JPH06292737A - Automatic fire extinguishing appliance - Google Patents

Abstract

PURPOSE:To provide an automatic fire extinguishing appliance having a mounted tank section, capable of being used as a simplified automatic fire extinguishing apparatus, and capable of being manually used for extinguishing a fire in emergency. CONSTITUTION:This automatic fire extinguishing appliance is provided with a tank section feeding a fire extinguisher to the nozzle section of a nozzle mechanism section. The tank section is provided with a pressure tank 2 filled with the compressed air for pressurizing the fire extinguisher and a fire extinguisher tank 3 filled with the fire extinguisher and communicated with the pressure tank 2 via a communication section in a cabinet 1, and a hose connecting tube 6 to be connected to the nozzle section side of the nozzle mechanism section is fitted to one outlet section of the fire extinguisher tank 3. A manual hose 9 provided with a nozzle 10 having a handy opening/closing valve section at the tip section is connected to the tank section.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a simple automatic fire extinguisher installed in a home kitchen or the like.

[0002]

2. Description of the Related Art As a conventional automatic fire extinguisher of this type, there is one disclosed in Japanese Utility Model Laid-Open No. 1-72263. This disclosed technique is applied to the housing 8 as shown in FIGS. 22 and 23.
A container 83 accommodating the fire-extinguishing water 81 and the pressurized gas 82 is provided in 0, an electromagnetic valve 84 is provided at the outlet side of the container 83, and a sprinkler head is provided at the end of a pipe 85 connected to the electromagnetic valve 84. 86 and a fire detector 87 are provided. When the fire detector 87 detects temperature (heat) or smoke, and the detected value exceeds a certain level, the solenoid valve 84 is opened to open the sprinkler head 8. I was trying to spray water from it.

[0003]

However, the fire detection in the above-described conventional automatic fire extinguishing apparatus is performed by temperature (heat) or smoke, and the fire detector 87 detects the temperature and the smoke is detected by the smoke detection. , The fire detection is slow, and the fire detection level varies depending on the location, and the automatic fire extinguisher will not operate unless the flame becomes large enough in the corner of the room. Since it is a full-face water discharge type and a tank system, it cannot obtain a sufficient water spray density against a flame, has a small flow rate, is inferior in fire extinguishing ability, and is difficult to dispose of. If a person notices it when the flame is small enough and performs an emergency operation, the entire surface will be sprayed with water and the water damage will be large, and since the watering density will be small, there is a problem that quick fire extinguishment may not be possible and there is a danger of panic.

The present invention was made in view of the above problems, and a first object of the present invention is to make a tank part stationary so that it can function as a simple automatic fire extinguishing device. It is to provide an automatic fire extinguisher that can.

A second object of the present invention is to grab this hand-operated hose by hand and feed it out in case of emergency.
An object of the present invention is to provide an automatic fire extinguisher capable of extinguishing a fire by intensively discharging a fire extinguishing agent from a nozzle by opening the on-off valve part at hand, and having a high fire extinguishing ability.

A third object of the present invention is to provide an automatic fire extinguisher capable of easily enclosing a pressurized gas and a fire extinguishing agent.

A fourth object of the present invention is to provide an automatic fire extinguisher which allows a tank to be installed in a corner of a room and can be installed in a small room (kitchen). To provide.

[0008]

In order to achieve the above-mentioned first object, an automatic fire extinguisher according to the present invention has a tank section for supplying a fire extinguishing agent to a nozzle section of a nozzle mechanism section. The inside of the housing contains a pressurized tank filled with pressurized air for pressurizing the extinguishant, and an extinguishant tank filled with the extinguishant that is communicated with the pressurized tank via a communication part, and the extinguishing agent is stored. A hose connecting pipe connected to the nozzle portion side of the nozzle mechanism portion via a pipe is attached to one outlet portion of the agent tank.

In order to achieve the above-mentioned second object, the automatic fire extinguisher of the present invention has a tank portion for supplying the extinguishing agent to the nozzle portion of the nozzle mechanism portion, and this tank portion is
The extinguishant tank, which contains a pressurized tank filled with pressurized air for pressurizing the extinguishant, and an extinguishant tank filled with the extinguishant, which is communicated with the pressurized tank via a communication portion, are housed in the housing. One of the outlets is configured by attaching a hose connecting pipe connected to the nozzle side of the nozzle mechanism through a pipe, and connecting a manual hose to the other outlet of the extinguishant tank, It is characterized in that a nozzle having an on-off valve at the hand is attached to the tip of the manual hose, and the manual hose is housed in a casing in a wound state.

In order to achieve the above-mentioned third object, the automatic fire extinguisher of the present invention is defined by claim 1 or claim 2.
In the automatic fire extinguisher described above, openings are provided in the housing near the respective inlets of the pressurized tank and the extinguishant tank provided in the housing, and doors are provided at these openings.

