CN112618984A - Dust filtering air supply type dust mask - Google Patents
Dust filtering air supply type dust mask Download PDFInfo
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- CN112618984A CN112618984A CN202110030566.9A CN202110030566A CN112618984A CN 112618984 A CN112618984 A CN 112618984A CN 202110030566 A CN202110030566 A CN 202110030566A CN 112618984 A CN112618984 A CN 112618984A
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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
- 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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Abstract
The invention discloses a dust-filtering air-supplying type dust mask which comprises a mask body, a processing seat and a power supply seat, wherein a first breathing tube and a second breathing tube are fixedly arranged on two sides of the mask body; a motor, a first hydraulic cylinder and a second hydraulic cylinder are fixedly installed in the processing seat at positions close to the middle, the motor is located between the first hydraulic cylinder and the second hydraulic cylinder, and the first hydraulic cylinder is located on one side of the second hydraulic cylinder; the invention can solve the problems that the dynamic adjustment cannot be carried out according to the air inlet condition and the breathing condition of the mask and the dustproof effect is poor.
Description
Technical Field
The invention relates to the technical field of masks, in particular to a dust-filtering air-supplying type dust mask.
Background
The dust mask is an indispensable protective article for workers engaged in dust contact. The method is mainly used for working environments containing low-concentration harmful gases and steam and working environments capable of generating dust. The filter box is only filled with an adsorbent or a sorbent. Some of the poison filtering boxes are also provided with a filtering layer which can prevent aerosol at the same time. Some military gas masks are mainly made of activated carbon cloth, or water-resistant and oil-resistant fabrics are used as outer layers, glass fiber filter materials are used as inner layers, polyurethane foam plastics soaked with activated carbon are used as bottom layers, and temporary protection can be provided when the military gas masks are suddenly attacked by toxic gas.
Patent publication No. CN111068197A discloses a dust-filtering air-supplying type dust mask for mining, which comprises a breathing mask, a dust-filtering air-supplying type dust mask and a dust-filtering air-supplying type dust mask, wherein the breathing mask covers the mouth and nose parts of a user, and a breathing exchange space is formed between the breathing mask and the mouth and nose parts of the user; the head tying belt is connected to the breathing mask and assists the breathing mask to cover the mouth and nose parts of the user in a mode of being fixed on the head, shoulders and neck of the user; the main body of the main machine is of a tubular structure, and a micro fan is arranged in the main machine; the filter is connected to one end part of the main body tubular structure of the main machine, and the main machine and the filter form an assembly body with a tubular main body; the assembly body is connected with the breathing mask to enable the breathing exchange space to be communicated with the main body pipe of the assembly body, the assembly body is arranged on the shoulder and neck of a user, and external air is driven by the micro fan to enter the host machine through the filter. This dust mask initiatively supplies air, and portable high-efficient. The invention also provides a test method of the dust mask.
The defects of the existing dust filtering and air supplying type dust mask comprise: the problem that the dynamic adjustment can not be carried out according to the air inlet condition and the breathing condition of the mask and the problem that the dustproof effect is not good.
Disclosure of Invention
The invention aims to provide a dust-filtering air-supplying type dust mask, which solves the technical problems that: how to solve can not carry out the problem of dynamic adjustment according to the condition of admitting air and the breathing condition of gauze mask among the current scheme to and the not good problem of dustproof effect.
The purpose of the invention can be realized by the following technical scheme:
a dust filtering and air supplying type dustproof mask comprises a mask body, a processing seat and a power supply seat, wherein a first breathing pipe and a second breathing pipe are fixedly installed on two sides of the mask body, a fixing rope is fixedly connected to the rear end of the mask body, a first connecting seat and a second connecting seat are fixedly installed at the upper end of the processing seat, the first connecting seat is located on one side of the second connecting seat, a first connecting pipe is connected between the first breathing pipe and the first connecting seat, and a second connecting pipe is connected between the second breathing pipe and the second connecting seat;
a motor, a first hydraulic cylinder and a second hydraulic cylinder are fixedly mounted in the processing seat at a position close to the middle, the motor is located between the first hydraulic cylinder and the second hydraulic cylinder, the first hydraulic cylinder is located at one side of the second hydraulic cylinder, a first filter element is mounted in the processing seat at a position close to one side, a second filter element is mounted in the processing seat at a position close to the other side, an air inlet cavity is formed in the processing seat at a position close to the lower side, the lower end of the motor is connected with a connecting column, the lower end of the connecting column is connected with a fan blade, and the fan blade is located in the air inlet cavity;
a connecting wire is connected between the processing seat and the power supply seat, and a storage battery is arranged in the power supply seat;
the processing seat comprises an acquisition module, an analysis module, a processing module and a control module.
