CN207382470U - A kind of video monitoring gas applied to restricted clearance detects prior-warning device - Google Patents
A kind of video monitoring gas applied to restricted clearance detects prior-warning device Download PDFInfo
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- CN207382470U CN207382470U CN201721555448.5U CN201721555448U CN207382470U CN 207382470 U CN207382470 U CN 207382470U CN 201721555448 U CN201721555448 U CN 201721555448U CN 207382470 U CN207382470 U CN 207382470U
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Abstract
A kind of video monitoring gas applied to restricted clearance detects prior-warning device, belongs to restricted clearance gas detection technology field, can not early warning when the utility model is difficult to be monitored in real time to solve the problems, such as restricted clearance and gas generates variation in restricted clearance.Main body is mounted on Portable vehicle, detecting and controlling system is equipped in main body, the front end of main body is from top to bottom equipped with data acquisition window and video monitoring window, the right side of main body is from top to bottom equipped with explosion-proof audible-visual annunciator and start button, the left side of main body is from top to bottom provided with pressure regulation filter, the outlet of sample gas and charging interface, pressure regulation filter is equipped with sample gas inlet, multiple transmission antennas and explosion-proof socket are equipped on the upper surface of main body side by side, B ends Explosionproof camera and A ends Explosionproof camera are connected by anti-explosion plug with explosion-proof socket.A kind of video monitoring gas detection prior-warning device applied to restricted clearance of the utility model can monitor restricted clearance in real time, detect and early warning.
Description
Technical field
The utility model is related to a kind of gas-detecting devices, and in particular to a kind of video monitoring gas applied to restricted clearance
Prior-warning device is surveyed in physical examination, belongs to restricted clearance gas detection technology field.
Background technology
In recent years, with reference to China PetroChemical Corporation's file " on printing and distributing《Sinopec Ignition work safety management
Regulation》Notice " in propose that Ignition work scene must implement video monitoring, meet standard GB/T 50493-2009《Oil
Chemical enterprise fuel gas and toxic gas detection alarm design》The requirement of specification.
30 divide during the May in 2017 of morning 3 on the 13rd, and chlorine occurs for Cangzhou, Hebei Province Li Xing specific rubbers limited company
Leakage accident causes the said firm scene employee and neighbouring personnel to be poisoned, and by emergency evacuation, accident causes more than 1,000 people of the periphery masses
2 people are dead, 25 people are hospitalized for treatment.
20 divide during the May in 2016 of evening 7 on the 31st, and the new southern paper company goods yard in PORT OF TIANJIN catches fire, and burnt area is about
1000 square meters.By morning June 1, still there is fragmentary flare at scene, and the intensity of a fire is not put out yet.Fire behavior is for 8 hours！Three
The violent intensity of a fire can be seen in kilometer！
41 divide during 11 days 11 June in 2017, and No. 39 production tanks of Jia Hua Energy Co., Ltd. of Henan Province catch fire.And
Same accident, Shandong a few days ago had just occurred together.
Accident is together then together！Behind per accident, gently then hinders, heavy then dead, and it is uneasy that we can summarize these
The immediate cause of accident, remote cause each time are thought deeply in full behavior, but we do not save the life that those are passed but,
It is difficult to stop the frequent generation of accident at one's side.Therefore, it is necessary to a kind of gas detections that can monitor early warning in real time to restricted clearance
Device.
Utility model content
The purpose of this utility model is to provide a kind of video monitoring gas applied to restricted clearance and detects prior-warning device, with
Solving the problems, such as can not early warning when restricted clearance is difficult to be monitored in real time and gas generates variation in restricted clearance.
