CN108938193A - A kind of protective face mask - Google Patents
A kind of protective face mask Download PDFInfo
- Publication number
- CN108938193A CN108938193A CN201811188537.XA CN201811188537A CN108938193A CN 108938193 A CN108938193 A CN 108938193A CN 201811188537 A CN201811188537 A CN 201811188537A CN 108938193 A CN108938193 A CN 108938193A
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- Prior art keywords
- light
- component
- face mask
- control component
- micro
- 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.)
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- 230000001681 protective effect Effects 0.000 title claims abstract description 37
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 27
- 239000011521 glass Substances 0.000 claims description 14
- 230000003287 optical effect Effects 0.000 claims description 9
- 238000004064 recycling Methods 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- 230000007717 exclusion Effects 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 12
- 210000001508 eye Anatomy 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000009510 drug design Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000005252 bulbus oculi Anatomy 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/04—Eye-masks ; Devices to be worn on the face, not intended for looking through; Eye-pads for sunbathing
- A61F9/06—Masks, shields or hoods for welders
- A61F9/061—Masks, shields or hoods for welders with movable shutters, e.g. filter discs; Actuating means therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/04—Eye-masks ; Devices to be worn on the face, not intended for looking through; Eye-pads for sunbathing
- A61F9/06—Masks, shields or hoods for welders
- A61F9/065—Masks, shields or hoods for welders use of particular optical filters
Landscapes
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention relates to a kind of protective face mask, the mask body including arc, safety cap limiting slot, hanger, light sensor, light micro-control component, goggles component, arc light and environment light recycle component, charge and discharge electrical component.Protective face mask provided by the invention has the advantages that the backward light micro-control component of light sensor environment-identification light issues signal, light micro-control component judges whether current light light and shade intensity meets or exceeds setting value, when environment light is weaker, light micro-control component judges that it is not up to setting value, therefore does not make any movement；When environment light is stronger, light micro-control component judges that it meets or exceeds setting value, therefore issues shielding signals to goggles component immediately, after LCD liquid crystal shading component receives signal, shading status is immediately become, to block strong light, the light for only leaving suitable eye-observation operation passes through.
Description
Technical field
The present invention relates to safety guard field more particularly to a kind of protective face masks.
Background technique
Change under violent operating environment in bright and dark light, operating personnel usually needs using protective face mask to face and eye
Eyeball is protected.By taking weld job as an example: operating personnel is carrying out workpiece before counterpart, levelling capturing etc. weld in flow chart,
Mask need to be taken, after having welding condition, cover face and eyes, subsequent striking welding with mask.This process action is numerous
It is trivial, and a hand is needed to hold mask, greatly reduce working efficiency.Meanwhile due to Conventional masks goggles light transmission when striking
Rate is extremely low, and leading to striking movement is " blind operation ", accompanying problem is that: to-be-welded region may be deviateed when striking, caused
The electric arc of striking destroys workpiece surface.
Summary of the invention
It is an object of the present invention in place of solving the above deficiencies in the existing technologies.
To achieve the above object, the present invention provides a kind of protective face mask, the mask body including arc and is mounted on mask
Other assemblies in main body, mask body include at least 3 predetermined regions of mutual exclusion, are followed successively by the first fate from top to bottom
Domain, the second presumptive area, third region, other assemblies include at least:
Safety cap limiting slot is located at the first presumptive area, the limit for safety cap.
2 hangers, hanger pass through the both ends for being hinged the top edge for being separately mounted to mask body, are used for protective face mask
It is fixed on safety cap.
2 light sensors, are embedded in third presumptive area, return for incuding environment light intensity, and by optical signal
To light micro-control component.
Light micro-control component is mounted on 1 hanger, and light micro-control component is used for according to the light letter from light sensor
Number, it is determined whether the electric signal of adjustment shading degree is sent to goggles component.
Goggles component, the second presumptive area being embedded on mask body, goggles component successively include from outside to inside
White glass, filter glass, LCD liquid crystal shading layer, LCD liquid crystal shading layer are used for according to electric signal, adjustment adjustment shading degree；Line
Cable, for connecting light sensor, light micro-control component and goggles component.
