KR102398524B1 - system for Wireless control for firefighting trainer - Google Patents

Abstract

In accordance with one embodiment of the present invention, a wireless control system for a firefighting trainer includes: a driving part driving wheels while kept placed on an upper side of the rear of a frame part; a wheel control part changing a direction or the rotation speed of the wheels in accordance with an inputted signal value; a wind velocity setting part formed on the edge of the frame part, and changing the intensity of an air blast from a flame air blast part, while kept connected with the flame air blast part generating an air blast to an installation space; a natural wind measurement part measuring the wind direction and velocity of natural wind, while kept installed in the frame part; and a main control part controlling the wheel control part, the wind velocity setting part and a flame generation part generating flames, based on a measurement value measured by the natural wind measurement part. Therefore, the present invention is capable of preventing an accident related to a fire by conducting fire suppression experience training.

Description

Wireless control system of firefighting trainer {system for Wireless control for firefighting trainer}

The present invention relates to a wireless control system for a fire fighting trainer for training, and more particularly, to a wireless control system for a training fire trainer that reproduces a fire scene for fire extinguishing training.

In the field of fire fighting training, significant efforts continue to be made, particularly for devices and systems that enable fire extinguishing training for individuals, such as training under controlled live fire situations.

In particular, among the safety education plans implemented for students in elementary, middle and high schools, the fire safety education program specifically states how to use a fire extinguisher and how to use an alarm system, but many students cannot be given experience education within a given time. There is a problem that it is only a formal education because the equipment and tools are not supported at all.

Because of the high cost, high risk of injury, exposure to hazardous and environmentally hazardous substances, the lack of quantitative and qualitative feedback, and the lack of user guidance on recent devices and systems, this digestion Employers' use of training is limited and often impractical (impractical) for adoption by the private, commercial and governmental sectors.

Accordingly, there is a need for research into an apparatus, method and control system that overcomes at least one of the above and other drawbacks in the field of fire extinguishing training for individuals.

Korean Patent No. 10-1015099

An object of the present invention is to build equipment that can reproduce a fire scene similar to the real one in order to cultivate the ability to cope with a fire-related accident that can spread to a large-scale accident, and then based on this, a fire extinguishing experience similar to the real situation It is to provide a wireless control system of a fire-fighting trainer for training that can prevent fire-related accidents in advance through education.

The wireless control system of the fire fighting trainer according to an embodiment of the present invention is disposed on the rear upper side of the frame unit, and a driving unit for driving the wheel and a wheel control unit for changing the direction or rotational speed of the wheel according to the input signal value; A wind speed setting unit that is formed on the edge of the frame and connected to a flame blower that generates air to the installation space and changes the intensity of blowing by the flame blower, installed in the frame, the wind direction and speed of the natural wind It may include a main control unit for controlling the wheel control unit, the wind speed setting unit, and the flame generating unit for generating a flame based on the measured value measured by the natural wind measurement unit and the natural wind measurement unit to measure.

According to an aspect of the present invention, the wheel control unit may change the direction or rotation speed of the wheel unit according to a signal value input through wireless communication.

According to an aspect of the present invention, the main control unit controls the wheel control unit so that the wind direction of the natural wind measured by the natural wind measurement unit and the front of the frame unit face each other, and the wind speed of the natural wind measured by the natural wind measurement unit is The wind speed setting unit is controlled so that the blowing intensity of the flame blowing unit is changed in proportion to the intensity, and when the front of the frame unit does not face the wind direction of the natural wind, the flame generating unit can be controlled so that the flame generating unit is not driven. .

According to one aspect of the present invention, the main control unit, when the position moving unit is moved from the open position to the cover position, so that the fire extinguishing unit is driven, and when the flame generating unit or the fire extinguishing unit is driven, the wheel blower It can be controlled to be driven.

The wireless control system of the fire fighting trainer according to an aspect of the present invention further includes; a wind direction setting unit for changing the blowing direction by the flame blowing unit while connected to the flame blowing unit, wherein the wind direction setting unit includes the first A first wind direction setting piece for changing the blowing direction of the flame blowing piece and a second wind direction setting piece for changing the blowing direction of the first flame blowing piece are provided, wherein the first wind direction setting piece and the second wind direction setting piece are: It is possible to change the blowing direction of the first flame blowing piece or the second flame blowing piece by receiving the signal value transmitted by the input.

