An air purifier includes a upper cover, having at least one grid column on front terminal of the upper cover; a bottom cover, having at least one grid column on front terminal of the bottom cover; and two groups of ultraviolet light emitting diodes (LEDs), respectively having a heat sink and a ultraviolet light emitting diode (LED), wherein the ultraviolet LED is mounted on the heat sink, and a wavelength range of the ultraviolet LED is between 100 nm and 480 nm; wherein the grid column on front terminal of the upper cover is combined with the grid column on front terminal of the bottom cover to form a column hole through which an air flows out.

BACKGROUND OF INVENTION

1. Field of the Invention

The present invention is related to an air purifier, and more particularly, to an air purifier with air purification, sterilization function, small size and portable can be used for indoor space in the home or space in the car.

2. Description of the Prior Art

According to recent years, due to problems such as exhaust emissions from the vehicles on the road, heavy industry development, and smog, etc., air pollution is becoming more and more serious. The concentration of contaminating particles such as PM2.5 and PM10 often exceeds the standard. The indoor environment will also be affected by serious outdoor air pollution, and when the people return home from the outdoors, they may bring the contaminated particles of the outdoor air home. Sometimes the home is in a closed environment, or the suspended particles in the indoor air can cause poor air quality. Therefore, the air purifier has gradually become one of the home appliances that the people will choose to purchase.

Most of the air purifiers on the market are household appliances. The drawback lies in the fact that the conventional air purifiers are relatively large in size, and they are placed in the home to occupy the indoor space in the home, and are inconvenient to move and carry. Nowadays, the air pollution situation is getting more and more serious. It is not only the indoor environment in the home that needs air purifier to purify the air, but also driving out of the car, the environmental space inside the car also needs an air cleaner to help clean the air. It is not only the indoor environment in the home that needs the air purifier to purify the air, but also needs the air purifier to help clean the air in the environmental space inside the car. Thereby, it is an important research topic that how to reduce the volume of the air purifier, and how to let the air purifier not occupy space and being convenient to carry, and even how to install the air purifier in the space of the vehicle.

Conventional air purifiers, which are generally use filters to filter harmful airborne particles in the air, and do not have ultraviolet sterilization and negative ion functions in same time.

Accordingly, there has a need for developing an air purifier with small size and portability, ultraviolet sterilization and negative ion functions for solving the problem arising from the conventional arts.

SUMMARY OF THE INVENTION

The primary objective of the present invention is to provide an air purifier, which purifies the air and sterilizes, and being with the small size for convenient to carry, and can be placed in the indoor space of the home or the space inside the car for use.

In order to achieve the above-mentioned objectives, the present invention provides an air purifier, comprising: a upper cover, having at least one grid column on front terminal of the upper cover; a bottom cover, having at least one grid column on front terminal of the bottom cover; and two groups of ultraviolet light emitting diodes (LEDs), respectively having a heat sink and a ultraviolet light emitting diode (LED), wherein the ultraviolet LED is mounted on the heat sink, and a wavelength range of the ultraviolet LED is between 100 nm and 480 nm; wherein the grid column on front terminal of the upper cover is combined with the grid column on front terminal of the bottom cover to form a column hole through which an air flows out.

In one embodiment, the wavelength range of the two groups of ultraviolet LEDs is between 100 nm and 280 nm. In one embodiment, the wavelength of one of two groups of ultraviolet LEDs is 260 nm, and the wavelength of another group of ultraviolet LEDs is 280 nm. In one embodiment, the wavelength range of one of two groups of ultraviolet LEDs are between 100 nm and 280 nm, and the wavelength range of another group of ultraviolet LEDs are between 400 nm and 480 nm which is violet-blue light wavelength range. In one embodiment, the wavelength of one of two groups of ultraviolet LEDs is 275 nm, and the wavelength of another group of ultraviolet LEDs is 405 nm which is violet-blue light wavelength range.

In one embodiment, the air purifier further comprising: a filter cover, a filter, a motor, a control module, a power module and a diversion tube, wherein the filter cover, the motor, the control module, the power module and the diversion tube are mounted between the upper cover and the bottom cover, and arranged in sequence toward the column hole, wherein the filter is mounted between the filter cover and the motor, one side of the motor has a suction inlet, the suction inlet is adjacent to the filter, and another side of the motor is adjacent to the diversion tube, wherein the power module and the control module are mounted on outer surface of the diversion tube, the power module has a transformer, and the power module electrically connects to the control module and the motor, wherein two sides of an gap between the filter and the motor respectively has the two groups of ultraviolet LEDs, and the two groups of ultraviolet LEDs electrically connects to the control module.

