The present disclosure relates to an air pollution filtration executed in a car, and more particularly to an in-car air pollution prevention system.
With the growths of global population and the rapid development in industry, the air quality is deteriorating gradually. It is not only harmful to human health but also life-threatening in severe cases for people to expose in the harmful air pollution gases for a long time.
There are many pollutants in the air, such as carbon dioxide, carbon monoxide, formaldehyde, bacteria, fungi, volatile organic compound (VOC), particulate matter 2.5 (PM2.5) or ozone, etc. which may be seriously harmful to the human body as the concentration of pollutants increases. In the case of PM2.5, such fine particles might penetrate through the alveoli, enter the blood vessels, and circulate throughout the body along with the blood circulation. As a result, they not only might be harmful to the respiratory tract, but also might lead to cardiovascular disease and/or increases the risk of cancer.
Nowadays, the prevalence of epidemic diseases, such as influenza and pneumonia, not only threatens people's health, but also restricts people's social activities, and the willingness to take public transportation has also decreased. As a result, driving by themselves has become the first choice of transportation when people need to go out. Therefore, how to make sure that the gas in the vehicle is clean and safe for people to breath at all times during driving by people becomes an important research and development topic of the present disclosure.
An object of the present disclosure is to provide an in-car air pollution prevention system for executing an air pollution filtration in an interior space of a car, so that the air pollution source in the interior space of the car can be filtered rapidly, so as to provide clean, safe and breathable air.
In accordance with an aspect of the present disclosure, an in-car air pollution prevention system is provided and includes a plurality of gas detection modules, a gas conditioning device and a plurality of filtering, and purification components. The plurality of gas detection modules detect the status of gas and the air pollution source, and transmit at least one gas detection datum. The gas conditioning device controls the introduction or not introduction of external gas in an exterior space outside a car into the interior space of the car. The gas conditioning device includes a ventilation channel, a control drive unit and a gas guider, wherein the ventilation channel includes at least one air outlet, at least one air inlet and an external-gas inlet and the gas guider is disposed within the ventilation channel. The control drive unit receives and compares the gas detection data outputted by the gas detection modules. The gas guider guides the discharging of the gas from at least one air outlet and the inhaling of the gas through the external-gas inlet and the at least one air inlet. At least one of the plurality of filtering and purification components is disposed at the at least one air outlet for filtering and purifying the external gas and the air pollution source, at least one of the plurality of filtering and purification components is disposed at the at least one air inlet for filtering and purifying the air pollution source, and at least one of the plurality of gas detection modules is disposed at two sides of the plurality of filtering and purification components, respectively. After the control drive unit compares the gas detection data, the gas conditioning device is allowed to intelligently select and control the introduction or not introduction of the external gas in the exterior space into the interior space, and the gas guider of the gas conditioning device is instantly controlled to be enabled by the plurality of gas detection modules in a state of a monitoring mechanism for filtering and purifying the air pollution source in the interior space through the plurality of filtering and purification components, so that the air pollution source in the interior space is filtered and exchanged to provide clean air.
The above contents of the present disclosure will become more readily apparent to those ordinarily skilled in the art after reviewing the following detailed description and accompanying drawings, in which:
The present disclosure will now be described more specifically with reference to the following embodiments. It is to be noted that the following descriptions of preferred embodiments of this invention are presented herein for purpose of illustration and description only. It is not intended to be exhaustive or to be limited to the precise form disclosed.
Please refer to
In the embodiment, the plurality of gas detection modules includes a plurality of in-car gas detection modules 1a and a plurality of out-car gas detection modules 1b. The in-car gas detection module 1a is disposed at the position of an external-gas inlet 213 in the interior space A of the car for detecting an air pollution source in the interior space A of the car and transmitting an in-car gas detection datum. Preferably but not exclusively, in the embodiment, the in-car gas detection module 1a is a mobile detection device. That is, the in-car gas detection module 1a may be a wearable device, such as a watch or a bracelet, which is directly worn on the human body (not shown). When people get into the interior space A of the car, the in-car gas detection module 1b can detect the air pollution source in the interior space A of the car immediately in real-time at any time. In the embodiment, the out-car gas detection module 1b is disposed in an exterior space B outside the car for detecting the external gas in the exterior space B outside the car and transmitting an out-car gas detection datum.