According to the present invention, it is possible to more easily reproduce a fire scene similar to the real one for cultivating the ability to cope with a fire-related accident that can spread to a large-scale accident, and based on this, fire extinguishing experience education similar to the actual situation based on this In practice, fire-related accidents can be prevented in advance.

1 is a schematic diagram showing a fire-fighting trainer wireless control system according to an embodiment of the present invention.
Figure 2 is a schematic diagram for explaining various control units of the fire-fighting trainer wireless control system according to an embodiment of the present invention.
Figure 3 is a schematic diagram for explaining the detailed configuration of the main control unit for controlling the position movement and fire extinguishing in the fire-fighting trainer wireless control system according to an embodiment of the present invention.
Figure 4 is a schematic diagram for explaining the main control unit for controlling the flame generation and wheel blowing of the fire-fighting trainer wireless control system according to an embodiment of the present invention.
5 is a schematic diagram showing a fire fighting trainer for training according to an embodiment of the present invention.
Figure 6 is a schematic diagram for explaining the running portion of the training fire trainer according to an embodiment of the present invention.
Figure 7 is a schematic view for explaining the extinguishing cover portion of the training fire trainer according to an embodiment of the present invention.
8 is a schematic diagram for explaining a flame generating unit of a fire fighting trainer for training according to an embodiment of the present invention.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings. However, the spirit of the present invention is not limited to the presented embodiments, and those skilled in the art who understand the spirit of the present invention may add, change, delete, etc. other elements within the scope of the same spirit, and may use other degenerative inventions or the present invention. Other embodiments included within the scope of the invention may be easily proposed, but this will also be included within the scope of the invention.

In addition, components having the same function within the scope of the same idea shown in the drawings of each embodiment will be described using the same reference numerals.

<Example 1>

1 is a schematic diagram showing a fire-fighting trainer wireless control system according to an embodiment of the present invention, Figure 2 is a schematic diagram for explaining various control units of the fire-fighting trainer wireless control system according to an embodiment of the present invention.

1 and 2 , the fire-fighting trainer wireless control system 100 according to an embodiment of the present invention may be a device for controlling a fire-fighting trainer reenacting a fire scene for fire extinguishing training.

The firefighting trainer wireless control system 100 according to an embodiment of the present invention includes a wheel control unit 17 , a wind speed setting unit 60 , a natural wind measurement unit 70 , and a main control unit 80 .

The wheel control unit 17 may change the direction or rotation speed of the wheel according to a driving unit for driving the wheel and an input signal value while being disposed on the upper rear side of the frame unit.

The wheel control unit 17 may change the direction or rotation speed of the wheel unit 11 according to a signal value input through wireless communication.

Here, the input signal value may be a signal by a user's remote control or a signal input from the main controller 80 to be described later.

In addition, the wind speed setting unit 60 is formed on the edge of the frame unit 13, while being connected to the flame blowing unit for generating air to the installation space, it is possible to change the blowing intensity by the flame blowing unit.

In addition, the natural wind measuring unit 70 may measure the wind direction and wind speed of the natural wind while being installed in the frame unit 13 .

The main control unit 80 may control the wheel control unit 17 , the wind direction setting unit and the flame generating unit 20 based on the measured value measured by the natural wind measuring unit 70 .

The main control unit 80 may control the wheel control unit 17 so that the wind direction of the natural wind measured by the natural wind measurement unit 70 and the front of the frame unit 13 face each other.

This is to minimize the risk of burns due to flame to the trainee who performs fire fighting training in front of the frame part 13 by directing the flame direction from the natural wind toward the fire extinguishing cover part 30 located at the rear of the frame part 13. it is for

In addition, the main control unit 80, the wind speed setting unit 60 so that the blowing strength of the flame blowing unit 50 is changed in proportion to the strength of the wind speed of the natural wind measured by the natural wind measuring unit 70 can be controlled

The flame blowing unit 50 serves as a kind of air curtain so that the flame ignited from the upper side of the frame unit 13 stays at the upper side of the frame unit 13, and as the wind speed of the natural wind increases, the Since the effect of the flame blowing unit 50 may be reduced, the wind speed setting unit 60 may increase the blowing strength of the flame blowing unit 50 to maintain the effect of the air curtain.