In one embodiment, the diversion tube has a support and blow hole, the support is adjacent to the motor, and the filter cover has a plurality of filtering holes, and inside of the filter consists of a plurality of filter films.

In one embodiment, the control module further comprises a circuit board and a control board, and the circuit board comprises a plurality of light emitting diodes, a plurality of buttons, at least one connector and a switch, and the control board electrically connects to the circuit board and the motor, the control board comprises a connector, the connector of the control board is electrically connected to the connector of the circuit board, and wherein there are many the light emitting diode holes correspond to the light emitting diodes mounted on the upper cover, and there are many button holes correspond to the buttons mounted on the upper cover.

In one embodiment, the circuit board further comprises a negative ion generator, the negative ion generator is arranged in inside of the diversion tube, and the negative ion generator electrically connects the circuit board.

Thereby, when the motor is in operation, external air enters into the air purifier through the filter cover, and the air is filtered through the filter, and the filtered air flows out from the diversion tube to the column hole to discharge clean air. Therefore, the effect of purifying air and sterilizing can be achieved.

The another objective of the present invention is to provide an air purifier, which purifies the air and sterilizes has a bag, and the air purifier with the bag is fixed in a chair back of a car chair so as to achieve the purpose of using an air purifier in the space inside the car.

In order to achieve the above-mentioned objectives, the present invention provides an air purifier, comprising: a upper cover, having at least one grid column on front terminal of the upper cover; a bottom cover, having at least one grid column on front terminal of the bottom cover, wherein the grid column on front terminal of the upper cover is combined with the grid column on front terminal of the bottom cover to form a column hole through which an air flows out; two groups of ultraviolet LEDs, respectively having a heat sink and a ultraviolet LED, wherein the ultraviolet LED is mounted on the heat sink, and a wavelength range of the ultraviolet LED is between 100 nm and 480 nm; and a bag, having a hole, and a place in the hole, and the place inside correspond to the upper cover and the bottom cover, and a plurality of through holes arranged on a surface of the bag, the through holes connecting to the place, and the air flowed out through the through hole to the outside of the bag, and wherein there is a fixed element mounted on outer surface of the bag, and the fixed element fixes the bag on a chair back of a car chair.

In one embodiment, the fixed element is selected from one of the flexible band, a clip, a rope or a velcro.

In one embodiment, the wavelength range of the two groups of ultraviolet LEDs is between 100 nm and 280 nm. In one embodiment, the wavelength of one of two groups of ultraviolet LEDs is 260 nm, and the wavelength of another group of ultraviolet LEDs is 280 nm. In one embodiment, the wavelength range of one of two groups of ultraviolet LEDs are between 100 nm and 280 nm, and the wavelength range of another group of ultraviolet LEDs are between 400 nm and 480 nm which is violet-blue light wavelength range. In one embodiment, the wavelength of one of two groups of ultraviolet LEDs is 275 nm, and the wavelength of another group of ultraviolet LEDs is 405 nm which is violet-blue light wavelength range.

All these objects achieved by oven apparatus according to the present invention are described below.

DESCRIPTION OF THE PREFERRED EMBODIMENT

The invention disclosed herein is directed to a container with synchronous rising and lowering functions. In the following description, numerous details corresponding to the aforesaid drawings are set forth in order to provide a thorough understanding of the present invention so that the present invention can be appreciated by one skilled in the art, wherein like numerals refer to the same or the like parts throughout.

Although the terms first, second, etc. may be used herein to describe various elements, components, modules, and/or zones, these elements, components, modules, and/or zones should not be limited by these terms. Various embodiments will now be described in conjunction with a number of schematic illustrations. Various embodiments of the application may be embodied in many different forms and should not be construed as a limitation to the embodiments set forth herein.

For clearly understanding the present invention, please refer to the following description as well asFIGS. 1 to 5. In the embodiment, an air purifier comprising: a upper cover1, having at least one grid column21on front terminal of the upper cover1; a bottom cover2, having at least one grid column21on front terminal of the bottom cover, wherein the grid column21on front terminal of the upper cover is combined with the grid column21on front terminal of the bottom cover2form a column hole20through which an air flows out; and two groups of ultraviolet light emitting diodes (LEDs)22, respectively having a heat sink222and a ultraviolet light emitting diode (LED)221, wherein the ultraviolet LED221is mounted on the heat sink222, and a wavelength range of the ultraviolet LED221is between 100 nm and 480 nm which is violet-blue light wavelength range.

