CN1586349A - Multifunction working safety protective convenient helmet - Google Patents

Multifunction working safety protective convenient helmet Download PDF

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Publication number
CN1586349A
CN1586349A CN 200410055413 CN200410055413A CN1586349A CN 1586349 A CN1586349 A CN 1586349A CN 200410055413 CN200410055413 CN 200410055413 CN 200410055413 A CN200410055413 A CN 200410055413A CN 1586349 A CN1586349 A CN 1586349A
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CN
China
Prior art keywords
cap
safety
head protector
calotte
protective
Prior art date
Application number
CN 200410055413
Other languages
Chinese (zh)
Inventor
李治中
周庆安
李浩荣
Original Assignee
李治中
周庆安
李浩荣
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 李治中, 周庆安, 李浩荣 filed Critical 李治中
Priority to CN 200410055413 priority Critical patent/CN1586349A/en
Publication of CN1586349A publication Critical patent/CN1586349A/en

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Abstract

The present invention relates to labor safety guard technology, and is especially one multifunctional safety helmet used for dark environment in mine. The multifunctional safety helmet is provided with lighting unit, protecting mask, temperature and humidity regulator, oxygen making unit for self help, gas detector, abnormal stress and pressure detecting alarm, electric leakage protector and other protecting parts. Its power source and wires are set inside the helmet, and its protecting mask is made of soft telescopic material and thus may be folded into the helmet.

Description

Multi-functional labor safety protection makes things convenient for cap

Technical field

The present invention relates to labor safety resist technology field, especially protection of mine underground work labor safety and lighting device.

Technical background

Mine working environment at coal mines dark, danger, humidity, big, the air quality poor (flammable, pernicious gas component content height, oxygen content is relatively low) of dust must be equipped with illumination and labor safety protective device, can operation.Existing technology is: miner's job safety cap of branch system and lighting and anti-dust respirator, self-rescue apparatus, the supporting use of several persons, the miner wears safety cap, be equipped with anti-dust respirator and self-rescuer, illuminating lamp holder is installed in the safety cap front portion, connects with long lead between lamp holder and the compact power.Lead is by wire casing sagging and compact power connection by labourer's back freedom at safety cap top.Compact power and self-rescuer utilize waistband to be fixed between labourer's waist.Many inconveniences and potential safety hazard when like this, just having caused operation to labourer.Anti-dust respirator can only guarantee the filtration of labourer's breathe air, and can not effectively protect the dust that drops on labourer's face.And respiratory resistance is bigger, makes labourer that the sensation of unsmooth breath be arranged, and self-rescue apparatus weight is big, breathing time short (about 30 minutes).Labourer is in the process of operating and walking about, lead often and the protrusion in the working environment bump extension, lead often comes off from the wire casing at safety cap top when labourer operates, compact power between waist and self-rescuer when labourer operates and labourer's health bump, sometimes with work situation in protrusion hang and to bump, waistband makes labourer operate inconvenience, lead is drawn extension by the protrusion in the work situation sometimes in the labourer's operation and the process of walking about, cause lamp holder to come off, even make safety cap from labourer's head, be pulled from safety cap.Thereby external lead and compact power are punctured by sharp object sometimes or bumped brokenly, intake and cause electric leakage, short trouble to have an accident by weight, even the gas fuel burning blast of igniting causes a serious accident, and brings about great losses for labourer's life and national wealth.

