CN104287116A - Multifunctional safety protection waistcoat - Google Patents
Multifunctional safety protection waistcoat Download PDFInfo
- Publication number
- CN104287116A CN104287116A CN201410470168.9A CN201410470168A CN104287116A CN 104287116 A CN104287116 A CN 104287116A CN 201410470168 A CN201410470168 A CN 201410470168A CN 104287116 A CN104287116 A CN 104287116A
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- Prior art keywords
- sensor
- vest
- safety protection
- air bag
- multifunctional safety
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Classifications
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/015—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with shock-absorbing means
- A41D13/018—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with shock-absorbing means inflatable automatically
Abstract
The invention discloses a multifunctional safety protection waistcoat. The multifunctional safety protection waistcoat comprises a waistcoat body, a sensing unit arranged on the waistcoat body, and a safety air bag unit arranged in an inner cavity of the waistcoat body, wherein the sensing unit comprises multiple collision prediction sensors, a movement sensor, a physical sign monitoring sensor, a waistcoat tension sensor and a control unit connected with all the sensors, the safety air bag unit comprises a safety air bag, an air generator acting on the safety air bag, and an igniter used for starting the air generator, and the igniter is connected with the control unit. According to the multifunctional safety protection waistcoat, when the head, hip and body of a user suffer from collision or external pressure, the safety air bag can be opened in time to surround the collided part instantly, and then the user is protected from injuries.
Description
Technical field
The present invention relates to a kind of safety protective clothing, particularly relate to a kind of safety protective clothing being applicable to the elderly.
Background technology
Along with the trend of aging population is accelerated day by day, elderly population get more and more, and are faced with a lot of the elderly's safety management matters.And for the safety management problem of the elderly, also become the problem that society more and more pays close attention to.For large-scale public places such as the current home for the aged etc. for the turnover management of personnel and intelligent region, seek help report to the police demand, at present, market there is various different classes of solution, from initial GPS orientation management, mobile phone orientation management, passive RFID finally, active RFID less radio-frequency management system, all in various degree to nursing homes, the managerial skills of the elderly increase, although obtained some to the safety problem of the elderly at present effectively to solve, but problem still exists, such as how to protect the elderly's accidentally tumble, the safety problem of a series of moments such as collision.The elderly is different from other crowds, and bone etc. are more fragile, once fall down or collide consequence relatively seriously, the problem of how to protect the elderly's instantly safe becomes a focus.Domestic and international research for detecting for dangerous information before bringing the falling of infringement after preventing from falling down and reduce falling down at present is also few, and not yet occur commercially produced product, main results is the research and development of protective device, announces less to prediction algorithm.2007, according to the inspiration of air bag in motor-vehicle accident protection, the scholars such as Tian Cun, Ji Cun of Japan started to consider the precarious position before finding out old man falls down, so that the time of leaving starts airbag to reduce when old man falls down to the injury that health brings; They only employ a 3-axis acceleration sensor; determine to be judged to when acceleration is certain specific threshold freely to fall down state through overtesting and statistical analysis; so ensure that the allowance close to 300ms before maximum impact is arrived; for the protection of measure; certainly; because the heat transfer agent gathered is single, therefore there is very large defect in the solution of judging problem in an experiment by accident.Within 2008, Japanese Prop company is also proposed a wearable airbag (Japanese information network), can complete inflation task, for the protection of head and buttocks in 100ms; But but need artificial unlatching, be thus unfavorable for protecting old man.
In addition, for the protection of head, generally conventional is safety cap, protects head injuries.The hardness of the material of current crash helmet shell constantly promotes, and weight is also very light simultaneously.But shell is enough hard, can only ensure not broken, but the ability of its cushion impact forces does not improve.
In view of this, the present inventor studies this, and develop a kind of multifunctional safety protection vest specially, this case produces thus.
Summary of the invention
The object of this invention is to provide a kind of multifunctional safety protection vest, when the head of user, buttocks and health run into collision or foreign object pressure, can enable air bag in time, surround by colliding part instantaneously, protection user escapes injury.
