CN210698540U - Low-temperature protective mask - Google Patents
Low-temperature protective mask Download PDFInfo
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- CN210698540U CN210698540U CN201822234581.1U CN201822234581U CN210698540U CN 210698540 U CN210698540 U CN 210698540U CN 201822234581 U CN201822234581 U CN 201822234581U CN 210698540 U CN210698540 U CN 210698540U
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- mask
- hood
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- circuit board
- control circuit
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Abstract
The utility model discloses a low-temperature protective mask, which comprises a hood and a mask, wherein the mask is connected with the front edge of the hood; install control circuit board and battery in the hood, install a plurality of gas induction probe on the different positions on the surface of hood, the light is installed to the dead ahead portion of the surface of hood, still install alarm buzzer in the hood, battery, gas induction probe, light and alarm buzzer electrical connection control circuit board. The utility model has simple structure and convenient use; the gas monitoring and alarming device has the functions of gas monitoring and alarming, and effectively reminds an operator to achieve the protection effect; the red light lamp with strong penetrating fog is used as the illuminating lamp, so that the operation of an operator is facilitated.
Description
Technical Field
The utility model relates to a protective tool, in particular to a low-temperature protective mask.
Background
Production and transportation operation of biological medicine preparation often need work under low temperature environment, generally all need take protective mask to protect the operator, avoid appearing low temperature liquid sputtering, cause personnel's injury, guarantee the security of work. In the case of a low-temperature liquid such as liquid nitrogen, which is gasified and then suffocates a person, there is a risk that the person may be suffocated if the person is left in the environment for a long time, but general protective equipment does not have a function of detecting the gas concentration.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a low temperature protective face mask, it possesses gaseous detection and alarming function, reminds the operator to work under safe environment.
The utility model provides an adopted technical scheme of its technical problem does: a low-temperature protective mask comprises a hood and a face mask, wherein the face mask is connected to the front edge of the hood; install control circuit board and battery in the hood, install the gaseous inductive probe of a plurality of on the different positions on the surface of hood, the light is installed to the dead ahead portion of the surface of hood, still install alarm buzzer in the hood, battery, gaseous inductive probe, light and alarm buzzer electrical connection control circuit board, during the operation, oxygen concentration in the gaseous inductive probe automated detection air, when oxygen concentration is less than certain numerical value in the air, control circuit board can instruct alarm buzzer to send alarm signal and remind the operator.
The mask is a colorless transparent polyimide film, can resist extremely low temperature and cannot be brittle in liquid helium at the temperature of-269 ℃.
The face guard can be detachably fixed on the head guard through the pin, and is convenient to detach and clean.
The helmet comprises an outer cover and an inner cover, wherein the gas sensing probe, the illuminating lamp and the helmet are installed on the outer cover, the control circuit board, the alarm buzzer and the battery are arranged in an interlayer between the outer cover and the inner cover, the inner cover is rotatably sleeved in the outer cover, an opening of the inner cover is oval, the inner cover is provided with an adjusting knob for fixing the position of the inner cover, and the size of a transverse opening in the adjustable helmet can be adjusted to meet the size of the heads of different people. Wherein, the inner surface of the inner cover is also provided with a layer of protection pad for protecting the head of a person.
The illuminating lamp adopts a red light (Led) lamp, and can penetrate fog to achieve the effect of convenient operation. The battery adopts chargeable lithium cell, seted up on the hood and connected control circuit board's charging socket.
The utility model has the advantages that: the structure is simple, and the use is convenient and safe; the gas monitoring and alarming device has the functions of gas monitoring and alarming, and effectively reminds an operator to achieve the protection effect; the red light lamp with strong penetrating fog is used as the illuminating lamp, so that the operation of an operator is facilitated.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic block diagram of the circuit of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in figure 1, the low-temperature protective mask comprises a hood and a mask 2, wherein the mask 2 is movably connected to the front edge of the hood; install control circuit board 4 and battery in the hood, install the gaseous inductive probe 3 of a plurality of on the different positions on the surface of hood, light 5 is installed to the dead ahead portion of the surface of hood, still be equipped with the switch of control light on the hood, still install alarm buzzer 6 in the hood, as shown in fig. 2, battery, switch, gaseous inductive probe 3, light 5 and alarm buzzer 6 electrical connection control circuit board 4 is by signal control light 5 and alarm buzzer 6 that control circuit board detected according to gaseous inductive probe 3.
The mask 2 is a colorless transparent polyimide film, can resist extremely low temperature and cannot be brittle in liquid helium at the temperature of-269 ℃. The face mask 2 is detachably fixed on the head mask through pins, and is convenient to detach and clean.
The hood includes dustcoat 11 and inner cover 12, gaseous inductive probe 3, light 5 and face guard 2 install in on the dustcoat 11, control circuit board 4, alarm buzzer 6 and battery are arranged in the intermediate layer between dustcoat 11 and the inner cover 12, the rotatable cover of inner cover 12 is located in the dustcoat 11, the inner cover 12 opening is oval, be equipped with fixedly on the inner cover 12 the adjust knob 13 of inner cover 12 position, the horizontal opening size in the adjustable hood 12 is in order to accord with different people's head size. Wherein, the inner surface of the inner cover 12 is also provided with a layer of protection pad for protecting the head of a person. The interlayer between the outer cover 11 and the inner cover 12 is filled with a buffer layer for buffering the outer cover 11 when being hit by a heavy impact, thereby effectively protecting the safety of users.
The illuminating lamp 5 adopts a red light (Led) lamp, and can penetrate fog to achieve the effect of convenient operation. The battery adopts chargeable lithium cell, seted up on the hood and connected control circuit board's charging socket. The gas induction probe 3 is a gas sensor.
The above mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention should not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the description of the present invention are still included in the scope covered by the present invention.
Claims (7)
1. A low-temperature protective mask is characterized by comprising a hood and a face mask, wherein the face mask is connected to the front edge of the hood; install control circuit board and battery in the hood, install a plurality of gas induction probe on the different positions on the surface of hood, the light is installed to the dead ahead portion of the surface of hood, still install alarm buzzer in the hood, battery, gas induction probe, light and alarm buzzer electrical connection control circuit board.
2. The shield according to claim 1, wherein said shield is a colorless transparent polyimide film.
3. A low temperature protective mask according to claim 1 or 2, wherein said mask is removably secured to said hood by pins.
4. The low-temperature protective mask as claimed in claim 1, wherein the mask includes an outer mask and an inner mask, the gas sensor, the lamp and the mask are mounted on the outer mask, the control circuit board, the alarm buzzer and the battery are disposed in an interlayer between the outer mask and the inner mask, the inner mask is rotatably sleeved in the outer mask, an opening of the inner mask is elliptical, and the inner mask is provided with an adjusting knob for fixing the position of the inner mask.
5. The shield as claimed in claim 4, wherein a protective pad is further provided on the inner surface of the inner shield.
6. A cold protection mask according to claim 1, wherein said illumination lamp is a red light lamp.
7. The low temperature protective mask according to claim 1, wherein the battery is a rechargeable lithium battery, and the hood is provided with a charging socket for connecting the control circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822234581.1U CN210698540U (en) | 2018-12-28 | 2018-12-28 | Low-temperature protective mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822234581.1U CN210698540U (en) | 2018-12-28 | 2018-12-28 | Low-temperature protective mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210698540U true CN210698540U (en) | 2020-06-09 |
Family
ID=70922372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822234581.1U Active CN210698540U (en) | 2018-12-28 | 2018-12-28 | Low-temperature protective mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210698540U (en) |
-
2018
- 2018-12-28 CN CN201822234581.1U patent/CN210698540U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 510300 unit 403a, 4th floor, production area, No.1, helix 4th Road, International Biological Island, Huangpu District, Guangzhou City, Guangdong Province Patentee after: GUANGZHOU KOHEALA BIOTECHNOLOGY Co.,Ltd. Address before: 510000 First Floor, No. 339-29 Hengjiang Road, Conghua Suburb Street, Guangzhou, Guangdong Province Patentee before: GUANGZHOU KOHEALA BIOTECHNOLOGY Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |