Breathing parameter detection device for gas mask

Abstract

The utility model provides a breathing parameter detection device for a gas mask, which comprises a gas mask provided with a fixing belt, the gas mask is arranged on the front side of the gas mask, a water blocking cover is arranged in the gas mask, an internal data acquisition system is arranged in the water blocking cover, a data receiving system is arranged on a hoop on the side edge of the gas mask, and the data receiving system is connected with the gas mask. And the internal data acquisition system and the data receiving system are in wireless interconnection. The gas mask can be directly worn on a tester to detect various breathing parameters, and the problem that the breathing parameters in the gas mask are difficult to detect can be effectively solved; a breathing machine can be quickly connected to simulate an operator to wear a gas mask for breathing, various breathing parameters in the gas mask can be quickly and accurately collected and detected in real time, and the device can be used for detecting the breathing parameters of the gas mask in different activity states and scientifically researching the change process of the breathing parameters in the gas mask.

Description

TECHNICAL FIELD

[0001] The utility model relates to a gas mask breath detection technical field, concretely is a kind of breath parameter detection device for gas mask. BACKGROUND

[0002] The gas mask breath parameter detection device is used for scientific research of gas mask breath parameter detection and correlation influence between breath parameters in gas mask in different activity states, and there is no related breath detection device for gas mask in the market at present, when the breath parameters of gas mask are tested and researched, fixed parameter simulation breath process is generally set by breathing machine to carry out quantitative breath test to gas mask, but for the breath parameters in gas mask, such as breath frequency, breath pressure, internal and external breath pressure difference, breath temperature and humidity, gas mask internal breath carbon dioxide content and the like, real-time change process is difficult to measure, and test personnel are difficult to obtain a variety of breath parameter data in gas mask and parameter change for analysis and research.

[0003] Publication No. CN207439463U discloses a gas mask internal parameter measuring device, and the protected right item is: "including sensor array, sensor array communication connection central processing unit, central processing unit communication connection alarm, central processing unit passes through wireless communication module wireless connection remote monitoring terminal;Sensor array is built-in in gas mask interior, measures the air pressure, temperature, toxic and harmful gas concentration parameters in gas mask, is transmitted to remote monitoring terminal in real time by built-in wireless communication module, carries out real-time monitoring, when these parameters are found to exceed normal range, immediately issues an alarm and takes necessary emergency measures, can effectively avoid that wearer is harmed in unaware condition."The main problem solved is to measure the air pressure, temperature, toxic and harmful gas concentration parameters in gas mask, effectively avoid that wearer is harmed in unaware condition, but the breath parameters of wearer cannot be measured, and the real-time change process of breath parameters in gas mask is more difficult to obtain.

[0004] Therefore, a breath parameter detection device for gas mask is needed to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at overcoming the above-mentioned shortcomings, and provides a breath parameter detection device for gas mask to solve the problems in the background art.

[0006] The utility model discloses a technical scheme that is adopted for solving the above technical problem is: a kind of for gas mask's respiratory parameter detection device, including the gas mask with fixing belt, the gas mask front is equipped with gas mask, the gas mask is equipped with water-blocking cover inside, the water-blocking cover is equipped with internal data acquisition system inside, data receiving system is equipped on the side edge clamp of gas mask, and internal data acquisition system and data receiving system are interconnected by wireless.

[0007] Preferably, the internal data acquisition system includes an internal data acquisition cavity, a first air pressure sensor, a first microprocessor, a first Bluetooth module, a first power module, a first battery, a first temperature and humidity sensor, and a carbon dioxide sensor are arranged in the internal data acquisition cavity, a charging interface and a first key module are arranged on the upper side of the internal data acquisition cavity, the first power module includes multiple voltage conversion chips, the first battery is a rechargeable polymer lithium battery, and a built-in charge and discharge protection board is arranged.

[0008] Preferably, the internal data acquisition cavity includes an upper cover on the front side, a sensing data acquisition port is arranged on the inner side of the upper cover, the first air pressure sensor, the first temperature and humidity sensor, and the carbon dioxide sensor are installed on the sensing data acquisition port, and a bracket structure is arranged on the back side to fix the mask.