To achieve these goals, solution of the present invention is:
A kind of multifunctional safety protection vest, comprise vest body, be arranged on the sensing unit on vest body, and be arranged on the air bag unit of vest chamber body, wherein, described sensing unit comprises several pre-collision sensor, motion sensor, sign monitoring sensor, vest tension pick-up, and the control unit to be connected with each sensor above-mentioned, described air bag unit comprises air bag, acts on the gas generator of air bag, and for opening the igniter of gas generator, described igniter is connected with control unit.
As preferably, described pre-collision sensor comprises infrared distance sensor and velocity sensor, be respectively used to Prediction distance and speed, judge whether to collide or fall down by the Distance geometry speed predicted, wherein infrared distance sensor can adopt model to be the sensor of GP2Y0A21YKOF, its Prediction distance the chances are 4-30cm; Described velocity sensor can adopt model to be the sensor of MMA1360D.
As preferably, described motion sensor is a human body detection sensor based on " infrared release electric principle ", and it cannot detect movement velocity and the direction of people, can only detect the human body in motion.Motion sensor can adopt model to be the sensor of AMN34112, AMN44121.
As preferably, the hem portion of the collar portion of the back upper end of described vest body, the waist of back lower end, both sides, upper end, shirtfront and the waist and belly of both sides, lower end, shirtfront are all provided with pre-collision sensor, motion sensor and air bag.
As preferably, described sign monitoring sensor is arranged on the shoulder of vest body wherein side, and the XBee module comprising 3-axis acceleration sensor He be attached thereto, realizes the detection to posture during human body stationary motion.The XBee module product of 3-axis acceleration sensor ADXL345 and 1 group of Dig company specifically can be adopted to realize.
As preferably, described vest tension pick-up adopts belt force sensor, is arranged on the shoulder of the other side of vest body, brand specifically can be selected to be LONGLV model be the safety belt Special pull sensor of LONGLV-1.
As preferably, described control unit comprises microprocessor, and power circuit, indicating circuit, the igniter interface to be connected with microprocessor, pre-collision sensor, motion sensor, sign monitoring sensor, vest tension pick-up are connected with microprocessor respectively, and igniter is connected with microprocessor by igniter interface.
As preferably, above-mentioned control unit comprises a stand-by power supply circuit further, and when original power circuit breaks down, microprocessor directly can open stand-by power supply circuit, the normal work of guarantee multifunctional safety protection vest.
When above-mentioned multifunctional safety protection vest uses, when user is about to collide or fall trend, first pre-collision sensor detects: Prediction distance, and the intensity of collision, and prediction is head impact, buttocks collision or health collision, detection signal is sent to control unit simultaneously, judge whether to enable air bag, if enabled, then start corresponding motion sensor, sign monitoring sensor and vest tension pick-up, the sensor simultaneously by the signal feedback that collects to the microprocessor of control unit, microprocessor is after Data Analysis Services, corresponding igniter is opened by igniter interface, igniter acts on gas generator, finally open corresponding air bag, protection user escapes injury.For maintaining and reaching maximum reliability, set up stand-by power supply circuit, once former power-fail, then automatically enable stand-by power supply, the indicator lamp of indicating circuit turns yellow simultaneously, prompting user charging; Microprocessor to igniter interface " inquiry ", namely sends serial ports signaling every certain interval, if igniter is normal, then can beam back feedback command, if igniter lost efficacy, then can not beam back instruction.Microprocessor takes this to know that whether normal igniter is, if normally, instructing lamp green light glimmers (when using first wife's power supply) or press amber light flicker (when using stand-by power supply), if igniter lost efficacy, then and blinking red lamp.
Above-mentioned multifunctional safety protection vest is when user falls, the hidden safety air bag of diverse location can be enabled rapidly: if head runs into collision or foreign object pressure according to different situations, the collar portion of vest body back upper end can be utilized in time to eject air bag, form the helmet, protection head injuries; If health is fallen down or collided, the air bag of the hem portion of both sides, upper end, vest body shirtfront and the waist and belly of both sides, lower end, shirtfront can be enabled in time, surround health instantaneously; If buttocks clashes into, then enable rapidly the air bag being hidden in vest body back lower end waist, encase old man's buttocks, play the effect of security protection.Above-mentioned multifunctional safety protection vest can protect old man's head, health, buttocks not injured when old man's accidental falls; because the elderly falls down be different from child; along with the increase at age; sclerotin is more fragile; most of old man is careless a little; fall down with regard to consequences such as fracture relatively more serious, this armoured vest can cushion the impulse force fallen down, and air bag well can protect health.
