TWI733482B - Air filtering and cleaning device - Google Patents

Abstract

An air filtering and cleaning device has a housing and a filtering and cleaning unit. The housing has an air inlet, an air outlet and a power supply unit. The filtering and cleaning unit has a case, multiple UV lights, a HEPA and a fan assembly. The case is detachably mounted in an inner accommodating space of the housing such that an airflow entrance and an airflow exit are respectively corresponded to the air inlet and the air outlet of the housing in an airflow communication. An airflow passage of the case is sequentially formed into multiple lateral through channels and multiple longitudinal bending channels. The UV lights are disposed in a separate distance and protrude into the lateral through channels. The HEPA and the fan assembly are mounted on the case. The UV lights and the fan assembly are electrically connected to the power supply unit.

Description

Air filter device

The present invention relates to an air filter device, in particular to an air filter device that prolongs the air processing time and improves the disinfection and sterilization effects.

With the advancement of modern technological life, people's requirements for indoor air quality have gradually increased. The current common method for improving indoor air quality is to filter out solid particles contained in the air through an air filter. The so-called solid particles include: dust, bacteria, mold, or pollen. Furthermore, for bacteria and mold, the air filter is _{disinfected by ultraviolet light, photocatalyst or ozone O 3} ; as for dust and pollen, the air filter is filtered through the internal filter.

However, the airflow channels inside the existing air cleaner are mostly linear paths, so that after the air enters the air cleaner from the air inlet, it flows directly to the outlet and exits the air cleaner. Therefore, in the air filter, the air quickly passes through the area where ultraviolet light, photocatalyst or ozone O ₃ is installed for short-term disinfection, and then is discharged from the air filter to the room. In other words, the residence time of the air inside the air filter is short, so that the air does not have enough time to be irradiated by ultraviolet light, contact with photocatalyst or ozone O ₃ for disinfection, resulting in ineffective air disinfection and sterilization. .

Therefore, the purpose of the present invention is to provide an air filter device that can prolong the treatment time of air disinfection and sterilization and improve the efficacy of air disinfection and sterilization.

The technical means adopted by the present invention to solve the problems of the prior art is to provide an air filter device, comprising: a casing with an air inlet, an air outlet and a power supply unit, the air inlet and the air outlet are connected with each other. Pass through the same indoor environment; and a filter unit with a housing, a plurality of ultraviolet lamp elements, a high efficiency filter (HEPA), and a fan assembly. The housing has an air inlet, an air outlet, and an air channel, and the housing is It is installed in the internal accommodating space of the cabinet by disassembly and assembly so that the air inlet and the air outlet respectively correspond to the air inlet and outlet of the cabinet in airflow communication, and the air inlet and the air outlet are respectively different Ground is located at the two ends of the air flow channel, and the air flow channel sequentially forms a plurality of transverse through flow channels and a plurality of longitudinal bending flow channels along the longitudinal direction of the casing, and a plurality of the transverse through flow channels and A plurality of longitudinally bent flow passages are communicated in such a way that each of the longitudinally bent flow passages connects two adjacent transverse through-passage passages, and a plurality of the ultraviolet lamp elements are arranged at intervals along the longitudinal direction of the housing. Protruding into a plurality of the transverse through-flow passages in the transverse direction of the housing, the high-efficiency filter and the fan assembly are installed in the housing in a manner configured to receive air from the airflow outlet, and a plurality of the ultraviolet lamps The element and the fan assembly are electrically connected to the power supply unit, so that the air in the indoor environment is drawn by the fan assembly through the air inlet and the air inlet to enter the air flow channel, so as to extend the air in the filter unit And increase the time for air disinfection and sterilization by a plurality of the ultraviolet lamp elements, and the air flows through the high-efficiency filter screen to filter impurities and returns to the indoor environment through the airflow outlet and the exhaust port.

In one embodiment of the present invention, there is provided an air filter device, wherein the airflow channel of the housing is formed by a partition, and the partition forms a plurality of communicating areas along the longitudinal direction of the housing. It is radially protruding and formed on the inner wall surface of the casing, and the partition forms an inclination angle with respect to the transverse direction of the casing, so that a spirally curved air flow path is formed inside the casing.

