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CN109567303A - A kind of intelligent safety helmet - Google Patents

A kind of intelligent safety helmet Download PDF

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Publication number
CN109567303A
CN109567303A CN201811648879.5A CN201811648879A CN109567303A CN 109567303 A CN109567303 A CN 109567303A CN 201811648879 A CN201811648879 A CN 201811648879A CN 109567303 A CN109567303 A CN 109567303A
Authority
CN
China
Prior art keywords
module
control unit
electrically connected
wireless communication
main control
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
CN201811648879.5A
Other languages
Chinese (zh)
Inventor
张亚羽
张余锋
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.)
Zhejiang Qing Yuan Power Technology Co Ltd
Original Assignee
Zhejiang Qing Yuan Power Technology Co Ltd
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 Zhejiang Qing Yuan Power Technology Co Ltd filed Critical Zhejiang Qing Yuan Power Technology Co Ltd
Priority to CN201811648879.5A priority Critical patent/CN109567303A/en
Publication of CN109567303A publication Critical patent/CN109567303A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A42HEADWEAR
    • A42BHATS; HEAD COVERINGS
    • A42B3/00Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04Parts, details or accessories of helmets
    • A42B3/0406Accessories for helmets
    • A42B3/0433Detecting, signalling or lighting devices
    • AHUMAN NECESSITIES
    • A42HEADWEAR
    • A42BHATS; HEAD COVERINGS
    • A42B3/00Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04Parts, details or accessories of helmets
    • A42B3/0406Accessories for helmets
    • A42B3/0433Detecting, signalling or lighting devices
    • A42B3/046Means for detecting hazards or accidents

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  • Alarm Systems (AREA)
  • Helmets And Other Head Coverings (AREA)

Abstract

The invention discloses a kind of intelligent safety helmets, it include safety cap ontology, it further include the control cavity being installed on rear side of ontology, the control cavity is snapped connection with the ontology, main control unit is provided in the control chamber body, locating module, brain wave sensor, heart rate sensor, nearly electric transducer, power supply unit, wireless communication module and alarm module, the locating module, brain wave sensor, heart rate sensor and nearly electric transducer are electrically connected with the signal input part of main control unit respectively, the alarm module is electrically connected with the control terminal of main control unit, the power output end of the power supply unit is electrically connected with the power input of the main control unit, the data transmit-receive end of the wireless communication module is electrically connected with the data transmit-receive end of described control unit;Beneficial effects of the present invention: monitoring and the centralized management of on-site personnel can be implemented to the personal safety of on-site personnel, provided safeguard to greatest extent for the life security of operating personnel.

