CN113870519B - Mobile stage car smoke sensor based on internet of things protocol - Google Patents
Mobile stage car smoke sensor based on internet of things protocol Download PDFInfo
- Publication number
- CN113870519B CN113870519B CN202111456263.XA CN202111456263A CN113870519B CN 113870519 B CN113870519 B CN 113870519B CN 202111456263 A CN202111456263 A CN 202111456263A CN 113870519 B CN113870519 B CN 113870519B
- Authority
- CN
- China
- Prior art keywords
- baffle
- top cover
- motor
- smoke sensor
- screw rod
- 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.)
- Active
Links
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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
-
- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
- G16Y40/00—IoT characterised by the purpose of the information processing
- G16Y40/10—Detection; Monitoring
-
- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
- G16Y40/00—IoT characterised by the purpose of the information processing
- G16Y40/50—Safety; Security of things, users, data or systems
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computing Systems (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Computer Security & Cryptography (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Fire-Detection Mechanisms (AREA)
Abstract
The invention discloses a mobile stage vehicle smoke sensor based on an internet of things protocol, which comprises a casing, a power supply, a stage smoke sensor body, a loudspeaker, a processor, a circuit board, a first motor and a second motor, wherein a support is arranged inside the casing, the stage smoke sensor body is installed on the circuit board, alarm lamps are installed on two sides of the casing in a penetrating mode, the processor is fixed on the upper end face of the circuit board, an air pipe is fixed on the inner side of the casing, a rod part of the first motor is connected with fan blades, a baffle is connected inside the top cover, a gear is connected to the side of a gear ring, a fixing box is installed on the top of the top cover, a knob is connected with the top of a screw rod, the edge of the baffle is connected with the top cover, and a support is connected to the bottom of the screw rod. The invention can automatically clean the dust in the sensor, so that the stage smoke sensor can keep the sensitivity to smoke and the condition of false alarm of the device is prevented.
Description
Technical Field
The invention relates to the technical field of environment monitoring, in particular to a mobile stage vehicle smoke sensor based on an internet of things protocol.
Background
Stage smoke transducer monitors the air to the smog that exists in the on-the-spot air of small-size portable stage of response, including artificial smog, too big when smog concentration, stage smoke transducer just can inform light engineer and security personnel through light, sound and thing networking multiple mode.
However, the existing stage smoke sensor has the following problems:
1. the device is mainly used for top fire fighting, cannot move, can only monitor smoke in a fixed place, and has a small monitoring range;
2. the inside easy deposition of in-process stage smoke transducer that uses, the filtration pore is blocked easily to the dust, leads to smog to be difficult to by the interior stage smoke transducer response of filter screen, and the process of dust clearance is loaded down with trivial details, needs to dismantle the sensor.
In view of the above, there is a need to solve the problem of smoke monitoring when the mobile stage vehicle is used on site.
Disclosure of Invention
The invention aims to provide a movable stage smoke sensor, which aims to solve the problems that the existing stage smoke sensor is inconvenient to move, small in detection range, easy to accumulate dust inside and difficult to clean in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a mobile stage vehicle smoke sensor based on an Internet of things protocol comprises a casing, a power supply, a stage smoke sensor body, a loudspeaker, a processor, a circuit board, a first motor and a second motor, wherein a support is arranged in the casing, the support is fixedly provided with the power supply, the stage smoke sensor body is installed on the circuit board, the circuit board is fixed on the upper end face of the support, a first filter screen is arranged on the outer side of the stage smoke sensor body, alarm lamps are installed on two sides of the casing in a penetrating manner, the loudspeaker is connected to the inner side of the casing, the processor is fixed on the upper end face of the circuit board, an air pipe is fixed on the inner side of the casing and is located on the lateral side of the first motor, a rod part of the first motor is connected with fan blades, the fan blades are located in the air pipe, a dust collection box is arranged at the bottom of the air pipe, and a top cover is connected above the casing, and run through on the top cap and install the lead screw to the inboard of top cap is fixed with the brush, the top cap in-connection has the baffle, and the top of baffle is fixed with the ring gear, the avris of ring gear is connected with the gear, and the gear is fixed in the pole portion of second motor to the second motor is located fixed box, fixed box is installed in the top of top cap, and the avris of fixed box is provided with the knob, the top interconnect of knob and lead screw, and the outside of lead screw is connected with the baffle, the edge and the top cap interconnect of baffle, and the junction of top cap and casing is fixed with the second filter screen, the bottom of lead screw is connected with the support, and the lead screw passes through support and casing interconnect.
