JPH0914681A - Far-infrared floor heater - Google Patents

Abstract

PURPOSE: To ensure an improvement of heat efficiency and reduction in the running cost by forming a warm water circulation circuit with a pump, an far-infrared panel, a temperature detector, and an auxiliary heat source and connecting the circulation circuit to a starting warm water supply source through a three-way valve. CONSTITUTION: A changeover valve 10. is opened upon starting of floor heating, and cold water in an far-infrared panel 1 is driven out to the outside with warm water pressure from a heat source, and instead warm water from the heat source is replaced in a line in the panel 1. After starting, temperature of a circuit is detected and when set temperature is reached, the three-way valve 3 is changed over to interrupt supply of starting warm water from a starting warm water supply source 2. The changeover valve 10 is closed, and the route is changed over to a warm water circulation circuit composed of an auxiliary heat source 4, a pump 6, and the far-infrared panel 1. Hereby, the warm water returned from the far-infrared panel 1 is auxiliary heated with the auxiliary heat source 4 and is circulated. Hereby, supply of warm water to the circuit may be only one time upon starting, and hence wasteful use of warm water is eliminated to improve energy efficiency.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor heating apparatus utilizing radiant heat of far infrared rays, and more particularly to a far infrared floor heating apparatus having excellent thermal efficiency and capable of reducing running costs.

[0002]

2. Description of the Related Art Conventionally, a floor heating system using far infrared rays is known. However, the conventionally known floor heating device is
It is only advocating the use of far infrared rays, and in fact the emissivity of far infrared rays is extremely small, and basically it was just a structure that heats the heating element inside the floor to conduct heat. For example, the floor heating device disclosed in Japanese Utility Model Laid-Open No. 60-106015 uses an electric heater as a heat source and forms a far infrared radiation layer on the upper part of the heater. It is only used as a general heat source. In the floor heating panel disclosed in Japanese Utility Model Laid-Open No. 63-15595, electrodes and lead wires are connected to an insulating material by connecting a polymer heating element formed in a thin plate shape,
Although a urethane-based heat insulating material was attached to the lower surface, such a floor heating panel was not sufficiently efficient in generating far infrared rays. Furthermore, the conventional floor heating system using far infrared rays is
In both cases, the heat source had to be kept in operation during the heating time, and there was a drawback that the energy efficiency was poor.

[0003]

SUMMARY OF THE INVENTION The present invention solves the drawbacks of the conventional floor heating system using far infrared rays,
The purpose of the present invention is to provide a floor heating system which has excellent thermal efficiency and can reduce running costs.

[0004]

In order to solve the above-mentioned problems, the means adopted by the present invention is to form a hot water circulation circuit by a pump, a far infrared panel, a temperature detecting means, and an auxiliary heating source, The hot water circulation circuit is connected to a hot water supply source for activation through a three-way switching valve.

Further, the auxiliary heating source is characterized by comprising a ceramic heater.

Further, the hot water supply source for start-up comprises an electric water heater.

Further, a temperature control section is connected to the temperature detecting means.

[0008]

[Function] The hot water circulation circuit is connected to the hot water supply source for startup through the three-way switching valve, and when the floor heating starts, the cold water in the far infrared panel is driven out by the hot water pressure from the heat source, and the hot water from the heat source is used instead. Is switched to the line inside the panel, and after startup, the three-way switching valve is switched to shut off the supply of hot water for startup from the hot water supply source for startup, and the hot water returned from the far-infrared panel is supplementarily heated by the auxiliary heating source. Circulate while doing.

Further, since the temperature inside the circuit is adjusted to the set temperature by using a heating means such as a ceramic heater which continuously heats hot water while flowing it, the energy efficiency is improved and at the same time as under the floor. It can be placed in a very small space.

[0010]

According to the present invention, the hot water is supplied to the circuit only once at the time of starting, and the supplied hot water is circulated and used thereafter, so that the hot water is not wasted and the energy efficiency is improved. In addition, the hot water supply source for start-up may have a hot water supply amount corresponding to a single supply amount of hot water for start-up, and there is an advantage that it does not need to be a hot water heating source with a large hot water supply amount.
Furthermore, since the hot water circulating in the circuit need only be supplementarily heated, it does not need to be a heater with a large capacity, and since it is a system that circulates the hot water inside the far-infrared panel, the running cost is significantly reduced. You can Also, since the temperature inside the circuit is adjusted to a set temperature by using a heating means such as a ceramic heater that continuously heats hot water while passing it through, the energy efficiency is improved and a narrow space such as under the floor is provided. Can be placed in

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 shows a far infrared floor heating system according to the present invention. In the figure, (1) is a far infrared panel, (2) is a hot water supply source for startup, (3) is a three-way switching valve, and (4) is an auxiliary. A heating source, (5) is a temperature control section. Hot water for startup from the hot water supply source for startup (2) is sent to the hot water supply pipe (7) by the pump (6) via the three-way switching valve (3) and is supplied to the far infrared panel (1). Far infrared panel
The hot water that has passed through the inside of (1) is returned to the auxiliary heating source (4) through the hot water return pipe (8). On the inlet side of the auxiliary heating source (4),
A temperature sensor (9) is installed to detect the temperature of the returned hot water and output it to the temperature control unit (5). The temperature control unit (5) activates the auxiliary heating source (4) to return the temperature. Heat the warm water to the required temperature. The heated hot water is sent to the hot water supply pipe (7) via the three-way switching valve (3). (10) is a switching valve for discharging hot water from the circuit, which is a three-way switching valve.

According to the present invention, the switching valve (1
Far infrared panel (1) is opened by opening (0) and warm water pressure from the heat source.
The cold water in the inside is expelled to the outside, the hot water from the heat source is replaced in the line inside the panel (4) instead, the temperature of the circuit is detected after startup, and the three-way switching valve (3) is switched when the set temperature is reached. Shut off the hot water supply for start-up from the hot water supply source for start-up (2) and close the switching valve (10) so that the auxiliary heating source
The hot water circulating circuit consisting of (4), pump (6) and far infrared panel (1) is switched, and hot water returned from the far infrared panel (1) is circulated while being supplementarily heated by the auxiliary heating source (4). The feature is that it is made to do. It is preferable that switching of these circuits and opening / closing of the valve are automatically performed. Thus, according to the present invention, the hot water is supplied to the circuit only once at the time of startup, and the supplied hot water is circulated and used thereafter, so that the hot water is not wasted and the energy efficiency is improved. The hot water supply source for start-up may also have a hot water supply amount corresponding to a single supply amount of hot water for start-up, and has an advantage that it does not need to be a hot water heating source with a large hot water supply amount.
Furthermore, since the hot water circulating in the circuit only needs to be supplementarily heated, it does not need to be a heater with a large capacity, and the system that circulates the hot water inside the far infrared panel (1) significantly reduces running costs. It can be reduced. Also, since the temperature inside the circuit is adjusted to the set temperature by using a heating means such as a ceramic heater that continuously heats while flowing hot water, energy efficiency is improved and a narrow space such as an underfloor space is provided. Can be placed in

The far-infrared panel (1) is optimally the one having the structure described later, but is not limited to this, and a far-infrared panel which is commercially available in the past can be used. The hot water supply source (2) for start-up is an electric water heater that uses late-night power in the illustrated embodiment, but is not limited to this, and a water heater that uses any heat source such as electricity, gas, solar, or kerosene. May be Three-way switching valve (3) and switching valve (1
The solenoid valve 0) is a solenoid valve that can be remotely operated by the temperature control unit (5). The auxiliary heating source (4) is preferably one capable of continuously heating the flowing hot water, for example, a ceramic heater or a heater means having a heating system using electromagnetic waves. The temperature control unit (5) consists of a temperature control unit (5a) that receives the temperature signal of the return hot water from the temperature sensor (9), manages the temperature, and sends a necessary heating signal, and a control panel (5b). The auxiliary heating source (4) is controlled by the temperature controller (5a) to adjust the temperature in the circuit to the temperature set by the control panel (5b). The temperature control range is, for example, ± 10 ° C. and is stabilized at the set temperature several times a day.

2 to 5, a far infrared panel (1)
Will be described. In the figure, (11) is a base plate made of a heat insulating foam material, and an outer frame (12) is formed by a C type aluminum frame above the base plate, and the inside of the outer outer frame (12) is made of H type aluminum. Reinforce it like a ladder with the frame reinforcements (13). The outer frame (12) and the reinforcing material (13) have higher dimensions than the base plate (11),
Heat transfer plate made of aluminum punching metal on top of it (14)
Is arranged. A space (15) is formed between the base plate (11) and the heat transfer plate (14). A far-infrared layer (16) made of a far-infrared radiation material is laminated on the heat transfer plate (14), and a surface material such as carpet, flooring, vinyl chloride sheet, tatami mat, etc. is formed on the far-infrared layer (16).
(17) are laminated. The surface layer material (17) can be exchanged as needed. A hot water pipe (18) is arranged in the space (15), and an upper surface of the hot water pipe (18) is in contact with the heat transfer plate (14). The far-infrared radiation material forming the far-infrared layer (17) is
It is most preferable that the composition and the ratio are as shown in Table 1 below. By creating a space (15), heat efficiency is kept warm and the chemical reaction of radiation is maintained, and the temperature is kept higher than room temperature (36 ° C) emitted from the hot water pipe (18) by the effect of far infrared rays and the heat efficiency is increased. Is recognized.

[0015]

[Table 1]

The far-infrared panel (1) is used in various forms as shown in FIGS. 4 and 5 in an appropriate combination according to the size and shape of the floor surface to be installed. One panel is 8
The basic form is 50 × 1700, which is the size and shape of one tatami mat, and the three basic panels shown in FIGS. 4A, B, and C (1
Prepare a). In addition, in order to correct the surplus generated when the basic panel is placed on the floor surface, D, E, and F in FIGS.
Prepare the auxiliary panel (1b). Each of these panels has a pipe connecting end (19) protruding at one or two corners, and a notch (20) is formed for facilitating the pipe connecting work. The pipes (21) of the basic panels B and C are hot water return pipes. In addition, auxiliary panel D,
The far infrared ray layer (16) is not formed in E and F, and the pipes are simply connecting pipes.

When the far infrared panel (1) is installed on the floor surface, for example, a hot water outlet pipe is connected to the lower pipe connecting end on the right side of the basic panel B, and the upper pipe connecting end on the left side is connected to the right side of the basic pipe C. Connect to the pipe connection end on the top of. or,
The return pipes (21) of the basic panels B, C are connected to each other.
Then, the pipe connecting ends of the basic panel A are respectively connected to the upper and lower pipe connecting ends on the left side of the basic panel C, and the hot water return pipe of the hot water circuit is connected to the pipe connecting end of the return pipe (21) on the upper right side of the basic panel B. 8) are connected to form a hot water circulation circuit through the panel. In this way, the basic panels A, B, C
Although floor heating is installed by connecting, the basic panel may not be connected depending on the size and shape of the floor surface. At that time, the auxiliary panels D, E or F are connected depending on the area and shape of the remaining floor.

In the far-infrared panel of the present invention, the heating element having the above-mentioned structure is formed of a heat-transfer plate (14) made of aluminum punching metal having a good thermal conductivity, and further the far-infrared radiation material comprising the above-mentioned components and proportions is transferred. As it is laminated on the plate, it becomes a low heat source.
It is possible to efficiently radiate medium-temperature water (36 to 50 ° C.) and generate far infrared rays with high efficiency. The generation efficiency of far infrared rays is as shown in FIG. In FIG. 6, line A
Shows the ideal far infrared ray generation efficiency, and the far infrared ray panel of the present invention shows the generation efficiency with a line B, and it can be understood that it is close to the ideal generation efficiency. Further, as shown in FIG. 7, according to the panel of the present invention, far infrared rays are
It occurs with a high efficiency of over%.

According to the present invention, since the heating panel radiates far infrared rays uniformly, the temperature inside the room can be kept uniform, the action of promoting blood circulation in the human body is very strong, and low temperature water (the floor surface is Even at a normal temperature of 36 ° C), there is no great difference in emissivity. It is recognized that water clusters are reduced by the effect of far-infrared rays to the water that passes through the hot water pipe (warm water), and that the water has an active force, and the water that has become active water (or hot water) is in a sealed state. It will not rot for about 3 months and will not damage or damage the mechanical part of the device.

[Brief description of the drawings]

FIG. 1 is a hot water circuit diagram of the present invention.

FIG. 2 is a sectional view of a far infrared panel.

FIG. 3 is a plan view of a far infrared panel.

FIG. 4 is a plan view showing the form of a far infrared panel.

FIG. 5 is a plan view showing the form of a far infrared panel.

FIG. 6 is a graph showing generation efficiency of far infrared rays.

FIG. 7 is a graph showing a far infrared ray generation efficiency.

[Explanation of symbols]

 (1) Far infrared panel (2) Hot water supply source for startup (3) Three-way switching valve (4) Auxiliary heating source (5) Hot water control unit (6) Pump (7) Hot water supply pipe (8) Hot water return pipe (9) ) Temperature sensor (10) Switching valve (11) Base (12) Outer frame (13) Reinforcement material (14) Heat transfer plate (15) Space (16) Far infrared layer (17) Surface layer material (18) Hot water pipe (19 ) Pipe connection end (20) Notch (21) Return pipe

Claims (4)

[Claims] 1. A hot water circulation circuit is formed by a pump, a far infrared panel, a temperature detection means, and an auxiliary heating source, and the hot water circulation circuit is connected to a hot water supply source for startup through a three-way switching valve. Far infrared floor heating system. 2. The floor heating system according to claim 1, wherein the auxiliary heating source is a ceramic heater. 3. The floor heating system according to claim 1, wherein the hot water supply source for start-up comprises an electric water heater. 4. The floor heating system according to claim 1, 2 or 3, wherein a temperature control section is connected to the temperature detecting means.