CN215608883U

CN215608883U - Multifunctional automatic air supply mode conversion device for fire fighting

Info

Publication number: CN215608883U
Application number: CN202022531846.1U
Authority: CN
Inventors: 张守政; 沙春雷
Original assignee: Shanghai Baoya Safety Equipment Co ltd
Current assignee: Shanghai Baoya Safety Equipment Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2022-01-25
Anticipated expiration: 2030-11-05

Abstract

The utility model relates to the technical field of safety protection, in particular to a multifunctional air supply mode automatic conversion device for fire fighting, which comprises a signal acquisition module and a head-up display module which are arranged on a breathing mask, and a magnetic control air supply valve and a control switch of a power air supply filtering type respirator which are arranged on a positive pressure type exhauster, wherein the signal acquisition module is in communication connection with the head-up display module, the magnetic control air supply valve and the control switch, and is used for detecting ambient air quality data, controlling the magnetic control air supply valve and the control switch to automatically switch to use the positive pressure type air respirator or the power air supply filtering type respirator, and displaying the ambient air quality data on the head-up display module. The multifunctional automatic switching device for the gas supply mode for fire fighting, provided by the utility model, realizes the automatic switching function of two gas supply devices, and transmits the working state and alarm information of the devices to the display device in the face mask in real time.

Description

Multifunctional automatic air supply mode conversion device for fire fighting

Technical Field

The utility model relates to the technical field of safety protection, in particular to an automatic conversion device for a multifunctional gas supply mode for fire fighting, which can be widely applied to emergency rescue and rescue in the fields of fire fighting rescue, metallurgy, chemical industry, ships and the like.

Background

At present, with the increasingly complex rescue environment, the requirements on the safety and the use duration of a personal protection system are increasingly higher, and particularly in the large-span range and high-rise rescue work, the personal protection time (the average value is 30 minutes) of a single air respirator is difficult to meet the requirements of on-site rescue. Especially, under the condition of being trapped and in danger, the prolonging of the personal protection time is very important. Although there is also a combined personal protection device at present, it needs manual operation, and the problem lies in that the distribution of the poisonous and harmful gases on the site can not be quickly and effectively identified, especially the colorless and tasteless mixed gas, and when, where and which air supply mode is selected, and the accident site is affected by natural climate (strong wind, rain, etc.), the accident site in a very steady state is likely to endanger the life safety of users due to the artificial subjective misjudgment and use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of the prior art and provides a multifunctional automatic switching device for a gas supply mode for fire fighting.

In order to achieve the above object, an automatic switching device is designed, which comprises a breathing mask and a breathing system which are connected with each other through an air supply pipe, the respiratory system comprises a power air supply filtering respirator and a positive pressure respirator, and also comprises a signal acquisition module and a visual display module which are arranged on the respiratory mask, and a magnetic control air supply valve and a control switch of the power air supply filtering respirator which are arranged on the positive pressure type respirator, the signal acquisition module is in communication connection with the head-up display module, the magnetic control gas supply valve and the control switch, the signal acquisition module detects ambient air quality data, controls the magnetic control air supply valve and the control switch to automatically switch to use a positive pressure type air respirator or a power air supply filtering respirator in the respiratory system, and displays the ambient air quality data on the head-up display module.

Furthermore, the signal acquisition module includes microprocessor, poison gas detection module, wireless transmission module and power supply management circuit, poison gas detection module is used for detecting surrounding environment air quality data, and with microprocessor communication connection, microprocessor is according to surrounding air quality data, through wireless transmission module control magnetic control air supply valve and control switch to send surrounding environment air quality data to head up display module on.

Further, the toxic gas detection module comprises a combustible gas content sensor, an oxygen content sensor, a hydrogen sulfide content sensor, a carbon monoxide content sensor and a temperature sensor.

Further, magnetic control air feed valve includes the valve body, and the solenoid valve is arranged in the valve body, be equipped with on the valve body with air supply port and manual air feed switch that respirator is connected, the solenoid valve is including the singlechip that has bluetooth function, is used for control positive pressure air respirator switch among the respiratory.

Furthermore, head-up display module includes OLED display screen and wireless communication device, OLED installs on breathing the face guard, wireless communication device with signal acquisition module connects for the ambient air quality data that signal acquisition module detected is received, and shows on OLED display screen.

Furthermore, the signal acquisition module of the automatic switching device further comprises a respiratory system detection module connected with the microprocessor and used for detecting the working state of the respiratory system, and the microprocessor can display the working state of the respiratory system on the head-up display module through the wireless transmission module.

Beneficial effects of the utility model

The multifunctional automatic switching device for the gas supply mode for fire fighting, provided by the utility model, has the advantages that:

1. two kinds of air feed equip automatic switching: the automatic switching function of two kinds of gas supply equipment is mainly realized, and alarm information such as the working state, low electric quantity, low air quantity and failure of the filter tank of the equipment is transmitted to the display device in the face mask in real time.

