JP2003074981A - Controller for heater - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a controller for a heater capable of preventing abnormal overheating from being caused by dust or the like and capable of continuously and stably heating. SOLUTION: A temperature detecting means 20 for detecting temperature in a hot air path 19 or the vicinity thereof is provided. When the temperature detected by the means 20 exceeds a first specified temperature, the controller 23 makes a judgement of abnormality, and stops operation of instruments while giving an alarm of the abnormality. When a next operation is started, the controller 23 sets a combustion quantity regulating range having an upper limit lowered by a specified quantity, and controls combustion within the regulating range changed as above.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a controller for a warm air heater used for heating by mixing indoor air and combustion gas.

[0002]

2. Description of the Related Art Conventionally, various types of hot air heaters of this type have been proposed, and some of them are used for warm air heating by burning a fuel gas obtained by vaporizing gas or kerosene. A warm air heater used for warm air heating by burning the liquid fuel gas will be described below as an example. Such a warm air heater is configured as shown in FIG.

That is, first, fuel is supplied to the tank 1 from the cartridge tank 2, and the fuel in the tank 1 is supplied to the burner section 4 by the pump 3 and burned there.
The generated combustion gas is guided upward by a combustion cylinder 5 arranged so as to cover the periphery of the burner portion 4, mixed with the indoor air flow from the blower 7 by a duct 6 covering the combustion cylinder 5, and blown out. The wind is controlled by the louver 9 from the mouth 8 and discharged as warm air to be used for heating.

In this combustion apparatus, when the fuel supply amount is adjusted by changing the driving frequency of the pump 3 and the applied voltage, the primary air amount also increases / decreases accordingly, and the combustion amount is maintained with the fuel / air ratio kept constant. Can be changed.

[0005]

However, the fan guard provided at the inlet of the blower 7 is clogged with dust,
When the amount of air from the blower 7 decreases, or when dust entering the inside of the device narrows the air blowing path, the amount of air decreases and the warm air temperature rises, or the warm air and the heat of the burner unit 4 are generated. If the temperature of the inside or the exterior of the device rises, the user may touch it, or the components of the control unit of the device or other components may be damaged.

Therefore, a method has been adopted in which the temperature of the hot air path or the vicinity thereof is detected by a temperature limiting switch or the like, and when the temperature exceeds a predetermined temperature, it is judged to be abnormal and the operation of the equipment is stopped. However, in such a method, unless the dust that causes the temperature rise is removed, even if the next operation is started, the temperature immediately rises, the operation is stopped, and heating cannot be performed, which is unsafe. Along with that, there was a drawback that it was not easy to use.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a control device for a heater, which can prevent abnormal overheating and continuously and safely heat the heater.

[0008]

In order to solve the above-mentioned problems, the present invention is provided with temperature detecting means for detecting the temperature of a hot air path or its vicinity, and the temperature detected by the temperature detecting means is a first predetermined temperature. When it exceeds the limit, the operation of the equipment is stopped while judging that it is abnormal, and at the start of the next operation, the combustion amount adjustment range in which the upper limit value is lowered by a predetermined amount is set,
A configuration is provided in which a control unit that performs combustion control within the changed combustion amount adjustment range is provided.

According to the above construction, when the temperature detected by the temperature detecting means exceeds the first predetermined temperature, it is judged as abnormal and the operation of the equipment is stopped, so that the abnormal temperature of the equipment rises. You can stop driving before you can maintain safety.

Further, without removing the cause of the abnormal temperature rise,
Even when the operation is restarted as it is, the upper limit of the combustion amount adjustment range of the equipment is lowered by a predetermined amount at the start of the next operation, and the combustion amount adjustment range above it is controlled so that it cannot burn. At the start of operation, the upper limit of the combustion amount is reduced, so that the temperature rise is reduced, and the operation can be continued while maintaining the safety, which greatly improves the usability for the user.

[0011]

The invention described in claim 1 is a burner section for burning fuel, a combustion tube for covering the burner section to guide combustion exhaust gas upward, a combustion exhaust gas for covering the combustion cylinder and a blower. A duct that forms a warm air path by mixing with an indoor air flow, a hot air outlet that discharges the mixed warm air, a temperature detecting means that detects the temperature of the hot air path or the vicinity thereof, and the operation of the equipment. When the temperature detected by the temperature detection means exceeds a first predetermined temperature, the control section determines that there is an abnormality and stops the operation of the device while performing a notification operation. At the start of the operation, the combustion amount adjustment range in which the upper limit value is lowered by a predetermined amount is set, and the combustion amount is controlled within this changed combustion amount adjustment range.