In order to achieve the above-mentioned fourth object, the automatic fire extinguisher of the present invention is defined by claim 1 or claim 2.
In the described automatic fire extinguisher, the housing has a corner that matches a corner of the room.

[0012]

According to the automatic fire extinguisher of the present invention, the tank portion of the automatic fire extinguisher is of a stationary type and can function as a simple automatic fire extinguisher.

Further, according to the automatic fire extinguisher of the present invention, since the manual hose having the nozzle having the on-off valve at the end is attached to the tip end, in an emergency, the operator manually grasps the nozzle part and manually Fire extinguishing agent can be extinguished by intensively discharging the fire extinguishing agent from the nozzle by opening the on-off valve at the front and opening the on-off valve.

Further, according to the automatic fire extinguisher of the present invention, the housing is provided with openings located near the respective inlets of the pressurized tank and the extinguishant tank, and the doors are provided at these openings. Therefore, the pressurized gas and the extinguishant can be easily enclosed by opening the door.

Further, according to the automatic fire extinguisher of the present invention, since the housing has the corners matching the corners of the room, the tank can be installed in the corner of the room. It can also be installed in a small room (kitchen).

[0016]

Embodiments of the present invention will be described below with reference to the drawings. 1 is an explanatory view of the entire structure of an automatic fire extinguisher according to the present invention, FIG. 2 is a perspective view of a tank portion of the automatic fire extinguisher, FIG. 3 is a perspective view of a nozzle mechanism of the automatic fire extinguisher, and FIG. 4 is the nozzle. 4 is a longitudinal sectional view of the mechanism, FIG. 5 is a sectional view taken along line VV-V in FIG. 4, FIG. 6 is a sectional view taken along line WW-W in FIG. 4, and FIG.
A sectional view taken along the line X, FIG. 8 is a sectional view taken along the line Y-Y in FIG.
FIG. 9 is a block diagram of a control circuit of the automatic fire extinguisher according to the present invention.

The automatic fire extinguisher according to the present invention comprises a tank section A, a nozzle mechanism section B, a control section C, and a pipe section D connecting the tank section A and the nozzle mechanism section B. Then, the tank portion A has a housing 1, and this housing 1 has a right-angled portion 1a at its rear part so that it can be installed in a corner portion of a room as shown in FIG. It is open. Doors 1c and 1d that open to the left and right sides are provided in the opening 1b on the left and right. Inside the housing 1, a pressure tank 2 filled with pressurized air for pressurizing the extinguishant and an extinguishant tank 3 filled with the extinguishant at the bottom are respectively housed.
The pressure tank 2 and the fire extinguishing agent tank 3 are communicated with each other through a communication pipe 4 which is a communication portion, and the communication pipe 4 is provided with a pressure tank opening valve 5. A hose connecting pipe 6 is attached to one outlet (not shown) of the extinguishant tank 3, and the hose connecting pipe 6 penetrates the upper surface of the housing 1. A manual hose 9 is connected to the other outlet 3a of the fire extinguishing agent tank 3.
A nozzle 10 having an on-off valve portion (not shown) is attached to the tip of the, and the manual hose 9 is housed in the housing 1 in a wound state.

The nozzle mechanism B is provided on the ceiling E of the room. As shown in FIGS. 3 to 8, the nozzle mechanism portion B includes a base portion 12 and a head portion 70 which is held by the base portion 12 and swivels.
Is provided with a mounting frame 13 on its upper part, and the mounting plate 1 is mounted on the mounting frame 13 via a plurality of connecting members 14.
5 is stuck. The mounting plate 15 is formed with a circular arc-shaped hole 15a having its center as the center. The periphery of the base portion 12 is covered with the cover 43,
On the lower peripheral portion of the cover 43, the inclined portion 4 that inclines inward
3a is formed.

The mounting plate 15 has a gear box 1
6 is fixedly attached to the gear box 16. A revolving motor 17 capable of reversing the revolving drive unit is fixedly attached together with a speed reducer 18 attached to the revolving motor, and an output shaft 19 of the speed reducer 18 has a gear. 20 is stuck. A gear 22 is fixed to the output shaft 21 of the gear box 16.
Meshes with the gear 20. A mounting flange portion 23 is provided at the lower end of the output shaft 21.

The head portion 70 is provided on the mounting flange portion 23. The head portion 70 is provided with a disc body 24 fixed to the mounting flange portion 23 at the center thereof, and the rotation center P of the output shaft 19 is sandwiched between the lower face portion of the disc body 24. Support portions 25 and 26 are provided on the left and right, and a recess 27 is formed between the support portions 25 and 26 along the radial direction of the disc body 24.

