CN108346255A - Smoke alarm unit for fire-fighting - Google Patents
Smoke alarm unit for fire-fighting Download PDFInfo
- Publication number
- CN108346255A CN108346255A CN201810345868.3A CN201810345868A CN108346255A CN 108346255 A CN108346255 A CN 108346255A CN 201810345868 A CN201810345868 A CN 201810345868A CN 108346255 A CN108346255 A CN 108346255A
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- Prior art keywords
- smoke alarm
- fire
- fighting
- motor
- seat
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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
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fire Alarms (AREA)
Abstract
The present invention is provided to the smoke alarm units of fire-fighting, including installation flap seat, ATM microcontrollers, motor, smoke alarm ontology, mounting hole, blade, deck, contact-making switch, alarm lamp, loudspeaker window to raise support bar, threading hole and bottom plate；Stepped mounting hole at three is uniformly offered on the installation flap seat, and ATM microcontrollers at one are installed in the inner cavity of installation flap seat；The motor is located by a circle screw on the top surface of deck; the present apparatus is set to carry out certain self-protection when encountering fire; when fire comes temporarily; while device Normal Alarm; fractional motor rotates; this device is received into the reserved mounting groove of furred ceiling by motor power output shaft; during storage the vanes retract of eight petal type structures and protect in the outside of device; form one of protecting wall; to carry out certain heat-insulated protection to device; so that device itself is also had the function of autoprotection, improves practicability.
Description
Technical field
The invention belongs to security against fire engineering device technique fields, more specifically, are more particularly to used for the smog alarm of fire-fighting
Device.
Background technology
Smoke alarm is simple in structure, mostly uses smoke sensor device as sensing element, using interior of building due to fire
The smog that feelings give out achievees the effect that alarm police of ringing as induction medium.
The present inventor is found that the similar patent in terms of tree injection during patent searching, for example, Shen
Please number be：A kind of smoke alarm has been referred in 201711165292.4 includes plastic casing, wiring board, sealing cover, cover board, hair
Optical diode, phototriode, nut and threading hole, which is characterized in that the plastic casing is cylindrical structure, plastic casing bottom
It is open on face, sealing cover is buckled on plastic casing bottom surface, and there are two oblique circular cylinder holes, wiring board to pass through nut for processing on sealing cover
In plastic casing.
For another example application No. is：In 201510502246.3, a kind of bright farther, the better smog report of effect that is related to distance of reaction
Alert device, including bottom plate and shell, shell are fixed on bottom plate, and at least one first through hole is offered on the side wall of shell,
Control panel is equipped in shell, the lateral edges of control panel are fixed on the medial surface of shell, and the is offered in the middle part of control panel
Two through-holes are fixed with control device, wireless launcher and exhaust fan on the lower surface of control panel, electricity are equipped in upper chamber
Source, transmission device, smoke sensor device and cover board, enough control exhaust fan, transmission device unlatching with closure and sensed according to smog
The signal that device is sent sends a control signal to wireless base station apparatus.
Based on above-mentioned, the inventors discovered that, it is similar to the compact smoke alarm of above structure, is mounted on the furred ceiling of building
It is mostly vertically naked to be exposed on the external after upper, when inside fire occurs, alarm can only be used as to use, and their own cannot protect,
When indoor temperature is excessively high, it can be melted, or burn, therefore, the designer designs a fiery with meeting according to this requirement
The smoke alarm of automatic retracted function improves self-protection ability when alarm meets fire, reaches more practical purpose.
Invention content
In order to solve the above technical problem, the present invention provides the smoke alarm units for fire-fighting, set forth above to solve
About existing smoke alarm, after being mounted on the furred ceiling of building, it is more it is vertical it is naked be exposed on the external, when inside fire occurs
When, alarm can only be used as to use, and their own cannot protect, and when indoor temperature is excessively high, can be melted, or burn and ask
Topic.