[0009] Preferably, the first air pressure sensor, the first Bluetooth module, the first temperature and humidity sensor, the carbon dioxide sensor, and the first key module are electrically connected to the first microprocessor, the first battery is electrically connected to the input port of the first power module, the output port of the first power module is respectively electrically connected to the first air pressure sensor, the first Bluetooth module, the first temperature and humidity sensor, the carbon dioxide sensor, and the power supply port of the first microprocessor to provide power supply, and the charging interface is electrically connected to the first battery.

[0010] Preferably, the data receiving system includes a data receiving cavity, a USB interface and a second key module are arranged on the outer side of the data receiving cavity, a second air pressure sensor, a second microprocessor, a second Bluetooth module, a second power module, a second battery, a serial port conversion module, a second temperature and humidity sensor, and a storage module are arranged in the data receiving cavity; the second power module includes multiple voltage conversion chips, the second battery is a rechargeable polymer lithium battery, and a built-in charge and discharge protection board is arranged.

[0011] Preferably, the data receiving cavity includes an upper cover on the front side, a sensing data acquisition port is arranged on the inner side of the upper cover, the second air pressure sensor and the second temperature and humidity sensor are installed on the sensing data acquisition port, and a buckle is arranged on the back side of the data receiving cavity to fix the gas mask.

[0012] Preferably, the second air pressure sensor, the second Bluetooth module, the serial port conversion module, the second temperature and humidity sensor, the storage module, the second key module and the second microprocessor are electrically connected, the second battery is electrically connected with the second power module input port, the second power module output port is respectively electrically connected with the second air pressure sensor, the second Bluetooth module, the serial port conversion module, the second temperature and humidity sensor, the storage module and the second microprocessor power port to provide power supply, the serial port conversion module is electrically connected with the USB interface, and the power port of the USB interface is electrically connected with the second battery.

[0013] Preferably, the internal data acquisition system and the data receiving system are wirelessly connected through the first Bluetooth module and the second Bluetooth module arranged in the respective cavities.

[0014] Preferably, the first key module arranged in the internal data acquisition cavity is arranged as a power-on key, and the second key module arranged in the data receiving cavity is arranged as a power-off key.

[0015] The utility model has the following beneficial effects:

[0016] 1. The utility model discloses a data acquisition cavity and a data receiving cavity are arranged in the mask, which can not only quickly access the respirator to simulate the personnel wearing the gas mask to breathe, but also can be directly worn on the test personnel, and can quickly and accurately detect the respiratory parameter data in the gas mask, such as respiratory pressure, respiratory temperature and humidity, carbon dioxide, environmental air pressure and temperature and humidity data, respiratory pressure difference data, respiratory cycle and respiratory frequency and other real-time data of various respiratory parameters and the change process in the test period.

[0017] 2. The utility model discloses a whole transmission adopts a wireless mode, compared with wired connection, guarantees the air tightness after wearing the mask, so that the detection result is more accurate.

[0018] 3. The utility model discloses a data acquisition cavity and a data receiving cavity can be adapted to different gas masks to test the respiratory parameters, and the application range is wide.

[0019] 4. The utility model discloses a breathing test can be automatically started and stopped according to the respiratory pressure, and the test is carried out in different periods.

[0020] 5. The utility model discloses a modular design, simple structure, convenient operation, and can effectively solve the problem that the respiratory parameters in the gas mask are difficult to test. DRAWINGS

[0021] Figure 1 It is the overall structure diagram of the utility model;

[0022] Figure 2 It is the overall circuit structure diagram of the utility model;

[0023] Figure 3The utility model discloses test mask internal structure diagram for the utility model;

[0024] Figure 4 The utility model discloses data acquisition cavity structure front view schematic drawing for the utility model;

[0025] Figure 5 The utility model discloses data acquisition cavity structure inside schematic drawing for the utility model;

[0026] Figure 6 The utility model discloses data acquisition cavity structure side schematic drawing for the utility model;

[0027] Figure 7 The utility model discloses data receiving cavity structure front view schematic drawing for the utility model;

