Intelligent air supply mask

Abstract

The invention discloses an intelligent air supply mask, and relates to the technical field of protective masks, the intelligent air supply mask comprises a mask main body, and the mask main body is used for covering the mouth and nose of a wearer to form a breathing space; the mask further comprises a filter element assembly, an air outlet valve, a sound transmission assembly, a pressure sensor, an air supply assembly, a control device and a power supply assembly which are arranged on the mask body, the filter element assembly communicates with the breathing space and filters inlet air, the filter element assembly comprises a filter box and a filter element, the filter element is arranged in the filter box, and the filter element is a corrugated filter element; the air outlet valve is communicated with the breathing space for exhausting; the sound transmission assembly is used for transmitting sound; the pressure sensor is used for detecting gas pressure in the breathing space; the air supply assembly is used for assisting in supplying air into the breathing space; the control device controls the air supply assembly to work according to the gas pressure data; the power supply assembly is used for supplying power. Auxiliary air supply can be carried out, follow-up adjustment is achieved, the stuffiness feeling of a wearer is reduced, the service life of the filter element can be prolonged, and the dust containing degree of the filter element can be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of protective masks, and in particular to an intelligent air supply mask. Background Art

[0002] Mine masks are important equipment to ensure the respiratory safety and health of miners. The filtration efficiency of non-oily particles above 0.075 microns can reach more than 99.97%. They can effectively block coal mine dust, fine particles and harmful gases, and greatly reduce the risk of miners suffering from occupational diseases such as pneumoconiosis.

[0003] However, in order to ensure the protective effect, the current masks for underground mines usually have poor air permeability, which easily makes it difficult for miners to breathe underground. Moreover, the filter elements used in the current masks for underground mines are usually flat filter elements with low dust holding capacity, resulting in a shorter service life and increased use costs.

[0004] Therefore, a smart air supply mask is provided to solve the above-mentioned problems existing in the prior art. Summary of the invention

[0005] The purpose of the present invention is to provide an intelligent air supply mask to solve the problems existing in the prior art, which can provide auxiliary air supply and realize follow-up adjustment, reduce the stuffiness of the wearer, and improve the service life and dust holding capacity of the filter element.

[0006] To achieve the above object, the present invention provides the following solutions:

[0007] The present invention provides an intelligent air supply mask, comprising a mask body, wherein the mask body is used to cover the mouth and nose of a wearer to form a breathing space; and further comprising:

[0008] A filter element assembly, the filter element assembly is in communication with the breathing space and is used to filter the intake air, wherein the filter element assembly comprises a filter box and a filter element, the filter element is arranged in the filter box, and the filter element is a corrugated filter element;

[0009] An air outlet valve, the air outlet valve is connected to the breathing space and is used for exhausting air;

[0010] A sound-transmitting component, the sound-transmitting component is used for sound transmission;

[0011] A pressure sensor, the pressure sensor is used to detect the gas pressure in the breathing space;

[0012] An air supply component, the air supply component is used to assist in supplying air into the breathing space;

[0013] A control device, the control device is connected to the pressure sensor and the air supply component by signal, and the control device can control the air supply component to work according to the gas pressure data detected by the pressure sensor;

[0014] A power supply component is used for supplying power.

[0015] Preferably, two filter element assemblies are provided, and the two filter element assemblies are respectively arranged on the two side edges of the mask body.

[0016] Preferably, the filter box includes a filter box base, a filter box fixing cover and a filter box upper cover, the filter box base is detachably connected to the mask body, and a filter box outlet is provided on the filter box base, and the filter box outlet is communicated with the breathing space; the filter element is arranged on the filter box base, the filter box fixing cover is detachably connected to the filter box base, and is used to fix the filter element, the filter box upper cover is arranged on the filter box fixing cover, and a filter box inlet is provided at the filter box upper cover.

[0017] Preferably, an air inlet base is further provided in the mask body, an air inlet cavity is formed between the air inlet base and the mask body, and the air supply assembly is arranged in the air inlet cavity; a vent is provided on the air inlet base, the vent is communicated with the filter box outlet, an air inlet valve is provided on the vent, and an internal valve is also provided on the air inlet base;

[0018] When inhaling, the air supply component works to blow the internal valve plate open, and when exhaling, the internal valve plate is in a closed state.