Summary of the invention

The objective of the invention is to make and a kind ofly collect illumination and labor safety protection for one; make things convenient for labourer carry operation more safe and reliable, can isolate face; dustproof, anti-collision extension, waterproof, gas defence, adjusting temperature, dehumidifying, the protection of eyes women's head-ornaments portion; the breathing of saving oneself of system oxygen; can detect flammable, toxic gas automatically; coal dust content overproof, top nation internal stress, pressure anomaly situation and sound and light alarm, the safeguard protection cap of band white illumination device.Its technical solution is: safety cap is provided with flammable, pernicious gas detection semiconductor gas sensor, wireless type top nation pressure-sensing device, coal dust sensing element and corresponding acoustic-optic alarm thereof and dustproof, anti-collision extension, air filtering mask and the oxygenerator of saving oneself, humiture adjusting, dehydrating unit and illumination and electric supply installation thereof.Safety cap and explosion-proof light lamp holder and lead thereof, semiconductor fuel gas, pernicious gas gas sensor, wireless type top nation pressure-sensing device, coal dust sensing element and corresponding acoustic-optic alarm thereof, compact power is made one, explosion-proof light lamp holder, pernicious gas, fuel gas, pressure, coal dust sensor probe are positioned at outside the safety cap, and its lead and compact power are positioned at safety cap inside.And the positive and negative polar curve of lead is arranged in respectively in the interior left and right sides wire casing of safety cap; positive and negative polar curve in no instance can contact-impact; compact power is arranged in the safety cap; the leak electricity short-circuit protective device is arranged between lead and compact power; can be in the extremely short time route of break line and compact power, prevent that short circuit from producing electric spark.Because of power lead; the semiconductor fuel gas; the pernicious gas gas sensor; wireless type top nation pressure-sensing device; coal dust sensing element and corresponding acoustic-optic alarm thereof; compact power and leak electricity short-circuit protective device all place in the safety cap; so fundamentally solved power lead; the semiconductor fuel gas; the pernicious gas gas sensor; wireless type top nation pressure-sensing device; coal dust sensing element and corresponding acoustic-optic alarm thereof; contacting of protrusion in the leak electricity short-circuit protective device, compact power and work situation and sharp object; bump the problems such as immersion of hanging and dripping.Avoided effectively because of power lead; the semiconductor fuel gas; the pernicious gas gas sensor; wireless type top nation pressure-sensing device; coal dust sensing element and corresponding acoustic-optic alarm thereof; compact power; leak electricity short-circuit protection Jia puts breaks and collides; water inlet; the accident that contacts and take place; and power lead; the semiconductor fuel gas; the pernicious gas gas sensor; wireless type top nation pressure-sensing device; coal dust sensing element and corresponding acoustic-optic alarm thereof; leak electricity short-circuit protective device and compact power all place in the safety cap; safety cap is provided with flammable pernicious gas and detects semiconductor gas sensor; wireless type top nation pressure-sensing device, coal dust sensing element and corresponding acoustic-optic alarm and dustproof thereof; anti-collision is hung; the air filtering mask and the oxygenerator of saving oneself; humiture is regulated; dehydrating unit and illumination and electric supply installation thereof.Be more convenient for labourer's operation and labor safety protection, lamp holder is provided with lamp holder light illumination angle adjusting device and light focal length adjustment device, can change the irradiating angle and the illumination zone of light, makes the user utilize it to throw light on effectively easily.Semiconductor fuel gas, pernicious gas gas sensor, wireless type top nation pressure-sensing device, coal dust sensing element and corresponding acoustic-optic alarm thereof; air filtering mask, breathe the oxygenerator of saving oneself labourer's working condition is greatly improved, protected labourer's health and personal safety effectively.Compact power adopts the high energy compact battery, and volume is little, in light weight, and is safe and reliable.Can not cause added burden and personal injury to the user.

Advantage of the present invention is: what be provided with on safety cap and lighting apparatus and the safety cap thereof is flammable; pernicious gas detects semiconductor gas sensor; wireless type top nation pressure-sensing device; coal dust sensing element and corresponding acoustic-optic alarm and dustproof thereof; anti-collision is hung; the air filtering mask and the oxygenerator of saving oneself; humiture is regulated; dehydrating unit and illumination and electric supply installation thereof combine together; easy to carry; be provided with flammable; pernicious gas and coal dust exceed standard; top nation pressure anomaly; acoustic-optic alarm is dustproof; the air filtering mask and the oxygenerator of saving oneself have been protected labourer's personal safety more effectively.No external power supply lead, no external power supply makes the more convenient to operate of labourer, and free mobility is big.Power lead; the semiconductor fuel gas; the pernicious gas gas sensor; wireless type top nation pressure-sensing device; coal dust sensing element and corresponding acoustic-optic alarm thereof; power supply and leak electricity short-circuit protective device all are arranged in the safety cap; be subjected to having certain intensity; waterproof; effective protection of fire safety cap; avoided labourer contingent to power supply in operation; lead; the semiconductor fuel gas; the pernicious gas gas sensor; wireless type top nation pressure-sensing device; coal dust sensing element and corresponding acoustic-optic alarm thereof, earth leakage protective device bump extension; thorn cuts; the electric leakage that immersion etc. causes; short circuit accident and flammable; toxic gas; dust etc. are to the generation of labourer's injury accident.Safety cap is provided with light light angle and illumination adjustable apparatus, flammable, pernicious gas detects semiconductor gas sensor, wireless type top nation pressure-sensing device, coal dust sensing element and corresponding acoustic-optic alarm thereof and dustproof, anti-collision extension, air filtering mask and the oxygenerator of saving oneself, humiture adjusting, dehydrating unit and illumination and electric supply installation thereof.Be more convenient for labourer's operation, avoided the person, health and safe great bodily injury and economic loss effectively labourer.Be that truly labor safety is protected convenient and safe cap.

