JPH0331656A - Space heater - Google Patents

Abstract

PURPOSE:To provide pleasant and comfortable environment by a method wherein from an indoor set temperature and a room temperature, a discharge airflow is determined, and the characteristic formula of a discharge airflow computing means is varied according to the temperature of a spot in the vicinity of a floor. CONSTITUTION:A floor temperature detecting means B to detect a floor surface temperature is formed of a floor temperature detector 16 consisting of a thermocouple and a device similar thereto. A loving space heating means D is formed of a fan forced heater 1. A room temperature detecting means E is formed with a room temperature detector 4 to detect the temperature of air in a living space. A set temperature computing means F is formed of a microcomputer 5, and determines the set temperature of an indoor temperature according to a floor surface temperature. A discharge airflow computing means G is formed with a microcomputer 5, and a discharge airflow is determined from a set temperature and a room temperature. A characteristic formula varying means H is formed of the microcomputer 5, and the characteristic formula of a discharge airflow computing means is varied according to the temperature of a spot in the vicinity of a floor detected by a means C to detect the temperature of a spot in the vicinity of a floor.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a heater, and particularly to a control means thereof.

[Conventional technology]

Conventionally, hot air heating systems that heat indoor air have the advantage of heating the entire room, allowing people to live their lives without worrying about heating. However, in this case, warm air rises to the top of the room, creating a temperature difference between the top and bottom of the room. f like this
By using floor heating in conjunction with A-style heating, it is possible to maintain the temperature at the feet and eliminate the difference in temperature between the top and bottom of the room.In addition, in this case, since it is a heating method using radiation, when heating only with the above-mentioned hot air heater Compared to this, it is possible to feel comfortable even when the room temperature is low, and it is possible to obtain a comfortable thermal environment where the head is cold and the feet are warm.

Next, a conventional example will be described based on the drawings.

Figure 6 of the drawings is a schematic configuration diagram of a heater disclosed in Japanese Patent Publication No. 62-1489, Figure 7 is an electric circuit diagram showing the configuration of the conventional example shown in Figure 6, and Figure 8 (a) is a diagram of this heater. Flowchart for controlling the operation of a conventional floor heating machine, FIG. 8(b)
is a flowchart for controlling the operation of this conventional warm air heater, FIG. 9 is a diagram showing the control line, FIG. 10 is a diagram of indoor vertical temperature distribution in the conventional example, and FIG. 11 is a temperature setting diagram in the conventional example. FIG. 3 is a front view showing the switch section.

In FIG. 6 of the drawing, 1 is a hot air heater 52 installed indoors to heat indoor air, a controller for the hot air heater 1, 13 is a floor heater installed on the floor, and 14 is a floor heater. There are 13 controllers. The data detected by the floor heater 13 is wirelessly transmitted to the controller 2 of the hot air heater 1.

FIG. 7 is an electric circuit diagram showing the configuration of the conventional example, in which 1 is a hot air heater, 2 is a controller for the hot air heater 1, and 3 is a power switch 54 for the hot air heater 1, which is similar to a thermistor or a sow. A room temperature detector 5 is a microcomputer equipped with a program for operating the hot air heater 1, and an input circuit 6. CPU7. It has a memory 8 and an output circuit 9. The input circuit 6 receives the output from the room temperature detector 4 and the output from the controller 14 of the floor heater 13. The hot air heater 1 is controlled by a heater control device 10 using the output from an output circuit 9.

Further, 13 is a floor heating machine, 14 is a controller for the floor heating machine 13, and 15 is a power switch thereof.

16 is a floor heating machine 1 made of something similar to a thermocouple or a stiffener.
A floor temperature detector 17 is used to detect the floor temperature at 3, and a switch section 17 allows the user to select the temperature of the floor heater 13 as shown in FIG. 18 is a microcomputer equipped with a program for operating the floor heating machine 13, and an input circuit 19. CPU20. It has a memory 21 and an output circuit 22. The output of the bed temperature detector 16 and the output of the switch section 17 are input to the input circuit 19 . The floor heating machine 13 is the output from the output circuit 22,
It is controlled by a floor heating machine control device 23. Also, a hot air heater from the output circuit 22! The output of the bed temperature detector 16 is transmitted to the controller 2 of the controller 2 .

Next, the operation of the conventional space heater will be explained with reference to FIGS. 7 to 11.

First, a control line, which is a characteristic equation of the blowout air volume calculation means (described later), will be explained. FIG. 9 is a diagram showing the control line, where the vertical axis is the room temperature and the horizontal axis is the floor temperature. Now, a person's thermal sensation is determined by the relationship between the amount of heat produced by the human body and the amount of heat released to the outside of the body. Generally, when there is a balance between the amount of heat produced and the amount of heat released, people feel comfortable, neither hot nor cold. In heating, a sense of comfort can be achieved by reducing the amount of heat radiated to the outside of the body. As the indoor air temperature increases, the amount of heat radiated from the human body decreases, allowing occupants to feel comfortable even if the floor temperature is low. Similarly, if the floor temperature is high, you can feel comfortable without having to raise the room temperature too much. In this way, people's sensations are determined by the relationship between floor temperature and room temperature. As shown in FIG. 9, the environment with the upper limit temperature Tab of the room temperature and the corresponding lower limit temperature Tff of the bed temperature and the environment with the lower limit temperature Tan of the room temperature and the corresponding upper limit temperature Tfh of the bed temperature provide the same feeling of comfort. It is thought that the line connecting these two points provides almost the same sense of comfort. A comfortable environment can be created by using this line as a control line CL and controlling the warm air heater and floor heater so that the room temperature and floor temperature are always on this line CL-t.

The operation of the heating operation in the conventional example will be explained with a focus on the set temperature calculation means using the flowcharts shown in FIGS. 8(a) and 8(b). FIG. 8(a) is a control flowchart of the floor heating machine. First, in step F101, turn on the power switch 1.
5 (FIG. 7) is turned on, operation starts. In step F102, the output from the switch section 17 is read,
The set temperature is set. Next, in step F103, the bed temperature detector 16 detects the floor fgTfn. Step F
If it is the transmission timing to the hot air heater 1 in step F104, the floor temperature Tfn is transmitted to the hot air heater 1 in step F105. If the floor temperature does not exceed the set temperature in step F106, the process proceeds to step F107, in which the floor heating machine 13 is operated by the floor heating machine control unit M23 (Fig. 7), and the floor temperature is set in step F106. If the temperature exceeds the temperature, the floor heater control device 23 stops the operation of the floor heater 13 in step F108. And step F1
07. F108 returns to second step Fl 02. In this way, while transmitting the floor temperature to the warm air heater 1, the floor heater 13 is operated so that the floor temperature is controlled to be close to the set temperature.

The control flowchart of the warm air heater 1 is shown in FIG. 8(b).
Shown below. In FIG. 8(b), step F20! When the power switch 3 (FIG. 7) is turned on, operation starts. In step F202, the floor temperature Tfn from the floor heater 13 is
and receives the room temperature T from the room temperature detector 4 in step F2O3.
an is detected. Step F204 is the operation of the set temperature calculation means, and as shown in FIG. 9, the room temperature set temperature Tas is calculated from the received floor temperature Tfn using the control line CL. If the room temperature Tan does not exceed the set temperature Tas in step F2O3, the warm air heater 1 is operated by the heater control device 10 (FIG. 7) in step F206, and in step F2O3, the room temperature Tan reaches the room temperature set temperature Tas. If it exceeds , the hot air heater 1 is stopped in step F207. In this way, the operation of the warm air heater 1 is controlled so that the room temperature is controlled to be close to the set temperature.

As described above, the hot air heater 1 receives the floor temperature status from the floor heater 13 and uses the set temperature calculation means to calculate the set temperature of the room temperature using the control line CL according to the floor temperature, so that the room temperature is always kept at a constant temperature. Control is performed to maintain the floor temperature near the control line.

[Problem to be solved by the invention]

As described above, in the conventional example, it is possible to perform heating by combining the advantages of the hot air heater and the floor heating machine and compensating for each other's problems.