In the embodiment, the gas conditioning device 2 controls the introduction or not introduction of the external gas in an exterior space B outside the car into the interior space A of the car. In addition, the gas conditioning device 2 includes a ventilation channel 21, a control drive unit 22 and an intake-control element 24. The control drive unit 22 includes a touch screen 221 for setting up the control instructions of the gas conditioning device 2 by touching the touch screen 221 and displaying the in-car gas detection datum. As shown in
In the embodiment, the filtering and purification components D are disposed at the positions of the air outlet 211 and the air inlet 212 of the ventilation channel 21 for filtering and purifying the external gas and the air pollution source. Moreover, two in-car gas detection modules 1a are disposed at two sides of the filtering and purification component D, respectively. Based on the gas detection data before and after filtering are detected by the in-car gas detection modules 1a on both sides, the control drive unit 22 is allowed to receive and compare the out-car gas detection datum outputted by the out-car gas detection module 1b and the in-car gas detection datum outputted by the in-car gas detection module 1a, so that the filter and purification component D is driven to filter the external gas and the air pollution source, so as to generate and introduce clean air into the interior space A of the car.
In the embodiment, the control drive unit 22 of the gas conditioning device 2 controls the opening and closing of the air intake control member 24, and receives and compares the in-car gas detection datum outputted from the in-car gas detection module 1a and the out-car gas detection datum outputted from the out-car gas detection module 1b, so as to determine the opening and closing of the external-gas inlet 213 and selectively control the introduction or not introduction of the external gas in the exterior space B outside the car into the interior space A of the car, and control the gas guider C of the gas conditioning device 2 to be enabled immediately in a state of a monitoring mechanism. Please refer to
Preferably but not exclusively, in an embodiment, the control drive unit 22 of the gas conditioning device 2 is configured to receive and compare the in-car gas detection data outputted by at least three in-car gas detection modules 1a under the calculation of artificial intelligence, so as to locate the position of the air pollution source in the interior space A of the car, and intelligently select and control the filtering and purification component D disposed in the position of the air inlet 212 adjacent to the air pollution source to accelerate the transportation for filtering.
Preferably but not exclusively, in another embodiment, the control drive unit 22 of the gas conditioning device 2 is configured to receive and compare the in-car gas detection data outputted by at least three in-car gas detection modules 1a under the calculation of artificial intelligence, so as to locate the position of the air pollution source in the interior space A of the car, and intelligently select and control the air outlet 211 adjacent to the air pollution source to expel gas in first priority, and direct the air pollution source toward the air inlet 212 adjacent thereto. At the same time, the control drive unit 22 of the gas conditioning device 2 selects and controls the rest of the air outlets 211 to expel gas under the calculation of artificial intelligence, so as to generate an airflow to direct the air pollution source toward the air inlet 212 adjacent to the air pollution source and to be inhaled for filtering rapidly.
In the embodiment, the state of the monitoring mechanism is enabled when at least one of the gas detection data of the air pollution source detected by the plurality of gas detection modules in the interior space A of the car is greater than a safe detection value. Preferably but not exclusively, the safe detection value comprises at least one selected from the group consisting of PM2.5 less than 35 μg/m3, carbon dioxide content less than 1000 ppm, total volatile organic compounds (TVOC) less than 0.56 ppm, formaldehyde content less than 0.08 ppm, the amount of bacteria less than 1500 CFU/m3, the amount of fungi less than 1000 CFU/m3, sulfur dioxide content less than 0.075 ppm, nitrogen dioxide content less than 0.1 ppm, carbon monoxide content less than 9 ppm, ozone content less than 0.06 ppm, lead content less than 0.15 μg/m3 and a combination thereof.