As a further improvement of the invention: a first containing ring, a plurality of first limiting columns and a first positioning seat are arranged at a position close to one side in the processing seat, a plurality of first limiting columns are fixedly arranged at the upper end of the first containing ring, a plurality of first positioning seats are arranged at the upper end of the first limiting columns, a first sliding groove is arranged at one side of the first positioning seat close to the first limiting columns, the first limiting columns are connected with the first positioning seat in a sliding manner through the first sliding groove, a second containing ring, a plurality of second limiting columns and a second positioning seat are arranged at a position close to the other side in the processing seat, a plurality of second limiting columns are fixedly arranged at the upper end of the second containing ring, a plurality of second positioning seats are arranged at the upper end of the second limiting columns, a second sliding groove is arranged at one side of the second positioning seat close to the second limiting columns, and the second limiting columns are connected with the second positioning seats in a sliding manner through the second sliding groove, the first filter element and the second filter element are respectively provided with a plurality of filter holes, and the first filter element and the second filter element are arranged and distributed in an S shape.
As a further improvement of the invention: the lower extreme fixed mounting of first pneumatic cylinder has first hydraulic cylinder, and the lower extreme of first hydraulic cylinder is connected with first lift post, and first lift post and first accomodate and be connected with the fixed diaphragm of second between the ring, the lower extreme fixed mounting of second pneumatic cylinder has the second hydraulic cylinder, and the lower extreme of second hydraulic cylinder is connected with the second lift post, and second lift post and second accomodate and be connected with first fixed diaphragm between the ring, first accomodate the ring and reciprocate through the fixed diaphragm of second and first lift post, the ring is accomodate to the second and reciprocates through first fixed diaphragm and second lift post.
As a further improvement of the invention: the inner surface of the first limiting column is fixedly provided with a connecting ring, a plurality of connecting grooves are formed in the connecting ring, a plurality of sliding columns are arranged on the outer surface of the first filter element and are matched with the connecting grooves, and the first filter element is fixedly abutted against the first limiting column through the sliding columns and the connecting grooves.
As a further improvement of the invention: the utility model discloses a power supply seat, including processing seat, power supply seat, front end fixed mounting has the first splint of a plurality of, the front end fixed mounting of processing seat has a plurality of second splint, the lower extreme of processing the seat is connected with the division board, the upper end fixed mounting of division board has a plurality of card post, the position that the inside of processing the seat is close to the below is provided with a plurality of draw-in groove, card post and draw-in groove looks adaptation, be provided with a plurality of isolation hole on the division board.
As a further improvement of the invention: the acquisition module is used for acquiring air outlet information and air inlet information, and the air outlet information comprises air outlet flow data, air outlet frequency data and carbon dioxide data; the intake information includes intake air flow data and dust data; sending the air outlet information and the air inlet information to a data analysis module;
the analysis module is used for receiving the air outlet information and the air inlet information for analysis to obtain analysis information and sending the analysis information to the processing module;
the processing module is used for receiving and processing the analysis information to obtain processing information and sending the processing information to the control module;
the control module is used for receiving the processing information and controlling the inlet flow and the outlet flow through the motor, the first hydraulic cylinder and the second hydraulic cylinder.
As a further improvement of the invention: the analysis module is used for receiving the air outlet information and the air inlet information for analysis to obtain analysis information, and the specific steps comprise:
s71: receiving the air outlet information and the air inlet information, acquiring outlet air flow data, outlet air frequency data and carbon dioxide data in the air outlet information, marking the outlet air flow in the outlet air flow data as CL, marking the outlet air frequency in the outlet air frequency data as CP, and marking the carbon dioxide concentration in the carbon dioxide data as EN;
s72: carrying out normalization processing on the marked gas outlet flow, the gas outlet frequency and the carbon dioxide concentration and obtaining values, and obtaining the gas outlet regulating value by using a formula, wherein the formula is as follows:
wherein Q isctExpressing as a calling value, mu as a preset outlet gas correction factor, g1, g2 and g3 as preset different proportionality coefficients, CL0 as a preset standard outlet gas flow, CP0 as a preset standard outlet gas frequency, and EN0 as a preset standard carbon dioxide concentration frequency;
s73: performing descending order arrangement on the plurality of outgoing call values to obtain an outgoing call arrangement set;
s74: acquiring intake air flow data and dust data in the intake air information, marking the intake air flow in the intake air flow data as JL, and marking the dust concentration in the dust data as HN;
s75: carrying out normalization processing and value taking on the marked intake air flow and dust concentration, and obtaining the intake air adjustment value by using a formula, wherein the formula is as follows:
wherein Q isjtExpressed as a charging value, eta is expressed as a preset charging correction factor, a1 and g2 are expressed as preset different proportionality coefficients, and HN0 is expressed as a preset standard dust concentration;
s76: performing descending order arrangement on the plurality of pitch values to obtain a pitch ordering set;
s77: and combining the outgoing call sorting set and the incoming call sorting set to obtain analysis information.
As a further improvement of the invention: the processing module is used for receiving and processing the analysis information to obtain processing information, and the specific steps comprise:
s81: receiving a calling sorting set and a calling sorting set in the analysis information, matching calling values sorted in the calling sorting set with a preset standard calling threshold value, and if the calling values are not greater than the calling threshold value, judging that the air outlet is normal and generating a first air outlet signal; if the outgoing call value is larger than the outgoing call threshold value, judging that the outgoing air is abnormal and generating a second outgoing air signal; the first air outlet signal and the second air outlet signal form an air outlet adjusting set;
s82: matching the advanced tuning values sorted in the advanced tuning sorting set with a preset standard advanced tuning threshold, and if the advanced tuning values are not greater than the advanced tuning threshold, judging that air inlet is normal and generating a first air inlet signal; if the inlet adjustment value is larger than the outlet adjustment threshold value, judging that the air inlet is abnormal and generating a second air inlet signal; the first air inlet signal and the second air inlet signal form an air inlet adjusting set;
s83: and combining the air outlet regulation set and the air inlet regulation set to obtain processing information.
As a further improvement of the invention: control module is used for receiving the processing information and gives vent to anger to adjust the set and intake and adjust the set and carry out the analysis, if give vent to anger to adjust the concentrated second signal of giving vent to anger that contains, controls the flow of giving vent to anger through first pneumatic cylinder and second pneumatic cylinder, includes: the first lifting column is driven to move upwards through the first hydraulic cylinder and the first hydraulic column, the first containing ring and the first filter element are driven to move upwards through the first lifting column and the second fixed transverse plate, and the filter holes in the first filter element are contracted through upwards stretching the first filter element; the second lifting column is driven to move upwards through the second hydraulic cylinder and the second hydraulic column, the second containing ring and the second filter element are driven to move upwards through the second lifting column and the first fixed transverse plate, and the filter holes in the second filter element are contracted through upwards stretching the second filter element;
if the air intake adjustment contains the second air intake signal in a centralized manner, the air intake flow is controlled through the first hydraulic cylinder, the second hydraulic cylinder and the motor, and the method comprises the following steps: the rotating speed of the fan blades is adjusted through the motor and the connecting column; the first lifting column is driven to move downwards through the first hydraulic cylinder and the first hydraulic column, the first containing ring and the first filter element are driven to move downwards through the first lifting column and the second fixed transverse plate, and the filter holes in the first filter element are stretched by stretching the first filter element downwards; drive second lift post downstream through second pneumatic cylinder and second hydraulic column, drive the second through second lift post and first fixed diaphragm and accomodate the ring and the filter core downstream is crossed to the second, through crossing the filter core with the second and upwards tensile messenger second filter core inside filtration pore extension.
The beneficial effects brought by various aspects disclosed by the invention are as follows:
the treatment seat, the power supply seat, the first connecting pipe, the second connecting pipe and the mask body are matched for use, so that the flow and dust of the breathing gas can be adjusted and filtered; the breathing gas can be filtered by the aid of the first filter element and the second filter element, the flow of the gas in and out can be controlled by the aid of the motor and the fan blades, and the first hydraulic cylinder and the second hydraulic cylinder which are matched, the positions of the first limiting column and the second limiting column are limited by the aid of the first positioning seats and the second positioning seats, and the gas is conveyed conveniently by the aid of the air inlet cavity and the partition plate;
collecting air outlet information and air inlet information by using a collecting module, wherein the air outlet information comprises air outlet flow data, air outlet frequency data and carbon dioxide data; the intake information includes intake air flow data and dust data; sending the air outlet information and the air inlet information to a data analysis module;
the analysis module is used for receiving the air outlet information and the air inlet information for analysis to obtain analysis information, and the analysis information is sent to the processing module; the processing module is used for receiving and processing the analysis information to obtain processing information, and the processing information is sent to the control module; receiving processing information by using a control module and controlling the inlet flow and the outlet flow through a motor, a first hydraulic cylinder and a second hydraulic cylinder; through the matching use of the modules, the breathing smoothness and the filtering effect can be improved by adjusting according to the gas inlet and outlet conditions; the purpose of carrying out dynamic adjustment according to the condition of admitting air and the breathing condition of gauze mask can be reached, and then dustproof effect is improved.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a view showing a connecting structure of a dust filtering and blowing type dust mask according to the present invention;
FIG. 2 is a view showing the internal cross-sectional structure of the process bowl according to the present invention;
FIG. 3 is a top view of the first receiving ring of the present invention;
FIG. 4 is a block flow diagram of a process bowl of the present invention.