A swivel joint 28 is attached to the attachment frame 13 of the base portion 12 on the rotation center P of the output shaft 19 with its rotation axis a aligned with each other. Is the connecting pipe 30
One end of is connected. One end of the upper intermediate connecting pipe 32 is connected to the outlet side of the movable portion 31 of the swivel joint 28, and the intermediate connecting pipe 32 is horizontal. One connecting side of the lower intermediate connecting tube 33 is connected to the other connecting side of the intermediate connecting tube 32. The intermediate connecting pipe 33 is vertical.

A support portion 25 on the left side of the lower surface portion of the disc body 24.
Is provided with a swivel joint 34 horizontally, and the fixed portion 35 of the swivel joint 34 is fixed to the support portion 25.
Inside, the movable part 36 crosses the recess 27,
The end of the movable portion 36 is rotatably inserted in the right support portion 26. An angle motor 37 of a swing drive unit is housed and fixed in the support unit 26, and an output shaft 39 of a speed reducer 38 attached to the angle motor 37 is provided at an insertion end of a movable unit 36 of a swivel joint 34. It is connected to the department. In addition, the fixed portion 35 of the swivel joint 34
The other connection side of the intermediate connection pipe 33 is connected to the connection side of the.

The movable portion 36 of the swivel joint 34
A nozzle portion 40 is connected to. In addition, this movable part 3
A nozzle cover 41 is attached to the nozzle cover 6, and the movable flame sensor 42 directs its direction to the nozzle portion 4
It is attached in the same direction as 0.

The control section C includes the movable flame sensor 42,
Four fixed flame sensors S1, S2, S3, S4, a temperature sensor 49, a smoke sensor 50, a swivel encoder 45 and an angle encoder 48 are provided, and the four fixed flame sensors S
1, S2, S3, and S4 are inclined portions 43a of the cover 43.
They are fixed by shifting the phase by 90 degrees. The movable flame sensor 42 and the fixed flame sensors S1, S2, S3, S4
Is a voltage or pulse output directly with respect to the size of the flame (radiation intensity of the light beam). The temperature sensor 49 and the smoke sensor 50 are provided on the ceiling E. The temperature sensor 49 outputs a voltage directly to the temperature, and the smoke sensor 50 outputs a voltage directly to the amount of smoke.

A rotary encoder 45 for detecting the orientation of the nozzle portion 40 is provided on the mounting plate 15. The turning encoder 45 includes a main scale 46 provided on the peripheral portion of the disc body 24, and a large number of slits (not shown) are formed at regular intervals in the main scale 46. is there. The mounting plate 15 is provided with a light emitting portion and a light receiving portion (both not shown). Also,
An angle encoder 48 for detecting the angle of the nozzle 40 is provided on the support portion 26.

The pipe section D has a pipe 47, and an extinguishant tank opening valve 60 is provided in the pipe 47.
One end of 7 is connected to the hose connecting pipe 6 of the tank portion A via a hose 61, and the other end of the pipe 47 is connected to the connecting pipe 30 of the nozzle mechanism portion B.

FIG. 9 shows a block diagram of the control circuit of the control section C. The control circuit includes a microcomputer 54. The microcomputer 54 includes a storage unit 57a, a calculation unit 57, a control unit 59, and A / D converters 51a, 52a, 53a connected to the calculation unit 57. And the temperature sensor 49, the smoke sensor 50 and the movable flame sensor 42 are respectively provided with amplifiers 51, 52 and 53.
Through the A / D converter 51 of the microcomputer 54.
It is connected to the input side of a, 52a, 53a. The fixed flame sensors S1, S2, S3 and S4 are multiplexers 57.
Is connected to the input side of the comparator 58 via
The output side of 8 is connected to the input side of the control unit 59 of the microcomputer 54. Further, the turning encoder 45 and the angle encoder 48 are connected to the input side of the control unit 59. Further, a controller 61 is connected to the input side of the control unit 59 for inputting the information captured by the movable flame sensor 42, that is, the size, width, height, etc. of the flame to the control unit 59.

Control unit 59 of microcomputer 54
Are the sensors 42, 49, 50, S1, S2, S
3, based on the input signal from S4, the control output signal to the swing motor 18, the control output signal to the angle motor 37, the control output signal to the pressurized tank release valve 5, the control output to the fire extinguishant tank release valve 60. It outputs a signal and a control output signal to a buzzer (not shown), and exchanges communication control input / output with a communication partner.

Next, the operation of the automatic fire-extinguishing device configured as described above will be described. In this operation, each operation of a fire determination, a fire position determination, a fire size determination, a control of the nozzle unit 40, and a fire extinguishing is performed.