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the multifunctional safety protection vest structural representation of the present embodiment;
Fig. 2 is the control unit circuit block diagram of the present embodiment;
Fig. 3 is the multifunctional safety protection vest workflow diagram of the present embodiment.
Detailed description of the invention
As shown in Figure 1-2, a kind of multifunctional safety protection vest, comprise vest body 1, be arranged on the sensing unit 2 on vest body 1, and be arranged on the air bag unit 3 of vest body 1 inner chamber, wherein, described sensing unit 2 comprises several pre-collision sensor 21, motion sensor 22, sign monitoring sensor 23, vest tension pick-up 24, and the control unit to be connected with each sensor above-mentioned, described control unit comprises microprocessor 25, and the power circuit 26 to be connected with microprocessor 25, indicating circuit 27, igniter interface 28, pre-collision sensor 21, motion sensor 22, sign monitoring sensor 23, vest tension pick-up 24 is connected with microprocessor 25 respectively.Described air bag unit 3 comprises air bag 31, acts on the gas generator 32 of air bag, and for opening the igniter 33 of gas generator, described igniter 33 is connected with microprocessor 25 by igniter interface 28.In the present embodiment, above-mentioned control unit comprises a stand-by power supply circuit 29 further, and when original power circuit 26 breaks down, microprocessor 25 directly can open stand-by power supply circuit 26, ensures the normal work of multifunctional safety protection vest.
The hem portion 13 of the collar portion 11 of the back upper end of described vest body 1, the waist 12 of back lower end, both sides, upper end, shirtfront and the waist and belly 14 of both sides, lower end, shirtfront are all provided with pre-collision sensor 21, motion sensor 22 and air bag 31.
In the present embodiment, described pre-collision sensor 21 comprises infrared distance sensor and velocity sensor, be respectively used to Prediction distance and speed, judge whether to collide or fall down by the Distance geometry speed predicted, wherein infrared distance sensor adopts model to be the sensor of GP2Y0A21YKOF, its Prediction distance the chances are 4-30cm; Described velocity sensor adopts model to be the sensor of MMA1360D.
Described motion sensor 22 is the human body detection sensors based on " infrared release electric principle ", it cannot detect movement velocity and the direction of people, the human body in motion can only be detected, in the present embodiment, described motion sensor 22 adopts model to be the sensor of AMN34112, also can adopt AMN44121 sensor.
Described sign monitoring sensor 23 is arranged on the shoulder 15 of vest body 1 wherein side, and the XBee module comprising 3-axis acceleration sensor He be attached thereto, realizes the detection to posture during human body stationary motion.The XBee module product of 3-axis acceleration sensor ADXL345 and 1 group of Dig company specifically can be adopted to realize.
Described vest tension pick-up 24 adopts belt force sensor, is arranged on the shoulder 16 of the other side of vest body 1, brand specifically can be selected to be LONGLV model be the safety belt Special pull sensor of LONGLV-1.Vest tension pick-up 24 is substituted by safety belt Special pull sensor, adopts ultralight titanium alloy structure, greatly can reduce the error in crash tests, and this sensor appearance unusual light, can reduce friction, effectively prevent from tangling air bag, protection health.
Similar with safe automobile air bag of the operation principle of air bag unit 3; microcontroller 25 sends triggering signal; the gas generator 32 of sodium azide and potassium nitrate mixing is started through igniter interface 28, igniter 33; nitrogen is after gas tube is filtered; be filled with substitute cystoblast; air bag 31 expands, the suture of tissue layer inside and outside the vest body 1 that splits, and human body is surrounded protect rapidly.
