KR20200042758A - Fire extinguisher for a blind person - Google Patents

Abstract

The present invention relates to a fire extinguisher for the visually impaired, which allows the visually impaired to use a fire extinguisher located at a designated place when a fire breaks out to spray a fire extinguishing agent to the location of the fire in a quick and precise manner to suppress the fire. In particular, the fire extinguisher for the visually impaired has a fire extinguishing agent filled in a main body container under a predetermined pressure, such that, when a lever is pressurized towards a handle after a safety pin is dislocated, the fire extinguishing agent may be sprayed to the outside through a spray hose. To this end, the present invention comprises: a flame detection sensor which is installed at the distal end portion of the spray hose to face the identical direction as the direction in which the fire extinguishing agent is sprayed from the spray hose in order to detect a flame at the location of a fire; a control means which, when the flame detection sensor detects a fire, receives the detection information in a wired or wireless manner to provide auditory information to the visually impaired through a sound unit provided at one side, and is separably coupled to the main body container; and a detection area limiting member which is installed to allow the flame detection sensor to detect the flame within a predetermined range of angle so that the fire extinguishing agent sprayed from the spray hose may be precisely sprayed to the location of the fire when the lever is pressurized after the auditory information is provided by the control means, and is fixed to the distal end portion of the spray hose by a fixing means.

Description

Fire extinguisher for a blind person

The present invention relates to a fire extinguisher for a visually impaired visually impaired due to a congenital or acquired factor that causes blindness in vision or has very poor vision. It relates to a fire extinguisher for the visually impaired so that a fire can be extinguished by spraying an extinguishing agent quickly and accurately.

In general, fire extinguishers are portable or portable devices for early extinguishing a fire by using a substance that cools combustion materials and blocks oxygen from a flame, or interferes with a chemical reaction that causes a flame.

Such fire extinguishers are largely classified into foam fire extinguishers, powder fire extinguishers, carbon dioxide fire extinguishers, and halon fire extinguishers according to general fires caused by wood or fiber, oil fires such as gasoline, chemical fires, and electric fires.

To briefly describe the above fire extinguishers, the foam fire extinguisher causes the chemical reaction of the sodium hydrogen carbonate solution and the aluminum sulfate solution contained therein by shaking the fire extinguisher upside down, thereby generating carbon dioxide and aluminum hydroxide, thereby causing bubbles of carbon dioxide and aluminum hydroxide to form. It is intended to extinguish the fire by shutting off the supply of air, and is suitable for general fires, oil / chemical fires, but electric fires are not suitable due to the risk of electric shock.

The powder fire extinguisher is designed to extinguish the fire by spraying sodium hydrogen carbonate powder or ammonium monophosphate powder, which is an extinguishing agent, by using a non-flammable high-pressure gas such as nitrogen or carbon dioxide, and is suitable for oil / chemical fires and electric fires.

Carbon dioxide fire extinguishers are converted to solid dry ice when the carbon dioxide contained in the liquefied state is discharged, and the fire is covered with carbon dioxide gas to cut off the supply of air to turn off the fire. It is useful for extinguishing electric fires, but the temperature of dry ice is rapidly lowered to -78.5 ℃, so to avoid frostbite, you must hold the handle when holding the nozzle to release carbon dioxide.

Halon fire extinguishers are made to extinguish the fire as the fire extinguishing powder, which is filled with halon gas and discharged as a colorless and transparent radioactive evaporating liquid, suffocates and suppresses the fire, and is used for general fires, oil / chemical fires, and electric fires. It is suitable for fire, but it is the trend that halon gas is replaced with clean fire extinguisher because halon gas is the cause of destruction of the earth's ozone layer.

In addition, the above fire extinguishers can be divided into a pressurized type and a compressed type according to the pressurization method. Among them, the compressed fire extinguishers contain a compressed gas such as a fire extinguishing agent and nitrogen in the main body container, and then remove the safety pin and press the handle to extinguish the fire extinguishing agent by compressed gas. Since it is intended to be discharged out of the main body container, it is not only easy to operate, but can be used for general fires, oil / chemical fires, or electric fires, making it the most commonly used fire extinguisher.

