JPH01291058A - Heater device - Google Patents

Abstract

PURPOSE:To provide the most suitable environment which is the most preference of a dwelling person without feeling any variation in environment when a temperature of surrounding atmosphere is varied or when a feeling state is inputted by a method wherein a control device including means for determining a heating capability, means for performing a high air speed operation, means for performing a low air speed operation and means for varying a first set temperature and a second set temperature is provided. CONSTITUTION:A micro-computer 10 has means for determining a temperature to be set, means for determining an amount of air to be fed and means for determining a blowing area. A temperature difference DELTATU between a first detected temperature TU and a first set temperature TUC which are temperatures at an upper part in a room is calculated and a heating capability is determined and a heater device is operated. Another difference in temperature DELTATL between a second detected temperature TL and a second set temperature TLC which are temperatures at a lower part in a room is calculated, a positive value and a negative value of this difference in temperature are discriminated. When the second detected temperature TL is higher than the second set temperature TLC, a blowing area is widened to decrease an amount of blowing air so as to perform a low air speed operation. In turn, when the second detected temperature TL is lower than the second set temperature TLC, the blowing area is narrowed at a step S016 and then a high air speed operation is carried out while an amount of air is increased.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an improvement in a room temperature control device for a forced convection heater.

[Prior Art] Room temperature control of a typical heater is often performed using a single temperature detector installed inside the heater. This will be explained with reference to FIG.

FIG. 9 is an electrical circuit diagram of a room temperature control section of a conventional heater. In the figure, 1 is the heater, 2 is the operation switch, 3 is the combustion part of the heater 1, 4 is a blower attached to the back of the heater 1 and circulates hot air, and 5 is a thermistor, etc. that detects the indoor temperature. 7 is an A/D (analog/digital) converter that converts the resistance value of the temperature detection element 5 into a digital value, and 9 is a plurality of switch sections representing thermal sensation, as shown in FIG. "When it's cold" switch 19, "comfort" switch 20, "when it's hot" switch 2
It is composed of 1. Reference numeral 10 denotes a microcomputer having a set temperature determining means and an air blowing amount determining means, and includes an input circuit 11, a CPU 12, a memory 13, and an output circuit 14. The input circuit 11 includes an input of the switch unit 9 and
Room temperature is input via the A/D converter 7. Output circuit 1
4, the heating capacity control device 15 controls the combustion unit 3 (hereinafter referred to as heating capacity) of the heater 1, and the same signal from the output circuit 14 causes the blower control device 16 to control the combustion unit 3 of the heater 1.
The amount of air (rotation speed) of the blower 4 is controlled.

Next, the operation of the heater will be explained using FIG. 10.

FIG. 10 is a flowchart 1 containing a program stored in the memory 13 of the microcomputer 10 to determine the set temperature, heating capacity, and air flow rate.

First, when the operation switch 2 is turned on, the flow shown in FIG. 10 starts. In step 5101, the room temperature Tr detected by the temperature detection element 5 is input, and in step 5102
Check the presence or absence of sensory input by the thermal sensation switch section 9,
If there is a sensory input, the process advances to step 8103. Steps 8103 to 5106 are a flow for determining the set temperature, and if there is no sensory input in step 5102, this flow is skipped, and step 510
Proceed to the flow from step 7 as a means of determining heating capacity and air flow. If it is determined that it is "cold" by the sensory input in step 8103, the set temperature is changed to the current room temperature T in step 5104.
A new set temperature Tc is determined by raising r by a degree, for example, 2 degrees Celsius. Similarly, if the sensory input in step 8103 determines that it is hot, then in step 5106 the set temperature is lowered by a degree based on the current room temperature Tr, and a new set temperature Tc is determined. If the input is determined to be "comfortable", the set temperature is made equal to the room temperature Tr in step 5105, and a new set temperature Tc is determined. In step 5107, the temperature difference ΔT between the new set temperature Tc and the room aTr is calculated, the heating capacity is calculated in step 5108, and the heating capacity is calculated in step 510.
In step 9, each air flow amount is determined and operation is performed. The heating capacity is
It is determined to be roughly proportional to the temperature difference between the new set temperature and the room temperature, and when the room temperature becomes higher than the set temperature, the heater 1 is turned off and the room temperature is controlled to be equal to the set temperature. The amount of air blown is determined in proportion to the heating capacity as shown in FIG. When the room temperature approaches the set temperature, the amount of air blown is controlled to decrease. This can be thought of as minimizing the feeling of airflow in the room, and also keeping the blowing temperature constant. This allows the environment to be controlled so that the set temperature and room temperature are equal while changing heating capacity and air flow.

[Problem to be solved by the invention] Conventional heaters receive the user's sensory input as described above, and then change the set temperature and control the room temperature by changing the heating capacity and air flow rate. Ta. The purpose of using a heater is to make people living indoors comfortable.

The sensation of a person living indoors is largely determined by the temperature at their feet and the temperature at their head. Due to the difference in the specific weight of air, the upper and lower temperature distribution inside the room of the heater is such that the temperature at the top is high and the temperature at the bottom and floor surface is low. This vertical temperature distribution is determined by the stirring force generated by the air blowing from the heater. That is, as the amount of air blown increases, the vertical temperature distribution becomes smaller, and as the amount of air blown decreases, the vertical temperature distribution increases. Furthermore, the vertical temperature distribution is influenced by the outside temperature.

That is, as the outside air temperature increases, the vertical temperature distribution becomes smaller, and as the outside air temperature decreases, the vertical temperature distribution increases.

However, the amount of air blown by conventional heaters depends on the heating capacity.
In other words, since the temperature is determined depending on the temperature difference between the room temperature and the set temperature, the temperature is controlled without regard to the temperature difference between the top and bottom, which has the greatest impact on human sensation. For this reason, when the outside temperature changes, or when the amount of air blown changes during sensory input or due to a change in room temperature, the occupants feel a change in the environment and feel uncomfortable.

The present invention was made to solve the above-mentioned problems, and it is possible to create an optimal environment that suits the tastes of the occupants without feeling any changes in the environment when the outside temperature changes or when inputting sensory information. The purpose is to obtain a heater that can.

[Means for Solving the Problems] In claim 1, the heater according to the present invention includes a first temperature at the upper part of the heater so as to detect the vertical temperature distribution in the room that correlates with the thermal sensation of the occupant. A detection element and a second temperature detection element are attached to the lower part, respectively, and a switch section is provided as a means for inputting thermal sensations such as "when it's hot" or "when it's cold", and the input from the switch section and the two temperatures are a set temperature determining means that determines two set temperatures based on the detected temperature of the detection element; a heating capacity determining means that determines the heating capacity based on the difference between the detected temperature of the upper (first) temperature detecting element and the set temperature; 2) A control device comprising a blowing amount determining means for determining the blowing amount and a blowing area determining means for determining the blowing area based on the difference between the temperature detected by the temperature detection element and the set temperature; , Contrary to the above, the first temperature detection element is attached to the lower part of the heater, the second temperature detection element is attached to the upper part of the heater, and thermal sensation input means such as "when it is hot" and "when it is cold" to express the thermal sensation. a set temperature determining means for determining two set temperatures based on an input from the switch part and temperatures detected by the two temperature detecting elements; Heating capacity determining means that determines the heating capacity based on the difference in temperature; Air volume determining means that determines the air volume based on the difference between the detected temperature of the upper (second) temperature detection element and the set temperature; and the air blowing area that determines the blowing area. The control device includes a determining means.

[Function] The heater according to the present invention controls the heating capacity to a first set temperature that defines the temperature of the upper or lower part of the room using the first temperature detection element attached to the upper or lower part of the heater, A second temperature detection element attached to the bottom or top of the heater controls the air flow rate and blowout area so that the second set temperature that defines the temperature at the bottom or top of the room is reached, and also controls whether it is "hot" or "cold". By changing and determining the set temperature of the above two temperature detection elements at the time of sensory input,
To create a comfortable environment that suits residents' tastes and does not make them feel any changes in the environment.

