CN106889678A - A kind of intelligent constant-temperature mouth mask - Google Patents
A kind of intelligent constant-temperature mouth mask Download PDFInfo
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- CN106889678A CN106889678A CN201710303070.8A CN201710303070A CN106889678A CN 106889678 A CN106889678 A CN 106889678A CN 201710303070 A CN201710303070 A CN 201710303070A CN 106889678 A CN106889678 A CN 106889678A
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- temperature
- mouth mask
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Textile Engineering (AREA)
- Air Conditioning Control Device (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The present invention discloses a kind of intelligent constant-temperature mouth mask, the semiconductor chilling plate of refrigerating/heating is carried out through the wind of mouth mask including convection current, the fin in the cold end of semiconductor chilling plate and hot junction is arranged on, is located on mouth mask, air outlet fin and temperature sensor between air inlet fan backing and mouth mask inner chamber, three-temperature sensor is respectively used to gather mouth mask, the temperature of fin and gathers the temperature of the air after heated/refrigeration and produce temperature signal to send main control MCU to;Main control MCU is set by lower limit temperature and ceiling temperature, and main control MCU surveys environment temperature and produces heating signal less than lower limit temperature in response to temperature sensor, and is surveyed ambient temperature signal in response to temperature sensor and be higher than ceiling temperature and produce cooling signals;Constant temperature drive circuit, the heating signal/cooling signals received according to main control MCU overturn semiconductor refrigerating plate electrode, so that cold end and hot junction matching response and refrigerating/heating;Also include that by main control MCU speed regulating control be the fan of mouth mask air-supply/exhaust.
Description
Technical field
The present invention relates to intelligent mouth mask technical field, especially a kind of intelligent constant-temperature mouth mask.
Background technology
With industrial expansion, the amblent air temperature of the earth there occurs huge change, and the people's everyday environments for making become
Obtain worse and worse.In actual life, it apart from people's life is also recently a kind of environment maximum on people's life influence that " haze " is
Change.The appearance of " haze ", most directly influence is the traffic trip for influenceing people, and in indirect and permanent influence, at " haze "
In the environment of live, various diseases also give birth to therewith, and most common is exactly breathing problem, and rhinitis is exactly wherein to protrude the most
" representative ".
Because virus infection or the nasal membrane inflammation that causes of disease at other positions of body, rhinitis annoyings rhinitis
This social partial mass, nasal cavity seems an air regulator in human body, and it can not only perceive various smells,
Play the filtration of " ventilation ";Exactly haze of northern winter season prevailing, weather not only has haze, and terribly cold, commonly
Electric mask to consumer bring the awkward condition that cold air attacks nose simultaneously solving the problems, such as haze, in order to avoid
It is too cold to there is breathing problem crowd to bring secondary injury, it also carries out constantly heat treatment to the air for sucking in;In nasal cavity
Mucous membrane can experience gas into nasal cavity, the especially mucous membrane of concha, if mucous membrane is injured or is damaged, it is " empty
Adjust " effect will weaken, will feel during breathing one cool breeze directly thorn in lung because nose it be unable to heating and moistening
, it is this to feel to be very difficult to what is received, here it is the sore spot of " empty nose disease " patient.Winter, cold weather and drying, especially
In outdoor, the air of " empty nose disease patient " incoming call is too cold, the excessive cold air of incoming call, has great shadow to respiratory tract and lung
Ring.And current mouth mask can only block cold wind under arctic weather, for patients with rhinitis, protection nose well is not had
The effect in chamber.
Therefore, Chinese patent:A kind of constant temperature mouth mask (patent No.:201510504268.3) a kind of solution is just disclosed existing
The technical scheme of the problem that can not very well protect nasal cavity of the presence of mouth mask.
But for the mouth mask disclosed by above-mentioned patent and common mouth mask of the prior art:In winter or cold season
Section, the gas of wearer's exhalation easily forms steam and causes " breathing out " phenomenon, meanwhile, existing electric mask is matching air-supply effect
Really, air blowing function is also usually opened when winter uses, and uses powered supplied air, when temperature is low, feeding cold wind allows people to be easier sense
Rhinitis is emitted and triggers, and human body breathes Cryogenic air, some the more serious breathing problems that can be brought for a long time.
The content of the invention
The technical problem of solution of the invention is directed to the defect of above-mentioned presence of the prior art, provides a kind of intelligent constant
Warm mouth mask, the intelligent constant-temperature mouth mask uses Single-chip Controlling, and multi-temperature sensor collecting temperature automatically adjusts mouth mask air inlet temperature
The constant temperature range needed in suitable human body of degree, many gears of intake are optional, adapt to the demand of different crowd breathing.
To solve above-mentioned technical problem, the technical scheme that the present invention takes is as follows:A kind of intelligent constant-temperature mouth mask, including:
Semiconductor chilling plate, semiconductor chilling plate has cold end and the hot junction of activity conversion, and to flowing through the air of the mouth mask
Carry out matching refrigerating/heating;
Fin, the cold end of semiconductor chilling plate and hot junction are all provided with a fin, and two fin are located at described respectively in position
On the air inlet and air outlet of mouth mask, and it is respectively used to be pointed to the cold end/hot-side heat dissipation of air inlet side and absorbs be located at air-out
The heat in the cold end/hot junction of mouth side;
Temperature sensor, on the mouth mask, on the fin of air outlet and air inlet fin and the mouth mask inner chamber between
A temperature sensor is equipped with, temperature sensor described in three is respectively used to collection environment, the temperature of the fin of air outlet and adopts
Collect the temperature through the air after the cold end/hot junction refrigerating/heating of air inlet side and produce temperature signal to send main control MCU to;
Main control MCU, is configured with the lower limit temperature and ceiling temperature of setting in it, the main control MCU is in response to being installed in the mouth
The temperature signal of the temperature sensor transmission on cover produces heating signal less than lower limit temperature, and in response to being installed in the mouth
The temperature signal of the temperature sensor transmission on cover produces the cooling signals higher than the ceiling temperature;
Constant temperature drive circuit, electrically connects with main control MCU and semiconductor chilling plate, and the signal/system received according to the main control MCU
Cold signal overturns the semiconductor refrigerating plate electrode, so that cold end and hot junction matching response and refrigerating/heating；
Power supply circuit, the power supply circuit includes lithium battery, lithium cell charging module and boost module, the lithium cell charging module
For being the lithium cell charging, and the lithium battery out-put supply and match the boosting of the boost module mouth mask is provided
The power supply of work；
Fan, is installed on the air inlet position of the mouth mask and by main control MCU speed regulating control for the mouth mask is blown.
