CN103584399A - Underground gas safe self-help device for miner - Google Patents

Underground gas safe self-help device for miner Download PDF

Info

Publication number
CN103584399A
CN103584399A CN201310585307.8A CN201310585307A CN103584399A CN 103584399 A CN103584399 A CN 103584399A CN 201310585307 A CN201310585307 A CN 201310585307A CN 103584399 A CN103584399 A CN 103584399A
Authority
CN
China
Prior art keywords
miner
self
safety
microcomputer
microprocessor
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
CN201310585307.8A
Other languages
Chinese (zh)
Inventor
王保民
杜达文
师智斌
杨耀天
王健
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.)
North University of China
Original Assignee
North University of China
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 North University of China filed Critical North University of China
Priority to CN201310585307.8A priority Critical patent/CN103584399A/en
Publication of CN103584399A publication Critical patent/CN103584399A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

The invention discloses an underground gas safe self-help device for a miner, and belongs to the technical field of mine disaster monitoring and emergency rescue guarantee. The safe self-help device is an intelligent self-help safety device which is arranged on a safety helmet of the miner and is managed and controlled by a microcomputer or a micro processor and software of the microprocessor. The underground gas safe self-help device further comprises an intelligent alarm miner lamp, an automated oxygen supply device and an automated protective mask. The underground gas safe self-help device is multifunctional, low in power consumption, safe and reliable, a compressed oxygen device can be automatically opened when gas disasters and other disasters happen, and the death rate of workers after mine disasters can be effectively reduced. A common gas alarm system is only provided with a gas sensor, but the underground gas safe self-help device is additionally provided with a pressure sensor, so that the automated oxygen supply device and the automated protective mask can automatically release oxygen when the disaster happen, and people are prevented from breathing harmful gas and dying due to suffocation. The underground gas safe self-help device for the miner is worthy of adoption and popularization.