[0028] Figure 8 The utility model discloses data receiving cavity structure inside schematic drawing for the utility model;

[0029] Figure 9 The utility model discloses data receiving cavity structure side schematic drawing for the utility model;

[0030] Figure 10 The utility model discloses embodiment schematic drawing for the utility model;

[0031] In the drawing: gas mask 1, gas mask 2, first air pressure sensor 3, second air pressure sensor 4, first microprocessor 5, second microprocessor 6, first bluetooth module 7, second bluetooth module 8, first power module 9, second power module 10, first battery 11, second battery 12, charging interface 13, serial port conversion module 14, USB interface 15, internal data acquisition cavity 16, data receiving cavity 17, water blocking cover 18, first temperature and humidity sensor 19, second temperature and humidity sensor 20, carbon dioxide sensor 21, storage module 22, first button module 23, second button module 24, internal data acquisition system 25, data receiving system 26. DETAILED DESCRIPTION

[0032] The utility model will be further explained below in connection with the drawings and examples:

[0033] Referring to Figures 1 to 9 A kind of breathing parameter detection device for gas mask, including the gas mask 1 with fixing band, the gas mask 1 front is equipped with gas mask 2, the gas mask 2 is equipped with water blocking cover 18, the water blocking cover 18 is equipped with internal data acquisition system 25, the gas mask 2 side edge clamp is equipped with data receiving system 26, the internal data acquisition system 25 and data receiving system 26 are interconnected by wireless.

[0034] Preferably, the internal data acquisition system 25 comprises an internal data acquisition cavity 16, which is internally provided with a first air pressure sensor 3, a first microprocessor 5, a first Bluetooth module 7, a first power module 9, a first battery 11, a first temperature and humidity sensor 19, and a carbon dioxide sensor 21, and externally provided with a charging interface 13 and a first button module 23 on the upper side, the first power module 9 comprises a plurality of voltage conversion chips, and the first battery 11 is a rechargeable polymer lithium battery with a built-in charge and discharge protection board. The first microprocessor 5 is a single-chip microcomputer, and the specific model can be STC32G12K128; the charging interface 13 can be a micro USB interface.

[0035] Preferably, the internal data acquisition cavity 16 is provided with an upper cover on the front side, and the internal side of the upper cover is provided with a sensing data acquisition port, and the first air pressure sensor 3, the first temperature and humidity sensor 19, and the carbon dioxide sensor 21 are installed on the sensing data acquisition port, and the back side is provided with a support structure for fixing the mask. The first air pressure sensor 3 is a MEMS digital absolute pressure sensor, and the specific model is SPL07-001; the first temperature and humidity sensor 19 is a MEMS sensor, and the specific model can be 20HTU21D; the carbon dioxide sensor 21 internally comprises a signal amplification circuit and a filter circuit, and the model can be MH-410D.

[0036] Preferably, the first air pressure sensor 3, the first Bluetooth module 7, the first temperature and humidity sensor 19, the carbon dioxide sensor 21, and the first button module 23 are electrically connected to the first microprocessor 5, the first battery 11 is electrically connected to the input port of the first power module 9, the output port of the first power module 9 is respectively electrically connected to the power supply port of the first air pressure sensor 3, the first Bluetooth module 7, the first temperature and humidity sensor 19, the carbon dioxide sensor 21, and the first microprocessor 5 to provide power supply, and the charging interface 13 is electrically connected to the first battery 11.

[0037] Preferably, the data receiving system 26 comprises a data receiving cavity 17, which is provided with a USB interface 15 and a second button module 24 on the outer side, and is internally provided with a second air pressure sensor 4, a second microprocessor 6, a second Bluetooth module 8, a second power module 10, a second battery 12, a serial port conversion module 14, a second temperature and humidity sensor 20, and a storage module 22; the second power module 10 comprises a plurality of voltage conversion chips, and the second battery 12 is a rechargeable polymer lithium battery with a built-in charge and discharge protection board. The second microprocessor 6 is a single-chip microcomputer, and the specific model can be STC32G12K128; the serial port conversion module 14 is a serial port to USB module; and the storage module 22 is an SD card.

[0038] Preferably, the data receiving cavity 17 is provided with a cover on the front side, and a sensing data collection port is arranged on the inner side of the cover. The second air pressure sensor 4 and the second temperature and humidity sensor 20 are installed on the sensing data collection port. The back side of the data receiving cavity 17 is provided with a buckle for fixing the anti-poison mask 2. The second air pressure sensor 4 is a MEMS digital absolute pressure sensor, and the specific model is SPL07-001. The second temperature and humidity sensor 20 is a MEMS sensor, and the specific model can be 20HTU21D.

[0039] Preferably, the second air pressure sensor 4, the second Bluetooth module 8, the serial port conversion module 14, the second temperature and humidity sensor 20, the storage module 22, and the second microprocessor 6 are electrically connected. The second battery 12 is electrically connected to the input port of the second power module 10. The output port of the second power module 10 is respectively electrically connected to the power supply port of the second air pressure sensor 4, the second Bluetooth module 8, the serial port conversion module 14, the second temperature and humidity sensor 20, the storage module 22, and the second microprocessor 6 to provide power supply. The serial port conversion module 14 is electrically connected to the USB interface 15. The power supply port of the USB interface 15 is electrically connected to the second battery 12.

[0040] Preferably, the internal data collection system 25 and the data receiving system 26 are wirelessly interconnected through the first Bluetooth module 7 and the second Bluetooth module 8 arranged in the respective cavities.

[0041] Preferably, the first key module 23 arranged in the internal data collection cavity 16 is set as a power-on key. The second key module 24 arranged in the data receiving cavity 17 is set as a power-off key.

[0042] Referring to Figure 10 In the test mode of the embodiment, a test head mold can be used instead of a wearer for use, and the breathing machine mode is accessed.

[0043] The tester installs the internal data collection cavity 16 in the water-proof cover 18 of the gas mask 2 according to the instructions; one end of the breathing pipeline is connected with the breathing interface of the test head mold, and the other end of the breathing pipeline is connected with the air supply port of the breathing machine; the data receiving cavity 17 is installed on the clamp of the gas mask 1, the gas mask 2 is worn on the test head mold, the breathing machine is started, the quantitative test parameters such as air supply volume, breathing ratio and humidity are set, the test head mold is simulated to breathe, the first key module 23 and the second key module 24 are operated to start the modules in the internal data collection cavity 16 and the data receiving cavity 17 in the gas mask 1; the first air pressure sensor 3, the first temperature and humidity sensor 19 and the carbon dioxide sensor 21 acquire the pressure, temperature and humidity and carbon dioxide breathing data in the mask, the first microprocessor 5 reads the pressure data of the first air pressure sensor 3, when the data of the first air pressure sensor 3 exceeds the minimum exhalation setting threshold, the first microprocessor 5 judges that the breathing test process starts, the first microprocessor 5 reads the data of the first air pressure sensor 3, the first temperature and humidity sensor 19 and the carbon dioxide sensor 21 through the I / O port, and the first microprocessor 5 drives the first Bluetooth module 7 to send the collection instruction to the second Bluetooth module 8; the second microprocessor 6 acquires the data received by the second Bluetooth module 8 and receives the collection instruction signal sent by the first microprocessor 5, the second microprocessor 6 starts timing, the second microprocessor 6 starts reading the data of the second air pressure sensor 4 and the second temperature and humidity sensor 20, and keeps synchronization with the internal data collection of the gas mask 2; the first microprocessor 5 drives the first Bluetooth module 7 to send the breathing data in the gas mask 2 to the second Bluetooth module 8, and the second microprocessor 6 acquires the data of the first air pressure sensor 3, the first temperature and humidity sensor 19 and the carbon dioxide sensor 21 through the second Bluetooth module 8; the second microprocessor 6 calculates the difference between the first air pressure sensor 3 and the second air pressure sensor 4, and acquires the pressure difference data between the inside and outside of the gas mask 2; according to the collected pressure difference data between the inside and outside of the gas mask 2, the second microprocessor 6 analyzes the rising and falling trend of the pressure data, when the data monotonically rises before the reference threshold value and reaches the reference threshold value, it is considered that the inhalation stage is converted to the exhalation stage; when the data monotonically decreases before the reference threshold value and reaches the reference threshold value, it is considered that the exhalation stage is converted to the inhalation stage, and the breathing period T of the user can be obtained, the second microprocessor 6 calculates the breathing frequency according to the breathing period; the second microprocessor 6 writes the real-time change data of the first air pressure sensor 3, the first temperature and humidity sensor 19 and the carbon dioxide sensor 21 in the gas mask 2, the environmental pressure and temperature and humidity data, the breathing pressure difference data, the breathing period and the breathing frequency data into the storage module 22; when the data of the first air pressure sensor 3 exceeds the minimum exhalation setting threshold, the first microprocessor 5 judges that the breathing test process ends.The first microprocessor 5 stops collecting data and sends an instruction to the second microprocessor 6, the second microprocessor 6 stops data collection, the second microprocessor 6 stops timing, and writes the length of the breath test into the storage module 22; the second microprocessor 6 can send breath data to the USB interface 15 through the serial conversion module 14, and can send breath data to the PC end through the USB interface 15 for the tester to analyze and study the breath parameters.