In addition, the main control unit 80 may control the flame generating unit 20 so that the flame generating unit 20 is not driven when the front of the frame unit 13 does not face the wind direction of the natural wind. there is.

The wind direction setting unit may change the blowing direction by the flame blowing unit 50 while being connected to the flame blowing unit 50 .

The flame blowing part 50 is a first flame blowing piece 51 formed on one edge of the frame part 13 in the longitudinal direction and a second flame blowing part formed on the other edge of the frame part 13 in the longitudinal direction. A piece 52 may be provided.

The wind direction setting unit may include a first wind direction setting piece for changing the blowing direction of the first flame blowing piece 51 and a second wind direction setting piece for changing the blowing direction of the first flame blowing piece 51 . there is.

The first wind direction setting piece and the second wind direction setting piece change the blowing direction of the first flame blowing piece 51 or the second flame blowing piece 52 by receiving a signal value transmitted by a user. can

The user may change the flame shape by adjusting the first wind direction setting piece or the second wind direction setting piece in order to train the trainee with various types of flame shapes.

Figure 3 is a schematic diagram for explaining the detailed configuration of the main control unit for controlling the position movement and fire extinguishing in the fire fighting trainer wireless control system according to an embodiment of the present invention, Figure 4 is a wireless fire fighting trainer according to an embodiment of the present invention It is a schematic diagram for explaining the main control unit for controlling flame generation and wheel blowing of the control system.

Referring to FIG. 3 , in the fire fighting trainer wireless control system 100 according to an embodiment of the present invention, the main control unit 80 may be operated in conjunction with the position moving unit 33 and the fire extinguishing unit 40 .

That is, the main control unit 80 may cause the fire extinguishing unit 40 to be driven when the position moving unit 33 is moved from the open position to the cover position.

The fire extinguishing unit 40 may inject a fire extinguishing material into the closed space so that the flame in the closed space is extinguished.

The main control unit 80 may control the wheel blowing unit 18 to be driven when the flame generating unit 20 or the fire extinguishing unit 40 is driven.

The position moving part 33 is disposed adjacent to the standing part 31, and in an open position disposed at the rear of the standing part 31 beyond the standing part 31, It can be moved to a cover position disposed in the front.

The position moving part 33 can form a closed space with the upper surface of the standing part 31, the fire deformation part 35 and the frame part 13 in the cover position, while being formed in a hollow hemispherical shape. there is.

Referring to FIG. 4 , the main control unit 80 of the fire-fighting trainer wireless control system 100 according to an embodiment of the present invention, when the flame generating unit 20 or the fire extinguishing unit 40 is driven, the The wheel blower 18 can be controlled to be driven.

The wheel blowing unit 18 includes a first wheel blowing piece 181 formed along an outer circumferential surface of the first hemispherical forming piece 121a and a second wheel blowing formed along an outer circumferential surface of the second hemispherical forming piece 122a. A piece 182 may be provided.

The wheel blower 18 generates a radial blow so that the wheel material weak to fire is less directly or indirectly affected by fire, thereby preventing the flame from moving to the wheel part 11 .

That is, the wheel blowing unit 18 is formed radially along the outer surface of the wheel cover unit 12, and blows air in the normal vector direction of the outer surface of the flame generated on the frame unit 13. Movement to the wheel part 11 may be hindered.

The position moving unit 33 is disposed between the driving unit 15 and the flame generating unit 20 in the open position, so that the flame F generated from the flame generating unit 20 is transmitted to the driving unit 15 . can be prevented from moving to

As described above, according to one embodiment of the present invention, it is possible to more easily reproduce a fire scene similar to the real one for cultivating the ability to cope with a fire-related accident that can spread to a large-scale accident, and based on this, In order to practically conduct fire extinguishing experience education in a similar field, it is possible to effectively control the fire fighting trainer, thereby increasing the educational performance and preventing fire-related accidents in advance.

<Example 2>

5 is a schematic diagram illustrating a fire fighting trainer for training according to an embodiment of the present invention.

Referring to FIG. 5 , a fire fighting trainer 1 for training according to an embodiment of the present invention may be a device for reenacting a fire scene for fire extinguishing training.

The wireless control fire fighting trainer 1 for training according to an embodiment of the present invention includes a driving unit 10, a flame generating unit 20, a fire extinguishing cover unit 30, a fire extinguishing unit 40, and a flame blowing unit. 50 , a wind speed setting unit 60 , a natural wind measuring unit 70 , a main control unit 80 , and a wind direction setting unit may be included.

The driving unit 10 may include a wheel unit 11 , a frame unit 13 , a driving unit 15 , and a wheel control unit 17 .

The wheel part 11 may travel on the floor surface while being supported on the floor surface.

The frame part 13 is connected to the upper side of the wheel part 11, and may provide a flat installation space.

The wheel part 11 includes a first front wheel piece 111 disposed on one side of the front bottom surface of the frame part 13 , and a second front wheel piece 112 disposed on the other side of the front bottom surface of the frame part 13 . ), a first rear wheel piece 113 disposed on one side of the rear bottom surface of the frame portion 13 and a second rear wheel piece disposed on the other side of the rear bottom surface of the frame portion 13 may be provided.

The driving unit 15 may drive the wheel unit 11 while being disposed on the rear upper side of the frame unit 13 .

The wheel control unit 17 may change the direction or rotation speed of the wheel unit 11 according to a signal value input through wireless communication.

Here, the input signal value may be a signal by a user's remote control or a signal input from the main controller 80 to be described later.

The flame generating part 20 is connected to the frame part 13 while being disposed in the installation space, and may generate a flame upward. The flame generating unit 20 may be a device that injects fuel so as to be ignited by an ignition unit 23 to be described later to generate a flame.

The fire extinguishing cover part 30 is connected to the frame part 13, and is disposed between the driving part 15 and the flame generating part 20 and covers the flame generating part 20. and the flame generating unit 20 may be moved to an open position.

The fire extinguishing cover unit 30 prevents the flame generated from the flame generating unit 20 from being transmitted to the driving unit 15, and when extinguishing the flame generated from the flame generating unit 20, the In order to block the oxygen supplied to the flame generator 20, it covers the upper part of the flame generator 20 or prevents the extinguishing liquid (agent) from scattering by the fire extinguishing part 40, causing inconvenience to the surrounding environment or people. can be prevented from giving.

The fire extinguishing unit 40 is installed in the frame unit 13 , and can extinguish the flame generated from the flame generating unit 20 .

The flame blowing unit 50 is formed on the edge of the frame unit 13, and can generate air blowing into the installation space.

The wind speed setting unit 60 may change the blowing intensity by the flame blowing unit 50 while being connected to the flame blowing unit 50 .

The natural wind measurement unit 70 may measure the wind direction and wind speed of the natural wind while being installed on the frame unit 13 .

The main control unit 80 may control the wheel control unit 17 , the wind direction setting unit and the flame generating unit 20 based on the measured value measured by the natural wind measuring unit 70 .

The main control unit 80 may control the wheel control unit 17 so that the wind direction of the natural wind measured by the natural wind measurement unit 70 and the front of the frame unit 13 face each other.

This is to minimize the risk of burns due to flame to the trainee who performs fire fighting training in front of the frame part 13 by directing the flame direction from the natural wind toward the fire extinguishing cover part 30 located at the rear of the frame part 13. it is for

In addition, the main control unit 80, the wind speed setting unit 60 so that the blowing strength of the flame blowing unit 50 is changed in proportion to the strength of the wind speed of the natural wind measured by the natural wind measuring unit 70 can be controlled

The flame blowing unit 50 serves as a kind of air curtain so that the flame ignited from the upper side of the frame unit 13 stays at the upper side of the frame unit 13, and as the wind speed of the natural wind increases, the Since the effect of the flame blowing unit 50 may be reduced, the wind speed setting unit 60 may increase the blowing strength of the flame blowing unit 50 to maintain the effect of the air curtain.

In addition, the main control unit 80 may control the flame generating unit 20 so that the flame generating unit 20 is not driven when the front of the frame unit 13 does not face the wind direction of the natural wind. there is.

The wind direction setting unit may change the blowing direction by the flame blowing unit 50 while being connected to the flame blowing unit 50 .

The flame blowing part 50 is a first flame blowing piece 51 formed on one edge of the frame part 13 in the longitudinal direction and a second flame blowing part formed on the other edge of the frame part 13 in the longitudinal direction. A piece 52 may be provided.