[0019] Preferably, the air supply component is a micro fan, which includes a motor and an impeller. The impeller is mounted on an output shaft of the motor, and the motor can drive the impeller to rotate to achieve air supply.

[0020] Preferably, the impeller comprises a mounting plate and blades, the mounting plate is mounted on the output shaft of the motor, and the blades are fixed on the mounting plate;

[0021] Wherein, the mounting plate is a conical plate, the blades are arc-shaped blades, and a plurality of the arc-shaped blades are evenly distributed along the circumference of the mounting plate.

[0022] Preferably, the sound-permeable component is a waterproof sound-permeable membrane, wherein the waterproof sound-permeable membrane is arranged on the upper side of the mask body.

[0023] Preferably, an air outlet is provided at the bottom of the mask body, and the air outlet valve is provided at the air outlet; wherein, the air outlet valve is a one-way valve, and an air outlet upper cover and an air outlet tail cover are respectively provided on the upper and lower sides of the one-way valve.

[0024] Preferably, the mask body comprises a main shell and a mask, wherein the mask is arranged on the inner side of the main shell to fit the mouth and nose of the wearer;

[0025] The power supply assembly is arranged at the lower outer portion of the main shell, wherein the power supply assembly includes a battery compartment and a battery, the battery compartment is fixed on the main shell, and the battery is arranged in the battery compartment.

[0026] Preferably, the main housing, the filter box and the battery compartment are all made of ABS flame-retardant plastic, and the mask is made of silicone material;

[0027] The battery is an explosion-proof battery.

[0028] Compared with the prior art, the present invention has achieved the following technical effects:

[0029] In the present invention, an air supply component is arranged on the mask body, which can assist in supplying air into the breathing space, thereby assisting the wearer in breathing and reducing the feeling of suffocation; moreover, a pressure sensor is installed on the mask body, which senses the change of pressure in the breathing space through the pressure sensor, can judge the wearer's inhalation and exhalation actions, and can monitor the wearer's breathing rhythm, frequency and intensity in real time. The pressure sensor transmits the collected data to the control device, and the control device calculates the required air volume and air supply timing according to the breathing rhythm and intensity, thereby realizing the adjustment of "follow-up breathing" and allowing the wearer to feel no suffocation throughout the whole process.

[0030] Furthermore, the filter element of the present invention adopts a corrugated filter element. Compared with a flat filter element, the corrugated structure greatly increases the overall surface area of ​​the filter element. Through corrugated folding, the surface of the filter element can provide more filter layers under the same volume, and can accommodate more dust particles without rapid clogging. In addition, the corrugated structure provides a multi-layer folded "depth" path, which optimizes the airflow path. When the air flows through these corrugated layers, the particles have a greater chance of contacting the filter element fibers, thereby increasing the chance of capturing the particles. This deep filtration can improve the interception efficiency of particles, especially for tiny particles, which helps to enhance the electrostatic effect and physical interception effect, and the more particles are accommodated, the slower the clogging speed of the filter element. Therefore, this structure effectively improves the service life and dust holding capacity of the filter element. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0032] Figure 1 This is a schematic diagram of the three-dimensional structure of the intelligent air supply mask in an embodiment of the present invention;

[0033] Figure 2 This is a schematic diagram of the inner side of the smart air supply mask in an embodiment of the present invention;

[0034] Figure 3 A side view of the intelligent air supply mask according to an embodiment of the present invention;

[0035] Figure 4 A bottom view of the intelligent air supply mask in an embodiment of the present invention;

[0036] Figure 5 This is a schematic diagram of the structure of the air inlet base in an embodiment of the present invention;

[0037] Figure 6 Schematic diagram of the structure of the impeller in the embodiment of the present invention;

[0038] Figure 7 2 is a cross-sectional view of an impeller in an embodiment of the present invention.