In one embodiment of the present invention, there is provided an air filter device, wherein a spiral coil is installed in the casing, and the air flow channel is formed through the inner space of the spiral coil.

In an embodiment of the present invention, an air filter device is provided, wherein the casing further has a fixing hook for the air filter device to be installed on other air filter devices.

In an embodiment of the present invention, an air filter device is provided, wherein the casing further has a suction cup for the air filter device to be installed in other air filter devices.

In an embodiment of the present invention, an air filter device is provided, which further has an auxiliary ultraviolet lamp element, which is installed in the housing of the filter unit in a manner adjacent to the high-efficiency filter screen. The air in the filter is further disinfected and sterilized.

In one embodiment of the present invention, an air filter device is provided, which further has a battery. The battery is installed in the casing and electrically connected to the power supply unit, and supplies power to the air filter device when an external power source is lacking. .

In one embodiment of the present invention, an air filter device is provided, wherein the power supply unit has an operation panel installed on the surface of the casing for the user to control the current supplied to the air filter device .

In one embodiment of the present invention, there is provided an air filter device further having a caster set, the caster set is installed at the bottom of the casing, so that the user can easily move the air filter device.

In one embodiment of the present invention, an air filter device is provided, which further has a rotating element and a telescopic tube set. The rotating element has an outer ring fixing part and an inner ring rotating part. The outer ring fixing part is mounted on the housing In the air inlet, the outer surface of the outer ring fixing member is fixedly abutted against the inner surface of the air inlet, and the inner ring rotating member is in the same direction as the axis of the outer ring fixing member and can be relative to the outer ring The ring fixing member is mounted on the inner surface of the outer ring fixing member by rotating, and the hollow of the inner ring rotating member is connected to the inside of the housing. The telescopic tube set has a first tube and a second tube. One end of a pipe is arranged in the air inlet of the casing and connected to the inner ring rotating part of the rotating element, so that the first pipe can follow the inner ring rotating part relative to the outer ring fixing part and the machine The shell rotates, and the second pipe is installed in the other end of the first pipe in the same direction as the axis of the first pipe and can be telescopically and retracted relative to the first pipe along the length direction of the first pipe And the second tube has an opening to communicate with the interior of the telescopic tube set, the hollow of the inner ring rotating part of the rotating element, and the indoor environment.

Through the technical means adopted by the air filter device of the present invention, the following technical effects can be obtained. The non-linear (for example, spirally curved) airflow channel lengthens the path length of the air traveling inside the air filter device of the present invention, and extends the treatment time of air disinfection and sterilization by the ultraviolet lamp element, thereby improving the performance of the present invention The air filter device has the effect of disinfecting and sterilizing the air.

Hereinafter, the embodiments of the present invention will be described based on Figs. 1 to 7. This description is not intended to limit the implementation of the present invention, but is a kind of embodiment of the present invention.

As shown in FIG. 1, an air filter device 100 according to a first embodiment of the present invention includes: a casing 1 and a filter unit 2. Thereby, in the air filter device 100 of the present invention, the air travels in a non-linear manner (for example, spirally and bent to lengthen the path length of the air travel) through the air filter device 100, and the air is extended for disinfection and disinfection. Sterilization treatment time to enhance the effectiveness of disinfection and sterilization of air.

As shown in FIG. 1, the casing 1 has an air inlet 11, an air outlet 12 and a power supply unit 13. The air inlet 11 and the air outlet 12 are in air flow communication with the same indoor environment. Furthermore, the power supply unit 13 has an operation panel 131, and the operation panel 131 is installed on the surface of the casing 1 for a user to control the current supplied to the air filter device 100 from an external power source. Of course, in the present invention, the way the air filter device 100 obtains the current source is not limited to an external power source, and the air filter device 100 can also obtain an operating current source through the installation of a battery.

As shown in Figure 1, the filter unit 2 is installed inside the casing 1. In addition, the filter unit 2 has a housing 21, a plurality of ultraviolet lamp elements 22, a high-efficiency filter 23, and a fan assembly 24.

