JPH10325551A - Korean floor heating device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make an optimum heating environment, by a method wherein for a hot air type floor heating a floor surface temperature and a room temperature are detected, and an air volume and a hot water amount are controlled. SOLUTION: An under floor passage 1, a heating device main body 7 which includes a hot water coil 8 equipped with a control valve 12, a blower 9 and a control device 18, an air intake 13 to take in indoor air having a room temperature sensor 16 on the front surface of the heating device main body 7, and a blowing out port 15 which blows out hot air having been heat-exchanged on the lower surface of the heating device main body 7, are provided. In the meantime, the control device 18 is constituted of a timer circuit which controls an operation stop, a room temperature detecting circuit to which the room temperature sensor 16 is connected, a floor temperature detecting circuit to which a floor temperature sensor 17 is connected, a room temperature setting circuit, and an operation circuit to which these circuits are connected. Then, by controlling the operations of the blower 9 and the control valve 12 by the outputs of the operation circuit, a comfortable floor heating space by a precise and delicate control can be realized.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a boiler which is a heat source unit, blows warm air under the floor, warms the floor with the warm air, and blows warm air into the room after heat exchange with the floor surface. The present invention relates to an ondol type heating device for heating a house by using the method.

[0002]

2. Description of the Related Art In recent years, demands for air conditioners as housing equipment have been advanced, and products of high grade in energy saving, comfort and controllability have been demanded.

[0003] In general room heating such as an air conditioner and a stove, warm air tends to gather near the ceiling, and a sense of cold is felt at the feet. On the other hand, floor heating does not have these problems and the feet are comfortable, but the carpet method with heating wire increases the electricity cost, and the method of laying hot water pipes under the floor costs construction costs as high as 150,000 yen per tsubo. There was also. Further, radiation from the floor alone has a limit in the heating capacity, so that it is often used in combination with other heaters. In contrast, Japanese Patent Application Laid-Open
No. 272534 has been proposed, and as introduced in the Nikkei newspaper February 9, 1995 (evening edition), the warm air of an FF (forced exhaust) type oil heater is installed under the floor. Was sent directly.

[0004] The configuration will be described below with reference to FIGS. 10 and 11. First, JP-A-61-2
The configuration shown in Japanese Patent No. 72534 will be described with reference to FIG.

[0005] The floor 101 has a first ventilation port 10 communicating with the heat exchanger 102 side of the gap 103 where the heat exchanger 102 is installed.
4 to form a second vent 105 communicating with the other side. Then, a forward / reverse rotating fan 106 is installed adjacent to the heat exchanger 102, and the first ventilation port 104, the room 107,
A convection-type heating flow path 108 continuous to the second vent 105 and the gap 103 and a radiant heating flow path 109 continuous to the gap 103, the second vent 105, the room 107, and the first vent 104 are provided. I have.

In the above configuration, when the heating load is large or when heating is desired to be performed rapidly, the forward / reverse rotating fan 106 is operated to rotate in the forward direction to allow the air in the room 107 to pass through the second vent 105 and the gap 103. Suction, heat exchanger 10
The hot air that had been heat-exchanged with 2 was blown out from the first ventilation port 104 to perform convection heating. When the heating load is small or when heating is desired to be gentle,
Is rotated in the opposite direction to suck air in the room 107 from the first vent 104, blow hot air that has exchanged heat with the heat exchanger 102 into the gap 103, warm the floor 101, and then Reflux from 105 to the room. And the radiant heating was performed by the floor 101 heated by this warm air.

Next, the configuration introduced in the Nihon Keizai Shimbun February 9, 1995 (evening edition) will be described with reference to FIG.

A hot air underfloor passage 110 is formed under the floor of the building, and a portion other than the floor surface 111 on the underfloor passage is covered with a heat insulating material 112, and a hot air inlet 113 on the floor surface and a heat exchange with the floor surface 111 are performed. A floor outlet 114, which is an outlet for hot air into the room, is provided, and a chamber box 115 is provided on the hot air inlet 113.
Is installed, and the combustor portion 117 is provided in the heating device main body 116.
And a heat exchanger portion 118 through which the combustion air passes. Further, on the back of the heating device main body 116, there is provided an exhaust pipe 119 for discharging combustion air to the outside and taking in air for combustion from the outside.
16 is provided with a circulating blower 122 for taking in indoor air from a suction port 120 at an upper part on a front surface of the heating device 116, irradiating the air to a heat exchanger 118, and blowing out hot air from an air outlet 121 at a lower part on the front surface of the heating device body 116. The hot air outlet 121 of the heating device body 116 is connected.