Preferably, the machine shell is connected with the bottom of the baffle in a clamping manner, and the baffle and the top cover form a rotating structure.
Preferably, the top cover is composed of a baffle and a brush, and the baffle is positioned above the brush.
Preferably, the gear ring is meshed with the gear, and the gear ring and the baffle form a welded integrated structure.
Preferably, the inner part of the baffle is designed to be in a thread-like structure, and the baffle is in threaded connection with the screw rod.
Compared with the prior art, the invention has the beneficial effects that: the stage smoke sensor based on the IOT protocol can clean dust in the stage smoke sensor, so that the stage smoke sensor can keep the sensitivity to smoke and prevent the device from generating false alarm;
1. the portable design is adopted, so that the device is convenient to move, the smoke in different places can be monitored conveniently, and the device is not limited by space;
2. the tuber pipe is the dust clearance structure of compriseing flabellum and dust collecting box, and the rotation of flabellum can produce the dust of negative pressure to the inside accumulation of casing and adsorb, and in the dust collecting box can subsided to fan stall back dust, the convenience was cleared up the dust, makes the device can not receive the influence of deposition and can keep the sensitivity to the dust.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of the side structure of the air duct of the present invention;
FIG. 4 is a schematic top view of the fan blade assembly of the present invention;
FIG. 5 is a schematic top view of the gear assembly of the present invention;
FIG. 6 is a schematic top view of the baffle installation of the present invention.
In the figure: 1. a housing; 2. a support; 3. a power source; 4. a stage smoke sensor body; 5. an alarm light; 6. a speaker; 7. a processor; 8. a circuit board; 9. an air duct; 10. a first motor; 11. a fan blade; 12. a first filter screen; 13. a screw rod; 14. a top cover; 15. a toothed ring; 16. a gear; 17. a fixing box; 18. a knob; 19. a baffle plate; 20. a dust collecting box; 21. a second filter screen; 22. a support; 23. a brush 24 and a second motor.
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. 1-6, the present invention provides a technical solution: a mobile stage vehicle smoke sensor based on an Internet of things protocol comprises a machine shell 1, a support 2, a power supply 3, a stage smoke sensor body 4, an alarm lamp 5, a loudspeaker 6, a processor 7, a circuit board 8, an air pipe 9, a first motor 10, fan blades 11, a first filter screen 12, a screw rod 13, a top cover 14, a toothed ring 15, a gear 16, a fixing box 17, a knob 18, a baffle plate 19, a dust collecting box 20, a second filter screen 21, a support 22, a brush 23 and a second motor 24, wherein the support 2 is arranged inside the machine shell 1, the power supply 3 is fixed on the support 2, the stage smoke sensor body 4 is installed on the circuit board 8, the circuit board 8 is fixed on the upper end face of the support 2, the first filter screen 12 is arranged on the outer side of the stage smoke sensor body 4, the alarm lamp 5 is installed on two sides of the machine shell 1 in a penetrating manner, and the loudspeaker 6 is connected on the inner side of the machine shell 1, the processor 7 is fixed on the upper end face of the circuit board 8, the inner side of the machine case 1 is fixed with an air pipe 9, the air pipe 9 is positioned at the side of the first motor 10, the rod part of the first motor 10 is connected with a fan blade 11, the fan blade 11 is positioned in the air pipe 9, the bottom of the air pipe 9 is provided with a dust collecting box 20, the upper part of the machine case 1 is connected with a top cover 14, the top cover 14 is provided with a screw rod 13 in a penetrating way, the inner side of the top cover 14 is fixed with a brush 23, the top cover 14 is connected with a baffle plate 19, the top of the baffle plate 19 is fixed with a toothed ring 15, the side of the toothed ring 15 is connected with a gear 16, the gear 16 is fixed on the rod part of a second motor 24, the second motor 24 is positioned in the fixing box 17, the fixing box 17 is installed on the top of the top cover 14, the side of the fixing box 17 is provided with a knob 18, the knob 18 is mutually connected with the top of the screw rod 13, the outer side of the screw rod 13 is connected with the baffle plate 19, the edge of the top cover 14 is mutually connected with the top cover 14, a second filter screen 21 is fixed at the joint of the top cover 14 and the casing 1, a bracket 22 is connected to the bottom of the screw rod 13, and the screw rod 13 is connected with the casing 1 through the bracket 22;
the machine shell 1 is connected with the bottom of the baffle plate 19 in a clamping manner, the baffle plate 19 and the top cover 14 form a rotating structure, the baffle plate 19 is internally designed into a thread-shaped structure, the baffle plate 19 is in threaded connection with the screw rod 13, so that the baffle plate 19 can lift along with the movement of the screw rod 13, the machine shell 1 is connected with the baffle plate 19 in a clamping manner, the machine shell 1 and the baffle plate 19 can keep a relative static state, and the situation that the baffle plate 19 cannot lift due to the fact that the baffle plate 19 synchronously rotates along with the screw rod 13 is avoided;
the top cap 14 comprises baffle 19 and brush 23 jointly, and baffle 19 is located the top of brush 23, baffle 19 can be with casing 1 block, make baffle 19 can not rotate along with the rotation of lead screw 13, lead to the device can not go up and down, baffle 19 top is fixed with ring gear 15, make ring gear 15 and gear 16 meshing be connected, and ring gear 15 and baffle 19 constitute welded integrated structure, make gear 16's rotation can make gear 16 move along ring gear 15, thereby drive top cap 14 and rotate, make the inboard brush 23 of top cap 14 can brush second filter screen 21, clear up the dust that blocks second filter screen 21, make ring gear 15 and baffle 19 be connected more firmly, ring gear 15 can not take place the separation with baffle 19.