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

FIG. 1 is an electric circuit diagram showing an embodiment of the present invention, FIG. 2 is a flowchart showing a control method, FIG. 3 is a sectional view of the heater, and FIG. 4 is a characteristic diagram of air blowing.

Further, the thermal sensation switch section is the same as that shown in FIG. 12. In FIG. 1, 1 is a heater, 2 is an operation switch, 3 is a combustion part of the heater 1, 4 is a blower that is attached to the back of the heater 1 and circulates hot air, and 5 is a thermistor, etc. A first temperature detection element 6 is a thermistor, etc., and is attached to the bottom of the heater 1 to detect the air temperature near the bottom of the heater 1. This is the second temperature detection element.

By installing the first temperature detecting element 5 at 300 degrees or more from the floor surface, the temperature detected by the first temperature detecting element 5 is correlated with the temperature at the upper part of the room. We have confirmed through detailed measurements that the temperature detected by the second temperature detection element 6 is correlated with the temperature near the floor at the bottom of the room by installing it in the range of 30 to 150 cm from the first temperature detection element 6. The temperature detected by the element 5 can be said to be the temperature in the upper part of the room, and the temperature detected by the second temperature detection element 6 can be said to be the temperature in the lower part of the room. 7 is an A/D (analog/digital) converter that converts the resistance value of the first temperature detection element 5 into a digital value, and 8 is an A/D converter that converts the resistance value of the second temperature detection element 6 into a digital value. The device 9 is a plurality of switch sections representing thermal sensations, as shown in FIG.
It is composed of a switch 21. 10 is a microphone computer having a set temperature determining means, an air blowing amount determining means, and a blowing area determining means; an input circuit 11; a CPU 12;
It has a memory 13 and an output circuit 14. Input circuit 11
The input from the switch section 9, the temperature at the upper part of the room via the A/D converter 7, and the temperature at the lower part of the room via the A/D converter 8 are input to the input section 9.

Based on the signal from the output circuit 14, the heating capacity control device 15 controls the heating capacity. Similarly, based on the signal from the output circuit 14, the blower control device 16 controls the air flow rate (rotation speed) of the blower 4 of the heater 1. A blowout area control device 17 controls a blowout area variable device 18 attached to the blowout port of the heater 1 based on a signal from the output circuit 14 .

Next, the operation of the above embodiment will be explained using FIG. 2. FIG. 2 is a flowchart including a program stored in the memory 13 of the microcomputer 10 for determining the set temperature, heating capacity, air blowing amount, and blowing area.

First, when the operation switch 2 is turned on, the flow shown in FIG. 2 starts. In step 5001, the temperature Tut of the upper part of the heater 1 is detected by the first temperature detection element 5, and in step 5002, the temperature TL of the lower part of the heater 1 is detected by the second temperature detection element 6. Furthermore, step 500
In step 3, the presence or absence of sensory input is checked, and if there is sensory input, the process advances to step 5004. Steps 5004 to 5010 are the flow as a set temperature determining means,
If there is no sensory input in step 8003, this flow is skipped and the flow proceeds to step 5011 as a means for determining heating capacity, air blowing amount, and blowing area. In step 5004, the type of sensory input is determined, and if the sensory input is "when it is cold", in step 5005, the first set temperature is increased by a degree, for example, 2 degrees Celsius, based on the first detected temperature TO at that time, and the temperature is simplified. 1. Determine the set temperature TUC. Step 50
In 06, the second set temperature is changed to the first set temperature TLIC at that time.
From the temperature difference between the old first set temperature and the old second set temperature, the second set temperature TLC is determined. When the sensory input is "comfortable", the first detected temperature TO at that time is determined in step 5007.
Determine the Simplified 1 set temperature TUC which is equal to . Step 5
In 008, determine the second set temperature TLC that is equal to the second detected temperature TL at that time, and set the new temperature difference between the first set temperature and the second set temperature to be equal to the difference between the old first set temperature and the old second set temperature. Set. When the sensory input is "when it's hot," in step 5009, the first set temperature is lowered by a degree, for example, 2 degrees Celsius, based on the first detected temperature TU at that time, and the first set temperature TUG is determined. In step 5 QLO, set the second set temperature by dividing the temperature difference between the current first set temperature TUC, the old first set temperature and the old second set temperature, and then set the second set temperature TL.
Determine C. In step 5011, the temperature difference ΔT between the first detected temperature Tυ, which is the temperature of the upper part of the room, and the first set temperature TUC.
O is calculated, and in step 5O12, the heating capacity is determined and the operation is started. In step 501B, a temperature difference ΔTL between the second detected temperature TL, which is the temperature at the lower part of the room, and the second set temperature TLC is calculated, and in step 5014, it is determined whether this temperature difference is positive or negative, and the second detected temperature TL is the second set temperature. When higher than TLC,
In step 5O15, low wind speed operation is performed in which the blowing area is widened and the amount of air blown is reduced. Conversely, when the second detected temperature TL is lower than the second set temperature TLC, in step 5016 a high air speed operation is performed in which the blowing area is narrowed and the amount of air blown is increased.