Moreover, in the embodiment, the air purifier further comprising: a filter cover3, a filter4, a motor10, a control module5, a power module6and a diversion tube7, wherein the filter cover3, the motor10, the control module5, the power module6and the diversion tube7are mounted between the upper cover1and the bottom cover2, and arranged in sequence toward the column hole20, wherein the filter4is mounted between the filter cover3and the motor10, one side of the motor10has a suction inlet101, the suction inlet101is adjacent to the filter4, and another side of the motor10is adjacent to the diversion tube7, wherein the power module6and the control module5are mounted on outer surface of the diversion tube7, the power module6has a transformer61, and the power module6electrically connects to the control module5and the motor10. Thereby, when the motor10is in operation, external air enters into the air purifier through the filter cover3, and the air is filtered through the filter4, and the filtered air flows out from the diversion tube7to the column hole20to discharge clean air. Therefore, the effect of purifying air and sterilizing can be achieved.

Refer toFIG. 3˜FIG. 5, which respectively illustrate an explosion schematic diagram, an inside rear schematic diagram of an air purifier, an inside front schematic diagram of an air purifier according to one embodiment of the present invention. Specifically, two sides of a gap between the filter4and the motor10respectively has the two groups of ultraviolet LEDs22, and the two groups of ultraviolet LEDs22electrically connects to the control module5. The diversion tube7has a support72and a blow hole71, the support72is adjacent to the motor10, and the filter cover3has a plurality of filtering holes31, and inside of the filter4consists of a plurality of filter films41.

Refer toFIG. 3˜FIG. 5, a wavelength range of the ultraviolet LED221is between 100 nm and 480 nm. In the embodiment, the two groups of ultraviolet LEDs221provide a combination of multiple bands. In addition to different killing effects on different types of viruses, bacteria, parasites, pathogens and algae, the wavelengths synergistically enhance generated by the combination of multiple bands can enhance the bactericidal effect. The wavelength range from 100 nm to 400 nm may be the ultraviolet A (UVA), the ultraviolet B (UVB) and the ultraviolet C (UVC). Specifically, the wavelength range of UVA is between 320 nm and 400 nm, the wavelength range of UVB is between 280 nm and 320 nm, and the wavelength range of UBC is between 100 nm and 280 nm. The germicidal band of UVC is effective for killing almost all viruses, bacteria, parasites, pathogens and algae. The wavelength range of the ultraviolet LED221between 400 nm and 480 nm is violet-blue light wavelength range which is less harmful to the human body.

In the embodiment, the structure of the two groups of ultraviolet LED221is selected from a combination of UVA, UVB or UVC.

In one embodiment, the wavelength range of the ultraviolet LED221is a combination of two different bands, one is the band of ultraviolet C (UVC), and another is band being between 400 nm and 480 nm which is violet-blue light wavelength range. The wavelengths synergistically enhance generated by the combination of multiple bands can enhance the bactericidal effect. In one embodiment, the wavelength range of ultraviolet LED221is a combination of 275 nm or 405 nm. Two groups of ultraviolet LEDs221may be one is 275 nm, and another one is 405 nm which is violet-blue light wavelength range. In addition, two groups of ultraviolet LEDs221all are 275 nm, or 405 nm.

In one embodiment, the wavelength range of the ultraviolet LED221is a combination of two same bands being a combination of two UVCs. The wavelengths synergistically enhance generated by the combination of multiple bands can enhance the bactericidal effect. In one embodiment, two groups of ultraviolet LEDs221may be one is 260 nm, and another one is 280 nm. In addition, two groups of ultraviolet LEDs221all are 260 nm, or 280 nm.

In another embodiment, the ultraviolet light emission method of the two groups of ultraviolet LEDs221may be the long-lasting UV emission mode, or the pulse UV emission mode, or a combination mode of the long-lasting UV emission mode mixed with the pulse UV emission mode. In addition, the ultraviolet light emission modes of the two groups of the ultraviolet LEDs221may also be two sets of alternating pulse mode ultraviolet light emission modes, for example, one of two groups of ultraviolet LEDs221is the pulse UV emission mode with the wavelength of 275 nm, and another group of ultraviolet LEDs221is the pulse UV emission mode with the wavelength of 260 nm. Specifically, the ultraviolet LEDs221being the pulse UV emission mode with the wavelength of 275 is switched “ON” to perform the UV sterilization, and while the ultraviolet LEDs221being the pulse UV emission mode with the wavelength of 260 is switched “OFF”. Then, the ultraviolet LEDs221being the pulse UV emission mode with the wavelength of 275 is switched “OFF”, and while the ultraviolet LEDs221being the pulse UV emission mode with the wavelength of 260 is switched “ON” to perform the UV sterilization. Thereby, the ultraviolet LEDs221with the pulse UV emission mode and the wavelength with 275 nm and the ultraviolet LEDs221with the pulse UV emission mode and the wavelength with 260, this two groups of ultraviolet LEDs, perform the sterilization by ultraviolet light through successive alternating pluses.