Description of drawings

Structure longitudinal sectional view of the present invention.

1 is the oxygen-making agent gas-tight silo among the figure; the 2nd, active carbon is filtered malicious mesh bag; the 3rd, soft transparent eyepiece; the 4th, the illuminating lamp light modulation; transfer the illumination knob; the 5th, luminous lamp switch; the 6th, the illuminating lamp holder of light warning function is arranged; the 7th, the external shell of safety helmet body; the 8th, buffering area, the 9th, anti-vibration protected gasbag-type liner, the 10th, sound and light alarm IC chip; the 11st, semiconductor combustible gas sensor probe; the 12nd, semiconductor pernicious gas sensor probe, the 13rd, top nation pressure sensor probe, the 14th, semiconductor dust Temperature Humidity Sensor probe; the 15th, the alarm current supply line; the 16th, illuminating lamp holder current supply line, the 17th, the battery pack of high-energy band leak electricity short-circuit protective device, the 18th, acoustic alarm device; the 19th, chemical thermoregulation agent endless belt; the 20th, the dehumidizer endless belt, the 21st, dustproof; fire prevention; gas roof; waterproof; anti-collision is hung the inflation Isolated mask, and the 22nd, the close necklace of envelope of band take-up.

The specific embodiment

Below in conjunction with accompanying drawing narration one embodiment of the present of invention.

Explosion-proof adjustable light angle; illumination and the lamp holder 6 with light warning function place safety cap 7 front portions; sound and light alarm IC chip 10; semiconductor combustible gas sensor probe 11; semiconductor pernicious gas sensor probe 12; top nation pressure sensor probe 13; semiconductor dust Temperature Humidity Sensor probe 14; place the safety cap top; lead 15; 16 by lamp holder 6; sound and light alarm IC chip 10; semiconductor combustible gas sensor probe 11; semiconductor pernicious gas sensor probe 12; top nation pressure sensor probe 13, semiconductor dust Temperature Humidity Sensor probe 14, binding post draw along a left side in the safety cap; right both sides extend and and leak electricity short-circuit protective device (computer single-chip) and high energy small rechargeable battery pack connect with charging and exhaust socket thereof.Power unit is positioned at safety cap body rear portion, and wire arrangements is in safety cap inner top and both sides.Leak electricity short-circuit protective device and battery all are arranged in rear portion in the safety cap body.Cap body 7 is by the fiberglass manufacturing, intensity height, light weight, outer brush caution fluorescent paint.Acoustic alarm device 18 is positioned at the safety cap left and right sides, be audio alert, establish voice suggestions such as " gas exceeds standard ", " carbon monoxide exceeds standard " " carbon dioxide exceeds standard ", " coal dust exceed standard (temperature, humidity report) ", " top nation pressure anomaly " respectively, the disconnected warning of light sudden strain of a muscle that light is reported to the police and utilized lamp holder 6, chemistry thermoregulation agent endless belt 19 places cap dignity cover to go up first week of labourer's forehead ring, make with the PVC material, interior dress chemical agent can use repeatedly.Dehumidizer endless belt 20 places first week of labourer's snout ring on the face shield, and interior dress active material can use (need oven dry or dry recovery) repeatedly.Face shield 21 usefulness fire prevention air permeable waterproof asbestos nylon cloth is manufactured, be the double sandwich structure, in the plastic inflatable skeleton is arranged, the inflation postforming, can roll over after the exhaust and be placed in the cap body, can isolate effectively labourer facial with the contacting of work situation, face shield bottom (person neck) is made as loosing and tightening structure 22, can make things convenient for labourer to wear, can seal face shield well again, the face shield front, labourer's snout is provided with the chemical oxygen generation medicine bag, and the carbon dioxide that produces when it can be breathed with labourer is breathed when critical with (meet anxious dangerous situation condition pinch brokenly medicine bag with hand get final product) in conjunction with generating oxygen.The face shield snout also is provided with the air filtration mesh bag, sorbing materials such as interior dress active carbon, and filtering harmful substances in air effectively, time-based maintenance can be used for a long time.The anterior labourer's eye of face shield has transparent soft eyepiece, manufactures with the PVC material, adds the demist grease, and transparency is increased, and meets cold frost-free.Safety cap liner 9 is the inflation shockproof structure, and itself and helmet shell 7 and buffering area 8 effect of working in coordination thereof can protect external shock effectively, protects labourer's Head and Neck tissue to preserve from.The illuminating lamp light modulation, transfer illumination knob 4 both to make things convenient for labourer's use, but conserver power source again.

