CN115950031B - Air handling unit - Google Patents
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- CN115950031B CN115950031B CN202211536430.6A CN202211536430A CN115950031B CN 115950031 B CN115950031 B CN 115950031B CN 202211536430 A CN202211536430 A CN 202211536430A CN 115950031 B CN115950031 B CN 115950031B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
本申请公开了一种空气处理装置，属于空气处理技术领域。空气处理装置包括：激光净化装置，用于净化空气；激光净化装置包括：净化壳体，其上形成有进风口和出风口，以及连通进风口和出风口的净化风道，净化壳体的内壁上设有反光镜面层；激光发生器，其连接在净化壳体内，激光发生器向净化风道内发射激光，激光在反光镜面层上进行多次反射，以对净化风道内的空气进行杀菌；空气质量传感器，以空气的流动路径为参考，其设于所述进风口处或所述进风口的上游，用于检测空气质量a；控制器，用于控制激光发生器间歇性开启，并根据空气质量a控制激光发生器的开关时长。本空气处理装置采用激光对空气净化，具有净化效率高的优点。
The present application discloses an air treatment device, which belongs to the field of air treatment technology. The air treatment device includes: a laser purification device for purifying air; the laser purification device includes: a purification shell, on which an air inlet and an air outlet are formed, and a purification air duct connecting the air inlet and the air outlet, and a reflective mirror layer is provided on the inner wall of the purification shell; a laser generator, which is connected in the purification shell, and the laser generator emits a laser into the purification air duct, and the laser is reflected multiple times on the reflective mirror layer to sterilize the air in the purification air duct; an air quality sensor, which is set at the air inlet or upstream of the air inlet with reference to the flow path of the air, and is used to detect the air quality a; a controller, which is used to control the intermittent opening of the laser generator, and control the switching time of the laser generator according to the air quality a. This air treatment device uses laser to purify the air, and has the advantage of high purification efficiency.
Description
Technical Field
The application relates to the technical field of air treatment, in particular to an air treatment device.
Background
The purification function of the air treatment device is mostly to install a purification device at an air inlet of the air treatment device or to install an ion generator at an air outlet. The purification effect of the current purification mode has a plurality of limitations, and the purification efficiency is not high. As the demand for air purification increases, concepts using laser purification have been proposed.
However, the irradiation area of the laser beam is small, and long time work is required when applied to purification of flowing air, resulting in an increase in power consumption and cost.
Disclosure of Invention
The application provides an air treatment device, which increases the radiation range of laser through multiple reflections of the laser and improves the air purification efficiency.
The air treatment device comprises a shell, an air duct, a laser purification device and a controller, wherein the shell is provided with an inlet, an outlet and an air duct communicated with the inlet and the outlet, the laser purification device is arranged in the air duct and used for purifying air in the air duct, the laser purification device comprises a purification shell, an air inlet and an air outlet are formed in the purification shell, a purification air duct communicated with the air inlet and the air outlet, a reflector surface layer is arranged on the inner wall of the purification shell, a laser generator is connected in the purification shell and used for emitting laser into the purification air duct, the laser is reflected on the reflector surface layer for multiple times so as to sterilize the air in the purification air duct, the air quality sensor is arranged between the inlet and the air inlet and used for detecting air quality a, and the controller is used for controlling the intermittent opening of the laser generator and controlling the switching time of the laser generator according to the air quality a.
The air treatment device provided by the application is provided with the laser purification device, so that the laser energy is utilized for rapid sterilization to achieve better purification effect and purification efficiency. In addition, in the laser purification device, the inner wall of the purification shell is provided with the mirror surface, so that the radiation range of laser in the purification air duct can be increased by utilizing the principle of mirror reflection, and the flowing air can be purified by air.
The intermittent start of the laser generator can prolong the service life of the laser generator, meet the requirement of the whole machine on the service life, be beneficial to heat dissipation of the laser generator, ensure the normal performance of the product and prolong the service life of the laser generator, and in addition, can reduce the power consumption and has the advantage of energy conservation.
In some embodiments, each time the laser generator is turned on for a period of T ON and then turned off for a period of T OFF, when a < a1, the laser generator is controlled to be turned off, when a1 is less than or equal to a < a2, the energy-saving purification mode is entered, the switching period of the laser generator meets T ON＜TOFF, when a2 is less than or equal to a < a3, the general purification mode is entered, the switching period of the laser generator meets T ON＝TOFF, when a is more than or equal to a3, the strong purification mode is entered, the switching period of the laser generator meets T ON＞TOFF, wherein T ON、TOFF, a1, a2 and a3 are preset values, and a1< a2< a3.
In some embodiments, the laser generators are provided with a plurality of laser generators, and the laser generators are turned on T ON and turned off T OFF once for one period, and the plurality of laser generators work alternately according to the period.
In some embodiments, an energy-saving purge mode is entered when a1.ltoreq.a2, a general purge mode is entered when a2.ltoreq.a3, n 1×TON＝TOFF in the energy-saving purge mode, T ON＝TOFF in the general purge mode, wherein T ON、TOFF is a preset value, and n 1 >1, for one cycle.
In some embodiments, the laser generators have m number of lasers, respectively denoted as Q 1、Q2、......Qm, and the m number of lasers are alternately operated, namely, after Q 1 is turned on for T ON, the laser generators are alternately turned on for T ON by Q 2 at the same time of shutdown, and the like until Q m is turned on for T ON, and the laser generators are turned back to Q 1 for circulation at the same time of shutdown.
In some embodiments, the system further comprises a human sensor arranged on the laser purification device and used for detecting the approach of a person, and the controller is used for controlling the shutdown of the laser generator when the approach of the person is detected.
In some embodiments, the mirror facing is aluminum foil or tin foil.
In some embodiments, the mirror surface layer is a metal material or glass.