As shown in FIG. 1, the housing 21 has an air inlet 211, an air outlet 212 and an air channel 213. The housing 21 is detachably installed in the internal accommodating space of the housing 1, so that the air inlet 211 and the air outlet 212 respectively correspond to the air inlet 11 and exhaust of the housing 1 in an air flow communication manner. Port 12. In addition, the air inlet 211 and the air outlet 212 are respectively located at two ends of the air flow channel 213, and the air flow channel 213 sequentially forms a plurality of transverse through flow channels 214 and a plurality of flow channels 214 along the longitudinal direction of the housing 21. A longitudinal bending flow channel 215. More specifically, a plurality of the transverse through flow passages 214 and a plurality of longitudinally bent flow passages 215 are communicated in such a manner that each of the longitudinally bent flow passages 215 connects two adjacent transverse through flow passages 214.

Specifically, as shown in FIG. 1, the air flow channel 213 of the housing 21 is formed by the partition 201. The partition 201 is radially protrudingly formed on the shell in such a manner that a plurality of communicating regions (that is, the transverse through flow channel 214 and the longitudinally bent flow channel 215) are formed along the longitudinal direction of the shell 21 The inner wall surface of the body 21. In addition, the partition 201 forms an oblique angle with respect to the lateral direction of the casing 21, so that a spirally curved air flow path is formed inside the casing 21.

As shown in FIG. 1, a plurality of the ultraviolet lamp elements 22 are arranged at intervals along the longitudinal direction of the housing 21. In addition, a plurality of the ultraviolet lamp elements 22 protrude along the transverse direction of the housing 21 into a plurality of the transverse through flow channels 214. In detail, the ultraviolet lamp element 22 mainly emits light of ultraviolet C wave (that is, UVC), and is supplemented with light of part of ultraviolet A wave (that is, UVA) or ultraviolet B wave (that is, UVB). In this way, the air flow entering the air flow channel 213 is disinfected and sterilized.

As shown in FIG. 1, the high-efficiency filter 23 and the fan assembly 24 are installed on the housing 21 in a manner configured to receive air from the air outlet 212. In detail, according to the embodiment of the present invention disclosed in Figure 1, the high efficiency filter 23 covers the airflow outlet 212 in a manner of being installed inside the housing 21, and the fan assembly 24 corresponds in position to the The air outlet 212 is installed outside the housing 21 in a manner. Of course, in the present invention, the specific method of installing the high-efficiency filter 23 and the fan assembly 24 is not limited to the above. For example, the high-efficiency filter 23 can also be installed outside the housing 21 or the fan assembly 24. Set inside the housing 21. In addition, a plurality of the ultraviolet lamp elements 22 and the fan assembly 24 are electrically connected to the power supply unit 13.

Furthermore, the High-Efficiency Particulate Air (HEPA, High-Efficiency Particulate Air) 23 is a high-efficiency air particulate filter. The high-efficiency filter 23 is used for air purification, and blocks the tiny dust contained in the air passing through the high-efficiency filter 23. Specifically, the high-efficiency filter can filter at least 99.97% of particles with a diameter greater than or equal to 0.3 micrometers (µm) in the air.

Therefore, it can be seen from the foregoing that, as shown in FIG. 1, the air in the indoor environment is drawn by the fan assembly 24 through the air inlet 11 and the air inlet 211 and enters the air flow channel 213. In addition, since the airflow channel 213 forms a spirally curved non-linear path, the air flow path in the filter unit 2 can be prolonged and the time for the ultraviolet lamp elements 22 to sterilize and sterilize the air can be increased. Then, the air flows through the high-efficiency filter 23 to filter impurities and passes through the air outlet 212 and the exhaust port 12 to return to the indoor environment.

As shown in FIG. 2, according to the air filter device 100A of the second embodiment of the present invention, the housing 21A is equipped with a spiral coil 20A, and the air flow channel 213 is formed through the inner space of the spiral coil 20A. In other words, the two ends of the spiral coil 20A are respectively connected to the air inlet 211A and the air outlet 212A of the housing 21A, and the inner space of the spiral coil 20A forms a spirally curved air flow path. A plurality of the ultraviolet lamp elements 22A protrude into a plurality of the transverse through flow passages 214A (the longitudinally bent flow passage 215A connects two adjacent transverse through flow passages 214A). In addition, the high-efficiency filter 23A and the fan assembly 24 are located outside the casing 21A corresponding to the air flow outlet 212A.