The control module5further comprises a circuit board54and a control board8, and the circuit board54comprises a plurality of light emitting diodes (LEDs)52, a plurality of buttons53, at least one connector55and a switch56, and the control board8electrically connects to the circuit board545and the motor10, the control board8comprises a connector81, the connector81of the control board8is electrically connected to the connector55of the circuit board5, and wherein there are many the light emitting diode (LED) holes12correspond to the light emitting diodes (LEDs)52mounted on the upper cover1, and there are many button holes11correspond to the buttons53mounted on the upper cover2. The circuit board54further comprises a negative ion generator51, the negative ion generator51is arranged in inside of the diversion tube7, and the negative ion generator51electrically connects the circuit board54. The negative ion generator51can suppress dust mites, mildew, sterilization, virus killing, and deodorization.

The air purifier of the present invention connects to the power and the switch56on the air purifier is pressed, the control module5starts the motor10to operate, and when the motor10is in operation, external air enters into the air purifier through the filtering hole31of the filter cover3, and the air is filtered through the filter films41of the filter4so as to filter contaminated particles in the air (e.g. dust, PM2.5). Then, when the filtered air through the gap between the filter4and the motor10, the ultraviolet LEDs221use the ultraviolet light to sterilize the filtered air so as to generate the clean air. The clean air enters into the suction inlet101of the motor10, and then the clean air flows out from the blow hole71of the diversion tube7to the column hole20to discharge the clean air. Therefore, the effect of purifying air and sterilizing can be achieved. The air purifier of the present invention, which has small size and portable, can be used for indoor space in the home or space in the car. The air purifier of the present invention further can filter harmful pollutants in the air and has both ultraviolet sterilization and negative ion generation to achieve various functions of purifying air. The air purifier of the present invention further uses the display of the LED52to help the user to monitor the usage state of the air purifier, and use the operation setting of the button53to control the operation speed of the motor10to adjust the airflow output, switch the functions of the ultraviolet sterilization and negative ion generation so as to achieve the intelligent monitoring results.

FIG. 6illustrates a usage state schematic diagram of an air purifier placed in a bag according to one embodiment of the present invention. Refer toFIG. 6, and while seeFIG. 1, the air purifier100of the present invention may be used in the car. The air purifier100comprises: a upper cover1, having at least one grid column21on front terminal of the upper cover1; a bottom cover2, having at least one grid column21on front terminal of the bottom cover2, wherein the grid column21on front terminal of the upper cover1is combined with the grid column21on front terminal of the bottom cover2to form a column hole20through which an air flows out; and two groups of ultraviolet LEDs22, respectively having a heat sink222and a ultraviolet LED221, wherein the ultraviolet LED221is mounted on the heat sink222, and a wavelength range of the ultraviolet LED221is between 100 nm and 480 nm which is violet-blue light wavelength range; and a bag200, having a hole, and a place in the hole, and the place inside correspond to the upper cover1and the bottom cover2, and a plurality of through holes201arranged on a surface of the bag200, the through holes201connecting to the place, and the air flowed out through the through hole201to the outside of the bag200, and wherein there is a fixed element202mounted on outer surface of the bag, and the fixed element202fixes the bag200on a chair back300of a car chair. In one embodiment, the wavelength range of the two groups of ultraviolet LEDs is between 100 nm and 280 nm. In one embodiment, the wavelength of one of two groups of ultraviolet LEDs is 260 nm, and the wavelength of another group of ultraviolet LEDs is 280 nm. In one embodiment, the wavelength range of one of two groups of ultraviolet LEDs are between 100 nm and 280 nm, and the wavelength range of another group of ultraviolet LEDs are between 400 nm and 480 nm. In one embodiment, the wavelength of one of two groups of ultraviolet LEDs is 275 nm, and the wavelength of another group of ultraviolet LEDs is 405 nm which is violet-blue light wavelength range. The structure of the air purifier100is composed of the structures and parts ofFIGS. 1 to 5.

The fixed element202is selected from one of the flexible band, a clip, a rope or a velcro. When the fixed element202is flexible band, the flexible force of the flexible band is used to abut the bag200against the chair back300of the car chair; when the fixed element202is clip, the clip is used to clip the bag200against the chair back300of the car chair; When the fixed element202is rope, the rope is used to tie up the bag200against the chair back300of the car chair; When the fixed element202is Velcro, the Velcro is used to fix the bag200against the chair back300of the car chair. The user can accommodate the bag200of the air purifier100by the fixing member202to be fixed to the chair back300of the car chair without shaking.