Description

Miner's fire damp safety self-saving device
Technical field
Miner's fire damp safety self-saving device disclosed by the invention belongs to mine disaster monitoring and emergency management and rescue safeguards technique field, what be specifically related to is, at miner's safety helmet, the intelligent self-rescue safety device that microcomputer or microprocessor and software administration thereof are controlled is set, and carries out the device of miner's safety self-saving in the time of there is the disasters such as gas in down-hole by microcomputer or microprocessor driven automatic alarm and demand system.
Background technology
At present, known gas alarming lamp is to utilize mine lamp safety cap to reequip.The alarm signal that flashes when it can methane gas transfinites in mine, reminds miner to take care.But, when breaking out of fire under coal mine, gas and dust explosion accident, all can produce a large amount of pernicious gases, most wrecked miners are dizzy because blast wave is shaken, compressed oxygen device cannot be used for saving oneself, cause the injures and deaths indirectly such as poisonous gas poisoning or anoxia asphyxia.Only can automatic alarm for current warning system; and compressed oxygen device cannot be combined with intelligent alarm system; therefore develop a kind of low-power consumption, multi-functional, safe and reliable, and can when there is the disasters such as gas, automatically open the novel self-help apparatus of compressed oxygen device; genus in the urgent need to task and problem, protection miner's life security and the safety in production of mine are all had to very real significance.
Summary of the invention
The object of the invention is: to society, provide this miner's fire damp safety self-saving device, this self-rescue safety device be a kind of multi-functional, low-power consumption, safe and reliable, can when there is the disasters such as gas, automatically open the new type of safe self-help apparatus of compressed oxygen device.
Technical scheme of the present invention is such: this miner's fire damp safety self-saving device, that Gas Disaster self-rescue safety device occurs in down-hole miner, technical characterstic is: this described self-rescue safety device is that this self-rescue safety device also includes: intelligent calamity forecast miner's lamp and automation apparatus of oxygen supply and automation protective face mask at the intelligent self-rescue safety device of the microcomputer of miner's safety helmet setting or microprocessor and software administration control thereof.Described intelligent calamity forecast miner's lamp and automation apparatus of oxygen supply and automation protective face mask are all save oneself mechanism or settings of terminal security that the microcomputer of this safety self-saving device or microprocessor and software administration thereof are controlled.
According to above-described miner's fire damp safety self-saving device, technical characterstic also has: described microcomputer or microprocessor and software administration thereof are controlled: the microcomputer described in a. or microprocessor are single-chip microcomputer or PLC, as the control core of safety self-help apparatus.B. described software is in safety self-help apparatus, to use and microcomputer or the matching used software systems of microprocessor.C. the electronic circuit that described microcomputer or microprocessor and software administration thereof are controlled includes: the magnetic valve of the flicker warning miner's lamp that the firedamp sensor of disaster information collection and pressure sensor, operational amplification circuit, A/D change-over circuit, control circuit and management thereof are controlled and apparatus of oxygen supply automatically and automatically drive the micromachine of protective face mask and the travelling gear of its drive.The firedamp sensor that described disaster information gathers and pressure sensor be gas density and the down-hole pressure intensity in monitoring mine automatically.Described firedamp sensor and pressure sensor are collection and the inputs of operational amplification circuit disaster information, the output of operational amplification circuit connects the input of A/D change-over circuit, the output of A/D change-over circuit connects the input of microcomputer or microprocessor, process microcomputer or microprocessor and software thereof carry out computing, needs warning and safety self-saving information are exported to control circuit, each executing agency simultaneously being controlled by control circuit moves, and realizes miner's saving oneself when fire damp disaster.
According to above-described miner's fire damp safety self-saving device, technical characterstic also has: the electronic circuit detailed structure that described microcomputer or microprocessor and software administration thereof are controlled is: firedamp sensor is with gas density and explosion wave intensity of pressure information under pressure sensor difference monitor well and input respectively the operational amplification circuit connecting with two sensors, through the A/D change-over circuit connecting with operational amplification circuit, change, translation data inputs microcomputer again or microprocessor carries out data computing, and according to the gas density threshold value of setting, intensity of pressure threshold value, whether intelligent decision controls interruption output low and high level by control circuit reports to the police miner's lamp flicker, control and drive magnetic valve to open oxygen therapy pipeline, control and drive micromachine transmitting gear to make protective face mask facial miner from safety cap top bales catch.The miner's lamp that described control circuit is reported to the police with flicker, the magnetic valve, a plurality of mechanisms that perform an action of micromachine (with transmitting gear and protective face mask) that open oxygen therapy pipeline.
According to above-described miner's fire damp safety self-saving device, technical characterstic also has: described intelligent calamity forecast miner's lamp is the flicker warning miner's lamp by the mine lamp circuit of control circuit outlet chamber broken height low level control connection.Described miner's lamp is being interrupted realization flicker warning under low and high level control.