Description

A kind of intelligent safety helmet
Technical field
The present invention relates to safety cap technical fields, and in particular, to a kind of intelligent safety helmet.
Background technique
Existing safety cap point common safety cap and intelligent safety helmet.Common safety cap prevents alluvium from injuring head Protective articles is made of cap shell, hat lining, lower cheekstrap and back ferrule, and cap shell is hemispherical, firm, smooth and have certain elasticity, is hit The impact of object and puncture kinetic energy are mainly born by cap shell.There are certain space between cap shell and hat lining, it can buffer, disperse instantaneously to rush Power is hit, to avoid or mitigate the direct injury to head, impacts absorption performance, puncture resistance, lateral rigidity, electrical isolation Property, anti-flammability are the requirements to the fundamental technology performance of safety cap;Existing intelligent safety helmet is usually in common safety cap On the basis of be integrated with camera, voice, the modules such as communication mainboard have a video acquisition, speech communication, intercommunication, and local video is deposited The functions such as storage, mainly liberation on-site personnel both hands are applied to electric inspection process, rescue and relief work, railway maintenance, petroleum drilling Well, mining industry coal, the fields such as security;
Existing common safety cap and intelligent safety helmet protect the guarantee to provide the foundation for people's biological and ecological methods to prevent plant disease, pests, and erosion.Existing intelligent safety helmet It provides convenience for intelligent patrol detection;But operating personnel's generation is uncomfortable at the scene, such as heatstroke under high-temperature operation, the shapes such as dizziness State, can not find at the first time and intervene treatment, and human body starts fatigue after longevity of service, absent minded to be likely to Lead to the generation of accident, if can give warning in advance, it is possible to avoid accident.
Chinese patent, publication number: publication date: 108244740 A of CN on July 6th, 2018, discloses a kind of intelligent and safe Cap and intelligent communication system are related to safety cap technical field.The present invention provides a kind of intelligent safety helmet, including cap body, power supply mould Block, wireless communication module, image module, voice module, indicating module and control module, power module, wireless communication module, figure Picture module, voice module, indicating module and control module are connect with cap body, power module, wireless communication module, image mould Block, voice module and indicating module are electrically connected with control module respectively.It is realized cap body as communication carrier under adverse circumstances Timely unobstructed communication, when the physical condition that cannot monitor operating personnel in real time, when a fault occurs cannot timely early warning, to making The life security of energy personnel brings hidden danger.
Summary of the invention
Mesh of the invention be solve when construction site occur accident to the life zone of construction personnel to threaten when, command centre In the case where emergency preplan cannot being made according to field condition in time, a kind of intelligent safety helmet is devised, characteristics of human body is detected Sensor application is on safety cap, the vital signs situation of real-time detection operating personnel, the personal safety to on-site personnel Implement monitoring and the centralized management of on-site personnel, is provided safeguard to greatest extent for the life security of operating personnel.
To realize the above-mentioned technical purpose, a kind of technical solution provided by the invention is a kind of intelligent safety helmet, includes peace Full cap ontology, further includes the control cavity being installed on rear side of ontology, the control cavity is snapped connection with the ontology, described Main control unit, locating module, brain wave sensor, heart rate sensor, nearly electric transducer, power supply list are provided in control chamber body Member, wireless communication module and alarm module, the locating module, brain wave sensor, heart rate sensor and nearly fax sense Device is electrically connected with the signal input part of main control unit respectively, and the alarm module is electrically connected with the control terminal of main control unit, described The power output end of power supply unit is electrically connected with the power input of the main control unit, and the data of the wireless communication module are received Originator is electrically connected with the data transmit-receive end of described control unit, is fixedly installed in the control chamber body and is integrated the master control list Member, locating module, brain wave sensor, heart rate sensor, nearly electric transducer and wireless communication module circuit main board.We In case, when operating personnel's operation, by turning on the power switch, various sensors are started to work, the life of real-time monitoring operating personnel Sign situation is ordered, and the information of vital sign situation is timely feedbacked to cell phone client and remote command center, operating personnel Can be according to the heart rate and brain wave situation of the APP real time inspection on mobile phone oneself, while command centre can also be real-time Monitor the location information and vital sign situation of operating personnel, when the operation in high voltage environment, nearly electric transducer can be felt The power that electric field should be arrived, by strong and weak signals judge safety cap with a distance from high-voltage line, once into risk distance, safety cap Warning light flashing, loudspeaker alarm, command centre and cell phone application alert simultaneously, and warning operating personnel withdraws danger zone in time; When operation human life's sign shows undesirable condition, cell phone application is alarmed, while command centre can show generation life The location information and vital sign situation of the operating personnel of failure, takes counter-measure in time, and the warning light on safety cap dodges Bright and loudspeaker sounds an alarm, so that neighbouring operating personnel has found unfavorable condition, takes rescue measure in time, apparatus structure letter It is single, monitoring and the centralized management of on-site personnel can be implemented to the personal safety of on-site personnel, be to greatest extent The life security of operating personnel provides safeguard, practical.
