CN115245644A - Thing networking wisdom temperature smoke is felt compound and is surveyed synchronous extinguishing device - Google Patents
Thing networking wisdom temperature smoke is felt compound and is surveyed synchronous extinguishing device Download PDFInfo
- Publication number
- CN115245644A CN115245644A CN202210134901.4A CN202210134901A CN115245644A CN 115245644 A CN115245644 A CN 115245644A CN 202210134901 A CN202210134901 A CN 202210134901A CN 115245644 A CN115245644 A CN 115245644A
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- Prior art keywords
- shell
- synchronous
- extinguishing device
- thing networking
- fixed mounting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000779 smoke Substances 0.000 title claims abstract description 35
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 21
- 150000001875 compounds Chemical class 0.000 title claims abstract description 16
- 230000006855 networking Effects 0.000 title claims abstract description 16
- 239000007921 spray Substances 0.000 claims abstract description 38
- 238000001514 detection method Methods 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 16
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 7
- 229910052744 lithium Inorganic materials 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000035807 sensation Effects 0.000 claims 4
- 238000005507 spraying Methods 0.000 abstract description 6
- 239000002131 composite material Substances 0.000 abstract description 4
- 230000006698 induction Effects 0.000 abstract description 4
- 235000019504 cigarettes Nutrition 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011155 quantitative monitoring Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
-
- 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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
Abstract
The invention relates to an intelligent temperature and smoke sensing composite detection synchronous fire extinguishing device based on the Internet of things, which comprises a shell, wherein a mounting assembly is arranged at the top of the shell, a smoke detector is fixedly mounted at the bottom of the shell, a mounting sleeve is fixedly mounted on the inner wall of the shell, a double-shaft motor is fixedly mounted in the mounting sleeve, a crutch plate extending to the bottom of the shell is fixedly mounted at the output end of the bottom of the double-shaft motor, an infrared inductor is arranged at the bottom of the crutch plate, an infrared temperature induction head is fixedly mounted on the side of the infrared inductor, and a water inlet pipe is fixedly mounted on the side of the shell. This synchronous extinguishing device of compound detection is felt to thing networking wisdom temperature cigarette compares current smog or temperature-sensing and sprays equipment, has promoted precision and intelligence by a wide margin, can effectively reduce fire hazard, simultaneously, when the conflagration can't be by spraying mouth control, nearest fire alarm department is directly sent to accessible wireless network controller, carries out quick calling, further promotes the intelligence.
Description
Technical Field
The invention relates to the technical field of fire fighting equipment, in particular to an intelligent temperature and smoke sensing composite detection synchronous fire extinguishing device based on the Internet of things.
Background
The fire-fighting equipment is a fixed equipment such as an automatic fire alarm system, an indoor fire hydrant, an outdoor fire hydrant and the like in a building, the automatic fire-fighting equipment is divided into an automatic electric system equipment and an automatic water system equipment, the electric fire safety detection is based on modern physical phenomena such as heat radiation, sound emission, electromagnetic emission and the like in the operation process of the electric equipment, international advanced high and new technical instruments and equipment are adopted, the traditional detection method is combined to carry out all-round quantitative monitoring on the electric equipment, the common fire-fighting induction equipment comprises a smoke detector and a temperature detector, and most automatic fire extinguishing devices adopt smoke or temperature induction spraying equipment.
However, in the above-mentioned equipment, no matter smoke detector, temperature detect and detect on a large scale when being the detection of conflagration initial stage mostly, lead to not sensitive enough to the detection of specific ignition point, can let the intensity of a fire further stretch, enlarge fire hazard, and the smog or the temperature-sensing spraying equipment who matches with it lead to the fire control effect relatively poor owing to can't be accurate quick spray the ignition point, in view of this application have proposed thing networking wisdom temperature smoke and feel compound synchronous extinguishing device that detects.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the intelligent temperature and smoke sensing composite detection synchronous fire extinguishing device based on the Internet of things, which has the advantages of accurate detection, accurate fire extinguishing, reduction of fire hazard and the like, and solves the problems that the detection of a specific fire point by a smoke detector and a temperature detector is not sensitive enough, and the fire point cannot be accurately and quickly sprayed by smoke/temperature sensing spraying equipment matched with the smoke/temperature sensing spraying equipment, so that the fire extinguishing effect is poor.