FIG. 10 shows the vertical temperature distribution inside the room when the outside air temperature is high and when the outside air temperature is low in the conventional heating system. As shown in the distribution in the figure, there is a problem that the temperature near the floor is difficult to rise when the outside temperature is low.
There is also the problem that the temperature near the floor may be higher than the room temperature (distribution C) depending on conditions such as the temperature of the floor heater being high and the floor being well insulated. A person's thermal sensation is greatly affected by the temperature at their feet; even if the temperature at the top of the room is the same, if the temperature near the floor is low, people will feel cold, and if it is high, they will feel warm. From this, it can be said that it is important to fully consider the temperature near the floor and perform environmental control that corresponds to human senses.

This invention was made to solve the above-mentioned problems, and when there is a large temperature difference between the room temperature and the set temperature, the amount of air blown is increased, quickly warming the room, and at the same time making the occupants conscious of the hot air. and a blowout air volume calculation means that reduces the blowout air volume when the room is sufficiently warmed and the temperature difference is small to prevent the occupant from feeling a draft (gap M); A blowout air volume calculation means detects the temperature near the floor, which has the greatest effect on a person's thermal sensation, and reduces the air volume when the temperature near the floor is above a certain temperature, and increases the air volume when the temperature is below a certain temperature. The objective is to change the characteristic equation to obtain a heater that provides a comfortable and cozy environment that corresponds to the thermal sensations felt by residents.

[Means to solve the problem]

For this reason, in the present invention, a floor heating system having a floor heating means for heating the floor surface, a floor temperature detection means for detecting the floor surface temperature, and a near-floor temperature detection means for detecting the air temperature near the floor surface is provided. a living space heating means for heating the living space, a room temperature detecting means for detecting the air temperature of the living space, a set temperature calculating means for determining a set temperature of the indoor temperature according to the floor surface temperature, and the setting temperature. A hot air heater having a blowout air volume calculation means that determines the blowout air volume from the temperature and the room temperature,
The above object is achieved by a heater comprising a characteristic expression changing means for changing the characteristic expression of the blowout air volume calculating means in accordance with the near-floor temperature detected by the near-floor temperature detecting means. It is.

(Function) The floor heating device of the heater according to the present invention heats the floor surface with the floor heating means, detects the floor surface temperature with the floor temperature detection means, and detects the air temperature near the floor surface with the near-floor temperature detection means. The hot air heater also heats the living space with the living space heating means,
The room temperature detection means detects the air temperature in the living space, the set temperature calculation means determines the set temperature of the room according to the floor surface temperature, and the blowout air volume calculation means calculates the blowout air volume from the set temperature and the room temperature. and the characteristic equation changing means changes the characteristic equation of the blowout air volume calculating means in accordance with the near-floor temperature detected by the near-floor temperature detecting means.

(Example) Hereinafter, one embodiment of the present invention will be described based on the drawings.

Figure 1 is a schematic configuration diagram of a heating machine that is an embodiment of the present invention, Figure 2 is an electric circuit diagram of this embodiment, and Figure 3 (a)
is a flowchart for controlling the operation of the floor heating machine of this embodiment, FIG. 3(b) is a flowchart for controlling the operation of the hot air heater of this embodiment, and FIG. 4 is a diagram showing the characteristic equation change range. , FIG. 5 is a diagram showing the characteristic equation changing means of this embodiment.

In FIGS. 1 and 2 of the drawings, the same or equivalent components as those in the conventional example are represented by the same reference numerals, and some of the explanations will be repeated.

A is a floor heating means for heating the floor surface, and is a floor heater 13.
It consists of Reference numeral B denotes a bed temperature detection means for detecting the floor surface temperature, which is composed of a bed temperature detector 16 made of a thermocouple or something similar. Reference numeral C denotes a near-floor temperature detection means for detecting the air temperature near the floor surface, and is composed of a near-floor temperature detector 24 made of a thermistor or something similar. D is a living space heating means for heating the living space, and is composed of a hot air heater 1. Reference numeral E denotes room temperature detection means, which is composed of a room temperature detector 4 that detects the air temperature in the living space. F is a set temperature calculation means,
It is composed of a microcomputer 5, and is means for determining the set temperature of the room according to the floor surface temperature. Reference numeral G denotes a blowout air volume calculation means, which is composed of a microcomputer 5 and is a means for determining the blowout air volume from the set temperature and the room temperature.

