CN114863628A - Alarm device for fire safety based on thing networking - Google Patents
Alarm device for fire safety based on thing networking Download PDFInfo
- Publication number
- CN114863628A CN114863628A CN202210453308.6A CN202210453308A CN114863628A CN 114863628 A CN114863628 A CN 114863628A CN 202210453308 A CN202210453308 A CN 202210453308A CN 114863628 A CN114863628 A CN 114863628A
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- fixed
- plate
- movable plate
- rod
- protective cover
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- 230000006855 networking Effects 0.000 title claims description 5
- 239000000779 smoke Substances 0.000 claims abstract description 32
- 230000001681 protective effect Effects 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 14
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 230000010405 clearance mechanism Effects 0.000 claims description 5
- 230000008844 regulatory mechanism Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 9
- 239000000428 dust Substances 0.000 abstract description 7
- 230000001360 synchronised effect Effects 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 3
- 235000019504 cigarettes Nutrition 0.000 description 9
- 230000033001 locomotion Effects 0.000 description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 239000011425 bamboo Substances 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Images
Classifications
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/34—Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Fire Alarms (AREA)
Abstract
The invention discloses an alarm device for fire safety based on the Internet of things, which comprises a sliding plate, an installation box and a protective cover, wherein the installation box is fixedly connected to the surface of the sliding plate, the protective cover is slidably connected to the outer wall of the installation box, a smoke inlet is formed in the surface of the protective cover, a synchronous adjusting mechanism for adjusting the size of the smoke inlet is arranged at the top of the protective cover, the synchronous adjusting mechanism comprises a shielding plate, a movable plate, a fixed rail and a driving unit, the shielding plate is slidably connected to the top of the protective cover, the fixed rail is fixedly connected to the top of the protective cover, the movable plate is slidably connected to the surface of the fixed rail, the movable plate is slidably connected with the shielding plate, the driving unit is used for driving the movable plate to move, under the cooperation of the synchronous adjusting mechanism and the cleaning mechanism, the invention realizes the cleaning of dust and impurities in the fire alarm device and avoids influencing the detection of smoke sensors on smoke, thereby causing the untimely fire alarm.
Description
Technical Field
The invention relates to the technical field of alarm equipment for fire fighting, in particular to an alarm device for fire fighting safety based on the Internet of things.
Background
The fire alarm device has many related aspects, the fire hazard has become one of the major safety hazards of urban people life, a plurality of large and small fires can cause serious loss to lives and properties of people every year, the prevention situation of the fire is not slow, the fire alarm device is one of the most important means for preventing the fire, and particularly, the fire alarm device essentially detects the existence of smoke through a smoke sensor and then triggers the alarm based on the existence of the smoke.
After the existing fire alarm is used for a long time, normal use of the smoke sensor is influenced due to the fact that a large amount of dust and other impurities are accumulated in the fire alarm, the detection effect is poor, fire alarm is not timely, and the influence of fire is enlarged.
Disclosure of Invention
The invention provides an alarm device for fire safety based on the Internet of things, aiming at the technical problems of the existing alarm device for fire safety based on the Internet of things in application.
The utility model provides an alarm device for fire control safety based on thing networking, includes slide, install bin and protection casing, install bin fixed connection is on the surface of slide, protection casing sliding connection is on the outer wall of vanning, the smoke inlet has been seted up on the surface of protection casing, the top of protection casing is provided with the synchronization regulation mechanism who is used for adjusting smoke inlet size, synchronization regulation mechanism includes sunshade, movable plate, fixed rail and drive unit, the sunshade sliding connection is at the top of protection casing, fixed rail fixed connection is at the top of protection casing, the movable plate sliding connection is on the surface of fixed rail, movable plate and sunshade sliding connection, drive unit is used for driving the movable plate to move, the fixed surface of sunshade is connected with the gag lever post, the chute has been seted up on the surface of movable plate, the gag lever post activity sets up in the chute, the top fixedly connected with filter of install bin, be provided with the clearance mechanism that is used for clearing up the filter between filter and the movable plate.
Further, drive unit includes lead screw, thread block and second motor, the lead screw rotates to be connected on the inner wall of stationary rail, second motor fixed mounting is on the outer wall of protection casing, the output and the lead screw fixed connection of second motor, thread block and lead screw threaded connection, thread block and movable plate fixed connection, the fixed surface of slide 4 installs smoke transducer 19.