As shown in the flow chart of FIG. 10, the turning motor 18 and the angle motor 37 are in the state of returning to the origin, the head portion 70 is located at the origin, and
The nozzle unit 40 is also located at the origin (step S10).
1). In this state, empty data transmission (normal data transmission) is performed, and when the temperature sensor 49, smoke sensor 50, and movable flame sensor 42 do not detect an abnormality, empty data transmission is performed again (step S102).

When a fire occurs at a certain position in the room (kitchen), the temperature abnormality in the fire is detected by the temperature sensor 49, the smoke state is detected by the smoke sensor 50, and the flame is detected by the movable flame sensor 42. Each is input (step S103).
Then, the temperature sensor 49, the smoke sensor 50, the movable flame sensor 42, and the emergency switch 71 each detect an abnormality, or when any of them detects an abnormality (step S104), (step S105), (step S105). S106), (step S107), each sensor 4
The outputs of 9, 50, and 42 are input to the microcomputer 54, and the A / D converters 51a, 52a, and 53a output A signals.
The data is D-converted, and the storage unit 57a reads and stores data in a certain period. Then, the calculation unit 57 subtracts the n-1th data and the nth data of the stored data as shown in FIG. 12, and the differences, that is, the temperature sensor increase amount ΔT, the smoke sensor increase amount ΔV, and the flame sensor increase amount. The quantity ΔH is determined. Then, when the A-D converted data exceeds the reference value, when the temperature sensor increase amount ΔT, the smoke sensor increase amount ΔV, the flame sensor increase amount ΔH exceeds the reference value, or from each information, fuzzy reasoning, etc. Is used for comprehensive estimation and judgment of fire.

When a fire is detected in this way, the fire detection data is transmitted from the control unit 59 of the microcomputer 54 (step S108), and the buzzer is issued (step S109). The subsequent operation will be described in detail with reference to the flow shown in FIG. 11, but generally, as shown in the flow in FIG. 10, the four fixed flame sensors S1, S2, S3,
S4 scans, detects the flame (step S110),
The location of the fire is arbitrated (step S111), and the nozzle portion 40 is turned to the arbitrated fire (step S11).
2), the moving flame sensor 42 scans (step S11
3), the center of the fire is detected (step S114). When it is detected that the fire is extinguished, the process returns to step S101. When it is detected that the fire has not been extinguished, water is discharged for 2 minutes (step S115), and the moving flame sensor 42 again searches for whether the fire has been extinguished (step S1).
16), if it is detected that the fire is extinguished, step S1
Return to 01. When it is detected that the fire has not been extinguished (step S117), water is discharged for 1 minute, and the fire is extinguished again (step S118).

Steps S110 to S114
The details of the operation will be described with reference to the flow of FIG. The outputs of the four fixed flame sensors S1, S2, S3, S4 enter the comparator 58 via the multiplexer 57, and the area ~ is estimated.

That is, as shown in FIG. 13 (1), the fixed flame sensors S1, S2, S3 and S4 are located in each of the four divided areas of the room. The area is the shaded portion in FIG. 13 (1), the area is the shaded portion in FIG. 13 (2), the area is the shaded portion in FIG. 13 (3), and the area is FIG.
This is the portion indicated by diagonal lines in (4). Also, the area is shown in Figure 1.
3 (5) is a hatched portion, and the area is shown in FIG.
The area is shown by the diagonal lines in (6), and the area is shown in FIG.
(7) is a hatched portion, and the area is shown in FIG.
This is the portion shown by hatching in (8).

Then, as shown in (Table 1), the area is estimated by the fixed flame sensor S1 out of the four fixed flame sensors S1, S2, S3, and S4 being "large" and the other fixed flame sensor S2. , S3, S4 are determined to be "small". The area is estimated by four fixed flame sensors S1 and S.
Of the 2, S3, S4, the output of the fixed flame sensor S2 is "large"
It is when the outputs of the other fixed flame sensors S1, S3, S4 are determined to be "small". The area is estimated by the fixed flame sensor S among the four fixed flame sensors S1, S2, S3, and S4.
The output of 3 is "large" and other fixed flame sensors S1, S2, S4
Is determined to be “small”. In the area estimation, it is determined that the output of the fixed flame sensor S4 of the four fixed flame sensors S1, S2, S3, S4 is “large” and the output of the other fixed flame sensors S1, S2, S3 is “small”. It's time to go.