In the figure: 1. a mask body; 2. a processing seat; 3. a power supply base; 4. a first breathing tube; 5. a second breathing tube; 6. a first connecting pipe; 7. a second connecting pipe; 8. a first connecting seat; 9. a second connecting seat; 10. a connecting wire; 11. fixing a rope; 12. a first splint; 13. a second splint; 14. a motor; 15. connecting columns; 16. a fan blade; 17. a first hydraulic cylinder; 18. a second hydraulic cylinder; 19. an air inlet cavity; 20. a first receiving ring; 21. a second receiving ring; 22. a first limit post; 23. a second limit post; 24. a first filter element; 25. a second filter element; 26. a first positioning seat; 27. a second positioning seat; 28. a separator plate; 29. a first fixed transverse plate; 30. a connecting ring; 31. and connecting the grooves.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-4, a dust-filtering air-supplying type dust mask comprises a mask body 1, a processing seat 2 and a power supply seat 3, wherein a first breathing tube 4 and a second breathing tube 5 are fixedly installed at two sides of the mask body 1, a fixing rope 11 is fixedly connected with the rear end of the mask body 1, a first connecting seat 8 and a second connecting seat 9 are fixedly installed at the upper end of the processing seat 2, the first connecting seat 8 is located at one side of the second connecting seat 9, a first connecting tube 6 is connected between the first breathing tube 4 and the first connecting seat 8, and a second connecting tube 7 is connected between the second breathing tube 5 and the second connecting seat 9;
a motor 14, a first hydraulic cylinder 17 and a second hydraulic cylinder 18 are fixedly mounted in the processing seat 2 at a position close to the middle, the motor 14 is located between the first hydraulic cylinder 17 and the second hydraulic cylinder 18, the first hydraulic cylinder 17 is located at one side of the second hydraulic cylinder 18, a first filter element 24 is mounted in the processing seat 2 at a position close to one side, a second filter element 25 is mounted in the processing seat 2 at a position close to the other side, an air inlet cavity 19 is arranged in the processing seat 2 at a position close to the lower side, the lower end of the motor 14 is connected with a connecting column 15, the lower end of the connecting column 15 is connected with a fan blade 16, and the fan blade 16 is located in the air inlet cavity 19;
a connecting wire 10 is connected between the processing seat 2 and the power supply seat 3, and a storage battery is arranged in the power supply seat 3;
the processing seat 2 comprises an acquisition module, an analysis module, a processing module and a control module.
A first containing ring 20, a plurality of first limiting columns 22 and a first positioning seat 26 are arranged at a position close to one side in the processing seat 2, the plurality of first limiting columns 22 are fixedly arranged at the upper end of the first containing ring 20, the plurality of first positioning seats 26 are arranged at the upper end of the first limiting columns 22, a first sliding groove is arranged at one side of the first positioning seat 26 close to the first limiting columns 22, the first limiting columns 22 are connected with the first positioning seat 26 in a sliding manner through the first sliding groove, a second containing ring 21, a plurality of second limiting columns 23 and a second positioning seat 27 are arranged at a position close to the other side in the processing seat 2, the plurality of second limiting columns 23 are fixedly arranged at the upper end of the second containing ring 21, the plurality of second positioning seats 27 are arranged at the upper end of the second limiting columns 23, a second sliding groove is arranged at one side of the second positioning seat 27 close to the second limiting columns 23, the second limiting column 23 is slidably connected with the second positioning seat 27 through a second sliding chute, a plurality of filtering holes are respectively formed in the first filtering core 24 and the second filtering core 25, and the first filtering core 24 and the second filtering core 25 are arranged and distributed in an S shape; the first positioning seat 26 and the second positioning seat 27 are respectively used for accommodating and limiting the first filter element 24 and the second filter element 25 which move up and down.
The lower extreme fixed mounting of first pneumatic cylinder 17 has first hydraulic cylinder, and the lower extreme of first hydraulic cylinder is connected with first lift post, and first lift post and first accomodate and be connected with the fixed diaphragm of second between the ring 20, the lower extreme fixed mounting of second pneumatic cylinder 18 has the second hydraulic cylinder, and the lower extreme of second hydraulic cylinder is connected with the second lift post, and the second lift post is accomodate and is connected with first fixed diaphragm 29 between the ring 21 with the second, first accomodate ring 20 and reciprocate through the fixed diaphragm of second and first lift post, the second is accomodate ring 21 and reciprocates through first fixed diaphragm 29 and second lift post.
A connecting ring 30 is fixedly mounted on the inner surface of the first limiting column 22, a plurality of connecting grooves 31 are formed in the connecting ring 30, a plurality of sliding columns are arranged on the outer surface of the first filter element 24, the sliding columns are matched with the connecting grooves 31, and the first filter element 24 is fixedly abutted against the first limiting column 22 through the sliding columns and the connecting grooves 31; wherein, the height of the first filter element 24 is greater than that of the first limiting column 22, and the height of the second filter element 25 is greater than that of the second limiting column 23.
The utility model discloses a power supply seat, including processing seat 2, front end fixed mounting has the first splint 12 of a plurality of, the front end fixed mounting of power supply seat 3 has a plurality of second splint 13, the lower extreme of processing seat 2 is connected with division board 28, the upper end fixed mounting of division board 28 has a plurality of card post, the position that the inside of processing seat 2 is close to the below is provided with a plurality of draw-in groove, card post and draw-in groove looks adaptation, be provided with a plurality of isolation hole on the division board 28.
