CN113256931B - Fire alarm and fire water spraying device - Google Patents
Fire alarm and fire water spraying device Download PDFInfo
- Publication number
- CN113256931B CN113256931B CN202110689097.1A CN202110689097A CN113256931B CN 113256931 B CN113256931 B CN 113256931B CN 202110689097 A CN202110689097 A CN 202110689097A CN 113256931 B CN113256931 B CN 113256931B
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- shaft
- smoke
- shell
- centrifugal fan
- fire
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 238000005507 spraying Methods 0.000 title abstract description 10
- 239000000779 smoke Substances 0.000 claims abstract description 76
- 230000005540 biological transmission Effects 0.000 claims abstract description 40
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims 2
- 230000003068 static effect Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 15
- 230000035945 sensitivity Effects 0.000 description 5
- 230000001960 triggered effect Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
Abstract
The invention relates to the technical field of fire detection, in particular to a fire alarm and fire water spraying device, which comprises: the device comprises a shell, a motor, a centrifugal fan blade, a sealing piece, a transmission piece, a water inlet pipe, a smoke sensor, an alarm and a fire extinguishing nozzle; the centrifugal fan blade is rotated forward to suck smoke, the smoke sensor is used for detecting the smoke concentration for the first time, when the smoke concentration triggers a smoke sensor threshold value, the centrifugal fan blade is rotated reversely to reduce the drawing force of the centrifugal fan blade and reduce the smoke amount, and the smoke sensor is used for detecting the smoke concentration for the second time, so that the smoke sensor can detect according to the change of fire, false alarm is prevented, the first bearing is abutted by the abutting plate, the bearing drives the fire extinguishing nozzle to rotate, and after water is sprayed out along the transmission part, the centrifugal force generated by the fire extinguishing nozzle on the water is utilized to enlarge the spraying area of the water in a room, and the indoor fire extinguishing efficiency is improved.
Description
Technical Field
The invention relates to the technical field of fire detection, in particular to a fire alarm and fire water spraying device.
Background
Traditional fire detection device's detection mode is smog (particulate matter) in the natural come-up gets into fire detection device along with hot-air, thereby survey passively, and detection sensitivity is low, for improving detection sensitivity, getter device has been increased on original basis, thereby the suction smog of initiative, nevertheless because the initiative is inhaled smog, smog concentration can increase, thereby cause smoke alarm's wrong report police, it is inconvenient to have brought for daily life, its fire detection device should detect according to the change of the intensity of a fire, and the change of smog volume.
General conflagration detection device uses in indoor combination with fire control conflagration early warning spraying, when fire detection device detects smog, puts out a fire to indoor through fire control conflagration early warning spraying, but now has built many high-rise buildings, and high-rise building needs a lot of water supplies, and this can influence water pressure to it is little to make the spray area of water, is unfavorable for fire control conflagration early warning spraying to put out a fire indoor.
Disclosure of Invention
The present invention has been made in view of the above problems, and an object of the present invention is to provide a method for detecting a fire condition in a room according to a change in a fire, for example, to determine whether smoke is increased by detecting the fire condition twice by a smoke sensor, and to alarm the fire, and to enlarge a water spray area by a centrifugal force so as to be small, and to achieve the above object by the following means.
A fire alarm and fire sprinkler system comprising: the device comprises a shell, a motor, a centrifugal fan blade, a smoke sensor and an alarm; install smoke transducer, fire extinguishing nozzle, alarm on the shell, the shell bottom surface is equipped with first air inlet, and the gas outlet has been seted up to the shell top surface, and the second air inlet has been seted up to the perpendicular wall of shell, second air inlet open area is greater than first air inlet, the shell inner wall is equipped with a plurality of perpendicular decurrent slides, first air inlet department installs bearing one, install closure, driving medium, inlet tube in the shell.
The motor is installed in the shell and located above the second air inlet, a shaft of the motor is a hollow shaft, the two ends of the shaft respectively extend out of the motor, and the upper end of the shaft is connected with a second bearing.
The centrifugal fan blades are arranged on the shaft and are close to the second air inlet, the forward rotation direction of the centrifugal fan blades is opposite to the inclination direction of the blades of the centrifugal fan blades, and therefore the suction force generated by forward rotation of the centrifugal fan blades is larger than that generated by reverse rotation of the centrifugal fan blades.