The working principle is as follows: when the stage smoke sensor based on the IOT protocol is used, firstly, according to the figure 1, a handle on a machine shell 1 is lifted to place the device at a place with fire hazard, when smoke is generated in the environment, the smoke is sensed by a stage smoke sensor body 4 positioned on the inner side of a second filter screen 21 through a first filter screen 12 and the second filter screen 21, the stage smoke sensor body 4 can convert smoke signals into electric signals, the electric signals are processed by a processor 7 and transmitted to an alarm lamp 5 and a loudspeaker 6 which are connected to the same circuit board 8, so that the alarm lamp 5 and the loudspeaker 6 can remind a lighting engineer and security personnel in time to avoid fire, the alarm lamp 5 and the loudspeaker 6 are both fixed on the circuit board 8 positioned at the top of a support 2, the power supply 3 provides electric energy for the device to operate, and the first filter screen 12 and the second filter screen 21 can filter dust, to reduce the amount of dust entering the interior of the device;
according to fig. 1-6, after the stage smoke sensor is used for a long time, the interior of the housing 1 is prone to have a dust accumulation phenomenon, at this time, the knob 18 located at the top of the housing 1 is rotated, the knob 18 drives the screw rod 13 to descend, the screw rod 13 is in threaded connection with the baffle 19, the edge of the bottom of the baffle 19 is in clamping connection with the housing 1, the rotation of the screw rod 13 can drive the baffle 19 to descend, the bottom of the screw rod 13 is fixed with the bracket 22, the screw rod 13 is prevented from pressing the first filter screen 12, the first filter screen 12 is prevented from being damaged, the baffle 19 drives the top cover 14 to descend, the brush 23 on the inner side of the top cover 14 and the second filter screen 21 are mutually attached, the second motor 24 located inside the fixing box 17 is started, the second motor 24 drives the gear 16 to rotate, the gear 16 is in meshing connection with the toothed ring 15 at the top of the baffle 19, and the edge of the bottom of the baffle 19 is in clamping connection with the housing 1, so that the baffle 19 and the housing 1 keep a relatively static state, therefore, the toothed ring 15 can be kept in a relatively static state, the rotation of the gear 16 can drive the top cover 14 to move along the toothed ring 15, rollers (shown in the figure but not labeled) are fixed at the joint of the top cover 14 and the baffle 19, the rotation of the top cover 14 can be smoother, so that the brush 23 on the inner wall of the top cover 14 can clean dust in the filtering holes of the second filtering net 21, the first motor 10 in the machine shell 1 is started at the same time, the first motor 10 drives the fan blades 11 to rotate, the fan blades 11 rotate to generate negative pressure in the air pipe 9, the dust is adsorbed into the air pipe 9, when the fan blades 11 stop rotating, the dust in the air pipe 9 can be settled in the dust collecting box 20 at the bottom of the air pipe 9, so that the dust can be cleaned conveniently, and the device can be free from the influence of the dust, so that the sensitivity of the device can be kept.