KR20210094274A - Gas mask - Google Patents

Gas mask Download PDF

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Publication number
KR20210094274A
KR20210094274A KR1020200007828A KR20200007828A KR20210094274A KR 20210094274 A KR20210094274 A KR 20210094274A KR 1020200007828 A KR1020200007828 A KR 1020200007828A KR 20200007828 A KR20200007828 A KR 20200007828A KR 20210094274 A KR20210094274 A KR 20210094274A
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South Korea
Prior art keywords
viewing window
electricity
speaker
contact body
wearer
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KR1020200007828A
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Korean (ko)
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KR102488675B1 (en
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김경태
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김경태
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Priority to KR1020200007828A priority Critical patent/KR102488675B1/en
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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/04—Gas helmets
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/02—Filters for breathing-protection purposes for respirators
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B9/00—Component parts for respiratory or breathing apparatus
    • A62B9/003—Means for influencing the temperature or humidity of the breathing gas
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B9/00—Component parts for respiratory or breathing apparatus
    • A62B9/006—Indicators or warning devices, e.g. of low pressure, contamination
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0414—Arrangement of electric circuit elements in or on lighting devices the elements being switches specially adapted to be used with portable lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/0064—Health, life-saving or fire-fighting equipment
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Child & Adolescent Psychology (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

The present invention relates to a gas mask worn on the head of a human body. According to the present invention, a heating wire is built in an inside of a viewing window. A contact body which is tightly sealed to the face of the human body is installed on an edge of the viewing window. A band for adhering to the head is installed on the contact body. A purification tank for purifying the air is installed on a lower side of the viewing window. A flash to illuminate a front when electricity is applied is installed on an upper side of the viewing window. A speaker that generates a sound when electricity is applied is installed in the viewing window or the contact body. A battery that generates electricity is installed in one of the viewing window, the contact body, and the band. A controller which applies electricity from the battery to the flash and the heating wire and generates a sound to the speaker is installed in the viewing window or the contact body. A switch for turning on/off the controller is installed in one of the viewing window, the contact body, and the band. The controller comprises a timer and a radio transmitter. Therefore, the present invention can prevent fogging of the viewing window because the heating wire is built in the viewing window. By applying electricity to the flash, the wearer's field of vision can be secured even in the dark. It not only generates a sound through the speaker to inform the wearer's short-distance location, but also generates radio waves with a wireless transmitter to smoothly inform the wearer's remote location where the speaker's sound does not reach.

Description

방독면{GAS MASK}gas mask {GAS MASK}

본 발명은 유독가스로부터 인체를 보호하기 위한 방독면에 관한 것으로서, 더욱 상세하게는 착용자의 위치와 필터의 교체 시기 등을 알릴 수 있도록 하는 다양한 기능을 가진 방독면에 관한 것이다.The present invention relates to a gas mask for protecting the human body from toxic gas, and more particularly, to a gas mask having various functions to inform the wearer's location and filter replacement time.

방독면은 군대의 화생방 등에 사용되고 있으며, 현재에는 화재 발생시 유독 가스로부터 인체를 보호하기 위하여 많이 사용되거나 소방관 등과 같이 유해 환경에서 근무하는 근무자에 의해 사용된다.Gas masks are used in the military's chemical and biological control systems, and currently, they are often used to protect the human body from toxic gases in case of fire or are used by workers working in hazardous environments such as firefighters.

일반적으로 종래의 방독면은 유독가스 및 유해물질 등에 의해 오염된 지역에서 착용자가 불편함 없이 호흡할 수 있도록 도움을 주는 역할을 하는 것으로, 안면부에 밀착되는 마스크와, 이 마스크의 상부에 설치되어 시계를 확보할 수 있도록 한 투시창과, 마스크 내로 흡입되는 공기를 정화시키는 정화통을 구비하고 있다.In general, the conventional gas mask serves to help the wearer breathe without discomfort in an area polluted by toxic gases and harmful substances. It is equipped with a viewing window that can be secured, and a purifier that purifies the air sucked into the mask.

즉 종래에는 특허 출원 제10-2011-0013428호와 제10-2016-0145483호, 제10-2017-0117549호 등과 같이 출원된 기술이 많이 있으나, 보다 다양한 기능을 가진 방독면이 없었다.That is, in the prior art, there are many technologies applied for, such as Patent Application Nos. 10-2011-0013428, 10-2016-0145483, and 10-2017-0117549, but there was no gas mask with more various functions.

본 발명은 상기와 같은 종래 기술의 문제점을 해결하기 위하여 발명된 것으로서, 본 발명의 목적은 김서림 방지 기능과 후레쉬 기능을 구비함과 아울러 착용자의 위치와 필터의 교체 시기 등을 알릴 수 있는 다양한 기능을 가진 방독면을 제공하는 데 있다.The present invention was invented in order to solve the problems of the prior art as described above, and an object of the present invention is to provide an anti-fogging function and a fresh function, as well as various functions that can notify the wearer's location and filter replacement time. It is to provide a gas mask with

상기와 같은 목적을 달성하기 위하여, 본 발명은 인체의 머리에 착용하는 방독면에 있어서, 투시창의 내부에 열선을 내장하고, 인체의 얼굴에 밀착 밀봉되는 밀착체가 상기 투시창의 가장자리부에 설치되고, 머리에 밀착하기 위한 밴드가 상기 밀착체에 설치되고, 공기를 정화하는 정화통이 상기 투시창의 하측에 설치되고, 전기가 인가되면 앞쪽을 밝히는 후레쉬가 상기 투시창의 상측에 설치되고, 전기가 인가되면 소리를 발생하는 스피커가 투시창 또는 밀착체에 설치되고, 전기를 발생하는 배터리가 투시창과 밀착체, 밴드 중의 하나에 설치되고, 상기 배터리의 전기를 후레쉬와 열선에 인가함과 아울러 스피커에 소리를 발생하게 하는 제어기가 투시창 또는 밀착체에 설치되며, 상기 제어기를 온/오프하는 스위치가 투시창과 밀착체, 밴드 중의 하나에 설치되는 것으로 이루어지는 방독면을 제공한다.In order to achieve the above object, the present invention, in the gas mask worn on the head of the human body, a heat wire is built in the inside of the viewing window, and an adhesive body that is tightly sealed to the face of the human body is installed at the edge of the viewing window, the head A band for adhering to the contact body is installed on the contact body, a purification tank for purifying air is installed on the lower side of the sight window, and when electricity is applied, a flash to illuminate the front is installed on the upper side of the sight window, and when electricity is applied, a sound is emitted. The generating speaker is installed in the sight window or the contact body, the battery that generates electricity is installed in one of the sight window, the contact body, and the band, and the electricity of the battery is applied to the flash and the heating wire to generate a sound in the speaker It provides a gas mask consisting of a controller is installed in the sight window or the contact body, the switch for turning on / off the controller is installed in one of the sight window and the contact body, the band.

더우기 상기 제어기에는 타이머를 구비하여 필터의 교체 시기를 스피커를 통하여 알릴 뿐만 아니라 무선송신기를 구비하여 원거리의 외부에 현재 위치를 전송하는 것을 포함하여 이루어진다.Furthermore, the controller has a timer to notify the filter replacement time through a speaker, and includes a wireless transmitter to transmit the current location to a remote location.

상기 스위치는 착용자의 얼굴에 밀착체가 밀착될 때, 온(on)되는 위치에 설치되는 것을 특징으로 한다.The switch is characterized in that it is installed in an on position when the contact body is in close contact with the wearer's face.

이와 같이 이루어지는 본 발명에 의한 방독면은 투시창에 열선이 내장되어 있으므로 투시창의 김서림을 방지할 수 있고, 후레쉬에 전기를 인가하여 어두운 곳에서도 착용자의 시야를 확보할 수 있고, 스피커를 통하여 소리를 발생하여 착용자의 근거리 위치를 알릴 뿐만 아니라 무선송신기로 전파를 발생하여 스피커의 소리가 미치지 않는 착용자의 원거리 위치를 원활하게 알릴 수 있다는 이점이 있다. Since the gas mask according to the present invention made in this way has a built-in heating wire in the sight window, it is possible to prevent fogging of the sight window, and by applying electricity to the flash, it is possible to secure the wearer's view even in a dark place, and to generate a sound through the speaker. There is an advantage of not only notifying the wearer's short-distance location, but also generating radio waves with a wireless transmitter to smoothly inform the wearer's remote location where the sound of the speaker does not reach.

또한 타이머의 작동으로 정화통 내의 필터의 교체시기를 알려서 필터를 교체하도록 함으로써, 착용자를 유독 가스로부터 보다 원활하게 보호할 수 있는 것이다.In addition, by notifying the replacement time of the filter in the purification tank by the operation of the timer to replace the filter, it is possible to more smoothly protect the wearer from the toxic gas.