Please refer to
Preferably but not exclusively, in an embodiment, the control drive unit 22 of the gas conditioning device 2 is configured to receive and compare the in-car gas detection data outputted by at least three in-car gas detection modules 1a under the calculation of artificial intelligence, so as to locate the position of the air pollution source in the interior space A of the car, and intelligently select and control the enabling of the purification and filtration device 3 adjacent to the air pollution source, so the the air pollution source can be inhaled into the purification and filtration device 3 without diffusion to accelerate the filtration.
Preferably but not exclusively, in another embodiment, the control drive unit 22 of the gas conditioning device 2 is configured to receive and compare the in-car gas detection data outputted by at least three in-car gas detection modules 1a under the calculation of artificial intelligence, so as to locate the position of the air pollution source in the interior space A of the car, and intelligently select and control the purification and filtration device 3 adjacent to the air pollution source to be enabled in first priority. At the same time, the control drive unit 22 of the gas conditioning device 2 selects and controls the rest of the purification and filtration devices 3 to be enabled under the calculation of artificial intelligence, so that an airflow is generated to direct the air pollution source toward the purification and filtration device 3 adjacent to the air pollution source to be inhaled for filtering rapidly.
In the embodiment, at least one of the plurality of in-car gas detection modules 1a is disposed at two sides of the plurality of purification and filtration devices 3, respectively. Based on the in-car gas detection data before and after filtering are detected by the in-car gas detection modules 1a on both sides, the control drive unit 22 can receive and compare the in-car gas detection data outputted by the in-car gas detection modules 1a located at the positions of the plurality of the purification and filtration devices 3 to ensure the air pollution source is filtered by the plurality of the purification and filtration devices 3, so as to generate another clean air introduced into the interior space A of the car.
In the embodiment, the state of the monitoring mechanism is enabled when at least one of the gas detection data of the air pollution source detected by the plurality of gas detection modules in the interior space A of the car is greater than a safe detection value. Preferably but not exclusively, the safe detection value comprises at least one selected from the group consisting of PM2.5 less than 35 μg/m3, carbon dioxide content less than 1000 ppm, total volatile organic compounds (TVOC) less than 0.56 ppm, formaldehyde content less than 0.08 ppm, the amount of bacteria less than 1500 CFU/m3, the amount of fungi less than 1000 CFU/m3, sulfur dioxide content less than 0.075 ppm, nitrogen dioxide content less than 0.1 ppm, carbon monoxide content less than 9 ppm, ozone content less than 0.06 ppm, lead content less than 0.15 μg/m3 and a combination thereof.
In the embodiment, the filtering and purification component D includes a combination of various implementations. Preferably but not exclusively, the filtering and purification component D can be a combination of an activated carbon D1 and a high efficiency particulate air (HEPA) filter screen D2; or a combination of an activated carbon D1, a high efficiency particulate air (HEPA) filter screen D2 and a zeolite screen D3. The activated carbon D1 is configured to filter and absorb the particulate matter 2.5 (PM2.5), the zeolite screen D3 is configured to filter and absorb the volatile organic compounds (VOC), and the HEPA filter screen D2 is configured to absorb the chemical smoke, bacteria, dust particles and pollen contained in the gas, so that the air pollution source introduced into the filtering and purification component D is filtered and purified to achieve the effect of filtering and purifying. In some embodiment, the HEPA filter screen D2 is coated with a cleansing factor containing chlorine dioxide layer, so as to inhibit viruses, bacteria and fungi contained in gas introduced into the filtering and purification component D. Preferably but not exclusively, the HEPA filter screen D2 is coated with a cleansing factor containing chlorine dioxide layer, so as to inhibit viruses, bacteria, fungi, influenza A, influenza B, enterovirus and norovirus in the air pollution source introduced into the filtering and purification component D. The inhibition ratio is more than 99%, and it is helpful of reducing the cross-infection of viruses. In some embodiment, the HEPA filter screen D2 is coated with an herbal protective layer extracted from ginkgo and Japanese rhus chinensis to form an herbal protective anti-allergic filter, so as to resist allergy effectively and destroy a surface protein of influenza virus (H1N1) introduced by the filtering and purification component D and passing through the HEPA filter screen D2. In some embodiment, the HEPA filter screen D2 is coated with a silver ion, so as to inhibit viruses and bacteria contained in the air pollution source introduced by the filtering and purification component D.