Preferably, the outer ring connecting shaft of the second bearing and the inner ring of the second bearing are connected with a water inlet pipe, the water inlet pipe penetrates through the shell, the connecting end of the water inlet pipe and the second bearing is naturally transited and bent downwards, and a valve is arranged on the water inlet pipe.
Preferably, the shaft is located below the centrifugal fan blades and is provided with a first thread and a second thread respectively, the root of the lower end of the shaft is provided with a baffle, the vertical wall surfaces of two sides of the shaft are provided with chutes respectively, the number of turns of the first thread is the same as that of the second thread, a certain distance is formed between the first thread and the centrifugal fan blades, a certain distance is formed between the second thread and the baffle, the baffle surrounds the vertical wall surfaces of the shaft, and the chutes extend upwards to the lower portions of the second thread along the root of the shaft.
Preferably, the closure comprises: nut, closing plate, connecting rod, the nut is installed epaxially, is located between centrifugal fan blade and the baffle, the closing plate is the tubulose, and the closing plate inner wall is connected with the nut is coaxial through a plurality of connecting rods, and the closing plate outer wall is connected with a plurality of slides of shell through a plurality of sliders, a plurality of sliders of closing plate.
Preferably, the driving medium is tubulose, and its diameter is greater than the axle, driving medium nested axle, and driving medium lower extreme opening diameter is less than the axle, the relative wall of driving medium upper end inner wall is equipped with the slide bar, and two slide bar one end insert respectively in the spout of axle, be equipped with the spring between driving medium and the axle, the driving medium outer wall is provided with the board of keeping to, the board quantity of keeping to is two, is located the lower extreme department of driving medium, it is equipped with the rubber layer to keep to the board bottom surface.
Preferably, the smoke sensor controls the reverse rotation time of the motor through the single chip microcomputer, and the smoke sensor controls the alarm and the valve of the water inlet pipe through electric signals.
Preferably, the fire extinguishing nozzle is mounted at the lower end of the housing through a bearing I.
The invention has the beneficial effects that:
1. the centrifugal fan blade is controlled to rotate forwards through the motor to suck smoke, the smoke concentration is detected for the first time through the smoke sensor, when the smoke concentration triggers a smoke sensor threshold value, the centrifugal fan blade is controlled to rotate backwards through the motor to reduce the drawing-away force of the centrifugal fan blade, so that the smoke quantity is reduced, the smoke concentration is detected for the second time through the smoke sensor, the actual smoke quantity is larger than the first detection value, the smoke sensor can detect according to the change of fire, the alarm accuracy of the smoke alarm is improved, false alarm is prevented, in addition, when water is shone, the second opening is opened, the air inflow of the second opening is large, the detection sensitivity is improved, the indoor smoke quantity is continuously detected, and the fire spread again caused by the unsuccessful fire extinguishing due to the low detection sensitivity is avoided;
2. according to the invention, the nut abuts against the transmission part, so that the abutting plate abuts against the first bearing, the first bearing drives the fire extinguishing nozzle to rotate, and after water is sprayed out along the transmission part, the centrifugal force generated by the fire extinguishing nozzle on the water is utilized to enlarge the spraying area of the water in a room, and the indoor fire extinguishing efficiency is improved.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
FIG. 3 is a partial structural schematic diagram of the present invention.
FIG. 4 is a schematic view of the internal structure of the transmission member of the present invention.
FIG. 5 is a bottom view of the transmission member structure of the present invention.
Fig. 6 is a first schematic view of the smoke flow direction of the present invention.
Fig. 7 is a schematic view showing the flow direction of smoke in the present invention.
FIG. 8 is a schematic view of the rotation of the showerhead of the present invention.
As shown in fig. 1-8:
1-shell, 11-first air inlet, 12-air outlet, 13-second air inlet, 14-bearing I, 2-motor, 21-shaft, 22-bearing II, 211-baffle, 212-thread I, 213-thread II, 214-chute, 3-centrifugal fan blade, 4-closing piece, 41-nut, 42-closing plate, 43-connecting rod, 5-driving piece, 51-spring, 52-abutting plate, 6-water inlet pipe, 7-smoke sensor, 8-alarm and 9-fire extinguishing nozzle.
Detailed Description
Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are easily implemented by those having ordinary skill in the art to which the present invention pertains, however, the present invention may be implemented in various forms, and thus, the present invention is not limited to the embodiments described below, and in addition, components not connected to the present invention will be omitted from the drawings for more clear description of the present invention.
As shown in fig. 1, a fire alarm and fire sprinkler device includes: the fire extinguishing device comprises a shell 1, a motor 2, centrifugal fan blades 3, a sealing part 4, a transmission part 5, a water inlet pipe 6, a smoke sensor 7, an alarm 8 and a fire extinguishing nozzle 9.
The shell 1 is vertically installed on an indoor ceiling, the shell 1 is provided with the smoke sensor 7 and the fire extinguishing nozzle 9, smoke generated indoors is detected through the smoke sensor 7, and fire is extinguished indoors through the fire extinguishing nozzle 9.
The bottom surface of the shell 1 is provided with a first air inlet 11, the top surface of the shell 1 is provided with an air outlet 12, as shown in fig. 2, the vertical wall surface of the shell 1 is provided with a second air inlet 13, the opening area of the second air inlet 13 is larger than that of the first air inlet 11, the inner wall of the shell 1 is provided with a plurality of vertical downward slideways (not shown in the figure), and the first air inlet 11 is provided with a bearing 14.
The motor 2 is installed inside the housing 1 and located above the second air inlet 13, a shaft 21 of the motor 2 is a hollow shaft, the two ends of the shaft 21 extend out of the motor 2 respectively, and the upper end of the shaft 21 is connected with a second bearing 22.
The outer lane connecting axle 21 of bearing two 22, the inlet tube 6 is connected to the inner circle of bearing two 22, inlet tube 6 runs through shell 1, and inlet tube 6 and bearing two 22's link is the downwarping of natural transition, install valve (not shown in the figure) on the inlet tube 6.
The centrifugal fan blade 3 is installed on the shaft 21, the centrifugal fan blade 3 is close to the second air inlet 13, the motor 2 drives the shaft 21 to rotate forwards continuously, so that the centrifugal fan blade 3 generates suction force to enable air flow to enter the shell 1 along the first air inlet 11 and then to be discharged along the air outlet 12, the rotating direction of the centrifugal fan blade 3 is opposite to the inclination direction of the blades of the centrifugal fan blade 3, and therefore the suction force generated by the rotation of the centrifugal fan blade 3 is larger than that generated by the rotation of the centrifugal fan blade 3.
As shown in fig. 3-4, a first screw 212 and a second screw 213 are respectively disposed on the shaft 21 below the centrifugal fan blade 3, a baffle 211 is disposed at the root of the lower end of the shaft 21, and sliding grooves 214 are respectively disposed on the two vertical wall surfaces of the shaft 21.
The number of turns of the first thread 212 is the same as that of the second thread 213, a certain distance is reserved between the first thread 212 and the centrifugal fan blade 3, and a certain distance is reserved between the second thread 213 and the baffle 211.
The baffle 211 is circular, and the baffle 211 surrounds the vertical wall surface of the shaft 21.
The sliding groove 214 extends upward along the root of the shaft 21 to below the second thread 213.
As shown in fig. 3, the closure 4 includes: nut 41, closing plate 42, connecting rod 43.
The nut 41 is mounted on the shaft 21 and located between the centrifugal fan blades 3 and the baffle 211, the initial shaft 21 rotates forward to enable the nut 41 to be located above the first thread 212, the thickness of the nut 41 is smaller than the distance between the first thread 212 and the second thread 213, the distance between the second thread 213 and the baffle 211 and the distance between the first thread 212 and the centrifugal fan blades 3, the closing plate 42 is tubular, the inner wall of the closing plate 42 is coaxially connected with the nut 41 through a plurality of connecting rods 43, the outer wall of the closing plate 42 is connected with a plurality of sliding ways of the shell 1 through a plurality of sliding blocks, the height of the closing plate 42 is larger than that of the second air inlet 13, and the closing plate 42 blocks the second air inlet 13 when the shaft 21 rotates forward.
As shown in fig. 4, the transmission member 5 is tubular and has a diameter larger than that of the shaft 21, the transmission member 5 is fitted over the shaft 21, as shown in fig. 5, the diameter of the opening at the lower end of the transmission member 5 is smaller than that of the shaft 21, the inner wall of the upper end of the transmission member 5 is provided with a sliding rod 53 opposite to the wall surface, one end of each of the two sliding rods 53 is inserted into the sliding slot 214 of the shaft 21, a spring 51 is arranged between the transmission piece 5 and the shaft 21, one end of the spring 51 is abutted against the baffle 211, the other end is abutted against the sliding rod 53, so that the sliding rod 53 is positioned at the root of the upper end of the sliding groove 214, the lower end of the transmission piece 5 is attached to the baffle 211, the spring 51 is used for supporting the transmission piece 5, the transmission piece 5 supports the closing piece 4, therefore, the stress of the spring 51 is small, the outer wall of the transmission member 5 is provided with two abutting plates 52, the two abutting plates 52 are located at the lower end of the transmission member 5, the two abutting plates 52 and the transmission member 5 form a ninety-degree included angle, and the bottom surface of each abutting plate 52 is provided with a rubber layer.
The fire extinguishing nozzle 9 is mounted at the lower end of the housing 1 through a first bearing 14, wherein the first air inlet 11 is coaxial with the fire extinguishing nozzle 9.
As shown in fig. 6, the motor 2 continuously rotates forward, the centrifugal fan 3 rotates to make the airflow enter the interior of the housing 1 along the first air inlet 11, then the airflow rises, when the airflow passes through the smoke sensor 7, the smoke sensor 7 detects the amount of smoke in the airflow, and finally the smoke is discharged along the air outlet 12, and meanwhile, the motor 2 rotates forward, the first thread 212 limits the downward movement of the nut 41, so that the closing plate 42 closes the second air inlet 13.
The working principle of the invention is as follows:
when smoke is generated indoors and enters the interior of the shell 1 along the first air inlet 11, and the smoke sensor 7 is triggered to stop functioning, at this time, the motor 2 drives the shaft 21 to rotate reversely, the nut 41 is engaged with the first thread 212 of the shaft 21 in the rotating process, so that the nut 41 drives the closing plate 42 to move downwards, when the closing plate moves to the distance between the first thread 212 and the second thread 213, the nut 41 presses the upper end of the transmission piece 5, when the transmission piece 5 moves downwards along with the nut 41 to the distance between the first thread 212 and the second thread 213, the nut 41 stops moving downwards, meanwhile, the closing plate 42 continues to close the second opening 13, the centrifugal fan blade 3 rotates reversely, the suction force is weakened, compared with the centrifugal fan blade 3 rotating forwards, the smoke amount is relatively reduced, when smoke passes through the smoke sensor 7, secondary detection is carried out, the smoke sensor 7 cannot be triggered due to the reduction of smoke concentration, the smoke is reduced to disappear, and the smoke sensor 7 cannot be triggered within a certain time, the motor 2 rotates forwards, the nut 41 is pushed upwards through the spring 51, the nut 41 is meshed with the second thread 213 and the first thread 212 one by one, and the transmission piece 5 and the closing piece 4 return to the initial state;
when the smoke concentration is increased to trigger the smoke sensor 7, the smoke amount of the smoke sensor is far larger than the threshold value of the smoke sensor 7, the smoke sensor 7 sends an electric signal to control the alarm 8 to give an alarm, as shown in fig. 7, the water inlet pipe 6 supplies water into the shaft 21, the water impacts the lower end of the transmission member 5 when going downwards in the shaft 21 to compress the spring 51, so that the transmission member 5 moves downwards, the abutting plate 52 is attached to the first bearing 14, the pressure of the lower end of the transmission member 5 on the reduction of the water is very little due to the small stress of the spring 51, the nut 41 moves downwards continuously through the second thread 213, as shown in fig. 8, when the nut 41 moves to the distance between the second thread 213 and the baffle 211, the nut 41 abuts against the transmission member 5, the spring 51 is compressed completely, the abutting plate 52 abuts against the first bearing 14, so that the first bearing 14 drives the fire extinguishing nozzle 8 to rotate, the water is sprayed out along the transmission member 5 and then sprayed into a room through the rotating fire extinguishing nozzle 8, meanwhile, the closing plate 42 does not close the second opening 13, because the second opening 13 is close to the centrifugal fan blade 3 and the opening area is larger than the first opening 11, the air inflow of the second opening 13 is larger than that of the first opening 11, the detection sensitivity is improved when water is sprayed, the indoor smoke amount is continuously detected, for example, smoke continuously triggers the smoke sensor 7 threshold, the reverse rotation and water spraying time of the motor 2 is prolonged, fire is extinguished, for example, the smoke amount is reduced to disappear within a certain time, the smoke sensor 7 cannot be triggered, the motor 2 rotates forwards, the nut 41 is pushed upwards by the spring 51, the nut 41 is meshed with the second thread 213 and the first thread 212 one by one, and the transmission piece 5 and the closing piece 4 return to the initial state.
Claims (4)
1. A fire alarm and fire sprinkler system comprising: the device comprises a shell (1), a motor (2), centrifugal fan blades (3), a smoke sensor (7) and an alarm (8); the method is characterized in that: the fire extinguishing device is characterized in that a smoke sensor (7), a fire extinguishing nozzle (9) and an alarm (8) are mounted on the shell (1), a first air inlet (11) is formed in the bottom surface of the shell (1), an air outlet (12) is formed in the top surface of the shell (1), a second air inlet (13) is formed in the vertical wall surface of the shell (1), the opening area of the second air inlet (13) is larger than that of the first air inlet (11), a plurality of vertically downward slideways are formed in the inner wall of the shell (1), a first bearing (14) is mounted at the position of the first air inlet (11), and a sealing part (4), a transmission part (5) and a water inlet pipe (6) are arranged in the shell (1);
the motor (2) is arranged in the shell (1) and is positioned above the second air inlet (13), a shaft (21) of the motor (2) is a hollow shaft, the two ends of the shaft (21) respectively extend out of the motor (2), and the upper end of the shaft (21) is connected with a second bearing (22);
the centrifugal fan blade (3) is mounted on the shaft (21), the centrifugal fan blade (3) is close to the second air inlet (13), the forward rotation direction of the centrifugal fan blade (3) is opposite to the inclination direction of the blades of the centrifugal fan blade (3), so that the forward rotation suction force of the centrifugal fan blade (3) is larger than the suction force generated by the reverse rotation of the centrifugal fan blade (3), the centrifugal fan blade (3) is positively rotated into the shell (1) to suck smoke for primary monitoring during work, when smoke triggers the smoke sensor (7), the reverse rotation suction force of the centrifugal fan blade (3) is reduced, the smoke inlet amount in the shell (1) is reduced, and the smoke sensor (7) is enabled to carry out secondary monitoring on the smoke in the shell (1);
the shaft (21) is positioned below the centrifugal fan blades (3) and is provided with a first thread (212) and a second thread (213) respectively, the root of the lower end of the shaft (21) is provided with a baffle (211), the vertical wall surfaces of two sides of the shaft (21) are provided with sliding grooves (214) respectively, the number of turns of the first thread (212) is the same as that of the second thread (213), a certain distance is reserved between the first thread (212) and the centrifugal fan blades (3), a certain distance is reserved between the second thread (213) and the baffle (211), the baffle (211) surrounds the vertical wall surface of the shaft (21), and the sliding grooves (214) extend upwards to the lower part of the second thread (213) along the root part of the shaft (21);
the closure (4) comprises: the centrifugal fan comprises a nut (41), a closing plate (42) and connecting rods (43), wherein the nut (41) is installed on a shaft (21) and is located between centrifugal fan blades (3) and a baffle (211), the closing plate (42) is tubular, the inner wall of the closing plate (42) is coaxially connected with the nut (41) through the connecting rods (43), the outer wall of the closing plate (42) is connected with a plurality of slide ways of a shell (1) through a plurality of slide blocks, and the slide blocks of the closing plate (42) are connected with the slide ways of the shell (1);
the sealing device is characterized in that the transmission part (5) is tubular, the diameter of the transmission part is larger than that of the shaft (21), the transmission part (5) is embedded in the shaft (21), the opening diameter of the lower end of the transmission part (5) is smaller than that of the shaft (21), the inner wall of the upper end of the transmission part (5) is provided with two sliding rods (53) relative to the wall surface, one end of each of the two sliding rods (53) is inserted into a sliding groove (214) of the shaft (21), a spring (51) is arranged between the transmission part (5) and the shaft (21), the outer wall of the transmission part (5) is provided with two abutting plates (52), the number of the abutting plates (52) is two, the lower ends of the transmission part (5) are located, the bottom surface of each abutting plate (52) is provided with a rubber layer, when the smoke alarm (7) monitors smoke in the shell (1) for the second time, the sealing part (4) moves down to the position between the first thread (212) and the second thread (213), and the transmission part (5) supports the sealing part (4) to continue to seal the second air inlet (13), when smoke is monitored twice, the fire extinguishing nozzle (9) is in a static state, when fire is to be extinguished indoors, water impacts the lower end of the transmission piece (5), the transmission piece (5) moves downwards, the nut (41) moves downwards through the second thread (213), the nut (41) abuts against the transmission piece (5) to enable the spring (51) to be completely compressed, and the abutting plate (52) abuts against the first bearing (14) to drive the fire extinguishing nozzle (9) to rotate.
2. A fire alarm and sprinkler system as claimed in claim 1, wherein: the outer lane connecting axle (21) of bearing two (22), inlet tube (6) are connected to the inner circle of bearing two (22), inlet tube (6) run through shell (1), and inlet tube (6) and the link of bearing two (22) are transition downwarping naturally, install the valve on inlet tube (6).
3. A fire alarm and sprinkler system as claimed in claim 1, wherein: the smoke sensor (7) controls the reverse rotation time of the motor (2) through the single chip microcomputer, and the smoke sensor (7) controls the alarm (8) and a valve of the water inlet pipe (6) through electric signals.
4. A fire alarm and sprinkler system as claimed in claim 1, wherein: the fire extinguishing nozzle (9) is installed at the lower end of the shell (1) through a bearing I (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110689097.1A CN113256931B (en) | 2021-06-22 | 2021-06-22 | Fire alarm and fire water spraying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110689097.1A CN113256931B (en) | 2021-06-22 | 2021-06-22 | Fire alarm and fire water spraying device |
Publications (2)
| Publication Number | Publication Date |
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| CN113256931A CN113256931A (en) | 2021-08-13 |
| CN113256931B true CN113256931B (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110689097.1A Active CN113256931B (en) | 2021-06-22 | 2021-06-22 | Fire alarm and fire water spraying device |
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| CN (1) | CN113256931B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113713307A (en) * | 2021-08-25 | 2021-11-30 | 杭州爱坦环保科技有限公司 | Novel indoor fire sprinkler head |
| CN113920676B (en) * | 2021-10-09 | 2023-01-24 | 陕西安悦智能科技集团有限公司 | Domestic conflagration automatic alarm device of thing networking |
| CN114100037A (en) * | 2021-10-13 | 2022-03-01 | 吴荣平 | Smoke-sensitive identification automatic fire extinguishing system |
| CN113952667B (en) * | 2021-10-19 | 2022-10-21 | 湖南东邦消防工程有限公司 | Domestic mixed foam type fire control shower nozzle |
| CN114832255B (en) * | 2022-06-06 | 2022-12-23 | 吕梁学院 | Pop-up type rotary fire extinguishing equipment for gas station |
| CN115738131B (en) * | 2022-09-26 | 2023-08-25 | 国网安徽省电力有限公司超高压分公司 | Smoke-sensing fire extinguishing device convenient for assembly type cable duct |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9520054B2 (en) * | 2013-10-07 | 2016-12-13 | Google Inc. | Mobile user interface for smart-home hazard detector configuration |
| CN109224349B (en) * | 2018-09-21 | 2021-07-27 | 江苏微能电子科技有限公司 | Smog alarm system for security protection |
| CN211024933U (en) * | 2019-10-10 | 2020-07-17 | 郑州光大百纳科技股份有限公司 | Household intelligent fire-proof smoke-proof early warning device |
| CN210627443U (en) * | 2019-10-21 | 2020-05-26 | 江苏国慧信息科技有限公司 | Fire-proof alarm device for public safety |
| CN112396795B (en) * | 2021-01-21 | 2021-04-02 | 江西师范大学 | Smoke alarm system |
| CN112562251B (en) * | 2021-02-20 | 2021-12-14 | 莆田市荔城区任西贸易有限公司 | Fire smoke monitoring alarm device |
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2021
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