CN107093302A - Intelligent building fire video monitoring system based on CAN - Google Patents

Intelligent building fire video monitoring system based on CAN Download PDF

Info

Publication number
CN107093302A
CN107093302A CN201710201294.8A CN201710201294A CN107093302A CN 107093302 A CN107093302 A CN 107093302A CN 201710201294 A CN201710201294 A CN 201710201294A CN 107093302 A CN107093302 A CN 107093302A
Authority
CN
China
Prior art keywords
fire
module
fire extinguishing
monitoring
development platform
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.)
Pending
Application number
CN201710201294.8A
Other languages
Chinese (zh)
Inventor
陈宗强
苏静
濮斌
张宇翔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BEIJING SEMICONDUCTOR LIGHTING TECHNOLOGY PROMOTION CENTER
Changzhou Wujin Semiconductor Lighting Application Technology Institute
Original Assignee
BEIJING SEMICONDUCTOR LIGHTING TECHNOLOGY PROMOTION CENTER
Changzhou Wujin Semiconductor Lighting Application Technology Institute
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BEIJING SEMICONDUCTOR LIGHTING TECHNOLOGY PROMOTION CENTER, Changzhou Wujin Semiconductor Lighting Application Technology Institute filed Critical BEIJING SEMICONDUCTOR LIGHTING TECHNOLOGY PROMOTION CENTER
Priority to CN201710201294.8A priority Critical patent/CN107093302A/en
Publication of CN107093302A publication Critical patent/CN107093302A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C37/00Control of fire-fighting equipment
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01Alarm 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
    • G08B25/08Alarm 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

Abstract

The present invention relates to a kind of intelligent building fire video monitoring system based on CAN, it includes being arranged at the CAN nodes in required room in each floor or building in building, and the CAN nodes are connected by CAN with fire hazard monitoring center;The CAN nodes are included for the CAN module being connected with CAN and the monitoring being connected with CAN module fire extinguishing subsystem, the monitoring fire extinguishing subsystem includes the firefighting robot for being used to monitor fire information and can be put out a fire, firefighting robot is connected by CAN module, CAN and fire hazard monitoring center, and the field data information of firefighting robot monitoring can be transmitted to fire hazard monitoring center by CAN module, CAN.Compact conformation of the present invention, can realize the fire hazard monitoring of whole building and realize effectively fire extinguishing in time, safe and reliable.