When above-mentioned multifunctional safety protection vest uses, when user is about to collide or fall trend, first pre-collision sensor 21 detects: Prediction distance, and the intensity of collision, and prediction is head impact, buttocks collision or health collision, detection signal is sent to control unit simultaneously, judge whether to enable air bag, if enabled, then start corresponding motion sensor 22, sign monitoring sensor 23 and vest tension pick-up 24, the sensor simultaneously by the signal feedback that collects to the microprocessor 25 of control unit, microprocessor 25 is after Data Analysis Services, corresponding igniter 33 is opened by igniter interface 28, igniter 33 acts on gas generator 32, finally open corresponding air bag 31, protection user escapes injury.In the present embodiment, for maintaining and reaching maximum reliability, set up stand-by power supply circuit 29, once former power-fail, then automatically enable stand-by power supply, the indicator lamp of indicating circuit 27 turns yellow simultaneously, prompting user charging; Microprocessor 25 to igniter interface 28 " inquiry ", namely sends serial ports signaling every certain interval, if igniter 33 is normal, then can beams back feedback command, if igniter 33 lost efficacy, then can not beam back instruction.Microprocessor 25 takes this to know that whether normal igniter 33 is, if normally, instructing lamp green light glimmers (when using first wife's power supply) or press amber light flicker (when using stand-by power supply), if igniter lost efficacy, then and blinking red lamp.
Above-mentioned multifunctional safety protection vest is when user falls, the hidden safety air bag of diverse location can be enabled rapidly: if head runs into collision or foreign object pressure according to different situations, the collar portion 11 of vest body back upper end can be utilized in time to eject air bag, form the helmet, protection head injuries; If health is fallen down or collided, the air bag of the hem portion 13 of both sides, upper end, vest body shirtfront and the waist and belly 14 of both sides, lower end, shirtfront can be enabled in time, surround health instantaneously; If buttocks clashes into, then enable rapidly the air bag being hidden in vest body back lower end waist 12, encase old man's buttocks, play the effect of security protection.Above-mentioned multifunctional safety protection vest can protect old man's head, health, buttocks not injured when old man's accidental falls; because the elderly falls down be different from child; along with the increase at age; sclerotin is more fragile; most of old man is careless a little; fall down with regard to consequences such as fracture relatively more serious, this armoured vest can cushion the impulse force fallen down, and air bag well can protect health.
Above-described embodiment and graphic and non-limiting product form of the present invention and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present invention.
Claims (10)
1. a multifunctional safety protection vest, it is characterized in that: comprise vest body, be arranged on the sensing unit on vest body, and be arranged on the air bag unit of vest chamber body, wherein, described sensing unit comprises several pre-collision sensor, motion sensor, sign monitoring sensor, vest tension pick-up, and the control unit to be connected with each sensor above-mentioned, described air bag unit comprises air bag, act on the gas generator of air bag, and for opening the igniter of gas generator, described igniter is connected with control unit.
2. a kind of multifunctional safety protection vest as claimed in claim 1, is characterized in that: described pre-collision sensor comprises infrared distance sensor and velocity sensor, is respectively used to Prediction distance and speed.
3. a kind of multifunctional safety protection vest as claimed in claim 2, is characterized in that: described infrared distance sensor adopts model to be the sensor of GP2Y0A21YKOF; Described velocity sensor adopts model to be the sensor of MMA1360D.
4. a kind of multifunctional safety protection vest as claimed in claim 1, is characterized in that: described motion sensor adopts model to be the sensor of AMN34112 or AMN44121.
5. a kind of multifunctional safety protection vest as claimed in claim 1, is characterized in that: the hem portion of the collar portion of the back upper end of described vest body, the waist of back lower end, both sides, upper end, shirtfront and the waist and belly of both sides, lower end, shirtfront are all provided with pre-collision sensor, motion sensor and air bag.
6. a kind of multifunctional safety protection vest as claimed in claim 1, it is characterized in that: described sign monitoring sensor is arranged on the shoulder of vest body wherein side, the XBee module comprising 3-axis acceleration sensor and be attached thereto, realizes the detection to posture during human body stationary motion.
7. a kind of multifunctional safety protection vest as claimed in claim 6, is characterized in that: sign monitoring sensor adopts the XBee module product of 3-axis acceleration sensor ADXL345 and 1 group of Dig company to realize.
8. a kind of multifunctional safety protection vest as claimed in claim 1, it is characterized in that: described vest tension pick-up adopts belt force sensor, be arranged on the shoulder of the other side of vest body, the concrete safety belt Special pull sensor selecting brand to be LONGLV model to be LONGLV-1.
