JPH0626661A - Floor heating device - Google Patents

Abstract

(57) [Summary] (Correction) [Purpose] Floor finishing material, heat insulation performance under floor finishing material,
Provided is a floor heating device in which an accurate temperature control range is set in accordance with the situation of a room where a floor finish material is used, and a predetermined floor surface temperature is obtained. [Construction] A heating means 23, a floor temperature sensor 24 for detecting the temperature of the heating means 23, and a temperature table having an optimum adjustment range for a floor finishing material are built in, and a unit of time per unit time is based on a signal from the floor temperature sensor. An arithmetic circuit 25 that determines the floor finishing material from the floor temperature rise value and determines the optimum adjustment range from the temperature table based on this, and the temperature table for a certain period after turning on the energizing switch 18 regardless of the adjustment temperature. Is equipped with a rapid heating circuit 19 for controlling at the maximum set temperature, and the floor temperature rise value per hour is the temperature having the optimum adjustment range from the above temperature table after correcting the reference temperature by the temperature before turning on the energizing switch. The correction means for selecting the table is provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor heating system for a house in which a heating means is provided on the floor surface and heating is performed by radiant heat from the floor.

[0002]

2. Description of the Related Art Floor heating, which is provided with heating means on the floor and is heated by radiant heat from the floor, does not stir the air in the room,
Moreover, since the temperature distribution in the vertical direction is good, it is possible to set the room relatively low, so it is difficult to dry the air and it is said to be an ideal heating system for head-and-foot heat. Among them, the full-fledged construction floor heating system has the advantage that a variety of floor finishing materials can be freely selected as the home becomes more sophisticated, and the demand for it has grown significantly in recent years.

However, although it is possible to freely select various floor finishing materials, in order to obtain a constant surface temperature of the floor finishing material, the surface temperature of the floor heating means greatly differs depending on the difference in thermal conductivity of the material. , For example, because the temperature difference between the front and back of the floor finish material is more than twice as high as the carpet and the natural stone, which have high heat retention, the floor temperature does not rise even if the temperature is controlled by the controller of the floor heating system, or the floor is too hot. There was such a problem. Therefore, the conventional floor heating device is also provided with a manual changeover switch for switching the temperature control range of the control device for controlling the heating state, and an automatic switching system for automatically switching the temperature control range of the control device. ing.

FIG. 9 shows a conventional floor heating system equipped with an automatic temperature control range switching system.
The calculation circuit 2, the adjusting means 3, the temperature control circuit 4, and the control section 5 are provided. The calculation circuit 2 and the temperature control circuit 4 are provided between the temperature of the heating means 6 and the temperature of the floor surface caused by the thermal characteristics of the floor finishing material. The temperature control range is automatically switched in consideration of the difference. That is, the floor temperature sensor 7 and the arithmetic circuit 2 calculate the rate of rise of the floor temperature, the material of the floor finishing material is discriminated, and the temperature is adjusted according to the material of the floor finishing material so that the temperature difference is reduced. The range was set.

[0005]

However, in the above-mentioned structure, when the temperature adjustment range manual changeover switch is used, even if the setting position of the temperature adjustment range manual changeover switch is decided depending on the material of the floor finishing material, There may be cases where a predetermined floor surface temperature cannot be obtained depending on the heat insulation performance of the lower part of the floor finish material and the conditions of the room where the floor finish material is used. Further, in the case of using the temperature control range automatic switching system, even if the temperature control range is set by using only the floor temperature rising speed, if the floor temperature is already high, or if the predetermined floor surface temperature is set low. Has a problem in that the time for measuring the rate of rise in the bed temperature is short and an accurate temperature control range cannot be set, so that a predetermined floor surface temperature may not be obtained.

The present invention solves the above-mentioned problems of the prior art, and it is accurate according to the material of the floor finishing material, the heat insulating performance of the lower portion of the floor finishing material, the condition of the room where the floor finishing material is used, etc. It is an object of the present invention to provide a floor heating device in which a predetermined temperature control range is set and a predetermined floor surface temperature is obtained.

[0007]

In order to solve the above problems, the floor heating system of the present invention provides a heating means, a floor temperature sensor for detecting the temperature of the heating means, and an optimum adjustment range for the floor finishing material. A built-in temperature table which has a built-in temperature table, determines the floor finishing material from the floor temperature rise value per unit time based on the signal from the floor temperature sensor, and calculates the optimum adjustment range from the temperature table based on this. The circuit includes a circuit and a rapid heating circuit that controls the heating means to operate at the maximum set temperature of the temperature table for a certain period of time after turning on the energizing switch regardless of the adjustment temperature.