In an embodiment, the filtering and purification component D includes the combination of an activated carbon D1, a high efficiency particulate air (HEPA) filter screen D2 and a zeolite screen D3, and a phot-catalyst unit D4. In that, the air pollution source is introduced into the filtering and purification component D and the light energy is converted into the chemical energy by the photo-catalyst unit D4, thereby decomposing harmful material in the air pollution source and disinfecting bacteria contained therein, so as to achieve the effects of filtering and purifying.
In an embodiment, the filtering and purification component D includes the combination of an activated carbon D1, a high efficiency particulate air (HEPA) filter screen D2 and a zeolite screen D3, and a photo-plasma unit D5. The photo-plasma unit D5 includes a nanometer irradiation tube. The air pollution source introduced by the filtering and purification component D is irradiated by the nanometer irradiation tube to decompose and purify volatile organic compounds contained in the air pollution source. When the air pollution source is introduced by the filtering and purification component D, the introduced gas is irradiated by the nanometer irradiation tube, thereby oxygen molecules and water molecules contained in the air pollution are decomposed into high oxidizing photo-plasma, and generates an ion flow capable of destroying organic molecules. In that, volatile formaldehyde, volatile toluene and volatile organic compounds (VOC) contained in the air pollution are decomposed into water and carbon dioxide, so as to achieve the effects of filtering and purifying.
In an embodiment, the filtering and purification component D includes the combination of an activated carbon D1, a high efficiency particulate air (HEPA) filter screen D2 and a zeolite screen D3, and a negative ionizer D6. When the air pollution source introduced by the filtering and purification component D passes through a high voltage discharge, it makes the suspended particles in the air pollution source to carry with positive charge and adhered to the dust collecting plate carry with negative charges, so as to achieve the effects of filtering and purifying the air pollution source introduced.
In an embodiment, the filtering and purification component D includes the combination of an activated carbon D1, a high efficiency particulate air (HEPA) filter screen D2 and a zeolite screen D3, and a plasma ion unit D7. A high-voltage plasma column with plasma ion is formed by the plasma ion unit D7, so as to decompose viruses or bacteria contained in the air pollution source introduced by the filtering and purification component D. The oxygen molecules and water molecules contained in the air pollution source are decomposed into positive hydrogen ions (H+) and negative oxygen ions (O2−) by the plasma ion. The substances attached with water around the ions are adhered on the surface of viruses and bacteria and converted into OH radicals with extremely strong oxidizing power, thereby removing hydrogen (H) from the protein on the surface of viruses and bacteria, and thus decomposing (oxidizing) the protein, so as to filter the introduced air pollution source and achieve the effects of filtering and purifying.
In an embodiment, the filtering and cleaning component D may merely include the HEPA filter screen D2. In an embodiment, the HEPA filter screen D2 is combined with any one of the phot-catalyst unit D4, the photo-plasma unit D5, the negative ionizer D6 and the plasma ion unit D7. In an embodiment, the HEPA filter screen D2 is combined with a combination of any two of the phot-catalyst unit D4, the photo-plasma unit D5, the negative ionizer D6 and the plasma ion unit D7. In an embodiment, the HEPA filter screen D2 is combined with a combination of any three of the phot-catalyst unit D4, the photo-plasma unit D5, the negative ionizer D6 and the plasma ion unit D7. Alternatively, the HEPA filter screen D2 is combined with the phot-catalyst unit D4, the photo-plasma unit D5, the negative ionizer D6 and the plasma ion unit D7.
Notably, the service life of the HEPA filter screen D2 is calculated based on the monitoring mechanism of the gas detection data detected by the in-car gas detection module 1a and the out-car gas detection module 1a with reference to an accumulated operation time of the gas guider C in the gas conditioning device 2.
After understanding the method of notifying in-car air pollution of the present disclosure, the implementation devices for the method of notifying in-car air pollution of the present disclosure are described in detail as following.