The acquisition module is used for acquiring air outlet information and air inlet information, and the air outlet information comprises air outlet flow data, air outlet frequency data and carbon dioxide data; the intake information includes intake air flow data and dust data; sending the air outlet information and the air inlet information to a data analysis module;
the analysis module is used for receiving the air outlet information and the air inlet information for analysis to obtain analysis information and sending the analysis information to the processing module;
the processing module is used for receiving and processing the analysis information to obtain processing information and sending the processing information to the control module;
the control module is used for receiving the processing information and controlling the inlet flow and the outlet flow through the motor 14 and the first hydraulic cylinder 17 and the second hydraulic cylinder 18.
The analysis module is used for receiving the air outlet information and the air inlet information for analysis to obtain analysis information, and the specific steps comprise:
receiving the air outlet information and the air inlet information, acquiring outlet air flow data, outlet air frequency data and carbon dioxide data in the air outlet information, marking the outlet air flow in the outlet air flow data as CL, marking the outlet air frequency in the outlet air frequency data as CP, and marking the carbon dioxide concentration in the carbon dioxide data as EN;
carrying out normalization processing on the marked gas outlet flow, the gas outlet frequency and the carbon dioxide concentration and obtaining values, and obtaining the gas outlet regulating value by using a formula, wherein the formula is as follows:
wherein Q isctExpressed as the output value, μ TableShowing as preset outlet gas correction factors, g1, g2 and g3 show as preset different proportionality coefficients, CL0 shows as preset standard outlet gas flow, CP0 shows as preset standard outlet gas frequency, and EN0 shows as preset standard carbon dioxide concentration frequency;
performing descending order arrangement on the plurality of outgoing call values to obtain an outgoing call arrangement set;
acquiring intake air flow data and dust data in the intake air information, marking the intake air flow in the intake air flow data as JL, and marking the dust concentration in the dust data as HN;
carrying out normalization processing and value taking on the marked intake air flow and dust concentration, and obtaining the intake air adjustment value by using a formula, wherein the formula is as follows:
wherein Q isjtExpressed as a charging value, eta is expressed as a preset charging correction factor, a1 and g2 are expressed as preset different proportionality coefficients, and HN0 is expressed as a preset standard dust concentration;
performing descending order arrangement on the plurality of pitch values to obtain a pitch ordering set;
and combining the outgoing call sorting set and the incoming call sorting set to obtain analysis information.
The processing module is used for receiving and processing the analysis information to obtain processing information, and the specific steps comprise:
receiving a calling sorting set and a calling sorting set in the analysis information, matching calling values sorted in the calling sorting set with a preset standard calling threshold value, and if the calling values are not greater than the calling threshold value, judging that the air outlet is normal and generating a first air outlet signal; if the outgoing call value is larger than the outgoing call threshold value, judging that the outgoing air is abnormal and generating a second outgoing air signal; the first air outlet signal and the second air outlet signal form an air outlet adjusting set;
matching the advanced tuning values sorted in the advanced tuning sorting set with a preset standard advanced tuning threshold, and if the advanced tuning values are not greater than the advanced tuning threshold, judging that air inlet is normal and generating a first air inlet signal; if the inlet adjustment value is larger than the outlet adjustment threshold value, judging that the air inlet is abnormal and generating a second air inlet signal; the first air inlet signal and the second air inlet signal form an air inlet adjusting set;
and combining the air outlet regulation set and the air inlet regulation set to obtain processing information.
The control module is used for receiving the processing information and analyzing the gas outlet regulation set and the gas inlet regulation set, if the gas outlet regulation set contains a second gas outlet signal, the gas outlet flow is controlled through the first hydraulic cylinder 17 and the second hydraulic cylinder 18, and the control module comprises: the first lifting column is driven to move upwards through the first hydraulic cylinder 17 and the first hydraulic column, the first containing ring 20 and the first filter element 24 are driven to move upwards through the first lifting column and the second fixed transverse plate, the upper end of the first filter element 24 is moved to the inside of the first positioning seat 26 by upwards stretching the first filter element 24, and the filter holes are contracted through extrusion; the second lifting column is driven to move upwards by the second hydraulic cylinder 18 and the second hydraulic column, the second containing ring 21 and the second filter element 25 are driven to move upwards by the second lifting column and the first fixing transverse plate 29, and the upper end of the second filter element 25 is moved to the inside of the second positioning seat 27 by upwards stretching the second filter element 25 and is extruded to shrink the filter holes;
if the intake adjustment set includes the second intake signal, the intake flow is controlled by the first hydraulic cylinder 17, the second hydraulic cylinder 18 and the motor 14, and the method includes: the rotating speed of the fan blades 16 is adjusted through the motor 14 and the connecting column 15; the first lifting column is driven to move downwards through the first hydraulic cylinder 17 and the first hydraulic column, the first containing ring 20 and the first filter element 24 are driven to move downwards through the first lifting column and the second fixed transverse plate, and the filter holes in the first filter element 24 are stretched by downwards stretching the first filter element 24; drive second lift post downstream through second hydraulic cylinder 18 and second hydraulic cylinder, drive the second through second lift post and first fixed diaphragm 29 and accomodate ring 21 and second and filter 25 downstream, make the inside filtration pore of second filter 25 extend through filtering second filter 25 to upwards tensile.