[0008]

According to the present invention, the above-mentioned structure allows the sufficient measurement time to be obtained by the function of the quick heating circuit even in the spring and autumn season when the floor temperature is high and the set temperature is low.
You can set the optimum control temperature range according to the heat insulation performance of the bottom of the floor finishing material, the condition of the room where the floor finishing material is used, etc.
A given floor surface temperature is always obtained.

[0009]

Embodiments of the present invention will be described below with reference to the drawings.

In FIGS. 1 and 2, 8 is a control device, 9 is a floor temperature sensor installed in a floor heating panel 10 which is a heating means, 11 is a floor finishing material, and 12 is a lower part of the floor heating panel 10. It is an installed heat insulating material.

A receiving plate 15 is provided between joists 14 arranged at regular intervals on a large pull 13, and a heat insulating material 12 such as glass wool is placed on the receiving plate 15. A floor heating panel 10 including a floor temperature sensor 9 is a base material 1 laid on the joist 14 described above.
It is fixed on top of 6 with an adhesive, a nail or the like. Then, a floor finishing material 11 such as a carpet or wood flooring is laid on the floor heating panel 10 for finishing.

In FIG. 3, reference numeral 17 is a control device for controlling the energization of the heating means 23 so as to reach a set temperature, 18 is an energization switch for energizing the floor heating device, 19 is a fixed time period immediately after the start of energization, and the constant A rapid heating circuit that gives instructions for selecting a temperature table to the arithmetic circuit and the temperature control circuit during the time, 2
Reference numeral 0 is a temperature control circuit for performing an output corresponding to the floor temperature setting, 21 is an adjusting means for performing a floor temperature setting of the temperature adjusting circuit 20, and 22 is a control unit for energizing the heater in accordance with the output of the temperature adjusting circuit 20. A control unit, 23 is a heating unit having the heater built therein, 24 is a floor temperature sensor, 25 is a temperature table having an optimum adjustment range for the floor finishing material, and the temperature rise of the floor temperature is calculated during the fixed time. Then, the material group of the floor finishing material is discriminated, the temperature table is selected, the temperature table information is output to the temperature control circuit, and at the same time, after a certain period of time, the output result of the sensor is used as the floor temperature information for the temperature control. It is an arithmetic circuit that outputs to the adjustment circuit.

In the above structure, the control device 17 will not be initially energized. When the energizing switch 18 is turned on, the rapid heating circuit 19 instructs the temperature adjusting circuit 20 to set the maximum temperature of the temperature table for a preset time, ignoring the instruction from the adjusting means 21. Then
The temperature control circuit 20 outputs the corresponding output to the control unit 22 after setting the floor temperature, and accordingly the control unit 22
Outputs to energize the floor heating panel which is the heating means 23. The arithmetic circuit 25 calculates the temperature rise, which is the difference between the beginning and the end of the fixed time of the bed temperature detected by the bed temperature sensor 24 with respect to the fixed time set by the rapid heating circuit 19. The arithmetic circuit 25 further determines a material group of the floor finishing material based on the calculated temperature rise by using a floor temperature rising curve using a separately prepared floor finishing material as a parameter, and a representative material of the material group. The temperature table corresponding to the heat transfer coefficient of
To perform the floor temperature setting corresponding to the room temperature set value instructed by the adjusting means 21. Based on the above floor temperature setting progress, the temperature control circuit 20 and the control unit 22 are passed and the floor heating panel, which is the heating means 23, is energized. After a lapse of a certain time set by the rapid heating circuit 19, the floor decided by the temperature table selected by the above process and the room temperature set value instructed by the adjusting means 21 until the energizing switch 18 is turned on again. Power is supplied based on the temperature setting value.