Claims (10)

1; a kind of band lighting device; the band protective face mask; can prevent dust; extension bumps in anti-women's head-ornaments portion; external impacts; fire prevention; waterproof; gas defence; the adjusting temperature is arranged; humidity; the breathing of saving oneself of system oxygen; can detect flammable automatically; pernicious gas; dust content exceeds standard; cavern, tunnel Nei Ding nation internal stress; the multi-functional labor safety head protector of pressure anomaly situation and sound and light alarm; by with lamp holder; lead and power supply and leak electricity short-circuit protective device thereof are arranged in the cap shell; and and the cap shell make the cap body of one; and the cap body on flammable; pernicious gas; dust content exceeds standard and the tunnel; cavern Nei Ding nation internal stress; the pressure anomaly situation detects and corresponding acoustic-optic alarm and can preventing fires; waterproof; humiture in gas defence and detection and the adjusting calotte; system oxygen is breathed for saving oneself under the anaerobic situation; scalable several parts of protective face mask of going in the cap body are formed, and it is characterized in that collecting lighting apparatus and labor safety and protect and be the reliable multi-functional labor safety head protector of safe ready more of one.
2; a kind of multi-functional labor safety head protector as claimed in claim 1; it is characterized in that illuminating lamp holder; lead and power supply and leak electricity short-circuit protective device thereof are arranged in the safety cap and safety cap is made one; and with the cap body on flammable; pernicious gas; dust content exceeds standard and the tunnel; cavern Nei Ding nation internal stress; the pressure anomaly situation detects and corresponding acoustic-optic alarm and can preventing fires; waterproof; humiture in gas defence and detection and the adjusting calotte; system oxygen is breathed for saving oneself under the anaerobic situation, and scalable protective face mask of going in the cap body is formed associating head protector body jointly.
3; as claim 1; 2 described a kind of multi-functional labor safety head protectors; it is characterized in that fuel gas exceeds standard detects and warning device is arranged in the safety cap body and with illuminating lamp holder; lead and power supply and leak electricity short-circuit protective device thereof are arranged in the cap body of making one in the safety cap with safety cap; and with the cap body on pernicious gas; dust content exceeds standard and the tunnel; cavern Nei Ding nation internal stress; the pressure anomaly situation detects and corresponding acoustic-optic alarm and can preventing fires; waterproof; humiture in gas defence and detection and the adjusting calotte; system oxygen is breathed for saving oneself under the anaerobic situation, and scalable protective face mask of going in the cap body is formed associating head protector body jointly.
4; a kind of multi-functional labor safety head protector as claimed in claim 3; it is characterized in that pernicious gas exceeds standard detects and warning device is arranged in the cap body and with illuminating lamp holder; lead and power supply and leak electricity short-circuit protective device thereof are arranged in the cap body of making one in the safety cap with safety cap; and with the cap body on fuel gas; dust content exceeds standard and the tunnel; cavern Nei Ding nation internal stress; the pressure anomaly situation detects and corresponding acoustic-optic alarm and can preventing fires; waterproof; humiture in gas defence and detection and the adjusting calotte; system oxygen is breathed for saving oneself under the anaerobic situation, and scalable protective face mask of going in the cap body is formed associating head protector body jointly.
5; a kind of multi-functional labor safety head protector as claimed in claim 4; it is characterized in that dust exceeds standard detects and warning device is arranged in the cap body and with illuminating lamp holder; lead and power supply and leak electricity short-circuit protective device thereof are arranged in the cap body of making one in the safety cap with safety cap; and with the cap body on flammable; pernicious gas; dust content exceeds standard and the tunnel; cavern Nei Ding nation internal stress; the pressure anomaly situation detects and corresponding acoustic-optic alarm and can preventing fires; waterproof; humiture in gas defence and detection and the adjusting calotte; system oxygen is breathed for saving oneself under the anaerobic situation, and scalable protective face mask of going in the cap body is formed associating head protector body jointly.