In some embodiments, the mirror facing is bonded to the interior wall of the purge housing.
In some embodiments, the purge housing has a shape corresponding to the shape of the air duct.
In some embodiments, the purification housing is a cuboid, the air inlet and the air outlet are respectively located on opposite sides of the purification housing, and the laser generator is located on a side wall of the purification housing adjacent to the air inlet.
In some embodiments, the laser purification device further comprises an air guide blade which is connected in the purification air duct in a swinging manner, wherein the controller is used for acquiring the swinging angle of the air guide blade according to a working mode selected by a user and a preset data table and controlling the air guide blade to swing to a corresponding angle, and the data table comprises corresponding data of the swinging angles of the air guide blade in different working modes.
The air flow control device comprises a shell, a fan and a controller, wherein the fan is arranged in the shell and used for driving air to flow, the controller is further used for obtaining the wind speed of the fan according to a working mode selected by a user and a preset data table and controlling the fan to operate at the corresponding wind speed, and the data table contains corresponding data of the wind speed of the fan in different working modes.
In some embodiments, the laser purification device further comprises an air guide blade which is connected in the purification air duct in a swinging mode, wherein the controller is used for acquiring the swinging angle of the air guide blade according to a windshield selected by a user and a preset data table and controlling the air guide blade to swing to a corresponding angle, and the data table comprises corresponding data of the swinging angles of the air guide blade under different windshields.
Drawings
FIG. 1 illustrates a schematic diagram of an air treatment device according to some embodiments;
FIG. 2 shows a schematic diagram of a laser purification apparatus according to one embodiment;
FIG. 3 shows a schematic diagram of a laser purification apparatus according to another embodiment;
FIG. 4 shows a schematic view of a laser purification apparatus according to yet another embodiment;
FIG. 5 illustrates a schematic diagram of laser reflection according to some embodiments;
FIG. 6 shows a schematic diagram of laser reflection according to further embodiments;
FIG. 7 shows a schematic diagram of a laser purification apparatus according to yet another embodiment;
FIG. 8 illustrates a schematic view of wind-guiding vanes in a purge air duct according to some embodiments;
FIG. 9 illustrates a schematic view of a wind-guiding vane in a purge air duct according to further embodiments;
FIG. 10 illustrates a schematic view of a drive structure of a wind-guiding blade according to some embodiments;
FIG. 11 illustrates a schematic view of a light barrier in a purge air duct in a blocking position, according to some embodiments;
FIG. 12 illustrates a schematic view of a light barrier in a purge stack in an open position according to some embodiments;
FIG. 13 illustrates a schematic view of a light barrier in a purge stack in an open position according to further embodiments;
FIG. 14 illustrates a schematic diagram of a driving structure of a light barrier according to some embodiments;
FIG. 15 illustrates a logic timing diagram for two lasers in an energy efficient purge mode according to some embodiments;
FIG. 16 illustrates a logic timing diagram for two lasers in a general purge mode in accordance with some embodiments;
FIG. 17 illustrates a logic timing diagram for two lasers in a strong purge mode, in accordance with some embodiments;
FIG. 18 illustrates a schematic diagram of a laser purification device and a high voltage electrostatic power supply according to some embodiments;
FIG. 19 shows a schematic diagram of a laser purification device and a high voltage electrostatic power supply according to further embodiments;
FIG. 20 shows a schematic diagram of a laser purification apparatus and a high voltage electrostatic power supply according to further embodiments;
FIG. 21 shows a schematic view of an air treatment device according to further embodiments;
In the above figures, 10, a casing, 11, an inlet, 12, an outlet, 13, an air duct, 20, a fan, 30, a laser purifying device, 31, a purifying casing, 311, an air inlet, 312, an air outlet, 313, a purifying air duct, 314, a convex part, 315, a first casing, 316, a second casing, 317, a middle casing, 32, a laser generator, a wind guiding blade, 331, a first wind guiding blade, 332, a second wind guiding blade, 333, a rotating shaft, 34, a connecting rod, 341, a rack, 351, a motor, 352, a gear, 36, a fixed rod, 37, a light blocking plate, 371, an air inlet light blocking plate, 372, an air outlet light blocking plate, 38, a driving motor, 40, a high-voltage static power supply, 41, a positive high-voltage static power supply, 42, a negative high-voltage static power supply, 100, an air treatment machine, 110 and an air pipe.
Detailed Description
For the purposes of making the objects and embodiments of the present application more apparent, an exemplary embodiment of the present application will be described in detail below with reference to the accompanying drawings in which exemplary embodiments of the present application are illustrated, it being apparent that the exemplary embodiments described are only some, but not all, of the embodiments of the present application.
In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the device or element in question must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the present application.
The terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying that the number of technical features indicated is indicated. Thus, a feature defining "first", "second" may include one or more of such features explicitly or implicitly. In the description of the present application, unless otherwise indicated, "a plurality of" means two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or in communication with each other between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
The air treatment device of the present application will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, arrows in fig. 1 indicate air flow directions, an air treatment apparatus according to an embodiment of the present application includes a cabinet 10 having an inlet 11 and an outlet 12, a blower 20 circulating air to the inside or outside of the cabinet 10, and a laser purifying apparatus 30 for purifying air.
The cabinet 10 forms the general appearance of an air treatment device, on which an inlet 11 and an outlet 12 are formed, and air enters the cabinet 10 from the inlet 11, is treated, and is blown back into the room from the outlet 12. An air duct 13 is also provided in the housing 10 to communicate the inlet 11 and the outlet 12, and air flows along the air duct 13 after entering the housing 11.
A fan 20 is disposed within the air duct 13. The blower 20 is used to blow out air so that the air can flow from the inlet 11 to the outlet 12.
The air treatment device of the application can be an air conditioner, a fresh air machine, a dehumidifier and the like. In either type, the air treatment device needs to purify the air.
