CN112206429A - Ventilation refrigeration equipment and control method thereof - Google Patents
Ventilation refrigeration equipment and control method thereof Download PDFInfo
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- CN112206429A CN112206429A CN202010863263.0A CN202010863263A CN112206429A CN 112206429 A CN112206429 A CN 112206429A CN 202010863263 A CN202010863263 A CN 202010863263A CN 112206429 A CN112206429 A CN 112206429A
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- 238000009423 ventilation Methods 0.000 title claims abstract description 106
- 238000005057 refrigeration Methods 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000017525 heat dissipation Effects 0.000 claims abstract description 88
- 238000004887 air purification Methods 0.000 claims abstract description 65
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 40
- 231100000719 pollutant Toxicity 0.000 claims abstract description 39
- 239000000356 contaminant Substances 0.000 claims abstract description 13
- 239000000809 air pollutant Substances 0.000 claims abstract description 12
- 231100001243 air pollutant Toxicity 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims description 46
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 15
- 239000004964 aerogel Substances 0.000 claims description 11
- 229910052681 coesite Inorganic materials 0.000 claims description 11
- 229910052906 cristobalite Inorganic materials 0.000 claims description 11
- 238000000746 purification Methods 0.000 claims description 11
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
-
- 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
- A41D13/002—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment
- A41D13/005—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment with controlled temperature
- A41D13/0053—Cooled garments
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D27/00—Details of garments or of their making
- A41D27/28—Means for ventilation
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B9/00—Component parts for respiratory or breathing apparatus
- A62B9/003—Means for influencing the temperature or humidity of the breathing gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
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- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
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- Business, Economics & Management (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physical Education & Sports Medicine (AREA)
- Environmental & Geological Engineering (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
The invention provides a ventilation and refrigeration device and a control method thereof, wherein the ventilation and refrigeration device can be arranged on a wearable device; the method comprises the following steps: the heat dissipation module comprises a thermoelectric module, a first heat dissipation module and a second heat dissipation module; the air purifier also comprises a gas pollutant sensor and an air purification module, wherein the gas pollutant sensor can detect the concentration of air pollutants in the space on one side of the wearing equipment facing the human body in real time; the air purification module can purify the air of the human one side of orientation of wearing equipment, and the air purification module can also be reminded whether should be opened, or closed or change according to the air contaminant concentration that gaseous pollutant sensor detected. According to the invention, the problems that the temperature of the inner side of the wearing device (preferably the mask) is high after the wearing device is worn and whether the air purification filter material needs to be replaced cannot be automatically judged in the mask are solved, the temperature of the inner side can be reduced, whether the air purification filter material needs to be replaced can be effectively judged, and the intelligent degree is effectively improved.
Description
Technical Field
The invention relates to the technical field of refrigeration, in particular to ventilation refrigeration equipment and a control method thereof.
Background
The mask is a sanitary product, is generally worn at the mouth and nose part and is used for filtering air entering the mouth and nose, and the effect of blocking substances such as harmful gas, smell, spray, virus and the like is achieved.
Generally, the mask is only used for specific people or under special environmental conditions, the wearing time is relatively short, the wearing comfort does not attract people's attention, the mask has a certain filtering effect on air entering the lung, and the mask has a good effect on respiratory infectious diseases such as new coronary pneumonia and influenza and the like when the respiratory infectious diseases are popular and the mask works in the environment polluted by dust and the like. However, in hot summer or in a poorly ventilated room, the wearing mask is stuffy and hot, which may cause skin diseases in addition to an increase in discomfort. However, with the emergence of new coronary pneumonia epidemic situation and the normalized development of the epidemic situation, the wearing population and the wearing environment condition of the mask show explosive amplification, which directly leads to the great increase of the wearing time and increasingly prominent wearing comfort problem.
When the mask is worn for a long time, the skin under the mask is always in a sultry and airtight environment, the environment can accelerate the reproduction of microorganisms such as bacteria and the like, the water-oil balance of the facial skin can be damaged, the skin becomes dry, oily and acne grows, and even people with sensitive skin can have contact dermatitis, erythema and pimple grow on the face, and the whole face becomes red and itchy.
The invention provides ventilation and refrigeration equipment and a control method thereof, which are researched and designed for solving the problems that the temperature of the inner side of a mask is high, whether an air purification filter material needs to be replaced cannot be automatically judged and the like in the prior art.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is mainly to overcome the defects that the temperature of the inner side of the mask is high after the mask in the prior art is worn and whether the air purification filter material needs to be replaced cannot be automatically judged in the mask, so that the ventilation and refrigeration equipment and the control method thereof are provided.