6; a kind of multi-functional labor safety head protector as claimed in claim 5; it is characterized in that the tunnel; cavern Nei Ding nation internal stress; the pressure anomaly situation detects and corresponding acoustic-optic alarm is arranged in the cap body and with illuminating lamp holder; lead and power supply and leak electricity short-circuit protective device thereof are arranged in the cap body of making one in the safety cap with safety cap; and with the cap body on flammable; pernicious gas; dust content exceeds standard and detects and corresponding acoustic-optic alarm and can preventing fires; waterproof; humiture in gas defence and detection and the adjusting calotte; system oxygen is breathed for saving oneself under the anaerobic situation, and scalable protective face mask of going in the cap body is formed associating head protector body jointly.
7; a kind of multi-functional labor safety head protector as claimed in claim 6; it is characterized in that scalable the preventing fires in the cap body of going into; waterproof; gas defence; the adjusting temperature is arranged; humidity; save oneself breathing mask and safety cap body liner of system oxygen made the scalable of one and gone in the cap body; with with illuminating lamp holder; lead and power supply and leak electricity short-circuit protective device thereof are arranged in the safety cap and safety cap is made the cap body of one, and with the cap body on flammable; pernicious gas; dust content exceeds standard and the tunnel; cavern Nei Ding nation internal stress; the pressure anomaly situation detects and corresponding acoustic-optic alarm is formed associating head protector body jointly.
8; a kind of multi-functional labor safety head protector as claimed in claim 7; it is characterized in that the adjustment bag that detects and regulate humiture in the calotte is arranged in the calotte and illuminating lamp holder; lead and power supply and leak electricity short-circuit protective device thereof are arranged in the cap body of making one in the safety cap with safety cap; and with the cap body on flammable; pernicious gas; dust content exceeds standard and the tunnel; cavern Nei Ding nation internal stress; the pressure anomaly situation detects and corresponding acoustic-optic alarm and can preventing fires; waterproof; gas defence and system oxygen are breathed for saving oneself under the anaerobic situation, and scalable protective face mask of going in the cap body is formed associating head protector body jointly.
9; a kind of multi-functional labor safety head protector as claimed in claim 8; it is characterized in that placing adjustment bag and the illuminating lamp holder of regulating humiture in the calotte in the calotte with detection for the system oxygen bagging that saving oneself under the anaerobic situation breathed; lead and power supply and leak electricity short-circuit protective device thereof are arranged in the cap body of making one in the safety cap with safety cap; and with the cap body on flammable; pernicious gas; dust content exceeds standard and the tunnel; cavern Nei Ding nation internal stress; the pressure anomaly situation detects and corresponding acoustic-optic alarm and can preventing fires; waterproof; humiture in gas defence and detection and the adjusting calotte, scalable protective face mask of going in the cap body is formed associating head protector body jointly.
10; a kind of multi-functional labor safety head protector as claimed in claim 9; it is characterized in that the system oxygen bag that air filter type gas defence mesh bag is arranged in the calotte and supplies to breathe under the anaerobic situation; detect adjustment bag and the illuminating lamp holder of regulating humiture in the calotte; lead and power supply and leak electricity short-circuit protective device thereof are arranged in the cap body of making one in the safety cap with safety cap; and with the cap body on flammable; pernicious gas; dust content exceeds standard and the tunnel; cavern Nei Ding nation internal stress; the pressure anomaly situation detects and corresponding acoustic-optic alarm and can preventing fires; humiture in waterproof and detection and the adjusting calotte; system oxygen is breathed for saving oneself under the anaerobic situation, and scalable protective face mask of going in the cap body is formed associating head protector body jointly.
CN 200410055413 2004-07-23 2004-07-23 Multifunction working safety protective convenient helmet CN1586349A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200410055413 CN1586349A (en) 2004-07-23 2004-07-23 Multifunction working safety protective convenient helmet

