KR102619893B1 - Waterjet device for extinguishing fire - Google Patents

Abstract

The present invention relates to a fire-centered injection type fire extinguishing device, which includes a coupling member (110) mounted on the side to be connected to a fire extinguishing liquid supply hose (H), a first supply channel (121) provided to communicate with the coupling member (l10), A lower body 100 including an installation space 130 provided therein, and a connector 140 drilled in the installation space 130; The injection part 201 and the rotating part 202 have a dumbbell shape on the outside connected by a connecting part 203, and the rotating part 202 is accommodated in the installation space 130, and the connecting part 203 is connected to the connecting tool ( 140), the upper body 200 is provided with an injection port 220 that is positioned outside the lower body 100 and sprays the internal digestive juice to the outside of the injection unit 201; and a rotating means 300 built in the installation space 130 to rotate the rotating part 202, wherein one end of the rotating means 300 is in communication with the first supply path 121 and the other end is in communication with the first supply path 121. One end is installed to communicate with the second supply path 122 provided in the upper body 200, and includes a soft pipe 350 that expands and contracts while the rotating part 202 rotates, so that after being put into the center of the fire, Fire extinguishing fluid is continuously supplied and sprayed through a fire hose, and once a large fire is extinguished, firefighters are deployed to extinguish the remaining flames, minimizing or preventing safety accidents for firefighters.

Description

Fire-centered injection type fire extinguishing device {Waterjet device for extinguishing fire}

The present invention relates to a device for spraying fire extinguishing liquid, and more specifically, to a fire-centered injection type fire extinguishing device that is mounted on the end of a fire extinguishing liquid supply hose and is thrown or transported to the point where a fire occurs and then sprayed when extinguishing liquid is supplied. It's about.

Generally, when a fire breaks out, sprinklers installed on the ceiling or roof are activated automatically, spray fire using a spray fire extinguisher nearby, spray water using a fire hose from a fire hydrant, or firefighters use a fire hose to extinguish the fire. A variety of fire extinguishing equipment is used, such as spraying fire or throwing fire extinguishers to extinguish the fire.

Here, in the case of a fire extinguisher, hydrant, or fire hose of a fire truck, the fire extinguisher or firefighter holds it by hand and sprays fire extinguishing fluid toward the point of the fire. In addition, fire extinguishers are grabbed by hand and thrown at the spot to put out the fire.

However, fire extinguishers and firefighters are at risk of burns because they stand near high-temperature fires, and are always exposed to the worst risk of injury or death from furniture and interior materials collapsing due to fire.

Also, if a thrown fire extinguisher is manufactured in a small size that can be thrown by a person, the amount of fire extinguishing agent built in is small, so the efficiency in extinguishing the fire is low. If it is manufactured in a large size, a drone is used, and at this time, there is no person to control the drone. There are problems such as needing more.

Republic of Korea Patent No. 10-1853564 (announced on April 30, 2018) Republic of Korea Patent No. 10-1647985 (announced on August 18, 2016) Republic of Korea Open Utility Model No. 20-2013-0002619 (published on May 2, 2013)

The purpose of the present invention, which was devised to solve the above-mentioned problems, is to primarily extinguish fires at dangerous fire points by continuously spraying fire extinguishing liquid supplied through the fire hose after being mounted on a fire hose and thrown at the fire point, The aim is to provide a fire-centered fire extinguishing device that minimizes the risk to firefighters by allowing firefighters to deploy after extinguishing a large fire.

In order to achieve the above-described object, the fire-centered injection type fire extinguishing device according to the first embodiment of the present invention includes a coupling member mounted on the side to be connected to the fire extinguishing liquid supply hose, and a supply path processed internally to communicate with this coupling member. A lower body provided; and a receiving space convexly processed near the bottom of the lower body and provided inside to communicate with the supply path, and the fire extinguishing fluid flowing along the coupling member and the supply path is temporarily accommodated in the receiving space and when it is full, the fire extinguishing fluid It may be comprised of an upper body provided with a plurality of injection nozzles processed to be sprayed to the outside. Here, the lower body can be manufactured in a roly-poly shape where the upper body is larger and heavier and the center of gravity is at the lower part.