The wind direction setting unit may include a first wind direction setting piece for changing the blowing direction of the first flame blowing piece 51 and a second wind direction setting piece for changing the blowing direction of the first flame blowing piece 51 . there is.

The first wind direction setting piece and the second wind direction setting piece change the blowing direction of the first flame blowing piece 51 or the second flame blowing piece 52 by receiving a signal value transmitted by a user. can

The user may change the flame shape by adjusting the first wind direction setting piece or the second wind direction setting piece in order to train the trainee with various types of flame shapes.

6 is a schematic diagram for explaining a driving unit of a fire fighting trainer for training according to an embodiment of the present invention.

Referring to FIG. 6 , the driving unit 10 of the fire fighting trainer 1 for training according to an embodiment of the present invention may further include a wheel cover unit 12 and a wheel blowing unit 18 .

The wheel cover part 12 may cover the wheel part 11 located below while being connected to the frame part 13 .

The wheel blowing unit 18 is formed radially along the outer surface of the wheel cover unit 12, and blows air in the direction of the normal vector of the outer surface of the wheel of the flame generated on the frame unit 13. It may prevent movement to the part 11 .

The wheel cover part 12 includes a first cover piece 121 that covers the first front wheel piece 111 and a second cover piece 122 that covers the second front wheel piece 112 . can do.

The first cover piece 121 is a first hemispherical forming piece extending from one edge of the frame portion 13 in the longitudinal direction, formed in a hollow hemispherical shape, and covering the upper side of the first front wheel piece 111 . A first extension piece 121b extending downward from one end of the first hemispherical forming piece 121a facing the first rear wheel piece 113 may be provided.

The second cover piece 122 is a second hemispherical forming piece extending from the other edge of the frame part 13 in the longitudinal direction, formed in a hollow hemispherical shape, and covering the upper side of the second front wheel piece 112 . (122a) and a second extension piece 122b extending downward from one end of the second hemispherical forming piece 122a facing the second rear wheel piece may be provided.

The wheel blowing unit 18 includes a first wheel blowing piece 181 formed along an outer circumferential surface of the first hemispherical forming piece 121a and a second wheel blowing formed along an outer circumferential surface of the second hemispherical forming piece 122a. A piece 182 may be provided.

The wheel blower 18 generates a radial blow so that the wheel material weak to fire is less directly or indirectly affected by fire, thereby preventing the flame from moving to the wheel part 11 .

7 is a schematic diagram for explaining a fire extinguishing cover part of a fire fighting trainer for training according to an embodiment of the present invention.

Referring to FIG. 7 , the fire extinguishing cover unit 30 of the fire fighting trainer 1 for training according to an embodiment of the present invention may include a standing unit 31 , a position moving unit 33 and a fire deformation unit 35 . can

The standing part 31 may be formed to stand up from the upper surface of the frame part 13 .

The position moving part 33 is disposed adjacent to the standing part 31 and moves the standing part 31 in an open position (refer to FIG. 7 (a)) disposed behind the standing part 31. It can be moved to the cover position (refer to FIG. 7 (b)) disposed in front of the standing part 31 beyond.

The position moving part 33 can form a closed space with the upper surface of the standing part 31, the fire deformation part 35 and the frame part 13 in the cover position, while being formed in a hollow hemispherical shape. there is.

The fire prevention deformable part 35 connects the upper edge of the standing part 31 and the lower edge of the position moving part 33, but may be formed of a deformable fire prevention material.

The fire-proof deformable part 35 may maintain the airtightness of the spaced apart space between the standing part 31 and the moving part 33 when the position moving part 33 is located in the cover position.

The standing part 31 and the moving part 33 are disposed between the driving part 15 and the flame generating part 20 in the open position, and the flame F generated from the flame generating part 20 ) can be prevented from moving to the driving unit 15 .

The fire extinguishing unit 40 may inject a fire extinguishing material into the closed space so that the flame in the closed space is extinguished.

8 is a schematic diagram for explaining a flame generating unit of a fire fighting trainer for training according to an embodiment of the present invention.

Referring to FIG. 8 , the flame generating unit 20 of the fire fighting trainer 1 for training according to an embodiment of the present invention includes a fuel injection unit 21 , an ignition unit 23 , and a fuel cover unit 25 . can do.

The fuel injection part 21 is mounted on the plurality of first recessed parts H1 recessed from the upper surface of the frame part 13 , and injects fuel upward to inject fuel into the upper surface of the frame part 13 . can be set to settle.