In order to realize the purposes of accurate detection, accurate fire extinguishment and reduction of fire danger, the invention provides the following technical scheme: thing networking wisdom temperature smoke is felt compound synchronous extinguishing device of surveying, which comprises an outer shell, the shell top is provided with the installation component, the bottom fixed mounting of shell has smoke detector, the inner wall fixed mounting of shell has the installation cover, the inside fixed mounting of installation cover has double-shaft motor, double-shaft motor bottom output end fixed mounting has the crutch board that extends to the shell bottom, the crutch board bottom is provided with infrared inductor, infrared inductor avris fixed mounting has infrared temperature sensor, the avris fixed mounting of shell has the inlet tube, the inlet tube just is located the inside one end of shell and is provided with the switching subassembly with double-shaft motor top output fixed connection, switching subassembly avris is provided with the spray pipe, the spray pipe other end is provided with the spray nozzle, roof fixed mounting has wireless controller in the shell.
Furthermore, the shell is cylindrical, the bottom of the shell is provided with a bottom groove matched with the crank plate, and the side wall of the shell is provided with a wall groove matched with the spray pipe.
Furthermore, the bottom groove and the wall groove are both arc-shaped grooves, the circle centers of the bottom groove and the wall groove are positioned on a uniform vertical line, the central angle of the bottom groove is 340-350 degrees, and the radians of the bottom groove and the wall groove are equal.
Further, the installation component includes the roof of fixed mounting at the shell top, and the top fixed mounting of roof has the buffer board, and the bottom of roof and the avris equidistance screw thread that is located the shell are installed the quantity and are 6 installation screw rods.
Furthermore, the double-shaft motor is in a vertical state, the output end of the double-shaft motor and the central angle of the bottom groove are in the same vertical line, and the turning plate is an L-shaped plate.
Further, the inlet tube is "L" venturi tube, and switching subassembly includes movable mounting at the surperficial movable sealing ring of inlet tube, and movable sealing ring's fixed surface installs the adapter with spray pipe fixed connection.
Further, the surface of inlet tube offers the ring channel with movable sealing ring looks adaptation, and the inner wall fixed mounting of adapter has the sealing washer, and the output fixed connection at butt joint board and biax motor top is passed through to the bottom of adapter.
Furthermore, a wireless control valve is fixedly arranged on the surface of the water spray pipe, and the inclination angle between the spray nozzle and the water spray pipe is between 140 and 160 degrees.
Further, the inner wall of the shell is fixedly provided with a charging and discharging type lithium battery matched with the double-shaft motor, and the charging and discharging type lithium battery is connected with an external power supply through a wire.
Compared with the prior art, the invention provides an intelligent temperature and smoke sensing composite detection synchronous fire extinguishing device for the Internet of things, which has the following beneficial effects:
this synchronous extinguishing device of compound detection is felt to thing networking wisdom temperature cigarette, carry out smog through smoke detector and detect, when smoke detector detects there is smog, biax motor automatic start, and then drive turning plate and infrared inductor and use the biax motor output to be circular motion as the centre of a circle, in the motion process, utilize the temperature difference of infrared temperature induction head response below, when detecting the temperature interval that is obviously higher than other directions, biax motor can the stop motion, find comparatively accurate ignition point immediately, this moment, the direction of spray pipe and shower nozzle is owing to be driven by biax motor with infrared inductor, so, the direction that the shower nozzle aimed at this moment is unanimous with the ignition point direction that detects, can accurate blowout water beam put out a fire, compare current smog or temperature-sensing spray set, accurate and intelligent has been promoted by a wide margin, can effectively reduce conflagration harm, and simultaneously, when the conflagration can's unable by the control of shower nozzle, accessible wireless network controller directly sends nearest fire department police, call fast, further promote intelligent.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is an enlarged cross-sectional view of the movable joint of the present invention;
fig. 3 is a bottom view of the present invention.
