CN112426640A - Breathing mask for plateau emergency rescue - Google Patents
Breathing mask for plateau emergency rescue Download PDFInfo
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- CN112426640A CN112426640A CN202011470713.6A CN202011470713A CN112426640A CN 112426640 A CN112426640 A CN 112426640A CN 202011470713 A CN202011470713 A CN 202011470713A CN 112426640 A CN112426640 A CN 112426640A
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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
- A62B18/02—Masks
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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
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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
- A62B18/084—Means for fastening gas-masks to heads or helmets
-
- 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
- A62B18/10—Valves
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- 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
- A62B23/025—Filters for breathing-protection purposes for respirators the filter having substantially the shape of a mask
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Pulmonology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Zoology (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a respiratory mask for plateau emergency rescue, and belongs to the field of masks. Comprises a body, an air exhaling component, an air inhaling component and a control unit. The air exhalation assembly comprises an air outlet and an air outlet valve, the air inhalation assembly comprises an inhalation valve, an air inlet, a fan and a filter, the fan and the inhalation valve are sequentially arranged at the air inlet according to the wind direction, and the shell of the fan is provided with an expansion interface used for connecting the filter and/or externally connecting oxygen. The mask can sense the pressure in the mask in real time through the setting of the microcontroller and the sensor, and automatically adjust the rotating speed of the fan, so that the mask is more suitable for human breathing, and particularly meets the large demand on air in plateau environment. Add expansion interface on fan shell, can external filter or oxygen interface, can filtered air, carry out the transport of oxygen simultaneously, can make the mouth nose homoenergetic breathe, be suitable for the rare oxygen environment of plateau and the condition of emergency rescue.
Description
Technical Field
The invention relates to a mask, in particular to a breathing mask for plateau emergency rescue.
Background
The mask is worn to protect the respiratory organs or bronchi from toxic substances in the atmosphere. In special situations, such as emergency rescue in plateau or fire, and particularly in situations where the patient cannot breathe spontaneously, the mask needs to supply oxygen or fresh air to the patient in order to provide normal breathing, in addition to preventing harmful substances in the air from entering the respiratory tract from the oral cavity and nasal cavity.
Publication No. CN106102839A discloses a mask mainly comprising a body, an air purifier and a control unit. The air purifier comprises a filtering unit, an air inlet, an air outlet, a blowing fan and a regulating unit for regulating the rotating speed of the blowing fan, wherein the blowing fan is mainly used for regulating the air flow. Wherein the control unit mainly comprises a vibration sensor or an air quantity sensor, and the vibration sensor mainly senses the vibration of the mask; and the air quantity sensor mainly senses the air quantity of the outside air. The primary function of the mask is also to filter the air. The technology only adopts a vibration sensor or an air quantity sensor, has obvious lag, cannot reflect the breathing condition of a wearer in time, and cannot accurately adjust.
Publication No. CN105582624A discloses an odor-suppressing mask mainly comprising a mask (main body), an air inlet valve assembly and an air outlet valve assembly, wherein an odor-suppressing filter is added to the air outlet valve assembly, mainly to prevent the outflow of user's odor.
Publication No. CN110507018A discloses a mask including a face contact portion, an air inflow portion (a suction port), a connector, and a filter cartridge in which a filter member is provided. The technical scheme of the mask mainly provides the mask with the filtering function.
In summary, the existing mask mainly achieves the purpose of filtering air through an air inlet, an air outlet and a filter. The plateau air pressure is low, the oxygen content is insufficient, and a series of adverse reactions are easily caused by oxygen deficiency after entering the plateau from the plain. While the first-aid oxygen supply mainly adopts passive respiration and takes oxygen in the environment, such as nasal obstruction oxygen supply, high-pressure oxygen therapy and mask oxygen supply. The oxygen mask mainly applies oxygen to the mouth and nose through a pipeline, and a pressure pump is needed to increase pressure under the condition that the oxygen needs to be pressurized, so that the breathing of a wearer is promoted. Therefore, the existing filtering face mask and the oxygen face mask are both single-purpose face masks, the application range is limited greatly, and the air or oxygen pressure can not be monitored in real time and adjusted according to requirements.