An example of the process of determining the material group of the floor finishing material based on the temperature rise result and selecting the temperature table will be described with reference to FIGS. FIG. 4 is a graph of an example of the temperature table. In the figure, the horizontal axis is the adjusting means 2
1 represents the setting scale set by 1, and the vertical axis represents the temperature control circuit 20.
Represents the bed temperature set value to be set. In the figure, A, B, and C represent respective temperature tables. For example, even if the scale set by the adjusting means 21 is “high”, if the temperature table A is selected, the adjusted temperature is 60 ° C. or higher, B If it is between 50 ° C. and 60 ° C., and if it is C between 40 ° C. and 50 ° C., the temperature adjustment is performed by the temperature table most suitable for the material of the floor finishing material 11 laid on the floor heating panel 10. Done. In FIG. 5, the heating value of the heating means 23 is 1
A graph showing a case where the temperature of the floor temperature sensor 24 changes with time when a plurality of floor finishing materials of different types are laid on the upper side when the rate is about 100 kcal / h per m ² is shown in the graph. It is a representation. 2, 3, 5
In the figure, the horizontal axis represents the time elapsed after the energizing switch 18 is turned on in minutes, and the vertical axis represents the energizing switch 18.
The temperature of the bed temperature sensor 24 before being charged is set to zero, and the value of the temperature raised thereafter is expressed in ° C. The number in the graph is the number of types of the floor finishing material 11 that were laid and tested. As shown in the figure, the temperature detected by the floor temperature sensor 24 rises with the passage of time after the energization switch 18 is turned on. The rising speed and the temperature reached after a certain period of time are laid on the floor heating panel 10. Floor finishing material 11
It depends on the material. Next, an example of an operation procedure for calculating a temperature increase value from the start of energization to a predetermined time and selecting a temperature table having the most suitable temperature adjustment range according to the calculated value will be described. If the temperature rise value before turning on the energizing switch 18 and the temperature rise value for 30 minutes after turning on are 14 ° C. or more, it is determined from the graph of FIG. 5 that tuft carpet is laid, and the typical heat transfer coefficient of the material is used. The temperature range to be set is 65 to 45 ° C, and the highest temperature table is selected. Further, assuming that the temperature before turning on the energizing switch 18 and the temperature rise value within 30 minutes after turning on are less than 14 ° C. and 10 ° C. or more, the flooring group is judged from the graph of FIG. 5, and the typical heat transfer coefficient of the material is used. The temperature control range to be set is 55 to 35 ° C., and the second highest temperature table is selected. Further, if the temperature before turning on the energizing switch 17 and the temperature rise value within 30 minutes after turning on are less than 10 ° C, it is judged as natural stone from the graph of Fig. 5, and the temperature control range set from the typical heat transfer coefficient of the material. Selects the lowest temperature table of 45 to 25 ° C. Although this case has been described with respect to the above three sections, this section can be further subdivided and selected from many temperature tables depending on the measurement accuracy measured by the arithmetic circuit 25.

If the energizing switch 18 is turned on again immediately after the previously selected temperature table has been lost due to a power failure or the like, the temperature control circuit 20 has no adjustment range set. Further, since the arithmetic circuit 25 also cannot perform control because it does not perform arithmetic, the arithmetic circuit unit 25
In FIG. 4, a temperature table of almost intermediate value, for example, the graph B in FIG. 4 is prepared in advance as a temporary temperature table, and thereby the floor temperature is adjusted and controlled provisionally, and the energizing switch 18 of the next time is operated. Make accurate selection of floor finishing materials at the time of input. As described above, the floor finishing is performed by controlling the heating to the maximum value in the temperature table regardless of the room temperature setting value, while allowing sufficient time for the difference between the floor finishing materials in the floor temperature rise curve to appear clearly. By making the difference in material appear in the minimum time, it is possible to accurately determine the floor finishing material, and it is possible to control the heating in anticipation of the difference between the floor temperature and the surface temperature of the floor finishing material. There is an effect that floor heating operates.

Next, another embodiment of the present invention will be described with reference to FIGS. 6 and 7. 6 is different from the above-described embodiment in that it is provided with a correction means 26 for performing temperature correction in the processing process of the arithmetic circuit 25. According to this configuration, the floor before the energizing switch 18 is turned on. Corresponding to the temperature detected by the temperature sensor 24, it is possible to correct the rise temperature of the floor temperature set by the rapid heating circuit 19 after a certain time, and it is possible to reduce the floor material group discrimination error. For example, in FIG. 6, when the floor finishing material 11 is a carpet, the heating value of the heating means 23 is about 100 kc per 1 m ^2.
FIG. 6 is a graph showing one example of a state in which the temperature detected by the floor temperature sensor 24 changes with time due to a difference in ambient temperature in the case of al / h. In the figure, the horizontal axis represents the time elapsed after the power switch 18 is turned on in minutes, and the vertical axis represents the floor temperature sensor 24 before the power switch 18 is turned on.
The detected temperature is set to zero, and the value of the temperature that has risen thereafter is expressed in ° C. The number of graphs is the number of measured ambient temperatures. As shown in the figure, the temperature detected by the floor temperature sensor 24 rises with the passage of time after the energizing switch 18 is turned on. The rising speed and the temperature reached after a certain period of time depend on the ambient temperature where the heating means 23 is placed. different. This is due to the difference in heat flow rate due to the temperature difference between the surface temperature of the floor finish material 11 and the ambient temperature in contact with it. In order to correct the difference generated in the floor temperature rise curve due to such a difference in ambient temperature, the rapid heating circuit 1 corresponding to the temperature detected by the floor temperature sensor 24 before the energization switch 18 is turned on.
For example, the temperature rise of the bed temperature after 30 minutes set in 9 is 0 ° C. when the ambient temperature is 0 ° C., and +2 when the ambient temperature is 20 ° C.
If correction is performed in the process of the arithmetic circuit 25, such as ° C, a floor temperature rise value specific to the floor finishing material can be obtained regardless of the ambient temperature, and thus the floor material group discrimination error can be reduced. . Since this can suppress the influence of the ambient temperature on the surface temperature of the floor finish material, there is an effect that the floor heating operates at a room temperature close to the room temperature set value.