A laser purification device 30 is provided in the air duct 13 for sterilizing air flowing through the air duct 13. Specifically, the laser purification device 30 is provided at the inlet 11 or in the duct 13 for sterilizing and purifying the air from the inlet 11.
In other embodiments, referring to FIG. 21, an air treatment device includes an air handler 100 and an air duct 110. An air duct 110 communicates between the air handler 100 and the room for effecting the transfer of air therebetween.
The air treatment device 100 in this embodiment may be a central air conditioner with an air duct, an air duct machine, a total heat exchanger, etc., and most of these air treatment devices are suspended ceiling mounted, and communication between the air treatment device 100 and the room is achieved through the air duct 110.
The air handler 100 has an air duct 13 therein, and the laser cleaning device 30 may be disposed in the air duct 13.
In other implementations, the laser purification device 30 may be disposed within the air duct 110 for sterilizing air flowing through the air duct 110.
Laser is a high energy photon flow that can cause absorption, excitation, oscillation or ionization of biomolecules, resulting in cleavage or partial cleavage of certain chemical bonds and even distortion of chromosomes. The mechanism of laser purification of microorganisms (e.g., bacteria, viruses, etc.) is as follows:
The thermal effect is that the laser is absorbed by bacteria or the adhesion matter thereof, which causes the temperature to rise sharply and damages the tissue structure of the bacteria;
chemical effect-laser can cause the rupture of cell molecular chemical bond;
mechanical effect-laser impact deforms cells in compression to rupture;
ionization effect, namely, plasma generated by laser has a certain effect of killing bacteria.
The laser can realize short-time sterilization, so that a better air purifying effect can be realized by utilizing the laser sterilization.
Referring to fig. 2 to 4, the laser cleaning device 30 includes a cleaning housing 31, and a laser generator 32 for emitting laser light.
The purge housing 31 forms the general appearance of the laser purge apparatus 30. An air inlet 311 and an air outlet 312 are formed thereon, and with reference to fig. 1, air enters the housing 10 from the inlet 11, then enters the laser purification device 30 from the air inlet 311, is purified in the laser purification device 30, and flows into the air duct 13 from the air outlet 312.
Thus, in the air flow path, the air inlet 311 is closer to the inlet 11 than the air outlet 312, that is, the air inlet 311 is located upstream of the air outlet 312.
A purification air duct 313 is formed by communicating between the air inlet 311 and the air outlet 312 in the purification housing 31. The air entering the air inlet 311 flows along the purge air duct 313 to the air outlet 312.
The laser generator 32 may be connected in the purge air duct 313 by means such as screws, snaps, or adhesive, etc., and the laser generator 32 emits laser light to the outside, thereby achieving air purge by the laser light.
Since the laser beam from the laser generator 32 is very thin and directional, this results in a relatively small area to which the laser is directed, and only a small portion of the air in the air duct can be purged. To increase the purge rate, in some embodiments of the present application, the inner wall of the purge housing 31 is designed with a mirror surface by which the reflection of the laser light inside the purge air duct 313 is increased. Specifically, the inner wall of the purge housing 31 may be provided with a mirror surface layer to enhance reflection by a mirror surface.
The air treatment device of the application achieves better purification effect and purification efficiency by utilizing the characteristic of rapid sterilization of laser energy due to the arrangement of the laser purification device 30 therein.
Moreover, in the laser purifying device 30, since the inner wall of the purifying housing 31 is set to be a mirror surface, the radiation range of the laser light in the purifying air duct 313 can be increased by utilizing the principle of mirror reflection, and the flowing air can be purified by the air.
According to some embodiments of the present application, the mirror surface layer may be formed by providing a smooth mirror surface material such as aluminum foil, tin foil, etc., which can reflect light, on the inner wall of the purification housing 31.
The mirror material may be attached to the inner wall of the purge housing 31 by adhesive means. Or by spraying, the processing technology is simpler and the cost is lower.
The laser purification device 30 has an outer shape corresponding to the shape of the air duct 13. For example, the cross section of the air duct type air conditioner indoor unit is rectangular, the purifying shell 31 of the laser purifying device 30 is rectangular, the cross section of the air duct of the fresh air fan is circular, the purifying shell 31 of the laser purifying device 30 is cylindrical, and the available space in the large-scale centralized heat exchange air conditioning equipment (such as AHU) is large, so that the shape of the laser purifying device 30 is not limited, and the laser purifying device can be spherical, cuboid or cylindrical.
Illustratively, referring to fig. 2, the laser purification device 30 is spherical, and the air inlet 311 and the air outlet 312 are disposed at both ends of the sphere having the same diameter. The laser generator 32 is located on one side of the spherical wall between the air inlet 311 and the air outlet 312, and the number of the laser generators 32 may be one or increased in the opposite position or the side position.
The laser light emitted from the laser generator 32 is continuously reflected inside the sphere, so that the exposure time of the air flowing from the air inlet 311 to the air outlet 312 is prolonged.
For example, referring to fig. 3, the laser purification device 30 has a cylindrical shape, and an air inlet 311 and an air outlet 312 are respectively provided on two circular surfaces of the cylinder. The laser generator 32 is located on the side wall of the cylinder, and the number of laser generators 32 may be one or increased in the facing position or the side position.
The laser light emitted from the laser generator 32 is continuously reflected on the side wall of the cylinder, so that the exposure time of the air flowing through the air inlet 311 to the air outlet 312 is lengthened.
Illustratively, referring to fig. 4, the laser purifying device 30 has a rectangular parallelepiped shape, and an air inlet 311 and an air outlet 312 are respectively provided on a set of opposite sides of the rectangular parallelepiped shape. The four sides other than the sides where the air inlet 311 and the air outlet 312 are located are reflection surfaces, and the laser generator 32 may be disposed on the reflection surfaces, and in addition, the laser generator 32 may be disposed in one or more than one.
