TWM558635U - Low-power consumption air purification device - Google Patents

Abstract

A low-power air purifying device has a casing, a fan, a dust collecting unit and a digital control unit disposed therein, and the fan and the dust collecting unit are electrically connected to the digital control unit. The casing is provided with an air inlet and an air outlet. The fan is disposed at the air inlet to bring air into the casing, and is discharged from the air outlet after passing through the dust collecting unit. The power supply jack is arranged on the housing, and the external working power supply can be externally connected to provide the working voltage required by the digital control unit. The periphery of the air outlet is further provided with a connecting portion, which can be used in the future to connect a breathing mask to improve the mobility of the air purifier and greatly improve the utility.

Description

Low power air purifier

The present invention is an air purifying device, in particular, an externally supplied low-voltage power source capable of forming a high potential difference through digital control to achieve an air purifying device that removes air particles by static electricity.

With the evolution of technology life, the surrounding air of human activities is filled with dust, organic volatiles or microbial allergens of many sizes. However, human beings cannot live without air, so they will inhale more or less substances that should not enter the human body. In the long run, it will definitely pose a health worry.

In order to improve the air quality and reduce the pollutants present in the air, the air purifier is a commonly used device, and the purification technology that can be utilized includes at least filtration, adsorption, plasma, electrostatic dust removal, membrane separation, and photocatalyst, although the application principle Different, the effect is different from each other, but the ultimate goal is still to remove dust, harmful substances or sterilization in the air.

Among them, the electrostatic air cleaner is a device that allows air to pass through the mutually interlaced high-voltage electrode plates, thereby adsorbing the contaminated particles on the electrode plate to purify the air. The boosting principle of the electrostatic air cleaner is mostly The utility model adopts a high-voltage transformer and a high-voltage rectifier to form a high potential difference, which is limited by the power supply mode. The cleaning machine is set in a fixed position, and there is no complicated operation function in the control.

In view of this, the main purpose of this creation is to think about how to improve the mobile function of the cleaner and increase the scope of the application.

In order to solve the above problems, the technical means of the present invention is to provide a low-power air purifying device, comprising a casing, the casing is an insulating casing, and has an air inlet and an air outlet; a fan, the fan is disposed on The air inlet is used to bring air into the casing and then discharged by the air outlet; a digital control unit, the digital control unit includes a voltage stabilizing circuit; a microcontroller coupled to the voltage stabilizing circuit; and a high frequency transformer And a booster circuit coupled to the high frequency transformer; a power jack coupled to the voltage regulator circuit and the high frequency transformer, is open to the housing, An external power source may be externally connected; and a dust collecting unit is coupled to the boosting circuit and is formed by staggering a plurality of dust collecting plates having different polarities.

In the improvement of the above low power air purifying device, the air inlet is provided with a primary filter.

In the improvement of the above-mentioned low-power air purifying device, a peripheral portion is formed at the periphery of the air outlet.

In a modification of the above low power air purifying device, at least one hook is provided outside the casing.

In a modification of the low power air purifying device, the housing further includes an operation interface coupled to the microcontroller.

In the improvement of the low-power air purifying device, the digital control unit further includes an ozone detecting unit coupled to the micro-controller to adjust the output voltage when the ozone is abnormal.

In the improvement of the low-power air purifying device, the digital control unit further includes a PM2.5 detecting unit coupled to the microcontroller to digitally increase the output voltage when sensing the presence of PM2.5 particles.

In the improvement of the low-power air purifying device, the digital control unit further includes an over-current protection unit coupled to the microcontroller, and when the current is too high, the signal is immediately returned, and the digital control unit turns off the output.

In the improvement of the above low power air purifying device, the external power source is a 5V mobile power source or a transformer power source.

In a modification of the low-power air purifying device, the device further comprises a respirator, the respirator is provided with a hose, and an end of the tube end is provided with a connector adapted to the connection of the air outlet.

Through the implementation of the above structure, the low-power air purifying device of the present invention can be operated with the low-power mobile power supply, and can further attach a breathing mask, thereby effectively improving the shortcomings of the conventional electrostatic air purifying device with simple functions and poor maneuverability. And greatly enhance the application range and practicality of the air purifier.

To further clarify the structural features, functions, and other advantages of the present invention, the preferred embodiments and the drawings are described in detail below.

Referring to FIG. 1 and FIG. 2, a preferred embodiment of the present invention provides a low-power air purifying device, comprising: a casing (10), and a fan disposed in the casing (10). (20) A dust collecting unit (30) and a digital control unit (40), wherein the fan (20) and the dust collecting unit (30) are electrically connected to the digital control unit (40). The casing (10) is an insulating casing, and is provided with an air inlet (11) and an air outlet (12); the fan (20) is disposed at the air inlet (11) for bringing air into the casing (10) is discharged from the air outlet (12) after passing through the dust collecting unit (30). The air inlet (11) can be added with a primary filter (13) to filter large foreign objects first, and a peripheral portion (121) is further formed on the periphery of the air outlet (12), which can be used to connect a respiratory mask in the future. The housing (10) can be further provided with at least one hook (15) for carrying and moving with a strap.

The dust collecting unit (30) is coupled to the DC voltage output end of the digital control unit (40), and includes a plurality of dust collecting plates (31) arranged in a staggered length, and is maintained at an appropriate distance by using a plurality of fixing members (32); The working principle is the same as that of the dust collecting sheet of the known electrostatic air cleaner, and will not be described again. In order to reduce the size of the air particles, the induced voltage is automatically regulated by the digital control unit (40), and the output voltage can be stably adjusted between 6000 and 18000 volts to remove general dust or a voltage output greater than 18,000 volts. Intercept PM2.5 particles and sterilization.

Please refer to FIG. 3 again, which is a schematic block diagram showing the structure of the digital control unit (40), which includes: a voltage stabilizing circuit (41); a microcontroller (42) coupled to the voltage stabilizing circuit (41); a high frequency transformer (43) coupled to the microcontroller (42); and a booster circuit (44) coupled to the high frequency transformer (43); a power jack (44) And coupled to the voltage stabilizing circuit (41) and the high frequency transformer (43), which are openly disposed on the casing (10), and can be externally connected by an external power source (50) such as a common mobile power source or a transformer. The power jack (44) provides a low operating power of at least 5V.

According to the above 5V low power supply which is easily obtained by the outside, the operating voltage required by the microcontroller (42) is stably supplied through the voltage stabilizing circuit (41), and at the same time, the digital control of the microcontroller (42) is efficiently controlled, and the timing is adjusted. The output DC voltage intensity is converted into an AC high voltage through a high frequency transformer (43), and then the boosting circuit (44) is used to boost the AC high voltage to a preset DC high voltage by a voltage doubler. To provide the potential difference required by the dust collecting unit (30).

The low-power air purifying device further comprises an operation interface (14) coupled to the microcontroller (42) and disposed on the outer surface of the casing (10), which can provide functions for the user to perform functions such as device startup or strength adjustment. change. The digital control unit (40) further includes an ozone detecting unit (46) for adjusting the output voltage of the dust collecting plate when the ozone is abnormal; a PM2.5 detecting unit (47) sensing the PM2. 5 In the presence of particles, the digital output voltage is increased to effectively capture the particles; an overcurrent protection unit (48), when the current is too high, the feedback signal is immediately applied, and the digital control unit (40) turns off the output.

Finally, please refer to FIG. 4, which is a schematic view showing the use of a respirator (60). The respirator (60) is provided with a hose (61), and an air outlet is provided at the end of the tube ( The adaptor (62) of the connecting portion (121) of the 12) can further provide the user's need to use the breathing mask outdoors, which is quite practical, by utilizing the characteristics of the present invention.

It can be understood from the above embodiments that the low-power air purifying device of the present invention can provide the working voltage with the low-power mobile power source, so that the use occasion is not limited by the commercial power, and the voltage is raised to a preset potential difference through the digital control unit. It also provides intelligent digital control, which effectively improves the shortcomings of the conventional electrostatic air cleaner with simple functions and poor maneuverability. In particular, the low-power air purifying device of the present invention can be used indoors or outdoors, and can further attach a breathing mask to greatly enhance the application range and practicality of the air purifier.

In summary, the low-power air purifying device of the present invention has indeed achieved the preset purpose, and has met the needs of the industry, and has filed a patent application according to law. However, the present invention has been disclosed in the preferred embodiment described above, however, The size, shape, or quantity of the present invention is not intended to limit the present invention, and any person skilled in the art may modify or modify it without departing from the spirit and scope of the present invention. This is subject to the definition of the scope of the patent application.

10‧‧‧shell

11‧‧‧Air inlet

12‧‧‧air outlet

121‧‧‧Connecting Department

13‧‧‧Primary filter

14‧‧‧Operator interface

15‧‧‧ hook

20‧‧‧Fan

30‧‧‧Dust collection unit

31‧‧‧Dust board

32‧‧‧Fixed parts

40‧‧‧Digital Control Unit

41‧‧‧Variable circuit

42‧‧‧Microcontroller

43‧‧‧High frequency transformer

44‧‧‧Boost circuit

45‧‧‧Power Jack

46‧‧‧Ozone detection unit

47‧‧‧PM2.5 detection unit

48‧‧‧Overcurrent protection unit

50‧‧‧External power supply

60‧‧‧ breathing mask

61‧‧‧Hose

62‧‧‧ connector

Figure 1 is a schematic diagram of the appearance of this creation. Figure 2 is a schematic cross-sectional view of the structure of the present creation. Figure 3 is a block diagram of the digital control unit of this creation. Figure 4 is a schematic diagram of the implementation of this creation with a breathing mask.

Claims (10)

A low-power air purifying device comprising: a casing, the casing is an insulating casing, and has an air inlet and an air outlet; a fan, the fan is disposed at the air inlet for bringing air into the casing, And a digital control unit, the digital control unit includes a voltage stabilizing circuit; a microcontroller coupled to the voltage stabilizing circuit; a high frequency transformer coupled to the microcontroller; and one liter The voltage circuit is coupled to the high frequency transformer; a power socket coupled to the voltage regulator circuit and the high frequency transformer is open to the housing; and a dust collecting unit coupled to the boosting power The road is made up of several dust collecting plates with different polarities. The low-power air purification device of claim 1, wherein the air inlet is provided with a primary filter. The low-power air purifying device according to claim 1, wherein the air outlet has a connecting portion at the periphery thereof. The low-power air purification device of claim 1, wherein the housing is provided with at least one hook. The low power air purification device of claim 1, wherein the housing further comprises an operation interface coupled to the microcontroller. The low-power air purification device of claim 1, wherein the digital control unit further comprises an ozone detecting unit coupled to the microcontroller to adjust the output voltage when the ozone is abnormal. The low-power air purifying device of claim 1, wherein the digital control unit further comprises a PM2.5 detecting unit coupled to the microcontroller, when sensing the presence of PM2.5 particles, Digitally boosts the output voltage. The low-power air purification device of claim 1, wherein the digital control unit further comprises an over-current protection unit coupled to the microcontroller, and when the current is too high, the signal is immediately returned. The digital control unit turns off the output. The low power air purifying device according to claim 1, wherein the power jack is further connected to an external power source, and the external power source is a 5V mobile power source or a transformer power source. The low-power air purifying device according to claim 1, further comprising a breathing apparatus, the breathing apparatus is extended with a hose, and an end of the tube end is provided with a connector that can be matched with the connection portion of the air outlet.