The working principle of the invention is as follows: in the embodiment of the invention, the isolation plate 28 is installed and separated with the processing base 2 through a plurality of clamping columns and clamping grooves, the fan blade 16 can be abutted and separated with the connecting column 15, the first filter element 24 and the second filter element 25 can be respectively installed and separated with the first receiving ring 20, the first limiting column 22, the second receiving ring 21 and the second limiting column 23, when the first filter element 24 and the second filter element 25 need to be installed and replaced, the isolation plate 28 and the fan blade 16 are disassembled and separated, the first filter element 24 passes through the air inlet cavity 19 and the first receiving ring 20 and is contacted with the first limiting column 22, the sliding column on the first filter element 24 is contacted with the connecting groove 31 on the connecting ring 30 and pushes the first filter element 24 upwards until the first filter element 24 is abutted and fixed with the first receiving ring 20 and the first limiting column 22, and the second filter element 25 is installed by the same operation, then, the fan blades 16 and the partition plate 28 are abutted and mounted, the mask body 1 is mounted on the face through the fixing rope 11, the processing seat 2 and the power supply seat 3 are respectively clamped on the waistband through a plurality of first clamping plates 12 and second clamping plates 13, the processing seat 2 is supplied with power through the power supply seat 3, and air enters and exits through the processing seat 2;
collecting air outlet information and air inlet information by using a collecting module, wherein the air outlet information comprises air outlet flow data, air outlet frequency data and carbon dioxide data; the intake information includes intake air flow data and dust data; sending the air outlet information and the air inlet information to a data analysis module;
the analysis module is used for receiving the air outlet information and the air inlet information for analysis to obtain analysis information, and the analysis information is sent to the processing module; the processing module is used for receiving and processing the analysis information to obtain processing information, and the processing information is sent to the control module;
utilize control module to receive the processing information and to give vent to anger to adjust the set and intake and adjust the set and carry out the analysis, if give vent to anger to adjust the concentrated second signal of giving vent to anger that contains, control the flow of giving vent to anger through first pneumatic cylinder 17 and second pneumatic cylinder 18, include: the first lifting column is driven to move upwards through the first hydraulic cylinder 17 and the first hydraulic column, the first containing ring 20 and the first filter element 24 are driven to move upwards through the first lifting column and the second fixed transverse plate, and the filter holes in the first filter element 24 are contracted through upwards stretching the first filter element 24; the second lifting column is driven to move upwards by the second hydraulic cylinder 18 and the second hydraulic column, the second containing ring 21 and the second filter element 25 are driven to move upwards by the second lifting column and the first fixed transverse plate 29, and the filter holes in the second filter element 25 are contracted by upwards stretching the second filter element 25;
if the intake adjustment set includes the second intake signal, the intake flow is controlled by the first hydraulic cylinder 17, the second hydraulic cylinder 18 and the motor 14, and the method includes: the rotating speed of the fan blades 16 is adjusted through the motor 14 and the connecting column 15; the first lifting column is driven to move downwards through the first hydraulic cylinder 17 and the first hydraulic column, the first containing ring 20 and the first filter element 24 are driven to move downwards through the first lifting column and the second fixed transverse plate, and the filter holes in the first filter element 24 are stretched by downwards stretching the first filter element 24; the second lifting column is driven to move downwards by the second hydraulic cylinder 18 and the second hydraulic column, the second containing ring 21 and the second filter element 25 are driven to move downwards by the second lifting column and the first fixed transverse plate 29, and the filter holes in the second filter element 25 are extended by upwards stretching the second filter element 25; through the matching use of the modules, the breathing smoothness and the filtering effect can be improved by adjusting according to the gas inlet and outlet conditions; the purpose of carrying out dynamic adjustment according to the condition of admitting air and the breathing condition of gauze mask can be reached, and then dustproof effect is improved.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. The dust filtering and air supplying type dustproof mask is characterized by comprising a mask body (1), a processing seat (2) and a power supply seat (3), wherein a first breathing pipe (4) and a second breathing pipe (5) are fixedly mounted on two sides of the mask body (1), a fixing rope (11) is fixedly connected to the rear end of the mask body (1), a first connecting seat (8) and a second connecting seat (9) are fixedly mounted at the upper end of the processing seat (2), the first connecting seat (8) is located on one side of the second connecting seat (9), a first connecting pipe (6) is connected between the first breathing pipe (4) and the first connecting seat (8), and a second connecting pipe (7) is connected between the second breathing pipe (5) and the second connecting seat (9);
a motor (14), a first hydraulic cylinder (17) and a second hydraulic cylinder (18) are fixedly mounted at a position, close to the middle, in the processing seat (2), the motor (14) is located between the first hydraulic cylinder (17) and the second hydraulic cylinder (18), the first hydraulic cylinder (17) is located at one side of the second hydraulic cylinder (18), a first filter element (24) is mounted at a position, close to one side, in the processing seat (2), a second filter element (25) is mounted at a position, close to the other side, in the processing seat (2), an air inlet cavity (19) is formed in a position, close to the lower side, in the processing seat (2), the lower end of the motor (14) is connected with a connecting column (15), the lower end of the connecting column (15) is connected with fan blades (16), and the fan blades (16) are located in the air inlet cavity (19);
a connecting wire (10) is connected between the processing seat (2) and the power supply seat (3), and a storage battery is arranged in the power supply seat (3);
the processing seat (2) comprises an acquisition module, an analysis module, a processing module and a control module.