In order to solve the above problems, the present invention provides a ventilation cooling device, wherein:
the ventilation and refrigeration equipment can be arranged on the wearable equipment; and the ventilation cooling device comprises: the wearable device comprises a thermoelectric module, a first heat dissipation module and a second heat dissipation module, wherein the first heat dissipation module is arranged on the cold end side of the thermoelectric module, the second heat dissipation module is arranged on the hot end side of the thermoelectric module, the first heat dissipation module is positioned on one side of the wearable device, which faces the human body, and the second heat dissipation module is positioned on one side of the wearable device, which faces the outside;
the ventilation and refrigeration equipment further comprises a gas pollutant sensor and an air purification module, wherein the gas pollutant sensor can detect the concentration of air pollutants in the space on one side of the wearable equipment, which faces the human body, in real time; the air purification module can purify the air of one side of wearing equipment towards the human body, the air purification module can also be based on the air contaminant concentration that gas contaminant sensor detected and whether be reminded that should be opened, or close or change.
Preferably, the air purification module comprises SiO2Aerogel and valve that can be opened to let contaminants in the air on the side facing the human body enter the SiO2Aerogel to be adsorbed, the valve can also be closed to block SiO2Adsorption of pollutants in the air on the side facing the human body by the aerogel.
Preferably, the ventilation refrigeration equipment further comprises a first shell, and the first shell covers the first heat dissipation module; and/or the ventilation refrigeration equipment further comprises a second shell, and the second shell covers the second heat dissipation module.
Preferably, a first air inlet is formed in the second housing at a position opposite to the thermoelectric module, and airflow communication can be formed between the thermoelectric module and the first heat dissipation module, so that air outside the wearable device can reach the thermoelectric module through the first air inlet and enter the first heat dissipation module to exchange heat with the first heat dissipation module; and/or the first shell is also provided with a first air outlet.
Preferably, when a first air inlet is formed in the second housing at a position opposite to the thermoelectric module, the first air inlet is a hollow structure formed in the second housing; and/or when the first shell is also provided with a first air outlet, the first air outlet is a hollow structure arranged on the first shell.
Preferably, a second air inlet is formed in the second housing at a position opposite to the second heat dissipation module; and/or a second air outlet is also arranged on the second shell.
Preferably, the second air inlet is a hollow structure formed in the second housing; and/or the second air outlet is a hollow structure arranged on the second shell;
preferably, the thermoelectric module is located on a side of the wearable device facing the outside, and when a second housing is included, the second housing is further covered outside the thermoelectric module; and/or, when both first and second housings are included, the second housing is connected to the first housing.
Preferably, when the first housing and the second housing are included at the same time and the second housing is connected with the first housing, the second housing and the first housing are detachably and fixedly connected or integrally formed.
Preferably, a fan is further arranged on the first heat dissipation module; and/or the thermoelectric module is hermetically connected with the second heat dissipation module; and/or the thermoelectric module comprises at least two thermoelectric module units.
Preferably, when the air conditioner comprises a first air outlet and a fan at the same time, the first air outlet is arranged at a position opposite to the fan; and/or, when the fan and the first shell are simultaneously included, the fan is arranged in the first shell.
Preferably, when including fan, first shell and second shell simultaneously, first shell and/or be provided with control module on the second shell or inside, control module can control thermoelectric module's switching and the switching of fan, and can also according to the air contaminant concentration that gas contaminant sensor detected and remind whether air purification module need open, or close or whether need change, ventilation refrigeration plant still include with the control module electric connection's control switch.
The present invention also provides a control method of a ventilation cooling device as described in any one of the above, wherein:
controlling the fan to be started, and simultaneously controlling the thermoelectric module to be closed, so that the ventilation and refrigeration equipment runs in a ventilation mode; alternatively, the first and second electrodes may be,
and controlling the fan to be turned on or off, and simultaneously controlling the thermoelectric module to be turned on, so that the ventilation and refrigeration equipment runs in a refrigeration mode.
Preferably, the ventilation and refrigeration equipment runs in a refrigeration mode, and the amount of refrigeration generated by the thermoelectric module is adjusted by controlling input power; and/or the presence of a gas in the gas,
the ventilation and refrigeration equipment runs in a refrigeration mode or in a ventilation mode, and when the fan is started, the convection intensity of air on one side, facing the human body, of the wearable equipment is adjusted by controlling the rotating speed of the fan.
Preferably, the ventilation and refrigeration equipment further comprises a purification mode, wherein the ventilation and refrigeration equipment runs in a ventilation mode or runs in a refrigeration mode;
the control method further comprises a detection step for detecting the real-time air pollutant concentration S of the space on one side of the wearable device facing the human body through the gas pollutant sensor;
the control method also comprises a judging step for judging the real-time air pollutant concentration S and the preset pollutant concentration SPreset ofThe magnitude relationship between them;
the control method further includes a control step for when S is>SPreset ofControlling the air purification module to be opened so that the ventilation and refrigeration deviceAnd operating in the purification mode.
Preferably, the detecting step is further configured to detect an initial pollutant concentration S when the air purification module is turned onInitialAnd for detecting the concentration S of the pollutant after the opening time t of the air purification moduletWherein t is a constant greater than 0;
the judging step is also used for judging SInitialAnd StThe magnitude relationship between them;
the control step is also used for St<SInitialControlling the air purification module to maintain an open state when St≥SInitialThe control sends out the warning, reminds that the air purification module should be changed in time.