According to above-described miner's fire damp safety self-saving device, technical characterstic also has: the oxygen therapy pipeline that described automation apparatus of oxygen supply is connected with manually-operated gate, valve by the electromagnetic valve of installing on miner's compressed oxygen device, compressed oxygen device forms.Described electromagnetic valve and the structure of manually-operated gate are comprehensive, insurance.
According to above-described miner's fire damp safety self-saving device, technical characterstic also has: described automation protective face mask comprises that gear, the driven gear micromachine that rotate and that controlled by control circuit and be installed on safety cap both sides of the supporting installation in joint portion of the protective face mask, safety cap both sides and the protective face mask that are placed on safe crown forms.Described micromachine is the control circuit Yi road mechanism that performs an action, and described driving gear is driven by miniature electrical machinery axle, and described driven gear is arranged at protective face mask both sides and is driven by driving gear.
Miner's fire damp safety self-saving device advantage of the present invention has: 1. the design reports to the police, oxygen supply completes automatically without manual intervention, can effectively reduce the death rate of personnel after mine disaster; 2. general gas alarming system, the sensor of use mostly is firedamp sensor, and this design has increased pressure sensor, for detection of the shock wave pressure of gas explosion; 3. intelligent calamity forecast miner's lamp is the flicker warning miner's lamp by the mine lamp circuit of control circuit outlet chamber broken height low level control connection; 4. automation oxygen system is by being provided with electromagnetic valve and manually-operated gate on miner's compressed oxygen device, compressed oxygen device, can be manually and automatically open this device; 5. automation protective face mask is occurring can to avoid pernicious gas to be sucked by human body after disaster.This miner's fire damp safety self-saving device is worth adopting and promoting.
Figure of description of the present invention has 16 width:
Fig. 1 is miner's fire damp safety self-saving device structured flowchart;
Fig. 2 is miner's fire damp safety self-saving device entity structure diagram;
Fig. 3 is that Fig. 2 cuts open the amplification cut-away view that shows position;
Fig. 4 is a pressure sensor electronic circuitry part;
Fig. 5 is a pressure sensor electronic circuitry part;
Fig. 6 is a pressure sensor electronic circuitry part;
Fig. 7 is firedamp sensor electronic circuitry;
Fig. 8 is single-chip microcomputer electronic circuitry;
Fig. 9 is single-chip microcomputer programming mouth circuit diagram;
Figure 10 is micromachine electronic circuitry;
Figure 11 is a magnetic valve electronic circuitry part;
Figure 12 is a magnetic valve electronic circuitry part;
Figure 13 is a voltage stabilizing electronic circuitry part;
Figure 14 is a voltage stabilizing electronic circuitry part;
Figure 15 is a voltage stabilizing electronic circuitry part;
Figure 16 is the software systems main menu flow chart of miner's fire damp safety self-saving device.
In each figure, adopted unified label, same object is used same label in each figure.In each figure: 1. pressure sensor; 2. firedamp sensor; 3. filtering and amplifying circuit; 4. single-chip microcomputer; 5. mining power supply; 6. mu balanced circuit; 7. automatic apparatus of oxygen supply; 8. warning miner's lamp glimmers; 9. automation protective face mask; 10. compressed oxygen device; 11. oxygen therapy pipelines; 12. safety caps; 13. power supplys and electronic circuit; 14. miner's lamps; 15. protective face masks; 16. micromachines and travelling gear; 17. micromachines; 18. travelling gears; 19. systems power on; 20. system initializations; 21. operations for the first time? 22. alarm threshold values are set to default parameters and store; Do be 23. correct? 24. pre-heat sensors; 25. power on; 26. light warnings; 27. threshold values? 28. open apparatus of oxygen supply; 29. enter low-power consumption mode; 30.Y; 31.N; R1~R33 is resistance; C1~C18 is electric capacity; D1~D6 is diode; U1~U13 is integrated circuit block; Q1~Q2 is triode; K1~K2 is switch; J1~J3 is sensor connector; VCC, VDD, V are feeder ear; GND is earth terminal.
Four. accompanying drawing explanation
Five. the specific embodiment
Miner's fire damp safety self-saving device non-limiting examples of the present invention is as follows:
Embodiment mono-. miner's fire damp safety self-saving device
This miner's fire damp safety self-saving device of this example, that Gas Disaster self-rescue safety device occurs in down-hole miner, this described self-rescue safety device is that this self-rescue safety device also includes: intelligent calamity forecast miner's lamp and automation oxygen device and automation protective face mask at the intelligent self-rescue safety device of the microcomputer of miner's safety helmet setting or microprocessor and software administration control thereof.The concrete structure of this example miner fire damp safety self-saving device is combined and is illustrated by Fig. 1~Figure 16.Shown in Fig. 1 is miner's fire damp safety self-saving device structured flowchart, in Fig. 1: the 1st, pressure sensor, the 2nd, firedamp sensor, the 3rd, amplifilter, the 4th, single-chip microcomputer, the 5th, mining power supply, the 6th, mu balanced circuit, the 7th, automatic apparatus of oxygen supply, the 8th, flicker warning miner's lamp, the 9th, automation protective face mask.Fig. 2 is miner's fire damp safety self-saving device entity structure diagram, in Fig. 2: the 10th, compressed oxygen device, the 11st, oxygen therapy pipeline, the 12nd, safety cap, the 13rd, power supply and electronic circuit, the 14th, miner's lamp, the 15th, protective face mask, the 16th, micromachine and travelling gear.Fig. 3 is that Fig. 2 cuts open the amplification cut-away view that shows position, in Fig. 3: the 17th, micro-step motor, the 18th, travelling gear.The microcomputer that this is routine or microprocessor and software administration thereof are controlled: the microcomputer that this is routine or microprocessor are single-chip microcomputers 4, and this routine Fig. 8 illustrates single-chip microcomputer electronic circuitry, U 8mSP430FG4618 single-chip microcomputer in this way, as the control core of safety self-help apparatus, Fig. 9 illustrates the programming mouth circuit diagram of this