Furthermore, as shown in FIG. 3, according to the air filter device 100B of the third embodiment of the present invention, the casing 1B further has a fixing hook 14B for the air filter device 100B to be installed in other air filters Device. In other words, the air filter device 100B can be additionally installed in other air treatment devices for filtering, dust collection or sterilization through the fixing hook 14B, so that the present invention can cooperate with the air treatment device to perform air cleaning and disinfection. handle.

Or, as shown in FIG. 4, according to the air filter device 100B of the third embodiment of the present invention, the casing 1B further has a suction cup 15B for the air filter device 100B to be installed in other air filter devices. In other words, the air filter device 100B can be additionally installed in other air treatment devices for filtering, dust collection or sterilization through the suction cup 15B, so that the present invention can cooperate with the air treatment device to perform air cleaning and disinfection treatment. .

As shown in FIG. 5, the air cleaning device 100C of the fourth embodiment of the present invention further has an auxiliary ultraviolet lamp element 3C. The auxiliary ultraviolet lamp element 3C is installed in the housing 21C of the filter unit 2C in a manner adjacent to the high-efficiency filter 23C, and further disinfects and sterilizes the air flowing to the high-efficiency filter 23C. Of course, the present invention is not limited to "the auxiliary ultraviolet lamp element 3C is installed inside the housing 21C." The auxiliary ultraviolet lamp element 3C can also be adjusted according to the way the high-efficiency filter 23C is installed, for example: The auxiliary ultraviolet lamp element 3C can cooperate with the high-efficiency filter 23C to be arranged outside the casing 21C and installed outside the casing 21C.

As shown in FIG. 6, the air cleaning device 100D of the fifth embodiment of the present invention further has a battery 4D. The storage battery 4D is installed in the casing 1D and is electrically connected to the power supply unit 13D, and supplies power to the air filter device 100D when an external power supply is lacking. Furthermore, when the power of the storage battery 4D is exhausted, the user can move the air filter device 100D to a place near the external power source to charge the storage battery 4D. Of course, the present invention is not limited to the technical content of "the battery 4D is arranged inside the casing 1D" disclosed in FIG. 6, and the battery 4D can also be arranged outside the casing 1D through attachment.

As shown in Figure 7, the air cleaning device 100E of the sixth embodiment of the present invention has, in addition to the battery 4E electrically connected to the power supply unit 13E, a caster group 16E, a rotating element 17E, and a retractable Tube group 18E. Specifically, the caster set 16E is installed at the bottom of the casing 1E, so that the user can easily move the air filter device 100E to the place where air disinfection and sterilization are to be performed.

Specifically, the rotating element 17E has an outer ring fixing part and an inner ring rotating part. The outer ring fixing member is installed in the air inlet 211E, so that the outer surface of the outer ring fixing member is fixedly abutted against the inner surface of the air inlet 211E. In addition, the inner ring rotating member is mounted on the inner surface of the outer ring fixing member in the same direction as the axis of the outer ring fixing member and rotatable relative to the outer ring fixing member (in other words, the rotating The element 17E can be a bearing). The hollow of the inner ring rotating part of the rotating element 17E is connected to the inside of the air filter device 100E.

As shown in Figure 7, the telescopic tube set 18E has a first tube 181E and a second tube 182E. One end of the first pipe member 181E is disposed in the air inlet 11E and connected to the inner ring rotating member of the rotating element 17E, so that the first pipe member 181E can follow the inner ring rotating member relative to the outer ring fixing member And the casing 1E rotates. The second pipe 182E is installed on the other of the first pipe 181E in the same direction as the axis of the first pipe 181E and can extend and contract with respect to the first pipe 181E along the length direction of the first pipe 181E. In one end, the second tube 182E has an opening 180E to communicate with the interior of the telescopic tube set 18E, the hollow of the inner ring rotating part of the rotating element 17E, and the indoor environment.