Description

Intelligent building fire video monitoring system based on CAN
Technical field
The present invention relates to a kind of building fire video monitoring system, especially a kind of intelligent building fire based on CAN Calamity video monitoring system, belongs to the technical field of building fire hazard monitoring.
Background technology
Fire is the major hidden danger for threatening human life's property safety, and especially in recent years, the fire taken place frequently gives people The harm for causing great Loss of Life and property, especially inside fire is more serious.In time find fire source and and When take effective fire protection, the especially monitoring of inside fire flame just to seem especially important so that the research of this respect times It is concerned.
According to statistics, fire 125402 altogether occurred in 2011 for China, caused 1106 people dead, direct economic loss 19.8 hundred million Member.The wildfire that in June, 2011, Shanghai occurred, causes 58 people dead, 1.58 hundred million yuan of direct economic loss.These are startling Numeral teach that:If just flame can be detected by certain means in fire early period of origination and alarmed, while taking appropriate Incipient flame is put out in measure, it is possible to fire is eliminated in bud, and greatly reduces various losses.So, inside fire The detection of flame is studied and positions and put out a fire in time using firefighting robot, with important practical significance and practical value.
Existing technical scheme mainly use sensor obtain scene various data messages, mostly just in Indoor environment, whole building are not related to.
The content of the invention
The purpose of the present invention be overcome the deficiencies in the prior art there is provided it is a kind of based on CAN can only building Fire video monitoring system, its compact conformation can realize the fire hazard monitoring of whole building and realize effectively fire extinguishing, safety in time Reliably.
The technical scheme provided according to the present invention, the intelligent building fire video monitoring system based on CAN, bag The CAN nodes in room needed for being arranged in building in each floor or building are included, the CAN nodes pass through CAN and fire Surveillance center connects;
The CAN nodes include being used for the CAN module being connected with CAN and the monitoring being connected with the CAN module Fire extinguishing subsystem, the monitoring fire extinguishing subsystem includes being used to monitor fire information and the fire extinguishing machine that can be put out a fire People, firefighting robot is connected by CAN module, CAN and fire hazard monitoring center, the field data letter of firefighting robot monitoring Breath can be transmitted to fire hazard monitoring center by CAN module, CAN.
The firefighting robot includes fire extinguishing machine human body and for controlling fire extinguishing machine human body's motion state Embedded development platform, the embedded development platform is connected by DC servo motor with fire extinguishing machine human body, spray Device human body is connected by absolute value encoder with embedded development platform, and embedded development platform also with firefighting robot sheet It is used for the fire extinguisher connection put out a fire on body.
The embedded development platform is described by wireless router and CAN module and local monitor end wireless connection The field data monitoring module for obtaining field data information, embedded development platform energy are additionally provided with embedded development platform By the field data information transfer of acquisition to local monitor end.
The local monitor end includes PC, and local monitor end can will receive field data information transfer to Web browser.
The CAN module is fixed on corresponding floor or room, and the material of CAN includes twisted-pair feeder.
The field data monitoring module include cradle head camera, flame sensor, Smoke Sensor, temperature sensor, Humidity sensor, ultrasonic sensor and gas analyzer.
Advantages of the present invention:CAN nodes are set in the floor or room of building, and CAN nodes pass through CAN and fire Surveillance center connects, and the monitoring fire extinguishing subsystem in CAN nodes can realize the collection to field data information, and transmit to fire In Surveillance center;When it is determined that there is flame, the firefighting robot in monitoring fire extinguishing subsystem can move paper flame location, and profit Spray fire extinguisher and put out a fire, it is safe and reliable so as to realize the fire hazard monitoring of whole building and realize effectively fire extinguishing in time.
Brief description of the drawings
Fig. 1 is schematic diagram of the invention.
Fig. 2 is the topological diagram of CAN of the present invention.
Fig. 3 monitors the block diagram of fire extinguishing subsystem for the present invention.
Fig. 4 is the workflow diagram for monitoring fire extinguishing subsystem of the invention.