The ventilation refrigeration equipment and the control method thereof provided by the invention have the following beneficial effects:
1. according to the invention, the ventilation and refrigeration equipment is arranged on the wearing equipment, and comprises the thermoelectric module, the first heat dissipation module positioned on the cold end side of the thermoelectric module and the second heat dissipation module positioned on the hot end side of the thermoelectric module, the first heat dissipation module is positioned on one side facing a human body, and the second heat dissipation module is positioned on one side facing the outside, so that the first heat dissipation module can effectively transmit cold energy generated by the cold end side of the thermoelectric module to air inside the wearing equipment (facing one side of the human body), the air inside the wearing equipment is effectively cooled, the air in the wearing equipment, preferably a mask, can be effectively cooled, the air temperature in the mask is greatly reduced, the stuffy feeling is effectively reduced, the sweating phenomenon is simultaneously eradicated, and the wearing comfort level of the mask is improved; the invention can also effectively monitor the pollutant concentration at the inner side of the wearing device through the gas pollutant sensor, can effectively purify and remove pollutants through the air purification module, can remind whether the air purification module needs to be opened, closed or replaced according to the air pollutant concentration detected by the gas pollutant sensor, and simultaneously solves the problems that the temperature at the inner side of the wearing device (preferably a mask) is higher after the wearing device is worn and whether the air purification filter material needs to be replaced or not in the mask can not be automatically judged, so that the temperature at the inner side can be reduced, whether the air purification filter material needs to be replaced or not can be effectively judged, and the intelligent degree is effectively improved;
2. the fan is arranged on the first heat dissipation module, so that air on the inner side (the side close to a human body) of the wearing equipment (preferably the mask) can flow effectively, air microcirculation inside the mask is constructed, the feeling of suffocation and air impermeability is reduced, and the wearing comfort of the mask is improved. The control module is additionally arranged on the mask, so that the ventilation module and the refrigeration module (comprising the thermoelectric module and the first and second heat dissipation modules) can be accurately controlled, and the independent operation or the cooperative operation of ventilation and refrigeration can be realized.
Drawings
FIG. 1 is a schematic front view of the combination ventilation cooling device and wearable device of the present invention;
FIG. 2 is a schematic top view of the combination ventilation cooling device and wearable device of the present invention;
FIG. 3 is a top enlarged internal schematic view of the ventilation cooling device of the present invention;
FIG. 4 is an enlarged internal schematic view of a thermoelectric module of the present invention;
fig. 5 is a view illustrating an air path structure of the ventilation and cooling device in the external circulation cooling mode according to the present invention;
fig. 6 is a control flow chart of the ventilation cooling device of the present invention.
The reference numerals are represented as:
100. a ventilation refrigeration device; 200. a wearable device; 1. a thermoelectric module; 11. a thermoelectric module unit; 2. a first heat dissipation module; 3. a second heat dissipation module; 4. a fan; 51. a first housing; 523. a first air inlet; 512. a first air outlet; 52. a second housing; 521. a second air inlet; 522. a second air outlet; 6. a control module; 7. a control switch; 10. an air purification module.
Detailed Description
As shown in fig. 1 to 6, the present invention provides a ventilation cooling device, wherein:
the ventilation and refrigeration equipment 100 can be arranged on the wearable equipment 200; and the ventilation cooling device 100 includes: the wearable device comprises a thermoelectric module 1, a first heat dissipation module 2 and a second heat dissipation module 3, wherein the first heat dissipation module 2 is arranged at the cold end side of the thermoelectric module 1, the second heat dissipation module 3 is arranged at the hot end side of the thermoelectric module 1, the first heat dissipation module 2 is positioned at the side of the wearable device 200 facing the human body, and the second heat dissipation module 3 is positioned at the side of the wearable device facing the outside, so that air outside the wearable device 200 is heated and warmed when passing through the second heat dissipation module 3;
the ventilation and refrigeration equipment further comprises a gas pollutant sensor and an air purification module 10, wherein the gas pollutant sensor can detect the concentration of the air pollutants in the space at one side (namely the inner side) of the wearable equipment 200 facing the human body in real time; the air purification module 10 can purify air on a side of the wearable device 200 facing a human body, and the air purification module 10 can be reminded whether to be turned on, turned off or replaced according to the air pollutant concentration detected by the gas pollutant sensor.