Meanwhile, the fire-centered injection type fire extinguishing device according to the second embodiment of the present invention is The bottom is wide and flat, and has a bottom shape with the sides bending upward at a certain height from the edge of the bottom, and the upper surface is open, and the lower body has a coupling member mounted on the side to be connected to the fire extinguishing fluid supply hose; and a concave hemisphere with an open bottom. It has a shape, and the upper body has a receiving space provided inside by combining the lower edge with the side part, and a plurality of injection holes processed to spray the fire extinguishing fluid when the fire extinguishing fluid introduced through the coupling member is temporarily accommodated in the receiving space and is full. This can be done.

Meanwhile, the fire-centered fire extinguishing device according to the third embodiment of the present invention includes a coupling member 110 mounted on the side so as to be connected to the fire extinguishing liquid supply hose (H), and a first coupling member provided to communicate with the coupling member (l10). A lower body 100 including a supply path 121, an installation space 130 provided therein, and a connector 140 drilled in the installation space 130; The injection part 201 and the rotating part 202 have a dumbbell shape on the outside connected by a connecting part 203, and the rotating part 202 is accommodated in the installation space 130, and the connecting part 203 is connected to the connecting tool ( 140), the upper body 200 is provided with an injection port 220 that is positioned outside the lower body 100 and sprays the internal digestive juice to the outside of the injection unit 201; and a rotating means 300 built in the installation space 130 to rotate the rotating part 202, wherein one end of the rotating means 300 is in communication with the first supply path 121 and the other end is in communication with the first supply path 121. It may include a soft pipe 350, one end of which is installed to communicate with the second supply path 122 provided in the upper body 200, and which expands and contracts while the rotating part 202 rotates.
At this time, the first roller touches the side of the rotating part and is operated by the first motor to rotate the rotating part in place, and the second roller touches the lower surface of the rotating part and is operated by the second motor to rotate the rotating part around the fitting part of the connection part and the connector. rotates forward and backward, and the soft tube can expand and contract while the rotating part rotates.

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In addition, the fire extinguishing liquid can be temporarily accommodated in the accommodation space through the fire extinguishing liquid supply hose, the first supply channel, the soft pipe, and the second supply channel, and then be sprayed to the outside through the injection hole when it is full.

Additionally, the lower body may be larger and heavier than the upper body and may be manufactured in a roly-poly shape with the center of gravity at the lower part.

In addition, the injection port may be composed of at least one main injection port with a large diameter so that a large amount of fire extinguishing liquid is sprayed concentrated in one place, and a plurality of small diameter partial injection ports processed around the main injection port so that the fire extinguishing liquid is sprayed over a wide area.

In addition, the upper body may further be equipped with a camera installed in the spray unit to capture the indoor fire situation and output it to the external manager's monitor. At this time, the rotation means can rotate the upper body at various angles so that the camera can acquire indoor fire information.

And based on the fire information acquired by the camera, the rotation means can rotate the upper body to first position the main injection port toward the fire extinguishing point and then intensively extinguish the fire.

As described above, according to the present invention, the lower body connected to the fire hose and the upper body having a plurality of fountains are processed into a roly-poly shape, so that after being put into the center of the fire, fire extinguishing liquid is continuously supplied and sprayed through the fire hose, so that when a large fire is extinguished, firefighters By extinguishing the remaining fire, it has the effect of minimizing or preventing safety accidents for firefighters.

In addition, when thrown or transported to a fire site, fire extinguishing begins from the center rather than the edge of the fire site, making it effective in suppressing the initial fire. This reduces the risk burden on firefighters who have been extinguishing fires in places at risk of collapse. Provides effect.