It is expanded on further as to above-mentioned technical proposal：
In the above-mentioned technical solutions, also including button, the button includes opening/stopping button and mode key;It is described open/stop button
On/off and fan speed-regulating for controlling the mouth mask, the mode key are used to be turned on and off the semiconductor system
Cold refrigerating/heating.
In the above-mentioned technical solutions, also including filtering module, the filtering module is installed on air inlet position, and for right
The air for sucking the mouth mask by the fan is filtered, is sterilized and sterilized.
In the above-mentioned technical solutions, also including the unidirectional air outlet valve being installed at air outlet position, the fan aspirated mistake
Many and/or user unidirectional air outlet valve matching unlatching when exhaling, the air of the isolation feeding mouth mask and the gas of discharge enter
Row mixing.
In the above-mentioned technical solutions, the main control MCU is HT66F30 model single-chip microcomputers.
In the above-mentioned technical solutions, the fan is turbine centrifugal fan.
In the above-mentioned technical solutions, the temperature sensor is NTC temperature sensors.
In the above-mentioned technical solutions, the lithium cell charging module of the power supply circuit includes TP4056 chargings IC with matching
Periphery resistance capacitance, the input voltage positive input terminal of the TP4056 chargings IC（VCC）With power supply (GND) connect USB respectively
The positive pole and negative pole of power supply terminal, with the lithium battery altogether, the positive pole electrical connection of the lithium battery is described for its power supply ground (GND)
The battery terminal connections (BAT+) of TP4056 chargings IC, the battery charging complete of the TP4056 chargings IC indicates port (STDBY)
Also electrically connected with I/O mouthfuls of the U2-3 data of the main control MCU, after the completion of the lithium cell charging, the TP4056 chargings IC hairs
Send charging completion signal to the main control MCU.
In the above-mentioned technical solutions, the boost module of the power supply circuit includes the periphery electricity of MP3429 boosting IC and matching
Resistance electric capacity, be serially connected between the power input port (VIN) and the positive pole of the lithium battery of MP3429 boosting IC by
The ON-OFF control circuit that the resistance capacitance of AO4453 switching tubes, S8050 triodes and matching is constituted, wherein, the AO4453 is opened
The source electrode (S) for closing pipe electrically connects the positive pole of the lithium battery, and its drain electrode (D) electrically connects the power input of the MP3429 boostings IC
Port (VIN), its grid（G）Concatenate the positive pole that a current-limiting resistance connects the lithium battery；And the current collection of the S8050 triodes
Pole (c) is electrically connected by concatenating a resistance with the grid (G) of the AO4453 switching tubes, and its base stage (b) concatenates resistance connection
I/O mouthfuls of the U2-12 data of the main control MCU, its emitter-base bandgap grading (e) pulls down to ground, and the main control MCU is through the I/O mouthfuls of output of U2-12 data
Low and high level, makes the S8050 triodes, AO4453 switching tubes sequentially turn on/end, and MP3429 boosting IC matchings are opened
It is dynamic/to stop boosting work;The output port of power source (OUT) and feedback port (FB) of the MP3429 boostings IC then match electrical connection
The constant temperature drive circuit, and the supply voltage of mesh power output is provided.
In the above-mentioned technical solutions, the constant temperature drive circuit includes that multichannel power match branch road and electrode upset drive electricity
Road;
Wherein, the multichannel power match branch road is by opening that NPN3904 triodes are constituted per power match branch road all the way
Powered-down road, the colelctor electrode (b) of every NPN3904 triodes concatenates the feedback port that a resistance electrically connects the MP3429 boostings IC
, and the colelctor electrode (b) of the NPN3904 triodes also electrically connects the positive pole of electrode upset drive circuit and described (FB)
The output port of power source (OUT) of MP3429 boostings IC, base stage (c) concatenation one resistance and the master of the NPN3904 triodes
The one data I/O mouthfuls of electrical connection of control MCU, the main control MCU is controlled corresponding by the data I/O mouthfuls of output low and high level for matching
The NPN3904 triode ONs of power match branch road, make output port of power source (OUT) output matching of the MP3429 boostings IC
Supply voltage for the electrode overturn drive circuitry；
The electrode reverse circuit includes first electrode branch road and second electrode branch road in parallel, the first electrode branch road and the
Two electrode branch are including the AO4453 metal-oxide-semiconductors and AO4404B metal-oxide-semiconductors of concatenation, and first electrode branch road and second electrode branch
Output port of power source (OUT) of the source electrode (S) of the AO4453 metal-oxide-semiconductors on road with MP3429 boostings IC is connected, and two
The drain electrode (D) of AO4453 metal-oxide-semiconductors is connected with two electrodes of the semiconductor chilling plate respectively, the grid of two AO4453 metal-oxide-semiconductors
(G) resistance of connecting is connected to the output port of power source (OUT) of the MP3429 boostings IC, and first electrode branch road/the second
The grid (G) of the AO4453 metal-oxide-semiconductors of electrode branch also connect after a resistance with second electrode branch road/first electrode branch road
The AO4453 metal-oxide-semiconductors drain electrode (D) connection;The AO4404B metal-oxide-semiconductors of the first electrode branch road and second electrode branch road
Drain electrode (D) connected with the drain electrode (D) of the AO4453 metal-oxide-semiconductors of corresponding branch road, and each AO4404B metal-oxide-semiconductors
Source electrode (S) be all connected to ground, and concatenated between the grid (G) of every AO4404B metal-oxide-semiconductors and the source electrode (S) of its own
The grid (G) of the AO4404B metal-oxide-semiconductors of pull-up resistor, the first electrode branch road and second electrode branch road also concatenates resistance difference
It is connected to I/0 mouthfuls of I/O mouthfuls of the U2-16 data and U2-17 data of the main control MCU;I/O mouthfuls of the U2-16 data of the main control MCU
Or I/0 mouthfuls of U2-17 data output low and high level, the AO4404B metal-oxide-semiconductors of the first electrode branch road/second electrode branch road and
AO4453 metal-oxide-semiconductors are sequentially turned on, and the first electrode branch road/second electrode branch road is defined as positive electrode branch road, and to described
Second electrode branch road/first electrode branch road is then defined as negative electrode branch road;The first electrode branch road and second electrode branch road are handed over
For upset, make the cold end/hot junction matching work of the semiconductor chilling plate and the wind of the feeding mouth mask freeze/add
Heat.
The beneficial effects of the present invention are:Intelligent constant-temperature mouth mask of the invention uses Single-chip Controlling, multi-temperature sensor
Collecting temperature, automatically adjusts the constant temperature range needed in suitable human body of mouth mask intake air temperature, and many gears of intake are optional;
The advantage of intelligent constant-temperature mouth mask of the invention is as follows:
One is, with haze, it is deodorant, sterilized, except formaldehyde, except ozone filtering module, can haze, dust suction, except stink, kill
Bacterium, elimination formaldehyde pollution and ozone pollution;
Two are, using low energy consumption, air quantity high, low noise turbine centrifugal fan, make wearer remain breathing it is smooth, solve
Common mouth mask puts on the problems such as vexed, hot, respiratory resistance is big；
Three are, the air outlet of mouth mask is provided with unidirectional air outlet valve, and the unidirectional air outlet valve sucks many residual air of superman's body and/or makes in fan
User's unidirectional air outlet valve matching unlatching when exhaling, when people's air-breathing, unidirectional air outlet valve matching is closed, so as to ensure wearer
Each air-breathing is all by the air after filtering;
Four are, mouth mask is equipped with air inlet can be heated/cooling piece and fin of refrigerating function, and can be pumped into fan in time
Air heating/refrigerating, so as to the temperature that ensure that mouth mask air inlet is maintained in the range of suitable human body respiration;Improve simultaneously existing
Have in all mouth masks and breathe out（Steam）Problem, keeps dry and comfortable cleaning in mouth mask；
Five are, the waste gas that mouth mask is discharged by unidirectional air outlet valve, will also be by the cold end/hot junction of cooling piece and the radiating of matching
Device, such that it is able to further improve the performance of cooling piece, more effectively ensures cooling piece normal work；
Six are, mouth mask architrave part sets flexible glue, architrave good sealing effect.
Brief description of the drawings
Fig. 1 is the structured flowchart of intelligent constant-temperature mouth mask of the present invention；
Fig. 2 is the circuit theory diagrams of intelligent constant-temperature mouth mask of the present invention.
Specific embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
A kind of accompanying drawing 1-2 examples specific embodiment of the invention.Before the mouth mask to the application is specifically addressed, this
Specification is first illustrated to the construction and operation principle of the required semiconductor chilling plate of the application mouth mask:Semiconductor chilling plate
（TE）Also thermoelectric module is, is a kind of heat pump, its advantage is no slide unit, applies and is restricted in some spaces,
Reliability requirement is high, the occasion without refrigerant pollution.The work operating of semiconductor chilling plate is to use DC current, and it can both freeze
Can heat again, determine to realize refrigeration on same cooling piece by changing the polarity of DC current or heat, this effect
Generation is exactly by the principle of thermoelectricity.Cooling piece is made up of two panels potsherd in practice, the semiconductor for having N-type and p-type in the middle of it
Material（Bismuth telluride）, this semiconductor element is to be linked to constitute with cascade on circuit.The work of semiconductor chilling plate is former
Reason is:When one piece of N-type semiconductor material and one piece of p-type semiconductor material are coupled to galvanic couple pair, connect in this circuit straight
After stream electric current, the transfer of energy can be just produced, electric current absorbs heat by the joint that N-type element flows to p-type element, as cold end,
And heat is discharged by the joint that p-type element flows to N-type element, as hot junction.
Refer to the attached drawing 1-2, a kind of specific embodiment of intelligent constant-temperature mouth mask, it include semiconductor chilling plate 1, fin 2,
Temperature sensor 3, main control MCU 4, constant temperature drive circuit, fan 5, power supply circuit, button 6, filtering module 7 and unidirectional air outlet valve
8.Wherein, the power supply circuit includes lithium battery, lithium cell charging module and boost module, and the lithium cell charging module is used for
It is the lithium cell charging, and the lithium battery out-put supply and matches the boosting of the boost module mouth mask work is provided
Power supply;The fan 5 is installed on the air inlet position of the mouth mask, and the fan 5 drives speed governing by the main control MCU 4
Rotate and extraneous air is sucked into the mouth mask, in the present embodiment, the preferred turbine centrifugal fan of the fan 5;The filter module
Block 7 is also to be installed on the air inlet position of the mouth mask, and the filtering module 7 is mounted in the outer end of the fan 5, institute
State filtering module 7 be provided with include haze, it is deodorant, sterilized, except formaldehyde, the film except functions such as ozone, filter grid and sterilization
Device, the filtering module 7 is configured to carry out the wind for sucking the mouth mask by the fan 5 in position and functionally
The wind of filter, sterilization and sterilized, that is, mask for inhalation first pass through filtering module 7 filter, sterilized and sterilization, pass through fan 5 and
Mask for inhalation inner chamber;The semiconductor chilling plate 1 is in position and just right with the air inlet and air outlet of the mouth mask, while
The rear portion of the filtering module 7 and fan 5 is also located on position, so as in fan 5 by extraneous air from air inlet mask for inhalation
And the wind energy after filtering modular filtration flows through the semiconductor chilling plate 1;And the semiconductor chilling plate 1 has and movable can turn
The cold end 101 changed and hot junction 102, and air to flowing through the mouth mask carries out matching refrigerating/heating;Particularly, when described
The end corresponding with the air inlet of semiconductor chilling plate 1 be cold end 101 when, semiconductor chilling plate 1 it is corresponding with air outlet
One end then correspond to hot junction 102, now, after being filtered along the air elder generation filtering module 7 that air inlet sucks the mouth mask by fan 5
Flow through fan 5 until the cold end 101 of the semiconductor chilling plate 1 to enter shape cold, and now, the semiconductor chilling plate 1
Hot junction then to that should be heated to the waste gas of expiratory port cover, avoids mouth mask from " breathing out " occur；Otherwise, when the semiconductor chilling plate
When 1 end corresponding with the air inlet is hot junction 102, one end corresponding with air outlet of semiconductor chilling plate 1 is then cold
End 101, now, after being filtered along the air elder generation filtering module 7 that air inlet sucks the mouth mask by fan 5 flowing through fan 5 until
Shape heat is entered in the hot junction 102 of the semiconductor chilling plate 1, and now, the cold end of the semiconductor chilling plate 1 is then breathed out to reply