In the above configuration, when the heating device main body 116 is operated, the warm air blown out from the outlet 121 is sent into the underfloor passage 110 from the warm air inlet 113 through the chamber box 115 and exchanges heat with the floor surface 111. Further, the exhaust gas (warm air having a lowered temperature) is blown into the room from the floor outlet 114 to heat the room.

The intake air and exhaust air for combustion for heating are supplied or exhausted from the outside by the exhaust pipe 119, so that the indoor air is hardly polluted.

[0011]

In such a conventional ondol type floor heating system, the former (Japanese Patent Laid-Open No. 61-272) is known.
No. 534), there is a problem that a filter for filtering dust in the room air cannot be installed because the hot air reversibly passes through the air passage.

The latter (Nihon Keizai Shimbun February 9, 1995)
In the configuration introduced on the day (evening edition), the floor heater is heated using the existing heater, so a chamber box for blowing warm air under the floor is required, which is not very good in design. In addition to the problem described above, there was a problem that detailed control was not possible. Therefore, there is a demand for a design that is good in design by eliminating the need for a chamber box, effectively utilize the indoor space, and perform fine control.

An object of the present invention is to solve such a conventional problem, and an object of the present invention is to provide a heating device which is capable of suppressing initial costs and running costs at a low cost and has excellent comfort as an ondol floor heating system. .

It is another object of the present invention to provide a heating device capable of switching between mild heating, which is used for heating while the floor is heated, and rapid heating, in which hot air is directly blown into the room, while heating the floor, depending on the use condition.

[0015] Also, there is provided an ondol type heating apparatus capable of heating a plurality of rooms with one main body and selectively blowing out hot air only to a room requiring heating by opening and closing a damper at a floor outlet. It is intended to be.

It is another object of the present invention to provide an ondol heating device capable of adding a ventilation function of exhausting air from a room where the air is most contaminated by introducing outside air during heating to make the inside of the building a positive pressure.

[0017]

SUMMARY OF THE INVENTION In order to achieve the above object, an ondol heating apparatus of the present invention covers a part other than a floor surface to which a floor temperature sensor is attached with a heat insulating material, and also enters a warm air inlet below the floor and a room. An underfloor passage provided with a floor outlet, which is an outlet of the heater, a heating device main body including a hot water coil, a blower, and a control device provided on the hot air inlet and having a control valve for water flow control; and On the front surface of the heating device main body, a suction port having a room temperature sensor and for taking in indoor air is provided, and on the lower surface, an outlet for blowing out hot air exchanged by a hot water coil is provided.
On the other hand, the control device includes a timer circuit for controlling operation stop, a room temperature detection circuit to which the room temperature sensor is connected, a floor temperature detection circuit to which the floor temperature sensor is connected, a room temperature setting circuit, and each of these circuits. The operation circuit is configured to be connected, and the operation of the blower and the control valve is controlled by the output of the operation circuit.

According to the present invention, it is possible to obtain an ondol type heating apparatus which does not require a chamber box, can be fitted with a filter, can perform fine control, and can reduce initial cost and running cost.

Another means is to provide a second outlet on the lower front surface of the heating device main body, a damper for switching hot air between the outlet and the second outlet, and a damper motor for driving the damper. The damper motor is connected to the control device so that the heating mode can be switched.

According to the present invention, it is possible to obtain an ondol type heating apparatus which can switch between mild heating used for heating and rapid heating for blowing hot air directly into a room, while heating the floor surface while heating the floor, according to the use condition.

Another means is that a shutter for opening and closing and a shutter motor for driving the shutter are provided at each of the floor outlets provided in the plurality of rooms, and the shutter motor is used for controlling the heating device main body. It is configured to be connected to a device and to selectively heat a plurality of rooms.

According to the present invention, an ondol type in which a plurality of rooms can be heated by a single main body and hot air can be selectively blown out only to a room requiring heating by opening and closing a damper at a floor outlet. A heating device is obtained.

Further, as another means, an opening for introducing outside air is provided on the back of the heating device body, this opening is connected to an outer wall opening by a duct, and a ventilation hole is provided between rooms of the building, and the air is most contaminated. An exhaust port is provided in the room to ventilate the building while maintaining a positive pressure.

According to the present invention, it is possible to obtain an ondol type heating apparatus capable of adding a ventilation function to make the inside of a building a positive pressure by introducing outside air during heating to exhaust air from a room where the air is most dirty.