Next, a third embodiment of the present invention will be described. 8 is different from the embodiment described above in that the temperature table selecting process of the arithmetic circuit 19 is changed by the judgment function bypass means 27 in the processing process of the arithmetic circuit 19. According to this configuration, When the temperature detected by the floor temperature sensor 24 before the energization switch 18 is turned on is higher than a preset temperature, the arithmetic circuit 19 does not determine the floor material group and does not select the temperature table.
Since the processing is performed using the same value as the previously selected temperature table, the table selection error can be prevented and the floor heating can be operated at room temperature close to the set value. That is, the energizing switch 18 is not operated for some reason while the floor heating is being used.
Turn off the switch, and turn on the power switch 1 while the floor temperature does not drop sufficiently.
When 8 is turned on again, the initial bed temperature is high, the time to reach the maximum temperature is short, and the rise temperature is small, so there may be a table selection error, but the initial bed temperature is higher than the preset temperature. When the temperature is high, the arithmetic circuit 19 does not determine the floor material group and select a new temperature table,
By using the same value as the previously selected temperature table, accurate table selection can be performed, so that there is an effect that floor heating operates at room temperature close to the set value.

[0018]

As described above, according to the floor heating system of the present invention, the following effects can be obtained. Since the floor temperature rise is clearly shown by heating the temperature table at the highest setting for a certain time after turning on the power switch, the accurate rise in the floor temperature can be measured each time the power switch is turned on. The characteristics can be grasped and the optimum temperature control range can be obtained from the temperature table according to the floor finishing material, the heat insulation performance of the lower part and the condition of the room where the floor finishing material is used. It has the effect of obtaining heat dissipation performance.

[Brief description of drawings]

FIG. 1 is a perspective partial sectional view of a room in which a floor heating system according to an embodiment of the present invention is installed.

[Figure 2] Sectional view of the floor heating system installed in a wooden house by a general conventional method

FIG. 3 is a control block diagram of the floor heating system according to the embodiment of the present invention.

FIG. 4 is a graph of an example of a temperature table.

FIG. 5 is a graph of a detected temperature rise value of a floor by the floor finishing material of the same example.

FIG. 6 is a graph of the detected temperature rise value of the floor due to the difference in ambient temperature in the same example.

FIG. 7 is a control block diagram of the floor heating system according to the second embodiment of the present invention.

FIG. 8 is a control block diagram of a floor heating system according to a third embodiment of the present invention.

FIG. 9 is a block diagram of a control device that automatically switches the temperature control range of a conventional floor heating device.

[Explanation of symbols]

 11 Floor Finishing Material 18 Energizing Switch 19 Rapid Heat Circuit 23 Heating Means 24 Floor Temperature Sensor 25 Arithmetic Circuit 27 Correcting Means 33 Bypass Means with Judgment Function

Claims (3)

[Claims] 1. A heating means provided on a floor surface, a floor temperature sensor for detecting the temperature of the heating means, and a temperature table having an optimum adjustment range for a floor finishing material are built in, and a signal from the floor temperature sensor is provided. Based on this, the floor finishing material is discriminated from the floor temperature rise value per unit time, and based on this, an arithmetic circuit that determines the optimum adjustment range from the temperature table, and a fixed time after turning on the energizing switch regardless of the adjustment temperature. A floor heating device comprising a rapid heating circuit for controlling the heating means to operate at the maximum set temperature of the temperature table. 2. The floor temperature rise value per hour is provided with correction means for correcting the floor temperature rise value according to the temperature before turning on the energizing switch and then selecting the temperature table having the optimum adjustment range from the temperature table. The floor heating system according to claim 1. 3. According to the value of the floor temperature before turning on the energizing switch,
The bypass means with a judging function for setting the selection of the temperature table to be the same as the previously set temperature table is provided.
Floor heating system described.