In addition, the injection port is made up of a main injection port with a large diameter and small diameter sub-nodes located nearby, and when the priority fire extinguishing area is determined, the main injection port is used to extinguish the fire, thereby minimizing accidents such as gas explosions and causing fires. It has the effect of shortening the suppression time.

The following drawings attached to this specification illustrate preferred embodiments of the present invention, and serve to further understand the technical idea of the present invention along with the detailed description of the invention, so the present invention is limited only to the matters described in such drawings. It should not be interpreted as such.
Figure 1 is a perspective view schematically showing a fire-center injection type fire extinguishing device according to a first embodiment of the present invention.
Figure 2 is a cross-sectional view taken along line AA of Figure 1.
Figure 3 is a perspective view schematically showing a fire-center injection type fire extinguishing device according to a second embodiment of the present invention.
Figure 4 is a cross-sectional view taken along line BB of Figure 3.
Figure 5 is a perspective view schematically showing a fire-centered injection type fire extinguishing device according to a third embodiment of the present invention.
Figure 6 is a cross-sectional view taken along line CC of Figure 4.
Figure 7 is a perspective view showing the upper body shown in Figure 6.

Hereinafter, with reference to the attached drawings, preferred embodiments will be described in detail so that those skilled in the art can easily practice the present invention. Additionally, among the configurations mentioned in various embodiments, similar configurations and related configurations in each embodiment may be replaced, replaced, or added. However, when explaining in detail the operating principle of a preferred embodiment of the present invention, if a detailed description of a related known function or configuration is judged to unnecessarily obscure the gist of the present invention, the detailed description will be omitted.

<First embodiment>

Hereinafter, the fire-center injection type fire extinguishing device according to the first embodiment of the present invention will be described in detail with reference to FIGS. 1 and 2.

As shown in FIGS. 1 and 2, the fire-centered injection type fire extinguishing device of the first embodiment may include a lower body 100 and an upper body 200.

Here, the lower body 100 and the upper body 200 may be manufactured separately and fastened to each other to be detachable, or may be manufactured as one piece as shown in FIG. 2. At this time, the lower body 100 and the upper body 200 have an approximate outer shape of a roly-poly shape, and for this reason, when put into a fire point, the upper body 200 is always centered on the lower body 100 and the lower body 100 It can be located near the crest of.

First, the lower body 100 has a spherical shape and can be made larger than the upper body 200. This lower body 100 may be made of a heavy material in order to ensure that the upper body 200 is always positioned on the floor of the lower body 100. At this time, in order to achieve a more efficient center of gravity of the lower body 100, the lower part of the lower body 100 may be made the heaviest to form the center of gravity Wc.

Here, the lower body 100 may be provided with a coupling member 110 fixed to the outer surface, and a supply path 120 processed to pass through the coupling member 110 and the receiving space 210 of the upper body 200. You can. At this time, the coupling member 110 is installed at one end of the supply passage 120 and can be made to be coupled to the fire extinguishing liquid supply hose (H). Therefore, the fire extinguishing fluid supply hose (H) is connected to the coupling member 110, and the fire extinguishing fluid flowing along the fire extinguishing fluid supply hose (H) is supplied to the receiving space 210 through the coupling member 110 and the supply passage 120. It can be.

For example, the fire extinguishing liquid supply hose (H) may be a fire hose of a fire truck, and the fire extinguishing liquid may be fire fighting water continuously supplied through the fire hose (H). Therefore, firefighting water supplied from the fire truck can be continuously supplied through the fire hose.

Finally, the upper body 200 may be made to have a convex shape at the bottom of the lower body 100. Because of this, the overall shape along with the lower body 100 may be shaped like a roly-poly. This upper body 200 may have a receiving space 210 and an injection port 220 therein.

The receiving space 210 is a hollow space inside the upper body 200, is connected to the supply path 120, and can temporarily accommodate the digestive fluid supplied through the supply path 120. This accommodation space 210 can contain fire extinguishing liquid so that the fire extinguishing liquid flowing into one supply passage 120 is discharged through the plurality of injection holes 220.