[0025]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention covers a floor other than a floor surface to which a floor temperature sensor is attached with a heat insulating material, and a floor which is a hot air inlet below the floor and an outlet to the room. An underfloor passage provided with an outlet, a heating device main body including a hot water coil, a blower, and a control device installed on the hot air inlet and having a control valve for water flow control, and a heating device main body. A suction port that has a room temperature sensor and takes in indoor air is provided on the lower surface, and an outlet that blows out hot air that has been heat-exchanged by a hot water coil is provided.On the other hand, the control device controls a timer circuit that stops operation, A room temperature detection circuit to which a room temperature sensor is connected, a floor temperature detection circuit to which the floor temperature sensor is connected, a room temperature setting circuit, and an arithmetic circuit to which each of these circuits are connected. Operation of blower and control valve Are those configured to control, has the effect of an unnecessary chamber box by providing a chamber function heater apparatus body, the attachment of the filter can, perform meticulous control of each temperature sensor.

According to a second aspect of the present invention, a second outlet is provided on a lower front surface of the heating device main body, and a damper for switching hot air between the outlet and the second outlet and a damper motor for driving the damper are provided. This damper motor is connected to a control device to switch the heating mode, and according to the usage conditions, the floor is heated while the exhaust is also used for heating. It has the effect of switching to rapid heating that blows into the room.

According to a third aspect of the present invention, a shutter for opening and closing each of the floor outlets provided in a plurality of rooms,
A shutter motor for driving the shutter is provided, and the shutter motor is connected to a control device of the heating device main body, and is configured to selectively perform heating of a plurality of rooms. In addition to heating the room, opening and closing the damper at the floor outlet allows the air to be selectively blown out only to the room requiring heating.

According to a fourth aspect of the present invention, an opening for introducing outside air is provided on the back of the heating device main body, the opening is connected to the outer wall opening by a duct, and a ventilation hole is provided between the rooms of the building. Provide an exhaust port in a dirty room,
This is a configuration in which ventilation is performed while the inside of the building is kept at a positive pressure. During heating, the inside of the building is placed at a positive pressure by introducing outside air, and has the effect of adding a ventilation function of exhausting air from the room where the air is most contaminated.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

[0030]

【Example】

(Example 1) As shown in FIG. 1, an underfloor passage 1 of warm air is formed under a floor of a building, and a heat insulating material 3 is provided on the underfloor passage 1 except for a floor surface 2.
The floor 2 is provided with a warm air inlet 4 and a floor outlet 6 which is an outlet for hot air after heat exchange with the floor to the room 5, and a heating device main body installed on the warm air inlet 4 7, a hot water coil 8 and a blower 9 are provided.

The hot water coil 8 is provided with an inlet pipe 10 and an outlet pipe 11 connected to a heat source device (not shown).
Further, the inlet pipe 10 is provided with a control valve 12 for controlling water flow, a suction port 13 for taking in indoor air and a filter 14 for removing dust from the suction air, and a hot water coil on the lower face. 8 is provided with an outlet 15 corresponding to the hot air inlet 4 for blowing out the hot air that has undergone heat exchange.

In addition, a suction port 13 provided in the heating device body 7
A room temperature sensor 16 and a floor temperature sensor 17 attached to the floor surface 2 and detecting the surface temperature of the floor are provided near the control unit 18.

Next, as shown in FIG. 2, the control device 18 has a timer circuit 19 for controlling the operation stop, a room temperature detection circuit 20 to which the room temperature sensor 16 is connected, and a floor temperature sensor 17 connected therein. And a calculation circuit 23 to which a room temperature setting circuit 22 is connected, and an output terminal of the calculation circuit 23 is connected to the blower 9 and the control valve 12.

In the above configuration, the indoor air is supplied to the suction port 1
3, the air is blown into the underfloor passage 1 under the floor by the hot water coil 8 as hot air, and exchanges heat with the floor surface 2 to increase the floor surface temperature. Perform

Further, heat exchanged with the floor surface 2 and the warm air whose temperature has been lowered are blown out from the floor outlet 6 into the room 5 and mixed with the air in the room 5 to heat the room itself.

When the air volume is increased by controlling the blower 9, the temperature of the blown hot air is reduced, but the overall heating capacity is improved. When the air volume is reduced, the temperature of the blown hot air is increased. However, it is also known that the overall heating capacity decreases.

It is known that the relationship between the comfortable room temperature and the floor surface temperature at this time desirably falls within a specific range as shown in FIG. This figure is an excerpt from the 1993 edition of the Air Conditioning and Sanitary Engineering Society of Japan Committee on the Evaluation of Floor Heating Amenity, "Amenity Evaluation of Floor Heating". It shows the range of comfort of the floor heating.