Further, the area estimation is performed by using the fixed flame sensor S1, S4, S3, S4 among the four fixed flame sensors S1, S2, S3, S4.
This is when it is determined that the output of S2 is "medium" and the outputs of the other fixed flame sensors S3 and S4 are "small". In the area estimation, it is determined that the outputs of the fixed flame sensors S2, S3 of the four fixed flame sensors S1, S2, S3, S4 are "medium" and the outputs of the other fixed flame sensors S1, S4 are "small". It's time to go. The area is estimated by four fixed flame sensors S1 and S.
This is when it is determined that the outputs of the fixed flame sensors S3 and S4 out of 2, S3 and S4 are "medium" and the outputs of the other fixed flame sensors S1 and S2 are "small". The area is estimated by the fixed flame sensor S among the four fixed flame sensors S1, S2, S3, and S4.
Outputs of 1 and S4 are "medium", and other fixed flame sensors S2 and S3
Is determined to be “small”. Further, the area estimation is based on four fixed flame sensors S1, S2, S3,
This is when it is determined that all the outputs of S4 are "large".

[0037]

[Table 1] As described above, when it is determined that the fire occurrence location is one of the areas 1 to 3 (step S20).
1) This data is fetched by the control unit 59 and the fire origin position and the fire situation (size) are estimated. That is, the control unit 59 outputs a control signal to the turning motor 17 and the angle motor 37 based on the data. Therefore, the turning motor 17 is driven (step S20).
2) The output shaft 21 rotates via the gear 20 and the gear 22 of the decelerator 18, and the head portion 70 turns. The turning of the head portion 70 is performed on the rotation center P of the output shaft 21, that is, about the axis line, and the axis line a of the movable section 31 of the swivel joint 28 is aligned with this axis line. The intermediate connecting pipes 32, 33 swivel. Further, the turning of the head portion 70 is performed every 45 degrees, and the turning of the head portion 70 causes the main scale 46 of the turning encoder 45 to rotate.

Further, the angle motor 37 is driven (step S203), the movable portion 36 of the swivel joint 34 is rotated, and the nozzle portion 40 is vertically rotated at intervals of 30 degrees. Therefore, the movement of the nozzle portion 40 is rotated upward by 15 degrees from the vertical state and rotated by 45 degrees in the horizontal direction, and then rotated by 30 degrees in the upward direction and then by (-) 4 in the horizontal direction.
Turn 5 degrees (return), then turn 30 degrees upward and turn 45 degrees horizontally. A main scale (not shown) of the angle encoder 48 is rotated by the rotation of the movable portion 36.

The movable flame sensor 40 detects the flame R by the above movement (turning of the head portion 70) (step S20).
4), the detection unit (light emitting unit and light receiving unit) of the turning encoder 45 starts counting the slits of the main scale 46 (step S205). That is, as shown in FIG. 14, pulse counting starts from the time a when the turning encoder 45 detects the flame R, and the time b when the flame R cannot be detected.
Then, the counting ends (step S206). Then, the microcomputer 53 stores this count number.

The above movement (swivel joint 3
When the movable flame sensor 40 detects the flame R (step S204), the movable flame sensor 40 is rotated by the movable portion 36 of FIG. Start counting the slits of the scale (step S205). That is, as shown in FIG. 15, pulse counting is started at the time d when the angle encoder 48 detects the flame R, the pulse counting is continued (step S206), and the counting is finished at the time e when the flame R cannot be detected ( Step S207). And
The microcomputer 53 stores this count number. When the movable flame sensor 40 does not detect the flame R in step S204, the process returns to step S202. If the flame R is still detected in step S207, step S207
Return to 206.

The microcomputer 53 uses the turning motor 17 and the angle motor 37 based on the count number.
To control. By the control of the turning motor 17, the head portion 70 is turned to a position corresponding to half of the count number, and the nozzle portion 40 is positioned on the vertical line Q passing through the central portion O of the flame R as shown in FIG. . Further, by controlling the angle motor 37, the nozzle portion 40 is rotated to a position corresponding to half of the count number, and the nozzle portion 40 is moved to the position shown in FIG.
As shown in FIG. 6, the central portion O of the flame R is directed (step S
208).

Next, the microcomputer 53 outputs a pressure tank release valve control signal, and the pressure tank release valve 5 is output.
Is released (step S209). For this purpose, pressurized air is introduced into the extinguishant tank 3. Further, the microcomputer 53 outputs the extinguishant tank release valve control signal, and the extinguishant tank release valve 60 is opened (step S210). For this reason, the water (extinguishing agent) is filled with the hose 61,
Pipe 47, connecting pipe 30, swivel joint 28, intermediate connecting pipe 32, intermediate connecting pipe 33, swivel joint 34
It is pressure-fed to the nozzle part 40 via and the water is ejected to the central part O of the flame R to extinguish the fire. When the extinguishment is completed, the nozzle 40 returns to the origin (step S211).

Further, pulse counting is started from time a when the rotary encoder 45 detects the flame R, ends counting at time b when the flame R cannot be detected, and starts pulse counting from time d when the angle encoder 48 detects flame R. The counting is started, and the counting is finished at the time e when the flame R cannot be detected. However, when the pulse count between a and b and d to e is long, that is, when the flame R is large, the nozzle unit 40 discharges water. Rock while starting. The movement of the nozzle portion 40 is as shown in FIG. 17 (1) when the figure 8 is drawn with respect to the flame R, when it surrounds the center O of the flame R as shown in FIG. As shown in 17 (3), there may be a case where the flame R spirally extends outward from the center O of the flame R.