A kind of video monitoring gas detection prior-warning device applied to restricted clearance includes Portable vehicle, main body, video
Monitoring window, start button, data acquisition window, explosion-proof audible-visual annunciator, explosion-proof socket, B ends Explosionproof camera, A ends are explosion-proof
Camera, transmission antenna, pressure regulation filter, the outlet of sample gas and detecting and controlling system；
The main body is mounted on Portable vehicle, and storage tank is equipped between Portable vehicle and main body, detection control is equipped in main body
System, the front end of main body are from top to bottom equipped with data acquisition window and video monitoring window, and the right side of main body is from top to bottom installed
There are explosion-proof audible-visual annunciator and start button, the left side of main body is from top to bottom provided with pressure regulation filter, the outlet of sample gas and charges
Interface, pressure regulation filter are equipped with sample gas inlet, multiple transmission antennas and explosion-proof socket, B are equipped with side by side on the upper surface of main body
End Explosionproof camera and A ends Explosionproof camera are connected by anti-explosion plug with explosion-proof socket；
The detecting and controlling system include central processing unit, power supply unit, auxiliary emergency unit, gas detection cell,
Pumping unit, video monitor unit, intercommunication unit, acousto-optic warning unit, communication unit, display unit；
The central processing unit is respectively with aiding in emergency unit, gas detection cell, video monitor unit, intercommunication list
Member, acousto-optic warning unit, communication unit are connected with display unit, and said supply unit is respectively with aiding in emergency unit, gas
Detection unit is connected with pumping unit, and passes through gas detection cell and be connected with central processing unit, the pumping unit with
Gas detection cell is connected.
Preferably：The central processing unit be microcontroller, said supply unit be lithium battery or accumulator, the gas
Detection unit is gas sensor, and the pumping unit is made of air pump, strainer valve and tracheae, and air pump is entered by tracheae and sample gas
Mouth connection, sample gas inlet are connected by tracheae with space to be measured, and strainer valve is mounted on tracheae.
Preferably：The video monitor unit includes camera, video processing module, storage module, 3G/4G communication moulds
Block, wireless module and sound and light alarm module, camera are connected with video processing module, and video processing module leads to respectively with 3G/4G
News module is connected with storage module, and 3G/4G communication modules are connected with wireless module, sound and light alarm module and central processing list
Member is connected.
Preferably：The sound and light alarm module includes light drive circuit, LED light group, sound-driving circuit, voice module and loudspeaker
, central processing unit is connected respectively with light drive circuit harmony driving circuit, and light drive circuit is connected with LED light group,
Sound-driving circuit is connected with voice module, and voice module is connected with loudspeaker.
The utility model has the following effects that compared with existing product：1st, can be monitored in real time by Explosionproof camera limited
Situation in space；2nd, continuous continual pump suction type gas can carry out the gas in restricted clearance by detecting and controlling system
Physical examination is surveyed；3rd, multi-angle video monitoring can be provided by video monitor unit and acousto-optic warning unit and acousto-optic alarm voice carries
Show, to greatest extent support personnel's life security.
Description of the drawings
Fig. 1 is a kind of knot of video monitoring gas detection prior-warning device applied to restricted clearance described in the utility model
Structure schematic diagram；
Fig. 2 is the system block diagram of detecting and controlling system；
Fig. 3 is early warning interacted system block diagram；
Fig. 4 is the system block diagram of video monitor unit；
Fig. 5 is the system block diagram of sound and light alarm module.
In figure：1- cylinders, 2- positioning seats, 3- tracheaes, 4- mandrils, 5- fixed frames, 6- connecting plates, 8- chucks, 9- are opened
Dynamic switch, 10- solenoid valves, 11-O shapes ring, 12- handles, 13- suspension hooks.
Specific embodiment
The utility model preferred embodiment is elaborated below according to attached drawing.
As shown in Figures 1 to 5, a kind of video monitoring gas detection applied to restricted clearance described in the utility model is pre-
Alarm device includes Portable vehicle 1, main body 2, video monitoring window 3, start button 4, data acquisition window 5, explosion-proof audible-visual annunciator
6th, explosion-proof socket 7, B ends Explosionproof camera 8, A ends Explosionproof camera 9, transmission antenna 10, pressure regulation filter 11, sample gas outlet 13
And detecting and controlling system；
The main body 2 is mounted on Portable vehicle 1, and storage tank 15 is equipped between Portable vehicle 1 and main body 2, inspection is equipped in main body 2
Survey control system, the front end of main body 2 is from top to bottom equipped with data acquisition window 5 and video monitoring window 3, the right side of main body 2 by
Explosion-proof audible-visual annunciator 6 and start button 4 be installed under, the left side of main body 2 be from top to bottom provided with pressure regulation filter 11,
Sample gas outlet 13 and charging interface 14, pressure regulation filter 11 are equipped with sample gas inlet 12, are equipped with side by side on the upper surface of main body 2 more
A transmission antenna 10 and explosion-proof socket 7, B ends Explosionproof camera 8 and A ends Explosionproof camera 9 are inserted by anti-explosion plug with explosion-proof
Mouth 7 is connected；
The detecting and controlling system include central processing unit, power supply unit, auxiliary emergency unit, gas detection cell,
Pumping unit, video monitor unit, intercommunication unit, acousto-optic warning unit, communication unit, display unit；
The central processing unit is respectively with aiding in emergency unit, gas detection cell, video monitor unit, intercommunication list
Member, acousto-optic warning unit, communication unit are connected with display unit, and said supply unit is respectively with aiding in emergency unit, gas
Detection unit is connected with pumping unit, and passes through gas detection cell and be connected with central processing unit, the pumping unit with
Gas detection cell is connected.