Description of reference numerals:1- fire hazard monitorings center, 2-CAN buses, 3- terminal resistances, 4- bus transceivers, 5- buses Controller, 6-CAN nodes, 7- embedded development platforms, 8- power supplys, 9- cradle head cameras, 10- flame sensors, 11- smog are passed Sensor, 12- temperature sensors, 13- humidity sensors, 14- ultrasonic sensors, 15- gas analyzers, 16- fire extinguishers, 17- Absolute value encoder, 18- DC servo motors, 19- fire extinguishing machines human body, 20-GSM modules, 21-CAN modules, 22-Web are clear Look at device, 23- internets, 24- local monitors end and 25- wireless routers.
Embodiment
With reference to specific drawings and examples, the invention will be further described.
As depicted in figs. 1 and 2:In order to realize the fire hazard monitoring of whole building and realize effectively fire extinguishing, this hair in time The CAN nodes 6 in bright room needed for including being arranged in building in each floor or building, the CAN nodes 6 pass through CAN 2 It is connected with fire hazard monitoring center 1;
The CAN nodes 6 include the CAN module 21 for being connected with CAN 2 and are connected with the CAN module 21 Monitoring fire extinguishing subsystem, monitoring fire extinguishing subsystem includes being used to monitor fire information and the fire extinguishing that can be put out a fire Robot, firefighting robot is connected by CAN module 21, CAN 2 with fire hazard monitoring center 1, and what firefighting robot was monitored shows Field data information can be transmitted to fire hazard monitoring center 1 by CAN module 21, CAN 2.
Specifically, can building one CAN node 6 of each storey setting, or in each room of building floor CAN nodes 6 are respectively provided with, CAN nodes 6 can also be respectively provided with the floor and room of building, the ground of CAN nodes 6 is specifically set Situation can carry out selection determination as needed, and specially known to those skilled in the art, here is omitted.CAN nodes 6 It is connected, when being connected using CAN 2, is can ensure that in CAN nodes 6 and fire hazard monitoring with fire hazard monitoring center 1 by CAN 2 The reliability and stability of 1 data communication of the heart.
The specific topology of CAN 2 is as shown in Fig. 2 specifically include bus control unit 5 and bus transceiver 4, and bus is received Hair device 4 is connected with CAN 2, and terminal resistance 3 is set in CAN 2, and CAN nodes 6 are connected with bus control unit 5.CAN In topology, bus control unit 5 and bus transceiver 4 are key component, by bus transceiver 4 and bus control unit 5 come real The physical layer and data link layer protocol of existing bus, you can to realize the communication of network.Bus control unit 5, bus transceiver 4, The cooperation of knot terminal resistance 3 and CAN 2, and specific engagement process between CAN nodes 6 and bus control unit 5 is this skill Known to the personnel of art field, here is omitted.
In order to be able to realize the fire hazard monitoring to building, CAN nodes 6 include CAN module 21 and Monitor And Control Subsystem, wherein, The CAN module 21 is fixed on corresponding floor or room, and the material of CAN 2 includes twisted-pair feeder.Pass through firefighting robot energy Realize to field data information in building correspondence room or floor, and by the field data information transfer of acquisition into fire hazard monitoring The heart 1, so as to realize the effective monitoring of fire in building.
As shown in figure 3, the firefighting robot includes fire extinguishing machine human body 19 and for controlling firefighting robot sheet The embedded development platform 7 of the motion state of body 19, the embedded development platform 7 passes through DC servo motor 18 and fire extinguishing machine Human body 19 is connected, and fire extinguishing machine human body 19 is connected by absolute value encoder 17 with embedded development platform 7, and embedded Development platform 7 is also connected with the fire extinguisher 16 for being used to put out a fire on fire extinguishing machine human body 19.
In the embodiment of the present invention, fire extinguishing machine human body 19 specifically includes robot housing and for supporting robot to transport Dynamic motion, the specific constructive form of fire extinguishing machine human body 19 is no longer gone to live in the household of one's in-laws on getting married herein known to those skilled in the art State.Embedded development platform 7 from ARM Multi-axis motion control cards as firefighting robot control core, its advantage mainly include with Under several aspects:A), from 32 ARM11 microprocessor S3C6410 of Samsung, CPU base ARM1176JZF-S cores design, Itself be integrated with the various functions needed for motor control, such as PWM controls, encoder information collection, meanwhile, be also integrated with SCI, SPI, CAN communication;B), CPU maximum operating frequencies 667Mhz, using three class pipeline, disclosure satisfy that firefighting robot is transported The requirement of dynamic realtime control, meanwhile, high-precision timing cycle also meet ultrasonic sensor etc. to requirement of real-time compared with The requirement of high peripheral hardware;C), independent kinetic control system, a variety of bus communications make system more modularization, it is easy to safeguarded And secondary development.
