JP2000337644A - Hot water floor heating device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform comfortable heating suitable to application, such as rest, sleep, and heating, in a hot water floor heating device to perform heating by a radiant heat. SOLUTION: This device comprises a body 4 incorporating a heat source 1 to heat and effect heat insulation of circulation water, a pump 2 to circulate hot water, and a control part 3 to control operation of the heat source 1 and the pump 2; a mat or a carpet 6 to perform heating through circulation of hot water; and a connector 5 to removably interconnect the body 4 and the mat or the carpet 6. The connector 5 has a means to discriminate mat connection and carpet connection from each other. The mat 4 is provided with a means to automatically vary a temperature control range and a temperature regulation distance to a mode suitable to respective application according to discrimination of mat connection and the carpet connection.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hot water floor heating apparatus of the type in which warm water is circulated through a mat or a carpet having a hot water circulation path installed on a floor surface to perform heating.

[0002]

2. Description of the Related Art In recent years, various types of hot water floor heating devices have been proposed for the purpose of performing comfortable heating by radiant heat generated by floor heating. The following is the actual opening 63-9
A conventional hot water floor heating device will be described with reference to a hot water heating mat described in Japanese Patent No. 2119.

FIG. 4 is an overall configuration diagram of a conventional hot water floor heating device. This hot water floor heating device includes a mat 6 having a hot water circulation path through which hot water circulates as shown in FIG. The main body 4 includes an electric water heater (not shown) for obtaining hot water to be supplied, and a pump for circulating water of the electric water heater through the hot water circulation path.

The operation of the conventional hot water heating mat constructed as described above will be described below. The hot water heated by the electric water heater in the main body 4 is supplied to the suction port of the hot water circulation path of the mat 6 by the pump in the main body 4.
The supplied hot water radiates heat during circulation in the hot water circulation path, is discharged from the discharge port, and returns to the main body 4. The cooled hot water is heated again to the set temperature by the electric water heater in the main body 4 and supplied to the suction port of the hot water circulation path of the mat 6. By repeating this operation, hot water of a constant temperature circulates in the hot water circulation path of the mat 6 to perform floor heating.

[0005]

However, in the configuration of the above-mentioned conventional hot water floor heating apparatus, since the purpose of the local heating by the mat 6 is, the set temperature range and the temperature adjustment interval are wide, so that the rest or the rest on the mat 6 is required. When sleeping, there was a problem that a low-temperature burn could be caused.

SUMMARY OF THE INVENTION [0006] In view of the above-mentioned conventional problems, it is an object of the present invention to provide a hot water floor heating device capable of comfortable rest and sleep on a mat and comfortable heating with a carpet.

[0007]

In order to achieve the above object, the present invention comprises two types of mats for rest and sleep and a carpet for heating, and a connector between the main body and the mat or the carpet for heating. A hot water floor heating device is configured to detect connection and automatically change a set temperature range and a temperature adjustment interval of a connected mat or heating carpet.

According to the present invention, it is possible to realize a hot-water floor heating device that enables comfortable rest and sleep on a mat and can comfortably heat with a carpet.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention according to claim 1 of the present invention provides a heat source for heating and keeping circulating water, a pump for circulating hot water, a main body including a control unit for controlling the operation of the heat source and the pump, A mat or carpet for performing floor heating by circulation, and a connector for detachably connecting the main body and the mat or carpet, the connector having means for determining when the mat is connected and when the carpet is connected, A hot-water floor heating device having a control means for automatically changing a temperature control range and a temperature adjustment interval according to the discrimination between the mat connection and the carpet connection, enabling a comfortable rest and bed on the mat and a carpet. It has the effect of enabling comfortable heating in the room.

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

(Embodiment 1) FIG. 1 is an overall configuration diagram of a hot water floor heating device according to a first embodiment of the present invention, and FIG. 2 is a main body and a mat (or carpet) in the same hot water floor heating device.
And FIG. 3 is a configuration diagram of a connection detection circuit and a temperature detection circuit in the same hot water floor heating device. Note that the same components as those in the prior art in FIG. 4 are denoted by the same reference numerals as in FIG.

As shown in FIG. 1, a hot water floor heating apparatus according to the first embodiment has a main body 4 and a mat (or carpet) 6.
The main body 4 comprises a heat source 1 for heating circulating water.
A pump 2 for circulating hot water between the main body 4 and the mat (or carpet) 6; a control unit 3 for controlling the operation of the heat source 1 and the pump 2; The mat (or carpet) 6 has a hot water circulation path through which hot water circulates.

The main body 4 and a mat (or carpet)
As shown in FIG. 2, a connecting portion for connecting the discharge port and the suction port 6 uses a plug-type mat connector 7 and a carpet connector 8, and these mat connectors are used. 7. The mating switch contact 9 for detecting the connection of the mat connector 7 and the carpet for detecting the connection of the carpet connector 8 are connected to the connector on the side receiving the insertion of the carpet connector 8. A switch contact 10 is provided. Each of the mat connector 7 and the carpet connector 8 is provided with a pin 11 for conducting a switch contact when connected.