According to the invention, the ventilation and refrigeration equipment is arranged on the wearing equipment, and comprises the thermoelectric module, the first heat dissipation module positioned on the cold end side of the thermoelectric module and the second heat dissipation module positioned on the hot end side of the thermoelectric module, the first heat dissipation module is positioned on one side facing a human body, and the second heat dissipation module is positioned on one side facing the outside, so that the first heat dissipation module can effectively transmit cold energy generated by the cold end side of the thermoelectric module to air inside the wearing equipment (facing one side of the human body), the air inside the wearing equipment is effectively cooled, the air in the wearing equipment, preferably a mask, can be effectively cooled, the air temperature in the mask is greatly reduced, the stuffy feeling is effectively reduced, the sweating phenomenon is simultaneously eradicated, and the wearing comfort level of the mask is improved; the invention can also effectively monitor the pollutant concentration at the inner side of the wearing device through the gas pollutant sensor, can effectively purify and remove pollutants through the air purification module, can remind whether the air purification module is opened, closed or replaced according to the air pollutant concentration detected by the gas pollutant sensor, and simultaneously solves the problems that the temperature at the inner side of the wearing device (preferably a mask) is higher after the wearing device is worn and whether the air purification filter material needs to be replaced or not in the mask can not be automatically judged, so that the temperature at the inner side can be reduced, whether the air purification filter material needs to be replaced or not can be effectively judged, and the intelligent degree is effectively improved.
The mask combines the thermoelectric refrigeration unit with the mask, so that the space temperature of the inner side of the mask can be reduced, and the comfort of wearing the mask in high-temperature environments such as summer is improved;
still come automatic judgement air purification filter media whether need change through the change that detects the air contaminant concentration in the space in the gauze mask, ensure the inboard air purification effect of gauze mask, thereby prevent that the pollutant enrichment from arousing secondary pollution.
Preferably, the air purification module 10 includes SiO2 aerogel and a valve, the valve can be opened to make the pollutant in the air of the side facing the human body enter the SiO2 aerogel to be adsorbed, and the valve can be closed to block the adsorption of the pollutant in the air of the side facing the human body by the SiO2 aerogel. This is the preferred structural style of the air purification module of the invention, contain SiO2 aerogel in the air purification module 10, can reach the effect of purified air through adsorbing the pollutant, only need open the valve can begin to purify the air, in addition this air purification module 10 is pasted on the outer wall of outer casing through the magic subsides, is favorable to users to change in time like this; the whole shell is in a hollow design, and free air inlet and outlet are facilitated.
The invention provides wearable ventilation and refrigeration equipment which can be used in equipment such as clothes, hats, masks and the like, and achieves the purpose of cooling by changing the internal temperature of the wearable clothes such as the clothes, the hats, the masks and the like. The cooling purpose in the clothes can be realized by combining one or more ventilation and refrigeration devices with the wearable clothes. This example is presented by the device in combination with a mask.
This example provides a wearing device (preferably a mask) combined with a thermoelectric cooling unit, as shown in fig. 1, a ventilation cooling device 100 is provided on the body of the wearing device 200. The connection between the ventilation cooling device 100 and the wearable device 200 is detachable.
Fig. 2 is a plan view of the mask.
Fig. 3 is a top sectional view of the ventilation cooling device 100. As shown in the figure, the ventilation and refrigeration device 100 has a first housing 51 and a second housing 52, and the thermoelectric module 1, the first heat dissipation module 2, the second heat dissipation module 3, the fan 4, the control switch 7, and the control module 6 are embedded in the inner walls of the housings. An air purification module 10 is arranged at the upper left of the outer wall of the shell. Wherein the control module 6 is disposed directly behind the thermoelectric module 1 and the first heat dissipation module 2.
The left side and the right side of the thermoelectric module 1 are in hollow design, and a plurality of small thermoelectric devices are contained in the thermoelectric module, so that the thermoelectric module plays a role in refrigeration. The refrigerating technology based on the Peltier effect is widely applied to the field of small refrigeration. The principle mainly utilizes the Peltier effect generated at a node when an P, N type semiconductor flows, so that the temperature of the node from N to P end is reduced and absorbs heat, and the node becomes a cold end; and the node temperature from P to N increases to release heat to become hot. The N, P semiconductor is arranged periodically, and the cold end and the hot end of the semiconductor are respectively packaged towards one direction, thus the thermoelectric device is manufactured.
The hot end of the thermoelectric module 1 is tightly attached to one side of the second heat dissipation module 3 through the heat-conducting silicone grease, so that the heat dissipation effect is achieved; the cold end of the thermoelectric module 1 is tightly attached to one side of the second heat dissipation module 3 through heat conduction silicone grease, so that the heat dissipation effect is achieved, and in addition, a plurality of small holes are formed in the surface of the first heat dissipation module 2, so that air circulation is facilitated; the fan 4 is arranged on the other side of the first heat dissipation module 2; the control module 6 arranged on the thermoelectric module 1 and the first heat dissipation module 2 contains a lithium battery and a gas pollutant sensor, the lithium battery is used for supplying power to the ventilation and refrigeration equipment 100, the gas pollutant sensor can detect the air pollution concentration in the space inside the mask in real time, and in addition, a control switch 7 is arranged on the side surface of the control module 6; the air purification module 10 contains SiO2Aerogel, only need open the valve can begin to purify the air, this air purification in additionThe module 10 is adhered to the outer wall of the shell through a magic tape, so that the module is convenient for a user to replace in time; the whole shell is in a hollow design, and free air inlet and outlet are facilitated.