The injection hole 220 may be a hole through which the fire extinguishing liquid within the accommodation space 210 is sprayed to the outside. When looking at the side cross-section, this injection hole 220 can be made into a roughly straight shape with one end, a middle part, and the other end having the same diameter, as shown in FIG. 1, and a shape in which the middle part has a narrower diameter than one end or the other end, as shown in FIG. 4. It can be made with Here, when the diameter of the middle part is narrow, the flow rate at which the fire extinguishing liquid is discharged can be faster than when it is straight.

<Operation>

Hereinafter, the operation of the fire-centered injection type fire extinguishing device according to the first embodiment of the present invention will be described.

First, the fire extinguishing liquid supply hose (H) is coupled to the coupling member 110, and the spraying device can be thrown or transported to the fire point and placed at the optimal spraying position. At this time, even if the injection device is thrown, the upper body 200 can always be located at the bottom of the lower body 100 due to the roly-poly shape.

Thereafter, when the fire extinguishing liquid is supplied to the fire extinguishing liquid supply hose (H), the fire extinguishing liquid can be supplied to the receiving space 210 of the upper body 200 through the coupling member 110 and the supply passage 120. When the receiving space 210 is full, the fire extinguishing liquid is sprayed in various directions through the plurality of injection nozzles 220, thereby extinguishing the fire.

In this way, if the large fire is extinguished first and then firefighters are deployed to extinguish the remaining fires, it can be very effective in ensuring the safety of firefighters.

<Second Embodiment>

Hereinafter, the fire-center injection type fire extinguishing device according to the second embodiment of the present invention will be described in detail with reference to FIGS. 3 and 4.

As shown in FIGS. 3 and 4, the fire-center injection type fire extinguishing device of the second embodiment may be provided with a lower body 100 and an upper body 200.

First, the lower body 100 has a bottom part 101 with a wide and flat bottom, a side part 102 that is bent upward at the tip of the bottom part 101 and has a certain height, and is shaped like a bowl with an open top surface. You can lose. A coupling member 110 may be fixed to this side portion 102.

At this time, the coupling member 110 may be installed so that one end is connected to the inside of the lower body 100 and the other end is connected to the external fire extinguishing liquid supply hose (H). Therefore, the fire extinguishing liquid flowing from the fire extinguishing liquid supply hose (H) may flow into the interior of the lower body 100 through the coupling member 110.

Finally, the upper body 200 has a hemispherical shape that is hollow and has an open lower surface, and can be made to have multiple machined injection holes 220. This upper body 200 can be coupled to the lower body 100 by fastening the lower part with the lower body 100. At this time, the upper body 200 and the lower body 100 may be detachably fastened to each other using a screw method, or may be firmly fixed and fastened by welding, or may be made as one piece.

In this way, a receiving space 210 can be provided inside by combining the upper body 200 and the lower body 100. The fire extinguishing liquid supplied through the fire extinguishing liquid supply hose (H) and the coupling member 110 of this accommodation space 210 is temporarily accommodated, and when the accommodation space 210 is full of fire extinguishing liquid, a large amount is discharged through a plurality of nozzles 220. The extinguishing fluid can be continuously sprayed in various directions.

Additionally, the injection hole 220 may be a hole through which the fire extinguishing liquid within the accommodation space 210 is sprayed to the outside. When looking at the side cross-section, this injection hole 220 can be made into a roughly single-shaped shape in which the first, middle, and other ends have the same diameter, and the middle part can be made in a shape that has a narrower diameter than one end or the other end. Here, when the diameter of the middle portion is narrow, the flow rate at which the fire extinguishing liquid is discharged can be faster than when it is straight.

These lower body 100 and upper body 200 are easier to make and cheaper to manufacture than the roly-poly shape of the first embodiment, and in particular, the area in contact with the ground is large, so they can maintain a stable installed position even under high pressure at which fire extinguishing fluid is supplied. there is.