Please refer to
In the embodiment, the air pollution source is at least one selected from the group consisting of particulate matter, carbon monoxide, carbon dioxide, ozone, sulfur dioxide, nitrogen dioxide, lead, total volatile organic compounds (TVOC), formaldehyde, bacteria, fungi, virus and a combination thereof.
Please refer to
In the embodiment, the gas-guiding-component loading region 1215 mentioned above is concavely formed from the second surface 1212 and in communication with the gas-inlet groove 1214. A ventilation hole 1215a penetrates a bottom surface of the gas-guiding-component loading region 1215. The gas-guiding-component loading region 1215 includes four positioning protrusions 1215b disposed at four corners of the gas-guiding-component loading region 1215, respectively. In the embodiment, the gas-outlet groove 1216 includes a gas-outlet 1216a, and the gas-outlet 1216a is spatially corresponding to the outlet opening 1261b of the outer cover 126. The gas-outlet groove 1216 includes a first section 1216b and a second section 1216c. The first section 1216b is concavely formed out from the first surface 1211 in a region spatially corresponding to a vertical projection area of the gas-guiding-component loading region 1215. The second section 1216c is hollowed out from the first surface 1211 to the second surface 1212 in a region where the first surface 1211 is extended from the vertical projection area of the gas-guiding-component loading region 1215. The first section 1216b and the second section 1216c are connected to form a stepped structure. Moreover, the first section 1216b of the gas-outlet groove 1216 is in communication with the ventilation hole 1215a of the gas-guiding-component loading region 1215, and the second section 1216c of the gas-outlet groove 1216 is in communication with the gas-outlet 1216a. In that, when first surface 1211 of the base 121 is attached and covered by the outer cover 126 and the second surface 1212 of the base 121 is attached and covered by the driving circuit board 123, the gas-outlet groove 1216 and the driving circuit board 123 collaboratively define an outlet path.
In the embodiment, the laser component 124 and the particulate sensor 125 are disposed on and electrically connected to the driving circuit board 123 and located within the base 121. In order to clearly describe and illustrate the positions of the laser component 124 and the particulate sensor 125 in the base 121, the driving circuit board 123 is intentionally omitted. The laser component 124 is accommodated in the laser loading region 1213 of the base 121, and the particulate sensor 125 is accommodated in the gas-inlet groove 1214 of the base 121 and is aligned to the laser component 124. In addition, the laser component 124 is spatially corresponding to the transparent window 1214b, therefore, a light beam emitted by the laser component 124 passes through the transparent window 1214b and is irradiated into the gas-inlet groove 1214. A light beam path emitted from the laser component 124 passes through the transparent window 1214b and extends in an orthogonal direction perpendicular to the gas-inlet groove 1214. In the embodiment, a projecting light beam emitted from the laser component 124 passes through the transparent window 1214b and enters the gas-inlet groove 1214 to irradiate the suspended particles contained in the gas passing through the gas-inlet groove 1214. When the suspended particles contained in the gas are irradiated and generate scattered light spots, the scattered light spots are received and calculated by the particulate sensor 125 to obtain the gas detection information. In the embodiment, the gas sensor 127 is positioned and disposed on the driving circuit board 123, electrically connected to the driving circuit board 123, and accommodated in the gas-outlet groove 1216, so as to detect the air pollution source introduced into the gas-outlet groove 1216. Preferably but not exclusively, in an embodiment, the gas sensor 127 includes a volatile-organic-compound sensor for detecting the information of carbon dioxide (CO2) or volatile organic compounds (TVOC). Preferably but not exclusively, in an embodiment, the gas sensor 127 includes a formaldehyde sensor for detecting the information of formaldehyde (HCHO) gas. Preferably but not exclusively, in an embodiment, the gas sensor 127 includes a bacteria sensor for detecting the information of bacteria or fungi. Preferably but not exclusively, in an embodiment, the gas sensor 127 includes a virus sensor for detecting the information of virus in the gas. Preferably but not exclusively, the gas sensor 127 is a temperature and humidity sensor for detecting the temperature and humidity information of the gas.