Disclosure of Invention
In order to solve the above problems, the present invention provides a mask for plateau and emergency rescue, which can be used for oxygen supply.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a respiratory mask for altitude and emergency rescue applications, comprising:
a body for contacting a face and capable of being worn on the face of a user;
at least one air exhalation assembly mounted on the body, the air exhalation assembly including a gas outlet and an air outlet valve mounted on the gas outlet for exhalation of gas and prevention of inflow of gas; and
at least one air intake assembly mounted on the body; and
a control unit;
wherein the air intake assembly comprises:
a suction valve for sucking gas and preventing the gas from flowing out;
a gas inlet for passage of a gas;
a fan for conditioning air flow;
the air blower and the one-way air suction valve are sequentially arranged at a gas inlet according to the wind direction, a gap formed between fan blades of the air blower is communicated with the gas inlet, a shell is arranged outside the air blower, and an expansion interface used for connecting a filter and/or externally connecting oxygen is arranged on the shell; the filter and/or the external oxygen are/is fixedly connected with the shell through the expansion interface;
wherein the control unit includes:
the breathing control system comprises a microcontroller, a circuit board, an air conditioning unit, a position sensor and a breathing pressure sensor, wherein the microcontroller is in electric signal connection with the position sensor and the breathing pressure sensor and collects breathing intensity and breathing switching time data to obtain the breathing frequency and the breathing ratio of a user; the microcontroller is electrically connected with the fan through a circuit board in a control mode, and the microcontroller calculates the working lead of the fan by using an algorithm so as to obtain the automatic power-on and power-off frequency and the highest rotating speed of the fan;
the breathing pressure sensor is arranged on the inner surface of the body, the position sensor is arranged on the air suction valve, and the air conditioning unit is electrically connected with the fan.
Furthermore, the air outlet valve and the air inlet valve are one-way valves.
Furthermore, the system also comprises a wireless communication module, and the wireless communication module is in wireless communication connection with the microcontroller.
Further, the air conditioning unit comprises a speed regulating switch, and the speed regulating switch is arranged on the outer surface of the body.
Furthermore, the speed regulating switch is used for regulating the rotating speed, the automatic rotating speed and/or the air supply pressure of the fan.
Further, the device also comprises a power supply unit and a switch unit;
the power supply unit is a battery that supplies power to the fan and the control unit;
the switch unit is a power switch for controlling the connection or disconnection of circuits among the battery, the fan and the control unit.
Furthermore, the electric power head further comprises a head band, and two ends of the head band are respectively connected with the power supply unit and the body.
Furthermore, a connecting wire is arranged in the head band and is communicated with the power supply unit, the fan and the control unit to form a circuit for supplying power.
Further, the surface of body is equipped with the pilot lamp that is used for showing face guard operating condition, the pilot lamp is connected with the microcontroller electricity.
Furthermore, a buckle is arranged on the filter, and the filter is clamped with the expansion interface.
The breathing mask for plateau emergency rescue has the advantages that:
(1) through the setting of microcontroller and sensor, can respond to the pressure in the face guard in real time to carry out automatic adjustment to the rotational speed of fan, make it be more suitable for human breathing, especially to the massive demands of air in the plateau environment. Through the comprehensive control and regulation of the microcontroller on the position sensor and the breathing pressure sensor, the problem that the fan control lags behind the breathing rhythm is solved, the breathing comfort requirement of plateau rescued users is met, and the energy consumption can be saved.
(2) Have expansion interface on the fan shell, expansion interface can external filter or oxygen cylinder, can filter ambient air in harmful environment, or the direct access oxygen cylinder oxygen suppliment under the emergency situation, is suitable for the rare oxygen environment of plateau and the condition of emergency rescue better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the present invention;
1 body, 2 air exhaling components, 3 air inhaling components, 4 speed regulating switch, 5 batteries, 6 head belt
201 gas outlet, 202 gas outlet valve;
301 inhalation valve, 302 gas inlet, 303 blower, 304 filter, 305 housing, 306 expansion interface, 307 indicator light.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments and the accompanying drawings.
Example 1
A breathing mask for altitude and emergency rescue, as shown in figures 1 and 2, comprises a body 1, an air exhaling assembly 2, a control unit, a power supply unit, a switch unit and a head band 6;
in the present embodiment, the body 1 is used to contact the face and can be worn on the face of the user; body 1 mainly adopts curved synthetic resin to form, and adopts ergonomic laminating design with facial, and the leakproofness between the face is good, protruding and the mouth nose in the middle of the face guard between form the breathing chamber that holds that the air feed stops.
In this embodiment, the air exhaling assembly 2 is one and is installed at the body 1, and the position of the air exhaling assembly 2 is opposite to the mouth and the nose, so that the air can be exhaled quickly. The air exhalation module 2 includes a gas outlet 201 and an air outlet valve 202 installed on the gas outlet 201, the air outlet valve 202 being used for exhalation of gas and preventing inflow of gas. The air outlet valve 202 is a one-way valve, and air is enabled to flow outwards through exhalation to drive the air outlet valve 202 to be opened; upon inhalation, the external air forces the outlet valve 202 to close by a change in pressure, preventing unfiltered air from entering the mouth and nose through the outlet valve 202.
In this embodiment, two air inhalation assemblies 3 are provided, and the two air inhalation assemblies 3 are mounted on the body 1 and symmetrically arranged on both sides of the air exhalation assembly 2. The air intake assembly 3 primarily introduces air or oxygen. Each air intake assembly 3 comprises a gas inlet 302, an intake valve 301, a fan 303. The air suction valve 301 is a one-way valve, and the air pressure difference caused by air suction increases the external air pressure, reduces the internal air pressure of the mask, enables air to flow in one direction, drives the air suction valve 301 to be opened, and prevents air from flowing out.
The fan 303 is mainly used for adjusting air flow, namely, the concentration of sucked air, and the air flow is larger when the rotating speed of the fan 303 is large; the air flow is relatively small when the fan 303 rotates at a low speed. Through the regulation to the air flow of fan 303, can satisfy different areas and the different breathing condition of wearer.
Each air suction assembly 3 can be additionally provided with a filter 304, the filter 304, a fan 303 and an air suction valve 301 are sequentially arranged at the position of the air inlet 302 according to the wind direction, a gap formed between fan blades of the fan 303 is communicated with the air inlet 302, an outer shell 305 is arranged outside the fan 303, and the outer shell 305 is clamped or screwed on a channel of the air inlet 302. The shell 305 is provided with an expansion interface 306 for connecting the filter 304; the filter 304 is provided with a buckle, and the buckle of the filter 304 is clamped into the expansion interface 306 for fixed connection. The filter 304 is typically a small filter cartridge, such as a 6001 charcoal cartridge +5N11 filter cotton manufactured by 3M, which is effective at protecting against organic gases and vapors, such as benzene and its homologues, acetone, and carbon dioxide. Ether and other harmful gases. Theoretically, the filter can be continuously used for 200 hours, 5N11 filter cotton is used, and the bulge, namely the bulge can be replaced in time when the adsorption is saturated; it is not washable. The quick and convenient change of filter 304 is favorable to the long-term use of face guard, improves the life-span.
In addition, the filter 304 may be other types of filter cartridges, such as a yellow dust filter cartridge for dust, nitrogen oxides, sulfur oxides, etc., or a filter cartridge for sand dust, particulate matter, etc.
In addition, different filter units are added in the filter 304, and the same or different filter layers can be added according to actual conditions, so that the filter 304 achieves different filter functions.
After the air is filtered from the filter 304, the filtered clean air is brought into a containing breathing cavity formed between the mask and the mouth and nose for the air to stay through the operation of the fan 303, and then is breathed by the mouth and nose to enter the human body.
Under the condition that oxygen supply is needed in plateau and emergency rescue, the filter 304 can be directly taken down from the expansion interface 306, and then the oxygen interface with the oxygen bottle is connected into the expansion interface 306 to supply oxygen to the oral cavity and the nasal cavity in the mask, so that the pressure self-adaptive work can be carried out according to the breathing of a user.
In the invention, the microcontroller is the existing control equipment, such as a CPU, a singlechip and the like. The microcontroller is a single-chip microcomputer in which the main part of the microcomputer is integrated on one chip. The system mainly has the functions of instruction, storage, power supply, interruption, signal transmission and the like. The microcontroller type in the present invention is preferably raspberry pi zero wh + or ariloc IoT HaaS 600 kit.
The position sensor is a sensor which can sense the position of a measured object and convert the position into a usable output signal, and is different from a displacement sensor in that the position sensor is a contact type or a proximity type. The type of use is not limited in this embodiment, and mainly the position of the valve plate of the suction valve 301 can be sensed, and the on-off information of the suction valve 301 can be reflected.
In addition, set for two air and inhale subassembly 3, can increase the flow of air, be particularly useful for breathing under plateau oxygen deficiency environment and the emergency condition.
In this embodiment, the control unit includes a microcontroller, a circuit board, an air conditioning unit, a position sensor, and a respiratory pressure sensor.