2. The dust-filtering air-supplying type dust mask according to claim 1, wherein a first receiving ring (20), a plurality of first position-limiting pillars (22) and a first positioning seat (26) are disposed inside the processing seat (2) near one side, the plurality of first position-limiting pillars (22) are fixedly mounted on the upper end of the first receiving ring (20), the plurality of first positioning seats (26) are disposed on the upper end of the first position-limiting pillars (22), a first sliding groove is disposed on one side of the first positioning seat (26) near the first position-limiting pillars (22), the first position-limiting pillars (22) are slidably connected with the first positioning seat (26) through the first sliding groove, a second receiving ring (21), a plurality of second position-limiting pillars (23) and a second positioning seat (27) are disposed inside the processing seat (2) near the other side, and the plurality of second position-limiting pillars (23) are fixedly mounted on the upper end of the second receiving ring (21), the second positioning seats (27) are arranged at the upper ends of the second limiting columns (23), second sliding grooves are formed in one sides, close to the second limiting columns (23), of the second positioning seats (27), the second limiting columns (23) are connected with the second positioning seats (27) in a sliding mode through the second sliding grooves, a plurality of filtering holes are formed in the first filtering cores (24) and the second filtering cores (25), and the first filtering cores (24) and the second filtering cores (25) are distributed in an S-shaped arrangement mode.
3. The dust-filtering air-supplying dust mask according to claim 1, wherein a first hydraulic cylinder is fixedly mounted at the lower end of the first hydraulic cylinder (17), a first lifting column is connected to the lower end of the first hydraulic cylinder, a second fixing transverse plate is connected between the first lifting column and the first accommodating ring (20), a second hydraulic cylinder is fixedly mounted at the lower end of the second hydraulic cylinder (18), a second lifting column is connected to the lower end of the second hydraulic cylinder, a first fixing transverse plate (29) is connected between the second lifting column and the second accommodating ring (21), the first accommodating ring (20) moves up and down through the second fixing transverse plate and the first lifting column, and the second accommodating ring (21) moves up and down through the first fixing transverse plate (29) and the second lifting column.
4. The dust-filtering air-supplying type dust mask according to claim 2, wherein the inner surface of the first position-limiting post (22) is fixedly provided with a connecting ring (30), the connecting ring (30) is internally provided with a plurality of connecting grooves (31), the outer surface of the first filter element (24) is provided with a plurality of sliding columns, the sliding columns are matched with the connecting grooves (31), and the first filter element (24) is fixedly abutted against the first position-limiting post (22) through the sliding columns and the connecting grooves (31).
5. The dust-filtering air-supplying type dust mask according to claim 1, wherein a plurality of first clamping plates (12) are fixedly mounted at the front end of the processing seat (2), a plurality of second clamping plates (13) are fixedly mounted at the front end of the power supply seat (3), the lower end of the processing seat (2) is connected with a separation plate (28), a plurality of clamping columns are fixedly mounted at the upper end of the separation plate (28), a plurality of clamping grooves are formed in the position, close to the lower part, inside the processing seat (2), and are matched with the clamping grooves, and a plurality of separation holes are formed in the separation plate (28).
6. The dust-filtering air-supplying dust mask according to claim 1, wherein the collecting module is configured to collect air outlet information and air inlet information, and the air outlet information includes air outlet flow data, air outlet frequency data, and carbon dioxide data; the intake information includes intake air flow data and dust data; sending the air outlet information and the air inlet information to a data analysis module;
the analysis module is used for receiving the air outlet information and the air inlet information for analysis to obtain analysis information and sending the analysis information to the processing module;
the processing module is used for receiving and processing the analysis information to obtain processing information and sending the processing information to the control module;
the control module is used for receiving the processing information and controlling the inlet flow and the outlet flow through the motor (14), the first hydraulic cylinder (17) and the second hydraulic cylinder (18).