H is a characteristic expression changing means, which is composed of a microcomputer 5, and is a means for changing the characteristic expression of the blowout air volume calculating means in accordance with the near-floor temperature detected by the near-floor temperature detecting means C (details will be described later). .

Reference numeral 17 denotes a switch section which is provided with a switch for the user to select the temperature of the floor heating machine, which is found in a conventional floor heating machine, and a switch for selecting whether to enter the control mode of this embodiment. . 5 is a microcomputer for a warm air warmer equipped with a means for changing the characteristic equation of the blowout air volume calculation means according to the present invention, as described above, and an input circuit 6
゜CPU7. Memory 8. It has an output circuit 9.

Further, the blowout air volume control device 11 controls the blowout air volume of the warm air heater 1 based on the output from the output circuit 9.

The output from the near-floor temperature detector 24 is input to the input circuit 19 of the floor heating machine, and is transmitted from the output circuit 22 to the controller 2 of the hot air heater 1. In addition, in FIG. 4 of the drawing, the horizontal axis is the temperature near the floor, and the vertical axis is the change width of the air volume characteristic equation (hereinafter referred to as air volume characteristic equation or characteristic equation) of the outlet air volume calculation means,
W is a characteristic line showing the change width characteristic with respect to the temperature near the floor. For example, when the temperature near the bed is Tml, the characteristic equation change width Ml is determined from the characteristic line W.

In FIG. 5, the horizontal axis shows the 1M degree difference between the room temperature and the set temperature, and the vertical axis shows the blowout air volume. The characteristic equation changing means H for changing the M quantity characteristic equation 1 to the air volume characteristic equation 2 will now be described.

Next, the operation of this embodiment is shown in FIGS. 3(a) and 3(b).
This will be explained using FIGS. 4 and 5.

FIG. 3(a) is a flowchart for controlling the operation of the floor heating machine. First, in step F301, when the power switch 15 is turned on, operation is started.

In step F302, the set temperature of the floor heating machine and the input to the control mode switch for changing the characteristic equation of the set temperature calculation means according to the present invention are read from the switch section 17, and the set temperature is set. Next, in step F303, the bed temperature detector! 6 (Fig. 2), the bed temperature Tfn is detected, and the bed temperature Tm is detected from the bed temperature detector 24 in step F304.
l is detected. If it is the transmission timing to the warm air heater 1 in step F305, the floor temperature Tfn, the near-floor temperature Tml, and the control mode are transmitted to the warm air heater 1 in step F306. If the floor temperature does not exceed the set temperature in step F307, the floor heating machine control device 2
3, the floor heating machine 13 is operated, and step F307
If the floor temperature is higher than the set temperature, the operation of the floor heater 13 is stopped by the floor heater controller 23 in step F309. In this way, while transmitting the floor temperature and the temperature near the floor to the warm air heater 1, the floor heater 13 is operated so that the floor temperature is controlled to be near the set temperature.

On the other hand, FIG. 3(b) is a control flowchart including a characteristic expression changing means for changing the characteristic expression of the blowout air volume calculating means of the warm air heater 1. In FIG. 3(b) of the drawing, when the power switch 3 (FIG. 2) is turned on in step F401, operation is started. In step F402, the floor temperature Tfn, near-floor temperature Tml, and control mode are received from the floor heater 13, and in step F403, the room temperature Ta is received from the room temperature detector 4.
n is detected. In step F404, a set temperature of the room temperature is set based on the detected bed temperature according to the control line shown in FIG. If the room temperature does not exceed the set temperature in step F405, the process advances to step F406. If the control mode is turned on in step F406, the fourth control mode is turned on in step F407.
As shown in the figure, the change width M1 of the characteristic equation of the blowout air volume calculation means is determined from the received near-floor temperature Tml, and step F
At step 408, as shown in the "airflow characteristic equation 2" of the characteristic equations of the outlet airflow calculation means in FIG.
-Ml, Am1n+Ml) and (Tmax-Ml, Ama
Control line (airflow characteristic formula 1) at the position where x+M1) is connected
change. Next, in step F409, as shown in FIG. driving. If the room temperature exceeds the set temperature in step F405, step F4
At step 11, the operation of the warm air heater 1 is stopped. In this way, while controlling the air volume based on the temperature difference between the room temperature and the set temperature and the temperature near the floor, control is performed so that the room temperature and floor temperature are always maintained close to the above control line.