The waste gas of mouth mask carries out cooling refrigeration, equally avoids mouth mask from " breathing out " occur;The unidirectional air outlet valve 8 is to be installed in the air-out
On mouth position, when the suction of the fan 5 exceedes human body respiration amount and/or user exhales, the unidirectional air outlet valve 8 is matched
Open, the wind of the isolation feeding mouth mask is mixed with the gas discharged, so as to ensure that each air-breathing of wearer be all by
Air after filtering;Fin 2 described in one are installed in the cold end 101 of the semiconductor chilling plate 1 and hot junction 102, two dissipate
Backing 2 is located on the air inlet and air outlet of the mouth mask respectively in position, is installed in the radiating on the air outlet position
Piece 2 is used to absorb one end corresponding with air outlet of semiconductor chilling plate 1（Or be cold end, or be hot junction）Heat, and pacify
The fin 2 being located on the air inlet position is used for the cold end/heat corresponding with the air inlet to semiconductor chilling plate 1
End carries out heat and is vaporized, and the air/wind around the end of semiconductor chilling plate 1 is heated or freezed;The mouth mask appearance
On face, on the fin 2 of air outlet and air inlet fin 2 and the mouth mask inner chamber between be equipped with temperature described in
Sensor 3, temperature sensor 3 described in three be respectively used to gather environment real time temperature, positioned at air outlet fin 2 temperature
And collection is through the temperature of the air after the cold end/hot junction refrigerating/heating of air inlet side, the collection of temperature sensor 3 matching described in three
Temperature produce and temperature signal and send main control MCU 4 to;In the present embodiment, the main control MCU 4 is HT66F30 model monolithics
Machine, and the main control MCU 4 receives the temperature signal of the transmission of temperature sensor 3 described in three, and the lower limit temperature of setting is configured with it
With ceiling temperature, in the present embodiment, lower limit temperature is set as 15 DEG C, and ceiling temperature is set as 28 DEG C;The sound of the main control MCU 4
The temperature signal of the transmission of temperature sensor 3 that Ying Yu is installed on the mouth mask outer surface produces heating to believe less than lower limit temperature
Number, and the temperature signal of temperature sensor 3 transmission of the main control MCU 4 in response to being installed on the mouth mask is higher than described
Ceiling temperature and produce the cooling signals;And the constant temperature drive circuit electrically connects the main control MCU 4 and semiconductor chilling plate
1, and overturn the electrode of the semiconductor chilling plate 1 according to heating signal/cooling signals that the main control MCU 4 is received, so that
Cold end 101 and the matching response of hot junction 102 and the wind to sending into mouth mask carry out refrigerating/heating and the waste gas to exhalation mouth mask is added
Heat/refrigeration;Particularly, when the temperature for being installed in the mouth mask collection environment of temperature sensor 3 in appearance is less than 15 DEG C,
Indicate that environment temperature belongs to cold, now, main control MCU 4 carries out matching upset by by two electrodes of semiconductor chilling plate 1,
Make the end corresponding with air inlet of semiconductor chilling plate 1 be that hot junction 102 and matching are heated, make the air/wind of the suction mouth mask
Temperature maintain 16 DEG C~22 DEG C;And when the temperature of the collection environment of temperature sensor 3 being installed on the mouth mask is higher than 28
DEG C when, indicate that environment temperature belongs to high temperature, main control MCU 4 carries out matching upset by by two electrodes of semiconductor chilling plate 1,
Make the end corresponding with air inlet of semiconductor chilling plate 1 for cold end 102 and match refrigeration, make the air/wind of the suction mouth mask
Temperature maintain 22 DEG C~26 DEG C.And during above-mentioned refrigerating/heating, the end corresponding with air outlet of semiconductor chilling plate 1
Then heat/freeze to what the gas for breathing out was matched, so as to the gas for avoiding exhalation forms " breathing out ".It should be noted that, it is described
The temperature signal that main control MCU 4 can also be gathered according to the temperature sensor 3 being installed on the fin 2 of the air outlet is to described
Air outlet correspond to the semiconductor chilling plate 1 one end (or hot junction, or cold end) heat/refrigeration work consumption/efficiency controlled
System, so that semiconductor chilling plate 1 can more effectively work, in practice, when the temperature being installed on the fin 2 of the air outlet
The temperature at the end of the semiconductor chilling plate 1 relative with air outlet of the degree collection of sensor 3 shows that the end temperature is too high, represents described
What the fin 2 of air outlet radiated the end that slow or described power supply circuit matches for the semiconductor chilling plate 1 heats work(
Rate is excessive, the main control MCU 4 by control the power output of power supply circuit so as to avoid making the end of semiconductor chilling plate 1 because
Overload work and damage, it is certainly, described when one end temperature that the air outlet corresponds to the semiconductor chilling plate 1 is too low
Main control MCU 4 then carries out Reverse Turning Control;The main control MCU 4 also can be according to being installed in the fin 2 of air inlet and the mouth mask
Between chamber temperature sensor 3 collection refrigerating/heating after air/wind temperature signal to semiconductor chilling plate 1 with enter
The power at the corresponding end in air port is controlled, the sky after temperature signal of the collection of temperature sensor 3 at this indicates to heat
The temperature of gas/wind less than/higher than (22 DEG C~26 DEG C of temperature corresponding to the refrigerating state of semiconductor chilling plate 1）/ heat state institute
(16 DEG C~22 DEG C of corresponding temperature）When, the main control MCU 4 makes semiconductor system by controlling the power of power supply circuit output matching
The refrigerating/heating adjustment for being matched for cold 1.The button 5 is installed on the table body of the mouth mask, and the button 6 includes
Open/stop button and mode key;It is described to open/stop button (corresponding to ON/OFF buttons in fig 2) for controlling the mouth mask
On/off and fan speed-regulating, the mode key be used for be turned on and off the refrigerating/heating of the semiconductor chilling plate 1, and
The mode key is used to carry out refrigerating/heating for wearer's pattern mouth mask in practice, during the actual use of mouth mask,
The refrigerating/heating of mouth mask is automatically performed, that is, carries out Based Intelligent Control by main control MCU 4, the mode key only with
Wearer is familiar with being used during the mouth mask operation principle.
In practice, it is holding state when upper electric at the beginning of mouth mask, clicks ON/OFF keys and open mouth mask, at this moment main control MCU 4 is detected
Current environmental temperature, when environment temperature is less than 15 DEG C, opens heat-production functions, and temperature control is between 16 DEG C to 22 DEG C.
When environment temperature is higher than 28 DEG C, refrigerating function is opened, and temperature control is between 22 DEG C to 26 DEG C.And fan 5 is initial
Do not turn, click ON/OFF keys, the work of fan 5 is low grade;ON/OFF keys are clicked again, and the work of fan 5 is middle-grade;Press again
Once ON/OFF keys, the work of fan 5 is top grade;ON/OFF keys are clicked again, and fan 5 stops not turning;Under any state, length is pressed
ON/OFF keys 3S enters holding state, stops all working.
Refer to the attached drawing 2, the lithium cell charging module of the power supply circuit includes the week of TP4056 chargings IC (U2) and matching
Side resistance capacitance (R1, R2, R8, R9, C5, C11), the lithium cell charging module also include with two Schottky diodes (D1,
) and NPN3904 triodes (Q2), D2 input voltage positive input terminal (VCC) the series resistance R1 of the TP4056 chargings IC (U2)
The positive pole of connection USB power source terminal (USB1), and the power supply of the TP4056 chargings IC (U2) ground (GND) connection USB power source end
The positive pole of sub (USB1), with the lithium battery altogether, the positive pole of the lithium battery electrically connects the TP4056 to its power supply ground (GND)
Charging IC（U2）Battery terminal connections (BAT+), the battery charging complete of the TP4056 chargings IC (U2) indicates port
(STDBY) also electrically connected with I/O mouthfuls of the U2-3 data of the main control MCU (U3), it is described after the completion of the lithium cell charging
TP4056 chargings IC (U2) send charging completion signal to the main control MCU (U3), the TP4056 chargings IC (U2）Battery
Connection end (BAT+) also concatenates Schottky diode D2 and electric capacity C5 and is connected to ground, the Schottky based diode D2 and electric capacity C5 structures
Into the TP4056 chargings IC（U2）The sophisticated pulse of battery terminal connections (BAT+) eliminate branch road, and the Schottky diode
The negative electrode of D2 corresponds to the equipotential points of VDD;Schottky two is installed between the positive pole and VDD of the USB power source terminal (USB1)
Pole pipe D1;The positive pole of the USB power source terminal (USB1) concatenates two resistance (R2, R8) over the ground, two resistance (R2, R8）Centre
The base stage (b) of tie point connection NPN3904 triodes (Q2), NPN3904 triodes (Q2) emitter-base bandgap grading (e) over the ground, and its current collection
Pole (c) then electrically connects with I/O mouthfuls of the U2-1 data of the main control MCU (U3), when the connection external electrical of USB power source terminal (USB1)
Source, the NPN3904 triodes (Q2) conducting makes I/O mouthfuls of the U2-1 data of main control MCU (U3) pull down to ground, the main control MCU
(U3) level for reading the I/O is low, represents that lithium cell charging module is started to charge up.
Refer to the attached drawing 2, the boost module of the power supply circuit includes the periphery resistance of MP3429 boostings IC (U1) and matching
Electric capacity (R3, R5, R7, R10, R12, R13, R18, C1-C4, C7-C10, C12-C13), the electricity of MP3429 boostings IC (U1)
It is serially connected between source input port (VIN) and the positive pole (BAT+) of the lithium battery by AO4453 switching tubes (Q1), the poles of S8050 tri-
The ON-OFF control circuit that pipe (Q3) and the resistance (R5, R10, R13, R18) of matching are constituted, wherein, the AO4453 switching tubes
(Q1) source electrode (S) electrically connects the positive pole (BAT+) of the lithium battery, and its drain electrode (D) electrically connects MP3429 boostings IC (U1)
Power input port (VIN), its grid（G）Concatenate the positive pole (BAT+) that a current-limiting resistance (R5) connects the lithium battery;And
The colelctor electrode (c) of the S8050 triodes (Q3) is by one resistance of concatenation (R10) and the grid of the AO4453 switching tubes (Q1)
(G) electrically connect, its base stage (b) concatenates I/O mouthfuls of the U2-12 data that a resistance (R13) connects the main control MCU (U3), its emitter-base bandgap grading
E () pulls down to ground, resistance (R18) is also serially connected between the emitter-base bandgap grading (e) and base stage (b) of S8050 triodes (Q3);The master control
MCU (U3) through I/O mouthfuls of U2-12 data output low and high level, make the S8050 triodes (Q3), AO4453 switching tubes (Q1) according to
Secondary conduction and cut-off, and MP3429 boostings IC (U1) matchings start/stop boosting work;MP3429 boostings IC (U1)
Output port of power source (OUT) be connected with the filter circuit being made up of electric capacity C2-C4 parallel connections, eliminate the MP3429 boostings IC
(U1) ripple of power supply output, meanwhile, the output port of power source of MP3429 boostings IC (U1)（OUT）With its feedback port
(FB) resistance R3 is serially connected with, its feedback port (FB) goes back series resistor R7 to ground, resistance R3 and resistance R7 constitutes the MP3429
The feedback of boosting IC (U1) uses circuit;The output port of power source (OUT) and feedback port of MP3429 boostings IC (U1)
(FB) then matching electrically connects the constant temperature drive circuit, and provides the supply voltage that mesh power is exported, that is, feedback end
（FB）Be collection MP3429 boosting IC (U1) output voltage and be supplied to the constant temperature drive circuit magnitude of voltage and
Make MP3429 boostings IC (U1) the adjustment output.