9. a kind of multifunctional safety protection vest as claimed in claim 1, it is characterized in that: described control unit comprises microprocessor, and power circuit, indicating circuit, the igniter interface to be connected with microprocessor, pre-collision sensor, motion sensor, sign monitoring sensor, vest tension pick-up are connected with microprocessor respectively, and igniter is connected with microprocessor by igniter interface.
10. a kind of multifunctional safety protection vest as claimed in claim 9, it is characterized in that: described control unit comprises a stand-by power supply circuit further, when original power circuit breaks down, microprocessor directly can open stand-by power supply circuit, ensures the normal work of multifunctional safety protection vest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410470168.9A CN104287116B (en) | 2014-09-16 | 2014-09-16 | A kind of multifunctional safety protection vest |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410470168.9A CN104287116B (en) | 2014-09-16 | 2014-09-16 | A kind of multifunctional safety protection vest |
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| CN104287116A true CN104287116A (en) | 2015-01-21 |
| CN104287116B CN104287116B (en) | 2016-01-13 |
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| CN201410470168.9A Expired - Fee Related CN104287116B (en) | 2014-09-16 | 2014-09-16 | A kind of multifunctional safety protection vest |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865937A (en) * | 2015-04-03 | 2015-08-26 | 深圳市前海安测信息技术有限公司 | Wearable equipment for assessing human body injury condition and method thereof |
| CN104898598A (en) * | 2015-04-03 | 2015-09-09 | 深圳市前海安测信息技术有限公司 | Wearable device and method for evaluating direction of attacker |
| CN105212284A (en) * | 2015-11-06 | 2016-01-06 | 尹进 | Intelligent positioning warning underwear |
| CN105361277A (en) * | 2015-04-21 | 2016-03-02 | 西南大学 | Garment with function of protecting wearer from being hurt by falling and method for protecting wearer from being hurt by falling |
| CN105614988A (en) * | 2016-03-07 | 2016-06-01 | 中国人民解放军总后勤部卫生部药品仪器检验所 | Novel jacket |
| CN105688398A (en) * | 2015-03-27 | 2016-06-22 | 叶大可 | An immediate response sports protection device |
| CN106473265A (en) * | 2016-12-03 | 2017-03-08 | 石家庄学院 | A kind of intelligence is fallen and is guarded T-shirt and its fall detection algorithm |
| CN106490719A (en) * | 2016-09-14 | 2017-03-15 | 商洛学院 | A kind of the elderly falls down head Shatter-resistant device |
| CN106580285A (en) * | 2016-11-30 | 2017-04-26 | 南通市肿瘤医院 | Intelligent anti-falling waistcoat with monitoring function |
| CN106798379A (en) * | 2016-12-23 | 2017-06-06 | 浙江萌宠日记信息科技股份有限公司 | A kind of intelligent jewelry with social functions |
| CN106962994A (en) * | 2017-02-27 | 2017-07-21 | 东莞产权交易中心 | A kind of anti-tumble waist-protection device |
| CN108146596A (en) * | 2017-12-22 | 2018-06-12 | 安徽省宿州市第二中学 | A kind of hydraulic pressure lifesaving appliance |
| CN108354242A (en) * | 2018-01-25 | 2018-08-03 | 安徽梵玉康体教育咨询有限公司 | A kind of armoured vest for free-fighting |
| CN108354241A (en) * | 2018-04-19 | 2018-08-03 | 三峡大学 | A kind of altitude hot-line operation protective garment based on safety airbag technique |
| CN108532976A (en) * | 2018-05-14 | 2018-09-14 | 张丕拓 | A kind of safety device of high-altitude construction operation |
| CN110766911A (en) * | 2019-11-11 | 2020-02-07 | 中国计量大学 | A safe neck ring for preventing old man from falling down be injured |
| CN111990710A (en) * | 2020-09-01 | 2020-11-27 | 安徽沃伦科技有限公司 | Induction type protection down coat |
| CN113050469A (en) * | 2021-01-04 | 2021-06-29 | 重庆周游科技有限公司 | Tourism safety control system |