Embedded development platform 7 realizes the motion to fire extinguishing machine human body 19 by DC servo motor 18, by exhausted Value encoder 17 is acquired to the movable information of fire extinguishing machine human body 19, can realize that the motion to firefighting robot is closed Ring is controlled.Embedded development platform 7 can control the work of fire extinguisher 16, when fire extinguisher 16 works, and can realize to monitoring fire extinguishing Room or floor where subsystem are put out a fire.
Further, the embedded development platform 7 passes through wireless router 25 and CAN module 21 and local monitor end The field data monitoring module for obtaining field data information is additionally provided with 24 wireless connections, the embedded development platform 7, Embedded development platform 7 can be by the field data information transfer of acquisition to local monitor end 24.
In the embodiment of the present invention, the local monitor end 24 includes PC, and local monitor end 24 can will receive field data Information transfer is to Web browser 22.The field data information transfer that embedded development platform 7 obtains field data monitoring module To local monitor end 24, the purpose of local monitor is realized in the storage by local monitor end 24 to field data information.Local monitor The field data information of reception can be written in WEB databases by end 24, and the WEB databases set up TCP with Web browser 2 Connection, so as to which the data received by local monitor end 24 to be further sent to long-range Web browser 2 in real time, so as to Early warning can be made in time for the video and other various data message sizes at scene.
The field data monitoring module includes cradle head camera 9, flame sensor 10, Smoke Sensor 11, temperature and passed Sensor 12, humidity sensor 13, ultrasonic sensor 14 and gas analyzer 15.
In the embodiment of the present invention, cradle head camera 9 come obtain scene video information, obtain fire using flame sensor 10 The information of flame, smokescope is obtained using Smoke Sensor 11, and current temperature is detected using temperature sensor 12, is utilized Humidity sensor 13 can obtain the humidity of current environment, can be realized using gas analyzer 15 and the gas of current environment is divided Analysis.
Embedded development platform 7 utilizes cradle head camera 9, flame sensor 10, Smoke Sensor 11, temperature sensor 12nd, humidity sensor 13, ultrasonic sensor 14 and gas analyzer 15 are used as and are vision module and tactile module to obtain To the various data messages of scene of fire, so as to which positioning is identified to live flame, optimum path planning is made, driving is gone out Firearm 16 puts out flame.
In addition, also include the power module 8 for providing working power and the gsm module 20 for data transfer, electricity Source module 8 and gsm module 20 are connected with embedded development platform 7.
As shown in figure 4, being the workflow diagram of present invention fire extinguishing Monitor And Control Subsystem, first in field data monitoring module Each sensor startup work, can realize ultrasonic avoidance by ultrasonic sensor 14, that is, can ensure that firefighting robot can be moved effectively It is dynamic, the detailed process of avoidance is carried out known to those skilled in the art using the ultrasonic wave of ultrasonic sensor 14, herein not Repeat again.Flame has been detected whether using flame sensor 10, when it is determined that there is flame, Smoke Sensor 11, temperature has been utilized Sensor 12, humidity sensor 13 and gas analyzer 15 judge the direction of motion of fire extinguishing machine human body 19, and now, Embedded development platform 7 starts cradle head camera 9, and flame location is determined using the image of cradle head camera 9;When utilizing flame When sensor 10 does not find flame, then realize fire extinguishing machine human body's 19 using the avoiding obstacles by supersonic wave of ultrasonic wave sensor 14 Motion.
After fire extinguishing machine human body 19 moves, judged whether using flame sensor 10 close to flame, when close to flame When, embedded development platform 7 stops driving fire extinguishing machine human body 19 by DC servo motor 18 so that firefighting robot sheet The stop motion of body 19.Flame location is determined by the image of cradle head camera 9, and opens fire extinguisher 16,16 pairs of fire extinguisher is utilized The position of flame is put out a fire, until flame is put out.Specifically, field data information during monitoring fire extinguishing subsystem work can be with In real-time Transmission to fire hazard monitoring center 1 or in local monitor end 24, so that the storage to field data information is with reviewing.
The present invention sets CAN nodes 6 in the floor or room of building, and CAN nodes 6 pass through CAN 2 and fire hazard monitoring Center 1 is connected, and the monitoring fire extinguishing subsystem in CAN nodes 6 can realize the collection to field data information, and transmit to fire prison In control center 1;When it is determined that there is flame, the firefighting robot in monitoring fire extinguishing subsystem can move paper flame location, and profit Spray fire extinguisher and 16 put out a fire, it is safe and reliable so as to realize the fire hazard monitoring of whole building and realize effectively fire extinguishing in time.