Refer to the attached drawing 2, the constant temperature drive circuit includes multichannel power match branch road and electrode upset drive circuit;This reality
Apply in example, power match branch road is set to three tunnels, it is every to correspond to all the way by an electricity of the output of MP3429 boostings IC (U1)
Pressure value, multiple magnitudes of voltage are the magnitude of voltage that the semiconductor chilling plate 1 is worked with different capacity, and in accompanying drawing 2, at least example
Several specific magnitudes of voltage, can be set according to demand in practice;Every power match all the way of the multichannel power match branch road
Branch road is the on-off circuit being made up of NPN3904 triodes, refer to the attached drawing 2, the poles of NPN3904 tri- of three tunnel power match branch roads
Pipe is respectively Q4-Q6, and the colelctor electrode (b) of every NPN3904 triodes (Q4-Q6) concatenates a resistance (R14 or R15 or R16) electricity
Connect the feedback port (FB) of MP3429 boosting IC (U1), and the NPN3904 triodes (Q4-Q6) colelctor electrode (b)
The positive pole of the electrode upset drive circuit and the output port of power source (OUT) of MP3429 boostings IC (U1) are also electrically connected,
The base stage (c) of the NPN3904 triodes (Q4-Q6) concatenates a resistance (R20 or R21 or R22) and the main control MCU (U3)
One data I/O mouthfuls (U2-13 or U2-14 or U2-15) is electrically connected, the data I/O mouthfuls of (U2- that the main control MCU (U3) passes through matching
13 or U2-14 or U2-15) output low and high level control corresponding power match branch road NPN3904 triodes (Q4 or Q5 or
Q6) turn on, the supply voltage for making output port of power source (OUT) output matching of MP3429 boostings IC (U1) is the electrode
Upset drive circuitry；
And the electrode reverse circuit includes first electrode branch road and second electrode branch road in parallel, the first electrode branch road and
Second electrode branch road includes the AO4453 metal-oxide-semiconductors (Q7, Q8) and AO4404B metal-oxide-semiconductors (Q11, Q12) of concatenation, and first is electric
The source electrode (S) of the AO4453 metal-oxide-semiconductors (Q7, Q8) of pole branch road and second electrode branch road with the MP3429 boost IC
(U1) output port of power source (OUT) connection, the drain electrode (D) of two AO4453 metal-oxide-semiconductors (Q7, Q8) respectively with the semiconductor system
Two electrodes (the OUT1, OUT2) connection of cold 1, the grid (G) of two AO4453 metal-oxide-semiconductors (Q7, Q8) connect a resistance (R28 or
R30 the output port of power source (OUT) of MP3429 boostings IC (U1), and first electrode branch road/second electrode branch road) are connected to
The AO4453 metal-oxide-semiconductors (Q8/Q7) grid (G) also connect a resistance (R31/R32) afterwards with second electrode branch road/the first
Drain electrode (D) connection of the AO4453 metal-oxide-semiconductors (Q7/Q8) of electrode branch;The first electrode branch road and second electrode branch road
AO4404B metal-oxide-semiconductors (Q11/Q12) drain electrode (D) with the drain electrode of the AO4453 metal-oxide-semiconductors (Q8/Q7) of corresponding branch road
(D) connect, and the source electrode (S) of each AO4404B metal-oxide-semiconductors (Q11/Q12) is all connected to ground, and every AO4404B MOS
A pull down resistor (R39/R40), the first electrode are concatenated between the grid (G) and the source electrode (S) of its own of managing (Q11/Q12)
The grid (G) of the AO4404B metal-oxide-semiconductors (Q11/Q12) of branch road and second electrode branch road also concatenates a resistance (R37/R38) respectively
It is connected to I/0 mouthfuls of I/O mouthfuls of the U2-16 data and U2-17 data of the main control MCU (U3);The U2-16 of the main control MCU (U3)
Data I/O mouthfuls or I/0 mouthfuls of output low and high level of U2-17 data, the AO4404B of the first electrode branch road/second electrode branch road
Metal-oxide-semiconductor (Q8/Q7) and AO4453 metal-oxide-semiconductors (Q11/Q12) are sequentially turned on, and the first electrode branch road/second electrode branch road is by boundary
It is set to positive electrode branch road, and negative electrode branch road is then defined as to the second electrode branch road/first electrode branch road;First electricity
Pole branch road and second electrode branch road alternately overturn, make cold end/hot junction matching work of the semiconductor chilling plate 1 and to feeding institute
The wind for stating mouth mask carries out refrigerating/heating.
Refer to the attached drawing 2, is additionally provided with the drive circuit for driving the fan 5 to transfer the files rotation, driving electricity in circuit theory diagrams
Road is included by NPN3904 triodes (Q10）, K12301 metal-oxide-semiconductors (Q9) and resistance R33-R36 composition, NPN3904 triodes
(Q10) base stage (c) series resistor R34 is connected to I/O mouthfuls of the U2-20 data of main control MCU (U3), its colelctor electrode（b）Connection
The grid (G) of K12301 metal-oxide-semiconductors (Q9) and series resistor R33 is connected to lithium battery anode (BAT+）, its emitter-base bandgap grading（e）Pull down to
Ground;The source electrode (S) of K12301 metal-oxide-semiconductors (Q9) connects lithium battery anode (BAT+), its drain electrode (D) connection fan connection terminal
Single port；I/O mouthfuls of pulse code modulation signal of output different duty of U2-20 data of main control MCU (U3), makes NPN3904
Triode (Q10）, K12301 metal-oxide-semiconductors (Q9) matching conducting so that the fan 5 carries out exhausting/row with different gears
Gas.