Further：The central processing unit be microcontroller, said supply unit be lithium battery or accumulator, the gas
Detection unit is gas sensor, and the pumping unit is made of air pump, strainer valve and tracheae, and air pump is entered by tracheae and sample gas
Mouth 12 connects, and sample gas inlet 12 is connected by tracheae with space to be measured, and strainer valve is mounted on tracheae.
Further：The video monitor unit includes camera, video processing module, storage module, 3G/4G communication moulds
Block, wireless module and sound and light alarm module, camera are connected with video processing module, and video processing module leads to respectively with 3G/4G
News module is connected with storage module, and 3G/4G communication modules are connected with wireless module, sound and light alarm module and central processing list
Member is connected.
Further：The sound and light alarm module includes light drive circuit, LED light group, sound-driving circuit, voice module and loudspeaker
, central processing unit is connected respectively with light drive circuit harmony driving circuit, and light drive circuit is connected with LED light group,
Sound-driving circuit is connected with voice module, and voice module is connected with loudspeaker.
Each unit forms and principle：
Pumping unit：It is detected for a long time because restricted clearance is not easy to fixed gas detector or portable gas detecting instrument,
So it can realize that real-time online detects by the way of pumping, by the oxygen sucking conjecture unit of restricted clearance, pumping unit
Mainly by aspiration pump, strainer valve, tracheae, tracheae is stainless steel or PVC material, can be equipped with flowmeter and pressure regulator valve if necessary.
The pumping unit of this programme can not be one, can increase the quantity of pumping unit according to environment to be measured, and pumping unit has simultaneously
Stifled pump alarm, the tracheae of pumping unit are wrapped in body specific position, the length luck pump power limit of tracheae when not in use
System.
Gas detection cell：Detection unit is to detect the target gas levels of target environment or lower explosion limit, root
Different gas sensors need to be used according to the difference of detection gas species, can at most detect 4 kinds of gas concentrations simultaneously.
Display unit：Display unit mainly divides two parts, and first portion is display gas concentration warning message, includes gas
Species, concentration provide the information such as three-level alarm warning, alarm setting value, battery capacity, signal strength, can show gas in N simultaneously
Body monitoring information, N are more than or equal to 1, and second portion shows window for video monitoring, mainly the current video monitoring letter of real-time display
Breath, while have the function of that work is locally stored in video, memory capacity receives RAM card or hard disk limitation.Support cell phone application, tablet electricity
Brain, telecommunication network real time access function.Video monitoring window can be one piece of liquid crystal display and meanwhile display all the way or multi-channel video figure
As information, the form of multiple independent liquid crystal screens can also be used, shows corresponding screen information.This cell data information is led to
It crosses 4G/3G communication modes and is uploaded to big data cloud processing platform, the client that middle control center can be provided by accessing this platform makes
It is supervised with port.
Communication unit：Communication unit mainly comprising RS485 wire communications at that time, RF433MHz wireless communication modes, 4G/3G
Communication modes, while equipped with GPS satellite positioner etc., for the real-time Transmission of data.
Central processing unit：Central processing unit is core processing module CPU, and what this programme was selected is high-performance monolithic
Machine collects gas and video information to handle, and carries out analysis of allocated upload, while controls sound-light alarm mode.
Acousto-optic warning unit：Using accessible recurring structure, the instruction of three-level sound-light alarm is provided, while supports voice broadcast
Warning message, comprising information such as alert levels, positions, this unit is placed in the main body outside restricted clearance.
Video monitor unit：Video monitor unit uses high-precision camera, while has sound and light of alarm, carries simultaneously
For voice alarm function, warning message is reported, indicates site operation personnel escape at the first time, this cell operation mode is mainly divided
It is video monitoring for two parts, first, monitors the environmental information of restricted clearance or working region in real time；Second is three-level acousto-optic report
Warning, when the operating environment generation of restricted clearance is toxic, flammable, explosive when gases leak, central processing unit can control
The sound and light alarm module of video monitor unit sends sound-light alarm instruction, and Field Force can at the first time escape according to warning message
From video monitor unit is more than N, and N is more than or equal to 1, this unit is connected with body using data cable, will be wrapped in when not in use
Body specific position, for the mounting means of this unit using magnetic or external hang, concrete mode should according to live reality
With selection.
Intercommunication unit：Speech talkback function is provided, this intercommunication unit is anti-explosion talkback device, and can work people with restricted clearance
The hand transceiver of the staff at member's hand transceiver or middle control center carries out real-time intercommunication, grasps each side's information.
Aid in emergency unit：Called for help including emergency light, mono- keys of SOS etc., emergency light may be provided on body,
Can be used and need to be separated by data with body, can also be provided simultaneously with two ways, to illuminate it is insufficient when or occurrence injury
Shi Qidong emergency lightings provide certain illumination zone, convenient for site disposal or escape, especially in night work.Using
It may be provided at the emergency light of disintegration separate type in the working sites such as restricted clearance, as the supplement prevented, mono- keys of SOS are exhaled
It rescues and refers to, not expected harm is occurring, such as hydrogen sulfide is revealed suddenly, is diffused into the operating personnel and guardian of body
Member, the SOS for promptly pressing lower body call for help key, inform that surrounding people takes urgent rescue measure.
Power supply unit：Electric energy is provided for whole equipment, using high-capacity lithium battery, accumulator can also be used.
Start before first dijection picture head is placed in inside sealing space, cable is connected with anti-explosion plug, it is proposed that mounted on beneficial to
The view position of monitoring, the air inlet pipeline of equipment are connected with detected space with hose, are on button start, air pump is first
Into work, detected gas by sealing space is extracted into the air inlet of detection device, is entered by pressure regulation filter in equipment,
It is exported and discharged by sample gas after sensor detects, data acquisition window will show detection gas real-time concentration, video surveillance window
Show the safety and working condition of personnel in sealing space, hair pass antenna will detect data and video information uploads to control system
System can accurately, intuitively do target environment detection monitoring in real time in control room.
Early warning interacted system：
As shown in figure 3, early warning interacted system detects prior-warning device by multiple video monitoring gases described in the utility model
Composition, warning message and the wireless portable gas of video monitoring gas detection equipment detect the two-way intercommunication of early-warning apparatus, i.e. side hair
Raw alarm can transfer warning message between same category of device, can also be transferred to wireless portable gas detection early-warning apparatus ex hoc genus anne
Equipment forms the quick transmission of warning message, and warning message includes alarm classification, position, gaseous species, alert levels etc., this
Any one video monitoring gas detection equipment, wireless portable gas detection early-warning apparatus, wireless acousto-optic alarm in system are all
Equipped with unique address.Wireless transmission method in the system using RF433MH parallel with 3G/4G communications two ways, according to
The strong communication modes of site environment optimum selecting signal strength, this equipment provides language and sound-light alarm instruction, while secondary can pass
Pass warning message.
Wireless portable gas detects early-warning apparatus：The alarm signal of same category of device and video monitoring gas detection equipment can be received
Breath provides language and sound-light alarm instruction, while can secondary transmission warning message.
Wireless acousto-optic alarm：For receiving any video monitoring gas detection equipment or the detection early warning of wireless portable gas
The warning message of instrument, while there is the warning message transfer function between same type equipment.Language and sound-light alarm instruction are provided, together
When can secondary transmission warning message.
Present embodiment is simply to the exemplary description of this patent does not limit its scope of protection, people in the art
Member can also be changed its part, as long as it does not exceed the essence of this patent, within the protection scope of the present patent.