According to the above-described embodiment, since the manual hose 9 having the nozzle 10 having the on-off valve at the end is attached to the distal end portion, in the emergency, the nozzle 10 portion is grasped by hand and the manual operation is performed. It is possible to extinguish the fire by unwinding the hose 9 and opening the on-off valve at the hand to intensively discharge the extinguishing agent from the nozzle 10. For this reason, a sufficient water sprinkling density for the flame is obtained, the flow rate is large, and it is easy to clean up. Also, if a person notices when the flame is sufficiently small and makes an emergency operation, the water will be concentrated and water damage will be less, and since the watering density will be large, quick fire extinguishing will be possible and the fire extinguishing ability will be high.

When the control section C is attached to the ceiling section E, an illumination device 62 may be arranged around the nozzle mechanism section B as shown in FIG. 18 and integrated with the illumination device 62. In this case, the outer appearance of the peripheral portion of the nozzle mechanism portion B is hidden by the lighting device 62, so that the appearance is improved.

FIG. 20 shows another embodiment of the tank portion A. The tank portion A has a housing 71, and the housing 71
Has a quadrangular shape in plan view, and its front and upper surfaces are open. A lid 79 that opens rearward is provided in the opening 71a on the upper surface, and a door 7 that opens rightward is provided in the opening 71b on the front surface.
2 are provided respectively. A nozzle fitting portion 69 is formed on the opening 71b of the casing 71.

In the case 71, a pressurized tank 73 filled with pressurized air for pressurizing the extinguishant is stored in the upper part, and a extinguishant tank 74 filled with the extinguishant in the lower part is housed. The pressure tank 73 and the fire extinguishing agent tank 74 communicate with each other through a communication pipe (not shown), and a pressure tank opening valve (not shown) is provided in this communication pipe. A hose connecting pipe (not shown) is attached to one outlet (not shown) of the extinguishant tank 74, and a manual hose 75 is attached to the other outlet (not shown) of the extinguishant tank 74. Is connected, and a nozzle 77 having a hand opening / closing valve unit 76 is attached to the tip of the manual hose 75. The manual hose 75 is housed in the housing 1 in a state of being wound on a reel 78. There is. Then, the nozzle 77 has the nozzle fitting portion 69.
It is detachably attached to.

The tank portion A constructed as described above is shown in FIG.
As shown in FIG. 9, it is installed in one corner of the room, and its hose connection pipe is connected to the nozzle control section C of the ceiling section E via the piping section D.

According to this embodiment, the manual hose 7 having the nozzle 77 having the on-off valve 76 at the tip thereof is attached.
In the event of an emergency, the nozzle 77 is grasped by hand and the hand-operated hose 75 is drawn out, and the on-off valve section 76 is opened to discharge the fire extinguisher intensively from the nozzle 77.
Can extinguish a fire. For this reason, a sufficient water sprinkling density for the flame is obtained, the flow rate is large, and it is easy to clean up.
Also, if a person notices when the flame is sufficiently small and makes an emergency operation, the water will be concentrated and water damage will be less, and since the watering density will be large, quick fire extinguishing will be possible and the fire extinguishing ability will be high.

In the structure of the tank portion A described above, the upper lid 7
By opening 9, the pressurized gas can be easily enclosed in the pressurized tank 73, and by opening the front door 72, the extinguishant can be easily enclosed in the extinguishant tank 74. Further, since the manual hose 75 is stored in the housing 1 in a state of being wound on the reel 78, and the nozzle portion 77 is detachably attached to the nozzle fitting portion 69,
When a fire occurs, the nozzle portion 77 can be quickly removed from the nozzle fitting portion 69 and the water can be discharged into the fire.

Although water is used as the extinguishing agent in the above embodiment, the extinguishing agent described below may be used.

Examples of conventional oil fire extinguishing agents include powder fire extinguishing agents, strong alkaline strengthening solutions, neutral strengthening solutions, and chemical foam extinguishing solutions. However, in such a conventional fire extinguisher liquid, the powdered fire extinguisher has a small effect on the oil that is burning, and the injection device is complicated. The strong alkaline strengthening liquid has a high pH of 13 or more, and therefore has a high fire extinguishing ability, but is harmful to humans and animals, and adversely affects corrosion of storage tanks and pipes. Although the neutral strengthening liquid has low toxicity, it has a low fire extinguishing ability and requires a large amount of chemical liquid to extinguish the fire. Also, in an oil fire, the deflagration phenomenon in the initial stage of the fire extinguishing is severe and there is a possibility of burning. The chemical foam extinguishing agent has a moderate extinguishing ability, but the storage tank has a complicated structure because it is necessary to mix and inject acidic and alkaline chemicals immediately before use, and the gel produced as a result of mixing. There is a problem that the particulate matter (aluminum hydroxide) clogs the nozzle and adversely affects the injection.

As a fire extinguishing agent solution which can solve such a problem, a mixture of at least two kinds of water, detergent and sodium hydrogen carbonate is preferable. For example, it is a fire extinguisher liquid in which 10 to 100 g of a neutral detergent and 10 to 100 g of sodium hydrogen carbonate are mixed with 1 liter of water.

This fire extinguishing agent solution has the following advantages. It is safe and almost harmless to humans and animals. Compared to conventional neutral fire extinguishing liquids, it has a high fire extinguishing ability against oil fires. Since the solution ph is approximately 7.8, which is almost neutral, it is less likely to have adverse effects such as corrosion and swelling on the tank piping of the fire extinguishing equipment. Since the drug is commercially available, it can be obtained by the general public without any problems, and even if it is necessary to refill the drug solution, the drug can be safely and easily operated. Since the chemicals to be mixed are completely dissolved in water, nozzle clogging does not occur.

Various fire-extinguishing agents having the composition ratios shown in the examples (Table 2) were prepared, and each composition was filled into the fire-extinguishing apparatus 91 shown in FIG. 23 by 2 liters and pressurized by the compressor 92 to obtain the tempura oil fire model 93. A fire extinguishing test was performed by injecting into

[0056]

[Table 2] Fire extinguishing experiment 700cm3 of tempura oil (soybean oil, ignition point 350-370 ° C) was heated and ignited on a stove in a wok with a diameter of 23 cm and a depth of 8 cm, and after the fire power was sufficiently expanded, various extinguishing solutions were extinguished 91 It was sprayed more and the fire extinguishing ability and the spread of fire were observed. The results are shown in (Table 3).

[0057]

[Table 3] From the above results, it can be seen that the fire extinguishing agent liquid in which sodium bicarbonate and a neutral detergent are mixed has both excellent extinguishing ability against oil fire and safety as compared with the conventional extinguishing agent liquid.

[0058]

As described above, the automatic fire extinguisher of the present invention has the tank portion for supplying the extinguishant to the nozzle portion of the nozzle mechanism portion, and the tank portion is provided in the housing. A pressure tank filled with pressurized air for pressure and a fire extinguisher tank filled with a fire extinguisher that is communicated to the pressure tank via a communication portion are accommodated, and one exit portion of the fire extinguisher tank, Since the hose connection pipe connected via the pipe is attached to the nozzle portion side of the nozzle mechanism portion, it is a stationary type as the tank portion of the automatic fire extinguisher and can function as a simple automatic fire extinguishing device.

Further, the automatic fire extinguisher of the present invention has a tank part for supplying the extinguishant to the nozzle part of the nozzle mechanism part, and the tank part is filled with pressurized air for pressurizing the extinguishant in the housing. The pressurized tank and the extinguishant tank filled with the extinguishing agent, which is communicated with the pressurized tank via the communication section, are housed.
At one outlet of the extinguishant tank, a hose connecting pipe connected to the nozzle side of the nozzle mechanism through a pipe is attached and configured, and a manual hose is provided at the other outlet of the extinguishant tank. It has a hand opening / closing valve part at the tip because it is connected and a nozzle having a hand opening / closing valve part is attached to the tip part of this manual hose, and the hand hose is stored in the housing in a rolled state. In the event of an emergency, in the event of an emergency, grasp the nozzle part with your hand and feed out this manual hose, open the on-off valve at hand, and release the fire extinguishant intensively from the nozzle to extinguish the fire. It can be performed. For this reason, a sufficient water sprinkling density for the flame is obtained, the flow rate is large, and it is easy to clean up. Also,
If a person notices when the flame is small enough and makes an emergency operation, the water will be concentrated and water damage will be small, and since the watering density will be large, quick fire extinguishing will be possible and the fire extinguishing ability will be high.

Further, the automatic fire extinguishing device of the present invention is defined in claim 1.
Alternatively, in the automatic fire extinguisher according to claim 2, in the housing,
Since the openings are provided near the respective inlets of the pressure tank and the fire extinguishing agent tank provided in the housing, and the doors are provided at these openings, the pressure tank and the fire extinguisher are provided in the housing. Since openings are provided near the respective charging ports of the agent tank, and doors are provided at these openings, pressurized gas and fire extinguishing agent can be easily charged by opening the doors.