single-chip microcomputer, U 9interface integrated circuit piece in this way.This routine software is in safety self-help apparatus, to use and microcomputer or the matching used software systems of microprocessor 4, this routine Figure 16 illustrates the software systems main menu flow chart of miner's fire damp safety self-saving device, in Figure 16: the 19th, system powers on, the 20th, system initialization, the 21st, move for the first time? the 22nd, alarm threshold value is set to default parameters and stores, the 23rd, correct? the 24th, pre-heat sensor, the 25th, power on, the 26th, light warning, the 27th, threshold value? the 28th, open apparatus of oxygen supply, the 29th, enter low-power consumption mode, the 30th, Y, the 31st, N.By system, power on, alarm threshold value is set to default parameters and stores, and pre-heat sensor, is greater than threshold value, and system is opened oxygen system and light warning; Be less than threshold value, enter low-power consumption mode.The electronic circuit that the microcomputer that this is routine or microprocessor and software administration thereof are controlled includes: the firedamp sensor 2 that disaster information gathers is MC112 firedamp sensor in this way, and this routine Fig. 7 illustrates this firedamp sensor electronic circuitry, U in figure 4-U 7equal TLV2780 operational amplifiers in this way.Pressure sensor 1 is BZ4-MCY-W pressure sensor in this way, and this routine Fig. 4-Fig. 6 illustrates this pressure sensor electronic circuitry, U in these figure 1, U 3equal OP4340 operational amplifiers in this way, U 2iNA128 integrated circuit block in this way.Fig. 4-Fig. 9 also illustrates operational amplification circuit, A/D change-over circuit etc., and the magnetic valve of the flicker warning miner's lamp 8 that control circuit and management thereof are controlled and apparatus of oxygen supply 7 automatically and the micro-step motor 17 that automatically drives protective face mask 9 are illustrated by Figure 10-Figure 12 with driving the gear 18 that rotates etc.This routine Figure 10 illustrates micro-step motor electronic circuitry, U in Figure 10 10uIN2806 integrated circuit block in this way, U 11, U 12equal stepper motor interface integrated circuit pieces in this way.This routine Figure 11, Figure 12 illustrate magnetic valve electronic circuitry, wherein K 1with K 2two switch model G5V-1.This routine Figure 13-Figure 15 illustrates voltage stabilizing electronic circuitry, U in Figure 13 13lM1117 integrated regulator piece in this way.The firedamp sensor 2 that described disaster information gathers and pressure sensor 1 be gas density and the down-hole pressure intensity in monitoring mine automatically.Described firedamp sensor 2 and pressure sensor 1 are collection and the inputs of operational amplification circuit disaster information, the output of operational amplification circuit connects the input of A/D change-over circuit, the output of A/D change-over circuit connects the input of microcomputer or microprocessor 4, process microcomputer or microprocessor 4 and software thereof carry out computing, needs warning and safety self-saving information are exported to control circuit, each executing agency simultaneously being controlled by control circuit moves, and realizes miner's saving oneself when fire damp disaster.The electronic circuit detailed structure that the microcomputer that this is routine or microprocessor 4 and software administration thereof are controlled is: firedamp sensor 2 is with gas density and explosion wave intensity of pressure information under pressure sensor 1 difference monitor well and input respectively the operational amplification circuit connecting with two sensors, through the A/D change-over circuit connecting with operational amplification circuit, change, translation data inputs microcomputer again or microprocessor 4 carries out data computing, and according to the gas density threshold value of setting, intensity of pressure threshold value, whether intelligent decision controls interruption output low and high level by control circuit reports to the police miner's lamp 14 flickers, control and drive magnetic valve to open oxygen therapy pipeline, control and drive micro-step motor 17 transmitting gears 18 to make protective face mask 15 facial miner from the top bales catch of safety cap 12.The miner's lamp 8 that this routine control circuit is reported to the police with flicker, the magnetic valve of opening oxygen therapy pipeline, micro-step motor 17 and travelling gear 18 and more than 15 mechanisms that perform an action of protective face mask.The intelligent calamity forecast miner's lamp of this example is the flicker warning miner's lamp 8 by the mine lamp circuit of control circuit outlet chamber broken height low level control connection.This routine miner's lamp is being interrupted realization flicker warning under low and high level control.The oxygen therapy pipeline 11 that this routine automation oxygen device 7 is connected with manually-operated gate, valve by the electromagnetic valve of installing on miner's compressed oxygen device 10, compressed oxygen device 10 forms.Described electromagnetic valve and the structure of manually-operated gate are comprehensive, insurance.This routine automation protective face mask 9 comprises that the gear 18 of the supporting installation in joint portion that is placed in protective face mask 15, safety cap 12 both sides and protective face mask 15 on safety cap 12 tops, driven gear 18 micro-step motor 17 that rotate and that controlled by control circuit and be installed on safety cap 12 both sides form.This routine micro-step motor 17 is the control circuit Yi road mechanisms that perform an action, and described driving gear is driven by the axle of micromachine 17, and described driven gear is arranged at protective face mask both sides and is driven by driving gear.
Embodiment bis-. miner's fire damp safety self-saving device
This routine miner's fire damp safety self-saving device concrete structure can be combined and illustrate with Fig. 1~Fig. 3 etc., miner's fire damp safety self-saving device difference of miner's fire damp safety self-saving device that this is routine and embodiment mono-has: 1. microcomputer or microprocessor are PLC, model FX3UC.2. this routine micromachine adopts the micromachine of public model.All the other do not state this routine miner's fire damp safety self-saving device, are entirely same as described in embodiment mono-, no longer repeat.