Further, clearance mechanism is including fixed frame, scraper blade and first spring, fixed frame fixed connection is on the surface of movable plate, the one end sliding connection of scraper blade is in the inside of fixed frame, the other end of scraper blade extends to the outside and the fixed mounting of fixed frame and has the brush, first spring fixed connection is in the inside of fixed frame, first spring and scraper blade fixed connection.
Furthermore, be provided with positioning mechanism between protection casing and the install bin, positioning mechanism includes a fixed section of thick bamboo, inserted bar, locating lever, second spring and fixed tooth, a fixed section of thick bamboo fixed connection is on the outer wall of protection casing, inserted bar sliding connection is in the inside of protection casing, the one end fixedly connected with toper locating piece of inserted bar, the other end of inserted bar extends to the outside of a fixed section of thick bamboo, toper locating piece and fixed tooth meshing, fixed tooth fixed connection is on the surface of install bin, the second spring cup joints on the outer wall of inserted bar, the second spring is located the inside of a fixed section of thick bamboo.
Further, a strip-shaped groove is formed in the top of the fixing barrel, a positioning rod penetrates through the outer wall of the insertion rod, the positioning rod corresponds to the strip-shaped groove, and a camera is fixedly mounted on the surface of the protective cover.
Further, the below of slide is provided with the mounting panel, the spout has been seted up on the surface of mounting panel, slide sliding connection is on the surface of mounting panel, the fixed surface of mounting panel is connected with the connecting plate, be provided with reciprocating motion mechanism between connecting plate and the slide.
Further, reciprocating motion mechanism includes carousel, second motor, first stopper, second stopper and swinging arms, the carousel rotates the surface of connecting at the connecting plate, first stopper rotates to be connected on the connecting plate, the second stopper rotates the surface of connecting at the carousel, the pendulum rod rotates the inside of connecting at the slider, first stopper and second stopper all are located the inside of pendulum rod and with pendulum rod sliding connection, second motor fixed mounting on the surface of connecting plate and with carousel fixed connection.
The invention has the beneficial effects that:
1. when the size of cigarette inlet is adjusted to needs, it removes to drive the movable plate through drive unit, fixed connection's gag lever post synchronous motion on the movable plate, the gag lever post is under the limiting displacement of chute, it removes to drive the sunshade, the sunshade shelters from the cigarette inlet, concrete as required, adjust the sunshade and shelter from the size of cigarette inlet, adjust suitable size to the size of cigarette inlet, avoid cigarette inlet undersize, it is too slow to advance cigarette speed, lead to smoke alarm to report to the police in time, the cigarette inlet is too big, a large amount of smoke and dust and impurity get into, with fire alarm internal contamination, lead to smoke alarm can not normally work.
2. When adjusting the size of the smoke inlet, the movable plate drives the fixed frame to move, the fixed frame drives the scraper and the brush on the scraper to clean the filter plate, so that dust and impurities on the filter plate are prevented from blocking smoke, the detection of the smoke sensor on the smoke is influenced, and the fire alarm is not timely.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1 at A according to the present invention;
FIG. 3 is a schematic view of another embodiment of the present invention;
FIG. 4 is a front cross-sectional view of the present invention;
FIG. 5 is a schematic sectional view of the fixing frame of the present invention.
1. Mounting a plate; 2. a connecting plate; 3. a turntable; 4. a slide plate; 5. installing a box; 6. a protective cover; 7. a swing rod; 8. a first stopper; 9. a second limiting block; 10. a fixed cylinder; 11. positioning a rod; 12. inserting a rod; 13. a strip-shaped groove; 14. a chute; 15. a first motor; 16. a second motor; 17. a camera; 18. a smoke inlet; 19. a smoke sensor; 20. a filter plate; 21. a fixing frame; 22. a squeegee; 23. a shutter; 24. moving the plate; 25. a fixed rail; 26. a screw rod; 27. a thread block; 28. a limiting rod; 29. a chute; 30. a first spring; 31. fixing teeth; 32. a second spring.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific examples. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Example 1
An alarm device for fire safety based on the Internet of things comprises a sliding plate 4, an installation box 5 and a protective cover 6, wherein the installation box 5 is fixedly connected to the surface of the sliding plate 4, the protective cover 6 is slidably connected to the outer wall of the installation box 5, a smoke inlet 18 is formed in the surface of the protective cover 6, a synchronous adjusting mechanism for adjusting the size of the smoke inlet 18 is arranged at the top of the protective cover 6 and comprises a shielding plate 23, a moving plate 24, a fixed rail 25 and a driving unit, the shielding plate 23 is slidably connected to the top of the protective cover 6, the fixed rail 25 is fixedly connected to the top of the protective cover 6, the moving plate 24 is slidably connected to the surface of the fixed rail 25, a limit rail is arranged between the shielding plate 23 and the protective cover 6, the shielding plate 23 is slidably connected to the limit rail, the limit rail limits the motion track of the shielding plate 23 and ensures that the shielding plate 23 horizontally moves linearly, meanwhile, the movement of the shielding plate 23 is more stable, the moving plate 24 is in sliding connection with the shielding plate 23, the driving unit is used for driving the moving plate 24 to move, the surface of the shielding plate 23 is fixedly connected with a limiting rod 28, the surface of the moving plate 24 is provided with a chute 29, the limiting rod 28 is movably arranged in the chute 29, the top of the installation box 5 is fixedly connected with a filtering plate 20, the filtering plate 20 is used for filtering larger impurities in smoke and preventing the larger impurities from falling into the smoke sensor 19, and a cleaning mechanism for cleaning the filtering plate 20 is arranged between the filtering plate 20 and the moving plate 24;
when the size of inlet 18 is adjusted to needs, it removes to drive movable plate 24 through drive unit, fixed connection's gag lever post 28 synchronous motion on the movable plate 24, gag lever post 28 is under the limiting displacement of chute 29, it removes to drive sunshade 23, sunshade 23 shelters from inlet 18, specifically as required, adjust the size that sunshade 23 shelters from inlet 18, adjust inlet 18's size to suitable size, avoid inlet 18 undersize, inlet speed is too slow, lead to smoke alarm to report to the police in time, inlet 18 is too big, a large amount of smoke and dust and impurity get into, pollute fire alarm ware internal contamination, lead to smoke alarm can not normally work.
The drive unit includes lead screw 26, screw block 27 and second motor 16, and lead screw 26 rotates to be connected on the inner wall of fixed rail 25, and second motor 16 fixed mounting is on the outer wall of protection casing 6, and the output and the lead screw 26 fixed connection of second motor 16, screw block 27 and lead screw 26 threaded connection, screw block 27 and movable plate 24 fixed connection, the fixed surface of slide 4 installs smoke transducer 19, and when the size of advancing cigarette mouth 18 was adjusted to needs, start second motor 16 and drive lead screw 26 and rotate, lead screw 26 further drives screw block 27 and removes, and screw block 27 drives movable plate 24 and removes, and movable plate 24 finally drives sunshade 23 and removes, and then adjusts the size of advancing cigarette mouth 18.
The cleaning mechanism comprises a fixed frame 21, a scraper 22 and a first spring 30, wherein the fixed frame 21 is fixedly connected to the surface of the moving plate 24, one end of the scraper 22 is slidably connected inside the fixed frame 21, the other end of the scraper 22 extends to the outside of the fixed frame 21 and is fixedly provided with a hairbrush, the first spring 30 is fixedly connected inside the fixed frame 21, and the first spring 30 is fixedly connected with the scraper 22;
after the fire alarm device used for a period of time, inside accumulated a lot of dust and impurity after, cleared up through clearance mechanism, concrete step is, drive fixed frame 21 through movable plate 24 and remove, and fixed frame 21 drives the brush on scraper blade 22 and the scraper blade 22 and clears up filter 20, because fixed frame 21 is fixed on movable plate 24, can clear up the dust impurity on the filter 20 when adjusting into 18 sizes of mouth.