In the embodiment, the piezoelectric actuator 122 is accommodated in the square-shaped gas-guiding-component loading region 1215 of the base 121. In addition, the gas-guiding-component loading region 1215 of the base 121 is in fluid communication with the gas-inlet groove 1214. When the piezoelectric actuator 122 is enabled, the gas in the gas-inlet groove 1214 is inhaled by the piezoelectric actuator 122, so that the gas flows into the piezoelectric actuator 122, and is transported into the gas-outlet groove 1216 through the ventilation hole 1215a of the gas-guiding-component loading region 1215. Moreover, the driving circuit board 123 covers the second surface 1212 of the base 121, and the laser component 124 is positioned and disposed on the driving circuit board 123, and is electrically connected to the driving circuit board 123. The particulate sensor 125 is also positioned and disposed on the driving circuit board 123 and electrically connected to the driving circuit board 123. In that, when the outer cover 126 covers the base 121, the inlet opening 1261a is spatially corresponding to the gas-inlet 1214a of the base 121, and the outlet opening 126 lb is spatially corresponding to the gas-outlet 1216a of the base 121.
In the embodiment, the piezoelectric actuator 122 includes a gas-injection plate 1221, a chamber frame 1222, an actuator element 1223, an insulation frame 1224 and a conductive frame 1225. In the embodiment, the gas-injection plate 1221 is made by a flexible material and includes a suspension plate 1221a and a hollow aperture 1221b. The suspension plate 1221a is a sheet structure and is permitted to undergo a bending deformation. Preferably but not exclusively, the shape and the size of the suspension plate 1221a are accommodated in the inner edge of the gas-guiding-component loading region 1215, but not limited thereto. The hollow aperture 1221b passes through a center of the suspension plate 1221a, so as to allow the gas to flow therethrough. Preferably but not exclusively, in the embodiment, the shape of the suspension plate 1221a is selected from the group consisting of a square, a circle, an ellipse, a triangle and a polygon, but not limited thereto.
In the embodiment, the chamber frame 1222 is carried and stacked on the gas-injection plate 1221. In addition, the shape of the chamber frame 1222 is corresponding to the gas-injection plate 1221. The actuator element 1223 is carried and stacked on the chamber frame 1222. A resonance chamber 1226 is collaboratively defined by the actuator element 1223, the chamber frame 1222 and the suspension plate 1221a and is formed between the actuator element 1223, the chamber frame 1222 and the suspension plate 1221a. The insulation frame 1224 is carried and stacked on the actuator element 1223 and the appearance of the insulation frame 1224 is similar to that of the chamber frame 1222. The conductive frame 1225 is carried and stacked on the insulation frame 1224, and the appearance of the conductive frame 1225 is similar to that of the insulation frame 1224. In addition, the conductive frame 1225 includes a conducting pin 1225a and a conducting electrode 1225b. The conducting pin 1225a is extended outwardly from an outer edge of the conductive frame 1225, and the conducting electrode 1225b is extended inwardly from an inner edge of the conductive frame 1225.
Moreover, the actuator element 1223 further includes a piezoelectric carrying plate 1223a, an adjusting resonance plate 1223b and a piezoelectric plate 1223c. The piezoelectric carrying plate 1223a is carried and stacked on the chamber frame 1222. The adjusting resonance plate 1223b is carried and stacked on the piezoelectric carrying plate 1223a. The piezoelectric plate 1223c is carried and stacked on the adjusting resonance plate 1223b. The adjusting resonance plate 1223b and the piezoelectric plate 1223c are accommodated in the insulation frame 1224. The conducting electrode 1225b of the conductive frame 1225 is electrically connected to the piezoelectric plate 1223c. In the embodiment, the piezoelectric carrying plate 1223a and the adjusting resonance plate 1223b are made by a conductive material. The piezoelectric carrying plate 1223a includes a piezoelectric pin 1223d. The piezoelectric pin 1223d and the conducting pin 1225a are electrically connected to a driving circuit (not shown) of the driving circuit board 123, so as to receive a driving signal, such as a driving frequency and a driving voltage. Through this structure, a circuit is formed by the piezoelectric pin 1223d, the piezoelectric carrying plate 1223a, the adjusting resonance plate 1223b, the piezoelectric plate 1223c, the conducting electrode 1225b, the conductive frame 1225 and the conducting pin 1225a for transmitting the driving signal. Moreover, the insulation frame 1224 is insulated between the conductive frame 1225 and the actuator element 1223, so as to avoid the occurrence of a short circuit. Thereby, the driving signal is transmitted to the piezoelectric plate 1223c. After receiving the driving signal such as the driving frequency and the driving voltage, the piezoelectric plate 1223c deforms due to the piezoelectric effect, and the piezoelectric carrying plate 1223a and the adjusting resonance plate 1223b are further driven to generate the bending deformation in the reciprocating manner.
