a and 2b and the underfloor space 1. The underfloor space 1 is provided with an outside air inlet 6 so as to take in outside air, and the roof back space 2d is provided with an exhaust pipe 7 to exhaust a part of the room air for ventilation. .

As shown in FIGS. 2 to 5, the heater 3 includes a housing 8 having an open front surface, and a combustion apparatus 10 provided in the housing 8 with ventilation spaces 9 on both sides and an upper surface. And a blower 11 for blowing air toward the combustion device 10 on the back of the housing 8.
And a cover 12 which is detachably attached to the front opening 10a of the housing 8 with a space in front of the combustor 10 with a space therebetween. A duct 13 for guiding hot air is connected to the cover 12. A connection port 12a is provided. To explain this in detail, the case 8
Is divided into right and left by a partition plate 8a, and the combustion appliance 10 and the blower 11 are installed in one side space, and in the other side space,
A supply / exhaust tube 14 connected to the combustion apparatus 10, a control base 15 of the heater 3, and a combustion blower 16 are provided. In addition, the burning appliance 1
0 denotes a pot burner 10a having a large number of air holes on its peripheral surface as a heat source, and an air chamber 10 surrounding the pot burner 10a.
b, a combustion chamber 10c provided above the pot 10a, and a heat radiating portion 10d communicating with the combustion chamber 10c, and the heat radiating portion 10d burns so as to face the side surface of the combustion device 10 and the blower 11. The heat dissipating portion 10d provided on the side surface of the combustion device 10 is provided in a flat plate shape, and the heat dissipating portions 10d located on the rear surface are arranged in a plurality of stages with a ventilation interval. It consisted of a pipe.

The supply / exhaust tube 14 is formed of a double pipe, of which the inner pipe is an exhaust path connected to the heat radiating portion 10d, and a combustion blower is provided between the inner pipe and the outer pipe. As an air supply passage connected to 16, the exhaust passage is already covered by the air supply passage at the outlet of the heater 3, and the supply / exhaust tube 14a connected thereto is also covered by the air supply passage. The exhaust path, which becomes hot due to this, is not exposed in the underfloor space. The cover 12 is formed in a box shape having a depth in the front-rear direction,
The cover 12 has claws 12b on its lower edge,
The housing 8 having the claws 12b and 12b extended forward.
5 is fitted in a groove (not shown) provided at the front end of the bottom plate 8b, and a locking tool 17a provided on the upper side of the housing 8 is locked to a hook 17b provided on the upper plate of the cover 12 as shown in FIG. By doing so, the cover 12 is detachably and airtightly fastened to the housing 8. The combustion fan 16
Is mounted in a fan case in which the supply fan and the exhaust fan are separated on the same axis of the motor, and the motor rotates at high speed (for example, 6000 rpm) using a DC motor.
By doing so, the combustion fan 16 was made compact. The inner surface of the housing 8, the partition plate 8a and the cover 12
Was formed into an inner and outer double layer, and a heat insulating space 18 was formed therebetween. 19 is a CO sensor attached to the housing 8, and 20 is a leveler (not shown) for supplying fuel to the pot burner 10a.
A reset button 21 is a fuel cutoff valve provided at a supply port for supplying fuel from an oil tank (not shown) to the leveler.
2 is a room temperature detector provided in a typical room to detect the temperature of the room and control the combustion in the combustion appliance 10;
An underfloor temperature detector provided in the underfloor space 1, 24 is a ventilation space 9
1 shows a hot air temperature detector provided at a ventilation interval 9 for detecting the temperature of hot air flowing through the air and controlling combustion in a combustor.

This heater uses a remote control operation unit 25 shown in FIG. 6 to remotely control a temperature setting, an ignition / extinguishing operation, and the like. In the case, the remote control operation unit 25
Has a release function, for example, turning off the operation switch
When operating "in", the conventional one can be restarted. However, if the remote control operation unit 25 allows the user to re-use by releasing operation, the user determines that the operation has returned to normal, and even if there is an abnormality (for example, oil leak) in the heater, the user can re-use the heater without checking the heater. May be used. Therefore, when there is an abnormality in the heater body and the heater stops, the cause is divided into items that need to be inspected and items that do not need to be inspected. After the cancellation, the re-ignition can be performed only after the switch 26 provided on the heater main body is operated, and a buzzer or the like for notifying the remote control operation unit 25 of the abnormality when an abnormality due to the main body inspection required item occurs. Display means was provided.

The items required to check the main body include the operation of the anti-seismic device, the repeated ignition failure, the abnormal heating of the hot air, the disconnection of the thermistor as the hot air detector, the disconnection of the thermistor as the room temperature detector, and the underfloor temperature detector. Disconnection of the thermistor,
The case where the heater is stopped due to the detection of CO by the CO sensor and a misfire abnormality (out of fuel) is raised, and the release contents which can be performed by the remote control operation unit 25 include re-ignition after a power failure, re-ignition due to mis-ignition, and pseudo-flame detection. The case where the heater stops due to (malfunction of the flame detector) is raised. In FIG. 2, reference numeral 27 denotes a cover that covers a portion where the switch 26 is provided.

[0012]

According to the first aspect of the present invention, the hot air can be accurately guided to a remote position by the duct connected to the duct connection port. In addition, since the cover that covers the front of the heater is provided with a space in front of the heater, the hot air is dispersed in the space, and the temperature is made uniform to obtain a uniform temperature from the duct 13 for guiding the hot air to each room. The hot air can be sent to the heater, and the air flowing through the air gap between the side and upper surfaces of the housing can suppress the temperature rise on the upper and side surfaces of the heater, especially the upper surface. Even when the vehicle approaches the underside of the floor, problems such as scorching of the underside of the floor can be eliminated, and since the cover is provided detachably from the housing, inspection and repair can be easily performed by removing the cover.

According to a second aspect of the present invention, in addition to the effect of the first aspect, the height can be shortened as a whole, and there is no radiator on the upper surface, and further, the heater is provided by the ventilation flowing through the ventilation gap on the upper surface. Temperature rise on the upper surface of the heater can be suppressed, so that the temperature rise on the upper surface of the heater can be further suppressed.

[Brief description of the drawings]

FIG. 1 is a schematic diagram of the present apparatus.

FIG. 2 is a perspective view of a heater.

FIG. 3 is a cutaway plan view of a heater.

FIG. 4 is a sectional view taken along line IV-IV of FIG. 3;

FIG. 5 is a side view of a metal fitting for holding a cover on a housing.

FIG. 6 is a front view of a remote control unit.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Underfloor space 3 Heater 8 Housing 9 Ventilation interval 10 Combustion equipment 11
Blower 12 Cover 12a Connection port 13
Hot air induction duct

Claims (2)

[Claims] 1. A heating device for supplying air from outside through an air supply / exhaust tube and exhausting to the outside under the floor, and heating a plurality of rooms with warm air from the heater. A heater, a housing having an open front, a heater provided with ventilation intervals on both sides and an upper surface in the housing, and a blower for blowing air toward the heater on the back of the housing; A heating system in which a space is provided in the front opening portion of the housing with a space in front of the heater and a cover that is detachable from the housing that covers the front surface, and the cover is provided with a duct connection port for guiding hot air. Machine. 2. The heater according to claim 1, wherein the heater includes a radiator provided on a back surface and a side surface of the heater facing the blower.