The laser light emitted from the laser generator 32 is continuously reflected on the reflecting surface, so that the exposure time of the air flowing through the air inlet 311 to the air outlet 312 is prolonged.
In some embodiments of the present application, referring to fig. 5, the inner wall of the purification housing 31 is a concave curved surface, so that the reflected light can be more concentrated in the purification air duct after the laser is reflected on the concave curved surface, which is beneficial to improving the laser purification effect and purification efficiency.
When the purifying housing 31 is cylindrical or spherical, the inner wall is directly concave, and the inner wall can be directly concave, and when the purifying housing 31 is rectangular, the inner wall can be concave.
In some embodiments of the present application, referring to fig. 6 and 7, the inner wall of the purge housing 31 has a plurality of protrusions 314 thereon. Thus, diffuse reflection is easily formed when the laser light is irradiated onto the convex portion 314, and the light irradiation area is increased.
The convex portions 314 may be provided with reflection surfaces at predetermined intervals so that the laser light is irradiated inside the purge housing 31 without dead angles.
The outer surface of the convex portion 314 is spherical, which can increase the reflection range of light.
The protruding part 314 and the purifying shell 31 can be manufactured by integral molding, the manufacturing process is simple, and the cost is low.
In some embodiments of the present application, referring to fig. 8-10, the arrows in which illustrate the air flow path, the laser purification device 30 further includes a wind guiding vane 33. The air guide vane 33 is disposed in the purification air duct 313 and extends from the side wall of the purification air duct 313 toward the center direction, so that the air guide vane 33 blocks air, and the flow direction of the air in the purification air duct 313 is changed, thereby prolonging the flow path of the air, prolonging the flow time of the air in the purification air duct 313, namely, increasing the exposure time, and improving the purification rate of the air.
According to some embodiments of the present application, the plurality of air guiding blades 33 are arranged at intervals along the flow direction of the air. In this way, the flow direction of the air can be changed multiple times, and the flow path of the air can be prolonged.
In some embodiments, referring specifically to FIG. 8, the purge air duct 313 has opposite first and second sidewalls, and the air guiding vanes 33 include first and second air guiding vanes 331 and 332, the first air guiding vane 331 extending from the first sidewall toward the center, and the second air guiding vane 332 extending from the second sidewall toward the center. The first air guiding blades 331 and the second air guiding blades 332 are staggered from the air inlet 311 to the air outlet 312. In this way, the flow direction is changed by the first air guiding blade 31 and the second air guiding blade 332 in turn a plurality of times during the air flow process, the flow path is further prolonged, the exposure time is further increased, and the purification rate is further improved.
In addition, along the air flow direction, the first air guiding blades 331 are arranged at intervals, the second air guiding blades 332 are arranged at intervals, and the first air guiding blades 331 and the second air guiding blades 332 form a labyrinth path in the purifying air duct 313, so that the air flow path is prolonged.
In some embodiments, referring specifically to fig. 9, the air guiding blades 33 are disposed inclined within the purge air duct 313, from the side wall of the purge air duct 313 toward the center, and the air guiding blades 33 are inclined toward the air outlet 312. In this way, the inclined arrangement of the air guide vanes 33 can reduce the wind resistance to the air while extending the air flow path.
In some embodiments, the wind guiding vanes 33 may be arranged swingably. The swing angle of the wind guiding vane 33 can be used to meet both the requirements of the purification rate and the wind resistance.
For example, when the air guide vane 33 swings to 90 °, the air flow path is relatively long, the purge rate is high, however, the wind resistance is large, when the air purge rate needs to be improved mainly, the air guide vane 33 can be controlled to swing to this angle (90 °), when the air guide vane 33 swings to be nearly parallel to the air flow direction, the wind resistance is minimum, however, the flow path is not prolonged, the purge rate is relatively low, and when the wind speed needs to be large, the air guide vane 33 can be controlled to swing to a small angle even 0 °.
The wind guiding blades 33 are rotatably connected relative to the purifying shell 31, and the plurality of wind guiding blades 33 are linked through a connecting rod 34, and when the connecting rod 34 moves, the wind guiding blades 33 swing together.
The first driving member is connected to the link 34 for driving the link 34 to move. Specifically, referring to fig. 10, the first driving member may be in the form of a motor and a rack and pinion structure. The connecting rod 34 is provided with a rack 341, the rack 341 is meshed with a gear 352, and when the motor 351 drives the gear 352 to rotate, the gear 352 drives the rack 341 to move, so that the movement of the connecting rod 34 is realized.
In other embodiments, the first driving member may also be a cylinder with a telescopic rod, an electric push cylinder, a hydraulic cylinder, or the like. The telescopic rod is connected with the connecting rod 34, and the movement of the connecting rod 34 is realized through the telescopic of the telescopic rod.
According to the embodiment of the application, the laser purification device 30 further comprises a fixing rod 36, the fixing rod 36 is fixedly connected to the inner wall of the purification air duct 313, a mounting hole is formed in the fixing rod 36, and a rotating shaft 333 on the air guiding blade 33 is fitted in the mounting hole. When the connecting rod 34 drives the wind guiding vane 33 to move, the rotating shaft 333 rotates relative to the fixing rod 36.
The moving distance of the connecting rod 34 can control the swing angle of the wind guiding blade 33.
In some embodiments of the present application, since the difference in the swing angle of the wind guide vane 33 affects the purification efficiency of the laser purification apparatus 30, the air purification apparatus may have various purification modes, such as a general purification mode, a strong purification mode, etc., according to the difference in purification efficiency.