In the figure: the device comprises a shell 1, a top plate 2, a buffer plate 3, a mounting screw rod 4, a smoke detector 5, a mounting sleeve 6, a double-shaft motor 7, a crutch plate 8, an infrared sensor 9, an infrared temperature sensing head 10, a water inlet pipe 11, a 111 annular groove, a movable sealing ring 12, a rotary joint 13, a sealing ring 131, a water spray pipe 14, a wireless control valve 15, a spray nozzle 16, a wireless network controller 17, a charging and discharging type lithium battery 18, a bottom groove 19 and a wall groove 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the synchronous extinguishing device of compound detection of thing networking wisdom temperature smoke is felt includes shell 1, and shell 1 top fixed mounting has the installation component for install shell 1.
The installation component comprises a top plate 2 fixedly installed at the top of the shell 1, a buffer plate 3 is fixedly installed at the top of the top plate 2, and installation screw rods 4 with the number of 6 are installed at the bottom of the top plate 2 and on the side equidistant threads of the shell 1.
The shell 1 is cylindrical, an arc-shaped bottom groove 19 is formed in the bottom of the shell 1, an arc-shaped wall groove 20 is formed in the side wall of the shell 1, the circle centers of the bottom groove 19 and the wall groove 20 are located on a uniform vertical line, the central angle of the bottom groove 19 is 340-350 degrees, and the radians of the bottom groove 19 and the wall groove 20 are equal.
Referring to fig. 1, a smoke detector 5 is fixedly installed at the center of the bottom of a housing 1, an installation sleeve 6 is fixedly installed on the inner wall of the housing 1, a double-shaft motor 7 is fixedly installed inside the installation sleeve 6, the double-shaft motor 7 is in a vertical state, the output end of the double-shaft motor 7 and the central angle of a bottom groove 19 are located on the same vertical line, and a turning plate 8 extending to the bottom of the housing 1 is fixedly installed at the output end of the bottom of the double-shaft motor 7.
In this embodiment, the crutch panel 8 is an "L" shaped panel, and one end of the crutch panel 8 is located in the bottom groove 19, and the crutch panel 8 can be driven by the dual-axis motor 7 to slide in the bottom groove 19.
Turning 8 bottom fixed mounting of board and turning there is infrared inductor 9, and 9 avris fixed mounting of infrared inductor has infrared temperature-sensing head 10, can drive infrared temperature-sensing head 10 through double-shaft motor 7 and turning 8 and be the arc motion, and then carry out accurate detection to the ignition.
The water inlet pipe 11 of "L" shape is fixedly installed at the avris of shell 1, the water inlet pipe 11 just is located the inside one end of shell 1 and is provided with the switching subassembly with 7 top output end fixed connections of biaxial motor, switching subassembly avris fixed mounting has spray pipe 14, can let spray pipe 14 and infrared temperature sensing head 10 synchronous movement through switching subassembly and biaxial motor 7, and at 14 other end fixed mounting of spray pipe there is spray nozzle 16.
Wherein, the surface of the spray pipe 14 is fixedly provided with a wireless control valve 15 for controlling the spraying condition of the spray pipe 14 in real time, the inclination angle between the spray nozzle 16 and the spray pipe 14 is between 140-160 degrees, and in addition, the inner top wall of the shell 1 is fixedly provided with a wireless network controller 17 for automatic alarm.
Referring to fig. 2, the adapter assembly includes a movable sealing ring 12 rotatably mounted on the surface of the water inlet pipe 11, an annular groove 111 matched with the movable sealing ring 12 is formed in the surface of the water inlet pipe 11, an adapter 13 fixedly connected to the spray pipe 14 is fixedly mounted on the surface of the movable sealing ring 12, a sealing ring 131 is fixedly mounted on the inner wall of the adapter 13, so as to further improve the sealing performance, the sealing ring 131 is rotatably connected to the water inlet pipe 11, and the bottom of the adapter 13 is fixedly connected to the output end of the top of the dual-axis motor 7 through a butt plate.
In this embodiment, the charge-discharge lithium battery 18 adapted to the biaxial motor 7 is fixedly mounted on the inner wall of the housing 1, and the charge-discharge lithium battery 18 is connected to an external power supply through a wire, so that the biaxial motor 7 can continue to operate even in a power failure state.
The working principle is as follows:
1. the smoke detector 5 detects smoke in real time;
2. when the smoke detector 5 detects smoke, the double-shaft motor 7 is automatically started, and then the crutch panel 8 and the infrared inductor 9 are driven to do circular arc motion by taking the output end of the double-shaft motor 7 as the center of a circle;
3. in the moving process of the infrared sensor 9, the temperature difference below the infrared temperature sensing head 10 is sensed, when a temperature range obviously higher than that in other directions is detected, the movement of the double-shaft motor 7 can be stopped, and a relatively accurate ignition point can be found immediately;
4. the directions of the spray pipe 14 and the spray nozzle 16 and the infrared sensor 9 are driven by the double-shaft motor 7, so that the direction of the spray nozzle 16 aligned at the moment is consistent with the direction of the detected ignition point, and then the wireless control valve 15 is automatically opened to release clean water;
5. the spray nozzle 16 is aligned to the ignition point, and sprays clear water to extinguish fire, namely, water beams can be sprayed accurately to extinguish fire;
6. when the infrared temperature sensor 10 continues to display a higher temperature for several minutes, it is determined that the fire continues to spread and the spray nozzle 16 cannot control, and at this time, the radio network controller 17 directly sends the nearest fire department to make a quick call.
The electrical components present in the document are all electrically connected to a main controller and a power supply, the main controller may be a conventional known device for controlling a computer, and the conventional power connection technology disclosed in the prior art is not described herein.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. Thing networking wisdom temperature smoke is felt compound synchronous extinguishing device that surveys, including shell (1), its characterized in that: the utility model discloses a portable electronic device, including shell (1), installation cover (6), infrared inductor (9), infrared temperature sensing head (10), shell (1), roof side fixed mounting, shell (1) top is provided with the installation component, the bottom fixed mounting of shell (1) has smoke detector (5), the inner wall fixed mounting of shell (1) has installation cover (6), the inside fixed mounting of installation cover (6) has double-shaft motor (7), double-shaft motor (7) bottom output fixed mounting has crutch board (8) that extends to shell (1) bottom, crutch board (8) bottom is provided with infrared inductor (9), infrared inductor (9) avris fixed mounting has infrared temperature sensing head (10), the avris fixed mounting of shell (1) has inlet tube (11), inlet tube (11) and the one end that is located shell (1) inside are provided with the switching subassembly with double-shaft motor (7) top output fixed connection, switching subassembly avris is provided with spray pipe (14), spray pipe (14) other end is provided with spray nozzle (16), roof fixed mounting has wireless network controller (17) in shell (1).
2. The synchronous extinguishing device of compound detection of thing networking wisdom temperature smoke sensation according to claim 1, characterized in that: the water spray pipe is characterized in that the shell (1) is cylindrical, a bottom groove (19) matched with the crutch plate (8) is formed in the bottom of the shell (1), and a wall groove (20) matched with the water spray pipe (14) is formed in the side wall of the shell (1).
3. The synchronous extinguishing device of compound detection of thing networking wisdom temperature smoke sensation according to claim 2, characterized in that: the bottom groove (19) and the wall groove (20) are both arc-shaped grooves, the circle centers of the bottom groove (19) and the wall groove (20) are positioned on a uniform vertical line, the central angle of the bottom groove (19) is 340-350 degrees, and the radians of the bottom groove (19) and the wall groove (20) are equal.
4. The synchronous extinguishing device of compound detection of thing networking wisdom temperature smoke sensation according to claim 1, characterized in that: the installation component comprises a top plate (2) fixedly installed at the top of the shell (1), a buffer plate (3) is fixedly installed at the top of the top plate (2), and installation screw rods (4) with the number of 6 are installed at the bottom of the top plate (2) and on the side equidistant threads of the shell (1).