The mouth mask of the present embodiment, is also provided with LED display circuit, key circuit and temperature sensor drive circuit, reference
Accompanying drawing 2, is not described in detail herein.
The intelligent constant-temperature mouth mask of the present embodiment uses Single-chip Controlling, and multi-temperature sensor collecting temperature automatically adjusts mouth
The constant temperature range needed in suitable human body of cover intake air temperature, many gears of intake are optional;The intelligent constant-temperature of the present embodiment
The advantage of mouth mask is as follows:One is, with haze, it is deodorant, sterilized, except formaldehyde, except ozone filtering module, can haze, dust suction,
Except stink, sterilization, eliminate formaldehyde pollution and ozone pollution;Two are, using low energy consumption, air quantity high, low noise turbine centrifugal wind
Fan, makes wearer remain that breathing is smooth, solves common mouth mask and puts on the problems such as vexed, hot, respiratory resistance is big；Three are, mouth mask
Air outlet be provided with unidirectional air outlet valve, the unidirectional air outlet valve is opened in fan exhaust and/or wearer's outlet, fan air-supply
And/or unidirectional air outlet valve matching when fan suction many residual air of superman's body and/or user's expiration is closed during wearer's air-breathing
Open, when people's air-breathing, unidirectional air outlet valve matching is closed, so as to ensure that each air-breathing of wearer is all by the air after filtering;
Four are, mouth mask at air outlet equipped with can heat/cooling piece and fin of refrigerating function, the air that can be pumped into fan in time
Heating/refrigerating, so as to the temperature that ensure that mouth mask air inlet is maintained in the range of suitable human body respiration, while improving existing institute
Have in mouth mask and breathe out（Steam）Problem, keeps dry and comfortable cleaning in mouth mask;Five are, mouth mask is by giving up that unidirectional air outlet valve is discharged
Gas, will also be by the cold end/hot junction of cooling piece and the radiator of matching, such that it is able to further improve the performance of cooling piece, more
It is effective to ensure cooling piece normal work；Six are, mouth mask architrave part sets flexible glue, architrave good sealing effect.
Below not technical scope of the invention is imposed any restrictions, all implementation according to the technology of the present invention essence to more than
Any modification, equivalent variations and modification that example is made, still fall within the range of technical scheme.
Claims (10)
1. a kind of intelligent constant-temperature mouth mask, it is characterised in that, including:
Semiconductor chilling plate, semiconductor chilling plate has cold end and the hot junction of activity conversion, and to flowing through the air of the mouth mask
Carry out matching refrigerating/heating;
Fin, the cold end of semiconductor chilling plate and hot junction are all provided with a fin, and two fin are located at described respectively in position
On the air inlet and air outlet of mouth mask, and it is respectively used to be pointed to the cold end/hot-side heat dissipation of air inlet side and absorbs be located at air-out
The heat in the cold end/hot junction of mouth side;
Temperature sensor, on the mouth mask, on the fin of air outlet and air inlet fin and the mouth mask inner chamber between
A temperature sensor is equipped with, temperature sensor described in three is respectively used to collection environment, the temperature of the fin of air outlet and adopts
Collect the temperature through the air after the cold end/hot junction refrigerating/heating of air inlet side and produce temperature signal to send main control MCU to;
Main control MCU, is configured with the lower limit temperature and ceiling temperature of setting in it, the main control MCU is in response to being installed in the mouth
The temperature signal of the temperature sensor transmission on cover produces heating signal less than lower limit temperature, and in response to being installed in the mouth
The temperature signal of the temperature sensor transmission on cover produces the cooling signals higher than the ceiling temperature;
Constant temperature drive circuit, electrically connects with main control MCU and semiconductor chilling plate, and the signal/system received according to the main control MCU
Cold signal overturns the semiconductor refrigerating plate electrode, so that cold end and hot junction matching response and refrigerating/heating；
Power supply circuit, the power supply circuit includes lithium battery, lithium cell charging module and boost module, the lithium cell charging module
For being the lithium cell charging, and the lithium battery out-put supply and match the boosting of the boost module mouth mask is provided
The power supply of work；
Fan, is installed on the air inlet position of the mouth mask and by main control MCU speed regulating control for the mouth mask is blown.
2. a kind of intelligent constant-temperature mouth mask according to claim 1, it is characterised in that:Also include button, the button includes
Open/stop button and mode key;It is described to open/stop button for controlling the on/off and fan speed-regulating of the mouth mask, the mould
Formula button is used to be turned on and off the semiconductor chilling plate refrigerating/heating.
3. a kind of intelligent constant-temperature mouth mask according to claim 1 and 2, it is characterised in that:Also include filtering module, the mistake
Filter module is installed on air inlet position, and for the air that the mouth mask is sucked by the fan to be filtered, sterilized and killed
Bacterium.
4. a kind of intelligent constant-temperature mouth mask according to claim 3, it is characterised in that：Also include being installed at air outlet position
Unidirectional air outlet valve, the fan aspirated excessive and/or user when exhaling the unidirectional air outlet valve matching open, isolation feeding
The air of the mouth mask is mixed with the gas of discharge.
5. a kind of intelligent constant-temperature mouth mask according to claim 4, it is characterised in that:The main control MCU is HT66F30 models
Single-chip microcomputer.
6. a kind of intelligent constant-temperature mouth mask according to claim 5, it is characterised in that:The fan is turbine centrifugal fan.
7. a kind of intelligent constant-temperature mouth mask according to claim 6, it is characterised in that:The temperature sensor is NTC temperature
Sensor.
8. a kind of intelligent constant-temperature mouth mask according to claim 7, it is characterised in that:The lithium cell charging of the power supply circuit
Module includes the periphery resistance capacitance of TP4056 chargings IC and matching, the input voltage positive input terminal of the TP4056 chargings IC
（VCC）With power supply (GND) connect the positive pole and negative pole of USB power source terminal respectively, its power supply ground (GND) and the lithium battery are common
Ground, the positive pole of the lithium battery electrically connects the battery terminal connections (BAT+) of the TP4056 chargings IC, the TP4056 chargings IC
Battery charging complete indicate port (STDBY) also electrically connected with I/O mouthfuls of the U2-3 data of the main control MCU, the lithium battery
After charging complete, the TP4056 chargings IC sends charging completion signal to the main control MCU.