[0044] When the tester uses the breath parameter detection device of the gas mask, the direct wearing test mask mode is as follows:

[0045] The tester installs the internal data acquisition cavity 16 in the water-proof cover 18 of the gas mask 2 according to the requirements of the instruction book; the data receiving cavity 17 is installed on the clamp of the gas mask 1, and the starting operation of the modules in the internal data acquisition cavity 16 and the data receiving cavity 17 in the gas mask 1 is performed through the first button module 23 and the second button module 24; the tester wears the gas mask 2 to perform breathing of different intensities; the first air pressure sensor 3, the first temperature and humidity sensor 19 and the carbon dioxide sensor 21 acquire the pressure, temperature and humidity and carbon dioxide breathing data in the mask; the first microprocessor 5 reads the pressure data of the first air pressure sensor 3, and when the data of the first air pressure sensor 3 exceeds the minimum exhalation setting threshold value, the first microprocessor 5 judges that the breathing test process starts; the first microprocessor 5 reads the data of the first air pressure sensor 3, the first temperature and humidity sensor 19 and the carbon dioxide sensor 21 through the I / O port, and drives the first Bluetooth module 7 to send the acquisition instruction to the second Bluetooth module 8; the second microprocessor 6 acquires the data received by the second Bluetooth module 8, receives the acquisition instruction signal sent by the first microprocessor 5, starts timing, and starts reading the data of the second air pressure sensor 4 and the second temperature and humidity sensor 20, and keeps synchronization with the internal data acquisition of the gas mask 2; the first microprocessor 5 drives the first Bluetooth module 7 to send the breathing data in the gas mask 2 to the second Bluetooth module 8, and the second microprocessor 6 acquires the data of the first air pressure sensor 3, the first temperature and humidity sensor 19 and the carbon dioxide sensor 21 through the second Bluetooth module 8; the second microprocessor 6 calculates the difference between the first air pressure sensor 3 and the second air pressure sensor 4, and acquires the pressure difference data between the inside and outside of the gas mask 2; according to the acquired pressure difference data between the inside and outside of the gas mask 2, the second microprocessor 6 analyzes the rising and falling trend of the pressure data, and when the data monotonically rises before the reference threshold value and reaches the reference threshold value, it is considered that the inhalation stage is converted into the exhalation stage; when the data monotonically decreases before the reference threshold value and reaches the reference threshold value, it is considered that the exhalation stage is converted into the inhalation stage, and the breathing period T of the user can be obtained; the second microprocessor 6 calculates the breathing frequency according to the breathing period; the second microprocessor 6 writes the real-time change data of the first air pressure sensor 3, the first temperature and humidity sensor 19 and the carbon dioxide sensor 21 in the gas mask 2, the environmental pressure and temperature and humidity data, the breathing pressure difference data, the breathing period and the breathing frequency data into the storage module 22; when the data of the first air pressure sensor 3 exceeds the minimum exhalation setting threshold value, the first microprocessor 5 judges that the breathing test process ends; the first microprocessor 5 stops collecting data and sends an instruction to the second microprocessor 6; the second microprocessor 6 stops data collection, the second microprocessor 6 stops timing, and writes the length of the breathing test into the storage module 22, so that the tester can call to analyze and research the breathing process.