As described above, the air filter device 100 of the embodiment of the present invention forms a spirally curved flow channel through the transverse through flow channel 214 and the longitudinally bent flow channel 215 of the air flow channel 213, so that the air flows in a non-linear manner. After the filtration unit 2. Thereby, the present invention can extend the length of the air travel path inside the air filter device 100 of the present invention, and extend the disinfection and sterilization treatment time of the air through the plurality of UV lamp elements 22, thereby enhancing the efficacy of air disinfection and sterilization. . Furthermore, since the casing 21 is installed in the casing 1 in a dismountable manner, the filter unit 2 can be replaced in a modular manner according to the needs of maintenance and update, thereby reducing the maintenance of the user. The difficulty of the air filter device 100.

Moreover, the air filter device 100B of the embodiment of the present invention can be installed in other air filter devices through the fixing hook 14B or the suction cup 15B. In this way, the present invention enables the air filter device 100B to be used with other air treatment devices in a flexible manner according to the user's use requirements, thereby improving the efficacy of air disinfection and sterilization.

Furthermore, the air filter device 100C of the present invention further disinfects and sterilizes the air flowing to the high-efficiency filter 23C (in the housing 21C) through the auxiliary ultraviolet lamp element 3C, so that the air is discharged This air filter device 100C has been disinfected and sterilized again before. Thereby, the efficacy of air disinfection and sterilization of the present invention can be improved.

In addition, the air filter device 100E of the present invention can guide the air of different heights in the indoor environment to enter the air filter device 100E through the opening 180E through the expansion and contraction of the length of the pipe fittings of the telescopic tube set 18E. The bacteria and pollution sources in the air at different levels are disinfected and sterilized. In addition, the telescopic tube set 18E can further cooperate with the rotating element 17E, so that the telescopic tube set 18E can be rotated at a large angle relative to the casing 1E (for example, a 360-degree rotation) to enlarge the telescopic tube set 18E absorbs and guides air into the air filter device 100E for disinfection and sterilization operation angle range.

The above descriptions and descriptions are only descriptions of the preferred embodiments of the present invention. Those with general knowledge of this technology should make other modifications based on the scope of patent applications defined below and the above descriptions, but these modifications should still be made. It is the spirit of the present invention and falls within the scope of the rights of the present invention.

100: Air filter device 100A: Air filter device 100B: Air filter device 100C: Air filter device 100D: Air filter device 100E: Air filter device 1: chassis 1B: Chassis 1D: Chassis 1E: Chassis 11: Air inlet 11E: Air inlet 12: Exhaust port 13: Power supply unit 13D: power supply unit 13E: power supply unit 131: Operation panel 14B: fixed hook 15B: Suction cup 16E: casters 17E: Rotating element 18E: Telescopic tube set 181E: The first pipe fitting 182E: second pipe fitting 180E: opening 2: filter unit 2C: Filter unit 201: Partition 20A: spiral coil 21: Shell 21A: Shell 21C: Shell 211: Air inlet 211A: Air inlet 211E: Air inlet 212: Air outlet 212A: Air outlet 213: Airflow Channel 214: Horizontal through flow channel 214A: Horizontal through flow channel 215: Longitudinal bending runner 215A: Longitudinal bending runner 22: UV lamp components 22A: UV lamp element 23: High efficiency filter 23A: High efficiency filter 23C: High efficiency filter 24: Fan assembly 3C: Auxiliary UV lamp components 4D: battery 4E: battery

[Figure 1] is a schematic cross-sectional view showing the air filter device according to the first embodiment of the present invention; [Figure 2] is a schematic cross-sectional view showing an air filter device according to a second embodiment of the present invention; [Figure 3] is a schematic side view showing the air filter device according to the third embodiment of the present invention; [Figure 4] is a schematic side view showing another air filter device according to the third embodiment of the present invention; [Figure 5] is a schematic cross-sectional view showing an air filter device according to a fourth embodiment of the present invention; [Figure 6] is a schematic cross-sectional view showing an air filter device according to a fifth embodiment of the present invention; and [Figure 7] is a schematic cross-sectional view showing an air filter device according to a sixth embodiment of the present invention.

