JPH05118540A - Method of operation of kerosene space heater - Google Patents

Abstract

PURPOSE:To prevent the accumulation of harmful tar with a mechanism to prevent forgotten extinguishing and an operation extension mechanism being held by returning the operation to an ordinary operation after the time of operation is further extended and the temperature of a carburetor raised to high temperature for a short time. CONSTITUTION:The operation of a space heater is extended further for a certain time (3hrs.) by tuning an operation extension switch 23 ON. In addition, the temperature of a carburetor 6 is held for a short time (10sec.) at higher temperature (415 deg.C) than the ordinary operation temperature (280-285 deg.C) by raising the extent of heating of a carburetor heater 8. With this arrangement the tar accumulated inside the carburetor 6 is incinerated and removed. As soon as a short time (10sec.) has passed, the temperature of the carburetor 6 is returned to the ordinary operation temperature and the operation is extended another certain time (3hrs.). A drop in the combustion efficiency of a kerosene space heater is, therefore, prevented.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an operating method for operating an oil heater for a long period of time.

[0002]

2. Description of the Related Art In a conventional oil heater, as shown in FIG. 5, a heating operation is started by turning on an operation switch, and thereafter, a carburetor temperature is kept constant during a constant operation time (3 hours). The operation is continued at the operating temperature (280 ℃ ~ 285 ℃), but to prevent forgetting to turn it off, the operation is automatically stopped after 3 hours. Then, when the operation extension switch is turned on, the operation is postponed for a certain time (3 hours). Therefore, if the operation extension operation is repeated, the heating operation can be continued for a long time.

[0003]

However, when the oil heater is continuously operated for a long time in this way, there is a problem that tar gradually accumulates in the carburetor of the oil heater, leading to a reduction in the combustion amount. ..

Therefore, the present invention solves the above-mentioned drawbacks of the prior art, and is capable of preventing harmful tar accumulation while retaining the mechanism for preventing forgetting to turn off the oil heater and the operation extension mechanism. The purpose is to provide a driving method.

[0005]

In order to achieve the above object, an operating method of an oil heater according to the present invention is a method in which oil supplied from an oil tank is gasified by a vaporizer equipped with a heater and jetted from a nozzle, In addition to guiding the fuel to a combustion pipe placed in front of the nozzle to burn the fuel, a forget-me-not prevention mechanism that automatically stops the operation when the operation continues for a certain period of time, and an operation to the forget-measuring prevention mechanism are performed. A method of operating an oil heater including an operation extension mechanism capable of extending for a certain period of time, wherein the switch of the operation extension mechanism is turned on to further extend the operation for a certain period of time and to shorten the temperature of the carburetor for a short time. The feature is that the temperature is raised to a high temperature for a period of time and then returned to a normal operating temperature.

[0006]

According to the features of the present invention described above, when the switch of the operation extension mechanism is turned on and the operation is continued for a further fixed time, the temperature of the carburetor is always raised to a high temperature. Tar accumulated inside is incinerated. Then, the temperature of the carburetor is returned to the normal operating temperature and the operation is extended.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. FIG. 1 is an external view of an oil heater according to the present invention, FIG. 2 is a schematic configuration diagram of the oil heater, FIG. 3 is a time chart showing a temporal change of a carburetor temperature according to a method for carrying out the present invention, and FIG. It is a flowchart which shows the implementation method of this invention.

As shown in FIGS. 1 and 2, the oil heater of this embodiment uses a heater for heating the oil supplied from the oil tank 12 to the vaporizer 6 by the oil pump 10 via the hot water supply pipe 11. A combustion chamber 4 which is configured to be gasified by the vaporizer 6 equipped with 8 and to be ejected as a vaporized gas from a nozzle 7 and to be guided to a combustion pipe 5 placed in front of the nozzle 7 for combustion.
A controller 20 for detecting and controlling the temperature of the carburetor 6 via the burner thermostat 9 and a controller operation unit 3 having an operation switch 22 and an operation extension switch 23 are provided.

