JPS58115229A - Temperature controller of floor heating device - Google Patents

Abstract

PURPOSE:To make it possible to obtain a comfortable heating effect at a heat collecting zone in which the user positions by enabling the user to select any of a plurality of heat collecting zones on the heat collecting floor surface by the operation of the user. CONSTITUTION:When a movable contact A1 of a changeover switch SW1 is located at the position of a fixed contact P1, a movable contact A2 of a changeover switch SW2 is opened, a movable contact A3 and a movable contact A4 are set at positions of a fixed contact P3 and a fixed contact P4, respectively, and the room temperature and the temperature at the floor heating device are low, the impedance of a thermistor TH2 becomes high and the current of a transistor Q4 flows in a large amount. Hence, the inversion input potential VR of a voltage comparator CP2 is low. The non-inversion VN of the voltage comparator CP2 is set to a predetermined value, and when VN>VR, the output of the voltage comparator CP2 becomes high, the control contact X2 of a relay coil RL2 is closed throgh a transistor Q2, and a heater H2 generates heat.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention provides temperature f6I! of floor heating devices such as electric carpets!
Regarding the I n device.

In conventional floor heating systems such as carpets, the single control method is to control the temperature of the heater using a sensor installed in the heating zone. On the other hand, if you try to make the surface that is in contact with the human body an appropriate temperature, you will have to lower the temperature setting scale, so when you set the strong scale, the room temperature will not rise. However, it had the disadvantage that it was difficult to obtain comfortable warmth during the harsh winter months.

The present invention aims to improve the comfort during heating by improving the above drawbacks, and includes: a floor heating surface comprising a plurality of heating zones each having a heater and a sensor that conventionally measures the temperature of the heater; It has a switching means that allows the user to select a heating zone, a room temperature sensor that detects the ambient temperature of the space, which is provided separately from the sensor for each heating zone, and a temperature setting circuit that allows the temperature of each heater to be manually adjusted. Another feature of the present invention is that the room temperature sensor is connected to a temperature setting circuit other than the temperature setting circuit of the heating zone selected by the user in conjunction with the heating zone selection switching means.

Hereinafter, one embodiment of the invention will be described based on the drawings. FIG. 1 shows a layout diagram in which the neck of the floor heating system is installed, and (1) is the heating surface, which has heating zones Zl and Z2.

(2) is a controller, and (3) is a room temperature sensor.

゛ Fig. 2 shows a control circuit diagram of the present invention. DCI is DC imaging, DI, D2. D3. D4 is a diode, Q, 1.
Q2. Q3゜Q4 is a transistor, CPI, CF2
is the voltage comparator, RLI.

ML2 tri relay coil, Xl, X2ij relay coil RL1゜Rb2 corresponding control contact, Vf (
1, VB2 is a variable resistor for temperature setting, R1, f (2, R3
, R4, R5, R6, R7, J (8, R9, RIO is resistance, C1, C2ij Conde 7f, Hl, R2 is heating zone Z1゜Z2G7) heater, Tnl id heating sea 7
Zl+7) Temperature sensitive material, Sl, 82 is the electrode of temperature sensitive material THI,
TR2 is the temperature sensitive material of the heating zone z2, S3. S4 is the electrode of the temperature sensitive material TH2, Rth is the room temperature sensor ((3) in Figure 1)
, SWI and SW2 are interlocking changeover switches, where the movable contact A1 of the switch SWI determines the position of the fixed contact P1, the movable contact A3 of the switch Sf2 determines the position of the fixed contact P3, and the movable contact A4 determines the position of the identification contact P4. Movable contact A2 is opened.

Figure 3 shows the configuration of the sensor that detects the temperature in the heating zone, where (4) is the core thread, (5) is the electrode wire wound on it, and (6) is the temperature sensor installed on the core thread. (7) is the electrode wire further wound around the seal, (8) is the breakage provided at the outermost part, (5) (7) is Sl in Fig. 2, 82
Still corresponds to 83, S4, (6) is THL or TR
Corresponds to 2.

FIG. 4 is a temperature-impedance characteristic diagram of the sensor shown in FIG. 3.

Next, the operation will be explained with reference to FIG. 2vc. When the 0T moving point Al of the changeover switch SWI is at the position of the fixed contact P1, the movable contact A2 of the changeover switch SW2 is open, the movable contact A3 is the fixed contact P3, and the movable contact A4 is the fixed contact P4.
The heating zone z2VC when the room temperature and the temperature of the floor heating device are at a low temperature will be explained.