Further, the automatic fire extinguishing device of the present invention is defined by claim 1.
Alternatively, in the automatic fire extinguisher according to claim 2, since the housing has a corner portion that matches a corner portion of the room, it is possible to install the tank portion in the corner portion of the room, and a small room (kitchen ) Can also be installed.

[Brief description of drawings]

FIG. 1 is a diagram illustrating the overall configuration of an automatic fire extinguisher according to the present invention.

FIG. 2 is a perspective view of a tank portion of the automatic fire extinguisher.

FIG. 3 is a perspective view of a nozzle mechanism portion of the automatic fire extinguisher.

FIG. 4 is a vertical sectional view of the nozzle mechanism portion.

5 is a cross-sectional view taken along the line VV of FIG.

FIG. 6 is a sectional view taken along the line WW of FIG.

FIG. 7 is a sectional view taken along line XX of FIG.

FIG. 8 is a sectional view taken along the line Y-Y of FIG.

FIG. 9 is a block diagram of a control circuit of the automatic fire extinguisher according to the present invention.

FIG. 10 is a flow chart of a control circuit of the automatic fire extinguisher according to the present invention.

FIG. 11 is a detailed flowchart of a part of the control circuit of the automatic fire extinguisher according to the present invention.

FIG. 12 is a graph showing the amount of increase in sensor output.

13 (1) to (8) are explanatory views of areas formed by dividing a room.

FIG. 14 is an explanatory diagram of a flame size and an output of a rotation encoder.

FIG. 15 is an explanatory diagram of a flame size and an output of an angle encoder.

FIG. 16 is an explanatory diagram of the size of a flame.

17 (1) to (3) are explanatory views showing the locus of movement of the nozzle portion with respect to the flame.

FIG. 18 is a perspective view showing a state where the nozzle mechanism unit is incorporated in a lighting fixture.

FIG. 19 is a perspective view of another embodiment of the present invention.

FIG. 20 is a perspective view of a tank portion of the automatic fire extinguisher.

FIG. 21 is an explanatory diagram of a configuration of an experimental device for a fire extinguishing agent.

FIG. 22 is a front view of a conventional automatic fire extinguisher.

FIG. 23 is a side view with a partial cross section of the automatic fire extinguisher.

[Explanation of symbols]

 1 Case 2 Pressurized Tank 3 Fire Extinguishant Tank 6 Hose Connection Tube 9 Manual Hose 10 Nozzle 40 Nozzle Part A Tank Part B Nozzle Mechanism Part

Front page continued (72) Inventor Hirofumi Arai 1005 Iwaki Castle, Kurayoshi City, Tottori Prefecture Omron Kurayoshi Co., Ltd. (72) Inventor Kazunori Morimura, No. 10 Hanazono Dodocho, Ukyo-ku, Kyoto Prefecture Omron Co., Ltd. (72) Invention Person Satoshi Nozoe 10 Odoroncho, Hanazono-cho, Ukyo-ku, Kyoto Prefecture, Kyoto Prefecture (72) Inventor Makihito Morii 10 Ozonocho, Hanazono-cho, Ukyo-ku, Kyoto Prefecture Kyoto Prefecture (72) Koji Nakamura 1005 Iwaki Castle, Kurayoshi City, Tottori Prefecture OMRON Kurayoshi Co., Ltd.

Claims (4)

[Claims] 1. A nozzle section for supplying a fire extinguishing agent to a nozzle section of a nozzle mechanism section, the tank section including a pressurized tank filled with pressurized air for pressurizing the extinguishant, and A fire extinguisher tank filled with a fire extinguishing agent is communicated with the pressure tank through a communicating portion, and is connected to a nozzle portion side of the nozzle mechanism portion via a pipe at one outlet portion of the fire extinguishing agent tank. An automatic fire extinguisher characterized by being configured with a hose connection pipe attached. 2. A nozzle section of a nozzle mechanism section has a tank section for supplying an extinguishing agent, and the tank section is provided with a pressurizing tank filled with pressurized air for pressurizing the extinguishing agent, and this adding section. A fire extinguisher tank filled with a fire extinguishing agent is communicated with the pressure tank through a communicating portion, and is connected to a nozzle portion side of the nozzle mechanism portion via a pipe at one outlet portion of the fire extinguishing agent tank. A hose connection pipe is attached to the extinguishant tank, a manual hose is connected to the other outlet of the extinguishant tank, a nozzle with a hand opening / closing valve is attached to the tip of this manual hose, and the manual hose is wound. An automatic fire extinguisher, characterized by being stored in the housing in its open state. 3. The housing is provided with openings at positions near the respective sealing ports of the pressurized tank and the extinguishant tank provided in the housing, and doors are provided at these openings. Alternatively, the automatic fire extinguisher according to claim 2. 4. The automatic fire extinguisher according to claim 1, wherein the casing has a corner portion that matches a corner portion of the room.