The controller may control the wind-guiding blades 33 to swing to corresponding angles according to different purge modes. For example, the wind guiding vane 33 swings to a preset angle α in the general purge mode, and the wind guiding vane 33 swings to a preset angle β in the strong purge mode. The swing angle is the included angle between the wind guiding blade 33 and the extension direction of the purifying air duct 313, and alpha is smaller than beta. The air guide vane 33 has a better extension effect on the air flow path under a larger swing angle, and has higher purification efficiency.
In addition, different wind speeds can be correspondingly set in different purification modes. The controller controls the wind speed of the blower 30 according to different purge modes. For example, in the strong purge mode, the fan corresponds to a wind speed a, in the general purge mode, the fan corresponds to a wind speed b, and in the normal mode, corresponds to a wind speed c. A is less than or equal to b < c, the lower the wind speed is, the slower the flow speed of air in a purifying air duct is, the longer the exposure time is, and the higher the purifying rate is, and the idea is changed, when a user selects a strong purifying mode, the user is more careful about the purifying effect of the air, the lower the wind speed is, the purifying requirement can be preferentially met, and when the user selects a normal mode, the user is more careful about the basic performance, the higher the wind speed is, and the requirement of the user on the basic performance can be preferentially met.
The operation modes, the swing angles of the wind guiding blades 33 and the wind speeds are stored in the memory in a form of one-to-one correspondence table, and after receiving the operation modes selected by the user, the controller controls the wind guiding blades 33 to swing to the corresponding angles according to the table, and controls the fan 30 to operate at the corresponding wind speeds.
The purification modes of different degrees enable the air treatment device to be more intelligent, and the purification requirements of different air pollution degrees are met.
In some embodiments, the swing angle of the wind guiding blade can be controlled in linkage with the wind quantity, that is, the controller is used for adjusting the wind guiding blade to a corresponding angle according to the wind gear selected by the user.
Specifically, when the controller receives a high wind gear selected by a user, the controller adjusts the swing of the wind guide blade to a preset angle alpha 1, and when the controller receives a low wind gear selected by the user, the controller adjusts the swing of the wind guide blade to an angle beta 1, wherein alpha 1 is smaller than beta 1. The swing angle of the wind guiding blade is small when the wind speed is high, so that the wind guiding blade reduces the blocking of wind, and the requirement of a user on high wind quantity is preferentially met. The user's low wind level indicates that there is not a high demand for basic performance, at which time purging may be prioritized.
In some embodiments, for convenience of description, both the air inlet 311 and the air outlet 312 are referred to as an air port.
Referring to fig. 11 to 13, the laser purification apparatus 30 may include a light blocking plate 37, the light blocking plate 37 being disposed at the tuyere for blocking laser light and preventing the laser light from leaking out.
In one example, the position of the laser generator 32 in the purification air duct 313 may be determined first, and then the reflection path of the laser in the purification air duct 313 may be calculated according to the reflection rule of the laser, so that the emission range of the laser at the air port may be known, and the light blocking plate 37 is disposed corresponding to the emission range, so as to block the laser and avoid the laser from leaking out.
In another example, the minimum air volume performance requirement of the product may be first confirmed, the shielding area of the light barrier 37 to the purge air duct 313 is confirmed by the minimum air volume, and then the position range of the light barrier 37 is used as a point on the laser reflection path to reversely push the position of the laser generator 32 on the purge air duct 313. The mode can ensure that laser does not leak and simultaneously can ensure the minimum air quantity requirement.
According to an embodiment of the application, the light barrier 37 is movable between a blocking position in which the tuyere is partially blocked and an open position in which the tuyere is fully opened.
When the laser generator 32 is in operation, the light barrier 37 is in the blocking position (fig. 11) to block the laser from leaking, and when the laser generator is not in operation, the light barrier 37 is in the open position (fig. 12 and 13) to avoid affecting the wind speed.
In some embodiments, the light barrier 37 is translatably movable between a blocking position and an open position.
The tuyere is shielded when the light blocking plate 37 is moved in a direction approaching the tuyere, and the tuyere is opened when the light blocking plate 37 is moved in a direction separating from the tuyere.
The movement of the light barrier 37 is effected by the second driving member. The second driving member and the first driving member have the same structure and are not described herein.
The light barrier 37 specifically includes an air inlet light barrier 371 disposed at the air inlet 311, and an air outlet light barrier 372 disposed at the air outlet 312.
For example, in fig. 11, the lower portion of the air inlet 311 is blocked when the air inlet light blocking plate 371 moves upward, the upper portion of the air outlet 312 is blocked when the air outlet light blocking plate 372 moves downward, and in fig. 12, the air inlet 311 is opened when the air inlet light blocking plate 371 moves downward, and the air outlet 312 is opened when the air outlet light blocking plate 372 moves upward.
In some embodiments, referring specifically to fig. 13, the light barrier 37 is rotatably movable between a blocking position and an open position.
Part of the tuyere can be blocked when the light blocking plate 37 is rotated to the tuyere, and the tuyere is completely opened when the light blocking plate 37 is rotated in a direction away from the tuyere.
Referring to fig. 14, the light barrier 37 may be rotated by driving a driving motor 38, wherein a motor shaft of the driving motor 38 is connected to the light barrier 37, and the driving motor 38 rotates to drive the light barrier 37 to rotate.
Illustratively, when the light barrier 37 is rotated to be parallel to the air flow direction, it does not block the tuyere, and is in the open position, and when the light barrier 37 is rotated to be perpendicular to the air flow direction, a part of the tuyere is blocked, and is in the blocking position.
According to the embodiment of the present application, the light barrier 37 is positioned in the purge air duct 313 when it is in the open position, so that the occupied space of the light barrier 37 can be reduced, and the product structure can be more compact.
In some embodiments of the present application, the laser purification device 30 may also include an air quality sensor.
The air quality sensor is disposed upstream of the air inlet 311 or at the air inlet 311 with reference to the flow path of the air.