The outer wall of the installation box 5 is provided with a plurality of clamping grooves for installing the protective cover 6, a positioning mechanism is arranged between the protective cover 6 and the installation box 5 and comprises a fixed cylinder 10, an inserted rod 12, a positioning rod 11, a second spring 32 and fixed teeth 31, the fixed cylinder 10 is fixedly connected to the outer wall of the protective cover 6, the inserted rod 12 is slidably connected to the inside of the protective cover 6, one end of the inserted rod 12 is fixedly connected with a conical positioning block, the other end of the inserted rod 12 extends to the outside of the fixed cylinder 10, the conical positioning block is meshed with the fixed teeth 31, the fixed teeth 31 are fixedly connected to the surface of the installation box 5, the second spring 32 is sleeved on the outer wall of the inserted rod 12, and the second spring 32 is located inside the fixed cylinder 10;
when the protective cover 6 and the installation box 5 are installed, the protective cover 6 is sleeved outside the installation box 5 through the clamping groove, then the inserted rod 12 is pulled, the conical positioning block on the inserted rod 12 is meshed with the fixed teeth 31, and due to the elastic action of the second spring 32, the conical positioning block on the inserted rod 12 is combined with the fixed teeth 31 more tightly.
The below of slide 4 is provided with mounting panel 1, and spout 14 has been seted up on the surface of mounting panel 1, and slide 4 sliding connection is on the surface of mounting panel 1, and the fixed surface of mounting panel 1 is connected with connecting plate 2, is provided with reciprocating motion mechanism between connecting plate 2 and the slide 4.
The reciprocating mechanism comprises a rotary disc 3, a first motor 15, a first limiting block 8, a second limiting block 9 and a swing rod 7, the rotary disc 3 is rotatably connected to the surface of the connecting plate 2, the first limiting block 8 is rotatably connected to the connecting plate 2, the second limiting block 9 is rotatably connected to the surface of the rotary disc 3, the swing rod 7 is rotatably connected to the inside of the sliding plate 4, the first limiting block 8 and the second limiting block 9 are both positioned inside the swing rod 7 and are in sliding connection with the swing rod 7, and the first motor 15 is fixedly installed on the surface of the connecting plate 2 and is fixedly connected with the rotary disc 3;
when carrying out smog and surveying, can adjust smoke transducer 19's position, carry out smog to different positions and survey, discovery conflagration that can be more timely, thereby reduce the harm that the conflagration brought, it rotates to drive carousel 3 specifically through starting first motor 15, carousel 3 is when rotating, further drive second stopper 9 and rotate, second stopper 9 drives pendulum rod 7 and carries out the horizontal hunting, pendulum rod 7 drives slide 4 and removes, slide 4 finally drives smoke transducer 19 and removes, thereby control the smog of different positions, first stopper 8 of setting can carry on spacingly to pendulum rod 7, thereby make pendulum rod 7 more stable when the swing.
It is to be understood that the described embodiments are merely exemplary of the invention and that various modifications or additions may be made to the described embodiments by those skilled in the art or those skilled in the art which are similar thereto without departing from the spirit of the invention or exceeding the scope of the appended claims. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention.
Claims (7)
1. The utility model provides an alarm device for fire safety based on thing networking, includes slide (4), install bin (5) and protection casing (6), install bin (5) fixed connection is on the surface of slide (4), protection casing (6) sliding connection is on the outer wall of vanning, a serial communication port (18) has been seted up on the surface of protection casing (6), the top of protection casing (6) is provided with the synchronization regulation mechanism who is used for adjusting into smoke port (18) size, synchronization regulation mechanism includes sunshade (23), movable plate (24), fixed rail (25) and drive unit, sunshade (23) sliding connection is at the top of protection casing (6), fixed rail (25) fixed connection is at the top of protection casing (6), movable plate (24) sliding connection is on the surface of fixed rail (25), movable plate (24) and sunshade (23) sliding connection, the utility model discloses a filter plate, including installing box (5), drive unit, sunshade (23), chute (29) have been seted up to the fixed surface of movable plate (24), drive unit is used for driving movable plate (24) to remove, the fixed surface of sunshade (23) is connected with gag lever post (28), chute (29) have been seted up on the surface of movable plate (24), gag lever post (28) activity sets up in chute (29), the top fixedly connected with filter (20) of installing box (5), be provided with the clearance mechanism that is used for clearing up filter (20) between filter (20) and movable plate (24).
2. The fire safety alarm device based on the internet of things is characterized in that the driving unit comprises a screw rod (26), a thread block (27) and a second motor (16), the screw rod (26) is rotatably connected to the inner wall of the fixed rail (25), the second motor (16) is fixedly installed on the outer wall of the protective cover (6), the output end of the second motor (16) is fixedly connected with the screw rod (26), the thread block (27) is in threaded connection with the screw rod (26), the thread block (27) is fixedly connected with the movable plate (24), and the smoke sensor (19) is fixedly installed on the surface of the sliding plate (4).