Claims (6)

1. miner's fire damp safety self-saving device, be miner in down-hole the self-rescue safety device for Gas Disaster, be characterised in that: this described self-rescue safety device is that this self-rescue safety device also includes: intelligent calamity forecast miner's lamp and automation apparatus of oxygen supply and automation protective face mask at the intelligent self-rescue safety device of the microcomputer of miner's safety helmet setting or microprocessor and software administration control thereof.
2. miner's fire damp safety self-saving device according to claim 1, is characterised in that: described microcomputer or microprocessor and software administration thereof are controlled:
A. described microcomputer or microprocessor is single-chip microcomputer or PLC, as the control core of safety self-help apparatus;
B. described software is in safety self-help apparatus, to use and microcomputer or the matching used software systems of microprocessor;
C. the electronic circuit that described microcomputer or microprocessor and software administration thereof are controlled includes: the flicker warning miner's lamp that the firedamp sensor of disaster information collection and pressure sensor, operational amplification circuit, A/D change-over circuit, control circuit and management thereof are controlled is with automatic apparatus of oxygen supply and automatically drive the micromachine of protective face mask and the travelling gear of its drive.
3. miner's fire damp safety self-saving device according to claim 2, be characterised in that: the electronic circuit detailed structure that described microcomputer or microprocessor and software administration thereof are controlled is: firedamp sensor is with gas density and explosion wave intensity of pressure information under pressure sensor difference monitor well and input respectively the operational amplification circuit connecting with two sensors, through the A/D change-over circuit connecting with operational amplification circuit, change, translation data inputs microcomputer again or microprocessor carries out data computing, and according to the gas density threshold value of setting, intensity of pressure threshold value, whether intelligent decision controls interruption output low and high level by control circuit reports to the police miner's lamp flicker, control and drive magnetic valve to open oxygen therapy pipeline, control and drive minitype motor driving gear to make protective face mask facial miner from safety cap top bales catch.
4. miner's fire damp safety self-saving device according to claim 3, is characterised in that: described intelligent calamity forecast miner's lamp is the flicker warning miner's lamp by the mine lamp circuit of control circuit outlet chamber broken height low level control connection.
5. miner's fire damp safety self-saving device according to claim 3, is characterised in that: the oxygen therapy pipeline that described automation apparatus of oxygen supply is connected with manually-operated gate, valve by the electromagnetic valve of installing on miner's compressed oxygen device, compressed oxygen device forms.
6. miner's fire damp safety self-saving device according to claim 3, is characterised in that: described automation protective face mask comprises that gear, the driven gear micromachine that rotate and that controlled by control circuit and be installed on safety cap both sides of the supporting installation in joint portion of the protective face mask, safety cap both sides and the protective face mask that are placed on safe crown forms.
CN201310585307.8A 2013-11-19 2013-11-19 Underground gas safe self-help device for miner Pending CN103584399A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310585307.8A CN103584399A (en) 2013-11-19 2013-11-19 Underground gas safe self-help device for miner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310585307.8A CN103584399A (en) 2013-11-19 2013-11-19 Underground gas safe self-help device for miner