<Operation>

Hereinafter, the operation of the fire-centered injection type fire extinguishing device according to the second embodiment of the present invention will be described.

First, the fire extinguishing liquid supply hose (H) is coupled to the coupling member 110, and the spray device can be thrown or transported to the fire point and placed at the optimal spray position. At this time, even if the injection device is thrown and turned over, when the fire extinguishing liquid is sprayed from the injection port 220, the upper body 200 can be returned to its original position on the lower body 100 by the injection force.

Thereafter, when the fire extinguishing liquid is supplied to the fire extinguishing liquid supply hose (H), the fire extinguishing liquid may be supplied to the receiving space 210 through the coupling member 110. When the receiving space 210 is full, the fire extinguishing liquid can be sprayed to the outside through a plurality of injection nozzles 220. Thereby, the fire can be extinguished.

<Third embodiment>

Hereinafter, the fire-center injection type fire extinguishing device according to the third embodiment of the present invention will be described in detail with reference to FIGS. 5 to 7.

As shown in FIGS. 5 and 6, the fire-center injection type fire extinguishing device of the third embodiment may include a lower body 100, an upper body 200, and a rotating means 300. Here, the lower body 100 and the upper body 200 are manufactured separately and fastened to each other to be detachable, and the overall external shape may be roughly in the shape of a roly-poly.

First, the lower body 100 has a spherical shape, and in order to ensure that the upper body 200 is always located near the crest of the lower body 100, the lower part that touches the ground is made the heaviest to become the center of gravity (Wc). You can. Therefore, even if thrown, the center of gravity (Wc) is located near the ground, so the upper body 200 can always be located near the ridge of the lower body 100.

In addition, the lower body 100 is internal, and the upper part connected to the upper body 200 has an installation space 130 provided to accommodate the rotation means 300, and an installation space so that the connection part 203 of the upper body 200 is inserted. It may be provided with a connector 140 drilled in 130, a coupling member 110 fixed to the outer surface, and a first supply path 121 processed from the coupling member 110 to the installation space 130.

As shown in FIG. 6, the connector 140 may be a hole machined near the floor of the lower body 100 and on the ceiling of the installation space 130. The connector 140 of the upper body 200 is inserted into this connector 140, and the forward and backward axis rotations of the injection unit 201 and the rotation unit 202 move in opposite directions or rotate in place around this portion. It can be. At this time, the rotating part 202 can be rotated forward and backward and left and right in place by the rotation means 300, and a detailed description of this will be described later.

In addition, the connector 140 may be equipped with sealing and shock-absorbing members to absorb shock while sealing the gap with the connector 140, and members such as bearings to smoothly rotate the upper body 200 forward and backward and in place. there is.

Next, as shown in FIGS. 6 and 7, the upper body 200 has an upper injection portion 201, a lower rotating portion 202, and a connection portion 203 connecting the injection portion 201 and the rotating portion 202. ) can be achieved. This upper body 200 may be roughly dumbbell-shaped, with a large injection unit 201 and a small rotating unit 202.

The spray unit 201 may be designed to temporarily store the fire extinguishing liquid and then spray it to the outside. For this purpose, the injection unit 201 may be made to have a larger diameter than the rotating unit 202, and may be provided with a receiving space 210 provided to temporarily store the fire extinguishing liquid therein, and a plurality of machined injection holes 220.

Here, as shown in FIG. 6, the receiving space 210 is a hollow space inside the injection unit 201 and is connected to the second supply passage 122 of the rotating unit 202, and the second supply passage 122 The digestive juice supplied through can be temporarily accommodated. Accordingly, when the receiving space 210 is full of fire extinguishing liquid, it can be sprayed to the outside through the injection port 220.