As shown in FIG. 3, the connection detecting circuit and the temperature detecting circuit of the control unit 3 in the main body 4 include a thermistor 12 for detecting a hot water temperature, which is installed in a piping section inside the main body 4, a voltage follower and a differential. Operational amplifier 1 that constitutes an amplifier
3a and 13b, a voltage dividing resistor 15a for converting a change in resistance value of the thermistor 12 into a voltage, a voltage dividing resistor 15b for setting a reference voltage of the operational amplifier 13b, another resistor 15c, and connection of a mat or a carpet. Switch contact 9 for car mat and switch contact 1 for carpet
The microcomputer 14 controls the operation of the heat source 1 and the pump 2 in response to 0 and a circuit input.

Next, the operation of the hot water floor heating device of the first embodiment will be described below. First, in FIG.
The hot water heated by the heat source 1 in the main body 4 is supplied by a pump 2 in the main body 4 to an inlet of a hot water circulation path of a mat (or carpet) 6. The supplied hot water radiates heat during circulation in the hot water circulation path, is discharged from the discharge port, and returns to the main body 4. The cooled hot water is heated again to the set temperature by the heat source 1 in the main body 4 and is heated to a mat (or carpet).
6 is supplied to the suction port of the hot water circuit. By repeating this operation, hot water of a constant temperature circulates through the hot water circulation path of the mat (or carpet) 6 to perform floor heating.

Here, when the mat connector 7 shown in FIG. 2 is connected to the main body 4, the pins 11 of the mat connector 7 conduct the mat switch contacts 9 provided on the main body 4. When the carpet connector 8 is connected to the main body 4, the pins 11 of the mat connector 7 make the carpet switch contacts 10 installed on the main body 4 conductive. Therefore, the conduction state between the mat switch contact 9 and the carpet switch contact 10 is detected, and it is possible to determine which of the mat and the carpet is connected.

More specifically, according to the circuit configuration of FIG. 3, when the mat is connected, the mat switch contact 9 is turned on, and the input voltage of the digital input port D0 of the microcomputer 14 changes from low to high. And the voltage divided by the thermistor 12 and the resistor 15a and the voltage divided by the voltage dividing resistor 15b are impedance-converted by the voltage follower 13a, and then the differential amplifier 13b The output voltage of the differential amplifier 13b is monitored by the analog input port AN0 of the microcomputer 14, and the heat source 1 is controlled according to the set temperature to keep the water temperature constant. Here, the thermistor 1 is connected to the analog input port AN0 of the microcomputer 14.
2, the voltage divided by the resistor 15a and the voltage dividing resistor 15b
Since the operation amplification output with the voltage divided by is applied,
Since a voltage change with respect to a temperature change can be increased, a temperature change in a narrow range can be detected. In the present embodiment, the temperature control range is set to 35 ° C. to 40 ° C., and the temperature control interval is set to 0.5 ° C. in consideration of resting and sleeping on the mat. Next, when the carpet is connected, the carpet switch contact 10 is turned on, and the input voltage of the digital input port D1 of the microcomputer 14 changes from low to high. Therefore, the microcomputer 14 determines that the carpet is connected, The voltage divided by the thermistor 12 and the resistor 15a is applied to an analog input port AN of the microcomputer 14.
At 1, the water temperature is kept constant by controlling the heat source 1 according to the set temperature. Here, since the potential divided by the thermistor 12 and the resistor 15a is directly applied to the analog input port AN1 of the microcomputer 14, the voltage change with respect to the temperature change can be reduced. Can be. In the present embodiment, in consideration of heating on the carpet, the temperature control range is set to 35 ° C. to 65 ° C., and the temperature control interval is set to 3 ° C.

As described above, the hot water floor heating device according to the first embodiment can automatically determine the connection between the mat and the carpet, and set the respective set temperature ranges and the temperature adjustment intervals to the optimum values. .

[0019]

As is apparent from the above description, according to the present invention, the connection between the mat for rest / sleep and the carpet for heating is automatically determined, and the respective set temperature ranges and the temperature adjustment intervals are determined. It is possible to provide a hot-water floor heating device that can be varied to enable a comfortable resting and sleeping at a comfortable temperature and provide comfortable heating.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram of a hot water floor heating device according to a first embodiment of the present invention.

FIG. 2 is a detailed configuration diagram of a connection portion that connects a main body and a discharge port / suction port of a mat (or a carpet) in the hot water floor heating device.

FIG. 3 is a configuration diagram of a connection detection circuit and a temperature detection circuit in the hot water floor heating device.

FIG. 4 is an overall configuration diagram of a conventional hot water floor heating device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Heat source 2 Pump 3 Control part 4 Main body 5 Connector 6 Mat (or carpet) 7 Connector for mat 8 Connector for carpet 9 Switch contact for mat 10 Switch contact for carpet 11 Pin 12 Thermistor 13a Operational amplifier 13b Operational amplifier 14 Microcomputer 15a resistor 15b resistor 15c resistor

Claims (1)

[Claims] 1. A body having a heat source for heating and maintaining circulating water, a pump for circulating hot water, a control unit for controlling the operation of the heat source and the pump, a mat or carpet for performing floor heating by circulating hot water, a body and a mat. Or has a connector for detachably connecting the carpet, the connector has means for determining when mat connection and carpet connection,
A hot-water floor heating device, characterized in that the main body has a control means for automatically changing a temperature control range and a temperature adjustment interval in accordance with the discrimination between the mat connection and the carpet connection.