Publications (1)

Publication Number Publication Date
CN103584399A true CN103584399A (en) 2014-02-19

Family

ID=50074882

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310585307.8A Pending CN103584399A (en) 2013-11-19 2013-11-19 Underground gas safe self-help device for miner

Country Status (1)

Country Link
CN (1) CN103584399A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105342557A (en) * 2015-09-30 2016-02-24 上海建工二建集团有限公司 Personnel status monitoring system for inverse construction method
CN105999574A (en) * 2016-06-29 2016-10-12 武汉东方思创应急装备科技有限公司 Compressed oxygen self-rescuer capable of intelligently and automatically isolating harmful gas in environment
CN106237559A (en) * 2016-08-18 2016-12-21 牟伟 A kind of tunnel protective device for respiration with detection with alarm sounds
CN107495527A (en) * 2017-10-08 2017-12-22 佛山市因诺威特科技有限公司 A kind of blind person protects the helmet with intelligent and safe
CN109105988A (en) * 2017-06-26 2019-01-01 昆山市苞蕾众创投资管理有限公司 Automatically safe gas prevention cap is given first aid to

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5297297A (en) * 1993-04-02 1994-03-29 Pei Pei Hsin Automatic visor control device for helmets
CN2194619Y (en) * 1994-03-12 1995-04-19 方焰颖 Light-controlled welder's helmet
CN2533686Y (en) * 2002-03-27 2003-02-05 陈锦明 Helmet lens connecting structure
CN101112258A (en) * 2007-07-20 2008-01-30 长春金鹰智谷科技集团有限公司 Explosion-proof safety helmet for mine life saving
CN201049151Y (en) * 2007-06-19 2008-04-23 李华军 Asphyxia weapon protective device
CN201612194U (en) * 2009-10-23 2010-10-27 蒋兴德 Helmet
CN201905299U (en) * 2010-12-31 2011-07-27 航宇救生装备有限公司 Manual-automatic integrated lens lowering mechanism
CN102580264A (en) * 2012-02-28 2012-07-18 山西虹安科技股份有限公司 Intelligent alarm device of respirator
CN203137164U (en) * 2013-04-01 2013-08-21 湖南城市学院 Detecting early warning device of intelligent safety helmet