The alarm module includes warning lamp, loudspeaker and alarm button;The loudspeaker is fixedly mounted on institute On the intracavity sidewall for stating control cavity, the control cavity is provided with several tiny ventholes in loudspeaker installation site, described Warning lamp is nested on the upper casing of control cavity, and the alarm button is nested in the opposition side of the control cavity and loudspeaker On.In the present solution, when operation human life's sign is normal, warning light does not work, and loudspeaker does not work, when operating personnel feels body Body it is uncomfortable or face a danger situation when, alarm button can be pressed, loudspeaker sounds an alarm, warn operating personnel nearby note that To take counter-measure, while remote command center can also receive alarm signal, and staff's verification of command centre should The vital sign situation of operating personnel is linked up in time with the personnel that correct students' papers to take reply to handle.
The wireless communication module includes bluetooth module, 2G or 3G or 4G or 5G or gsm module.In the present solution, institute My bluetooth module stated is connect with mobile phone, by the vital sign situation of the APP program software real-time detection itself in mobile phone, It being communicated by 2G or 3G or 4G or 5G or gsm module and remote command center, data transmission is stablized, ensure the validity of data, It is provided safeguard for the life security of operating personnel.
The power supply unit includes lithium battery, USB charge port, power switch and indicator light, further includes having SIM card Socket, the USB charge port and lithium battery are electrically connected, and the lithium battery passes through the power supply of power switch and the main control unit Input terminal electrical connection, the SIM socket are electrically connected with wireless communication module.In the present embodiment, when lithium battery enters charged state When, indicator light, which is displayed in red, to be always on;When the fully charged rear indicator light of lithium battery shows that green is always on;When electric quantity of lithium battery is lower than full electricity Amount 15% when, indicator light is displayed in red flashing, and using the durable of lithium battery, charge-discharge velocity is stablized, for each sensor The guarantee provided is provided, while being equipped with USB charge port, or else take out in the case where lithium battery can after charge, operate Convenient, practicability is high.
The locating module is Beidou/GPS positioning module.In the present solution, can be real using Beidou/GPS positioning module It applies and the location information of operating personnel and motion profile is fed back into command centre, command centre can be according to the institute of operating personnel In crisis, emergency measure is specified, the efficiency of rescue is improved.
The wireless communication module respectively with cell phone and remote monitoring terminal communication connection.In the present solution, using Wireless module supports multiple kinds, the comprehensive monitoring of more equipment and record operating personnel's job information, to rescue in next step It helps and provides data support, while improving the applicability of device.
Beneficial effects of the present invention: the present apparatus is integrated with brain wave sensor, satellite positioning, heart rate sensor, nearly fax Sensor is capable of the working environment and vital signs situation of real-time detection operating personnel, is provided for the life security of operating personnel It ensures;2, safety cap itself design has alarm system, and according to circumstances selection alarm strategy also increases while improving safety The applicability of equipment is added;3, command centre is according to warning information to operating personnel's vital sign, track position, handling situations Real-time monitoring is carried out, the centralized management to patrol officer is completed, makes emergency policy in time, improves rescue efficiency.
Detailed description of the invention
Fig. 1 is a kind of structural block diagram of intelligent safety helmet of the invention.
Fig. 2 is a kind of structural schematic diagram of intelligent safety helmet of the invention.
Fig. 3 is a kind of intelligent safety helmet power supply unit schematic diagram of the invention.
Description of symbols in figure: 1- ontology, 2- control cavity, 21- main control unit, 22- locating module, 23- brain wave sensing Device, 24- heart rate sensor, the nearly electric transducer of 25-, 26- power supply unit, 27- wireless communication module, 28- alarm module, 261- USB charge port, 262- power switch, 263 indicator lights, 264- SIM card socket.
Specific embodiment
It is right with reference to the accompanying drawings and examples for the purpose of the present invention, technical solution and advantage is more clearly understood The present invention is described in further detail, it should be appreciated that the specific embodiments described herein are only one kind of the invention Most preferred embodiment, only to explain the present invention, and the scope of protection of the present invention is not limited, and those of ordinary skill in the art are not having Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