[0039] In the figure: 1-mask body, 101-face mask, 2-filter element assembly, 201-filter box base, 202-filter box fixing cover, 203-filter box upper cover, 204-filter element, 3-power supply assembly, 301-battery compartment, 302-battery, 4-sound-transparent assembly, 5-air inlet base, 501-vent, 6-impeller, 601-mounting plate, 602-blade, 7-internal valve sheet, 8-air outlet upper cover, 9-air outlet tail cover, 10-air outlet valve. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] The purpose of the present invention is to provide an intelligent air supply mask to solve the problems existing in the prior art, which can provide auxiliary air supply and realize follow-up adjustment, reduce the stuffiness of the wearer, and improve the service life and dust holding capacity of the filter element.

[0042] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0043] Embodiment 1

[0044] like Figure 1-Figure 7As shown, the present embodiment provides an intelligent air supply mask, which mainly includes a mask body 1, and the mask body 1 is used to cover the mouth and nose of the wearer, and a breathing space is formed between the mask body 1 and the mouth and nose of the wearer; it also includes a filter element assembly 2, an air outlet valve 10, a sound-permeable assembly 4, a pressure sensor, an air supply assembly, a control device and a power supply assembly 3 arranged on the mask body 1; specifically, the filter element assembly 2 is connected to the breathing space and is used to filter the intake air, wherein the filter element assembly 2 mainly includes a filter box and a filter element 204, the filter element 204 is arranged in the filter box, and the filter element 204 is a corrugated filter element; the exhaust valve 10 is connected to the breathing space for exhaust; the sound-permeable component 4 is used for sound transmission; the pressure sensor is used to detect the gas pressure in the breathing space; the air supply component is used to assist in supplying air to the breathing space; the control device is connected to the pressure sensor and the air supply component signal, and the control device can control the operation of the air supply component according to the gas pressure data detected by the pressure sensor; the power supply component 3 is used for power supply, specifically for powering electrical components such as the pressure sensor, the control device and the air supply component.

[0045] In this embodiment, an air supply component is provided on the mask body 1, which can assist in supplying air into the breathing space, thereby assisting the wearer in breathing and reducing the feeling of suffocation; moreover, a pressure sensor is also installed on the mask body 1. The pressure sensor senses the change of pressure in the breathing space, and can judge the wearer's inhalation and exhalation movements, and can monitor the wearer's breathing rhythm, frequency and intensity in real time. The pressure sensor transmits the collected data to the control device, and the control device calculates the required air volume and air supply timing according to the breathing rhythm and intensity, thereby realizing the adjustment of "follow-up breathing".

[0046] Furthermore, the filter element 204 in this embodiment adopts a corrugated filter element. Compared with the flat filter element 204, the corrugated structure greatly increases the overall surface area of ​​the filter element 204. Through corrugated folding, the surface of the filter element 204 can provide more filter layers under the same volume, and can accommodate more dust particles without rapid clogging; in addition, the corrugated structure provides a multi-layer folded "depth" path, which optimizes the airflow path. When the air flows through these corrugated layers, the particles have a greater chance of contacting the fibers of the filter element 204, thereby increasing the chance of capturing the particles; this deep filtration can improve the interception efficiency of particles, especially for tiny particles, which helps to enhance the electrostatic effect and physical interception effect, and the more particles are accommodated, the slower the clogging speed of the filter element 204. Therefore, this structure effectively improves the service life and dust holding capacity of the filter element 204.

[0047] In this embodiment, the control device can be selected according to specific work requirements, for example, it can be a control circuit board.

[0048] In this embodiment, the filter element components 2 are preferably provided with two, and the two filter element components 2 are respectively arranged on the two side edges of the mask body 1.

[0049] In this embodiment, the filter box mainly includes a filter box base 201, a filter box fixing cover 202 and a filter box upper cover 203. The filter box base 201 is detachably connected to the mask body 1, and a filter box outlet is provided on the filter box base 201, and the filter box outlet is connected to the breathing space; the filter element 204 is provided on the filter box base 201, and the filter box fixing cover 202 is detachably connected to the filter box base 201, for fixing the filter element 204 and facilitating the removal and replacement of the filter element 204, the filter box upper cover 203 is provided on the filter box fixing cover 202, and a filter box inlet is provided at the filter box upper cover 203 to realize air intake.