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5297297A (en) * 1993-04-02 1994-03-29 Pei Pei Hsin Automatic visor control device for helmets
CN2194619Y (en) * 1994-03-12 1995-04-19 方焰颖 Light-controlled welder's helmet
CN2533686Y (en) * 2002-03-27 2003-02-05 陈锦明 Helmet lens connecting structure
CN201049151Y (en) * 2007-06-19 2008-04-23 李华军 Asphyxia weapon protective device
CN101112258A (en) * 2007-07-20 2008-01-30 长春金鹰智谷科技集团有限公司 Explosion-proof safety helmet for mine life saving
CN201612194U (en) * 2009-10-23 2010-10-27 蒋兴德 Helmet
CN201905299U (en) * 2010-12-31 2011-07-27 航宇救生装备有限公司 Manual-automatic integrated lens lowering mechanism
CN102580264A (en) * 2012-02-28 2012-07-18 山西虹安科技股份有限公司 Intelligent alarm device of respirator
CN203137164U (en) * 2013-04-01 2013-08-21 湖南城市学院 Detecting early warning device of intelligent safety helmet

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105342557A (en) * 2015-09-30 2016-02-24 上海建工二建集团有限公司 Personnel status monitoring system for inverse construction method
CN105999574A (en) * 2016-06-29 2016-10-12 武汉东方思创应急装备科技有限公司 Compressed oxygen self-rescuer capable of intelligently and automatically isolating harmful gas in environment
CN106237559A (en) * 2016-08-18 2016-12-21 牟伟 A kind of tunnel protective device for respiration with detection with alarm sounds
CN109105988A (en) * 2017-06-26 2019-01-01 昆山市苞蕾众创投资管理有限公司 Automatically safe gas prevention cap is given first aid to
CN107495527A (en) * 2017-10-08 2017-12-22 佛山市因诺威特科技有限公司 A kind of blind person protects the helmet with intelligent and safe

Similar Documents

Publication Publication Date Title
CN103584399A (en) Underground gas safe self-help device for miner
CN102821525A (en) Multifunctional emergency lamp control system and control method thereof
CN206221001U (en) A kind of safety warning device for coal mine underground personnel
CN204941601U (en) A kind of intelligent and safe prior-warning device for detecting underground ventilating environment
CN205779022U (en) Colliery ore pressure monitor detector
CN107559229B (en) Remote centralized monitoring device for local fan of tunneling working face
CN209911181U (en) Dust concentration sensor
CN202419156U (en) Light emitting diode (LED) mining lamp with communication digital-display alarming function
CN202015431U (en) Integrated fire protection evacuation indicating system
CN201436374U (en) Coal mine security monitoring system leading to blast shock air pressure explosion-preventing sensor
CN202510160U (en) Wireless portable living environment parameter measuring device for escape capsule
CN104134310A (en) Municipal sewage tube well silting-up condition and combustible hazardous gas monitoring and early warning device
CN204476476U (en) A kind of Portable mining safety monitoring device
CN204941602U (en) A kind of intelligent and safe prior-warning device for monitoring subsurface environment
CN203673619U (en) Anti-false-alarm air-defense warning device
CN201738954U (en) Device for monitoring gas consistency in coal mines
CN215180161U (en) Gas disaster area safety early warning device
CN204742748U (en) Safety helmet with gas monitor function
CN216202565U (en) Based on special gaseous intelligent security of thing networking carries cabinet
CN203413374U (en) LED industrial mining lamp capable of detecting gas density
CN215486174U (en) Monitoring device for coal mine safety
CN201258760Y (en) Smoke sensor
CN214697909U (en) Main fan room air shaft explosion-proof cover opening alarm device
CN202810911U (en) Coal mine underground rescue capsule system
CN209539389U (en) A kind of new type mining local fan monitoring system

Legal Events

Date Code Title Description
C06 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: 20140219