The heater according to the present invention is applicable not only to the heater of the above-mentioned embodiment, but also to any type of heater that can adjust the indoor air temperature to a desired temperature or its vicinity by turning on/off other devices or varying the heating capacity. Wind heater and floor temperature are heated,
This can be done in combination with any floor heating system that can adjust the floor surface temperature to or near the desired temperature by turning the device on and off, or by varying the heating capacity.

Further, in this embodiment, data was transmitted between the heater and the floor heating machine wirelessly, but it can be done in the same way even if it is wired.

〔Effect of the invention〕

As described above, according to the present invention, when there is a large temperature difference between the room temperature and the set temperature, the air volume is increased to quickly warm the room, and at the same time, the occupants are conscious of the warm air and feel warm. , has a blowout air volume calculation means that reduces the blowout air volume when the room is sufficiently warmed and the temperature difference is small, so as not to give the occupants a draft feeling, which has the greatest effect on the thermal sensation of people. The temperature near the floor is detected, and the characteristic equation of the blowout air volume calculation means is changed so that the air volume decreases when the temperature near the floor exceeds a certain temperature, and increases when the temperature falls below a certain level. It has the effect of providing a comfortable and cozy environment that corresponds to the thermal sensations felt by people.

[Brief explanation of drawings]

Fig. 1 is a schematic configuration diagram of a heating machine according to an embodiment of the present invention, Fig. 2 is an electric circuit diagram of this embodiment, and Fig. 3 (a) shows the control of the operation of the floor heating machine of this embodiment. FIG. 3(b) is a flowchart for controlling the operation of the warm air heater of this embodiment, FIG. 4 is a diagram showing the characteristic equation change range,
FIG. 5 is a diagram showing the characteristic equation changing means of this embodiment, FIG. 6 is a schematic configuration diagram of a conventional heater, FIG. 7 is an electric circuit diagram showing the configuration of the conventional example of FIG. 6, and FIG. Figure (a) is a flowchart for controlling the operation of this conventional floor heating machine, and Figure 8 (
b) is a flowchart for controlling the operation of this conventional warm air heater, Fig. 9 is a diagram showing the control line, Fig. 10 is an indoor temperature distribution diagram of the conventional example, and Fig. 11 is the temperature setting of the conventional example. FIG. A・----Floor surface heating means B・・・−Floor temperature detection means C・・・−Floor vicinity temperature detection means D −−− Living space heating means E・・・・−Room temperature detection means F −− --Setting temperature calculation means G...-Blowout M amount calculation means H---Characteristic formula changing means! -------Hot air heater unit, top 4---Controller 5.18--Microcomputer 10--Heating machine control device 11--Blowout air volume control device 13--Floor heating machine 23- --Single floor heating machine control device. In the figures, the same symbols indicate the same or equivalent parts.

Claims (1)

[Scope of Claims] A floor heating machine having a floor heating means for heating the floor surface, a floor temperature detection means for detecting the floor surface temperature, and a near-floor temperature detection means for detecting the air temperature near the floor surface. , a living space heating means for heating the living space, a room temperature detecting means for detecting the air temperature of the living space, and a set temperature calculating means for determining a set indoor temperature according to the floor surface temperature;
a hot air heater having a blowout air volume calculation means that determines a blowout air volume from the set temperature and the room temperature; A heating machine characterized by comprising a characteristic expression changing means for changing a characteristic expression.