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides a remove stage car smoke transducer based on internet of things agreement, includes casing (1), power (3), stage smoke transducer body (4), speaker (6), treater (7), circuit board (8), first motor (10) and second motor (24), its characterized in that: the interior of the machine shell (1) is provided with a support (2), a power supply (3) is fixed on the support (2), the stage smoke sensor body (4) is installed on a circuit board (8), the circuit board (8) is fixed on the upper end face of the support (2), a first filter screen (12) is arranged on the outer side of the stage smoke sensor body (4), alarm lamps (5) are installed on two sides of the machine shell (1) in a penetrating mode, a loudspeaker (6) is connected to the inner side of the machine shell (1), a processor (7) is fixed on the upper end face of the circuit board (8), an air pipe (9) is fixed on the inner side of the machine shell (1), the air pipe (9) is located on the side of a first motor (10), a rod portion (11) of the first motor (10) is connected with the fan blade (11), the fan blade (11) is located in the air pipe (9), and a dust collection box (20) is arranged at the bottom of the air pipe (9), the top of the machine shell (1) is connected with a top cover (14), a screw rod (13) is installed on the top cover (14) in a penetrating mode, a brush (23) is fixed on the inner side of the top cover (14), a baffle (19) is connected in the top cover (14), a toothed ring (15) is fixed on the top of the baffle (19), a gear (16) is connected to the side of the toothed ring (15), the gear (16) is fixed on the rod portion of a second motor (24), the second motor (24) is located in a fixing box (17), the fixing box (17) is installed on the top of the top cover (14), a knob (18) is arranged on the side of the fixing box (17), the knob (18) is connected with the top of the screw rod (13) in an interconnecting mode, the outer side of the screw rod (13) is connected with the baffle (19), the edge of the baffle (19) is connected with the top cover (14) in an interconnecting mode, and a second filter screen (21) is fixed at the connecting position of the top cover (14) and the machine shell (1), the bottom of the screw rod (13) is connected with a bracket (22), the screw rod (13) is connected with the casing (1) through the bracket (22), the knob (18) is rotated, the knob (18) drives the screw rod (13) to descend, the rotation of the screw rod (13) drives the baffle (19) to descend, the baffle (19) drives the top cover (14) to descend, so that the brush (23) on the inner side of the top cover (14) is mutually attached to the second filter screen (21), the second motor (24) drives the gear (16) to rotate to drive the top cover (14) to displace along the toothed ring (15), the brush (23) can clean dust in the filtering holes of the second filter screen (21), the first motor (10) drives the fan blades (11) to rotate, the fan blades (11) rotate to generate negative pressure in the air pipe (9) to adsorb the dust into the air pipe (3), when the fan blades stop rotating, the dust in the air pipe (9) can be settled in the dust collection box (20).
2. The internet-of-things protocol-based mobile stage vehicle smoke sensor of claim 1, wherein: the machine shell (1) is connected with the bottom of the baffle (19) in a clamping mode, and the baffle (19) and the top cover (14) form a rotating structure.
3. The internet-of-things protocol-based mobile stage vehicle smoke sensor of claim 1, wherein: the top cover (14) is composed of a baffle plate (19) and a brush (23), and the baffle plate (19) is positioned above the brush (23).
4. The internet-of-things protocol-based mobile stage vehicle smoke sensor of claim 1, wherein: the gear ring (15) is meshed with the gear (16), and the gear ring (15) and the baffle (19) form a welded integrated structure.