2. Prolonging the protection time: the device can reasonably arrange air supply equipment according to the area affected by the accident, and prolong the effective use time of the breathing equipment.

3. Install head-up display module in the face guard, head-up display module can observe the work dress attitude and the alarm information that the air feed was equipped in real time to liberation rescue personnel's both hands promote rescue efficiency, guarantee the safety of rescue personnel self.

Drawings

Fig. 1 and 2 schematically show the structure of the device of the present invention;

FIG. 3 illustrates a schematic structural view of a heads-up display module of the present invention;

FIG. 4 is a schematic view illustrating the construction of the magnetically controlled gas supply valve of the present invention;

fig. 5 schematically shows a structure of a signal acquisition module of the present invention;

in the figure: 1. the head cover 2, the face mask 3, the head-up display module 4, the magnetic control air supply valve 5, the poison filling tank 6, the power air supply filtering respirator and control switch 7, the fixing bandage 8, the signal acquisition module 9, the air supply pipe 10, the pressure gauge 11, the medium pressure pipe 12 and the gas cylinder.

301. Display screen 302, powered supply air filtering respirator interface 303, LED indicator 304, magnetically controlled supply valve interface 305, PTT key 306, loudspeaker 307, pair code key 308, headset.

401. The manual air supply switch 402, the electromagnetic valve contact 403, the built-in electromagnetic valve 404, the air supply port 405, the valve body 406 and the rubber protective sleeve.

801. Positive pressure respirator pilot lamp 802, powered supply filtering respirator pilot lamp 803, signal pilot lamp 804, power switch 805, temperature sensor 806, mating key 807, air supply output port 808, bluetooth mating pilot lamp 809.4 and 1 gas sensor.

Detailed Description

The technical solution adopted by the present invention is further explained below with reference to the accompanying drawings and embodiments.

Therefore, referring to fig. 1 and 2, in order to provide the multifunctional automatic switching device of air supply mode for fire fighting of the present invention, the device comprises a breathing mask and a breathing system, wherein the breathing system comprises a positive pressure type air respirator and a powered air supply filtering type respirator, and further comprises a head-up display module 3 and a signal acquisition module 8, the positive pressure type air respirator is provided with a magnetic control air supply valve 4, the powered air supply filtering type respirator is provided with a control switch 6, the powered air supply filtering type respirator is filtered by a canister 5, the positive pressure type air respirator comprises an air bottle 12, the breathing system is fixed on a rescuer body by a fixing strap, the breathing mask comprises a head cover 1 and a face cover 2, the breathing mask is connected with the breathing system by an air supply pipe 9, the head-up display module 3 and the signal acquisition module 8 are arranged on the face cover, the head-up display module 3 and the signal acquisition module 8 are in communication connection with the magnetic control gas supply valve 4 and the control switch 6.

The head-up display module 3 is shown in fig. 3 and comprises a display screen 301, a powered supply air filtering respirator interface 302, an LED indicator 303, a magnetically controlled supply air valve interface 304, a PTT key 305, a loudspeaker 306, a pair-code key 307 and an earphone 308. The head-up display module 3 is installed inside the face mask 2, and is provided with a port 302 corresponding to a power supply filtering respirator and a port 304 corresponding to a magnetic control air supply valve for facilitating breathing, the LED display lamp 303 is used for displaying the working state, and is provided with a PTT key 305, a loudspeaker 306 and an earphone 308 for facilitating the communication of rescuers, and a wireless communication device is further arranged in the head-up display module and is matched with the signal acquisition module 8 through a code key 307 for data transmission.

As shown in fig. 4, the magnetically controlled gas supply valve includes a manual gas supply switch 401, a solenoid valve contact 402, a built-in solenoid valve 403, a gas supply port 404, a valve body 405, and a rubber protective sleeve 406. When the positive pressure type air respirator is started, the instruction of the signal acquisition module 8 is wirelessly connected with the head-up display module 3 through a Bluetooth signal, and the head-up display module 3 is arranged outside the face. When the head-up display module 3 receives the instruction of the signal acquisition module 8, the instruction information is transmitted to the magnetic control air supply valve, the magnetic control air supply valve is provided with a power supply contact 402, when the magnetic control air supply valve is spliced with a mask for use, the electromagnetic valve contact 402 is contacted with the elastic sheet of the head-up display module 3, and the electromagnetic valve 403 can perform switching action when current flows through the electromagnetic valve. The magnetic control air supply valve can automatically switch the working state of the positive pressure type air respirator, the air supply port 404 is opened, and compressed air is supplied to the mask for the breathing of the wearing person. Meanwhile, the working data of the positive pressure type air respirator can be transmitted to the display screen 301, the real-time monitoring state is achieved, and the display screen 301 can display working time, gas cylinder pressure, signal intensity, battery electric quantity, ambient temperature, atmospheric pressure, various alarm information and the like.