Taking the example that the laser purification device is arranged in the air duct, the air quality sensor can be arranged at the inlet 11 or between the inlet 11 and the air inlet 311 for detecting the air quality a of the inlet air.
The controller is used for controlling the intermittent on of the laser generator 32 and controlling the on-off time of the laser generator according to the air quality a.
Because the laser generator 32 has the service life, the intermittent starting of the laser generator 32 can prolong the service life of the laser generator 32 and meet the requirement of the whole machine application on the service life.
And intermittent opening is also beneficial to heat dissipation of the laser generator, ensures normal performance of products and prolongs service life of the laser generator.
In addition, the intermittent starting can reduce the power consumption, and has the advantage of energy conservation.
In some embodiments, a laser generator 32 is disposed within the laser purification apparatus 30. Each time the laser generator 32 is turned on for a period of time T ON and then turned off for a period of time T OFF;
when a < a1, the laser generator is controlled to be shut down, and under the condition, the air quality is better, and the purification is not needed, so that the laser generator is shut down.
When a1 is less than or equal to a < a2, the energy-saving purification mode is entered, the starting time and the shutdown time of the laser generator meet T ON＜TOFF, for example, n 1×TON＝TOFF can be set, wherein n 1 is more than 1, under the condition, the air pollution is light, and the air purification requirement can be met under the condition of shorter starting time, so that the starting time T ON of the laser generator is smaller than the shutdown time T OFF of the laser generator.
When a2 is less than or equal to a < a3, the laser generator enters a general purification mode, the starting time and the shutdown time of the laser generator meet the requirement of T ON＝TOFF, and under the condition, the air pollution degree is relatively toward medium degree, and the starting time of the laser generator is equal to the shutdown time, so that the air purification requirement can be met.
When a is more than or equal to a3, the strong purification mode is entered, the starting time and the closing time of the laser generator meet the requirements of T ON＞TOFF, for example, T ON＝n2TOFF can be set, wherein n 2 is more than 1, under the condition, the air pollution is serious, the laser generator needs to be started for a long time to achieve a better purification effect, and therefore the starting time T ON is longer than the closing time T OFF.
Wherein T ON、a1、a2、a3、n1、n2 is a preset value, and a1< a2< a3.
In the above description, T ON、TOFF is a variable parameter, and T ON、TOFF may be given different preset values in different purge modes.
In some embodiments, two or more laser generators are provided within the laser purification apparatus 30, where different laser generators may be rotated.
The laser generators are turned on and off once for one period, and a plurality of laser generators work alternately according to the period.
For example, the laser generator has m, where m is an integer not less than 2, and denoted by the symbol Q 1、Q2、......Qm. Active by Q 1 during the first cycle, Q 2、......Qm off, active by Q 2 during the second cycle, Q 1、Q3、......Qm off, and so on, until recycled to Q 1.
Referring to fig. 15 and 16, taking m=2 as an example, in the energy-saving purification mode or the general purification mode, in a first period, Q 1 turns on T ON1, turns off T OFF1, then rotates to Q 2 to perform a second period, Q 2 turns on T ON2, turns off T OFF2, then rotates to Q 1 to perform a third period, and thus circulates, in the period in which Q 1 acts, Q 2 is always turned off, and in the period in which Q 2 acts, Q 1 is always turned off.
In addition, since air pollution is relatively light in the energy-saving purification mode, T ON＜TOFF can be set. For example, 2T ON1＝TOFF1、2TON2＝TOFF2.
In the general purge mode, T ON＝TOFF, i.e., T ON1＝TOFF1、TON2＝TOFF2, may be set.
In some embodiments, two or more laser generators are provided within the laser purification apparatus 30, where different laser generators may be rotated.
After Q 1 turns on T ON, it turns on T ON to Q 2, and so on, until Q m turns on T ON and returns to Q 1 again for cycling. When one of the laser generators is turned on, the other laser generators are turned off.
This situation can be applied to a strong purge mode, where the laser generator is always on during the entire purge.
Referring to fig. 17, taking m=2 as an example, in the strong purge mode, Q 1 is turned on T ON1 and Q 2 is turned on at the same time as the turn-off, and Q 2 is turned on T ON2 and Q 1 is turned on at the same time as the turn-off. Wherein T ON＝TOFF.
In some embodiments, the laser purification device further comprises a human sensor for detecting the existence of a human, and the laser generator is controlled to be shut down when the approach of the human is detected, so that the safety protection effect is achieved.
In some embodiments, referring to fig. 18-20, the air treatment device further includes a high voltage static power supply 40, the high voltage static power supply 40 being electrically connected to the purge housing 31. The high voltage static source may specifically be a high voltage static generator.
The high-voltage static power supply applies high-voltage static electricity to the purifying shell 31, the high-voltage static electricity can enable the inside of the laser purifying device 30 to form an electric field, when the laser generator 32 works, air ions are excited inside the laser purifying device 30, the air ions can enable particles in air flowing through to be charged, microorganisms are killed due to an electric breakdown effect, microorganisms and dust are easily attached to the inner wall under the action of electric field force, and therefore the effects of sterilization and dust removal are achieved, and the purifying rate of the air is improved.
According to some embodiments of the present application, the exterior of the purge housing 31 is made of a conductive material, and the high voltage electrostatic power source 40 is electrically connected to the exterior of the purge housing 31.
Or the inner wall of the purifying shell 31 is made of conductive materials, and the high-voltage static power supply 40 is electrically connected with the inner wall of the purifying shell 31.
In some embodiments, the high voltage electrostatic source discharges positive high voltage static electricity, i.e., the purge housing 31 is energized with positive high voltage static electricity, which may be used to adsorb negatively charged particulate matter.
In general, when air is excited to generate ions by external excitation, the number of negative ions is larger than that of positive ions, and only negatively charged particles are adsorbed, so that a better purifying effect can be achieved.