Fig. 4 is a sectional configuration diagram of the thermoelectric module 1, and a plurality of thermoelectric module units 11 are connected in series with a certain gap therebetween to form one thermoelectric module.
Fig. 5 is a schematic view of the air flow path of the thermoelectric cooling unit in an external circulation cooling mode. As can be seen from the figure, the outside air around the thermoelectric module 1 enters the thermoelectric module 1 from the left and right sides of the thermoelectric module 1, enters the inner space of the mask through the small holes on the surface of the first heat dissipation module 2, exchanges heat with the first heat dissipation module 2 and then is reduced in temperature, thereby achieving the purpose of reducing the temperature of the inner space of the mask.
When ventilation refrigeration plant 100 begins the during operation, the cold volume that thermoelectric module 1's cold junction produced is transmitted the inboard space of gauze mask by first heat dissipation module 2, reach the effect that reduces the inboard space temperature of gauze mask, under fan 4's forced convection effect, the cold volume that first heat dissipation module 2 gived off can transmit the inboard space of gauze mask rapidly, further reduce the difference in temperature of first heat dissipation module 2 and the inboard space temperature of gauze mask, but make full use of ventilation refrigeration plant 100's refrigerating capacity, ensure the homogeneity of the inboard space temperature distribution of gauze mask simultaneously, improve user's travelling comfort. At this time, the heat generated at the hot end of the thermoelectric module 1 is transferred to the outside air by the second heat dissipation module 3, so that the temperature at the cold end is always kept at a relatively low temperature, thereby ensuring that the ventilation and refrigeration equipment 100 can realize continuous refrigeration. In addition, under the unchangeable condition of the input power consumption of thermoelectric module 1, along with the heat dissipation intensity increase of second heat dissipation module 3, be favorable to reducing the difference in temperature between the cold junction of thermoelectric module 1 and the hot junction to make the relative temperature of the first heat dissipation module 2 of cold junction further reduce.
Preferably, the ventilation cooling device 100 further comprises a first housing 51, and the first housing 51 covers the outside of the first heat dissipation module 2 (when the first housing 51 is included, the first housing 51 is disposed inside the wearable device); and/or, the ventilation cooling device 100 further comprises a second housing 52, and the second housing 52 is disposed outside the second heat dissipation module 3.
The ventilation refrigeration equipment of the invention has a further preferable structure form, namely, the first heat dissipation module on one side of the human body can be effectively protected through the first shell, and the second heat dissipation module on one side of the outside can be effectively protected through the second shell.
Preferably, a first air inlet 523 is disposed on the second housing 52 opposite to the thermoelectric module 1; and/or a first air outlet 512 is further arranged on the first shell 51. Through a third air inlet arranged on the second shell, air on the inner side of the wearable device can enter the thermoelectric module through the third air inlet and enter the first heat dissipation module for heat exchange, so that circulation of external circulation air or refrigeration of external circulation is realized, dry air outside the wearable device (preferably a mask) can be introduced into the mask through the air door, and the air humidity on the inner side of the wearable device (preferably the mask) is reduced; and the first air outlet through setting up on the first shell can blow the gas after cooling to human body (preferred facial), reaches the effect that effectively reduces the temperature in the gauze mask for human face is more comfortable.
Preferably, when a first air inlet 523 is arranged at a position on the second housing 52 opposite to the thermoelectric module 1, the first air inlet 523 is a hollow structure formed on the second housing 52; and/or when the first housing 51 is further provided with a first air outlet 512, the first air outlet 512 is a hollow structure formed in the first housing 51. The first air inlet and the first air outlet are formed in the second shell, and the first shell is provided with the first air outlet.
Preferably, a second air inlet 521 is disposed on the second housing 52 at a position opposite to the second heat dissipation module 3; and/or a second air outlet 522 is further disposed on the second housing 52. The second air inlet formed in the second shell can effectively enable air outside the optimized mask to enter the second shell and exchange heat with the second heat dissipation module, and the second air outlet formed in the second shell can enable hot air after heat exchange of the second heat dissipation module to be dissipated outwards, so that the heat exchange effect is effectively achieved.
Preferably, the second air inlet 521 is a hollow structure formed in the second housing 52; and/or the second air outlet 522 is a hollow structure formed in the second housing 52. The second shell is provided with the second air inlet and the second air outlet, namely the second air inlet for air inlet and the second air outlet for air outlet can be effectively formed through the hollow structure.
Preferably, the thermoelectric module 1 is located on the side of the wearable device 200 facing the outside, and when a second housing is included, the second housing 52 is further housed outside the thermoelectric module 1; and/or, when both the first housing 51 and the second housing 52 are included, the second housing 52 is connected to the first housing 51. The thermoelectric module is positioned on the outer side of the wearing device (preferably the outer side of the mask), and is preferably arranged in the second shell, the first shell and the second shell are effectively combined together to form the ventilation and refrigeration device with an integrated structure, and the ventilation and refrigeration device can be integrally installed on the wearing device (preferably the mask), so that the assembly is more convenient.