Purpose and effect of the present invention for the smoke alarm unit of fire-fighting, are reached by technological means in detail below：
For the smoke alarm unit of fire-fighting, including flap seat is installed, ATM microcontrollers, motor, smoke alarm ontology,
Sense seat overhead guard, air hole, rotating seat, mounting hole, blade, deck, contact-making switch, alarm lamp, loudspeaker window are raised support bar, are worn
String holes and bottom plate；Stepped mounting hole at three is uniformly offered on the installation flap seat, and is pacified in the inner cavity of installation flap seat
Equipped with ATM microcontrollers at one；The motor is located by a circle screw on the top surface of deck, and the power of motor is defeated
Shaft is connected with installation flap seat；The deck is mounted on the bottom of smoke alarm ontology by way of screw thread or buckle,
And it is also equipped with contact-making switch on the surface of deck；The blade is to pass through high temperature resistant in a manner of uniformly distributed annular at eight
The rotating seat of material is fixed on the periphery of smoke alarm ontology；The top surface of the smoke alarm ontology passes through ribs
Harden structure is supported by sense seat overhead guard at one, and is also opened up in the top surface of smoke alarm ontology and be equipped with loudspeaker window and one at one
Locate alarm lamp；The bottom surface of the deck offers the threading hole of circular configuration at one, and is also bonded in the outside of threading hole
Two rectangle tabular structures raise support bar.
Further, the top section of the installation flap seat is cylindrical structure, and a band is vertically welded in this cylinder
Female welded tube, and this welded tube is threadedly coupled with the realization of the power output shaft of motor.
Further, the end face of cylinder at the top of the installation flap seat and contact-making switch are on same vertical line.
Further, the blade is the heat safe bending structure of flake, and shape after this eight blade rotation merging
At a cavity, it is included that this cavity will just feel seat overhead guard.
Further, the top surface of the sense seat overhead guard offers the multiple air holes of a circle.
Further, the top surface for raising support bar is welded with the bottom plate of one piece of Circular plate structure, and the bottom surface peace of motor
It is exactly to be installed on this bottom plate by screw to fill seat.
Further, the blade is also petal-like structures, after this eight blades are docked after merging by petal edge
The arc-shaped slit lyriform pore at interval is just formd again.
Further, existing alarming horn is installed inside the sense seat overhead guard, existing cigarette propagated sensation sensor, they with
Small-sized motor, ATM microcontrollers and contact-making switch in the design equally by being electrically connected on external power supply, and
These are electrically connected line and pass through threading hole.
Compared with prior art, the present invention has the advantages that：
This structure is improved on the basis of existing smoke alarm, has been combined existing smoke alarm
Cigarette propagated sensation sensor carry out control with the controller that structure is added and connect, and be mounted with a miniature motor, and in original report
It is mounted with the blade of a circle heat-resisting material petal type structure in alert device cylindrical wall, lotus shape structure is formed, by this improved report
Alert device filling is mounted in indoor suspended ceiling preformed groove, and the present apparatus can be made to carry out certain self-protection when encountering fire, work as fire
Calamity is come interim, and while device Normal Alarm, this device is received into furred ceiling by fractional motor rotation by motor power output shaft
It the vanes retract of eight petal type structures and protects in the outside of device, is formed anti-together in reserved mounting groove, during storage
Revetment makes device itself also have the function of autoprotection to carry out certain heat-insulated protection to device, improves practicability.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Fig. 2 is the bottom views structural schematic diagram of the present invention.
Fig. 3 is the schematic diagram for removing installation flap seat part that the present invention is drawn by Fig. 2.
Fig. 4 is the top plan view structural schematic diagram that the present invention is drawn by Fig. 1.
Fig. 5 is that the main view that the present invention is drawn by Fig. 1 puts down right structural schematic diagram.
Fig. 6 is the reserving installation hole installation schematic diagram that the present invention is equipped with indoor suspended ceiling wall G.
Fig. 7 is that the present invention is reserved mounting hole in furred ceiling wall G indoors and encounters blade vanes retract is made to carry out protection work
The schematic diagram of used time.
Fig. 8 is the electrical flow diagram of the present invention.
In figure, the correspondence of component names and accompanying drawing number is：
Flap seat -1, ATM microcontroller -2 are installed, motor -3, smoke alarm ontology -4, sense seat overhead guard -5 are breathed freely
Hole -501, rotating seat -6, mounting hole -7, blade -8, deck -9, contact-making switch -10, alarm lamp -11, loudspeaker window -
12, raise support bar -13, threading hole -14, bottom plate -15.
Specific implementation mode
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following embodiment is used for
Illustrate the present invention, but cannot be used for limiting the scope of the invention.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more；Term "upper",
The orientation or positional relationship of the instructions such as "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as pair
The limitation of the present invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and should not be understood as instruction or
Imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connects, and can also be electrical connection；It can be directly connected, it can also be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Embodiment：
As shown in attached drawing 1 to attached drawing 8：
The present invention is provided to the smoke alarm unit of fire-fighting, including installation flap seat 1, ATM microcontrollers 2, motor 3, cigarettes
Fog siren ontology 4, sense seat overhead guard 5, air hole 501, rotating seat 6, mounting hole 7, blade 8, deck 9, contact-making switch 10, alarm
Lamp 11, loudspeaker window 12 raise support bar 13, threading hole 14 and bottom plate 15；Ladder at three is uniformly offered on the installation flap seat 1
The mounting hole 7 of formula, and ATM microcontrollers 2 at one are installed in the inner cavity of installation flap seat 1；The motor 3 passes through a circle screw
It is located on the top surface of deck 9, and the power output shaft of motor 3 is connected with installation flap seat 1；The deck 9 passes through spiral shell
The mode of line or buckle is mounted on the bottom of smoke alarm ontology 4, and is also equipped with contact-making switch on the surface of deck 9
10；The blade 8 is to be fixed on smoke alarm sheet by the rotating seat 6 of high temperature resistant material in a manner of uniformly distributed annular at eight
On the periphery of body 4；The top surface of the smoke alarm ontology 4 has by support rib structural support feels seat overhead guard 5 at one, and
It is also opened up in the top surface of smoke alarm ontology 4 and alarm lamp 11 at loudspeaker window 12 and one is installed at one；The bottom of the deck 9
Face offers the threading hole 14 of circular configuration at one, and is also bonded with two rectangle tabular structures in the outside of threading hole 14
Raise support bar 13.
Wherein, the top section of the installation flap seat 1 is cylindrical structure, and one is vertically welded in this cylinder with interior
The welded tube of screw thread, and this welded tube is threadedly coupled with the realization of the power output shaft of motor 3, as long as it will thus be seen that the power of motor 3
Output shaft rotates, and the present apparatus will be made to installation 1 contract of flap seat.
Wherein, the end face of cylinder at 1 top of installation flap seat and contact-making switch 10 are on same vertical line, when fire arrives
When, under the action of motor 3 carries externally threaded power output shaft so that the present apparatus connects upwardly toward the cylinder of installation flap seat 1
Nearly rotation enables the contact of contact-making switch 10 that extruding action occurs, to make until contact-making switch 10 is touched with end face of cylinder
Motor 3 stops transmission.
Wherein, the blade 8 is the heat safe bending structure of flake, and is formed after this eight rotation merging of blade 8
One cavity, this cavity is just included by sense seat overhead guard 5, as shown in fig. 7, the recycling action of this eight blades 8 can nature
Collision contraction is carried out by the accommodating groove hole edge opened up on indoor suspended ceiling wall G, and with damping capacity rotating seat 6
Effect is lower to carry out physical slot restriction, so that this eight blades 8 is covered in the outside of device, forms one of protecting wall.
Wherein, the top surface of the sense seat overhead guard 5 offers the multiple air holes 501 of a circle, improves the entrance quantity of smog, makes
Obtaining smog, not only only the protection network of 5 bottom of sense seat overhead guard enters as shown in Figure 5, improves practicability.
Wherein, the top surface for raising support bar 13 is welded with the bottom plate 15 of one piece of Circular plate structure, and the bottom surface peace of motor 3
Dress seat is installed by screw on this bottom plate 15, such as Fig. 3, shown in Fig. 5, using raise support bar 13 can by motor 3 with
Threading hole 14 forms certain gap distance, and the access of line is electrically connected convenient for each electrical component, reasonable for structure.
Wherein, the blade 8 is also petal-like structures, after being docked by petal edge after this eight merging of blades 8 just
The good arc-shaped slit lyriform pore for foring interval again, as shown in fig. 7, eight blades 8 merge after still there are small―gap suture gap hole,
Convenient for the normal injection of 11 light source of alarm lamp, still there is alarm function.
Wherein, existing alarming horn is installed inside the sense seat overhead guard 5, existing cigarette propagated sensation sensor, they and this
Small-sized motor 3, ATM microcontrollers 2 and contact-making switch 10 in design equally by being electrically connected on external power supply,
And these are electrically connected line and pass through threading hole 14, as shown in figure 8, each electrical connection component is electrically connected with each other, in addition to normal
Alarm function also has the function of controlling motor 3.
The specifically used mode of the present embodiment and effect：
The present apparatus carries out on the basis of the warning function effect of original base smoke alarm ontology 4 and sense seat overhead guard 5
It improves, the present apparatus is opened by as shown in fig. 6, being mounted on indoor suspended ceiling wall G using three mounting holes 7 on installation flap seat 1
If reserved installation deep trouth in, when fire hazard aerosol fog enters in sense seat overhead guard 5, original smoke sensor device is made to obtain signal
Alarm, and a part of signal is transmitted on the ATM microcontrollers 2 of this structure design installation, keeps the power output shaft of motor 3 dynamic
Make, and device can be towards the lifting movement upwards of installation flap seat 1, until entering the reserved installation deep trouth opened up on furred ceiling wall G
It is interior, and using the slot of installation deep trouth, naturally merge eight 8 on the outside of device, as shown in fig. 7, and with damping and amortization
Physical slot restriction can be carried out under the action of rotating seat 6, so that this eight blades 8 is covered in the outside of device, formed and protected together
Wall.
The embodiment of the present invention provides for the sake of example and description, and is not exhaustively or by this to send out
It is bright to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Choosing
It is and to make those skilled in the art to more preferably illustrate the principle of the present invention and practical application to select and describe embodiment
It will be appreciated that various embodiments with various modifications of the present invention to design suitable for special-purpose.
Claims (8)
1. the smoke alarm unit for fire-fighting, it is characterised in that：The smoke alarm unit for being used for fire-fighting includes installation flap seat
(1), ATM microcontrollers (2), motor (3), smoke alarm ontology (4), sense seat overhead guard (5), air hole (501), rotating seat
(6), mounting hole (7), blade (8), deck (9), contact-making switch (10), alarm lamp (11), loudspeaker window (12) raise support bar
(13), threading hole (14) and bottom plate (15)；Stepped mounting hole (7) at three is uniformly offered on the installation flap seat (1), and
ATM microcontrollers (2) at one are installed in the inner cavity of installation flap seat (1)；The motor (3) is located installation by a circle screw
On the top surface of deck (9), and the power output shaft of motor (3) is connected with installation flap seat (1)；The deck (9) passes through spiral shell
The mode of line or buckle is mounted on the bottom of smoke alarm ontology (4), and contact is also equipped on the surface of deck (9)
It switchs (10)；The blade (8) is to be fixed on cigarette by the rotating seat (6) of high temperature resistant material in a manner of uniformly distributed annular at eight
On the periphery of fog siren ontology (4)；The top surface of the smoke alarm ontology (4) has one by support rib structural support
Place's sense seat overhead guard (5), and also open up and be equipped at one at loudspeaker window (12) and one in the top surface of smoke alarm ontology (4) and report
Warning lamp (11)；The bottom surface of the deck (9) offers the threading hole (14) of circular configuration at one, and in the outer of threading hole (14)
What side was also bonded with two rectangle tabular structures raises support bar (13).
2. being used for the smoke alarm unit of fire-fighting as described in claim 1, it is characterised in that：The top of the installation flap seat (1)
Part is cylindrical structure, and one is vertically welded in this cylinder with female welded tube, and this welded tube and motor (3) is dynamic
Power output shaft, which is realized, to be threadedly coupled.
3. being used for the smoke alarm unit of fire-fighting as described in claim 1, it is characterised in that：At the top of the installation flap seat (1)
End face of cylinder is with contact-making switch (10) on same vertical line.
4. being used for the smoke alarm unit of fire-fighting as described in claim 1, it is characterised in that：The blade (8) is that flake is resistance to
The bending structure of high temperature, and a cavity is formed after this eight blade (8) rotation merging, this cavity will just feel seat overhead guard
(5) included.
5. being used for the smoke alarm unit of fire-fighting as described in claim 1, it is characterised in that：The top surface of the sense seat overhead guard (5)
Offer the multiple air holes of a circle (501).
6. being used for the smoke alarm unit of fire-fighting as described in claim 1, it is characterised in that：The top for raising support bar (13)
Face is welded with the bottom plate (15) of one piece of Circular plate structure, and the bottom surface mounting base of motor (3) is exactly to be installed in this bottom plate by screw
(15) on.
7. being used for the smoke alarm unit of fire-fighting as described in claim 1, it is characterised in that：The blade (8) is also petal
Shape structure, this eight blades (8) just form the arc-shaped slit lyriform pore at interval again after being docked by petal edge after merging.
8. being used for the smoke alarm unit of fire-fighting as described in claim 1, it is characterised in that：Peace inside the sense seat overhead guard (5)
Equipped with existing alarming horn, existing cigarette propagated sensation sensor, they with the design in small-sized motor (3), ATM microcontrollers
(2) and contact-making switch (10) is equally by being electrically connected on external power supply, and these are electrically connected line and pass through threading hole
(14)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810345868.3A CN108346255B (en) | 2018-04-18 | 2018-04-18 | Smoke alarm unit for fire-fighting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810345868.3A CN108346255B (en) | 2018-04-18 | 2018-04-18 | Smoke alarm unit for fire-fighting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108346255A true CN108346255A (en) | 2018-07-31 |
| CN108346255B CN108346255B (en) | 2019-09-03 |
Family
ID=62955917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810345868.3A Expired - Fee Related CN108346255B (en) | 2018-04-18 | 2018-04-18 | Smoke alarm unit for fire-fighting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108346255B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109035673A (en) * | 2018-09-25 | 2018-12-18 | 江苏微能电子科技有限公司 | smoke alarm with high practicability |
| CN109035672A (en) * | 2018-09-25 | 2018-12-18 | 江苏微能电子科技有限公司 | Smoke alarm applied widely |
| CN109035674A (en) * | 2018-09-25 | 2018-12-18 | 江苏微能电子科技有限公司 | The smoke alarm being easily installed |
| CN109243133A (en) * | 2018-09-21 | 2019-01-18 | 江苏微能电子科技有限公司 | Intelligent smog warning system |
| CN109300274A (en) * | 2018-09-25 | 2019-02-01 | 江苏微能电子科技有限公司 | It can be from the smoke alarm of protection |
| CN109331381A (en) * | 2018-09-21 | 2019-02-15 | 江苏微能电子科技有限公司 | Smog alarm extinguishing device with fixed point spray function |
| CN113593166A (en) * | 2021-09-30 | 2021-11-02 | 江西润家工程有限公司 | Intelligent alarm for cleaning factory building and control method thereof |
| CN114783135A (en) * | 2022-03-05 | 2022-07-22 | 南昌高新技术产业开发区消防救援大队 | Fire alarm system |
| CN116709712A (en) * | 2023-08-02 | 2023-09-05 | 无锡大禹科技有限公司 | Environment early warning device and control method thereof |
| CN118172880A (en) * | 2024-04-12 | 2024-06-11 | 成都市城市安全与应急管理研究院 | Fire safety automatic alarm device |
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| US5486816A (en) * | 1992-04-25 | 1996-01-23 | Nohmi Bosai Ltd. | Fire detector having optic base clamping optic elements to a circuit board |
| CN2600878Y (en) * | 2003-02-26 | 2004-01-21 | 金巨宝 | End inlet type detection charmber for fire detector |
| CN205263988U (en) * | 2016-03-15 | 2016-05-25 | 宁波市乐星感应电器有限公司 | Novel smoke alarm of structure |
| CN106846706A (en) * | 2017-03-30 | 2017-06-13 | 杭州汤米智能科技有限公司 | Active-mode intelligent smoke alarm |
| CN206833649U (en) * | 2017-06-14 | 2018-01-02 | 苏州珀斯方得电子有限公司 | It is a kind of that there is the interim smoke alarm for visiting function |
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2018
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|---|---|---|---|---|
| US5486816A (en) * | 1992-04-25 | 1996-01-23 | Nohmi Bosai Ltd. | Fire detector having optic base clamping optic elements to a circuit board |
| CN2600878Y (en) * | 2003-02-26 | 2004-01-21 | 金巨宝 | End inlet type detection charmber for fire detector |
| CN205263988U (en) * | 2016-03-15 | 2016-05-25 | 宁波市乐星感应电器有限公司 | Novel smoke alarm of structure |
| CN106846706A (en) * | 2017-03-30 | 2017-06-13 | 杭州汤米智能科技有限公司 | Active-mode intelligent smoke alarm |
| CN206833649U (en) * | 2017-06-14 | 2018-01-02 | 苏州珀斯方得电子有限公司 | It is a kind of that there is the interim smoke alarm for visiting function |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243133A (en) * | 2018-09-21 | 2019-01-18 | 江苏微能电子科技有限公司 | Intelligent smog warning system |
| CN109331381A (en) * | 2018-09-21 | 2019-02-15 | 江苏微能电子科技有限公司 | Smog alarm extinguishing device with fixed point spray function |
| CN109300274B (en) * | 2018-09-25 | 2021-11-05 | 江苏微能电子科技有限公司 | Smoke alarm capable of self-protection |
| CN109035673A (en) * | 2018-09-25 | 2018-12-18 | 江苏微能电子科技有限公司 | smoke alarm with high practicability |
| CN109300274A (en) * | 2018-09-25 | 2019-02-01 | 江苏微能电子科技有限公司 | It can be from the smoke alarm of protection |
| CN109035672A (en) * | 2018-09-25 | 2018-12-18 | 江苏微能电子科技有限公司 | Smoke alarm applied widely |
| CN109035674B (en) * | 2018-09-25 | 2021-02-19 | 江苏微能电子科技有限公司 | Smoke alarm easy to install |
| CN109035674A (en) * | 2018-09-25 | 2018-12-18 | 江苏微能电子科技有限公司 | The smoke alarm being easily installed |
| CN113593166B (en) * | 2021-09-30 | 2022-01-25 | 江西润家工程有限公司 | Intelligent alarm for cleaning factory building and control method thereof |
| CN113593166A (en) * | 2021-09-30 | 2021-11-02 | 江西润家工程有限公司 | Intelligent alarm for cleaning factory building and control method thereof |
| CN114783135A (en) * | 2022-03-05 | 2022-07-22 | 南昌高新技术产业开发区消防救援大队 | Fire alarm system |
| CN114783135B (en) * | 2022-03-05 | 2024-04-26 | 南昌高新技术产业开发区消防救援大队 | Fire alarm system |
| CN116709712A (en) * | 2023-08-02 | 2023-09-05 | 无锡大禹科技有限公司 | Environment early warning device and control method thereof |
| CN116709712B (en) * | 2023-08-02 | 2023-10-03 | 无锡大禹科技有限公司 | Environment early warning device and control method thereof |
| CN118172880A (en) * | 2024-04-12 | 2024-06-11 | 成都市城市安全与应急管理研究院 | Fire safety automatic alarm device |
| CN118172880B (en) * | 2024-04-12 | 2024-08-23 | 成都市城市安全与应急管理研究院 | Fire safety automatic alarm device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108346255B (en) | 2019-09-03 |
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