Embodiment: as shown in Figs. 1-2, it further includes being installed on ontology 1 that a kind of intelligent safety helmet, which includes safety cap ontology 1, The control cavity 2 of rear side, the control cavity 2 are snapped connection with the ontology 1, are provided with master control in the control cavity 2 Unit 21, locating module 22, brain wave sensor 23, heart rate sensor 24, nearly electric transducer 25, power supply unit 26, channel radio Interrogate module 27 and alarm module 28, the locating module 22, brain wave sensor 23, heart rate sensor 24 and nearly fax sense Device 25 is electrically connected with the signal input part of main control unit 21 respectively, and the control terminal of the alarm module 28 and main control unit 21 is electrically connected It connects, the power output end of the power supply unit 26 is electrically connected with the power input of the main control unit 21, the wireless telecommunications The data transmit-receive end of module 27 is electrically connected with the data transmit-receive end of described control unit, fixed setting in the control cavity 2 Integrate the main control unit 21, locating module 22, brain wave sensor 23, heart rate sensor 24, nearly electric transducer 25 and The circuit main board of wireless communication module 27.In the present embodiment, when operating personnel's operation, by turning on the power switch, various sensings Device is started to work, the vital sign situation of real-time monitoring operating personnel, and the information of vital sign situation is timely feedbacked to hand Machine client and remote command center, operating personnel can be according to the hearts rate and brain of the APP real time inspection on mobile phone oneself Wave condition, while command centre can also monitor the location information and vital sign situation of operating personnel in real time, when in height In voltage environment when operation, nearly electric transducer 25 can sense the power of electric field, judge safety cap from high pressure by strong and weak signals The distance of line, once into risk distance, the warning light of safety cap flashes, and loudspeaker alarm, command centre and cell phone application are simultaneously Alarm, warning operating personnel withdraw danger zone in time;When operation human life's sign shows undesirable condition, cell phone application It alarms, while command centre can show the location information and vital sign situation that the operating personnel of life failure occurs, Counter-measure is taken in time, the warning light flashing and loudspeaker on safety cap sound an alarm, not so as to neighbouring operating personnel discovery Good situation takes rescue measure in time, and the apparatus structure is simple, can to the personal safety of on-site personnel implement monitoring and The centralized management of on-site personnel provides safeguard to greatest extent for the life security of operating personnel, practical.
The alarm module 28 includes warning lamp, loudspeaker and alarm button;The loudspeaker is fixedly mounted on On the intracavity sidewall of the control cavity 2, the control cavity 2 is provided with several tiny ventholes in loudspeaker installation site, The warning lamp is nested on the upper casing of control cavity 2, and the alarm button is nested in pair of the control cavity 2 and loudspeaker On vertical side.In the present embodiment, when operation human life's sign is normal, warning light does not work, and loudspeaker does not work, as operation people Member feel uncomfortable or face a danger situation when, alarm button can be pressed, loudspeaker sounds an alarm, and warns operation people nearby Member is note that take counter-measure, while remote command center can also receive alarm signal, the staff of command centre The vital sign situation for checking the operating personnel is linked up in time with the personnel that correct students' papers to take reply to handle.
The wireless communication module 27 includes bluetooth module, 2G or 3G or 4G or 5G or gsm module.The present embodiment In, my bluetooth module is connect with mobile phone, passes through the vital sign of the APP program software real-time detection itself in mobile phone Situation is communicated by 2G or 3G or 4G or 5G or gsm module and remote command center, and data transmission is stablized, and ensure data has Effect property provides safeguard for the life security of operating personnel.
The power supply unit 26 includes lithium battery (not shown), USB charge port 261, power switch 262 and instruction Lamp 263 further includes having SIM card socket 264, and the USB charge port 261 is electrically connected with lithium battery, and the lithium battery passes through electricity Source switch 262 is electrically connected with the power input of the main control unit 21, and the SIM socket 264 is electrically connected with wireless communication module It connects.In the present embodiment, when lithium battery enters charged state, indicator light 263, which is displayed in red, to be always on;Refer to after lithium battery is fully charged Show that lamp 263 shows that green is always on;When electric quantity of lithium battery is lower than the 15% of Full Charge Capacity, indicator light 263 is displayed in red flashing, uses The durable of lithium battery, charge-discharge velocity are stablized, and are the guarantee that the normal operation of each sensor provides, while being equipped with USB Charge port 261, or else take out in the case where lithium battery can after charge, easy to operate, practicability is high.
The locating module 22 is Beidou/GPS positioning module 22.In the present embodiment, using Beidou/GPS positioning module 22 can be implemented the location information of operating personnel and motion profile feeding back to command centre, and command centre can be according to operation The place crisis of personnel specifies emergency measure, improves the efficiency of rescue.
The wireless communication module 27 respectively with cell phone and remote monitoring terminal communication connection.In the present embodiment, Multiple kinds, the comprehensive monitoring of more equipment and record operating personnel's job information are supported using wireless module, are next Step rescue provides data support, while improving the applicability of device.
The specific embodiment of the above is a kind of better embodiment of intelligent safety helmet of the present invention, is not limited with this Fixed specific implementation range of the invention, the scope of the present invention includes being not limited to present embodiment, all according to the present invention's Equivalence changes made by shape, structure are within the scope of the invention.

Claims (6)

1. a kind of intelligent safety helmet includes safety cap ontology (1), it is characterised in that: further include being installed on rear side of ontology (1) It controls cavity (2), the control cavity (2) snaps connection with the ontology (1), is provided with master in the control cavity (2) Control unit (21), locating module (22), brain wave sensor (23), heart rate sensor (24), nearly electric transducer (25), power supply list First (26), wireless communication module (27) and alarm module (28), the locating module (22), brain wave sensor (23), the heart Rate sensor (24) and nearly electric transducer (25) are electrically connected with the signal input part of main control unit (21) respectively, the alarm mould Block (28) is electrically connected with the control terminal of main control unit (21), the power output end and the main control unit of the power supply unit (26) (21) power input electrical connection, the data transmit-receive end of the wireless communication module (27) and the data of described control unit are received Originator electrical connection, interior be fixedly installed of the control cavity (2) integrate the main control unit (21), locating module (22), brain Radio wave sensor (23), heart rate sensor (24), nearly electric transducer (25) and wireless communication module (27) circuit main board.
2. a kind of intelligent safety helmet according to claim 1, it is characterised in that: the alarm module (28) includes police Show lamp, loudspeaker and alarm button;The loudspeaker is fixedly mounted on the intracavity sidewall of control cavity (2), described Control cavity (2) is provided with several tiny ventholes in loudspeaker installation site, and the warning lamp is nested in control cavity (2) On upper casing, the alarm button is nested on the opposition side of control cavity (2) and loudspeaker.
3. a kind of intelligent safety helmet according to claim 1, it is characterised in that: the wireless communication module (27) includes There are bluetooth module, 2G or 3G or 4G or 5G or gsm module.
4. a kind of intelligent safety helmet according to claim 3, it is characterised in that: the power supply unit (26) includes lithium Battery, USB charge port (261), power switch (262) and indicator light (263) further include having SIM card socket (264), described USB charge port (261) and lithium battery are electrically connected, and the lithium battery passes through power switch (262) and the main control unit (21) Power input electrical connection, the SIM socket (264) is electrically connected with wireless communication module.
5. a kind of intelligent safety helmet according to claim 1, it is characterised in that: the locating module (22) be Beidou/ GPS positioning module (22).
6. a kind of intelligent safety helmet according to claim 1 or 3, it is characterised in that: the wireless communication module (27) Respectively with cell phone and remote monitoring terminal communication connection.
CN201811648879.5A 2018-12-30 2018-12-30 A kind of intelligent safety helmet Pending CN109567303A (en)

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Application Number Priority Date Filing Date Title
CN201811648879.5A CN109567303A (en) 2018-12-30 2018-12-30 A kind of intelligent safety helmet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811648879.5A CN109567303A (en) 2018-12-30 2018-12-30 A kind of intelligent safety helmet

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CN109567303A true CN109567303A (en) 2019-04-05

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110215005A (en) * 2019-06-18 2019-09-10 国网山东省电力公司龙口市供电公司 A kind of live-working safety cap based on Internet of Things
CN110226797A (en) * 2019-05-07 2019-09-13 深圳市宏智力科技有限公司 The helmet and its communication means with integrated communication device
CN110349287A (en) * 2019-06-10 2019-10-18 国网浙江省电力有限公司嘉兴供电公司 A kind of electric power safety cruising inspection system based on wearable device
CN110720901A (en) * 2019-11-14 2020-01-24 云南电网有限责任公司电力科学研究院 Method for monitoring emotion and health condition of operating personnel and safety helmet
CN110771982A (en) * 2019-11-07 2020-02-11 国网江苏省电力有限公司徐州供电分公司 Intelligent wearable device suitable for power grid operation environment
CN110840423A (en) * 2019-11-19 2020-02-28 大唐大丰风电开发有限公司 Human body accident monitoring system for wind power plant
CN110973753A (en) * 2019-12-12 2020-04-10 北京京能清洁能源电力股份有限公司北京分公司 Safety helmet, safety management method and device based on safety helmet
CN111011968A (en) * 2019-11-19 2020-04-17 国网浙江宁波市鄞州区供电有限公司 Intelligent safety helmet and operating system for controlling intelligent safety helmet
CN111358109A (en) * 2020-04-30 2020-07-03 北京思福泰科技有限公司 Electroencephalogram information monitoring device and monitoring method of intelligent safety helmet
CN112947205A (en) * 2021-02-25 2021-06-11 济南惠成达科技有限公司 Movable maintenance safety monitoring system
CN112971252A (en) * 2021-01-22 2021-06-18 重庆涪陵电力实业股份有限公司 Intelligent sensing label for safety helmet of power system
CN113080561A (en) * 2021-04-01 2021-07-09 呼伦贝尔安泰热电有限责任公司扎兰屯热电厂 Nearly electric induction audible and visual alarm safety helmet