100: Air filter device

1: chassis

11: Air inlet

12: Exhaust port

13: Power supply unit

131: Operation panel

2: filter unit

201: Partition

21: Shell

211: Air inlet

212: Air outlet

213: Airflow Channel

214: Horizontal through flow channel

215: Longitudinal bending runner

22: UV lamp components

23: High efficiency filter

24: Fan assembly

Claims (10)

An air filter device includes: a casing with an air inlet, an exhaust port, and a power supply unit, the air inlet and the exhaust port are in airflow communication with the same indoor environment; and a filter unit with a casing and a plurality of An ultraviolet lamp element, a high-efficiency filter, and a fan assembly. The housing has an air inlet, an air outlet, and an air channel, and the housing is detachably installed in the internal accommodating space of the housing to make the air inlet And the air flow outlet respectively correspond to the air inlet and the air outlet of the casing in air flow communication, the air inlet and the air outlet are respectively located at the two ends of the air flow channel, and the air flow channel is along the shell In the longitudinal direction, a plurality of transverse through-flow channels and a plurality of longitudinally bent runners are formed in sequence. The longitudinally bent flow prop has a downward slope and the plural of the transverse through-flow channels and the plurality of longitudinally bent runners are divided into each One of the longitudinally bent flow passages connects two adjacent transverse through flow passages to form a serpentine spiral flow passage, and a plurality of the ultraviolet lamp elements are arranged at intervals along the longitudinal direction of the housing. The transverse direction of the housing protrudes into a plurality of the transverse through-flow passages, the high-efficiency filter and the fan assembly are installed in the housing in a manner configured to receive air from the airflow outlet, and a plurality of the ultraviolet lamp elements And the fan assembly is electrically connected to the power supply unit, so that the air in the indoor environment is drawn by the fan assembly through the air inlet and the air inlet to enter the air flow channel, so as to extend the air in the filter unit And increase the time for air disinfection and sterilization by a plurality of the ultraviolet lamp elements, and the air flows through the high-efficiency filter to filter impurities and returns to the indoor environment through the airflow outlet and the exhaust port. The air filter device according to claim 1, wherein the air flow passage of the housing is formed by a partition, and the partition is radially formed in a manner of forming a plurality of communicating regions along the longitudinal direction of the housing The ground is protrudingly formed on the inner wall surface of the casing, and the partition forms an oblique angle with respect to the transverse direction of the casing, so that a spirally curved air flow path is formed inside the casing. The air filter device according to claim 1, wherein a spiral coil tube is installed in the casing, and the air flow channel is formed through the inner space of the spiral coil tube. The air filter device according to claim 1, wherein the casing further has a fixing hook for the air filter device to be installed in other air filter devices. The air filter device according to claim 1, wherein the casing further has a suction cup for the air filter device to be installed in other air filter devices. The air filter device according to claim 1 further has an auxiliary ultraviolet lamp element which is installed in the housing of the filter unit in a manner adjacent to the high-efficiency filter, and for the air flowing to the high-efficiency filter Further disinfection. The air filter device according to claim 1 further has a battery installed in the casing and electrically connected to the power supply unit, and supplies power to the air filter device when an external power source is lacking. The air filter device according to claim 1, wherein the power supply unit has an operation panel installed on the surface of the casing for a user to control the current supplied to the air filter device. The air filter device described in claim 1 further has a caster set installed at the bottom of the casing so that the user can easily move the air filter device. The air filter device described in claim 1 further has a rotating element and a telescopic tube set. The rotating element has an outer ring fixing part and an inner ring rotating part, and the outer ring fixing part is installed in the air inlet of the housing, And the outer surface of the outer ring fixing member is fixedly abutted against the inner surface of the airflow inlet, the The inner ring rotating member is mounted on the inner surface of the outer ring fixing member in the same direction as the axis of the outer ring fixing member and rotatable relative to the outer ring fixing member, and the hollow of the inner ring rotating member In communication with the inside of the casing, the telescopic tube set has a first tube and a second tube, one end of the first tube is arranged in the air inlet of the casing and connected to the inner ring rotating part of the rotating element, and The first tube can rotate with the inner ring rotating member relative to the outer ring fixing member and the casing, and the second tube can be in the same direction as the axis of the first tube and can be along the first tube The length direction of the first pipe is installed in the other end of the first pipe relative to the way the first pipe is telescopic, and the second pipe has an opening to communicate with the interior of the telescopic pipe group and the hollow of the inner ring of the rotating element. And the indoor environment.

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