However, the above-mentioned fire extinguishers can be easily used by the general public because the fire suppression efficiency increases only when the fire is directly sprayed to the point where the fire has occurred, but visually impaired people who cannot see the fire can properly fire the fire. There was a problem in that it was difficult to extinguish the fire because it could not be found, and this problem frequently led to death due to gas suffocation due to fire.

Nevertheless, the invention related to the conventional fire extinguisher is mostly for the general public, such as making it possible to quickly extinguish the fire by conveniently using the fire extinguisher through a voice guide or by increasing the spray area, so that visually impaired people do not rely on others. It was a desperate need to develop a fire extinguisher that could find out the location of the fire and extinguish it.

Korean Patent Publication No. 2009-0129000 (Dec. 16, 2009, fire extinguisher for extinguishing fire) Korean Registered Patent Publication No. 1757760 (Registration on July 7, 2017, fire extinguisher with fire detection means) Korean Registered Utility Model Publication No. 0385981 (registered on May 27, 2005, fire extinguisher equipped with a notification device for using fire extinguishers)

The present invention is to solve the above problems, in the event of a fire, a visually impaired person directly sprays an extinguishing agent at a fire point using a fire extinguisher placed in the room to quickly extinguish the fire and simultaneously prevent the spread of the fire. An object of the present invention is to provide a fire extinguisher for the visually impaired, which can prevent the accident of the visually impaired.

In addition, a fire extinguisher manufactured for use by the general public can be used for the visually impaired, and the structure is simple and the installation and disassembly is easy to improve the convenience of use and installation, as well as providing a fire extinguisher for the visually impaired that can reduce manufacturing costs. It has a purpose.

The configuration of the present invention for achieving the above object, when the extinguishing agent is filled with a pressure set inside the main body container 10, and pressing the lever 40 toward the handle 30 with the safety pin 20 removed In the fire extinguisher (1) for the visually impaired, wherein the fire extinguishing agent is sprayed through the injection hose 50 to the outside of the main body container 10, the same direction as the direction in which the fire extinguishing agent is injected from the spray hose 50 is desired. It is installed at the end of the injection hose 50 so as to see the flame detection sensor 100 is formed to detect the flame where the fire occurred, and the flame detection sensor 100 detects the fire, the detected information is wired or It is formed to provide sound information to the visually impaired person through the sound unit 210 provided on one side by being wirelessly transmitted, and the control means 200 and the control means 200 are installed and detachably coupled to the main body container 10. By um When the lever information is provided and the lever 40 is pressed, the flame detection sensor 100 is installed to detect the flame only within a set angle range so that the fire extinguishing agent sprayed from the injection hose 50 is accurately injected to the fire point. It is characterized in that it comprises a sensing region limiting member 300 fixed to the fixing means 400 at the end of the injection hose 50.

Here, the detection area limiting member 300 is made of a circular or elliptical opaque tube into which the flame detection sensor 100 can be fitted, and the angle at which the flame is sensed by the flame detection sensor 100 is 10 ° to 30 degrees. It is preferably formed to form a range.

In addition, when the information detected by the flame detection sensor 100 is installed to be transmitted to the control means 200 by wire, the flame detection sensor 100 and the control means 200 are connected by mutual wires 230, The wire 230 is preferably fixedly installed to the injection hose 50 by clamping means 235 formed to be integrally formed at regular intervals.

In addition, a magnetic force member 250 having a magnetic property is installed on one surface of the control means 200 and is configured to be separable and coupled to the outer surface of the main body container 10.

The fire extinguisher for the visually impaired made of the above configuration,

First, there is an effect that the visually impaired can quickly and accurately locate the fire point and spray the extinguishing agent to quickly extinguish the fire and prevent the spread of the fire.

Second, after spraying the fire extinguishing agent to the fire point, it is possible to use the flame detection sensor to check whether the fire is off properly or to use it as a fire evacuation product.