Furthermore, in the embodiment, the adjusting resonance plate 1223b is located between the piezoelectric plate 1223c and the piezoelectric carrying plate 1223a and served as a cushion between the piezoelectric plate 1223c and the piezoelectric carrying plate 1223a. Thereby, the vibration frequency of the piezoelectric carrying plate 1223a is adjustable. Basically, the thickness of the adjusting resonance plate 1223b is greater than the thickness of the piezoelectric carrying plate 1223a, and the vibration frequency of the actuator element 1223 can be adjusted by adjusting the thickness of the adjusting resonance plate 1223b. In the embodiment, the gas-injection plate 1221, the chamber frame 1222, the actuator element 1223, the insulation frame 1224 and the conductive frame 1225 are stacked and positioned in the gas-guiding-component loading region 1215 sequentially, so that the piezoelectric actuator 122 is supported and positioned in the gas-guiding-component loading region 1215. A plurality of clearances 1221c are defined between the suspension plate 1221a of the gas-injection plate 1221 and an inner edge of the gas-guiding-component loading region 1215 for gas flowing therethrough.
A flowing chamber 1227 is formed between the gas-injection plate 1221 and the bottom surface of the gas-guiding-component loading region 1215. The flowing chamber 1227 is in communication with the resonance chamber 1226 between the actuator element 1223, the chamber frame 1222 and the suspension plate 1221a through the hollow aperture 1221b of the gas-injection plate 1221. By controlling the vibration frequency of the gas in the resonance chamber 1226 to be close to the vibration frequency of the suspension plate 1221a, the Helmholtz resonance effect is generated between the resonance chamber 1226 and the suspension plate 1221a, so as to improve the efficiency of gas transportation. When the piezoelectric plate 1223c is moved away from the bottom surface of the gas-guiding-component loading region 1215, the suspension plate 1221a of the gas-injection plate 1221 is driven to move away from the bottom surface of the gas-guiding-component loading region 1215 by the piezoelectric plate 1223c. In that, the volume of the flowing chamber 1227 is expanded rapidly, the internal pressure of the flowing chamber 1227 is decreased to form a negative pressure, and the gas outside the piezoelectric actuator 122 is inhaled through the clearances 1221c and enters the resonance chamber 1226 through the hollow aperture 1221b. Consequently, the pressure in the resonance chamber 1226 is increased to generate a pressure gradient. When the suspension plate 1221a of the gas-injection plate 1221 is driven by the piezoelectric plate 1223c to move toward the bottom surface of the gas-guiding-component loading region 1215, the gas in the resonance chamber 1226 is discharged out rapidly through the hollow aperture 1221b, and the gas in the flowing chamber 1227 is compressed, thereby the converged gas is quickly and massively ejected out of the flowing chamber 1227 under the condition close to an ideal gas state of the Benulli's law, and transported to the ventilation hole 1215a of the gas-guiding-component loading region 1215.
By repeating the above operation steps shown in
Please refer to
Accordingly, in view of the above description of the present disclosure, as shown in
While the invention has been described in terms of what is presently considered to be the most practical and preferred embodiments, it is to be understood that the invention needs not be limited to the disclosed embodiment. On the contrary, it is intended to cover various modifications and similar arrangements included within the spirit and scope of the appended claims which are to be accorded with the broadest interpretation so as to encompass all such modifications and similar structures.
Number | Date | Country | Kind |
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110114805 | Apr 2021 | TW | national |