Referring to FIGS. 3 and 4, by turning on the operation switch 22, the temperature of the carburetor 6 is maintained at a constant temperature (280 ° C. to 285 ° C.) which is a normal operation temperature, and the petroleum oil is kept. Along with operating the heater, the mechanism to prevent forgetting to turn off works to automatically stop the operation after a certain operation time (3 hours). To prevent forgetting to turn it off, 3 hours is set as the maximum continuous operation time (steps 40 to 44,
52, 45). When it is desired to continue the operation, the operation extension switch 23 may be turned on to operate the operation extension mechanism. By turning on the operation extension switch 23, the operation extending mechanism further extends the operation of the heater by a constant operating time (3 hours) (steps 51 and 46). In addition to it,
By increasing the heating degree of the vaporizer heater 8 to the temperature of the vaporizer 6, the constant normal operating temperature (280 ° C. to 285 ° C.)
Hold at a higher temperature (415 ° C) for a short period of time (10 sec). As a result, the tar accumulated inside the vaporizer 6 is removed by incineration (steps 44, 51, 46, 4 in FIGS. 3 and 4).
7 and 48), and immediately after the elapse of the fixed short time (10 sec), the temperature of the vaporizer 6 is immediately changed to the normal operating temperature (280 ° C to 28 ° C).
5 ° C), and the oil heater is operated for the next fixed operating time (3
Only extended operation for hr) (Steps 48 and 5 in Figures 3 and 4)
4, 42, 43). Thereafter, the forget-to-turn-off mechanism is activated with the operation extension switch turned off, the operation of the oil heater is automatically stopped, and post-purge is performed (steps 44, 52, 45, 53 in FIGS. 3 and 4). 49, 50, 51).

In the above embodiment, the unit of continuous operation without pressing the extension switch is not limited to 3 hours. Similarly, the extension time for one operation is not limited to 3 hours. Further, the normal operating temperature of the vaporizer and the high temperature for incineration of tar performed during extension are not limited to the temperatures shown in the examples. Further, the time for holding at the higher temperature is not limited to 10 sec in the embodiment.

[0011]

According to the method for operating an oil heater according to the present invention, the present invention has the above-described structure and operation. When the oil heater is operated for a certain period of time, the operation is further extended. However, since the process of raising the temperature of the carburetor for a short time is inserted when the operation is extended, tar is accumulated inside the carburetor even when the oil heater is operated continuously for a long time by repeating the extension of operation several times. Is prevented. Therefore, it is also possible to prevent the combustion efficiency of the oil heater from decreasing.

[Brief description of drawings]

FIG. 1 is an external view of an oil heater according to the present invention.

FIG. 2 is a schematic configuration diagram of an oil heater.

FIG. 3 is a time chart showing a temporal change of the vaporizer temperature according to the method of implementing the present invention.

FIG. 4 is a flowchart showing a method for implementing the present invention.

FIG. 5 is a time chart showing a temporal change of a carburetor temperature in a conventional oil heater operating method.

[Explanation of symbols]

 3 Controller operation part 4 Combustion chamber 5 Combustion pipe 6 Vaporizer 7 Nozzle 8 Heater 12 Oil tank 20 Controller 22 Operation switch 23 Operation extension switch

Continued Front Page (72) Inventor Tomofumi Kinugasa 32 Akashi-cho, Chuo-ku, Kobe, Hyogo Prefecture

Claims (1)

[Claims] 1. The oil supplied from an oil tank is gasified by a vaporizer equipped with a heater, ejected from a nozzle, guided to a combustion pipe placed in front of the nozzle, and burned. A method for operating an oil heater including an erase-forgetting prevention mechanism that automatically stops operation after a certain period of continuous operation, and an operation-extending mechanism for extending the operation for a certain period of time with respect to the erase-forgetting prevention mechanism. By turning on the switch of the operation extension mechanism,
A method for operating an oil heater, which further comprises extending the operation for a certain period of time, raising the temperature of the carburetor once to a high temperature for a short time, and then returning the temperature to a normal operation temperature.