Then, when the temperature detected by the temperature detecting means exceeds the first predetermined temperature, it is judged as an abnormality and the operation of the equipment is stopped. Therefore, before the abnormal temperature rise of the equipment, You will be able to maintain safety by stopping the operation.

Further, since the control unit reduces the combustion amount of the device currently in operation by a predetermined amount at the start of the next operation, and controls the combustion amount adjustment range above it so that it cannot burn, At the start of the operation, the amount of combustion on the upper side decreases, so that the temperature rise is reduced, and the operation can be continued while maintaining safety, which greatly improves the usability for the user.

Further, in the invention described in claim 2, the control unit divides the combustion amount adjustment range of the equipment stepwise, and when the number of times of abnormal stop by the detection of the temperature detecting means is the first time, it is the first step. The upper combustion amount adjustment range is lowered, and the combustion amount adjustment range is lowered and controlled according to the number of abnormal stops so that the second stage upper combustion amount adjustment range is lowered at the second time.

When the number of times of stop of the abnormality detected by the temperature detecting means is the first time, the upper combustion amount adjustment range of the first stage is lowered, and when the second stop, the upper combustion amount adjustment range of the second stage is decreased. Since the combustion amount adjustment range is lowered and controlled in accordance with the number of abnormal stops, the effect of ensuring safety for preventing abnormal temperature rise of the device according to claim 1 and
The effect of improving the usability is obtained by continuing the heating, and the duration of the combustion is extended, and the life for dust resistance is extended.

Further, when the amount of combustion is large, heat tends to be trapped and the temperature tends to rise, so the predetermined amount for reducing the amount of combustion must be increased. Accordingly, if the combustion amount is reduced by a predetermined amount when the combustion amount is small, the temperature is too low, and there is a risk that the heating feeling is deteriorated. However, the combustion amount adjustment range of the equipment is divided in stages, and the control is performed by lowering the combustion amount adjustment range according to the number of abnormal stops. Therefore, when the combustion amount is large, when the combustion amount is large, when the combustion amount is small, The combustion amount can be reduced to a small extent, and it is possible to prevent unnecessary reduction in heating feeling.

That is, since the control unit divides the combustion amount adjustment range of the equipment stepwise, when the combustion amount is high, the difference in the combustion amount up to the next stage is large, and when the combustion amount is low, The difference in the amount of combustion up to the stage of becomes small, and when the amount of combustion is large, the amount of combustion is reduced slightly when the amount of combustion is significantly small, and it is possible to prevent unnecessary deterioration of the heating feeling Can be improved.

Further, since the control unit divides the combustion amount adjustment range of the equipment stepwise, the combustion amount before the operation of the equipment is judged to be abnormal and the operation is stopped and the predetermined amount to be lowered accordingly is stored. Derivation using calculation or memory becomes unnecessary, and the configuration becomes simple.

Further, in the invention described in claim 3, the control unit is configured so as not to start the operation by turning the operation switch on and off when the number of times of stop of the abnormality by the detection of the temperature detecting means exceeds a predetermined number.

In the case where the above-mentioned correction of the combustion amount makes it impossible to prevent abnormal overheating, or the combustion balance is disturbed by lowering the combustion amount too much, and the correction cannot be performed, the device is operated before the abnormality occurs. By stopping the operation, there is no fear of damage to the equipment or fire due to an abnormal temperature rise, and the safety of the user's burns or the like can be maintained even after aging.

Further, in the invention described in claim 4, the control section is configured to clear the number of times of stoppage of the abnormality due to the detection of the temperature detecting means by shutting off the power supply of the equipment.

Since the control section is designed to clear the number of times of abnormal stoppage due to the detection of the temperature detecting means by shutting off the power supply of the equipment, the user cleans the fan when the operation of the equipment is stopped. When dust is removed from the guard and the above obstacles are removed, it is possible to return to the normal operation state, the limitation of the combustion amount adjustment range is released, and it will not be used while the feeling of heating is reduced You can improve the feeling.