Since the impedance of the temperature-sensitive material TH2 in the heating zone z2 is high, a large base current of the transistor Q4 flows, and therefore a large collector current flows, and as a result, the inverting input potential (hereinafter referred to as V) of the voltage comparator CP2 becomes low. It is in the position. The non-inverting input potential (hereinafter referred to as a light) of the voltage comparator 6CP2 is set to a predetermined value by the temperature setting variable resistor VR2, the resistor bar 4, and the resistance value.When V2+〉v; Output power turns on, transistor Q2 turns on, excitation current flows through relay coil RL2, control contact x2 of relay coil RL2 closes, and heater H
2 generates heat and heating zone z2 is heated. Due to this heating, the impedance of the temperature-sensitive material TH2 gradually decreases, so the base current of the transistor Q4 decreases, and the collector current also decreases accordingly.As a result, the magnetic potential of V; gradually increases and V;: >V:, the output of the voltage comparator CP2 becomes 1L, and the transistor Q2 turns OFF L.
The temperature of the heating zone z2 is controlled by repeating the above operation in which the rotor H2 is de-energized and stops generating heat.

('Klc, heating zone z1v will be explained in detail.When the heating zone z2 is controlled by the temperature L=l'' as described above, the impedance change of the temperature sensitive material TJ (1) is changed to the transistor Q3 using the same principle as above. When the temperature of the temperature-sensitive material THI is low, the inverted input potential (hereinafter V
When 〒) is low and the temperature of the temperature-sensitive material THE is still low, v
l- becomes high. On the other hand, the non-inverted human power level (hereinafter referred to as V+) of the voltage comparator CPI is voltage-divided by the resistor R1 and the sensor Rth for detecting room temperature, and when the room temperature is low, the magnetic potential of V is high and decreases as the room temperature rises. .

Therefore, when the room temperature is low, the output of the voltage comparator CPI becomes "Hl" and the transistor Q
, 1 are ON, the control contact X1 of the relay coil flLl is closed, and the heating zone z1 is heated. When the room temperature rises, V ; ) VT and transistors Q and 1 turn off.
L, current does not flow to relay coil RLI, control contact X
1 is open and heat generation in the heating zone z1 is stopped. If the low temperature drops, the operation of heating the heating zone will be resumed.

Next, when the movable contact A1 of the switch 5ill is at the position P2, the movable contact A2 of the switch SW2 is at the position P3, and the movable contact A3 is at the position P4, and the OT movable contact A4 is open, the heating zone z1 is set according to the same principle as above. The temperature of the heating zone z2 is controlled by room temperature to maintain an appropriate temperature.

According to the present invention, as described in item 7, the heating zone where the person using the bag is located will be at an appropriate temperature by setting the temperature, and the temperature of other heating zones will be controlled from the room temperature V, so that central heating can be achieved appropriately. At the same time, the temperature of other heating zones is controlled by E-temperature, which has the effect of saving energy. There are also ties that can be configured by simple switch operations.

[Brief explanation of drawings]

Fig. 1 shows a layout with a floor heating system installed, Fig. 2 is a control circuit diagram showing an embodiment of the present invention, Fig. 3 is a configuration diagram of a sensor for controlling the temperature of the heating zone, and Fig. 2 is a control circuit diagram showing an embodiment of the invention. Figure 4 is a temperature-impedance diagram of the same sensor. (1) ... Heating surface, (2) ... Controller, (3) (R
tyu)...Room temperature sensor, (Z], )(Z2) ,,
, Heating zone, (CJ'1) (CF2) , Voltage comparator, (VRI) (VH2,) ・Variable resistance for i degree setting, (Hl) (1i2)...Heater, (THI)
(Ti(2)...temperature-sensitive material, (Svl) (SW2)
...Switch agent Yoshihiro MoriFigure 1

Claims (1)

[Claims] 1. A floor heating surface consisting of a plurality of heating zones each having a heater and a sensor for detecting the temperature of the heater;
a switching means capable of selecting a heating zone; a room temperature sensor that is provided separately from the sensor of each heating zone to detect the ambient temperature in the space; and a temperature detection circuit that converts a change in temperature of the sensor into an electrical signal; A temperature setting circuit that adjusts the temperature of each heater, a voltage comparator that inputs and compares the voltages of the temperature setting potential of the temperature production circuit and the temperature setting circuit, and a voltage comparator that controls the heater's energization based on the output of the sleep pressure comparator. The floor heating is characterized by comprising a drive circuit section, and connecting the room temperature sensor to a temperature setting circuit other than the temperature setting circuit of the selected heating zone by moving the room temperature sensor with the heating zone selection switching means. Equipment temperature control device.