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CN206238559U (en) * 2016-12-07 2017-06-13 新昌县永佳耐火材料厂 A kind of safety helmet with nearly electric danger early warning function
CN207733723U (en) * 2017-12-26 2018-08-17 刘金 A kind of intelligent safety helmet
CN208228430U (en) * 2018-03-27 2018-12-14 江苏永太新能源科技有限公司 Electric power intelligent safety helmet system
CN210094775U (en) * 2018-12-30 2020-02-21 浙江上青元电力科技有限公司 Intelligent safety helmet

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
CN206238559U (en) * 2016-12-07 2017-06-13 新昌县永佳耐火材料厂 A kind of safety helmet with nearly electric danger early warning function
CN207733723U (en) * 2017-12-26 2018-08-17 刘金 A kind of intelligent safety helmet
CN208228430U (en) * 2018-03-27 2018-12-14 江苏永太新能源科技有限公司 Electric power intelligent safety helmet system
CN210094775U (en) * 2018-12-30 2020-02-21 浙江上青元电力科技有限公司 Intelligent safety helmet

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110226797B (en) * 2019-05-07 2021-11-02 深圳市宏智力科技有限公司 Helmet with integrated communication device and communication method thereof
CN110226797A (en) * 2019-05-07 2019-09-13 深圳市宏智力科技有限公司 The helmet and its communication means with integrated communication device
CN110349287A (en) * 2019-06-10 2019-10-18 国网浙江省电力有限公司嘉兴供电公司 A kind of electric power safety cruising inspection system based on wearable device
CN110215005A (en) * 2019-06-18 2019-09-10 国网山东省电力公司龙口市供电公司 A kind of live-working safety cap based on Internet of Things
CN110771982A (en) * 2019-11-07 2020-02-11 国网江苏省电力有限公司徐州供电分公司 Intelligent wearable device suitable for power grid operation environment
CN110720901A (en) * 2019-11-14 2020-01-24 云南电网有限责任公司电力科学研究院 Method for monitoring emotion and health condition of operating personnel and safety helmet
CN110840423A (en) * 2019-11-19 2020-02-28 大唐大丰风电开发有限公司 Human body accident monitoring system for wind power plant
CN111011968A (en) * 2019-11-19 2020-04-17 国网浙江宁波市鄞州区供电有限公司 Intelligent safety helmet and operating system for controlling intelligent safety helmet
CN110973753A (en) * 2019-12-12 2020-04-10 北京京能清洁能源电力股份有限公司北京分公司 Safety helmet, safety management method and device based on safety helmet
CN111358109A (en) * 2020-04-30 2020-07-03 北京思福泰科技有限公司 Electroencephalogram information monitoring device and monitoring method of intelligent safety helmet
CN112971252A (en) * 2021-01-22 2021-06-18 重庆涪陵电力实业股份有限公司 Intelligent sensing label for safety helmet of power system
CN112947205A (en) * 2021-02-25 2021-06-11 济南惠成达科技有限公司 Movable maintenance safety monitoring system
CN113080561A (en) * 2021-04-01 2021-07-09 呼伦贝尔安泰热电有限责任公司扎兰屯热电厂 Nearly electric induction audible and visual alarm safety helmet

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Application publication date: 20190405