In some embodiments, the high voltage static electricity source discharges negative high voltage static electricity, i.e. the purge housing 31 is charged with negative high voltage static electricity, which can be used to adsorb positive ions in the air.
When the pollutants in the indoor air are smaller, the high-voltage static source is controlled to be started, and after positive ions are adsorbed by negative high-voltage static, more negative ions can be reserved in the air, and the negative ions are beneficial to human health.
In some embodiments, the purge housing 31 may include a first housing portion 315, a second housing portion 316, and an intermediate housing portion 317. The intermediate shell portion 317 is positioned between the first shell portion 315 and the second shell portion 316, and the intermediate shell portion 317 is formed of an insulating material so as to separate the electrical conductors of the first shell portion 315 and the second shell portion 316.
The high-voltage electrostatic source 40 includes a positive high-voltage electrostatic source 41 and a negative high-voltage electrostatic source 42. The positive high voltage static electricity source 41 provides positive high voltage static electricity and the negative high voltage static electricity source 42 provides negative high voltage static electricity.
Wherein the positive high voltage static power source 41 is electrically connected to the first housing portion 315 and the negative high voltage static power source 42 is electrically connected to the second housing portion 316. That is, a part of the purge housing 31 is charged with positive high-voltage static electricity, and a part is charged with negative high-voltage static electricity, and is used to adsorb all the particles charged with positive and negative electricity.
In some embodiments, the first housing portion 315 is electrically connected to the high voltage electrostatic source 40 and the second housing portion 316 is grounded. Wherein the high voltage static electricity source 40 provides positive high voltage static electricity, i.e. a part of the purge housing 31 is connected to the positive high voltage static electricity and a part is grounded. The positive high voltage is used for adsorbing the particles charged with negative electricity, and the positive high voltage repels the particles charged with positive electricity, so that the particles are adsorbed on one side of the ground, and the particles charged with positive electricity and the particles charged with negative electricity are purified simultaneously. The simultaneous adsorption of positively and negatively charged particulate matter can be achieved using only one high voltage electrostatic source 40, reducing cost and simplifying design compared to the two high voltage electrostatic sources in the above embodiment.
In some embodiments, the first housing portion 315 is electrically connected to the high voltage electrostatic source 40 and the second housing portion 316 is grounded. Wherein the high voltage electrostatic power supply 40 provides negative high voltage static electricity, i.e. a part of the purifying housing 31 is connected to the negative high voltage static electricity and a part is grounded. The negative high pressure is used for adsorbing positively charged particles, and simultaneously the negative high pressure repels the negatively charged particles, so that the particles are adsorbed on one side of the ground, and the positively and negatively charged particles are purified simultaneously. The simultaneous adsorption of positively and negatively charged particulate matter can be achieved using only one high voltage electrostatic source 40, reducing cost and simplifying design compared to the two high voltage electrostatic sources in the above embodiment.
The first concept of the present application is to achieve better purification effect and purification efficiency by using the characteristic of rapid sterilization by laser energy due to the provision of the laser purification device 30.
In the second concept of the present application, in the laser purification apparatus 30, since the inner wall of the purification housing 31 is set to be a mirror surface, it is possible to increase the radiation range of laser light in the purification air duct 313 by using the principle of specular reflection, ensuring that flowing air can be purified by air.
In the third concept of the present application, since the inner wall of the purification housing 31 is a concave curved surface, the reflected light can be more concentrated in the purification air duct after the laser is reflected on the concave curved surface, which is beneficial to improving the laser purification effect and purification efficiency.
In the fourth concept of the present application, since the inner wall of the purification case 31 has the plurality of protrusions 314, diffuse reflection is easily formed when laser is irradiated onto the protrusions 314, the light irradiation area is increased, and the purification rate is improved.
In the fifth concept of the present application, since the air guide vane 33 is disposed in the purification air duct, the air guide vane 33 blocks the air, so that the flow direction of the air in the purification air duct 313 is changed, thereby prolonging the flow path of the air, that is, prolonging the flow time of the air in the purification air duct 313, that is, increasing the exposure time, and improving the purification rate of the air.
In the sixth aspect of the present application, since the air guide vane 33 is inclined in the purge duct 313, the inclined arrangement can reduce the wind resistance to the air while extending the air flow path.
In the seventh concept of the present application, since the wind guiding blades 33 are arranged in a swinging manner, the requirements of both the purification rate and the wind resistance can be considered by changing the swinging angle of the wind guiding blades 33.
According to the eighth conception of the application, as the wind guide vanes 33 can be arranged in a swinging way, different purification rates can be realized by changing the swinging angle of the wind guide vanes 33, namely, different purification modes can be corresponding to the different purification modes, so that the purification requirements of different environments can be met, and the method is more intelligent.
According to the eighth conception of the application, the light blocking plate 37 is arranged at the air port of the purifying air duct, so that the laser in the purifying air duct can be blocked from leaking.
The ninth concept of the present application is that the light barrier 37 is movable, so that the light barrier 37 is in a blocking position to block the laser from leaking when the laser generator 32 is operated, and the light barrier 37 is in an open position to prevent the wind speed from being affected when the laser generator is not operated.
According to the tenth conception of the application, as the laser generator 32 is intermittently started, the service life of the laser generator 32 can be prolonged, and the requirement of the whole machine application on the service life can be met.
The eleventh concept of the present application facilitates heat dissipation of the laser generator, ensures normal performance of the product, and prolongs the life of the laser generator due to the intermittent turn-on of the laser generator 32.
The twelfth concept of the present application has the advantage of energy saving because the laser generator 32 is intermittently turned on, which can reduce power consumption.
According to the thirteenth concept of the application, since the high-voltage electrostatic source 40 is connected with the purifying housing 31, the high-voltage static electricity forms an electric field in the laser purifying device 30, and the charged particles are adsorbed by the high-voltage static electricity, so that the air purifying rate is improved.