Third, since it can be easily installed and used in the existing fire extinguisher, the convenience of use and installation increases, but the manufacturing cost can be significantly reduced.

1 is a perspective view showing a fire extinguisher for a blind person according to an embodiment of the present invention,
Figure 2 is a partial cut-away view showing the flame detection sensor of the fire extinguisher for the visually impaired according to an embodiment of the present invention installed on the detection area limiting member,
Figure 3 is a block diagram showing the use of a fire extinguisher for the visually impaired according to an embodiment of the present invention in order,
4 is a perspective view showing a state in which the control means of the visually impaired fire extinguisher according to an embodiment of the present invention is separated from the main body container.

Hereinafter, a fire extinguisher for the visually impaired according to an embodiment of the present invention will be described in detail with reference to FIGS. 1 to 4.

A general fire extinguisher is a fire extinguishing agent having a flame retardant performance and is filled with the pressure set inside the main body container 10, and when the safety pin 20 is removed, pressing the lever 40 toward the handle 30 side extinguishing agent The fire extinguisher for the visually impaired according to an embodiment of the present invention is made to be injected to the outside of the main body container 10 through the injection hose 50, as shown in FIG. 100), the control means 200 and the detection area limiting member 300 further comprises a.

The flame detection sensor 100 is formed to detect the flame in the place where the fire occurred, and is installed to face the same direction as the direction in which the end of the injection hose 50 faces.

Here, the installation position of the flame detection sensor 100 is a position that can detect the fire in the same direction as the injection hose 50, but is not affected by the fire extinguishing agent when the fire extinguishing agent is sprayed from the injection hose 50. , It is preferable to install on the end of the injection hose 50 but not to protrude from the end.

At this time, the flame detection sensor 100 is preferably configured to detect the near-infrared wavelength derived from the flame by the combustion reaction during a fire through an infrared LED and receive an analog or digital signal.

In addition, it is desirable to set the maximum distance that can be detected through the flame detection sensor 100 to be within 3 m, which takes into account that the operating range of the fire extinguisher is 3 m, so that the flame detection sensor 100 detects the flame at the fire point and levers This is to ensure that the extinguishing agent sprayed from the injection hose (50) reaches the point of fire sufficiently when the pressure is pressed (40) to quickly extinguish the fire.

The control means 200 is formed to provide sound information to a visually impaired user through the sound unit 210 provided on one side by receiving information sensed by the flame sensor 100. 200) is preferably installed detachably coupled to the outer surface of one side of the main body container (10).

Here, the sound information provided through the sound unit 210 may inform that a fire is detected through a beeping sound, a warning sound, or an announcement such as a voice message.

At this time, the control means 200 is to receive the information detected by the flame detection sensor 100 in a wired or wireless manner, on one side of the reception of the information transmitted from the flame detection sensor 100 and the acoustic unit 210 The power supply unit 220 for supplying power for operation is formed to be accommodated, and such a power supply unit 220 can be used for both general batteries and rechargeable batteries.

In the accompanying drawings, the flame detection sensor 100 and the control means 200 are illustrated as being connected by wires by wires 230. When connected by wires 230, the wires 230 are fired. It is preferable to form a material having heat resistance so as to prevent thermal damage caused by it.

These wires 230 are fixedly installed by clamping means 235 provided at regular intervals along the longitudinal direction of the wires 230 so as not to interfere with the movement of the spray hose 50 up, down, left, and right In this case, the clamping means 235 is preferably formed to be integral with the wire 230 so as to be easily installed and detached from the injection hose 50 and prevent loss.

In addition, the control means 200 may be provided with a power switch 240 to selectively turn on / off the power supply to the control means 200 by the power supply unit 220 to prevent unnecessary power consumption. , When the power switch 240 is provided, it is preferable to be formed to be guided through the sound unit 210 to confirm that the power is turned on or off.

In addition, the control means 200 is directly fixed to the main body container 10 via a band, clamp, or magnet formed to be adjustable in length, or a separate case provided with a receiving portion capable of accommodating the control means 200 is controlled. It is fixedly installed on the means 200 and can be installed to be accommodated in the case.