In addition, as shown in FIG. 7, the injection port 220 may include one main injection port 221 with the largest diameter and a plurality of other partial injection ports 222. At this time, the main injection port 221 can create a large water stream and spray a large amount of fire extinguishing liquid. This is to prevent the fire from spreading further to the area where the fire is burning most intensely or to a point at risk of explosion, or to extinguish the fire in a short period of time by spraying a large amount of fire extinguishing liquid concentrated on the area that needs to be put out urgently. In addition, the partial injection openings 222 are smaller than the diameter of the main injection opening 221, but can spray enough fire extinguishing liquid to extinguish the fire in various directions. This partial injection port 222 can be processed to spray fire extinguishing liquid to surrounding areas other than the spray range of the main injection port 221, including the ceiling.

As shown in FIGS. 6 and 7, the rotating part 202 rotates back and forth or rotates left and right about the coupling portion of the connector 140 and the connecting part 203 by the rotating means 300, and ultimately, The four parts 201 move in conjunction with each other, which allows the fire extinguishing liquid sprayed from the main injection port 221 to be sprayed at various angles up, down, left, and right. This rotating part 202 is made approximately dumbbell-shaped and smaller than the spraying part 201 through a connection part 203 at the lower part of the spraying part 201, and is located in the installation space 130 of the lower body 100. can be placed.

As shown in FIGS. 6 and 7, the connecting portion 203 is a portion that connects the spraying portion 201 and the rotating portion 202. The connecting portion 203 may have a concave center portion on the side and an elongated shape up and down. This connection part 203 can be installed by inserting it into the connector 140. Accordingly, the rotating part 202 and the spraying part 201 can rotate forward and backward or rotate left and right about the mounting portion of the connecting part 203 and the connector 140.

In addition, the connection portion 203 and the rotating portion 202 may be provided with a second supply passage 122 processed to communicate with the soft pipe 350 mounted at the end of the first supply passage 121 and the receiving space 210. there is. Therefore, the fire extinguishing liquid flowing in through the fire extinguishing liquid supply hose (H) and the soft pipe 350 can be supplied to the receiving space 210 through the second supply passage 122.

Meanwhile, the upper body 200 may be equipped with a camera 230 installed on the spray unit 210 to photograph the outside. This camera 230 can be mounted on the spray unit 201 to capture images of the outside and output them to a monitor managed by firefighters. Therefore, when the spraying unit 201 moves forward, backward, left, and right by the rotating means 300 and the rotating part 202, the camera 230 shoots at various angles, and at this time, it is exposed to strong fire or places with a risk of explosion. etc., and by adjusting the angle of the main injection port 221, the fire can be extinguished preferentially from the point where a large amount of fire extinguishing fluid is urgently needed.

Finally, the rotation means 300 is built into the installation space 130 provided at the upper part of the lower body 100, and can be installed to rotate the rotating part 202 forward and backward or to rotate it left and right. For this purpose, the rotating means 300 may be provided with a first roller 310, a first motor 320, a second roller 330, a second motor 340, and a soft pipe 350.

The first roller 310 rotates by the first motor 320 and may be installed to contact the side of the rotating unit 202. Therefore, when the first roller 310 rotates, the rotating part 202 can also rotate left and right.

The second roller 330 rotates by the second motor 340 and may be installed to contact the lower surface of the rotating unit 202. Therefore, when the second roller 330 rotates, the rotating part 202 can rotate forward and backward. At this time, the axial rotation of the rotating part 202 may be performed around the axis where the connecting part 203 of the rotating part 202 and the connector 140 are fitted.

The soft pipe 350 may be installed in the installation space 130 by connecting the first supply passage 121 and the second supply passage 122. This soft pipe 350 may be made of a material that can be stretched or shrunk, like rubber, for example. Accordingly, the soft pipe 350 may be extended or decreased depending on the shaft rotation angle when the rotating part 202 rotates forward and backward and rotates left and right.

<Operation>

Hereinafter, the operation of the fire-centered injection type fire extinguishing device according to the third embodiment will be described.

First, the fire extinguishing liquid supply hose (H) and the coupling member 110 are combined, and can be transported and placed at the fire point. At this time, the injection device may be positioned near the top of the upper body 200 of the lower body 100 by the center of gravity Wc of the lower body 100.