Preferably, 2 hangers are divided into the first hanger and the second hanger, and the first hanger is the extension for being equipped with light micro-control component
Frame further includes the 4th presumptive area below third presumptive area on mask body, and protective face mask further includes arc light and ring
Border light recycling component and charge and discharge electrical component, charge and discharge electrical component are mounted on the second hanger, and arc light and environment light recycling component are embedded
In the 4th presumptive area, arc light and environment light recycling component pass through cable connection charge and discharge electrical component.
Preferably, LCD liquid crystal shading layer includes at least 2 layers of liquid crystal shading plate, and every layer of liquid crystal shading plate includes 2 layers and be covered with partially
The glass substrate of vibration piece, and the liquid crystal layer being covered between the glass substrate of polarizing film positioned at 2 layers.
Preferably, arc light and environment light recycling component include at least one piece of photovoltaic panel.
Preferably, light micro-control component is used for according to the optical signal from light sensor, it is determined whether to goggles set
Part sends the electric signal of adjustment shading degree, and specifically include: light micro-control component judges whether optical signal is more than or equal to and sets
Definite value meets or exceeds setting value in response to optical signal, and light micro-control component issues adjustment shading degree to goggles component
Electric signal makes goggles component become shading status.
Preferably, protective face mask further includes fastening screw, for device to be fastened on safety cap.
Preferably, it is additionally provided with obscurity adjusting knob on light micro-control component, is hidden for manually adjusting goggles component
Light path degree.
Preferably, power switch is additionally provided on light micro-control component.
Protective face mask provided by the invention has the advantages that the backward light micro-control of light sensor environment-identification light
Component issues signal, and light micro-control component judges whether current light light and shade intensity meets or exceeds setting value, when environment light compared with
When weak, light micro-control component judges that it is not up to setting value, therefore does not make any movement；When environment light is stronger, light micro-control group
Part judges that it meets or exceeds setting value, therefore issues shielding signals to goggles component immediately, and LCD liquid crystal shading component receives
After signal, shading status is immediately become, to hide Duan Qiangguang, the light for only leaving suitable eye-observation operation passes through.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of protective face mask provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the protective face mask at another visual angle provided in an embodiment of the present invention；
Fig. 3 is the contraction schematic diagram of the hanger on a kind of protective face mask provided in an embodiment of the present invention；
Fig. 4 is the opening schematic diagram of the hanger on a kind of protective face mask provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram of goggles component provided in an embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram of liquid crystal shading plate provided in an embodiment of the present invention；
Fig. 7 is the working circuit diagram that a kind of environment light provided in an embodiment of the present invention recycles component；
Fig. 8 is the schematic diagram that a kind of safety cap provided in an embodiment of the present invention is caught in safety cap limiting slot；
Fig. 9 is the schematic diagram that a kind of hanger provided in an embodiment of the present invention encircles safety cap；
Figure 10 is a kind of schematic diagram by the fixed safety cap of fastening bolt provided in an embodiment of the present invention；
Figure 11 is a kind of combination diagram of protective face mask and safety cap provided in an embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, technical scheme of the present invention will be described in further detail.
Such as Fig. 1-11, the present invention provides a kind of protective face mask, the mask body 1 including arc and is mounted on mask body
Other assemblies, mask body includes at least 3 of mutual exclusion predetermined regions, is followed successively by the first presumptive area, the from top to bottom
Two presumptive areas, third region are provided with safety cap limiting slot 2 on mask body 1, are located at the first presumptive area, for safety
The limit of cap, to adapt to the safety cap of different type, size.
Mask body 1 is the main structure of protective device, and is used as the carrier of installation other assemblies.Pass through mask and hanger
The rational design of structure realizes removable unloading functions, to adapt to the different size of safety cap of variety classes, reduce use at
This.
Protective face mask further include: 2 hangers, 9,2 light sensors 4, light micro-control component 7, goggles component 3, cable
8。
Such as Fig. 3 and Fig. 4, hanger 9, can be around hinge by being hinged the both ends of the top edge that 13 are separately mounted to mask body
It connects 13 to be rotated, for protective face mask to be fixed on safety cap, by the rational design of hanger 9 and face mask structure, realize
Removable unloading functions to adapt to the different size of safety cap of variety classes reduce use cost.
Light sensor 4 is embedded in third presumptive area, the i.e. lower section of light micro-control component 7, and light sensor 4 is for feeling
It is strong and weak to answer ambient light, and optical signal is back to light micro-control component 7.
Light micro-control component 7 is mounted on hanger 9, and light micro-control component 7 is used for according to the light letter from light sensor 4
Number, it is determined whether the electric signal of adjustment shading degree is sent to goggles component 3.
Goggles component 3 is embedded in the second presumptive area on mask body 1, i.e., the lower section of full cap limiting slot 2, goggles
Component 3 successively includes white glass 14, filter glass 15, LCD liquid crystal shading layer and conducting wire 18 from outside to inside, wherein LCD liquid crystal hides
Photosphere is used for according to electric signal, adjustment adjustment shading degree.LCD liquid crystal shading layer is when light intensity is not up to setting value
Light state, when ambient light intensity meets or exceeds setting value, LCD liquid crystal shading layer is dimmed, covers most of light, only leaves
Light necessary to a small amount of operation passes through.
Cable 8 is used for electric energy and signal transmission between light sensor 4, light micro-control component 7 and goggles component 3.
In one example, protective face mask further includes arc light and environment light recycling component 5 and charge and discharge electrical component 6, charge and discharge
Component 6 is mounted on hanger, and herein, light micro-control component 7 and charge and discharge electrical component 6 are mounted on different hangers, arc light and
5 are located at 4 lower section of light sensor in environment light recycling component, and arc light and environment light recycling component 5 pass through the connection charge and discharge of cable 8
Component 6.
In one example, protective face mask provided by the invention makes it possible to weld by joined low profile photovoltaic plate
Arc light when operation is changed into electric energy by low profile photovoltaic plate, and electric energy is transmitted to charge and discharge electrical component 6 by line related, will
Electric energy is stored or is used, and operating circuit is as shown in Figure 7, wherein Rg is photo resistance, and R1 is biasing resistor 1, and C is to prolong
When capacitor, R2 is biasing resistor 2, and VT1 is triode, and VT2 is triode, and R is variable resistance, and K is circuit switch, and Q is two poles
Pipe.
White glass 14, filter glass 15, LCD liquid crystal shading layer constitute goggles set by the way that bonding is seamless applying together
Part 3, and be embedded on mask body 1 and light sensor 4, light micro-control component 7 are applied in combination, have adaptation function, it should
Function is mainly shown as: goggles component 3 can carry out adaptive change according to the strong and weak of environment light, so that passing through goggles set
The light of part 3 is the light of suitable human eye viewing.
Its working principle is that: 7 sending signals of the backward light micro-control group of 4 environment-identification light of light sensor, light micro-control
Component 7 judges whether current light light and shade intensity meets or exceeds setting value, when environment light is weaker, the judgement of light micro-control component
It is not up to setting value, therefore does not make any movement；When environment light is stronger, such as when welding striking or weld job, light is micro-
Control component 7 judges that it meets or exceeds setting value, therefore issues shielding signals, LCD liquid crystal shading layer 16 to goggles component 7 immediately
After receiving signal, shading status is immediately become, to hide Duan Qiangguang, the light for only leaving suitable eye-observation operation passes through.
The schematic diagram of LCD liquid crystal shading layer is as shown in fig. 6, include 2 layers of liquid crystal shading plate 16, every layer of liquid crystal shading plate includes 2
Layer is covered with the glass substrate 19 of polarizing film, and the liquid crystal layer 20 between the glass substrate 19 of polarizing film is covered with positioned at 2 layers, and
Conductive glue frame 21.In Fig. 6, the number of plies of the liquid crystal shading plate 16 in LCD liquid crystal shading layer is 2 layers and only illustrates, number of plies model
It encloses for layer 2-4.
In one example, protective face mask further includes fastening screw 10, for protective face mask to be fastened on safety cap.
In one example, it is additionally provided with obscurity adjusting knob 11 on light micro-control component, for manually adjusting eye protection
The shading degree of mirror assembly 3.
In one example, power switch 12 is additionally provided on light micro-control component.
Specific implementation.As shown in figure 8, helmet brim to be caught in the safety cap limiting slot 2 of protective face mask, adjusts hanger and embrace
Firmly safety cap, such as Fig. 9 then tighten the fastening screw 10 such as Figure 10, and device installs at this time, the protective face mask after installing
As shown in figure 11.
Above specific embodiment has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
Illustrate, it should be understood that the above is only a specific embodiment of the invention, the protection model that is not intended to limit the present invention
It encloses, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the present invention
Protection scope within.
Claims (8)
1. a kind of protective face mask, which is characterized in that be mounted on safety cap, the mask body including arc and be mounted on the face
Other assemblies in cover main body, the mask body include at least 3 predetermined regions of mutual exclusion, are followed successively by first from top to bottom
Presumptive area, the second presumptive area, third region, the other assemblies include at least:
Safety cap limiting slot is located at first presumptive area, the limit for safety cap；
2 hangers, the hanger pass through the both ends for being hinged the top edge for being separately mounted to the mask body, and being used for will be described
Protective face mask is fixed on the safety cap；
2 light sensors, are embedded in third presumptive area, are back to light for incuding environment light intensity, and by optical signal
Line micro-control component；
Light micro-control component is mounted on 1 hanger, and the light micro-control component is used for according to the light letter from light sensor
Number, it is determined whether the electric signal of adjustment shading degree is sent to goggles component；
Goggles component, the second presumptive area being embedded on the mask body, the goggles component is from outside to inside successively
Including white glass, filter glass, LCD liquid crystal shading layer, the LCD liquid crystal shading layer is used for according to electric signal, and adjustment adjustment hides
Light path degree；
Cable, for connecting the light sensor, the light micro-control component and the goggles component.
2. protective face mask according to claim 1, which is characterized in that 2 hangers are divided into the first hanger and the second hanger, institute
Stating the first hanger is the hanger for being equipped with the light micro-control component, further includes being located at third presumptive area on the mask body
4th presumptive area of lower section, the protective face mask further includes arc light and environment light recycles component and charge and discharge electrical component, described to fill
Discharge assembly is mounted on the second hanger, and the arc light and environment light recycling component are embedded in the 4th presumptive area, described
Arc light and environment light recycle component and connect the charge and discharge electrical component by cable.
3. protective face mask according to claim 1, which is characterized in that the LCD liquid crystal shading layer includes at least 2 layers of liquid crystal
Barn door, every layer of liquid crystal shading plate include 2 layers of glass substrate for being covered with polarizing film, and the glass of polarizing film is covered with positioned at 2 layers
Liquid crystal layer between substrate.
4. protective face mask according to claim 1, which is characterized in that the arc light and environment light recycling component are including at least
One piece of photovoltaic panel.
5. protective face mask according to claim 1, which is characterized in that the light micro-control component is used for according to from light
The optical signal of sensor, it is determined whether the electric signal that adjustment shading degree is sent to goggles component specifically includes: the light
Micro-control component judges whether the optical signal is more than or equal to setting value,
Setting value is met or exceeded in response to the optical signal, the light micro-control component is issued to the goggles component and adjusted
The electric signal of shading degree makes goggles component become shading status.
6. protective face mask according to claim 1, which is characterized in that the protective face mask further includes fastening screw, is used for
Device is fastened on safety cap.
7. protective face mask according to claim 1, which is characterized in that be additionally provided with obscurity on the light micro-control component
Adjusting knob, for manually adjusting goggles component shading degree.