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Application Number Priority Date Filing Date Title
CN 200410055413 CN1586349A (en) 2004-07-23 2004-07-23 Multifunction working safety protective convenient helmet

Publications (1)

Publication Number Publication Date
CN1586349A true CN1586349A (en) 2005-03-02

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Application Number Title Priority Date Filing Date
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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100456980C (en) * 2007-07-20 2009-02-04 长春金鹰智谷科技集团有限公司 Explosion-proof safety helmet for mine life saving
CN101822440A (en) * 2010-05-10 2010-09-08 李治中 Novel high-strength damping ventilated helmet
CN102228319A (en) * 2011-05-25 2011-11-02 浙江大学 Multisensor-integrated intelligent helmet
CN102742954A (en) * 2012-06-28 2012-10-24 山东科技大学 Mining safety helmet with functions of perceiving vital signs and dangerous environment of miners and early warning
CN103238974A (en) * 2013-05-15 2013-08-14 北京科技大学 Mining emergent danger-avoiding helmet
CN104023442A (en) * 2014-06-06 2014-09-03 宁波燎原灯具股份有限公司 Multi-parameter linkage LED explosion-proof lamp control module and explosion-proof control method
CN104082892A (en) * 2014-06-09 2014-10-08 灌阳县陈工选矿机械制造有限公司 Safe miner lamp cap
CN104207450A (en) * 2014-07-16 2014-12-17 张家港三久箱包有限公司 Novel bag
USD739007S1 (en) 2014-03-14 2015-09-15 3M Innovative Properties Company Powered air purifying respirator unit control panel
CN106382955A (en) * 2016-08-25 2017-02-08 国家电网公司 Monitoring and protection system for operations of power supply and distribution system in low oxygen environment
CN107224025A (en) * 2016-03-23 2017-10-03 王茂骏 Sensing and detecting type protector liner and protector
CN107277755A (en) * 2017-07-19 2017-10-20 犀望新能源科技(昆山)有限公司 A kind of supervisory systems and its application method based on multifunctional safety helmet
CN109820272A (en) * 2019-01-28 2019-05-31 武汉科技大学 A kind of multifunctional safety helmet

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100456980C (en) * 2007-07-20 2009-02-04 长春金鹰智谷科技集团有限公司 Explosion-proof safety helmet for mine life saving
CN101822440A (en) * 2010-05-10 2010-09-08 李治中 Novel high-strength damping ventilated helmet
CN102228319A (en) * 2011-05-25 2011-11-02 浙江大学 Multisensor-integrated intelligent helmet
CN102742954A (en) * 2012-06-28 2012-10-24 山东科技大学 Mining safety helmet with functions of perceiving vital signs and dangerous environment of miners and early warning
CN103238974A (en) * 2013-05-15 2013-08-14 北京科技大学 Mining emergent danger-avoiding helmet
USD739007S1 (en) 2014-03-14 2015-09-15 3M Innovative Properties Company Powered air purifying respirator unit control panel
CN104023442B (en) * 2014-06-06 2017-02-08 宁波燎原灯具股份有限公司 Multi-parameter linkage LED explosion-proof lamp control module and explosion-proof control method
CN104023442A (en) * 2014-06-06 2014-09-03 宁波燎原灯具股份有限公司 Multi-parameter linkage LED explosion-proof lamp control module and explosion-proof control method
CN104082892A (en) * 2014-06-09 2014-10-08 灌阳县陈工选矿机械制造有限公司 Safe miner lamp cap
CN104207450A (en) * 2014-07-16 2014-12-17 张家港三久箱包有限公司 Novel bag
CN107224025A (en) * 2016-03-23 2017-10-03 王茂骏 Sensing and detecting type protector liner and protector
CN107224025B (en) * 2016-03-23 2021-01-15 王茂骏 Sensing type protective clothing lining and protective device
CN106382955A (en) * 2016-08-25 2017-02-08 国家电网公司 Monitoring and protection system for operations of power supply and distribution system in low oxygen environment
CN107277755A (en) * 2017-07-19 2017-10-20 犀望新能源科技(昆山)有限公司 A kind of supervisory systems and its application method based on multifunctional safety helmet
CN109820272A (en) * 2019-01-28 2019-05-31 武汉科技大学 A kind of multifunctional safety helmet

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