Afterwards, when the fire extinguishing liquid is supplied to the fire extinguishing liquid supply hose (H), the upper body 200 is accommodated through the coupling member 110, the first supply passage 121, the soft pipe 350, and the second supply passage 122. It may be supplied to space 210. The digestive fluid filled in this receiving space 210 can be sprayed to the outside through the main injection port 221 and the partial injection port 222.

Here, the spraying unit 201 moves at various angles through the rotating means 300 and the rotating part 202 to the point where the fire must be extinguished first, such as a place where the fire is strong or where there is a risk of explosion, through the camera 230. becomes possible to understand. Based on this information, the angle of the main injection port 221 is adjusted through the rotation means 300, and then a large amount of fire extinguishing liquid can be sprayed to the area where the fire needs to be extinguished first.

As described above, a person skilled in the art to which the present invention pertains will understand that the present invention can be implemented in other specific forms without changing its technical idea or essential features. Therefore, the above-described embodiments should be understood in all respects as illustrative and not restrictive. The scope of the present invention is indicated by the patent registration claims described later rather than the detailed description, and all changes or modified forms derived from the meaning and scope of the patent registration claims and the equivalent concept should be interpreted as being included in the scope of the present invention. do.

100: Lower body
101: Bottom 102: Side
110: Coupling member 120: Supply channel
121: 1st supply route 122: 2nd supply route
130: Installation space 140: Connector.
200: Upper body
201: injection unit 202: rotating unit
203 Connection 210: Receiving space
220: Nozzle 230: Camera.
300: Rotation means
310: first roller 320: first motor
330: Second roller 340: Second motor
350: Soft pipe.
Wc::Center of gravity H:Digestive fluid supply hose.

Claims (6)

delete delete A coupling member 110 mounted on the side to be connected to the fire extinguishing liquid supply hose (H), a first supply passage 121 provided to communicate with the coupling member 110, an installation space 130 provided therein, and the installation space. A lower body 100 including a connector 140 perforated at 130;
The injection part 201 and the rotating part 202 have a dumbbell shape on the outside connected by a connecting part 203, and the rotating part 202 is accommodated in the installation space 130, and the connecting part 203 is connected to the connecting tool ( 140), the upper body 200 is provided with an injection port 220 that is positioned outside the lower body 100 and sprays the internal digestive juice to the outside of the injection unit 201; and
A rotating means (300) built in the installation space (130) to rotate the rotating part (202),
The rotation means 300 is installed so that one end communicates with the first supply passage 121 and the other end communicates with the second supply passage 122 provided in the upper body 200, and the rotation unit 202 Includes a soft pipe 350 that expands and contracts while rotating,
After the fire extinguishing liquid is temporarily accommodated in the receiving space 210 through the fire extinguishing liquid supply hose (H), the first supply passage 121, the soft pipe 350, and the second supply passage 122, the nozzle 220 is filled. ) is sprayed to the outside through
A fire-centered injection type fire extinguishing device in which the lower body 100 is larger and heavier than the upper body 200 and has a roly-poly shape with the center of gravity at the lower part.
In claim 3,
The injection port 220 has at least one main injection port 221 with a large diameter so that a large amount of fire extinguishing liquid is sprayed concentrated in one place, and a plurality of small diameters processed around the main injection port 221 so that the fire extinguishing liquid is sprayed over a wide area. A fire-centered injection type fire extinguishing device consisting of a partial fire extinguisher (222).
In claim 4,
The upper body 200 further includes a camera 230 installed on the spray unit 201 to capture the indoor fire situation and output it to the external manager's monitor,
A fire-centered fire extinguishing device in which the rotation means (300) rotates the upper body (200) at various angles so that the camera (230) acquires indoor fire information.
In claim 5,
Based on the fire information acquired by the camera 230, the rotation means 300 rotates the upper body 200 to first position the main injection port 221 toward the extinguishing point and then intensively extinguish the fire. Device.

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