Claims (4)
1. a kind of video monitoring gas applied to restricted clearance detects prior-warning device, it is characterised in that：Including Portable vehicle (1),
Main body (2), video monitoring window (3), start button (4), data acquisition window (5), explosion-proof audible-visual annunciator (6), it is explosion-proof insert
Mouth (7), B ends Explosionproof camera (8), A ends Explosionproof camera (9), transmission antenna (10), pressure regulation filter (11), the outlet of sample gas
(13) and detecting and controlling system；
The main body (2) is mounted on Portable vehicle (1), and storage tank (15), main body (2) are equipped between Portable vehicle (1) and main body (2)
Interior to be equipped with detecting and controlling system, the front end of main body (2) is from top to bottom equipped with data acquisition window (5) and video monitoring window (3),
The right side of main body (2) is from top to bottom equipped with explosion-proof audible-visual annunciator (6) and start button (4), the left side of main body (2) by up to
Pressure regulation filter (11), sample gas outlet (13) and charging interface (14), pressure regulation filter (11) is arranged with equipped with sample gas to enter
Mouthful (12) are equipped with multiple transmission antennas (10) and explosion-proof socket (7), B ends Explosionproof camera on the upper surface of main body (2) side by side
(8) it is connected with A ends Explosionproof camera (9) by anti-explosion plug with explosion-proof socket (7)；
The detecting and controlling system includes central processing unit, power supply unit, auxiliary emergency unit, gas detection cell, pumping
Unit, video monitor unit, intercommunication unit, acousto-optic warning unit, communication unit, display unit；
The central processing unit is respectively with aiding in emergency unit, gas detection cell, video monitor unit, intercommunication unit, sound
Light alarm unit, communication unit are connected with display unit, and said supply unit is single with auxiliary emergency unit, gas detection respectively
Member is connected with pumping unit, and passes through gas detection cell and be connected with central processing unit, and the pumping unit is examined with gas
Unit is surveyed to be connected.
2. a kind of video monitoring gas applied to restricted clearance according to claim 1 detects prior-warning device, feature
It is：The central processing unit is microcontroller, and said supply unit is lithium battery or accumulator, and the gas detection cell is
Gas sensor, the pumping unit are made of air pump, strainer valve and tracheae, and air pump is connected by tracheae and sample gas inlet (12)
Logical, sample gas inlet (12) is connected by tracheae with space to be measured, and strainer valve is mounted on tracheae.
3. a kind of video monitoring gas applied to restricted clearance according to claim 1 detects prior-warning device, feature
It is：The video monitor unit includes camera, video processing module, storage module, 3G/4G communication modules, wireless module
And sound and light alarm module, camera are connected with video processing module, video processing module respectively with 3G/4G communication modules and storage
Module is connected, and 3G/4G communication modules are connected with wireless module, and sound and light alarm module is connected with central processing unit.
4. a kind of video monitoring gas applied to restricted clearance according to claim 3 detects prior-warning device, feature
It is：The sound and light alarm module includes light drive circuit, LED light group, sound-driving circuit, voice module and loudspeaker, centre
Reason unit is connected respectively with light drive circuit harmony driving circuit, and light drive circuit is connected with LED light group, sound-driving circuit
It is connected with voice module, voice module is connected with loudspeaker.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721555448.5U CN207382470U (en) | 2017-11-20 | 2017-11-20 | A kind of video monitoring gas applied to restricted clearance detects prior-warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721555448.5U CN207382470U (en) | 2017-11-20 | 2017-11-20 | A kind of video monitoring gas applied to restricted clearance detects prior-warning device |
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| CN207382470U true CN207382470U (en) | 2018-05-18 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107770501A (en) * | 2017-11-20 | 2018-03-06 | 哈尔滨东方报警设备开发有限公司 | A kind of video monitoring gas applied to restricted clearance detects prior-warning device |
| CN109035714A (en) * | 2018-10-12 | 2018-12-18 | 南京同安智能科技有限公司 | A kind of Working in confined space safe preservation system |
| CN111080975A (en) * | 2019-12-23 | 2020-04-28 | 国家能源集团宁夏煤业有限责任公司 | Method and system for carrying out safety protection on limited space operation |
-
2017
- 2017-11-20 CN CN201721555448.5U patent/CN207382470U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107770501A (en) * | 2017-11-20 | 2018-03-06 | 哈尔滨东方报警设备开发有限公司 | A kind of video monitoring gas applied to restricted clearance detects prior-warning device |
| CN109035714A (en) * | 2018-10-12 | 2018-12-18 | 南京同安智能科技有限公司 | A kind of Working in confined space safe preservation system |
| CN111080975A (en) * | 2019-12-23 | 2020-04-28 | 国家能源集团宁夏煤业有限责任公司 | Method and system for carrying out safety protection on limited space operation |
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