[0046] The working principle of the utility model is as follows:

[0047] Step 1: initialize the first air pressure sensor 3, the second air pressure sensor 4, the first microprocessor 5, the second microprocessor 6, the first Bluetooth module 7, the second Bluetooth module 8, the first temperature and humidity sensor 19, the second temperature and humidity sensor 20, the carbon dioxide sensor 21, the storage module 22, and turn on the interrupts of the first microprocessor 5 and the second microprocessor 6;

[0048] Step 2: the first microprocessor 5 reads the pressure data of the first air pressure sensor 3, and when the data of the first air pressure sensor 3 exceeds the minimum exhalation setting threshold, the first microprocessor 5 determines that the breathing test process starts, the first microprocessor 5 reads the data of the first air pressure sensor 3, the first temperature and humidity sensor 19, and the carbon dioxide sensor 21, and the first microprocessor 5 sends the collection instruction to the second microprocessor 6 through the first Bluetooth module 7;

[0049] Step 3: the second microprocessor 6 receives the collection instruction signal sent by the first microprocessor 5, starts timing, and starts reading the data of the second air pressure sensor 4 and the second temperature and humidity sensor 20;

[0050] Step 4: the first microprocessor 5 drives the first Bluetooth module 7 to send the data of the first air pressure sensor 3, the first temperature and humidity sensor 19, and the carbon dioxide sensor 21 to the second Bluetooth module 8, and the second microprocessor 6 acquires the data of the first air pressure sensor 3, the first temperature and humidity sensor 19, and the carbon dioxide sensor 21 through the second Bluetooth module 8;

[0051] Step 5: the second microprocessor 6 calculates the difference between the first air pressure sensor 3 and the second air pressure sensor 4 to obtain the pressure difference data inside and outside the anti-virus mask 2;

[0052] Step 6: the second microprocessor 6 analyzes the rising and falling trend of the collected pressure difference data inside and outside the anti-virus mask 2, and when the data monotonically rises before reaching the reference threshold and reaches the reference threshold, it is considered that the inhalation phase is converted to the exhalation phase; when the data monotonically decreases before reaching the reference threshold and reaches the reference threshold, it is considered that the exhalation phase is converted to the inhalation phase, and the breathing period T of the user can be obtained, and the second microprocessor 6 calculates the breathing frequency according to the breathing period;

[0053] Step 7: the second microprocessor 6 writes the breathing data of the first air pressure sensor 3, the first temperature and humidity sensor 19, and the carbon dioxide sensor 21 inside the mask, the environmental air pressure and humidity data, the breathing pressure difference data, the breathing period and the breathing frequency data obtained during the breathing test period into the storage module 22;

[0054] Step 8: when the data of the first air pressure sensor 3 exceeds the minimum exhalation setting threshold, the first microprocessor 5 determines that the breathing test process ends;

[0055] Step 9: the first microprocessor 5 stops collecting data, and sends an instruction to the second microprocessor 6, the second microprocessor 6 stops data collection, the second microprocessor 6 stops timing, and writes the breath test duration into the storage module 22;

[0056] Step 10: the second microprocessor 6 can send the breath data to the USB interface 15 through the serial conversion module 14, and can send the breath data to the PC end through the USB interface 15;

[0057] Step 11: repeat steps 2-10.

[0058] The above embodiment is only a preferred technical solution of the present application, and should not be regarded as a limitation of the present application. The protection scope of the present application should be based on the technical solution recorded in the claims, including the equivalent replacement scheme of the technical features recorded in the claims. That is, the equivalent replacement improvement within this scope is also within the protection scope of the present application.