Further, in the invention as set forth in claim 5, the control section releases the restriction of the combustion amount adjusting range when the temperature detected by the temperature detecting means falls below the second predetermined temperature.

The control unit is adapted to release the limitation of the combustion amount adjusting range when the temperature detected by the temperature detecting means falls below the second predetermined temperature. If the user cleans and removes dust such as dust on the fan guard during operation, the normal operating condition can be restored, the restriction on the combustion amount adjustment range is lifted, and the heating feeling deteriorates. It will not be used as it is, and the usability will be improved.

Furthermore, since the above-mentioned limitation of the combustion amount adjustment range is automatically released, it is not necessary to use it while the feeling of heating is lowered, and the usability for the user is improved.

Further, in the invention described in claim 6, the control unit is configured to release the limitation of the combustion amount adjustment range when the user performs a predetermined operation such as a release button.

Further, since the control unit is configured to release the limitation of the combustion amount adjustment range when the user performs a predetermined operation of the release button or the like, the device of the same manner as in claims 4 and 5. During operation, if the user cleans and removes obstacles such as removing dust from the fan guard, it can return to normal operating conditions, the combustion amount adjustment range is limited, or the increase in air flow is canceled. The feeling of heating will not be used while it is reduced, and the feeling of use will be improved.

Furthermore, since the above-mentioned limitation of the combustion amount adjustment range is canceled by the user performing a predetermined operation,
The user can be made aware of it, and the user can be encouraged to clean and remove dust from the fan guard.

Further, in the invention described in claim 7, the control section has means for storing the number of times of stoppage of the abnormality by the detection of the temperature detecting means.

Since the control unit has means for storing the number of times of abnormal stop due to the detection of the temperature detecting means, the abnormal temperature rise of the equipment due to the power failure due to power failure or movement of equipment, etc. It is possible to prevent the control that prevents combustion in the combustion amount adjustment range above it from being cleared when the device is stopped, which improves safety and greatly improves user convenience.

In other words, the device is stopped due to the abnormal temperature rise of the device due to the interruption of the power source, and the abnormal overheating marginal condition is generated each time, resulting in an unsafe state and the heating due to the device stop. It is possible to prevent the deterioration of feeling, improve the safety and greatly improve the usability of the user.

[0032]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

(Embodiment 1) FIG. 1 is a sectional view of a hot air heater according to Embodiment 1 of the present invention, and FIG. 2 is a control block diagram of the combustor.
FIG. 3 is a flowchart showing the operation of the combustor.

In FIGS. 1 and 2, reference numeral 11 denotes a main body case, a tank 12 holding a liquid fuel on a lower side thereof, and a cartridge tank 13 detachably attached to an upper portion of the tank 12.
Is provided. Reference numeral 14 is a pump mounted on the upper surface of the tank 12, and is adapted to supply fuel from the upper end thereof to the burner portion 16 via the oil supply pipe 15. Burner part 1
Reference numeral 6 designates a combustion cylinder 17 having a cylindrical shape having a heavenly shape and having an opening at an upper front portion arranged so as to guide the generated combustion gas upward.
Further, a blower 18 for taking in and sending out the indoor air flow is provided behind the combustion cylinder 17. Reference numeral 19 is a duct that mixes the high temperature combustion exhaust gas from the combustion cylinder 17 and the indoor air flow from the blower 18 to form a hot air blowing path, and has a temperature detecting means 20 for detecting the temperature near the hot air path on the upper surface. It is provided. Reference numeral 21 denotes a warm air outlet for discharging the warm air from the duct 19, and a louver 22 for controlling the flow of the warm air is provided therein. Reference numeral 23 is a control unit that controls the pump 14 and the blower motor to burn the burner unit 16, and the pump 14 and the burner unit 1 are operated based on the operating condition signal input from the operation unit.
6 and the like are controlled in a predetermined sequence.

In the above structure, the cartridge tank 1
The liquid fuel supplied to the tank 12 so as to maintain a constant oil level from No. 3 is sucked up from the tank 12 by the pump 14, sent to the burner section 16 via the oil supply pipe 15 and burned, thereby generating a high temperature. The combustion exhaust gas of the above flows into the upper part of the combustion cylinder 17, is mixed with the indoor air flow from the blower 18 in the duct 19, and is discharged as warm air from the warm air outlet 21 through the louver 22 with its blowing direction controlled. Used for heating.