It should be noted that the above embodiments are merely for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the technical solution described in the above embodiments may be modified or some or all of the technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the present application.
The foregoing description, for purposes of explanation, has been presented in conjunction with specific embodiments. The illustrative discussions above are not intended to be exhaustive or to limit the embodiments to the precise forms disclosed above. Many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles and the practical application, to thereby enable others skilled in the art to best utilize the embodiments and various embodiments with various modifications as are suited to the particular use contemplated.
Claims (9)
1. The air treatment device is characterized by comprising a laser purification device, wherein the laser purification device is used for purifying air and comprises:
the purifying device comprises a purifying shell, a purifying device and a purifying device, wherein an air inlet and an air outlet are formed in the purifying shell, and a purifying air channel communicated with the air inlet and the air outlet is formed in the purifying shell;
The laser generator is connected in the purification shell, emits laser into the purification air duct, and reflects the laser on the reflector surface layer for multiple times so as to sterilize the air in the purification air duct;
the air quality sensor is arranged at the air inlet or at the upstream of the air inlet by taking the flow path of air as a reference and is used for detecting the air quality a;
The controller is used for controlling the intermittent starting of the laser generator and controlling the switching time of the laser generator according to the air quality a;
the laser purification device further includes:
The air guide vanes are connected in the purifying air duct in a swinging way, and the air guide vanes are linked through connecting rods;
The controller is used for acquiring the swing angle of the air guide blade according to the working mode selected by a user and a preset data table and controlling the air guide blade to swing to a corresponding angle, wherein the data table contains corresponding data of the swing angle of the air guide blade in different working modes;
The air guide blade swings to a preset angle alpha in a general purification mode, and swings to a preset angle beta in a strong purification mode, wherein the swing angle is an included angle between the air guide blade and the extension direction of the purification air duct, and alpha is smaller than beta.
2. The air treatment device of claim 1, wherein each time the laser generator is turned on for a period of time T 0N and then turned off for a period of time T OFF;
When a < a1, controlling the laser generator to be shut down;
When a1 is less than or equal to a < a2, entering an energy-saving purification mode, wherein the switching time length of the laser generator meets T ON＜TOFF;
When a2 is less than or equal to a < a3, entering a general purification mode, wherein the switching time length of the laser generator meets T ON＝TOFF;
When a is more than or equal to a3, a strong purification mode is entered, and the switching time of the laser generator meets the requirement of T ON>TOFF;
wherein, T ON、TOFF, a1, a2, a3 are preset values, and a1< a2< a3.
3. The air treatment device of claim 1, wherein the laser generator has a plurality of;
The laser generators are turned on T ON once and turned off T OFF once for one period, and a plurality of the laser generators work alternately according to the period.
4. An air treatment device according to claim 3, wherein,
When a1 is less than or equal to a < a2, entering an energy-saving purification mode, and when a2 is less than or equal to a < a3, entering a general purification mode;
In one period, in the energy-saving purification mode, n1×T ON＝TOFF, in the general purification mode, T ON＝TOFF;
Wherein T ON、TOFF is a preset value, and n1>1.
5. The air treatment device according to claim 1, wherein the number of the laser generators is m, respectively denoted as Q 1、Q2、……Qm, and the m laser generators are alternately operated, namely, after Q 1 is turned on for T ON, the laser generators are alternately turned on for T ON by Q 2 at the same time of shutdown, and the like, until Q m is turned on for T ON, and the laser generators are turned back to Q 1 for circulation at the same time of shutdown.
6. An air treatment device according to claim 1, further comprising:
the human sensor is arranged on the laser purification device and used for detecting the approach of a person;
the controller is used for controlling the laser generator to be shut down when a person is detected to be close.
7. An air treatment device according to claim 1, wherein the mirror surface layer is aluminum foil or tin foil, or the mirror surface layer is metal or glass.
8. An air treatment device according to claim 1, comprising:
A housing;
the fan is arranged in the shell and used for driving air to flow;
the controller is also used for acquiring the wind speed of the fan according to the working mode selected by the user and a preset data table and controlling the fan to run at the corresponding wind speed;
The data table comprises corresponding data of the wind speed of the fan under different working modes.
9. An air treatment device according to claim 1, wherein,
The controller is used for acquiring the swing angle of the wind guide blade according to a windshield selected by a user and a preset data table and controlling the wind guide blade to swing to a corresponding angle;
The data table comprises corresponding data of the swing angles of the wind guide vanes under different windshields.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103931588A (en) * | 2013-01-17 | 2014-07-23 | 何颖霖 | Laser sterilization and deinsectization method and device |
| CN111135494A (en) * | 2020-03-08 | 2020-05-12 | 励土峰 | Mask accessory with laser disinfection function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20040228756A1 (en) * | 2002-08-12 | 2004-11-18 | Berry Lambert Darryl | Laser air purifying, decontamimating, and sterilizing unit |
| DE102020003124A1 (en) * | 2020-03-20 | 2021-09-23 | Kastriot Merlaku | Virus protection device for an air flow / ventilation device or ventilation system or air conditioning system |
| CN111920998A (en) * | 2020-09-28 | 2020-11-13 | 武汉光谷航天三江激光产业技术研究院有限公司 | A kind of ultraviolet laser and LED light composite antivirus device and method |
| CN217162701U (en) * | 2022-05-16 | 2022-08-12 | 湖南三一工业职业技术学院 | Ultraviolet hidden type air sterilization equipment based on U-shaped air duct |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103931588A (en) * | 2013-01-17 | 2014-07-23 | 何颖霖 | Laser sterilization and deinsectization method and device |
| CN111135494A (en) * | 2020-03-08 | 2020-05-12 | 励土峰 | Mask accessory with laser disinfection function |
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