The detection area limiting member 300 is installed so that the flame detection sensor 100 can detect the flame only within a set angle range by covering the front and outer portions of the flame detection sensor 100 as shown in FIG. 2. , The reason for installing the detection area limiting member 300 is that the sound information is provided by the control means 200, and when the lever 40 is pressed, the fire extinguishing agent sprayed from the spray hose 50 is exactly the point of fire. This is to ensure that it can be sprayed.

At this time, the detection area limiting member 300 may be fixedly installed on the flame detection sensor 100 using an adhesive, adhesive tape, or clamp, and thus, the detection area limiting member 300 installed on the flame detection sensor 100 Can be installed to be fixed to the end of the injection hose 50 by a fixing means 400, such as a clamp, insulating tape, cable ties.

The fixing means 400 is provided separately and is formed to be detachably attached to the injection hose 50 and the detection area limiting member 300 or is sensed like the clamping means 235 used to fix the wire 230. It may be formed to be integral with the area limiting member 300.

Looking at the effect of the fire extinguisher for the visually impaired consisting of the above configuration is as follows.

First of all, prior to using a fire extinguisher for a visually impaired person according to an embodiment of the present invention, it should basically be preceded by a visually impaired person to be familiar with the location and method of using the fire extinguisher.

The use of the fire extinguisher for the visually impaired is largely made in the order of recognition of fire occurrence, securing of the fire extinguisher, separation of safety pins, identification of fire points, injection of fire extinguishing agents, and fire suppression.

When a fire occurs in a space where the visually impaired person lives, and the fire alarm operates, the visually impaired person finds a fire extinguisher in a fixed position and pulls out a safety pin while the spray hose 50 faces his front. Move down, left and right to find the fire point.

At this time, when the power switch 240 is provided on the control means 200 attached to the main body container 10, the flame detection sensor 100 and the control means 200 are operated by turning on the power switch 240 before pulling out the safety pin. Make it possible.

When the flame detection sensor 100 detects a flame in the process of moving the injection hose 50 to find the fire point, the acoustic unit 210 notifies the visually impaired person through the determined acoustic information.

For the visually impaired, the direction of the spray hose 50 is fixed to the place where the acoustic information is provided by the acoustic unit 210, and then the lever 40 is pressed toward the handle 30 to spray the extinguishing agent. When is sprayed, the spray hose 50 is moved to the left and right as if using a broom.

After sufficiently extinguishing the fire extinguishing agent, release the pressurized state of the lever 40 and check whether the sound information is provided through the sound unit 210 in the vicinity where the extinguishing agent is sprayed. It is judged that the fire was extinguished at the point where the agent was injected.

After determining that the fire has been extinguished at the point where the extinguishing agent was sprayed, it moves to another place and switches the direction of the spraying hose 50, so that the flame detection sensor 100 can detect the extra ember or smeared to another place. Even if the above operation is sufficiently repeated, if the acoustic information is not provided when the acoustic unit 210 detects a fire, the visually impaired person determines that all the fires are extinguished.

When a fire occurs as described above, a blind person can quickly find a fire point using a fire extinguisher and spray fire extinguishing agents accurately to extinguish the fire, thereby quickly extinguishing a fire caused by a blind person. .

In addition, in the case of a fire caused by another person, it can be used for a purpose to safely evacuate from the fire. In this case, after removing the safety pin 20, the flame detection sensor 100 detects the flame located in front of the visually impaired. It is possible to direct the injection hose (50) forward and evacuate while extinguishing the fire by spraying an extinguishing agent whenever the alarm is sounded by the sound unit (210) while moving in the exit direction.

As such, when a fire occurs, the visually impaired can be used for the purpose of extinguishing the fire directly or evacuating it safely, thereby preventing the visually impaired human accident caused by the fire.

On the other hand, the sensing area limiting member 300 is preferably made of a circular or elliptical opaque tube into which the flame detection sensor 100 can be fitted. Thus, the sensing area limiting member 300 is formed of a tube of opaque material. The reason is for the flame detection sensor 100 to accurately detect the flame within a uniform range in all directions.