| CN113058233A (en) * | 2020-12-06 | 2021-07-02 | 泰州可以信息科技有限公司 | Landing area grading management system and method |
| CN113907732A (en) * | 2020-07-09 | 2022-01-11 | 丁徐许 | Safety protection device for pregnant woman |
| CN115226969A (en) * | 2022-08-03 | 2022-10-25 | 南京市星瑞斯科技有限公司 | Wearing system and method for nursing old people and early warning sign change |
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| CN105688398B (en) * | 2015-03-27 | 2018-01-05 | 宁波市鄞州乐可机电科技有限公司 | A kind of athletic protective equipment of energy random response |
| CN105688398A (en) * | 2015-03-27 | 2016-06-22 | 叶大可 | An immediate response sports protection device |
| CN104898598A (en) * | 2015-04-03 | 2015-09-09 | 深圳市前海安测信息技术有限公司 | Wearable device and method for evaluating direction of attacker |
| CN104865937A (en) * | 2015-04-03 | 2015-08-26 | 深圳市前海安测信息技术有限公司 | Wearable equipment for assessing human body injury condition and method thereof |
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| CN105361277A (en) * | 2015-04-21 | 2016-03-02 | 西南大学 | Garment with function of protecting wearer from being hurt by falling and method for protecting wearer from being hurt by falling |
| CN105212284A (en) * | 2015-11-06 | 2016-01-06 | 尹进 | Intelligent positioning warning underwear |
| CN105614988A (en) * | 2016-03-07 | 2016-06-01 | 中国人民解放军总后勤部卫生部药品仪器检验所 | Novel jacket |
| CN105614988B (en) * | 2016-03-07 | 2018-01-12 | 中国人民解放军总后勤部卫生部药品仪器检验所 | A kind of jacket |
| CN106490719A (en) * | 2016-09-14 | 2017-03-15 | 商洛学院 | A kind of the elderly falls down head Shatter-resistant device |
| CN106580285A (en) * | 2016-11-30 | 2017-04-26 | 南通市肿瘤医院 | Intelligent anti-falling waistcoat with monitoring function |
| CN106473265A (en) * | 2016-12-03 | 2017-03-08 | 石家庄学院 | A kind of intelligence is fallen and is guarded T-shirt and its fall detection algorithm |
| CN106798379A (en) * | 2016-12-23 | 2017-06-06 | 浙江萌宠日记信息科技股份有限公司 | A kind of intelligent jewelry with social functions |
| CN106962994A (en) * | 2017-02-27 | 2017-07-21 | 东莞产权交易中心 | A kind of anti-tumble waist-protection device |
| CN108146596A (en) * | 2017-12-22 | 2018-06-12 | 安徽省宿州市第二中学 | A kind of hydraulic pressure lifesaving appliance |
| CN108354242B (en) * | 2018-01-25 | 2019-06-28 | 安徽梵玉康体教育咨询有限公司 | A kind of armoured vest for free-fighting |
| CN108354242A (en) * | 2018-01-25 | 2018-08-03 | 安徽梵玉康体教育咨询有限公司 | A kind of armoured vest for free-fighting |
| CN108354241A (en) * | 2018-04-19 | 2018-08-03 | 三峡大学 | A kind of altitude hot-line operation protective garment based on safety airbag technique |
| CN108532976A (en) * | 2018-05-14 | 2018-09-14 | 张丕拓 | A kind of safety device of high-altitude construction operation |
| CN108532976B (en) * | 2018-05-14 | 2020-03-20 | 张丕拓 | Safety protection device for high-altitude construction operation |
| CN110766911A (en) * | 2019-11-11 | 2020-02-07 | 中国计量大学 | A safe neck ring for preventing old man from falling down be injured |
| CN113907732A (en) * | 2020-07-09 | 2022-01-11 | 丁徐许 | Safety protection device for pregnant woman |
| CN111990710A (en) * | 2020-09-01 | 2020-11-27 | 安徽沃伦科技有限公司 | Induction type protection down coat |
| CN113058233A (en) * | 2020-12-06 | 2021-07-02 | 泰州可以信息科技有限公司 | Landing area grading management system and method |
| CN113050469A (en) * | 2021-01-04 | 2021-06-29 | 重庆周游科技有限公司 | Tourism safety control system |
| CN115226969A (en) * | 2022-08-03 | 2022-10-25 | 南京市星瑞斯科技有限公司 | Wearing system and method for nursing old people and early warning sign change |
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| CN104287116B (en) | 2016-01-13 |
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