9. a kind of intelligent constant-temperature mouth mask according to claim 8, it is characterised in that:The boost module bag of the power supply circuit
Include the periphery resistance capacitance of MP3429 boosting IC and matching, the power input port (VIN) of MP3429 boosting IC with it is described
The switch control being made up of the resistance capacitance of AO4453 switching tubes, S8050 triodes and matching is serially connected between the positive pole of lithium battery
Circuit processed, wherein, the source electrode (S) of the AO4453 switching tubes electrically connects the positive pole of the lithium battery, its drain electrode (D) electrical connection institute
State the power input port (VIN) of MP3429 boostings IC, its grid（G）Concatenate a current-limiting resistance and connect the lithium battery just
Pole；And the colelctor electrode (c) of the S8050 triodes is electrically connected by concatenating a resistance with the grid (G) of the AO4453 switching tubes
Connect, its base stage (b) concatenates I/O mouthfuls of the U2-12 data that a resistance connects the main control MCU, and its emitter-base bandgap grading (e) pulls down to ground, described
Main control MCU makes the S8050 triodes, AO4453 switching tubes sequentially turn on/cut through I/O mouthfuls of output low and high level of U2-12 data
Only, the MP3429 boostings IC matchings start/stop boosting work;The output port of power source of the MP3429 boostings IC
(OUT) then match and electrically connect the constant temperature drive circuit with feedback port (FB), and the supply voltage of mesh power output is provided.
10. a kind of intelligent constant-temperature mouth mask according to claim 9, it is characterised in that:The constant temperature drive circuit includes many
Road power match branch road and electrode upset drive circuit;
Wherein, the multichannel power match branch road is by opening that NPN3904 triodes are constituted per power match branch road all the way
Powered-down road, the colelctor electrode (b) of every NPN3904 triodes concatenates the feedback port that a resistance electrically connects the MP3429 boostings IC
, and the colelctor electrode (b) of the NPN3904 triodes also electrically connects the positive pole of electrode upset drive circuit and described (FB)
The output port of power source (OUT) of MP3429 boostings IC, base stage (c) concatenation one resistance and the master of the NPN3904 triodes
The one data I/O mouthfuls of electrical connection of control MCU, the main control MCU is controlled corresponding by the data I/O mouthfuls of output low and high level for matching
The NPN3904 triode ONs of power match branch road, make output port of power source (OUT) output matching of the MP3429 boostings IC
Supply voltage for the electrode overturn drive circuitry；
The electrode reverse circuit includes first electrode branch road and second electrode branch road in parallel, the first electrode branch road and the
Two electrode branch are including the AO4453 metal-oxide-semiconductors and AO4404B metal-oxide-semiconductors of concatenation, and first electrode branch road and second electrode branch
Output port of power source (OUT) of the source electrode (S) of the AO4453 metal-oxide-semiconductors on road with MP3429 boostings IC is connected, and two
The drain electrode (D) of AO4453 metal-oxide-semiconductors is connected with two electrodes of the semiconductor chilling plate respectively, the grid of two AO4453 metal-oxide-semiconductors
(G) resistance of connecting is connected to the output port of power source (OUT) of the MP3429 boostings IC, and first electrode branch road/the second
The grid (G) of the AO4453 metal-oxide-semiconductors of electrode branch also connect after a resistance with second electrode branch road/first electrode branch road
The AO4453 metal-oxide-semiconductors drain electrode (D) connection;The AO4404B metal-oxide-semiconductors of the first electrode branch road and second electrode branch road
Drain electrode (D) connected with the drain electrode (D) of the AO4453 metal-oxide-semiconductors of corresponding branch road, and each AO4404B metal-oxide-semiconductors
Source electrode (S) be all connected to ground, and concatenated between the grid (G) of every AO4404B metal-oxide-semiconductors and the source electrode (S) of its own
The grid (G) of the AO4404B metal-oxide-semiconductors of pull-up resistor, the first electrode branch road and second electrode branch road also concatenates resistance difference
It is connected to I/0 mouthfuls of I/O mouthfuls of the U2-16 data and U2-17 data of the main control MCU;I/O mouthfuls of the U2-16 data of the main control MCU
Or I/0 mouthfuls of U2-17 data output low and high level, the AO4404B metal-oxide-semiconductors of the first electrode branch road/second electrode branch road and
AO4453 metal-oxide-semiconductors are sequentially turned on, and the first electrode branch road/second electrode branch road is defined as positive electrode branch road, and to described
Second electrode branch road/first electrode branch road is then defined as negative electrode branch road;The first electrode branch road and second electrode branch road are handed over
For upset, make the cold end/hot junction matching work of the semiconductor chilling plate and the wind of the feeding mouth mask freeze/add
Heat.
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| CN108549438A (en) * | 2018-04-16 | 2018-09-18 | 中山大学新华学院 | A kind of control system and control method for adjusting mask humiture |
| CN109730408A (en) * | 2019-01-05 | 2019-05-10 | 天津大学 | The bracelet and method for regulating temperature of a kind of pair of human hands local temperature adjustment |
| CN111840844A (en) * | 2020-07-22 | 2020-10-30 | 浙江大学 | Intelligent refrigeration mask |
| CN112169205A (en) * | 2020-08-25 | 2021-01-05 | 珠海格力电器股份有限公司 | Ventilation refrigeration equipment and control method thereof |
| CN115061514A (en) * | 2022-05-17 | 2022-09-16 | 南方科技大学 | Artificial limb temperature sense system and preparation method thereof |
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Address after: 523000 No. 8 Nanerheng Road, No. 1 Industrial Zone, Tangxia Town, Dongguan City, Guangdong Province Applicant after: Dongguan Huayue Electrical Appliance Technology Co., Ltd. Address before: 523000 No. 8 Nanerheng Road, No. 1 Industrial Zone, Tangxia Town, Dongguan City, Guangdong Province Applicant before: DONGGUAN HUAYUE MOTOR TECHNOLOGY CO., LTD. |
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