Therefore, the control device 18 compares and determines the output signals of the room temperature setting circuit 22, the room temperature detecting circuit 20, and the floor temperature detecting circuit 21 with the arithmetic circuit 23, and if it is desired to raise the floor temperature with respect to the room temperature, The arithmetic circuit 23 controls the rotation of the blower 9 to be reduced, and the air flow is reduced so that the floor temperature rises more than the room temperature. In the same manner as described above, the rotation of the blower 9 is controlled to increase, and by increasing the air volume, the control is performed so that the temperature rise at room temperature is higher than the floor temperature.

When the floor temperature becomes too high, the operation is performed by reducing the amount of hot water flowing into the hot water coil 8 while controlling the control valve 12 by the arithmetic circuit 23, and the heating operation is performed while lowering the floor temperature. Can do it. In this way, it is possible to realize a comfortable floor heating space with fine control.

(Embodiment 2) As shown in FIGS. 4 and 5, in addition to the structure of the above-described Embodiment 1, a second outlet 24 is provided on the lower front surface of the heating device main body 7A, and the hot air is blown out. A damper 25 for switching between the outlet 15 and the second outlet 24 and a damper motor 26 for driving the damper 25 are provided.
It is connected to an arithmetic circuit 23A provided inside 8A.

In the above configuration, the damper motor 26 is driven by the output signal of the controller 18A,
5 shields the air outlet 15, so that the hot air is blown out from the second air outlet 24 into the room 5A, thereby rapidly heating the room.

On the other hand, when the damper 25 shields the second outlet 24 by the action of the damper motor 26, the warm air is blown into the underfloor passage 1 to raise the temperature of the floor surface 2 and then to the floor outlet. 6, the circulation heating (mild heating) described in the first embodiment by the radiant heating from the floor surface and the air blown out from the floor outlet 6 can be simultaneously realized.

(Embodiment 3) As shown in FIGS. 6 to 8, the floor openings 6A, 6B, 6C provided in a plurality of rooms 40A, 40B, 40C have shutters 27A, 2A for opening and closing.
7B, 27C and shutter motor 2 for driving them
8A, 28B, and 28C are provided, and the shutter motors 28A, 28B, and 28C are connected to connection lines 29A, 29B,
29C, it is configured to be connected to the control device 18B of the heating device main body 7B.

Also, a plurality of rooms 40A, 40B, 40C
Are provided with remote controllers 36A, 36B, and 36C, respectively. The remote controllers 36A, 36B, and 36C have a built-in room temperature detection circuit 20 and a room temperature setting circuit 22, respectively.
An output signal line from the control circuit 18B provided in the control device 18B
3B.

In the above configuration, the remote controllers 36A, 36
The shutter motors 28A, 28B, and 28C are controlled for each room by the output signal of the control device 18B via B and 36C, and the shutters 27A, 27B, and 27C are opened and closed, so that warm air is supplied to the room where heating is most needed. Will be blown out.

In this embodiment, the electric motor is opened and closed using a shutter motor. However, the shutter may be manually opened and closed.

(Embodiment 4) As shown in FIG. 9, an outside air introduction opening 30 and a second filter 35 for removing outside air dust are provided on the back of the heating device main body 7C.
And the outer wall opening 31 are connected by a duct 32.

On the other hand, the rooms of the building are connected by a vent 33, and an exhaust port 34 is provided in a room where the air is most likely to become dirty (for example, a dining kitchen).

With the above configuration, when heating is performed, the inside of the building has a positive pressure because the air in the room 5B and the fresh air outside are sucked in and blown out as hot air.
Since the exhaust port 34 is provided in the room where the air is most likely to become dirty, it is possible to discharge the dirty air to the outside, and a comfortable ventilation operation is possible.

[0050]

As is apparent from the above embodiments, according to the present invention, the floor temperature and the room temperature are optimized by detecting the floor temperature and the room temperature, and controlling the air volume and the amount of hot water. In this way, comfortable heating can be achieved and running costs can be reduced.

Further, there is an advantageous effect that a chamber box is not required, a filter can be attached, and the initial cost can be reduced.

Further, a second outlet is provided on the lower front surface of the heating device main body, and a damper for switching hot air between the outlet and the second outlet and a damper motor for driving the same are provided to control the damper motor. Since the heating mode can be switched by connecting to the apparatus, an advantageous effect is obtained in which the floor can be switched between the mild heating used for heating and the rapid heating that blows hot air directly into the room while the floor is heated.

Further, a shutter for opening and closing and a shutter motor are provided at each of the floor outlets provided in a plurality of rooms, and this shutter motor is connected to a control device.
Because it is configured to selectively heat multiple rooms,
The advantageous effect of heating a plurality of rooms with one main body and blowing out hot air only to the rooms that need to be selectively heated by opening and closing the damper at the floor outlet is obtained.

Further, an opening for introducing outside air is provided on the back of the heating device main body, a ventilation hole is provided between rooms of the building, and an exhaust port is provided for a room where the air is most contaminated. At a positive pressure to add a ventilation function for exhausting air from a room where the air is most contaminated.

[Brief description of the drawings]

FIG. 1 is a schematic cross-sectional view illustrating a configuration of an ondol heating device according to a first embodiment of the present invention.

FIG. 2 is a control block diagram of the same.

FIG. 3 is a reference diagram showing target ranges of the same bed temperature and room temperature.

FIG. 4 is a schematic cross-sectional view showing a configuration of an ondol heating device according to a second embodiment of the present invention.

FIG. 5 is a control block diagram of the same.

FIG. 6 is a schematic cross-sectional view illustrating a configuration of an ondol heating device according to a third embodiment of the present invention.

FIG. 7 is a control block diagram of the same.

FIG. 8 is a control block diagram of the remote controller.

FIG. 9 is a schematic cross-sectional view illustrating a configuration of an ondol heating device according to a fourth embodiment of the present invention.

FIG. 10 is a schematic configuration diagram of a conventional ondol heating device in which reversible operation of a fan is performed.

FIG. 11 is a schematic configuration diagram of an ondol type heating device in a form using a conventional existing heating device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Underfloor passage 4 Hot air inlet 2 Floor surface 3 Insulation material 4 Hot air inlet 6 Floor outlet 6A Floor outlet 6B Floor outlet 6C Floor outlet 7 Heating device main body 7A Heating device main body 7B Heating device main body 7C Heating device main body 8 Hot water coil 9 Blower 12 Control valve 13 Suction port 15 Outlet 16 Room temperature sensor 17 Floor temperature sensor 18 Controller 18A Controller 18B Controller 19 Timer circuit 20 Room temperature detection circuit 21 Floor temperature detection circuit 22 Room temperature setting circuit 23 Arithmetic circuit 24 First 2 outlet 25 damper 26 damper motor 27A shutter 27B shutter 27C shutter 28A shutter motor 28B shutter motor 28C shutter motor 30 opening for outside air introduction 31 outer wall opening 32 duct 33 ventilation opening 34 exhaust opening 40A room 40B room 40C room

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Midori Iwasaki 6-2-61 Imafukunishi, Joto-ku, Osaka-shi, Osaka Matsushita Seiko Co., Ltd.

Claims (4)

[Claims] An underfloor passage which covers a portion other than the floor surface to which a floor temperature sensor is attached with a heat insulating material and has a warm air inlet below the floor and a floor outlet which is an air outlet into the room, and the warm air inlet. A heating device main body including a hot water coil, a blower, and a control device installed thereon, which is provided with a control valve for water flow control, and a suction port for taking in indoor air having a room temperature sensor on a front surface of the heating device main body. The lower surface is provided with an outlet for blowing out hot air that has been heat-exchanged by a hot water coil. On the other hand, the control device includes a timer circuit for controlling operation stop, a room temperature detection circuit to which the room temperature sensor is connected, and the floor temperature. A floor temperature detection circuit to which a sensor is connected, a room temperature setting circuit, and an arithmetic circuit to which each of these circuits are connected, an ondol type configured to control the operation of the blower and the control valve by the output of the arithmetic circuit Heating system . And a damper for switching hot air between the outlet and the second outlet and a damper motor for driving the same, and controlling the damper motor. The ondol heating device according to claim 1, wherein the heating device is connected to the device and is configured to switch a heating mode. 3. A shutter for opening and closing, and a shutter motor for driving the shutter are provided at each of the floor outlets provided in the plurality of rooms, and the shutter motor is connected to a control device of the heating device main body. 2. The ondol heating device according to claim 1, wherein the heating device selectively heats a plurality of rooms. 4. An outside air introduction opening is provided on the back of the heating device main body, this opening is connected to an outer wall opening by a duct, a ventilation opening is provided between rooms of the building, and an exhaust opening is provided in a room where the air is most contaminated. 2. The ondol heating apparatus according to claim 1, wherein ventilation is performed while the inside of the building is kept at a positive pressure.