Claims

1. A breathing parameter detection device for a gas mask, comprising a gas mask (1) provided with a retaining strap, characterized in that: The gas mask (1) is provided with a gas mask (2) on the front side, the gas mask (2) is provided with a water blocking cover (18) inside, the water blocking cover (18) is provided with an internal data acquisition system (25) inside, the gas mask (2) is provided with a data receiving system (26) on the side clamping buckle, the internal data acquisition system (25) and the data receiving system (26) are interconnected through wireless, The internal data acquisition system (25) comprises an internal data acquisition cavity (16), the internal data acquisition cavity (16) is provided with a first air pressure sensor (3), a first microprocessor (5), a first Bluetooth module (7), a first power module (9), a first battery (11), a first temperature and humidity sensor (19) and a carbon dioxide sensor (21), the external side of the internal data acquisition cavity (16) is provided with a charging interface (13) and a first button module (23), the first power module (9) comprises a plurality of voltage conversion chips, the first battery (11) is a rechargeable polymer lithium battery, and a built-in charge and discharge protection plate is arranged, The data receiving system (26) comprises a data receiving cavity (17), the external side of the data receiving cavity (17) is provided with a USB interface (15) and a second button module (24), and the internal data receiving cavity (17) is provided with a second air pressure sensor (4), a second microprocessor (6), a second Bluetooth module (8), a second power module (10), a second battery (12), a serial port conversion module (14), a second temperature and humidity sensor (20) and a storage module (22); the second power module (10) comprises a plurality of voltage conversion chips, the second battery (12) is a rechargeable polymer lithium battery, and a built-in charge and discharge protection plate is arranged.

2. A breathing parameter detection device for a gas mask according to claim 1, characterized in that: The internal data acquisition cavity (16) comprises an upper cover, a sensing data acquisition port is arranged on the inner side of the upper cover, the first air pressure sensor (3), the first temperature and humidity sensor (19) and the carbon dioxide sensor (21) are arranged on the sensing data acquisition port, and a support structure is arranged on the back side of the internal data acquisition cavity (16) and fixed with the mask.

3. A breathing parameter detection device for a gas mask according to claim 1, characterized in that: The first air pressure sensor (3), the first Bluetooth module (7), the first temperature and humidity sensor (19), the carbon dioxide sensor (21), the first button module (23) and the first microprocessor (5) are electrically connected, the first battery (11) and the input port of the first power module (9) are electrically connected, the output port of the first power module (9) is respectively electrically connected with the first air pressure sensor (3), the first Bluetooth module (7), the first temperature and humidity sensor (19), the carbon dioxide sensor (21) and the power supply port of the first microprocessor (5) to provide power supply, and the charging interface (13) is electrically connected with the first battery (11).

4. The breathing parameter detection device for a gas mask according to claim 1, characterized in that: The data receiving cavity (17) comprises an upper cover, a sensing data acquisition port is arranged on the inner side of the upper cover, the second air pressure sensor (4) and the second temperature and humidity sensor (20) are arranged on the sensing data acquisition port, and a buckle is arranged on the back side of the data receiving cavity (17) and fixed with the gas mask (2).

5. The breathing parameter detection device for a gas mask according to claim 1, characterized in that: The second air pressure sensor (4), the second Bluetooth module (8), the serial port conversion module (14), the second temperature and humidity sensor (20), the storage module (22), the second key module (24) and the second microprocessor (6) are electrically connected, the second battery (12) and the second power module (10) input are electrically connected, the second power module (10) output is respectively electrically connected with the second air pressure sensor (4), the second Bluetooth module (8), the serial port conversion module (14), the second temperature and humidity sensor (20), the storage module (22), the second microprocessor (6) power port and provides power supply, the serial port conversion module (14) and the USB interface (15) are electrically connected, and the power port of the USB interface (15) is electrically connected with the second battery (12).

6. The breathing parameter detection device for a gas mask according to claim 1, characterized in that: The internal data acquisition system (25) and the data receiving system (26) are wirelessly interconnected through the first Bluetooth module (7) and the second Bluetooth module (8) arranged in the respective cavities.

7. The breathing parameter detection device for a gas mask according to claim 1, wherein: The first key module (23) arranged in the internal data acquisition cavity (16) is set as a power-on key, and the second key module (24) arranged in the data receiving cavity (17) is set as a power-off key.

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