CN108938193B - Protective mask - Google Patents
Protective mask Download PDFInfo
- Publication number
- CN108938193B CN108938193B CN201811188537.XA CN201811188537A CN108938193B CN 108938193 B CN108938193 B CN 108938193B CN 201811188537 A CN201811188537 A CN 201811188537A CN 108938193 B CN108938193 B CN 108938193B
- Authority
- CN
- China
- Prior art keywords
- light
- assembly
- component
- micro
- shading
- 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 29
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 25
- 238000004064 recycling Methods 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 claims abstract 4
- 239000011521 glass Substances 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 2
- 230000007717 exclusion Effects 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000011084 recovery Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000002834 transmittance Methods 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
Abstract
The invention relates to a protective mask which comprises an arc mask body, a safety helmet limiting groove, a hanging frame, a light sensor, a light micro-control assembly, a goggles assembly, an arc light and environment light recycling assembly and a charging and discharging assembly. The protective mask provided by the invention has the following beneficial effects: the light sensor sends a signal to the light micro-control component after recognizing the ambient light, the light micro-control component judges whether the current light brightness intensity reaches or exceeds a set value, and when the ambient light is weaker, the light micro-control component judges that the ambient light does not reach the set value, so that no action is performed; when the ambient light is stronger, the light micro-control component judges that the ambient light reaches or exceeds a set value, so that a shading signal is sent to the goggles component immediately, the LCD liquid crystal shading component is changed into a shading state immediately after receiving the signal, so that strong light is shielded, and only light suitable for human eye observation operation is left to pass.
Description
Technical Field
The invention relates to the field of safety protection devices, in particular to a protective mask.
Background
In an operating environment where light and shade change drastically, operators often need to protect the face and eyes with protective masks. Taking welding operation as an example: in the working procedures of welding such as aligning, leveling and aligning the workpiece, operators need to take off the mask, cover the face and eyes with the mask after the welding conditions are met, and then perform arc striking welding. The process is complicated in action, and the mask is required to be held by one hand, so that the working efficiency is greatly reduced. Meanwhile, when striking an arc, the light transmittance of the traditional mask goggles is extremely low, so that the striking arc acts as a blind operation, and the following problems are that: the arc may deviate from the area to be welded upon striking, resulting in the arc striking the surface of the workpiece being damaged.
Disclosure of Invention
The present invention aims to solve the above-mentioned drawbacks of the prior art.
In order to achieve the above object, the present invention provides a protective mask, including an arc mask body and other components mounted on the mask body, where the mask body includes at least 3 predetermined regions mutually exclusive, and the mask body includes a first predetermined region, a second predetermined region, and a third region sequentially from top to bottom, and the other components at least include:
the safety helmet limiting groove is located in a first preset area and used for limiting the safety helmet.
And the 2 hanging frames are connected with two ends of the upper edge of the mask main body through hinges and used for fixing the protective mask on the safety helmet.
And the 2 light sensors are embedded in a third preset area and are used for sensing the intensity of ambient light and transmitting light signals back to the light micro-control assembly.
The light micro-control assembly is arranged on the 1 hanger and used for determining whether to send an electric signal for adjusting the shading degree to the goggles assembly according to the light signal from the light sensor.
The goggles component is embedded in a second preset area on the mask main body and sequentially comprises white glass, filter glass and an LCD (liquid crystal display) liquid crystal shading layer from outside to inside, wherein the LCD liquid crystal shading layer is used for adjusting shading degree according to the electric signals; and the cable is used for connecting the light sensor, the light micro-control assembly and the goggles assembly.
Preferably, the 2 stores pylon divide into first stores pylon and second stores pylon, and first stores pylon is for installing the stores pylon of light micro-control subassembly, still including being located the fourth predetermined region of third predetermined region below on the face guard main part, and protective mask still includes arc light and ambient light recovery subassembly and charge-discharge subassembly, and charge-discharge subassembly installs on the second stores pylon, and arc light and ambient light recovery subassembly are embedded in the fourth predetermined region, and arc light and ambient light recovery subassembly pass through the cable and connect charge-discharge subassembly.
Preferably, the LCD liquid crystal light shielding layer includes at least 2 liquid crystal light shielding plates, each of which includes 2 glass substrates coated with a polarizing plate, and a liquid crystal layer between the 2 glass substrates coated with a polarizing plate.
Preferably, the arc and ambient light recycling assembly comprises at least one photovoltaic panel.
Preferably, the light micro-control component is configured to determine whether to send an electrical signal for adjusting the shading degree to the goggles component according to the light signal from the light sensor, and specifically includes: the light micro-control component judges whether the light signal is larger than or equal to a set value, and responds to the light signal reaching or exceeding the set value, the light micro-control component sends out an electric signal for adjusting the shading degree to the goggles component so that the goggles component is in a shading state.
Preferably, the protective mask further comprises a fastening screw for fastening the device to the helmet.
Preferably, the light micro-control assembly is further provided with a shading degree adjusting knob for manually adjusting the shading degree of the goggles assembly.
Preferably, the light micro-control assembly is also provided with a power switch.
The protective mask provided by the invention has the following beneficial effects: the light sensor sends a signal to the light micro-control component after recognizing the ambient light, the light micro-control component judges whether the current light brightness intensity reaches or exceeds a set value, and when the ambient light is weaker, the light micro-control component judges that the ambient light does not reach the set value, so that no action is performed; when the ambient light is stronger, the light micro-control component judges that the ambient light reaches or exceeds a set value, so that a shading signal is immediately sent to the goggles component, the LCD liquid crystal shading component immediately changes into a shading state after receiving the signal, so that strong light is shaded, and only light suitable for human eye observation operation is left to pass.
Drawings
Fig. 1 is a schematic structural view of a protective mask according to an embodiment of the present invention;
FIG. 2 is a schematic view of a protective mask according to another embodiment of the present invention;
FIG. 3 is a schematic view showing the contraction of a hanger on a face shield according to an embodiment of the present invention;
FIG. 4 is a schematic view showing the opening of a hanger on a face shield according to an embodiment of the present invention;
FIG. 5 is a schematic view of a goggle assembly according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a liquid crystal light shielding plate according to an embodiment of the present invention;
FIG. 7 is a circuit diagram illustrating an embodiment of an ambient light recycling assembly;
fig. 8 is a schematic diagram of a safety helmet clamped into a safety helmet limiting groove according to an embodiment of the present invention;
fig. 9 is a schematic view of a hanging rack encircling safety helmet provided by an embodiment of the invention;
fig. 10 is a schematic view of a safety helmet fixed by fastening bolts according to an embodiment of the present invention;
fig. 11 is a schematic diagram of a combination of a protective mask and a helmet according to an embodiment of the present invention.
Detailed Description
The technical scheme of the invention is further described in detail below with reference to the accompanying drawings and the examples.
As shown in fig. 1-11, the present invention provides a protective mask, which comprises an arc mask body 1 and other components mounted on the mask body, wherein the mask body at least comprises 3 mutually exclusive predetermined areas, namely a first predetermined area, a second predetermined area and a third area from top to bottom, and the mask body 1 is provided with a safety helmet limiting groove 2 which is positioned in the first predetermined area and is used for limiting safety helmets so as to adapt to safety helmets of different types and sizes.
The mask body 1 is the body structure of the protective device and serves as a carrier for mounting other components. Through the reasonable design of face guard and stores pylon structure, realized can dismantle the function to adapt to the safety helmet of different kinds of equidimension, reduced use cost.
The protective mask further comprises: 2 stores pylon 9,2 light sensor 4, light micro-control assembly 7, goggles subassembly 3, cable 8.
As shown in fig. 3 and 4, the hanging frame 9 is respectively installed at two ends of the upper edge of the mask body through the hinge connection 13, and can rotate around the hinge connection 13, so that the protective mask is fixed on the helmet, and the detachable function is realized through reasonable design of the hanging frame 9 and the mask structure, so that the protective mask is suitable for different types of safety helmets with different sizes, and the use cost is reduced.
The light sensor 4 is embedded in a third predetermined area, namely below the light micro-control assembly 7, and the light sensor 4 is used for sensing the intensity of ambient light and transmitting the light signal back to the light micro-control assembly 7.
The light micro-control assembly 7 is mounted on the hanger 9, and the light micro-control assembly 7 is used for determining whether to send an electric signal for adjusting the shading degree to the goggles assembly 3 according to the light signal from the light sensor 4.
The goggles component 3 is embedded in a second preset area on the mask body 1, namely below the full cap limiting groove 2, and the goggles component 3 sequentially comprises white glass 14, filter glass 15, an LCD liquid crystal shading layer and a wire 18 from outside to inside, wherein the LCD liquid crystal shading layer is used for adjusting shading degree according to electric signals. The LCD liquid crystal shading layer is in a light transmission state when the light intensity does not reach a set value, and darkens when the ambient light intensity reaches or exceeds the set value, and shields most of the light, so that only a small amount of light necessary for operation is left to pass through.
The cable 8 is used for transmitting electric energy and signals among the light sensor 4, the light micro-control component 7 and the goggles component 3.
In one example, the mask further comprises an arc and ambient light recycling assembly 5 and a charge and discharge assembly 6, the charge and discharge assembly 6 being mounted on a hanger, where the light microcontroller assembly 7 and the charge and discharge assembly 6 are mounted on different hangers, the arc and ambient light recycling assembly 5 being located below the light sensor 4, the arc and ambient light recycling assembly 5 being connected to the charge and discharge assembly 6 by a cable 8.
In one example, the protective mask provided by the invention can convert arc light during welding operation into electric energy through the small photovoltaic plate and transmit the electric energy to the charge-discharge assembly 6 through a relevant circuit to store or use the electric energy through the small photovoltaic plate, and the working circuit is shown in fig. 7, wherein Rg is a photoresistor, R1 is a bias resistor 1, C is a delay capacitor, R2 is a bias resistor 2, VT1 is a triode, VT2 is a triode, R is a variable resistor, K is a circuit switch, and Q is a diode.
White glass 14, filter glass 15, LCD liquid crystal shading layer are through bonding seamless laminating together to form goggles subassembly 3 to embedded on face guard main part 1, use with light sensor 4, light micro-control assembly 7 combination, possess self-adaptation function, this function mainly shows: the goggles assembly 3 can be adaptively changed according to the intensity of ambient light, so that the light passing through the goggles assembly 3 is suitable for human eyes to watch.
The working principle is as follows: the light sensor 4 sends a signal to the light micro-control assembly 7 after recognizing the ambient light, the light micro-control assembly 7 judges whether the current light brightness intensity reaches or exceeds a set value, and when the ambient light is weaker, the light micro-control assembly judges that the ambient light does not reach the set value, so that no action is performed; when the ambient light is strong, for example, when welding arc striking or welding operation is performed, the light micro-control component 7 judges that the ambient light reaches or exceeds a set value, so that a shading signal is immediately sent to the goggles component 7, the LCD liquid crystal shading layer 16 immediately changes into a shading state after receiving the signal, so that strong light is shaded, and only light suitable for human eye observation operation is left to pass.
The schematic diagram of the LCD liquid crystal mask is shown in fig. 6, and includes 2 liquid crystal masks 16, each of which includes 2 glass substrates 19 coated with a polarizing plate, a liquid crystal layer 20 between the 2 glass substrates 19 coated with a polarizing plate, and a conductive paste frame 21. In fig. 6, the number of liquid crystal light shielding plates 16 in the LCD liquid crystal light shielding layer is 2, and the number of layers is 2-4.
In one example, the visor further comprises a fastening screw 10 for fastening the visor to the helmet.
In one example, the light micro-control assembly is further provided with a shade adjustment knob 11 for manually adjusting the shade of the visor assembly 3.
In one example, a power switch 12 is also provided on the light microcontroller assembly.
And specific implementation is carried out. As shown in fig. 8, the helmet brim is clamped into the helmet limit groove 2 of the protective mask, the adjusting hanger holds the helmet, as shown in fig. 9, then the fastening screw 10 as shown in fig. 10 is screwed down, at this time, the device is installed, and the installed protective mask is shown in fig. 11.
The foregoing detailed description of the invention has been presented for purposes of illustration and description, and it should be understood that the invention is not limited to the particular embodiments disclosed, but is intended to cover all modifications, equivalents, alternatives, and improvements within the spirit and principles of the invention.
Claims (3)
1. The utility model provides a protective mask, its characterized in that installs on the safety helmet, includes curved face guard main part and installs other subassemblies on the face guard main part, the face guard main part is first predetermined area, second predetermined area, third area from the top down in proper order including 3 predetermined areas of mutual exclusion at least, other subassemblies include at least:
the safety helmet limiting groove is positioned in the first preset area and used for limiting the safety helmet;
the 2 hanging frames are connected with two ends of the upper edge of the mask main body through hinges and used for fixing the protective mask on the safety helmet;
2 light sensors embedded in a third preset area for sensing the intensity of ambient light and transmitting light signals back to the light micro-control assembly;
the light micro-control assembly is arranged on the 1 hanger and is used for determining whether to send an electric signal for adjusting the shading degree to the goggles assembly according to the light signal from the light sensor;
the goggles component is embedded in a second preset area on the mask main body and sequentially comprises white glass, filter glass and an LCD (liquid crystal display) shading layer from outside to inside, wherein the LCD liquid crystal shading layer is used for adjusting shading degree according to an electric signal;
the cable is used for connecting the light sensor, the light micro-control assembly and the goggles assembly;
the 2 hangers are divided into a first hanger and a second hanger, the first hanger is a hanger provided with the light micro-control component, the mask main body further comprises a fourth preset area positioned below the third preset area, the protective mask further comprises an arc light and environment light recycling component and a charging and discharging component, the charging and discharging component is arranged on the second hanger, the arc light and environment light recycling component is embedded in the fourth preset area, and the arc light and environment light recycling component is connected with the charging and discharging component through a cable;
the LCD liquid crystal shading layer comprises at least 2 layers of liquid crystal shading plates, wherein each layer of liquid crystal shading plate comprises 2 layers of glass substrates covered with polaroids and a liquid crystal layer positioned between the 2 layers of glass substrates covered with the polaroids;
the arc light and ambient light recycling assembly comprises at least one photovoltaic panel;
the light micro-control component is used for determining whether to send an electric signal for adjusting the shading degree to the goggles component according to the light signal from the light sensor, and specifically comprises the following steps: the light micro-control component judges whether the light signal is larger than or equal to a set value,
responding to the light signal reaching or exceeding a set value, the light micro-control component sends an electric signal for adjusting the shading degree to the goggles component so as to change the goggles component into a shading state;
the protective mask further comprises a fastening screw for fastening the device to the helmet;
the safety helmet brim is clamped into the safety helmet limiting groove of the protective mask, then the hanging frame is hinged to rotate until the hanging frame holds the safety helmet, and the fastening screw is screwed down to adapt to the safety helmets of different types and sizes, so that the detachable function is realized.
2. The protective mask of claim 1 wherein the light microcontroller assembly is further provided with a shade adjustment knob for manually adjusting the shade of the visor assembly.
3. The protective mask of claim 1 wherein the light microcontroller assembly is further provided with a power switch.
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 CN108938193A (en) | 2018-12-07 |
| CN108938193B true 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) |
Families Citing this family (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 |
| KR102304918B1 (en) * | 2019-09-20 | 2021-09-27 | 주식회사 오토스윙 | Welding protector with photo functional layer and Pannel control technology |
Citations (13)
| 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 protection 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9841603B2 (en) * | 2015-02-24 | 2017-12-12 | Kopin Corporation | Electronic eyewear viewing device |
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2018
- 2018-10-12 CN CN201811188537.XA patent/CN108938193B/en active Active
Patent Citations (13)
| 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 protection 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108938193A (en) | 2018-12-07 |
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