도 1은 본 발명에 의한 방독면의 측단면도이다.
도 2는 본 발명에 의한 방독면의 구성도이다.
도 3은 본 발명에 의한 방독면의 작용을 설명하기 위한 블록도이다.1 is a side cross-sectional view of a gas mask according to the present invention.
2 is a block diagram of a gas mask according to the present invention.
Figure 3 is a block diagram for explaining the action of the gas mask according to the present invention.

이하 본 발명의 바람직한 실시예를 첨부한 도면에 의거하여 더욱 상세하게 설명한다.Hereinafter, a preferred embodiment of the present invention will be described in more detail based on the accompanying drawings.

도 1 내지 도 3은 본 발명에 의한 방독면을 나타내는 도면으로서, 상기 방독면의 주기능은 종래와 마찬가지로 인체의 머리에 착용하여 투시창(1)에 설치된 정화통(2)을 이용하여 호흡하도록 하여 외부의 유독 가스로부터 착용자의 인체를 보호하는 것이다.1 to 3 are views showing a gas mask according to the present invention, and the main function of the gas mask is to breathe using the purification tank 2 installed in the sight glass 1 by wearing it on the head of the human body as in the prior art, so that the external poison It protects the wearer's body from gas.

그리고 본 발명에서는 투시창의 김서림 방지 기능, 후레쉬 기능, 착용자의 위치 확인 기능, 정화통 내의 필터의 교체 시기 알림 기능을 갖추고 있다.And in the present invention, it is equipped with an anti-fogging function of the viewing window, a fresh function, a function to check the wearer's position, and a function to notify the replacement time of the filter in the purification tank.

즉 상기 투시창(1)에는 열선(1a)이 내장되고 있고, 인체의 얼굴에 밀착 밀봉되는 밀착체(3)가 상기 투시창(1)의 가장자리부에 설치되고, 머리에 밀착하기 위한 밴드(4)가 상기 밀착체(3)에 설치된다.That is, the see-through window 1 has a built-in heating wire 1a, and a contact body 3 that is closely sealed to the face of the human body is installed at the edge of the sight glass 1, and a band 4 for adhering to the head. is installed on the adhesive body (3).

공기를 정화하는 정화통(2)이 상기 투시창(1)의 하측에 설치되는 것이 바람작하며, 상기 투시창(1)의 상측에는 후레쉬(5)가 설치되어 전기가 인가되면 앞쪽을 밝히게 되고, 전기가 인가되면 소리를 발생하는 스피커(6)가 투시창(1) 또는 밀착체(3)에 설치된다.It is preferable that a purification tank 2 for purifying the air is installed on the lower side of the sight window 1, and a flash 5 is installed on the upper side of the sight window 1 to illuminate the front when electricity is applied. When applied, a speaker 6 that generates a sound is installed in the see-through window 1 or the contact body 3 .

전기가 저장되는 배터리(7)가 상기 투시창과 밀착체, 밴드 중의 하나에 설치되는 것이며, 본 실시예에서는 현재 타업체에 개발된 플렉시블 배터리를 밴드에 설치되어 있다.The battery 7 for storing electricity is to be installed in one of the see-through window and the contact body, the band, and in this embodiment, a flexible battery developed by another company is currently installed in the band.

아무튼 본 발명에서는 상기 열선(1a), 후레쉬(5), 스피커(6), 배터리(7)과 연결되는 제어기(8)가 투시창(1) 또는 밀착체(3)에 설치되는 것을 포함하는 바, 상기 제어기(8)는 상기 배터리(7)의 전기를 후레쉬(1a)와 열선(5)에 인가함과 아울러 스피커(6)에 소리를 발생하게 한다.Anyway, in the present invention, the heating wire (1a), the flash (5), the speaker (6), and the controller (8) connected to the battery (7) is installed in the sight window (1) or the contact body (3), The controller (8) applies electricity from the battery (7) to the flash (1a) and the heating wire (5) and generates a sound in the speaker (6).

그리고 제어기(8)에 인가되는 전기를 단속하기 위한 온/오프 스위치(9)가 투시창(1)과 밀착체(3), 밴드(4) 중의 하나에 설치된다.And an on/off switch 9 for intermitting electricity applied to the controller 8 is installed on one of the sight window 1 and the contact body 3 and the band 4 .

특히 착용자가 방독면을 착용함과 동시에 스위치(9)를 온(on)하는 것이 바람작하므로, 상기 스위치는 착용자의 얼굴에 밀착체가 밀착될 때, 온(on)되는 위치에 설치되는 것을 특징으로 하며, 본 실시예에서는 밀착체(3)의 인체의 이마 부위에 밀착되는 위치에 스위치를 설치하게 된다.In particular, since it is desirable for the wearer to turn on the switch 9 at the same time as wearing the gas mask, the switch is installed in a position where it is turned on when the adhesive body is in close contact with the wearer's face, , In this embodiment, the switch is installed at a position in close contact with the forehead portion of the human body of the contact body 3 .

한편 상기 제어기(8)에는 타이머(8a)를 구비하여 정화통(2) 내의 필터(2a)의 교체 시기를 스피커(6)를 통하여 알리는 구조를 포함하여 통상적으로 30분에 필터의 교체 시기를 알리게 되며, 착용자는 별도로 구비되어 있는 여유 필터를 소지함이 바람직하다.On the other hand, the controller 8 has a timer 8a to inform the replacement time of the filter 2a in the purification tank 2 through the speaker 6, and normally informs the filter replacement time in 30 minutes. , it is preferable that the wearer has a spare filter provided separately.

물론 상기 정화통(2) 내의 필터(2a)를 교체하는 구조는 종래 기술에 많이 있으므로, 상세한 설명을 생략한다.Of course, since there are many structures for replacing the filter 2a in the purification tank 2 in the prior art, a detailed description thereof will be omitted.

그리고 스피커와 후레쉬 기능으로 근거리의 착용자의 위치를 알릴 수 있으나, 시야에서 멀어진 위치 즉 원거리의 착용자 위치를 알릴 필요가 있으므로, 본 발명에서는 상기 제어기(8)에 무선송신기(8b)를 구비하여 원거리의 외부에 착용자의 현재 위치를 전송하는 구조를 포함한다.In addition, the position of the wearer at a short distance can be notified with the speaker and the flash function, but since it is necessary to inform the position of the wearer at a distance from the field of view, in the present invention, a wireless transmitter 8b is provided in the controller 8 to and a structure for transmitting the wearer's current location to the outside.

이와 같이 이루어지는 본 발명에 의한 방독면은 사용자가 착용하면 스위치(9)가 온되거나 스위치(9)를 온하면 제어기(8)가 작동되면서 열선(1a)과 후레쉬(5)에 전기를 인가함과 아울러 스피커(6)가 작동된다.The gas mask according to the present invention made as described above applies electricity to the heating wire 1a and the flash 5 while the switch 9 is turned on when the user wears the switch 9 or the controller 8 is operated when the switch 9 is turned on. The speaker 6 is activated.

그리고 제어기(8)에 내장된 타이머(8a)가 작동됨과 아울러 무선송신기(8b)가 작동하게 한다.And the timer (8a) built into the controller (8) is operated and the wireless transmitter (8b) is operated.

그러면 열선(1a)에 인가되는 전기에 의해 열선이 발열하면서 투시창(1)의 김서림을 방지하게 되고, 후레쉬(5)에 인가되는 전기에 의해 착용자의 앞쪽을 밝히게 된다.Then, as the heating wire is heated by the electricity applied to the heating wire (1a), fogging of the see-through window (1) is prevented, and the front of the wearer is illuminated by the electricity applied to the flash (5).

그리고 스피커(6)에서 발생되는 소리가 외부의 소방관 등에게 알려서 착용자의 근거리 위치를 알리게 될 뿐만 아니라 무선송신기(8b)의 작동으로 착용자의 위치를 원거리에서 찾을 수 있는 것이다.And the sound generated by the speaker 6 not only informs an external firefighter, etc., of the wearer's short-distance location, but also enables the wearer's location to be found from a distance by the operation of the wireless transmitter 8b.

착용자가 유독 가스 환경에서 통상 30분 머무르게 되면 타이머가 30분 경과후에 제어기(8)를 통하여 스피커(6)로 정화통(2) 내의 필터 교체 시기를 알려서 착용자에게 필터를 교체하도록 한다.If the wearer normally stays in the toxic gas environment for 30 minutes, the timer informs the filter replacement time in the purification tank 2 to the speaker 6 through the controller 8 after the timer has elapsed for 30 minutes so that the wearer replaces the filter.

이렇게 본 발명에서는 투시창의 김서림 방지 기능과 착용작의 앞쪽 조명 기능을 갖추고 있고, 착용자의 위치와 필터의 교체 시기 등을 알려서 보다 안전하게 구호되도록 하는 것이다.In this way, in the present invention, the anti-fogging function of the viewing window and the front lighting function of the wearer are provided, and the wearer's position and the filter replacement time are informed to provide relief more safely.

1 : 투시창 1a : 열선
2 : 정화통 3 : 밀착체
4 : 밴드 5 : 후레쉬
6 : 스피커 7 ; 배터리
8 : 제어기 8a : 타이머
8b : 무선송신기 9 : 스위치1: sight window 1a: heated wire
2: Purification tank 3: Adhesive body
4: Band 5: Fresh
6: speaker 7 ; battery
8: controller 8a: timer
8b: wireless transmitter 9: switch

Claims (3)

인체의 머리에 착용하는 방독면에 있어서,
투시창의 내부에 열선을 내장하고, 인체의 얼굴에 밀착 밀봉되는 밀착체가 상기 투시창의 가장자리부에 설치되고, 머리에 밀착하기 위한 밴드가 상기 밀착체에 설치되고, 공기를 정화하는 정화통이 상기 투시창의 하측에 설치되고, 전기가 인가되면 앞쪽을 밝히는 후레쉬가 상기 투시창의 상측에 설치되고, 전기가 인가되면 소리를 발생하는 스피커가 투시창 또는 밀착체에 설치되고, 전기를 발생하는 배터리가 투시창과 밀착체, 밴드 중의 하나에 설치되고, 상기 배터리의 전기를 후레쉬와 열선에 인가함과 아울러 스피커에 소리를 발생하게 하는 제어기가 투시창 또는 밀착체에 설치되며, 상기 제어기를 온/오프하는 스위치가 투시창과 밀착체, 밴드 중의 하나에 설치되는 것으로 이루어지는 방독면.In the gas mask worn on the head of the human body,
A heating wire is built in the inside of the viewing window, and an adhesive body that is tightly sealed to the face of the human body is installed on the edge of the viewing window, a band for adhering to the head is installed on the adhesive body, and a purification container for purifying air is installed in the viewing window. Installed on the lower side, when electricity is applied, a flash that illuminates the front is installed on the upper side of the sight window, a speaker that generates sound when electricity is applied is installed in the sight window or the contact body, and the battery generating electricity is installed in the sight window and the contact body , is installed in one of the bands, a controller that applies electricity from the battery to the flash and the heating wire and generates a sound in the speaker is installed in the sight window or the contact body, and the switch for turning on/off the controller is in close contact with the sight window A gas mask that is installed on one of the sieve and the band. 제1항에 있어서,
상기 제어기에는 타이머를 구비하여 필터의 교체 시기를 스피커를 통하여 알릴 뿐만 아니라 무선송신기를 구비하여 원거리의 외부에 현재 위치를 전송하는 것을 포함하여 이루어지는 방독면.According to claim 1,
The controller includes a timer and not only notifies the filter replacement time through a speaker, but also includes a wireless transmitter to transmit the current location to a remote location. 제1항에 있어서,
상기 스위치는 착용자의 얼굴에 밀착체가 밀착될 때, 온(on)되는 위치에 설치되는 것을 특징으로 하는 방독면.According to claim 1,
The switch is a gas mask, characterized in that it is installed in a position that is turned on when the contact body is in close contact with the wearer's face.
KR1020200007828A 2020-01-21 2020-01-21 Gas mask KR102488675B1 (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101369652B1 (en) * 2012-12-17 2014-03-03 박영미 Transparent window for mask
KR20170114676A (en) * 2016-04-06 2017-10-16 김승현 Gas mask
KR20170138865A (en) * 2016-06-08 2017-12-18 조규만 The air(oxygen) inside mask is stored and AIR MASK for automatically supplying the air
JP2019501721A (en) * 2015-12-29 2019-01-24 ヒョン ハン，ガ Hazardous substance blocking health mask using air curtain
KR102064685B1 (en) * 2018-11-16 2020-02-11 이화여자대학교 산학협력단 Briefs with heating function

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101369652B1 (en) * 2012-12-17 2014-03-03 박영미 Transparent window for mask
JP2019501721A (en) * 2015-12-29 2019-01-24 ヒョン ハン，ガ Hazardous substance blocking health mask using air curtain
KR20170114676A (en) * 2016-04-06 2017-10-16 김승현 Gas mask
KR20170138865A (en) * 2016-06-08 2017-12-18 조규만 The air(oxygen) inside mask is stored and AIR MASK for automatically supplying the air
KR102064685B1 (en) * 2018-11-16 2020-02-11 이화여자대학교 산학협력단 Briefs with heating function

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