5. The synchronous extinguishing device of compound detection of thing networking wisdom temperature smoke is felt according to claim 2, characterized in that: the double-shaft motor (7) is in a vertical state, the output end of the double-shaft motor (7) and the central angle of the bottom groove (19) are in the same vertical line, and the turning plate (8) is an L-shaped plate.
6. The synchronous extinguishing device of compound detection of thing networking wisdom temperature smoke sense of claim 1, characterized in that: the inlet tube (11) are "L" venturi tube, and switching subassembly includes movable mounting in inlet tube (11) surperficial movable sealing ring (12), and the fixed surface of movable sealing ring (12) installs adapter (13) with spray pipe (14) fixed connection.
7. The synchronous extinguishing device of compound detection of thing networking wisdom temperature smoke is felt according to claim 6, characterized in that: the surface of inlet tube (11) is seted up ring channel (111) with activity sealing ring (12) looks adaptation, and the inner wall fixed mounting of adapter (13) has sealing washer (131), and the output fixed connection at bottom through buttcover plate and biax motor (7) top of adapter (13).
8. The synchronous extinguishing device of compound detection of thing networking wisdom temperature smoke sense of claim 1, characterized in that: the surface of the spray pipe (14) is fixedly provided with a wireless control valve (15), and the inclination angle between the spray nozzle (16) and the spray pipe (14) is between 140 and 160 degrees.
9. The synchronous extinguishing device of compound detection of thing networking wisdom temperature smoke sensation according to claim 1, characterized in that: the inner wall of the shell (1) is fixedly provided with a charging and discharging type lithium battery (18) matched with the double-shaft motor (7), and the charging and discharging type lithium battery (18) is connected with an external power supply through a wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210134901.4A CN115245644A (en) | 2022-02-14 | 2022-02-14 | Thing networking wisdom temperature smoke is felt compound and is surveyed synchronous extinguishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210134901.4A CN115245644A (en) | 2022-02-14 | 2022-02-14 | Thing networking wisdom temperature smoke is felt compound and is surveyed synchronous extinguishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115245644A true CN115245644A (en) | 2022-10-28 |
Family
ID=83698516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210134901.4A Pending CN115245644A (en) | 2022-02-14 | 2022-02-14 | Thing networking wisdom temperature smoke is felt compound and is surveyed synchronous extinguishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115245644A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8306247D0 (en) * | 1982-03-08 | 1983-04-13 | Martin Gutierrez A | Firefighting systems |
| JPH06292739A (en) * | 1993-04-09 | 1994-10-21 | Omron Corp | Automatic fire extinguishing appliance and control method therefor |
| CN1317769A (en) * | 2001-04-05 | 2001-10-17 | 赵国运 | Digitally addressing intelligent alarm and fire extinguishing system |
| CN113289298A (en) * | 2021-07-27 | 2021-08-24 | 南昌旭码信息科技有限公司 | Fire alarm and regional fire extinguishing device |
| CN214436037U (en) * | 2020-10-29 | 2021-10-22 | 丁剑 | Smoke induction fire control shower nozzle |
-
2022
- 2022-02-14 CN CN202210134901.4A patent/CN115245644A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8306247D0 (en) * | 1982-03-08 | 1983-04-13 | Martin Gutierrez A | Firefighting systems |
| JPH06292739A (en) * | 1993-04-09 | 1994-10-21 | Omron Corp | Automatic fire extinguishing appliance and control method therefor |
| CN1317769A (en) * | 2001-04-05 | 2001-10-17 | 赵国运 | Digitally addressing intelligent alarm and fire extinguishing system |
| CN214436037U (en) * | 2020-10-29 | 2021-10-22 | 丁剑 | Smoke induction fire control shower nozzle |
| CN113289298A (en) * | 2021-07-27 | 2021-08-24 | 南昌旭码信息科技有限公司 | Fire alarm and regional fire extinguishing device |
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Application publication date: 20221028 |