8. protective face mask according to claim 1, which is characterized in that be additionally provided with power supply on the light micro-control component and open
It closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811188537.XA CN108938193B (en) | 2018-10-12 | 2018-10-12 | Protective mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811188537.XA CN108938193B (en) | 2018-10-12 | 2018-10-12 | Protective mask |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108938193A true CN108938193A (en) | 2018-12-07 |
| CN108938193B CN108938193B (en) | 2024-02-06 |
Family
ID=64481010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811188537.XA Active CN108938193B (en) | 2018-10-12 | 2018-10-12 | Protective mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108938193B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109512072A (en) * | 2019-01-11 | 2019-03-26 | 中国电建集团贵州工程有限公司 | A kind of emergency escape safety cap |
| CN113194896A (en) * | 2019-09-20 | 2021-07-30 | 奥托斯维株式会社 | Welding protective tool applying optical function layer and panel control technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB518842A (en) * | 1938-09-06 | 1940-03-08 | Hermann Carl Fleischer | Improvements in or relating to eye shades or the like |
| CN88210059U (en) * | 1988-01-19 | 1988-11-30 | 张国孝 | Safety cap type protecting mask for electric welding |
| JPH01155459U (en) * | 1988-04-15 | 1989-10-25 | ||
| SU1736488A1 (en) * | 1989-05-25 | 1992-05-30 | Центральный научно-исследовательский институт технологии судостроения | Welderъs accessory |
| US5880773A (en) * | 1991-12-27 | 1999-03-09 | Sony Corporation | Head mounted display configured to a user's physical features |
| KR20110109156A (en) * | 2010-03-30 | 2011-10-06 | 주식회사 에스탑 | A safety helmet having a welding mask |
| CN102628995A (en) * | 2011-02-04 | 2012-08-08 | 精工爱普生株式会社 | Virtual image display device |
| KR101245940B1 (en) * | 2012-05-21 | 2013-03-22 | 김병학 | Detachable mask |
| CN203619771U (en) * | 2013-12-12 | 2014-06-04 | 国家电网公司 | Safety cap type automatic darkening welding mask |
| CN104013148A (en) * | 2014-06-23 | 2014-09-03 | 浙江美盾防护技术有限公司 | Helmet support and helmet |
| CN105769439A (en) * | 2016-03-01 | 2016-07-20 | 宁波吉欧光电科技有限公司 | Novel protective face screen |
| US20160246059A1 (en) * | 2015-02-24 | 2016-08-25 | Kopin Corporation | Electronic eyewear viewing device |
| CN206365527U (en) * | 2016-12-09 | 2017-08-01 | 点子建有限公司 | A kind of integrated intelligent headset equipment |
| CN209713369U (en) * | 2018-10-12 | 2019-12-03 | 中国电建集团贵州工程有限公司 | A kind of protective face mask |
-
2018
- 2018-10-12 CN CN201811188537.XA patent/CN108938193B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB518842A (en) * | 1938-09-06 | 1940-03-08 | Hermann Carl Fleischer | Improvements in or relating to eye shades or the like |
| CN88210059U (en) * | 1988-01-19 | 1988-11-30 | 张国孝 | Safety cap type protecting mask for electric welding |
| JPH01155459U (en) * | 1988-04-15 | 1989-10-25 | ||
| SU1736488A1 (en) * | 1989-05-25 | 1992-05-30 | Центральный научно-исследовательский институт технологии судостроения | Welderъs accessory |
| US5880773A (en) * | 1991-12-27 | 1999-03-09 | Sony Corporation | Head mounted display configured to a user's physical features |
| KR20110109156A (en) * | 2010-03-30 | 2011-10-06 | 주식회사 에스탑 | A safety helmet having a welding mask |
| CN102628995A (en) * | 2011-02-04 | 2012-08-08 | 精工爱普生株式会社 | Virtual image display device |
| KR101245940B1 (en) * | 2012-05-21 | 2013-03-22 | 김병학 | Detachable mask |
| CN203619771U (en) * | 2013-12-12 | 2014-06-04 | 国家电网公司 | Safety cap type automatic darkening welding mask |
| CN104013148A (en) * | 2014-06-23 | 2014-09-03 | 浙江美盾防护技术有限公司 | Helmet support and helmet |
| US20160246059A1 (en) * | 2015-02-24 | 2016-08-25 | Kopin Corporation | Electronic eyewear viewing device |
| CN105769439A (en) * | 2016-03-01 | 2016-07-20 | 宁波吉欧光电科技有限公司 | Novel protective face screen |
| CN206365527U (en) * | 2016-12-09 | 2017-08-01 | 点子建有限公司 | A kind of integrated intelligent headset equipment |
| CN209713369U (en) * | 2018-10-12 | 2019-12-03 | 中国电建集团贵州工程有限公司 | A kind of protective face mask |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109512072A (en) * | 2019-01-11 | 2019-03-26 | 中国电建集团贵州工程有限公司 | A kind of emergency escape safety cap |
| CN113194896A (en) * | 2019-09-20 | 2021-07-30 | 奥托斯维株式会社 | Welding protective tool applying optical function layer and panel control technology |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108938193B (en) | 2024-02-06 |
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