The ignition part 23 may ignite the fuel injected from the fuel injection part 21 while being mounted in the second recessed part H2 recessed from the upper surface of the frame part 13 .

The fuel cover part 25 is formed in the frame part 13, and may cover or open the plurality of first recessed parts H1.

The fuel cover part 25 may include a plurality of corresponding holes formed at positions corresponding to the plurality of first recessed parts H1 while being disposed under the upper plate of the frame part 13 . .

In addition, the fuel cover part 25 is moved horizontally from the overlapping position where the plurality of first recessed parts (H1) and the plurality of corresponding holes overlap, and the plurality of first recessed parts (H1) and The plurality of corresponding holes may be moved to a non-overlapping position.

The plurality of first recessed portions H1 may be opened at the overlapping position of the fuel cover portion 25 and closed at the overlapping position of the fuel cover portion 25 .

As described above, in one embodiment of the present invention, it is possible to more easily reproduce a fire scene similar to the real one for cultivating the ability to cope with a fire-related accident that can spread to a large-scale accident, and based on this, Fire-related accidents can be prevented in advance by practically conducting fire extinguishing experience education.

In the above, the configuration and features of the present invention have been described based on the embodiments according to the present invention, but the present invention is not limited thereto, and it is understood that various changes or modifications can be made within the spirit and scope of the present invention. It is intended that such changes or modifications will be apparent to those skilled in the art, and therefore fall within the scope of the appended claims.

100: radio control system of firefighting trainer
10: driving part
20: flame generating unit
21: fuel injection unit
30: fire extinguishing cover part
40: digestive department
50: flame blower
60: wind speed setting unit
70: natural wind measurement unit
80: main control unit

Claims (5)

a frame part connected to the upper side of the wheel part and providing a flat installation space;
a driving unit for driving the wheel unit while being disposed on the upper rear side of the frame unit;
a wheel control unit for changing a direction or a rotation speed of the wheel according to an input signal value;
a wind speed setting unit formed on the edge of the frame and connected to the flame blowing unit for generating air to the installation space and changing the blowing intensity by the flame blowing unit;
a natural wind measuring unit for measuring a wind direction and a wind speed of a natural wind while being installed on the frame; and
A main control unit for controlling the wheel control unit, the wind speed setting unit, and the flame generating unit for generating a flame based on the measured value measured by the natural wind measuring unit;
A radio control system of the fire trainer, including.
According to claim 1,
The wheel control unit,
A wireless control system for firefighting trainers, characterized in that the direction or rotation speed of the wheel part is changed according to a signal value input by wireless communication.
According to claim 1,
The main control unit,
Controls the wheel control unit so that the wind direction of the natural wind measured by the natural wind measurement unit and the front of the frame unit are opposite,
controlling the wind speed setting unit so that the blowing strength of the flame blowing unit is changed in proportion to the strength of the wind speed of the natural wind measured by the natural wind measuring unit,
When the front of the frame does not face the wind direction of the natural wind, the wireless control system of the fire trainer, characterized in that for controlling the flame generator so that the flame generator is not driven.
4. The method of claim 3,
a fire extinguishing unit installed in the frame unit and extinguishing the flame generated from the flame generating unit;
a standing portion formed by standing up from the upper surface of the frame portion;
a position moving part disposed adjacent to the standing part and moving from an open position disposed behind the standing part to a cover position disposed in front of the standing part beyond the standing part;
further comprising,
The main control unit,
When the position moving unit is moved from the open position to the cover position, the fire extinguishing unit is driven,
When the flame generating unit or the fire extinguishing unit is driven, the wireless control system of the fire training trainer, characterized in that the control so that the wheel blower is driven.
5. The method of claim 4,
It further includes; while connected to the flame blower, a wind direction setting unit for changing the blowing direction by the flame blowing unit;
The wind direction setting unit,
A first wind direction setting piece for changing the blowing direction of the first flame blowing piece and a second wind direction setting piece for changing the blowing direction of the second flame blowing piece are provided,
The first wind direction setting piece and the second wind direction setting piece,
A wireless control system for a fire trainer, characterized in that receiving a signal value transmitted by a user and changing the blowing direction of the first flame blowing piece or the second flame blowing piece.

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