Preferably, when the first housing 51 and the second housing 52 are included and the second housing 52 is connected to the first housing 51, the second housing 52 and the first housing 51 are detachably fixed to each other or integrally formed. The first shell and the second shell are connected into a whole in two different connection modes, and can be fixedly connected in a detachable mode or integrally formed into an integral structure.
Preferably, a fan 4 is further disposed on the first heat dissipation module 2; and/or the thermoelectric module 1 is hermetically connected with the second heat dissipation module 3 so as not to allow air flow to pass through. The fan is arranged on the first heat dissipation module, so that air on the inner side (the side close to a human body) of the wearing equipment (preferably the mask) can flow effectively, air microcirculation inside the mask is constructed, the feeling of suffocation and air impermeability is reduced, and the wearing comfort of the mask is improved; thermoelectric module and second heat dissipation module sealing connection can prevent that the wind after the heat transfer of second heat dissipation module from reentrant thermoelectric module, mixes with the inboard wind of extrinsic cycle inlet cover, and reduces inboard refrigeration effect.
Preferably, when both the first air outlet and the fan 4 are included, the first air outlet is disposed at a position opposite to the fan 4; and/or, when the blower 4 and the first housing 51 are included at the same time, the blower 4 is disposed inside the first housing 51. First air outlet sets up and can directly blow out first shell through the drive of fan in the position relative with the fan, and the fan is preferred to be set up in first shell and makes fan and thermoelectric module isotructure all set up inside the shell, forms an overall structure.
When including fan 4, first shell 51 and second shell 52 simultaneously, first shell 51 and/or be provided with control module 6 on the second shell 52 or inside, control module 6 can control the switching of thermoelectric module 1 and the switching of fan 4 to and can also remind whether air purification module 10 need open, or close or whether need change according to the air pollution thing concentration that gas pollution thing sensor detected, ventilation and refrigeration equipment still include with control switch 7 that control module 6 electricity is connected. The control module is additionally arranged on the mask, so that the ventilation module, the refrigeration module (comprising the thermoelectric module, the first heat dissipation module and the second heat dissipation module) and the reminding air purification module can be accurately controlled, and the independent operation or the cooperative operation of ventilation, refrigeration and purification is realized.
The present invention also provides a control method of a ventilation cooling device as described in any one of the above, wherein:
controlling the fan to be started, and simultaneously controlling the thermoelectric module to be closed, so that the ventilation and refrigeration equipment runs in a ventilation mode; alternatively, the first and second electrodes may be,
and controlling the fan to be turned on or off, and simultaneously controlling the thermoelectric module to be turned on, so that the ventilation and refrigeration equipment runs in a refrigeration mode.
According to the invention, the ventilation and refrigeration equipment can be operated in a pure ventilation mode by controlling the fan and the thermoelectric module to be respectively opened or closed or simultaneously opened, so that the air in the wearing equipment can be effectively circulated, the ventilation and refrigeration equipment can be operated in a refrigeration mode, the air in the wearing equipment can be effectively refrigerated by the operation of the thermoelectric module, the temperature of the air in the wearing equipment is reduced, and the human body is more comfortable. The ventilation module constructs the air microcirculation in the gauze mask, keeps the air flow in the gauze mask, and wherein the fan is controlled by control module, and the fan safety cover plays the effect of separation between fan and human face, prevents that the fan blade is rotatory to touch human face, also can guarantee the normal operation of fan simultaneously, and the fan safety cover is hollow out construction, and the air can be free the passing. The refrigeration module is used for cooling the air in the gauze mask, adopts thermoelectric refrigeration mode in this scheme, and thermoelectric module is controlled by control module, and first heat dissipation module 2 is as this thermoelectric module's cold junction radiator, and air in the cooling gauze mask, second heat dissipation module 3 are as this thermoelectric module's hot junction radiator, give off the gauze mask outside with the heat in the gauze mask.
Preferably, the ventilation and refrigeration equipment runs in a refrigeration mode, and the amount of refrigeration generated by the thermoelectric module is adjusted by controlling input power; and/or the presence of a gas in the gas,
the ventilation and refrigeration equipment operates in a refrigeration mode or in a ventilation mode, and when the fan is turned on, the convection intensity of the air on the side, facing the human body, of the wearable equipment 200 is adjusted by controlling the rotating speed of the fan.
The invention can effectively adjust the refrigerating capacity by adjusting the input power of the thermoelectric module, and can adjust the convection strength of the air inside the mask by adjusting the rotating speed of the fan, so as to enhance or weaken the heat exchange.
FIG. 6 is a control flow diagram according to one embodiment of the invention.
The specific description is as follows:
the ventilation and cooling device 100 has three operation modes, which are a ventilation mode, a cooling mode, and a purification mode.
The ventilation cooling device 100 immediately enters the cooling mode by pressing the control switch 7. At this time, the control module 6 controls the thermoelectric module 1 to maintain the minimum cooling capacity, and at the same time, controls the rotation speed of the fan 4 to maintain the low gear.
According to two control switches 7, the control module 6 controls the thermoelectric module 1 to maintain the maximum refrigerating capacity, and simultaneously controls the rotating speed of the fan 4 to maintain the high-grade speed.
In the case where the ventilation cooling device 100 is in the cooling mode, the valve of the air purification module 10 is opened, i.e., the purification mode is turned on.
Meanwhile, when the control switch 7 is pressed three times, the gas pollutant sensor in the control module 6 starts to detect the air pollution concentration S in the inner space of the mask in real time and feeds the air pollution concentration S back to the control module 6.
Preferably, the ventilation and refrigeration equipment further comprises a purification mode, wherein the ventilation and refrigeration equipment runs in a ventilation mode or runs in a refrigeration mode;
the control method further comprises a detection step for detecting a real-time air contaminant concentration S of a space on a side (i.e., an inner side) of the wearable device 200 facing the human body by the gas contaminant sensor;
the control method also comprises a judging step for judging the real-time air pollutant concentration S and the preset pollutant concentration SPreset ofThe magnitude relationship between them;
the control method further includes a control step for when S is>SPreset ofAnd controlling the air purification module 10 to be opened so that the ventilation and refrigeration equipment runs in the purification mode.
The ventilation refrigeration equipment is in a preferred control mode under a purification mode, the concentration of pollutants is detected and compared with the preset concentration, if the concentration exceeds the preset safe concentration, the purification decontamination is required, and at the moment, the air purification module is started, so that the air inside the mask is effectively purified through the air purification module.
Preferably, the detecting step is further for detecting when the detecting step is performedInitial pollutant concentration S of air purification module 10 startInitialAnd for detecting the pollutant concentration St after a time t when said air purification module 10 is switched on, where t is a constant greater than 0;
the judging step is also used for judging the size relationship between the S initial and the St;
and the control step is also used for controlling the air purification module 10 to maintain the opening state when St is less than S, and giving a prompt to prompt that the air purification module should be replaced in time when St is more than or equal to S.
This is a further preferred control form of the air purification module of the present invention, that is, after a certain time t, the control module 6, according to the data fed back by the gas contaminant sensor, when it is determined that the air contaminant concentration in the inner space of the mask is decreasing, that is, St < S is initial, it means that the adsorption capacity of the air purification module 10 is not saturated yet, and air purification can be continued; when the concentration of air pollution in the inner space of the mask is not changed or increased, that is, St is not less than S initial, it means that the adsorption capacity of the air purification module 10 is saturated and air purification cannot be continued, at this time, the control switch 7 will make a short beep sound to remind the user of timely replacing the air purification module with a new one.
When no purification needs to be provided, the thermoelectric module 1 will immediately be de-energized and the gas contaminant sensor of the control module 6 will also stop detecting, by simply turning off the valve of the air purification module 10, while long pressing the control switch 7. At this time, if the user needs to provide cooling, the user may press the control switch 7 a short time again.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.
Claims (16)
1. A ventilation refrigeration device, characterized by:
the ventilation and refrigeration equipment (100) can be arranged on the wearable equipment (200); and the ventilation cooling device (100) comprises: the wearable device comprises a thermoelectric module (1), a first heat dissipation module (2) and a second heat dissipation module (3), wherein the first heat dissipation module (2) is arranged on the cold end side of the thermoelectric module (1), the second heat dissipation module (3) is arranged on the hot end side of the thermoelectric module (1), the first heat dissipation module (2) is located on one side, facing the human body, of the wearable device (200), and the second heat dissipation module (3) is located on one side, facing the outside, of the wearable device;
the ventilation and refrigeration equipment further comprises a gas pollutant sensor and an air purification module (10), wherein the gas pollutant sensor can detect the concentration of the air pollutants in the space on one side, facing the human body, of the wearable equipment (200) in real time; the air purification module (10) can purify the air on one side of the wearable device (200) facing the human body, and the air purification module (10) can also be reminded whether to be turned on or turned off or replaced according to the air pollutant concentration detected by the gas pollutant sensor.
2. A ventilation cooling device as claimed in claim 1, wherein:
the air purification module (10) comprises SiO2Aerogel and valve that can be opened to let contaminants in the air on the side facing the human body enter the SiO2Aerogel to be adsorbed, the valve can also be closed to block SiO2Adsorption of pollutants in the air on the side facing the human body by the aerogel.
3. A ventilation cooling device as claimed in claim 1 or 2, wherein:
the ventilation refrigeration equipment (100) further comprises a first shell (51), and the first shell (51) covers the first heat dissipation module (2); and/or the ventilation refrigeration equipment (100) further comprises a second shell (52), and the second shell (52) is covered outside the second heat dissipation module (3).
4. A ventilation cooling device as claimed in claim 3, wherein:
a first air inlet (523) is formed in the second shell (52) at a position opposite to the thermoelectric module (1), and the thermoelectric module (1) and the first heat dissipation module (2) can form airflow communication, so that air outside the wearable device (200) can reach the thermoelectric module (1) through the first air inlet (523) and enter the first heat dissipation module (2) to exchange heat with the first heat dissipation module (2); and/or a first air outlet (512) is also arranged on the first shell (51).
5. A ventilation cooling device as claimed in claim 4, wherein:
when a first air inlet (523) is arranged at a position, opposite to the thermoelectric module (1), on the second shell (52), the first air inlet (523) is a hollow structure formed in the second shell (52); and/or when the first shell (51) is further provided with a first air outlet (512), the first air outlet (512) is of a hollow structure arranged on the first shell (51).
6. A ventilation cooling device as claimed in any one of claims 3 to 5, wherein:
a second air inlet (521) is formed in the position, opposite to the second heat dissipation module (3), of the second shell (52); and/or a second air outlet (522) is also arranged on the second shell (52).
7. A ventilation cooling device as claimed in claim 6, wherein:
the second air inlet (521) is a hollow structure formed in the second shell (52); and/or the second air outlet (522) is a hollow structure arranged on the second shell (52).
8. A ventilation cooling device as claimed in any one of claims 2 to 6, wherein:
the thermoelectric module (1) is positioned on one side of the wearable device (200) facing the outside, and when a second shell is included, the second shell (52) is also covered outside the thermoelectric module (1); and/or, when both a first housing (51) and a second housing (52) are included, the second housing (52) is connected to the first housing (51).
9. A ventilation cooling device as claimed in claim 8, wherein:
when a first shell (51) and a second shell (52) are included at the same time, and the second shell (52) is connected with the first shell (51), the second shell (52) and the first shell (51) are detachably and fixedly connected or are integrally formed.
10. A ventilation cooling device as claimed in any one of claims 1 to 9, wherein:
the first heat dissipation module (2) is also provided with a fan (4); and/or the thermoelectric module (1) is hermetically connected with the second heat dissipation module (3); and/or the thermoelectric module (1) comprises at least two thermoelectric module units (11).
11. A ventilation cooling device as claimed in claim 10, wherein:
when the air conditioner comprises a first air outlet (512) and a fan (4), the first air outlet (512) is arranged at a position opposite to the fan (4); and/or, when both a fan (4) and a first housing (51) are included, the fan (4) is disposed inside the first housing (51).
12. A ventilation cooling device as claimed in claim 10, wherein:
when including fan (4), first shell (51) and second shell (52) simultaneously, first shell (51) and/or be provided with control module (6) on second shell (52) or inside, control module (6) can control the switching of thermoelectric module (1) and the switching of fan (4) and can also according to the air pollution thing concentration that gas pollution thing sensor detected and remind whether air purification module (10) need open, or close or whether need change, ventilation refrigeration plant still include with control switch (7) that control module (6) electricity is connected.
13. A method of controlling a ventilation cooling device as claimed in any one of claims 1 to 12, wherein:
controlling the fan to be started, and simultaneously controlling the thermoelectric module to be closed, so that the ventilation and refrigeration equipment runs in a ventilation mode; alternatively, the first and second electrodes may be,
and controlling the fan to be turned on or off, and simultaneously controlling the thermoelectric module to be turned on, so that the ventilation and refrigeration equipment runs in a refrigeration mode.
14. The control method according to claim 13, characterized in that:
the ventilation and refrigeration equipment operates in a refrigeration mode, and the refrigeration capacity generated by the thermoelectric module is adjusted by controlling the input power; and/or the presence of a gas in the gas,
the ventilation and refrigeration equipment runs in a refrigeration mode or in a ventilation mode, and when the fan is started, the convection intensity of air on one side, facing the human body, of the wearable equipment (200) is adjusted by controlling the rotating speed of the fan.
15. The control method according to claim 13 or 14, characterized in that:
the ventilation and refrigeration equipment is operated in a ventilation mode or in a refrigeration mode;
the control method further comprises a detection step for detecting a real-time air pollutant concentration S of a space on one side of the wearable device (200) facing the human body through the gas pollutant sensor;
the control method further comprises a judging step for judging real-time air pollutionConcentration S of substance and concentration S of predetermined pollutantPreset ofThe magnitude relationship between them;
the control method further includes a control step for when S is>SPreset ofControlling the air purification module (10) to be opened so that the ventilation and refrigeration equipment operates in the purification mode.
16. The control method according to claim 15, characterized in that:
the detection step is also used for detecting the initial pollutant concentration S when the air purification module (10) is startedInitialAnd for detecting the concentration S of pollutants after a time t when said air purification module (10) is switched ontWherein t is a constant greater than 0;
the judging step is also used for judging SInitialAnd StThe magnitude relationship between them;
the control step is also used for St<SInitialControlling the air purification module (10) to maintain an open state when St≥SInitialThe control sends out the warning, reminds that the air purification module should be changed in time.
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