The operation and effect of the above configuration will be described below. In the flowchart of FIG. 3, at the time of combustion at the start, the fan guard provided at the inlet of the blower 18 is clogged with dust, the air volume from the blower 18 decreases, the air volume decreases, the warm air temperature rises, and the temperature detection is performed. When the temperature detected by the means 20 exceeds the first predetermined temperature, it is determined to be abnormal, and in step 1, a warning of dust clogging is given and the operation of the device is stopped.

Then, the operation switch is turned on and off,
When the operation is started again, in step 2, the control unit 23 gradually lowers the combustion amount adjustment range on the upper side of the first stage, which is divided stepwise, to start the operation. The combustion amount control range is controlled so that combustion cannot be performed.

Further, as the operation continues, the fan guard provided at the inlet of the blower 18 becomes clogged with dust, the air volume from the blower 18 decreases, the air volume decreases, and the warm air temperature rises. The temperature detected by the temperature detecting means 20 is the first
When the temperature exceeds the predetermined temperature, it is judged as an abnormal step 3
Then, a warning of dust clogging is given and the operation of the device is stopped.

Then, the operation switch is turned on and off,
When the operation is restarted, in step 4, the operation is started by lowering the upper combustion amount adjustment range of the second stage, and the upper combustion amount adjustment range is controlled so as not to burn. ing.

Then, the operation is continued, and the blower 18
The fan guard provided at the inlet of the fan is clogged with dust, the air volume from the blower 18 decreases, the air volume decreases, the warm air temperature rises, and the temperature detected by the temperature detecting means is the first predetermined temperature. When it exceeds, it is judged as abnormal and step 5
Then, a warning of dust clogging is given and the operation of the device is stopped.

After that, the operation is not started even if the operation switch is repeatedly turned on and off.

Next, after the user cleans the dust of the fan guard installed at the entrance of the blower 18, step 6
Then, the power supply of the device is cut off, that is, the power outlet is connected / disconnected, and the number of times of the abnormal stop due to the detection of the temperature detecting means 20 is cleared to return to the normal state.

Then, the operation is started by turning on and off the operation switch, and thereafter, the same control process is repeatedly continued.

Here, when the temperature detected by the temperature detecting means 20 exceeds the first predetermined temperature, it is judged to be abnormal and the operation of the equipment is stopped. Before the temperature rises, the operation can be stopped and safety can be maintained.

Further, since the control unit 23 lowers the combustion amount of the equipment currently operating at the start of the next operation by a predetermined amount and controls so that the combustion amount adjustment range above it is not combusted, At the start of the operation, since the combustion amount on the upper side is decreased, the temperature increase is reduced, and the operation can be continued while maintaining the safety, which greatly improves the usability for the user.

Further, when the number of times of stop of the abnormality detected by the temperature detecting means 20 is the first time, the upper combustion amount adjustment range of the first stage is lowered, and when it is the second time, the second stage upper combustion amount adjustment is performed. In order to lower the range, the combustion amount adjustment range is lowered and controlled according to the number of abnormal stops, so the effect of ensuring safety to prevent abnormal temperature rise of the equipment and continuing heating The effect of improving the usability is obtained, the combustion duration is extended, and the life against dust is extended.

Further, when the amount of combustion is large, heat tends to be trapped and the temperature tends to rise, so the predetermined amount for reducing the amount of combustion must be increased. Accordingly, if the combustion amount is reduced by a predetermined amount when the combustion amount is small, the temperature is too low, and there is a risk that the heating feeling is deteriorated. However, the combustion amount adjustment range of the equipment is divided in stages, and the control is performed by lowering the combustion amount adjustment range according to the number of abnormal stops. Therefore, when the combustion amount is large, when the combustion amount is large, when the combustion amount is small, The combustion amount can be reduced to a small extent, and it is possible to prevent unnecessary reduction in heating feeling.