[0050] In this embodiment, an air inlet base 5 is further provided in the mask body 1, and an air inlet cavity is formed between the air inlet base 5 and the mask body 1, and the air supply assembly is arranged in the air inlet cavity; a vent 501 is provided on the air inlet base 5, and the vent 501 is connected with the filter box outlet, and an air intake valve plate is provided on the vent 501, wherein the number of the vents 501 corresponds to the number of the filter element assemblies 2, that is, a vent 501 is provided on both sides of the air inlet base 5, which are respectively connected with the filter box outlets of the filter boxes on both sides to realize air intake; wherein the vent 501 can be threadedly connected with the corresponding filter box outlet to realize the detachable filter box.

[0051] Furthermore, an internal valve sheet 7 is provided on the air inlet base 5, and the internal valve sheet 7 is a silicone valve sheet and is located on the top of the air inlet base 5; when the wearer inhales, the air pressure inside the mask body 1 will be lower than the external air pressure, and the air supply component will work, blowing the internal valve sheet 7 open through the airflow to allow the external air to enter the mask body 1; when the wearer exhales, the air pressure inside the mask body 1 will be higher than the external air pressure, the air supply component will not work, and the internal valve sheet 7 will always be in a closed state due to gravity to prevent air backflow.

[0052] In this embodiment, the air supply component can be a micro fan, which includes a motor and an impeller 6, wherein the impeller 6 is mounted on the output shaft of the motor, and the motor can drive the impeller 6 to rotate to achieve air supply. Further, the impeller 6 mainly includes a mounting plate 601 and blades 602, wherein the mounting plate 601 is mounted on the output shaft of the motor, and the blades 602 are fixed on the mounting plate 601; wherein the mounting plate 601 is preferably a conical plate, and the blades 602 are arc-shaped blades, and a plurality of the arc-shaped blades are evenly distributed along the circumference of the mounting plate 601, which can improve the air supply effect.

[0053] In this embodiment, the sound-permeable component 4 is a waterproof sound-permeable membrane, and the waterproof sound-permeable membrane is arranged on the upper side of the mask body 1; wherein, the waterproof sound-permeable membrane can be selected according to specific work needs, for example, a PEEK film can be selected, and smooth communication can also be ensured during the wearing process.

[0054] In this embodiment, an air outlet is provided at the bottom of the mask body 1, and the air outlet valve 10 is provided at the air outlet; wherein, the air outlet valve 10 is a one-way valve, and an air outlet upper cover 8 and an air outlet tail cover 9 are provided on the upper and lower sides of the one-way valve respectively; when the wearer inhales, the air outlet valve 10 will close, and the air outlet valve 10 will be tightly attached to the air outlet upper cover 8 due to the effect of the air pressure difference and remain sealed; when the wearer exhales, the air outlet valve 10 will open under the effect of pressure, so that the gas inside the mask body 1 can be discharged smoothly.

[0055] In this embodiment, the mask body 1 mainly includes a main shell and a mask 101. The mask 101 is arranged on the inner side of the main shell to fit the mouth and nose of the wearer. The mask 101 is preferably made of silicone material to better fit the mouth and nose of the wearer.

[0056] In this embodiment, the power supply component 3 is arranged at the lower outer side of the main shell, wherein the power supply component 3 includes a battery compartment 301 and a battery 302, wherein the battery compartment 301 is fixed on the main shell, and the battery 302 is arranged in the battery compartment 301, wherein the upper and lower sides of the battery 302 may be provided with a battery upper cover and a battery lower cover for protection.

[0057] In this embodiment, the main shell, the filter box, the battery compartment 301, the battery upper cover, the battery lower cover, etc. can all be made of ABS flame-retardant plastic, and the battery 302 is preferably an explosion-proof battery to improve the flame-retardant and explosion-proof performance, thereby improving the safety of use.

[0058] In this embodiment, the battery 302 may be an explosion-proof lithium battery, and two explosion-proof lithium batteries 302 may be connected in parallel, which can continuously work for more than 16 hours.

[0059] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. At the same time, for those skilled in the art, according to the ideas of the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. An intelligent air supply mask, comprising a mask body, wherein the mask body is used to cover the mouth and nose of the wearer to form a breathing space; characterized in that: Also included is a mask body: A filter element assembly, the filter element assembly is in communication with the breathing space and is used to filter the intake air, wherein the filter element assembly comprises a filter box and a filter element, the filter element is arranged in the filter box, and the filter element is a corrugated filter element; An air outlet valve, the air outlet valve is connected to the breathing space and is used for exhausting air; A sound-transmitting component, the sound-transmitting component is used for sound transmission; A pressure sensor, the pressure sensor is used to detect the gas pressure in the breathing space; An air supply component, the air supply component is used to assist in supplying air into the breathing space; A control device, the control device is connected to the pressure sensor and the air supply component by signal, and the control device can control the air supply component to work according to the gas pressure data detected by the pressure sensor; A power supply component is used for supplying power.

2. The intelligent air supply mask according to claim 1, characterized in that: The filter element components are provided with two, and the two filter element components are respectively arranged on the two side edges of the mask body.

3. The intelligent air supply mask according to claim 1 or 2, characterized in that: The filter box includes a filter box base, a filter box fixing cover and a filter box upper cover, the filter box base is detachably connected to the mask body, and a filter box outlet is provided on the filter box base, and the filter box outlet is communicated with the breathing space; the filter element is arranged on the filter box base, the filter box fixing cover is detachably connected to the filter box base, and is used to fix the filter element, the filter box upper cover is arranged on the filter box fixing cover, and a filter box inlet is provided at the filter box upper cover.

4. The intelligent air supply mask according to claim 3, characterized in that: An air inlet base is also provided in the mask body, an air inlet cavity is formed between the air inlet base and the mask body, and the air supply assembly is provided in the air inlet cavity; a vent is provided on the air inlet base, the vent is connected with the filter box outlet, an air inlet valve is provided on the vent, and an internal valve is also provided on the air inlet base; When inhaling, the air supply component works to blow the internal valve plate open, and when exhaling, the internal valve plate is in a closed state.

5. The intelligent air supply mask according to claim 1, characterized in that: The air supply component is a micro fan, which includes a motor and an impeller. The impeller is installed on the output shaft of the motor, and the motor can drive the impeller to rotate to achieve air supply.

6. The intelligent air supply mask according to claim 5, characterized in that: The impeller comprises a mounting plate and blades, wherein the mounting plate is mounted on the output shaft of the motor, and the blades are fixed on the mounting plate; Wherein, the mounting plate is a conical plate, the blades are arc-shaped blades, and a plurality of the arc-shaped blades are evenly distributed along the circumference of the mounting plate.

7. The intelligent air supply mask according to claim 1, characterized in that: The sound-permeable component is a waterproof sound-permeable membrane, wherein the waterproof sound-permeable membrane is arranged on the upper side of the mask body.

8. The intelligent air supply mask according to claim 1, characterized in that: An air outlet is arranged at the bottom of the mask body, and the air outlet valve is arranged at the air outlet; wherein, the air outlet valve is a one-way valve, and an air outlet upper cover and an air outlet tail cover are respectively arranged on the upper and lower sides of the one-way valve.

9. The intelligent air supply mask according to claim 1, characterized in that: The mask body comprises a main shell and a mask, wherein the mask is arranged on the inner side of the main shell and is used to fit the mouth and nose of the wearer; The power supply assembly is arranged at the lower outer portion of the main shell, wherein the power supply assembly includes a battery compartment and a battery, the battery compartment is fixed on the main shell, and the battery is arranged in the battery compartment.

10. The intelligent air supply mask according to claim 9, characterized in that: The main housing, the filter box and the battery compartment are all made of ABS flame-retardant plastic, and the mask is made of silicone; The battery is an explosion-proof battery.

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