The microcontroller and the position sensor, which is arranged on the suction valve 301. Through the arrangement of the position sensor, the on-off of the air suction valve 301 can be sensed, so that the microcontroller controls the power supply and the off of the fan 303, and the service life of the power supply unit is prolonged. The position sensor in this application can be a position feedback circuit as long as the switch of the suction valve 301 can be monitored in time through position reaction.
Breathe pressure sensor and set up body 1 internal surface, microcontroller and breathe pressure sensor electricity signal connection, breathe pressure sensor and set up in body 1, main perception holds the atmospheric pressure and the breathing frequency change condition in the respiratory cavity to the rotational speed of automatic adjustment direct current fan 303 in view of the above, thereby improves or reduces air feed pressure.
The circuit board is electrically connected with the fan 303, and a large number of circuits are arranged on the circuit board, so that the on-off or on-off electrical control of the fan 303 can be achieved by controlling the on-off and on-off of the circuit board through the microcontroller.
The air conditioning unit comprises a speed regulating switch 4, and the speed regulating switch 4 is arranged in the middle of the body 1. The air conditioner is electrically connected with the fan 303, and the speed regulating switch 4 is used for regulating the rotating speed, the automatic rotating speed and/or the air supply pressure of the fan 303.
The air conditioning unit may be set in an automatic mode and a manual mode.
In the automatic mode, the speed control switch 4 is used to set an automatic rotation speed of the blower 303 or an automatic air supply pressure setting value. When a user inhales, the breathing pressure and the breathing frequency change condition of the mask are obtained from the breathing pressure sensor according to the microcontroller, and the rotating speed of the direct current fan 303 is automatically adjusted according to the breathing pressure and the breathing frequency change condition, so that the air supply pressure is increased or reduced.
In the manual mode, the rotation speed of the blower 303 can be manually adjusted or the air supply pressure in the automatic operation can be set by the direct speed control switch 4. The air pressure in the mask is more suitable for wearers in different conditions.
In the present embodiment, the power supply unit is a battery 5 that supplies power to the blower 303 and the control unit;
the switch unit is a power switch for controlling the connection or disconnection of the circuit between the battery 5 and the fan 303 and between the battery and the control unit. The battery 5 can be a rechargeable battery or a dry battery, and is convenient to use in different environments.
In this embodiment, the head band 6 is further included, and both ends of the head band 6 are respectively connected with the power supply unit and the body 1. The headband 6 is generally made of a material with elasticity, such as rubber, silicone, etc. The headband 6 is internally provided with a connecting wire which is communicated with the power supply unit, the fan 303 and the control unit and forms a circuit for supplying power. The interior of the headband 6 can be set to be hollow, and the connecting line is provided with a reserved length in the headband 6 and can be extended according to the pulling-up of the headband 6 so as to be suitable for different wearers.
The center of the body 1 is provided with a fixing part with a hole, the fixing part is fixedly connected with the body 1, and the head belt 6 is arranged at four corners of the fixing part. And the hole in the centre of the fixing member is the gas outlet 201. The outlet valve 202 is fixed to the fixing member.
Four head bands 6 are generally arranged along four corners of the fixing piece, so that the head bands 6 are uniformly distributed in four directions, namely up, down, left and right, to facilitate the attachment of the mask on the face.
In this embodiment, the outer side surface of the body 1 is provided with an indicator light 307 for displaying the working state of the mask, and the indicator light 307 is electrically connected with the microcontroller. The microcontroller mainly monitors the working state of the mask, as well as the air pressure and breathing frequency inside the mask. When the battery 5 is abnormal in power, or the breathing frequency of the wearer is abnormal, or the gas pressure in the mask is abnormal, the microcontroller controls the indicator lamp 307 to change the color, so as to remind the user or other people, thereby preventing the occurrence of a crisis condition even if the battery of the mask is replaced or the mask is taken down.
In this embodiment, a wireless communication module is further provided, and the wireless communication module is in wireless communication connection with the microcontroller. The method mainly comprises the step of transmitting a detected air pressure signal and a breathing condition in a microcontroller to a communication center through a wireless communication protocol or Bluetooth so as to carry out remote reminding, alarming and the like.
The working principle of the mask in the embodiment is as follows:
the respiratory pressure sensor, the direct current fan 303, the microcontroller and the circuit board, the air outlet valve 202, the air inlet valve 301 and other components are arranged in the mask, and the battery is externally connected through the head belt 6. Due to the change of air pressure in the mask, when a user inhales, the inhalation valve 301 is opened, and the exhalation valve 202 is closed; during exhalation, the inhalation valve 301 is closed and the exit valve 202 is opened; the position of the air suction valve 301 is fed back to the microcontroller, and when the air suction valve 301 is opened, the microcontroller controls the fan 303 to supply power through the circuit board so as to continuously input clean air or oxygen into the mask; when exhaling, inhalation valve 301 is closed and the position is fed back to the microcontroller, which controls fan 303 to power down through the circuit board, and shuts off fan 303.
Preferably, the breathing control system comprises a microcontroller, a circuit board, an air conditioning unit, a position sensor and a breathing pressure sensor, wherein the microcontroller is in electric signal connection with the position sensor and the breathing pressure sensor and collects breathing intensity and breathing switching time data to obtain the breathing frequency and the breathing ratio of a user; the microcontroller is electrically connected with the fan through the circuit board in a control mode, and the microcontroller calculates accurate work lead of the fan by utilizing an algorithm so as to obtain the automatic power-on and power-off frequency and the highest rotating speed of the fan.
Under the automatic mode, combine position sensor and breathing pressure sensor, obtain user's breathing intensity and breathing and switch over the time data, the controller utilizes algorithm such as fast Fourier transform FFT or cosine method to calculate user's respiratory frequency and breathing than, and then calculate out the fan work lead through PID algorithm, thereby finally calculate out the automatic break-make electricity frequency of fan and the highest rotational speed, solved that fan control lags behind the breathing rhythm, satisfy plateau and rescued user's breathing comfort level requirement, still can the power saving, improve the life of each components and parts in the face guard, prolong stand-by time.
Fast Fourier Transform (Fast Fourier Transform) is one of the most important algorithms in the field of signal processing and data analysis, and can represent a certain function satisfying a certain condition as a trigonometric function (sine and/or cosine function) or a linear combination of their integrals. In different fields of research, fourier transforms have many different variant forms, such as continuous fourier transforms and discrete fourier transforms. And the fast fourier transform algorithm is a conventional algorithm within a computer.
The PID algorithm is a PID controller (also called PID regulator) which controls according to the proportion (P), integral (I) and derivative (D) of the deviation in the process control, and is the most widely used automatic controller. The method has the advantages of simple principle, easy realization, wide application range, mutual independence of control parameters, and simple and quick calculation of increment and position.
In the automatic mode, the speed control switch 4 is used to set an automatic rotation speed of the blower 303 or an automatic air supply pressure setting value. When a user inhales, the breathing pressure and the breathing frequency change condition of the mask are obtained from the breathing pressure sensor according to the microcontroller, and the rotating speed of the direct current fan 303 is automatically adjusted according to the breathing pressure and the breathing frequency change condition, so that the air supply pressure is increased or reduced.
In the manual mode, the rotation speed of the blower 303 can be manually adjusted or the air supply pressure in the automatic operation can be set by the direct speed control switch 4. The air pressure in the mask is more suitable for wearers in different conditions.
The oxygen bottle can be connected through the expansion interface 306 of the mask, and the pressure self-adaptive work can be carried out according to the breath of the user, and the air can be directly sucked out or sucked through the filter 304.
The wireless communication module can transmit the breathing condition of the user to the communication center, and remote reminding, alarming and the like are carried out according to the breathing condition.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the present description should not be construed as a limitation to the present invention.
Claims (10)
1. A respiratory mask for plateau emergency rescue is characterized in that: the method comprises the following steps:
a body for contacting a face and capable of being worn on the face of a user;
at least one air exhalation assembly mounted on the body, the air exhalation assembly including a gas outlet and an air outlet valve mounted on the gas outlet for exhalation of gas and prevention of inflow of gas; and
at least one air intake assembly mounted on the body; and
a control unit;
wherein the air intake assembly comprises:
a suction valve for sucking gas and preventing the gas from flowing out;
a gas inlet for passage of a gas;
a fan for conditioning air flow;
the air blower and the air suction valve are sequentially arranged at an air inlet according to the wind direction, a gap formed between fan blades of the air blower is communicated with the air inlet, a shell is arranged outside the air blower, and an expansion interface used for connecting a filter and/or externally connecting oxygen is arranged on the shell; the filter and/or the external oxygen are/is fixedly connected with the shell through the expansion interface;
wherein the control unit includes:
the breathing control system comprises a microcontroller, a circuit board, an air conditioning unit, a position sensor and a breathing pressure sensor, wherein the microcontroller is in electric signal connection with the position sensor and the breathing pressure sensor and collects breathing intensity and breathing switching time data to obtain the breathing frequency and the breathing ratio of a user; the microcontroller is electrically connected with the fan through a circuit board in a control mode, and the microcontroller calculates the working lead of the fan by using an algorithm so as to obtain the automatic power-on and power-off frequency and the highest rotating speed of the fan;
the breathing pressure sensor is arranged on the inner surface of the body, the position sensor is arranged on the air suction valve, and the air conditioning unit is electrically connected with the fan.
2. The respiratory mask for altitude and emergency rescue applications of claim 1, wherein: the air outlet valve and the air suction valve are one-way valves.
3. The respiratory mask for altitude and emergency rescue applications of claim 1, wherein: the wireless communication module is in wireless communication connection with the microcontroller.
4. The respiratory mask for altitude and emergency rescue applications of claim 3, wherein: the air conditioning unit comprises a speed regulating switch, and the speed regulating switch is arranged on the outer surface of the body.
5. The respiratory mask for altitude and emergency rescue applications of claim 4, wherein: the speed regulating switch is used for regulating the rotating speed, the automatic rotating speed and/or the air supply pressure of the fan.
6. The respiratory mask for altitude and emergency rescue applications of claim 1, wherein: the device also comprises a power supply unit and a switch unit;
the power supply unit is a battery that supplies power to the fan and the control unit;
the switch unit is a power switch for controlling the connection or disconnection of circuits among the battery, the fan and the control unit.
7. The respiratory mask for altitude and emergency rescue applications of claim 6, wherein: the electric power supply device further comprises a head band, and two ends of the head band are respectively connected with the electric power supply unit and the body.
8. The respiratory mask for altitude and emergency rescue applications of claim 7, wherein: the inside of the head band is provided with a connecting wire which is communicated with the power supply unit, the fan and the control unit and forms a circuit for power supply.
9. The respiratory mask for altitude and emergency rescue aids as claimed in any one of claims 1 to 8, wherein: the surface of body is equipped with the pilot lamp that is used for showing face guard operating condition and power state, the pilot lamp is connected with the microcontroller electricity.
10. The respiratory mask for altitude and emergency rescue applications of claim 1, wherein: the filter is provided with a buckle and is clamped with the expansion interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011470713.6A CN112426640A (en) | 2020-12-14 | 2020-12-14 | Breathing mask for plateau emergency rescue |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011470713.6A CN112426640A (en) | 2020-12-14 | 2020-12-14 | Breathing mask for plateau emergency rescue |
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| CN112426640A true CN112426640A (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011470713.6A Pending CN112426640A (en) | 2020-12-14 | 2020-12-14 | Breathing mask for plateau emergency rescue |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113577491A (en) * | 2021-08-30 | 2021-11-02 | 重庆科华安全设备有限责任公司 | Frequency self-adjusting intelligent sunliving device |
| CN114576809A (en) * | 2022-03-07 | 2022-06-03 | 威康(深圳)智能有限公司 | Intelligent air conditioning method and device based on signal transmission of Internet of things |
| WO2022217665A1 (en) * | 2021-04-16 | 2022-10-20 | 杜小曦 | Breathing mask |
| CN115487435A (en) * | 2022-10-08 | 2022-12-20 | 上海市东方医院（同济大学附属东方医院） | Negative pressure air inlet breathing mask and using method thereof |
-
2020
- 2020-12-14 CN CN202011470713.6A patent/CN112426640A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022217665A1 (en) * | 2021-04-16 | 2022-10-20 | 杜小曦 | Breathing mask |
| CN113577491A (en) * | 2021-08-30 | 2021-11-02 | 重庆科华安全设备有限责任公司 | Frequency self-adjusting intelligent sunliving device |
| CN114576809A (en) * | 2022-03-07 | 2022-06-03 | 威康(深圳)智能有限公司 | Intelligent air conditioning method and device based on signal transmission of Internet of things |
| CN115487435A (en) * | 2022-10-08 | 2022-12-20 | 上海市东方医院（同济大学附属东方医院） | Negative pressure air inlet breathing mask and using method thereof |
| CN115487435B (en) * | 2022-10-08 | 2023-11-17 | 上海市东方医院（同济大学附属东方医院） | Negative pressure air inlet breathing mask and use method thereof |
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