7. The dust-filtering air-supplying dust mask according to claim 6, wherein the analyzing module is configured to receive the air outlet information and the air inlet information for analysis to obtain the analysis information, and the analyzing module specifically comprises:
s71: receiving the air outlet information and the air inlet information, acquiring outlet air flow data, outlet air frequency data and carbon dioxide data in the air outlet information, marking the outlet air flow in the outlet air flow data as CL, marking the outlet air frequency in the outlet air frequency data as CP, and marking the carbon dioxide concentration in the carbon dioxide data as EN;
s72: carrying out normalization processing on the marked gas outlet flow, the gas outlet frequency and the carbon dioxide concentration and obtaining values, and obtaining the gas outlet regulating value by using a formula, wherein the formula is as follows:
wherein Q isctExpressing as a calling value, mu as a preset outlet gas correction factor, g1, g2 and g3 as preset different proportionality coefficients, CL0 as a preset standard outlet gas flow, CP0 as a preset standard outlet gas frequency, and EN0 as a preset standard carbon dioxide concentration frequency;
s73: performing descending order arrangement on the plurality of outgoing call values to obtain an outgoing call arrangement set;
s74: acquiring intake air flow data and dust data in the intake air information, marking the intake air flow in the intake air flow data as JL, and marking the dust concentration in the dust data as HN;
s75: carrying out normalization processing and value taking on the marked intake air flow and dust concentration, and obtaining the intake air adjustment value by using a formula, wherein the formula is as follows:
wherein Q isjtExpressed as a charging value, eta is expressed as a preset charging correction factor, a1 and g2 are expressed as preset different proportionality coefficients, and HN0 is expressed as a preset standard dust concentration;
s76: performing descending order arrangement on the plurality of pitch values to obtain a pitch ordering set;
s77: and combining the outgoing call sorting set and the incoming call sorting set to obtain analysis information.
8. The dust-filtering air-supplying dust mask according to claim 6, wherein the processing module is configured to receive the analysis information and process the analysis information to obtain the processing information, and the specific steps include:
s81: receiving a calling sorting set and a calling sorting set in the analysis information, matching calling values sorted in the calling sorting set with a preset standard calling threshold value, and if the calling values are not greater than the calling threshold value, judging that the air outlet is normal and generating a first air outlet signal; if the outgoing call value is larger than the outgoing call threshold value, judging that the outgoing air is abnormal and generating a second outgoing air signal; the first air outlet signal and the second air outlet signal form an air outlet adjusting set;
s82: matching the advanced tuning values sorted in the advanced tuning sorting set with a preset standard advanced tuning threshold, and if the advanced tuning values are not greater than the advanced tuning threshold, judging that air inlet is normal and generating a first air inlet signal; if the inlet adjustment value is larger than the outlet adjustment threshold value, judging that the air inlet is abnormal and generating a second air inlet signal; the first air inlet signal and the second air inlet signal form an air inlet adjusting set;
s83: and combining the air outlet regulation set and the air inlet regulation set to obtain processing information.
9. The dust filtering air-supplying dust mask according to claim 6, wherein the control module is configured to receive the processing information and analyze the outlet air conditioning set and the inlet air conditioning set, and if the outlet air conditioning set contains a second outlet air signal, the control module controls the outlet air flow through the first hydraulic cylinder (17) and the second hydraulic cylinder (18), and comprises: the first lifting column is driven to move upwards through the first hydraulic cylinder (17) and the first hydraulic column, the first containing ring (20) and the first filter element (24) are driven to move upwards through the first lifting column and the second fixed transverse plate, and the filter holes in the first filter element (24) are contracted through upwards stretching the first filter element (24); the second lifting column is driven to move upwards through the second hydraulic cylinder (18) and the second hydraulic column, the second containing ring (21) and the second filter element (25) are driven to move upwards through the second lifting column and the first fixed transverse plate (29), and the second filter element (25) is stretched upwards to enable filter holes in the second filter element (25) to shrink;
if the air intake adjustment set comprises a second air intake signal, the air intake flow is controlled through a first hydraulic cylinder (17), a second hydraulic cylinder (18) and a motor (14), and the method comprises the following steps: the rotating speed of the fan blades (16) is adjusted through the motor (14) and the connecting column (15); the first lifting column is driven to move downwards through the first hydraulic cylinder (17) and the first hydraulic column, the first containing ring (20) and the first filter element (24) are driven to move downwards through the first lifting column and the second fixed transverse plate, and the filter holes in the first filter element (24) are stretched downwards through stretching the first filter element (24); drive second lift post downstream through second pneumatic cylinder (18) and second hydraulic column, drive through second lift post and first fixed diaphragm (29) and accomodate ring (21) and second and filter core (25) downstream, filter core (25) upwards tensile make the second filter core (25) inside filtration pore extension through filtering the second.
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| CN202110030566.9A CN112618984B (en) | 2021-01-11 | 2021-01-11 | Dust filtering air supply type dust mask |
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| CN202110030566.9A CN112618984B (en) | 2021-01-11 | 2021-01-11 | Dust filtering air supply type dust mask |
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| CN112618984B (en) | 2021-10-26 |
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