FIG. 3 is a cross-sectional view of the heater, and low wind speed operation with a wide blowout area means moving the position of the vane 18a of the blowout area variable device 18 to the position indicated by the solid line, and low wind speed operation with a wide blowout area. Wind speed operation means that the vane 1 of the variable blowout area device 18
The purpose is to move the vane 8a to the position indicated by the broken line, and an electric motor or the like is used to move the vane 18a. Vane 18a
The blowing area will change due to the movement of.

Figure 4 shows the characteristics of the blowing wind speed.

When the blowout area is kept constant, the heating capacity and the air flow rate have a relationship such that when the heating capacity is low, the air volume is decreased, and when the heating capacity is high, the air volume is increased.

The high wind speed operation indicated by the broken line in FIG. 4 means that the air volume is increased, and although the ability to create the indoor environment increases, it is insufficient. The broken line for high wind speed operation indicates that the air volume is increased and the blowout area is further narrowed. As a result, the blowing wind speed becomes considerably high, providing sufficient environmental shaping power, reducing the vertical temperature distribution in the room, greatly improving the environment, and increasing comfort. Low wind speed operation shown in Figure 4 is similar to high wind speed operation, in which the air volume is reduced and the blowing area is widened, which reduces indoor noise and greatly reduces the feeling of air flow, increasing comfort. do.

The operating status of the heater configured as above is shown in the fifth section.
This will be explained using figures. FIG. 5 is a characteristic diagram of room temperature change, wind speed, and heating capacity when heating operation is performed based on this embodiment. Figure 5 shows the startup status, when the switch is pressed when it is cold, when the switch is pressed when it is hot, and when the switch is pressed when it is cold.
The figure shows the situation when the Comfort switch is pressed. At startup, operation is started with the first set temperature and second set temperature as targets. Since the second set temperature is lower than the first set temperature, high air speed operation is performed with an increased air flow rate and a narrowed blowout area.

This high wind speed operation is preferable to quickly raise the room temperature. When the first detected temperature approaches the first set temperature, the heating capacity control device 15 reduces the heating capacity, and the first detected temperature becomes equal to the first set temperature. The second detected temperature gradually rises, and when it reaches the second set temperature as shown in Fig. 5, the blower control device 16 and blowout area control device 17 switch to low wind speed operation with a reduced air flow rate and a widened blowout area. Become. if,
If the second detected temperature does not reach the second set temperature due to outside temperature or other conditions, high wind speed operation is continued.

Furthermore, although the second detected temperature may become higher than the second set temperature, low wind speed operation continues in this case as well.

When the user presses the "when it's cold" switch during low wind speed operation, the first set temperature is set to, for example, 2 degrees Celsius higher than the first detected temperature, and the second set temperature is the new first set temperature,
Since there is a temperature difference between the old first set temperature and the old second set temperature, the temperature is set again. As a result, the temperature difference between the first detected temperature and the new first set temperature increases, so that the heating capacity control device 15 increases the heating capacity. In addition, the second detected temperature and the new second
Since the temperature difference in the set temperature also increases, the blower control device 1
6 and the blowout area $ control device 17 result in high wind speed operation.

After this, each temperature rises, but this situation is similar to the start-up.

When the user presses the "when it's hot" switch during low wind speed operation, the first set temperature is set to, for example, 2 degrees Celsius lower than the first detected temperature, and the second set temperature is the new first set temperature,
Since there is a temperature difference between the old first set temperature and the old second set temperature, the temperature is set again. Therefore, the first detected temperature becomes higher than the new first set temperature, so the heating capacity control device 15 reduces the heating capacity or stops the operation of the heater 1. As a result, the first detected temperature approaches the new first set temperature.

Moreover, since the second detected temperature becomes higher than the new second set temperature, low wind speed operation is continued. If the "hot weather" switch is pressed, the high wind speed operation will immediately switch to low wind speed operation. As shown in Figure 4, after switching to low wind speed operation, if the second detected temperature becomes lower than the new second set temperature due to outside temperature or other conditions, high wind speed operation will occur, and the second detected temperature will change to the new second set temperature. When the temperature is equal to the temperature, low wind speed operation resumes.

When the user presses the "comfort" switch during low wind speed operation, the first set temperature and the second set temperature become equal to the first detected temperature and the second detected temperature at that time, respectively. At the same time, a new temperature difference between the first set temperature and the second set temperature is set based on the first set temperature and the second set temperature. There is no change in the heating capacity, air volume, and air outlet area, but from now on, the heating capacity, air volume, and air outlet area are set based on the temperature difference between the top and bottom of the room at that time, so you can create an environment where the ``Comfort ° switch is pressed. will be maintained.

Next, FIG. 6 is an electric circuit diagram showing another embodiment of the present invention, and FIG. 7 is a flowchart showing a control method thereof.

In this embodiment, as shown in FIG.
The only difference from the above embodiment is that it is attached to the upper part of the body. In addition, since the first detected temperature of the first temperature detection element 5, which is the temperature at the lower part of the room, is the main focus, the control method is also somewhat more complicated than the one shown in Fig. 2, as shown in Fig. 7.
-The targeted effects are almost the same.

The operation of this embodiment will be explained using FIG. 7.

First, when the operation switch 2 is turned on, the flow shown in FIG. 7 starts. In step 5OOI, the temperature TL of the lower part of the heater 1 is detected by the first temperature detection element 5, and in step 5002, the temperature TL of the lower part of the heater 1 is detected by the second ai degree detection element 6.
The temperature TU at the top of
Proceed to 004.

Steps 5004 to 5010 are a flow for determining the set temperature, and if there is no sensory input in step 5003, skip this flow and proceed to step 5011 for determining heating capacity and air flow. . In step 5004, the type of sensory input is determined, and when the sensory input is "when it is cold", step 5OO5
Set the set temperature a based on the first detected temperature TL at that time.
temperature, for example, 2 degrees Celsius, to determine the first set temperature TI,C. In step 5006, a brief 2 set temperature TUC is determined from the difference between the second set temperature, the current first set temperature TLC, the old first set temperature, and the old second set temperature. When the sensory input is "comfortable", step 5007 determines the first set temperature TLC that is equal to the first detected temperature TL at that time. In step 5008, the second set temperature TUC, which is equal to the second detected temperature TU at that time, is determined, and the new temperature difference between the first set temperature and the second set temperature is determined as the old first set temperature and the old second set temperature.
Set the temperature to be equal to the temperature difference between the set temperatures. When the sensory input is "when it's hot", in step 5009, the first set temperature is lowered by a degree, for example, 2 degrees Celsius, based on the first detected temperature TL at that time, and the first set temperature TLC is determined.