3. The alarm device for fire safety based on thing networking of claim 1, characterized in that, clearance mechanism includes fixed frame (21), scraper blade (22) and first spring (30), fixed frame (21) fixed connection is on the surface of movable plate (24), the one end sliding connection of scraper blade (22) is in the inside of fixed frame (21), the other end of scraper blade (22) extends to the outside of fixed frame (21) and fixed mounting has the brush, first spring (30) fixed connection is in the inside of fixed frame (21), first spring (30) and scraper blade (22) fixed connection.
4. The fire safety alarm device based on the internet of things as claimed in claim 1, wherein a positioning mechanism is arranged between the protective cover (6) and the installation box (5), the positioning mechanism comprises a fixed cylinder (10), an insertion rod (12), a positioning rod (11), a second spring (32) and a fixed tooth (31), the fixed cylinder (10) is fixedly connected to the outer wall of the protective cover (6), the insertion rod (12) is slidably connected to the inside of the protective cover (6), one end of the insertion rod (12) is fixedly connected with a conical positioning block, the other end of the insertion rod (12) extends to the outside of the fixed cylinder (10), the conical positioning block is engaged with the fixed tooth (31), the fixed tooth (31) is fixedly connected to the surface of the installation box (5), the second spring (32) is sleeved on the outer wall of the insertion rod (12), the second spring (32) is located inside the fixed cylinder (10).
5. The Internet of things-based fire safety alarm device according to claim 4, wherein a strip-shaped groove (13) is formed in the top of the fixed cylinder (10), a positioning rod (11) is fixedly arranged on the outer wall of the inserted rod (12) in a penetrating mode, the positioning rod (11) corresponds to the strip-shaped groove (13), and a camera (17) is fixedly mounted on the surface of the protective cover (6).
6. The alarm device for fire safety based on the Internet of things is characterized in that a mounting plate (1) is arranged below the sliding plate (4), a sliding groove (14) is formed in the surface of the mounting plate (1), the sliding plate (4) is connected to the surface of the mounting plate (1) in a sliding mode, a connecting plate (2) is fixedly connected to the surface of the mounting plate (1), and a reciprocating mechanism is arranged between the connecting plate (2) and the sliding plate (4).
7. The alarm device for fire safety based on internet of things of claim 6, characterized in that, reciprocating mechanism includes carousel (3), first motor (15), first stopper (8), second stopper (9) and swinging arms, carousel (3) rotate to be connected on the surface of connecting plate (2), first stopper (8) rotate to be connected on connecting plate (2), second stopper (9) rotate to be connected on the surface of carousel (3), pendulum rod (7) rotate to be connected in the inside of slider, first stopper (8) and second stopper (9) all are located the inside of pendulum rod (7) and with pendulum rod (7) sliding connection, first motor (15) fixed mounting is on the surface of connecting plate (2) and with carousel (3) fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210453308.6A CN114863628A (en) | 2022-04-27 | 2022-04-27 | Alarm device for fire safety based on thing networking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210453308.6A CN114863628A (en) | 2022-04-27 | 2022-04-27 | Alarm device for fire safety based on thing networking |
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| CN114863628A true CN114863628A (en) | 2022-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210453308.6A Pending CN114863628A (en) | 2022-04-27 | 2022-04-27 | Alarm device for fire safety based on thing networking |
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| CN215570548U (en) * | 2021-08-24 | 2022-01-18 | 安徽省卓伟消防工程有限公司 | Fire engineering uses prevents auxiliary device that discharges fume |
| CN216388287U (en) * | 2021-10-29 | 2022-04-26 | 浙江天都科技有限公司 | Fire monitoring device for chemical material warehouse |
| CN216388281U (en) * | 2021-11-01 | 2022-04-26 | 王超 | Wisdom fire alarm of wisdom building |
| CN216119013U (en) * | 2021-11-15 | 2022-03-22 | 郑州大学 | Dormitory safety protection alarm device with dynamic detection function |
| CN216352713U (en) * | 2021-11-24 | 2022-04-19 | 江西省力安智能科技有限公司 | Smoke fire detector of fire-fighting monitoring equipment |
| CN114140971A (en) * | 2021-12-09 | 2022-03-04 | 武汉理工光科股份有限公司 | Fire alarm device based on fire emergency system |
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