When the power air supply filtering type respirator is started, the instruction transmitted by the signal acquisition module 8 can be sent to the single chip microcomputer for processing, the processing result is informed to the power air supply filtering type respirator to be started, the fan rotates, and the air is sealed to the face mask for a person wearing the respirator to breathe. Simultaneously, the operating condition of power air supply filtration formula respirator can the bluetooth transmit to display screen 301 and carry out real time monitoring, the control content includes: air output, filter tank service life, battery power, signal strength, ambient temperature, atmospheric pressure, and the like.

The signal acquisition module 8 is shown in fig. 5 and comprises a positive pressure respirator indicator 801, a powered supply filtering respirator indicator 802, a signal indicator 803, a power switch 804, a temperature sensor 805, a mating key 806, an air source output port 807, a bluetooth mating indicator 808, and a 4-in-1 gas sensor 809, the inside of the device comprises a microprocessor, the poison gas detection module comprises a temperature sensor 805 and a 4-in-1 gas sensor 809, the poison gas detection module is used for detecting the air quality data of the surrounding environment, and is in communication connection with the microprocessor, based on the ambient air quality data, the magnetic control air supply valve and the control switch are controlled through the wireless transmission module, the specific control result is displayed through the positive pressure type respirator indicating lamp 801 and the power air supply filtering type respirator indicating lamp 802, and the ambient air quality data is sent to the head-up display module.

When the ambient air quality data meets a certain requirement, the signal acquisition module 8 sends out a switching instruction.

Because the effective working time of the positive pressure air respirator is 0.5 hour, and the effective working time of the power air supply filtering respirator is 8 hours, the technical scheme adopted by the utility model does not need manual control operation, can automatically switch according to the concentration of toxic and harmful gases, the oxygen content and the ambient temperature on site, and has the priority that: powered supply filtering respirator > air respirator. The face is put and is installed the HUD display, HUD can observe the work dress attitude and the alarm information that the air feed was equipped in real time. Liberate both hands, promote rescue efficiency, guarantee the safety of rescue personnel self.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be within the technical scope of the present invention, and the technical solutions and novel concepts according to the present invention with the equivalent replacement or change should be covered within the scope of the present invention.

Claims

1. A multifunctional automatic switching device for supplying gas for fire control comprises a breathing mask and a breathing system which are connected with each other through an air supply pipe, wherein the breathing system comprises a power air supply filtering respirator and a positive pressure respirator, it is characterized by also comprising a signal acquisition module and a flat display module which are arranged on the breathing mask, and a magnetic control air supply valve and a control switch of the power air supply filtering respirator which are arranged on the positive pressure type respirator, the signal acquisition module is in communication connection with the head-up display module, the magnetic control gas supply valve and the control switch, the signal acquisition module detects ambient air quality data, controls the magnetic control air supply valve and the control switch to automatically switch to use a positive pressure type air respirator or a power air supply filtering respirator in the respiratory system, and displays the ambient air quality data on the head-up display module.

2. The multifunctional automatic switching device for air supply mode for fire fighting as claimed in claim 1, wherein the signal acquisition module comprises a microprocessor, a toxic gas detection module, a wireless transmission module and a power supply management circuit, the toxic gas detection module is used for detecting ambient air quality data and is in communication connection with the microprocessor, and the microprocessor controls the magnetic control air supply valve and the control switch through the wireless transmission module according to the ambient air quality data and sends the ambient air quality data to the head-up display module.

3. The multifunctional automatic switching device for gas supply modes for fire fighting according to claim 2, wherein the toxic gas detection module comprises a combustible gas content sensor, an oxygen content sensor, a hydrogen sulfide content sensor, a carbon monoxide content sensor and a temperature sensor.

4. The multifunctional automatic switching device for air supply modes for fire fighting according to claim 1, wherein the magnetic control air supply valve comprises a valve body, an electromagnetic valve is arranged in the valve body, an air supply port and a manual air supply switch which are connected with the breathing mask are arranged on the valve body, and the electromagnetic valve comprises a single chip microcomputer with a Bluetooth function and is used for controlling a positive pressure type air respirator switch in the breathing system.

5. The multifunctional automatic switching device for air supply mode for fire fighting as claimed in claim 1, wherein the head-up display module comprises an OLED display screen and a wireless communication device, the OLED is mounted on the breathing mask, and the wireless communication device is connected with the signal acquisition module and is used for receiving the ambient air quality data detected by the signal acquisition module and displaying the ambient air quality data on the OLED display screen.

6. The multifunctional automatic switching device for supplying gas for fire fighting as claimed in claim 2, wherein the signal acquisition module of the automatic switching device further comprises a respiratory system detection module connected to the microprocessor for detecting the operating status of the respiratory system, and the microprocessor can display the operating status of the respiratory system on the head-up display module through the wireless transmission module.