JPH10160178A - Heat storage floor warming system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To measure the temperature on the rear side of floor correctly by setting a floor member temperature measuring means in a recess made in the upper surface of a joist thereby fixing the floor member temperature measuring means easily and surely. SOLUTION: A joist structure floor comprises a floor member 1 stretched on joists 6 normally arranged at an interval of several tens cm. Board-like heat storage members 2 are laminated between the joists 6, 6 while sandwiching a planar electric heater 3 and a heating temperature measuring means 30. When the temperature-sensitive part 31 of the heating temperature measuring means 30 or the temperature-sensitive part 41 of a floor member temperature measuring part 4 senses a temperature higher than a predetermined level, signals are delivered through leads 32, 42 to a heating stop means which interrupts the electric circuit between a power supply and the heater 3. A recess 61 for receiving the floor member temperature measuring part 4 is made at a desired position on the upper surface of the joist 6 by cutting, for example.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a regenerative floor heating system for various types of buildings such as general houses, nursing homes, hospitals, and buildings, and more particularly to a regenerative floor heating system having a joist structure.

[0002]

2. Description of the Related Art One important use of a heat storage material is indoor heating of various buildings in winter, which makes effective use of inexpensive nighttime power. In this case, a method is adopted in which a heat storage material is arranged under the floor of a building, and the heat storage material is heated at night by a heating means such as electric heating or a hot water pipe to store heat. The heating by the hot water pipe is performed by flowing hot water obtained by separately heating with nighttime electric power through the pipe. At present, the heating means is operated with the heat storage time in the heat storage material being 8 to 10 hours at night,
The heat release of the heat storage material is started early in the morning after the end of the heat storage.

[0003] However, there are relatively warm days such as early spring and autumn, and even in the winter season. On such days, despite the fact that indoor heating is not required, the heat is continuously radiated from the heat storage material once stored. However, there is a problem that the room temperature in the daytime becomes high and the residents in the room become uncomfortable, and power is wasted at night. In order to solve such a problem, the present inventors set up a temperature measuring means such as a thermocouple on a flooring in Japanese Patent Application Laid-Open No. 5-66024 and constantly measure the surface temperature of the flooring during the heat storage time. When the surface temperature of the floor material reaches a certain value, it is considered that necessary heat storage has been completed, and a heat storage type floor heating device that stops heating the heat storage material at that time is proposed. On a warm day, the necessary heat storage can be performed by short-time heating at night. In the above-described regenerative floor heating device, the end of required heat storage is detected based on the temperature of the floor material, and excessive heating of the heat storage material is prevented. As a result, wasteful consumption of electric power at night and unpleasant overheating as in the related art can be solved at once.

[0004] By the way, at the site where the regenerative floor heating is performed, the location conditions of the building, the special circumstances of the room for performing the indoor heating, the given construction period, and the like are quite various. In such various execution environments, it is required that the required execution can be completed within a given construction period so that the temperature of the floor material can be correctly detected. However, the installation work of the means for measuring the temperature of the flooring material is unexpectedly complicated at the enforcement site,
If there is an improper installation, the temperature measuring means may come off from the floor material. As a practical matter, there is often a difference between the enforcer of the regenerative floor heating device and the enforcer of the floor material, and in such a case, when installing the temperature measuring means on the floor as described above,
It is necessary to hold a meeting between the two parties, and the construction is complicated, and the construction period may be delayed. Also, when the temperature measuring means is installed on the back surface of the flooring material, if the temperature sensing part of the temperature measuring means installed on the back surface of the flooring material in the open space is separated from the flooring surface, the correct temperature of the flooring surface is Measurement becomes difficult. After the regenerative floor heating system is put into practice, underfloor inspection is extremely difficult in practice, and there is always an uncertainty as to whether the temperature measuring means is securely mounted at the correct position.

[0005]

SUMMARY OF THE INVENTION In view of the above, it is an object of the present invention to provide a regenerative floor in which a floor material temperature measuring means can be easily and reliably mounted on a construction site and which can correctly measure the temperature of the floor back. It is to provide a heating device.

[0006]

The present invention has the following features. (1) having a heating temperature measuring means for measuring the temperature of the heating means for heating the heat storage material arranged between the joists, and a floor material temperature measuring means for measuring the back surface temperature of the floor material stretched on the joists; The regenerative floor heating device is characterized in that the floor material temperature measuring means is installed in a depression on the surface of the joist on which the floor material is stretched. (2) The regenerative floor heating device according to the above (1), wherein the heating means is planar electric heat. (3) The heat storage material is installed in two layers.
The regenerative floor heating device according to the above (1) or (2), wherein a heating means and a heating temperature measuring means are provided between the layers. (4) The regenerative floor heating device according to any one of (1) to (3), further including a heating stop unit that stops heating by the heating unit when the floor material temperature measuring unit detects a temperature equal to or higher than a certain value. . (5) The regenerative floor heating device according to the above (4), further comprising a temperature control means for controlling the temperature of the heating means.

[0007]

In a regenerative floor heating device having a joist structure, a floor material is stretched on the upper surface of the joist by gluing or nailing, but in the present invention, the floor material is placed in the depression on the upper surface of the joist. Install floor temperature measuring means. For this reason, the following various effects are exerted. I. Since the floor material is stretched just above the depression, the inside of the depression becomes a closed space. Therefore, there is no fear that the floor material temperature measuring means existing in the closed space will fall off therefrom. B. By making the depth and width of the depression approximately the same as the thickness of the floor material temperature measuring means, the rattling of the temperature measuring means in the depression can be prevented, and the temperature-sensitive portion of the temperature measuring means can be prevented from moving. A constant pressure can always be pressed against the underside of the overlying flooring, so that the temperature at the underside of the floor can be measured correctly. C. When the depression becomes the above-described closed space, one wall of the closed space is the floor back surface itself as a target of temperature measurement,
The temperature of the closed space, which is generally a very small space, is substantially equal to the temperature of the floor back. Therefore, even if the temperature sensing part of the floor material temperature measuring means is not in contact with the surface, sufficiently accurate measurement can be performed.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION A floor with a joist structure is a structure in which a floor material is stretched on a joist usually provided at intervals of several tens of cm. The flooring material used in the present invention includes a flooring, that is, a flooring made of only a material having one surface finished, and a flooring having a discarded plywood or the like behind the flooring. In the case of a flooring consisting solely of a flooring, the back surface of the flooring is subject to temperature measurement, and in the case of a flooring having a plywood or the like on the backside of the flooring, the backside of the flooring is subject to temperature measurement.

As the heating temperature measuring means and the floor material temperature measuring means, various thermometers, for example, a resistance thermometer using platinum or nickel or the like as a temperature measuring resistor, a thermoelectric comprising a copper-constantan wire or an iron-constantan wire, etc. A thermometer or the like can be used.

As the heat storage material, various known materials can be used. For example, styrene-based thermoplastic elastomers such as styrene-ethylene-propylene-styrene-block copolymer and styrene-isoprene-styrene-block copolymer per 100 parts by weight of waxes such as paraffin wax such as normal paraffin and higher alcohol. And a composition obtained by mixing 1 to 30 parts by weight of an organic polymer such as various olefinic thermoplastic elastomers and ethylene-vinyl acetate copolymer, and those described in JP-A-4-85387. These heat storage materials are used by enclosing them in a metal laminate or a plastic sheet or the like as necessary, or housed in a metal case or a plastic case.

In the present invention, the heating means may be an electric heater, a hot water pipe or any other type. Further, the heating means is preferably a planar one so as to uniformly heat the entire surface of the heat storage material generally used in a plate shape or a layer shape. In the case of a hot water pipe, a hot water pipe is connected to a hot water source tank, and hot water heated to a required high temperature by night power is circulated between the hot water pipe and the hot water source tank. The electric heating, hot water pipe or other heating means generally has a structure in which a heat generating portion is surrounded by another material. Therefore, the temperature of the heating means to be measured by the heat generation temperature measuring means may be the surface temperature of the surrounding material. If the heating part of the heating means is used without being surrounded by another material, and the temperature of the heating part itself can be measured, the temperature of such heating means may be the temperature of the heating part itself. .

Hereinafter, the present invention will be described in detail with reference to the drawings. FIG. 1 is a top view showing a part of the internal structure of the present invention, FIG. 2 is a sectional view taken along the line XX in FIG.
FIG. 3 is an explanatory diagram of temperature control in the present invention. 1 to 3
, The same parts are indicated by the same numbers.

1 to 3, reference numeral 1 denotes a floor material, 2 denotes a heat storage material disposed below the floor material 1, 3 denotes planar electric heat as a heating means for the heat storage material 2, and 30 denotes a temperature sensing unit 31. And a lead 32, and a heating temperature measuring means 4.
Floor material temperature measuring means consisting of:
Is a depression in the upper surface 62, S is a heating stop means such as an electric switch, and E is a power supply. Floor material temperature measuring means 4
Is installed in a depression 61 on the upper surface 62 of the joist 6, and the flooring 1 is stretched thereon. Floor material 1 is discarded floor material 1
2 and the flooring 11, and the temperature sensing part 41 of the floor material temperature measuring means 4 in the depression 61 comes into contact with the back surface of the floor material 12 to detect the surface temperature thereof. In some cases, a soaking material layer is provided between the back surface of the flooring material 1 or between the flooring material 1 and the heat storage material 2 (if the heat storage material is a multi-layer stack of two or more layers, the topmost heat storage material). is there. When the soaking material layer is provided, the soaking material layer in that portion is not interrupted by the soaking material layer between the floor material temperature measuring means 4 and the back surface of the discarded floor material 12. , Cut off.

A board-shaped heat storage material 2 is disposed between the joists 6 and 6 in a state where the board-shaped heat storage material 2 is vertically stacked.
It is sandwiched between. Reference numeral 7 denotes a heat insulating material, and reference numeral 71 denotes a cutout provided on the heat insulating material 7.

When the temperature sensing part 31 of the heating temperature measuring means 30 or the temperature sensing part 41 of the floor material temperature measuring means 4 senses a temperature equal to or higher than a predetermined value, the signal is sent to the heating stopping means S by the leads 32 and 42, respectively. Transmitted to the heating stop means S
Receives the signal and cuts off the electric circuit C between the power source E and the electric heater 3. As the heating stop means S, for example, the temperature sensing section 31,
It is possible to use a discriminating circuit for judging whether or not the temperature information signal from 41 or the like is equal to or more than a certain value, and a device including an electromagnetic contact operated according to a command from the discriminating circuit.

The heating temperature measuring means 30 is used to control the surface temperature of the electric heating 3 to an appropriate temperature. In the severe winter season, the surface temperature of the flooring material cannot be raised to a required temperature, and thus the above-described flooring material temperature control may not be performed. On the other hand, assuming such a case in advance, it has been practiced to continuously operate the electric heating 3 and continuously heat the heat storage material 2 at a high temperature, but this is uneconomical. In general, sufficient heat storage can be performed by heating the heat storage material at a temperature slightly higher than its heat radiation temperature (t ° C.), for example, about (t + 10) ° C. The surface upper limit temperature of No. 3 may be set to 50 ° C. If the heating temperature measuring means 30 is provided in the electric heater 3 as described above, necessary heating can be performed economically even in severe winter.

When the heating means is a hot water pipe, when the temperature sensing part of the floor material temperature measuring means senses a temperature equal to or higher than a certain value,
The signal is transmitted to the heating stop means, which receives the signal and stops the circulation of the hot water and the heating of the circulating water heating means installed in the hot water source tank. In order to heat the heat storage material at an appropriate temperature as described above, the hot water source tank may be provided with a temperature control means for heating and maintaining the circulating water at the aforementioned appropriate temperature.

In the regenerative floor heating apparatus of the present invention, the temperature of the floor material measured during the heat storage is one in a room of several tatami mats to ten and several tatami mats, and two to ten in a large hall of ten to several hundred tatami mats. A few places are sufficient. The depression 61 in which the floor material temperature measuring means 4 is installed may be formed by cutting a desired portion of the upper surface 62 of the joist 6 by a method such as cutting, or may already exist for some reason. Is also good.

[0019]

By controlling the heating temperature of the heat storage material installed between the joists at night by measuring the back surface temperature of the floor material, unpleasant floor heating can be achieved in winter and in the spring or in the early autumn season on relatively warm days. Can be prevented. Further, since the installation of the floor material temperature measuring means for measuring the surface temperature of the floor material is simple and reliable, a high-quality regenerative floor heating device is realized.

[Brief description of the drawings]

FIG. 1 is a top view showing a partial internal structure of the present invention.

FIG. 2 is a sectional view taken along the line XX in FIG.

FIG. 3 is an explanatory diagram of temperature control in the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Flooring material 2 Heat storage material 3 Electric heating 30 Heating temperature measuring means 4 Flooring temperature measuring means 6 Joist 61 Depression S Heat stop means E Power supply

Claims (5)

[Claims] 1. A heating temperature measuring means for measuring a temperature of a heating means for heating a heat storage material disposed between joists, and a floor material temperature measuring means for measuring a back surface temperature of a floor material stretched on the joists. The regenerative floor heating device, wherein the floor material temperature measuring means is installed in a depression on the surface of the joist on which the floor material is stretched. 2. The regenerative floor heating device according to claim 1, wherein the heating means is planar electric heat. 3. The regenerative floor heating apparatus according to claim 1, wherein the heat storage material is disposed in two layers, and a heating means and a heat generation temperature measuring means are provided between the two layers. . 4. The regenerative floor heating apparatus according to claim 1, further comprising heating stop means for stopping heating by the heating means when the floor material temperature measuring means detects a temperature equal to or higher than a predetermined value. 5. The regenerative floor heating apparatus according to claim 4, further comprising temperature control means for controlling the temperature of the heating means.