In step 5010, a brief 2 set temperature TUC is determined from the difference between the second set temperature, the current first set temperature TLC, the old first set temperature, and the old second set temperature. Step 5
Step 5
At step 012, the heating capacity is determined and the operation is started. Step 8013
In step 5014, the temperature difference ΔTO between the second detected temperature TO, which is the temperature at the upper part of the room, and the second set temperature TUG is calculated.
When the first detected temperature is higher than the first set temperature, that is, when ΔTL<0, in step 5016, a low air speed operation is performed in which the blowing area is widened and the amount of air blown is reduced. Further, in step 5014, when the first detected temperature is lower than the first set temperature, for example, by 1° C., that is, when ΔTL>1, a high air speed operation is performed in which the blowing area is narrowed and the air blowing amount is increased in step 5017. Further, when the first detected temperature is lower than the first set temperature and the temperature difference is, for example, within 1°C, that is, when ΔTL<1, the process advances to step 5015, and in step 5015, the second detected temperature and the second It is determined whether the temperature difference ΔTU between the set temperatures is positive or negative, and when the second detected temperature is higher than the second set temperature, low wind speed operation is performed in step 5016, and conversely, when the second detected temperature is lower than the second set temperature, In step 5017, high wind speed operation is performed. Here, the low wind speed operation and the high wind speed operation are as explained in FIGS. 3 and 4.

Furthermore, the operating conditions of this embodiment will be explained using FIG. 8. Similar to FIG. 5, FIG. 8 is a characteristic diagram of room temperature changes, wind speed, and heating capacity when heating operation is performed based on this embodiment.

At startup, operation is started with the first set temperature and second set temperature as targets. Since the first detected temperature is lower than the first set temperature and the difference is 1° C. or more, the air flow rate is increased and the blowing area is narrowed, resulting in high air speed operation. This high wind speed operation is preferable to quickly raise the room temperature.

Eventually, the first detected temperature approaches the first set temperature, the heating capacity is reduced by the heating capacity control device 15, the difference between the first detected temperature and the first set temperature becomes 1°C or less, and the second detected temperature approaches the second set temperature. Since the temperature is lower than the set temperature, the blower control device 16 and blowout area control device 17 operate at a high air speed by increasing the blowing amount and narrowing the blowing area.

Further, if the second detected temperature does not reach the second set temperature, high wind speed operation is continued. Further, when the second detected temperature becomes higher than the second set temperature, low wind speed operation is performed.

Further, when the second detected temperature becomes equal to or lower than the second set temperature, high wind speed operation is started.

When the user presses the "When it's cold" switch during low wind speed operation, the first set temperature is set to, for example, 2 degrees higher than the first detected temperature, and the second set temperature is set to the shortest 1 set temperature and the whistle 1 set temperature. It is set based on the difference between the temperature and the whistle 2 set temperature. As a result, the temperature difference between the first detected temperature and the first set temperature increases, so the heating capacity is increased by the heating capacity control device 15. When the first detected temperature is lower than the set temperature of section 1 and the temperature difference becomes 1° C. or more, the blower control device 16 and the blowout area control device 17 cause high air speed operation. After this, the respective temperatures rise, but this situation is similar to the rise.

When the user presses the "When it's hot" switch during low wind speed operation, the first set temperature is set to, for example, 2 degrees lower than the first detected temperature, and the second set temperature is set to the shortest 1 set temperature and the whistle 1 set temperature. It is set from the temperature difference between the whistle and the two set temperatures. Since the first detected temperature is higher than the first set temperature, the heating capacity is reduced by the heating capacity control device 15, or
Stop the operation of the heater 1. As a result, the first detected temperature approaches the first set temperature. Furthermore, since the first detected temperature is higher than the first set temperature, low wind speed operation is continued. If the "hot weather" switch is pressed, the high wind speed operation will immediately switch to low wind speed operation. As shown in Figure 4, after low wind speed operation, depending on the outside temperature and other conditions, the second
When the detected temperature becomes lower than the second set temperature, high wind speed operation is started, and when the second detected temperature becomes equal to or higher than the second set temperature, low wind speed operation is started again.