That is, since the control unit 23 divides the combustion amount adjustment range of the equipment stepwise, when the combustion amount is high, the difference in the combustion amount up to the next stage is large, and when the combustion amount is low, the difference is large. The difference in the amount of combustion up to the next stage becomes small, and when the amount of combustion is large, the amount of combustion is reduced slightly when the amount of combustion is significantly small, and it is possible to prevent unnecessary deterioration of the heating feeling. The feeling can be improved.

Further, since the control unit 23 divides the combustion amount adjustment range of the equipment stepwise, it stores the combustion amount before the operation of the equipment is judged to be abnormal and is stopped, and the predetermined amount is lowered accordingly. It is not necessary to derive the value by using calculation or memory, and the configuration becomes simple.

In the case where the above-mentioned correction of the combustion amount makes it impossible to prevent abnormal overheating or the combustion balance is disturbed by lowering the combustion amount too much, the device cannot be corrected before the abnormality occurs. By stopping the operation, there is no fear of damage to the equipment or fire due to an abnormal temperature rise, and the safety of the user's burns or the like can be maintained even after aging.

Further, since the control section 23 is adapted to clear the number of abnormal stoppages due to the detection of the temperature detecting means 20 by shutting off the power supply of the equipment, the user can clean the equipment when the operation of the equipment is stopped. After removing dust from the fan guard to eliminate the above-mentioned obstacles, it is possible to return to the normal operation state, the limitation of the combustion amount adjustment range is released, and it is possible to use it with the feeling of heating lowered. It will be lost and the usability will be improved.

(Second Embodiment) FIG. 4 is a flow chart showing the operation of the combustor of the second embodiment. The same parts as those described in the first embodiment are denoted by the same reference numerals and the description thereof is omitted. Explaining only the different parts, the control unit 23 determines that the temperature detected by the temperature detecting unit 20 is lower than the second predetermined temperature. In this case, in step 7, the limitation of the combustion amount adjustment range is released.

In the above configuration, the control unit 23
When the temperature detected by the temperature detecting means 20 falls below the second predetermined temperature, the limitation of the combustion amount adjustment range is released in step 7, so that the device is operating as in the first embodiment. In addition, when the user cleans and removes obstacles such as removing dust from the fan guard, it can return to the normal operation state, the limit of the combustion amount adjustment range is released, and the feeling of heating is used while lowered. It will be possible to improve the usability.

Further, since the above-mentioned limitation of the combustion amount adjusting range is automatically released, it is not used while the feeling of heating is lowered, and the usability for the user is improved.

(Third Embodiment) FIG. 5 is a flow chart showing the operation of the combustor of the second embodiment, and FIG. 6 is a control block diagram of the combustor. The same parts as those described in the first embodiment are denoted by the same reference numerals, and the description thereof will be omitted. Explaining only different parts, the control unit 23 causes the control unit 23 to perform a predetermined release operation, that is, a release button 24. In addition, in step 8, the limitation of the combustion amount adjustment range is released.

In the above configuration, the control unit 23
When the user presses the predetermined release operation, that is, the release button 24, in step 8, the limitation of the combustion amount adjustment range is released. Therefore, as in the first embodiment, during operation of the device, When the user cleans the fan guard to remove dust and other obstacles, normal operation can be restored, the combustion amount adjustment range is limited, or the increase in air flow is canceled, which reduces the feeling of heating. It will not be used as it is, and the usability will be improved.

Further, since the user can remove the above limitation of the combustion amount adjustment range by performing a predetermined operation,
The user can be conscious, and the user can be encouraged to clean and remove dust from the fan guard.

(Fourth Embodiment) FIG. 7 is a control block diagram of the combustor of the second embodiment. The same parts as those described in the first embodiment are designated by the same reference numerals, and the description thereof will be omitted. Only different parts will be described.
It is configured to have a means 25 for storing the number of times of abnormal stop due to detection of.

Since the above-mentioned configuration and the control section 23 have the means 25 for storing the number of times of abnormal stop due to the detection of the temperature detecting means 20, the above-mentioned equipment is caused by power failure or movement of equipment. It is possible to prevent the control for prohibiting combustion in the combustion amount adjustment range above it from being cleared due to equipment stoppage due to the abnormal temperature rise, and safety can be improved and user convenience is greatly improved.