In addition, the detection area limiting member 300 is preferably formed so that the angle at which the flame is sensed by the flame detection sensor 100 is in the range of 10 ° to 30 °, the detection area limiting member to detect the flame within the angle range. The reason for installing the 300 is as follows.

First, when the angle at which the flame can be detected by the flame detection sensor 100 is less than 10 °, the range for detecting the flame is narrowed to within 40 cm, which takes a long time to find the flame, and, conversely, exceeds 30 °. If this is done, the range of detecting the flame is 1.5 m or more, so it is possible to detect the flame in a short time, but it is difficult to find the fire point accurately, so it is impossible to quickly extinguish the fire by spraying an extinguishing agent in the wrong place.

In addition to this, as shown in FIG. 4, it is preferable that a magnetic member 250 having a magnetic property is installed on one surface of the control means 200, which is quickly and easily applied to the outer surface of the main body container 10 made of metal. Since the control means 200 can be installed and separated, it is intended to be easily installed and used in a new fire extinguisher after separating it from the fire extinguisher after spraying an extinguishing agent as well as an existing fire extinguisher.

As such, the fire extinguisher for the visually impaired according to the present invention can quickly and accurately find a fire point by spraying an extinguishing agent and quickly extinguish the fire, and at the same time prevent the spread of the fire, spray the extinguishing agent to the fire point, After the fire, the flame detection sensor can be used to check whether the fire is off properly or can be used as a fire evacuation device to prevent visually impaired human accidents. In addition, the existing fire extinguisher can be easily installed and used, which increases the convenience of use and installation, while significantly reducing the manufacturing cost.

1: fire extinguisher
10: main body container 20: safety pin
30: handle 40: lever
50: spray hose
100: flame detection sensor
200: control means 210: sound unit
220: power supply 230: electric wire
235: clamping means 240: power switch
250: magnetic force member
300: detection area limiting member
400: fixing means

Claims (4)

When the fire extinguishing agent with flame retardant performance is filled with the pressure set inside the main body container 10, and the lever 40 is pressed toward the handle 30 with the safety pin 20 removed, the fire extinguishing agent is injected into the hose. In the fire extinguisher (1) for the visually impaired is made to be sprayed to the outside of the main body container (10) through (50),
The flame detection sensor 100 is installed at the end of the injection hose 50 so as to face the same direction as the direction in which the fire extinguishing agent is sprayed from the injection hose 50, and is configured to detect the flame in the fire,
When the flame detection sensor 100 detects a fire, the detected information is transmitted by wire or wirelessly, and is formed to provide acoustic information to the visually impaired through the acoustic unit 210 provided at one side. Control means 200 is installed detachably coupled to the,
When the sound information is provided by the control means 200 and the lever 40 is pressed, the flame detection sensor 100 is within a set angle range so that the fire extinguishing agent sprayed from the injection hose 50 is accurately sprayed to the fire point. Fire extinguisher for the visually impaired, characterized in that it comprises a detection area limiting member (300) that is installed to detect the flame only, and is fixed by a fixing means (400) at the end of the injection hose (50).
According to claim 1,
The detection area limiting member 300 is made of a circular or elliptical opaque tube into which the flame detection sensor 100 can be fitted, and the angle at which the flame is sensed by the flame detection sensor 100 is 10 ° to 30 °. Fire extinguisher for the visually impaired, characterized in that formed to form a range.
According to claim 1,
When the information detected by the flame detection sensor 100 is installed to be transmitted to the control means 200 by wire, the flame detection sensor 100 and the control means 200 are connected by mutual wires 230, and Electric wire 230 is a fire extinguisher for the visually impaired, characterized in that fixed to the injection hose 50 by a clamping means 235 formed to be integrally formed at regular intervals.
According to claim 1,
A fire extinguisher for the visually impaired, characterized in that a magnetic member 250 having a magnetic property is installed on one surface of the control means 200 to be separable and coupled to the outer surface of the main body container 10.

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