When the user presses the "comfort" switch during low wind speed operation, the first set temperature and the second set temperature become equal to the first detected temperature and the second detected temperature at that time, respectively. At the same time, a new temperature difference between the first set temperature and the second set temperature is set based on the first set temperature and the second set temperature. The heating capacity, air volume, and air outlet area remain unchanged, but from now on, the heating capacity, air flow rate, and air outlet area are set based on the temperature difference between the top and bottom of the room at that time, so the environment where the "comfort" switch is pressed is maintained. will be maintained.

In each of the above embodiments, the air flow rate and blowout area are explained in two stages, but even if there are fine stages or the heating capacity is non-variable, the heat source may be a refrigeration cycle or an electric type. Similar effects can be expected even if the combustion type is used.

[Effects of the Invention] As described above, according to the present invention, the heating capacity is adjusted so that the first temperature detection element attached to the upper or lower part of the heater reaches the first set temperature that defines the temperature of the upper or lower part of the room. The second temperature detection element attached to the bottom or top of the heater controls the air flow rate and blowout area so that the second set temperature that defines the temperature of the bottom or top of the room is reached. Since the set temperatures of these two temperature detection elements are changed and determined, a comfortable environment that meets the occupant's preferences and does not make them feel any changes in the environment can be obtained when the outside temperature changes or when sensory input occurs.

[Brief explanation of the drawing]

1 to 5 show an embodiment of the present invention, in which FIG. 1 is an electric circuit diagram of the heater, FIG. 2 is a flowchart of its control method, FIG. 3 is a sectional view of the heater, and FIG. The figure is an air blowing characteristic diagram, Figure 5 is an operation explanatory diagram, Figures 6 to 8 show other embodiments of the present invention, Figure 6 is an electric circuit diagram of the heater, and Figure 7 is its control method. FIG. 8 is an operation explanatory diagram, FIGS. 9 to 11 show a conventional example, FIG. 9 is an electric circuit diagram of the conventional example, FIG. 10 is a flowchart thereof, and FIG.
The figure is an air blowing characteristic diagram, and FIG. 12 is a configuration diagram of a thermal sensing switch section of the present invention and a conventional example. l... Heater 3... Combustion section 4... Blower 5... First temperature detection completion 6... Second temperature detection element 9... Thermal sensation switch section 10... Set temperature A microcomputer 15 having a determining means, an air flow rate determining means, a blowing area determining means, and a heating capacity determining means...Heating capacity control device 16...Blower control device 17...Blowing area control device 18...Blowing area Variable device In the figures, the same reference numerals indicate the same or corresponding parts. Agent Patent Attorney Soji Sasaki

Claims (2)

[Claims] (1) Sensory input means for hot, cold, etc.; A first temperature detection element attached to the upper part of the heater; A second temperature detection element attached to the lower part of the heater; The first temperature detection element; means for determining the heating capacity based on the difference between the detected temperature and the first set temperature; and when the detected temperature of the second temperature detection element is lower than a second set temperature which is lower than the first set temperature, the blowing area and the air blowing amount are changed. means for performing high wind speed operation; means for performing low wind speed operation by changing the blowing area and air volume when the temperature detected by the second temperature detection element is higher than the second set temperature; A heating machine comprising: a control device having means for changing a first set temperature and a second set temperature; (2) sensory input means for hot, cold, etc.; a first temperature detection element attached to the lower part of the heater; a second temperature detection element attached to the upper part of the heater; means for determining the heating capacity based on the difference between the detected temperature and the first set temperature; and when the detected temperature of the first temperature detection element is below a certain value than the first set temperature, the blowing area and the air blowing amount are changed to perform high air speed operation. means for performing the first
means for performing the high wind speed operation when the temperature detected by the temperature detection element is lower than the first set temperature and the difference therebetween is within a certain value and the temperature detected by the second temperature detection element is lower than the second set temperature; When the temperature detected by the temperature detection element is lower than the first set temperature, and the difference is within a certain value, and the temperature detected by the second temperature detection element is higher than the second set temperature, the blowing area and air flow rate are changed to perform low wind speed operation. means for performing the low wind speed operation when the temperature detected by the first temperature detection element is higher than the first set temperature; and changing the first set temperature and the second set temperature by input from the sensory input means. 1. A heating machine comprising: a control device having means for controlling;