In other words, the device is stopped due to the abnormal temperature rise of the device due to the cutoff of the power source, etc., each time an abnormal overheating marginal condition is generated each time, an unsafe state occurs, and heating due to the device stop occurs. It is possible to prevent the deterioration of feeling, improve the safety and greatly improve the usability of the user.

The temperature at which the temperature detected by the temperature detecting means 20 is judged to be abnormal is set to a constant value as the first predetermined temperature. However, this may be changed at each stage, and the configuration of each of the other parts is also the same as that of the present invention. The structure may be any one as long as it achieves the purpose.

[0062]

As described above, according to the control device for a heating apparatus of the present invention, when the temperature detected by the temperature detecting means exceeds the first predetermined temperature, it is judged as abnormal and the operation of the equipment is stopped. As a result, the safety can be maintained by stopping the operation before the abnormal temperature rise of the equipment.

Further, without removing the cause of the abnormal temperature rise,
Even if the operation is restarted as it is, the upper limit of the combustion amount adjustment range of the equipment is lowered by a predetermined amount at the start of the next operation, and the combustion amount adjustment range above it is controlled so that it cannot burn. At the start of the operation, the upper limit of the combustion amount is reduced, so that the temperature rise is reduced, the operation can be continued while maintaining the safety, and the usability for the user is significantly improved.

[Brief description of drawings]

FIG. 1 is a sectional view of a warm air heater according to a first embodiment of the present invention.

FIG. 2 is a control block diagram of the device.

FIG. 3 is a flowchart showing the operation of the combustor.

FIG. 4 is a flowchart showing the operation of the combustor according to the second embodiment of the present invention.

FIG. 5 is a flowchart showing the operation of the combustor according to the third embodiment of the present invention.

FIG. 6 is a control block diagram of a combustor according to a fourth embodiment of the present invention.

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

FIG. 8 is a sectional view of a conventional warm air heater.

[Explanation of symbols]

16 Burner section 17 Combustion cylinder 18 blower 19 duct (warm air path) 20 Temperature detection means 21 Hot air outlet 23 Control unit

   ─────────────────────────────────────────────────── ─── Continued front page    F-term (reference) 3K003 RA03 RA08                 3K068 NA01                 3L028 EA01 EB03 EC01 ED01 ED03

Claims (7)

[Claims] 1. A warm air path by mixing a burner section for burning fuel, a combustion tube that covers the burner section and guides combustion exhaust gas upward, a combustion exhaust gas that covers the combustion cylinder and an indoor air flow from a blower. A duct for forming a hot air outlet, a hot air outlet for discharging the mixed hot air, a temperature detecting means for detecting the temperature of the hot air path or the vicinity thereof, and a control section for controlling the operation of the device, When the temperature detected by the temperature detecting means exceeds the first predetermined temperature, the section judges that there is an abnormality and stops the operation of the equipment while performing a notification operation.
A control device for a heater, which sets a combustion amount adjustment range in which the upper limit value is lowered by a predetermined amount at the start of the next operation, and controls the combustion amount within the changed combustion amount adjustment range. 2. The control unit divides the combustion amount adjustment range of the equipment in stages, and sets the combustion amount adjustment range in which the upper limit value is lowered by one step when the number of times of stoppage of the abnormality by the detection of the temperature detecting means is the first time. However, the combustion amount adjustment range in which the upper limit value is lowered in two steps is set in the second time, and the combustion amount adjustment range in which the upper limit value is lowered is set according to the number of abnormal stops. Control device of the heating machine. 3. The control unit prevents the operation from being started by turning on / off the operation switch when the number of times of stopping the abnormality by the detection of the temperature detecting means exceeds a predetermined number.
The control device of the described heater. 4. The heater according to claim 1, wherein the control unit clears the number of abnormal stoppages by the temperature detecting means by shutting off the power supply to the equipment, and initializes the combustion amount adjustment range. Control device. 5. The control unit releases the restriction on the combustion amount adjustment range when the temperature detected by the temperature detecting means falls below the second predetermined temperature. Control device for the heater. 6. The heater according to claim 1, wherein the control unit releases the limitation of the combustion amount adjustment range when the user performs a predetermined operation such as a release button. Control device. 7. The control device for a heating machine according to claim 1, wherein the control section has means for storing the number of abnormal stoppages by the temperature detection means.