Claims (6)

1. a kind of intelligent building fire video monitoring system based on CAN, it is characterized in that:It is each including being arranged in building The CAN nodes (6) in room needed in floor or building, the CAN nodes (6) pass through CAN (2) and fire hazard monitoring center (1) connect;
The CAN nodes (6) include being used for the CAN module (21) that is connected with CAN (2) and with the CAN module (21) The monitoring fire extinguishing subsystem of connection, the monitoring fire extinguishing subsystem includes being used for what is monitored fire information and can be put out a fire Firefighting robot, firefighting robot is connected by CAN module (21), CAN (2) with fire hazard monitoring center (1), fire extinguishing machine The field data information of people's monitoring can be transmitted by CAN module (21), CAN (2) in fire hazard monitoring center (1).
2. the intelligent building fire video monitoring system according to claim 1 based on CAN, it is characterized in that:It is described Firefighting robot includes fire extinguishing machine human body (19) and the insertion for controlling fire extinguishing machine human body (19) motion state Formula development platform (7), the embedded development platform (7) is connected by DC servo motor (18) and fire extinguishing machine human body (19) Connect, fire extinguishing machine human body (19) is connected by absolute value encoder (17) with embedded development platform (7), and embedded development Platform (7) is also connected with the fire extinguisher (16) for being used to put out a fire on fire extinguishing machine human body (19).
3. the intelligent building fire video monitoring system according to claim 2 based on CAN, it is characterized in that:It is described Embedded development platform (7) passes through wireless router (25) and CAN module (21) and local monitor end (24) wireless connection, institute State the field data monitoring module being additionally provided with embedded development platform (7) for obtaining field data information, embedded development Platform (7) can be by the field data information transfer of acquisition to local monitor end (24).
4. the intelligent building fire video monitoring system according to claim 3 based on CAN, it is characterized in that:It is described Local monitor end (24) includes PC, and local monitor end (24) can will receive field data information transfer to Web browser (22).
5. the intelligent building fire video monitoring system based on CAN according to Claims 2 or 3, it is characterized in that:Institute State CAN module (21) and be fixed on corresponding floor or room, the material of CAN (2) includes twisted-pair feeder.
6. the intelligent building fire video monitoring system according to claim 3 based on CAN, it is characterized in that:It is described Field data monitoring module includes cradle head camera (9), flame sensor (10), Smoke Sensor (11), temperature sensor (12), humidity sensor (13), ultrasonic sensor (14) and gas analyzer (15).
CN201710201294.8A 2017-03-30 2017-03-30 Intelligent building fire video monitoring system based on CAN Pending CN107093302A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710201294.8A CN107093302A (en) 2017-03-30 2017-03-30 Intelligent building fire video monitoring system based on CAN

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710201294.8A CN107093302A (en) 2017-03-30 2017-03-30 Intelligent building fire video monitoring system based on CAN

Publications (1)

Publication Number Publication Date
CN107093302A true CN107093302A (en) 2017-08-25

Family

ID=59649257

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710201294.8A Pending CN107093302A (en) 2017-03-30 2017-03-30 Intelligent building fire video monitoring system based on CAN

Country Status (1)

Country Link
CN (1) CN107093302A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107767613A (en) * 2017-09-30 2018-03-06 吉林建筑大学 A kind of universal fire-fighting control device and method
CN108345247A (en) * 2018-02-26 2018-07-31 杭州智仁建筑工程有限公司 A kind of autocontrol method
CN109343616A (en) * 2018-10-11 2019-02-15 湖南鑫垒科技有限公司 A kind of control system and control method of the storehouse environmental management of ordnance weapons
CN113472867A (en) * 2021-06-24 2021-10-01 武汉虹信技术服务有限责任公司 Intelligent building safety control emergency processing system and method based on cloud computing

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2492883A1 (en) * 2011-02-25 2012-08-29 Guangzhou SAT Infrared Technology Co., Ltd. Integrated system and method for security monitoring and early fire alarming
CN104299351A (en) * 2014-10-22 2015-01-21 常州大学 Intelligent early warning and fire extinguishing robot
CN104914836A (en) * 2015-05-27 2015-09-16 合肥卓元科技服务有限公司 Building automation system based on CAN bus
CN105234952A (en) * 2015-11-16 2016-01-13 江苏拓新天机器人科技有限公司 Household monitoring robot control system based on STM32
CN105354966A (en) * 2015-12-15 2016-02-24 广西师范大学 Fire detection vehicle based on Mecanum wheels
CN205594380U (en) * 2016-04-22 2016-09-21 上海众平科技有限公司 Intelligent monitoring robot

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2492883A1 (en) * 2011-02-25 2012-08-29 Guangzhou SAT Infrared Technology Co., Ltd. Integrated system and method for security monitoring and early fire alarming
CN104299351A (en) * 2014-10-22 2015-01-21 常州大学 Intelligent early warning and fire extinguishing robot
CN104914836A (en) * 2015-05-27 2015-09-16 合肥卓元科技服务有限公司 Building automation system based on CAN bus
CN105234952A (en) * 2015-11-16 2016-01-13 江苏拓新天机器人科技有限公司 Household monitoring robot control system based on STM32
CN105354966A (en) * 2015-12-15 2016-02-24 广西师范大学 Fire detection vehicle based on Mecanum wheels
CN205594380U (en) * 2016-04-22 2016-09-21 上海众平科技有限公司 Intelligent monitoring robot

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107767613A (en) * 2017-09-30 2018-03-06 吉林建筑大学 A kind of universal fire-fighting control device and method
CN108345247A (en) * 2018-02-26 2018-07-31 杭州智仁建筑工程有限公司 A kind of autocontrol method
CN109343616A (en) * 2018-10-11 2019-02-15 湖南鑫垒科技有限公司 A kind of control system and control method of the storehouse environmental management of ordnance weapons
CN113472867A (en) * 2021-06-24 2021-10-01 武汉虹信技术服务有限责任公司 Intelligent building safety control emergency processing system and method based on cloud computing
CN113472867B (en) * 2021-06-24 2023-03-24 武汉虹信技术服务有限责任公司 Intelligent building safety control emergency processing system and method based on cloud computing

Similar Documents

Publication Publication Date Title
CN107093302A (en) Intelligent building fire video monitoring system based on CAN
CN108785944B (en) A kind of fire plant and fire-fighting robot
CN105160807A (en) Firefighter safety positioning system based on UWB and positioning method thereof
CN102526919B (en) Intelligent system integrated with routing inspection, evacuation and firefighter guide
CN207164940U (en) A kind of fire-fighting sensorcraft
CN203949331U (en) A kind of air purifier wireless monitor system based on Internet of Things Android platform
CN106781182A (en) Building fire-fighting hierarchical intelligence management system and operating method
CN212847133U (en) Fire scene environment remote monitoring system of fire-fighting robot
CN105938645A (en) Wireless intelligent tunnel fire hazard monitoring system and method
CN106525138A (en) Electric power tunnel monitoring management method and management system thereof
CN202508708U (en) Elevator evacuation system
CN105288920A (en) Full-automatic fire-extinguishing and rescue robot system based on internal communication
CN206892594U (en) A kind of Internet of Things intellectuality cleaner electrostatic monitoring system and control system
CN106730554A (en) Intelligent early-warning firefighting robot based on built-in Linux
CN106429696A (en) Intelligent fire-fighting control system in building elevator
CN106228733A (en) A kind of indoor fire-fighting monitoring early-warning system
CN204029095U (en) Transformer station and Combustible Place fire alarm machine people
CN109224342A (en) Hanger rail type Initiative Defense intelligent alarm firefighting robot
CN110933593B (en) Safety prevention and control system based on UWB technology
CN206777653U (en) Firefighting robot intelligent monitor system
CN205028419U (en) Fire fighter's safety positioning system based on UWB
CN210135418U (en) Indoor track inspection device
CN202526816U (en) Indoor fire-control intelligent monitoring spray system
CN206388037U (en) Internet of Things gas meter, flow meter system
CN205451366U (en) Intelligence fire monitoring system

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
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20170825