5. The internet-of-things protocol-based mobile stage vehicle smoke sensor of claim 1, wherein: the inner part of the baffle (19) is designed to be in a thread-shaped structure, and the baffle (19) is in threaded connection with the screw rod (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111456263.XA CN113870519B (en) | 2021-12-02 | 2021-12-02 | Mobile stage car smoke sensor based on internet of things protocol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111456263.XA CN113870519B (en) | 2021-12-02 | 2021-12-02 | Mobile stage car smoke sensor based on internet of things protocol |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113870519A CN113870519A (en) | 2021-12-31 |
| CN113870519B true CN113870519B (en) | 2022-02-22 |
Family
ID=78985548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111456263.XA Active CN113870519B (en) | 2021-12-02 | 2021-12-02 | Mobile stage car smoke sensor based on internet of things protocol |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113870519B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012089988A1 (en) * | 2010-12-29 | 2012-07-05 | Saint-Gobain Glass France | Method for manufacturing a silkscreen printed laminated glass panel using a double-weave silkscreen |
| CN210762263U (en) * | 2019-11-07 | 2020-06-16 | 万安裕维电子有限公司 | Storage device for PCB processing |
| CN212382565U (en) * | 2020-04-02 | 2021-01-22 | 陈秋丽 | Dust cleaning device for building engineering environmental protection |
| CN112525786A (en) * | 2020-11-26 | 2021-03-19 | 马鞍山鸿儒工业设计有限公司 | Building smoke-proof monitoring equipment based on dust environment and use method thereof |
| CN213556001U (en) * | 2020-10-27 | 2021-06-29 | 湖北星微电节能科技有限责任公司 | Air inlet dust keeper for fresh air machine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060176169A1 (en) * | 2004-12-17 | 2006-08-10 | The Regents Of The University Of California | System for sensing environmental conditions |
| CN209980416U (en) * | 2018-12-27 | 2020-01-21 | 重庆阿拉丁魔方酒店管理有限公司 | Automatic smoke monitoring alarm for hotel rooms |
| CN211210284U (en) * | 2019-11-08 | 2020-08-07 | 陈负宇 | Dust filtering and ventilating device for communication base station machine room |
| CN211384478U (en) * | 2019-12-25 | 2020-09-01 | 广西霸普环保科技有限公司 | Industrial dust removal device for preventing dust filter from being damped |
| CN213024713U (en) * | 2020-09-27 | 2021-04-20 | 广州华安消防有限公司 | Wireless smoke detector alarm based on NBIOT technology |
| CN213458354U (en) * | 2020-11-30 | 2021-06-15 | 邓凤英 | Household fire monitoring and alarming device |
-
2021
- 2021-12-02 CN CN202111456263.XA patent/CN113870519B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012089988A1 (en) * | 2010-12-29 | 2012-07-05 | Saint-Gobain Glass France | Method for manufacturing a silkscreen printed laminated glass panel using a double-weave silkscreen |
| CN210762263U (en) * | 2019-11-07 | 2020-06-16 | 万安裕维电子有限公司 | Storage device for PCB processing |
| CN212382565U (en) * | 2020-04-02 | 2021-01-22 | 陈秋丽 | Dust cleaning device for building engineering environmental protection |
| CN213556001U (en) * | 2020-10-27 | 2021-06-29 | 湖北星微电节能科技有限责任公司 | Air inlet dust keeper for fresh air machine |
| CN112525786A (en) * | 2020-11-26 | 2021-03-19 | 马鞍山鸿儒工业设计有限公司 | Building smoke-proof monitoring equipment based on dust environment and use method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 一种太阳电池板智能除尘器设计;张军斌;《太阳能学报》;20170831;2228-2223 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113870519A (en) | 2021-12-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220020387U (en) | Fire alarm | |
| CN219716195U (en) | Fire smoke detection device | |
| CN113870519B (en) | Mobile stage car smoke sensor based on internet of things protocol | |
| CN209980416U (en) | Automatic smoke monitoring alarm for hotel rooms | |
| CN107837639A (en) | A kind of coal yard dedusting environment friendly equipment | |
| CN210868075U (en) | Anti-interference pickup for fire-fighting Internet of things construction | |
| CN110420507B (en) | Device capable of automatically absorbing smoke and using method | |
| CN220290287U (en) | Temperature cigarette alarm monitoring device | |
| CN218819923U (en) | Aviation obstruction beacon with lightning-arrest structure | |
| CN216388291U (en) | Automatic smoke alarm device of box-type substation | |
| CN216747298U (en) | Detection apparatus for toilet's fan filter unit | |
| CN207899181U (en) | A kind of coal yard dedusting environment friendly equipment | |
| CN111654596A (en) | Security monitoring camera with cleaning function based on Internet of things | |
| CN113075070B (en) | Wall hardness detection device with anti-abrasion mechanism | |
| CN211290218U (en) | Induction type is from opening smoke extractor | |
| CN213659642U (en) | Gas alarm with gas detection unit and remote transmission function | |
| CN211725075U (en) | Multi-layer filtering self-cleaning air dust absorption purifier | |
| CN209927828U (en) | Dustproof gas detector | |
| CN215599789U (en) | Household early warning device for fire prevention | |
| CN110967456A (en) | Energy-saving environment monitoring device | |
| CN215002048U (en) | Indoor ventilation device with dust removal function | |
| CN217247589U (en) | Novel explosion-proof dust removal of metalworking device | |
| CN219978933U (en) | Fire control fire alarm structure | |
| CN112944535A (en) | Temperature monitoring device for fire-fighting smoke exhaust pipeline | |
| CN214799270U (en) | Be applied to heat abstractor on mine locomotive converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |