JP2021517512A - Dust collection electrode unit, air purifier, and its control method - Google Patents

Abstract

The present disclosure provides a dust collecting electrode unit, an air purifier, and a control method thereof. The dust collecting electrode unit includes a dust collecting electrode and a dust collecting electrode support structure, and the dust collecting electrode is positioned with respect to the electrode generating electrode unit. It is movable with respect to the dust collecting electrode support structure so as to change its orientation. In the dust collecting electrode unit according to the present disclosure, the dust collecting electrode is movable with respect to the dust collecting electrode support structure so as to change the position and / or orientation with respect to the dust generating electrode unit, and the dust collecting electrode with respect to the dust generating electrode unit is movable. By changing the position and / or orientation, the main dust collection area of the dust collection electrode can be changed, and when a large amount of dust accumulates in one area, the position or orientation of the dust collection electrode can be changed in another area. Dust can be collected, thus effectively reducing the frequency of cleaning, reducing the decay of particle CADR in the cleaning device and improving the user experience. [Selection diagram] Fig. 2

Description

This disclosure is based on a Chinese application with application number 201810578650.2, filing date June 7, 2018, claiming its priority and incorporating the entire contents of the disclosure of this Chinese application into this disclosure by citation. ing.

The present disclosure relates to the technical field of air purification, particularly to a dust collecting electrode unit, an air purifier, and a control method thereof.

As environmental problems become more serious, air purifiers have become an indispensable household appliance for many households. Air purifiers are usually divided into filtration type and electrostatic type. Filtration-type air purifiers use a filtration net to filter out particulate impurities such as PM2.5 in the air, and such air purifiers require regular replacement of the filtration net, which is costly to use. Will increase. On the other hand, the electrostatic air purifier purifies the air by an electric cleaning method, so there is no need to replace consumables, and the electrode plate inside the air purifier only needs to be cleaned regularly, which reduces the usage cost. Let me.

Since the dust collection efficiency of the electrostatic air purifier is extremely high, the dust collection capacity of the electrode plate is likely to be weakened due to the accumulation of dust. Therefore, the user frequently cleans the electrode plate to ensure the cleaning effect of the purifier. Must be, and the user experience is compromised.

According to some examples of the present disclosure, it is a dust collecting electrode unit used in an air purifier including an electrode generating electrode unit.
A dust collecting electrode that can be moved so as to change at least one of the positions and orientations with respect to the power generation electrode unit is provided.

In some embodiments, the dust collecting electrode unit further comprises a dust collecting electrode support structure, and the dust collecting electrode is movable with respect to the dust collecting electrode support structure.

In some embodiments, the dust collecting electrode unit is used in an air purifying device further comprising a dust generating electrode unit, and the dust collecting electrode unit includes a dust collecting electrode and a dust collecting electrode support structure. The dust collecting electrode is movable with respect to the dust collecting electrode support structure so as to change at least one of the positions and orientations with respect to the electrode generating electrode unit.

In some embodiments, the dust collecting electrode comprises a electrode plate body and a plurality of dust collecting structures provided on the electrode plate body, and the dust collecting electrode has a different position and position with respect to the electrode generating electrode unit. / Or when oriented, the electrode emitting unit is installed facing a different dust collecting structure.

In some embodiments, the plurality of dust collecting structures are provided on a first side surface and a second side side located on opposite sides of the electrode plate body, respectively.

In some embodiments, the dust collecting structure comprises protrusions provided on the sides of the electrode plate body.

In some embodiments, the convex portion extends in the same direction as the side and is part of a circular cross section.

In some embodiments, the dust collecting electrode support structure comprises a frame structure, and the dust collecting electrode is provided in the frame structure so as to be rotatable around an axis parallel to the first side surface. The dust collecting electrode has a first position where the dust collecting structure on the first side side faces the electrode generating electrode unit, and a second position where the dust collecting structure on the second side side faces the electrode generating electrode unit. It is possible to rotate between the positions of.

In some embodiments, the electrode plate body further comprises a third side and a fourth side connecting the first side and the second side, and the third side. And the fourth side side is provided with a rotation shaft, and the frame structure is provided with a rotation shaft hole that fits with the rotation shaft, or the third side side and the fourth side side are provided. Is provided with a rotary shaft hole, and the frame structure is provided with a rotary shaft that fits with the rotary shaft hole.

In some embodiments, the dust collecting electrode unit further comprises a driving device that rotationally drives the dust collecting electrode between the first position and the second position.

In some embodiments, a plurality of the dust collecting electrodes are arranged side by side.
The dust collecting electrode unit further includes a transmission mechanism, and the driving device synchronously and rotationally drives a plurality of the dust collecting electrodes via the transmission mechanism.

In some embodiments, the transmission mechanism includes a gear transmission mechanism or both crank mechanisms.

In some embodiments, the dust collecting electrode has a structure that can be expanded and contracted in a direction parallel to the third side side, contracts when rotating, and expands when the rotation is completed, and has an original shape. -It is configured to return to the dimensions.

In some embodiments, the dust collecting electrode contracts electrically, or the dust collecting electrode unit further comprises an offset member, and the dust collecting electrode is movable with respect to the fixed portion and the fixed portion. When the dust collecting electrode rotates and interferes with the fixed portion of the adjacent dust collecting electrode, the movable part moves to the contracted position by the action of the force, and the dust collecting electrode rotates. When the movement is completed, the movable portion is restored to the normal position by the action of the offset member.

According to some other embodiment of the present invention, the air purifier includes the dust collecting electrode unit.

In some embodiments, the air purifier further comprises a generator electrode unit, such that the dust collector electrode unit changes at least one of the positions and orientations of the dust collector electrode with respect to the dust generator unit. It is movable with respect to the power generation electrode unit.

According to a further embodiment of the present invention, the control method of the air purifier is
A step to stat the cumulative operating time of the air purifier, and
When the cumulative operating time is equal to or longer than the first predetermined time, the drive device is controlled so as to drive the dust collecting electrode once, or when the cumulative operating time is equal to or longer than the second predetermined time, the collecting is performed. Includes a step of sending a prompt message to the user prompting the user to clean the dust electrodes.

In some embodiments, the method of statistic of cumulative operating time of an air purifier is
When the dust collecting electrode of the air purifier is used for the first time, the cumulative operating time is statistic starting from the first start time of the air purifier.
When the dust collecting electrode of the air purifying device is cleaned, the cumulative operating time is statistic starting from the first start time after cleaning the dust collecting electrode of the air purifying device.

Hereinafter, examples of the present invention will be described with reference to the drawings, and the above and other purposes, features and advantages of the present invention will be further clarified.

It is a structural schematic diagram of some examples of the dust collection electrode unit of this invention. It is a structural schematic diagram of some examples of the dust collection electrode of the dust collection electrode unit of this invention. It is a disassembly diagram of some examples of the air purifier of this invention.

Hereinafter, the present disclosure will be described with reference to Examples, but the present disclosure is not limited to these Examples. For the sake of clarity of the gist of the present disclosure, known methods, processes, procedures and devices will not be described in detail.

Moreover, as will be apparent to those skilled in the art, the drawings herein are provided for illustration purposes and are not necessarily made to actual scale.

Unless the context clearly requires, terms such as "include" and "provide" throughout the specification and claims should be construed as meaning to include rather than exclusive or exhaustive. That is, it means "including, but not limited to,".

In the description of the present invention, terms such as "first" and "second" are merely for explanation and do not indicate or suggest relative importance. Further, in the description of the present disclosure, "plurality" means two or more unless otherwise specified.

An object of the present invention is to provide a dust collecting electrode unit capable of effectively reducing the cleaning frequency, an air purifying device provided with the dust collecting electrode unit, and a control method thereof.

The dust collecting electrode of the dust collecting electrode unit according to the present invention is movable with respect to the dust collecting electrode support structure, and in this way, at least one of the positions and orientations of the dust collecting electrode with respect to the dust generating electrode unit is set. It becomes variable, and the main dust collection area of the dust collection electrode can be changed by changing at least one of the positions and orientations of the dust collection electrode with respect to the generation electrode unit, and when a large amount of dust accumulates in a certain area. , The position or orientation of the dust collecting electrode can be changed to collect dust in another area, thereby effectively reducing the cleaning frequency and reducing the attenuation of the particle CADR of the cleaning device. Improve the user experience.

The present invention provides a dust collecting electrode unit and an air purifier having the dust collecting electrode unit, for example, an electrostatic air purifier. As shown in FIG. 3, the air purifying device according to the present disclosure includes a power generation electrode unit 1 and a dust collection electrode unit 2 installed opposite to each other, the power generation electrode unit 1 includes a power generation electrode 11, and the dust collection electrode unit 2 A dust collecting electrode 21 and a dust collecting electrode support structure are provided, and the dust collecting electrode support structure is used to support the dust collecting electrode 21. When the power generation electrode 11 is energized, a high potential difference is generated between the power generation electrode 11 and the dust collection electrode 21, a corona discharge is generated, and the particles between the power generation electrode 11 and the dust collection electrode 21 are charged and charged. The particles move to the dust collecting electrode 21 and accumulate on the dust collecting electrode 21, thereby achieving the air cleaning effect.

Here, the most main dust collecting region of the dust collecting electrode 21 is a portion of the dust collecting electrode 21 facing the power generating electrode 11. As shown in FIGS. 1 and 2, the dust collection according to the present disclosure is solved in response to the problem existing in the related technology that the dust collection electrode 21 needs to be frequently cleaned in order to secure the cleaning effect of the cleaning device. The dust collecting electrode 21 of the electrode unit 2 is movable with respect to the dust collecting electrode support structure. In this way, the position and / or orientation of the dust collecting electrode 21 with respect to the generating electrode unit 1 can be changed, and by changing the position and / or orientation of the dust collecting electrode 21 with respect to the generating electrode unit 1, the dust collecting electrode 21 can be changed. The main dust collection area can be changed. As a result, when a large amount of dust accumulates in one area, the position or orientation of the dust collecting electrode 21 can be changed to collect dust in another area, thereby effectively reducing the cleaning frequency and cleaning. Reduces the decay of the device's particle CADR and improves the user experience. Here, the Japanese name of the CADR is the clean air supply rate, and the English name is "Clean Air Delivery Rate".

Here, as a method of moving the dust collecting electrode 21 with respect to the dust collecting electrode support structure, for example, the dust collecting electrode 21 can be translated and / or rotated with respect to the dust collecting electrode support structure. For example, rotating the dust collecting electrode support structure does not adversely affect the compactness of the structure of the entire air purifier, and the main dust collecting area of the dust collecting electrode 21 can be easily changed.

Further, as shown in FIG. 2, the dust collecting electrode 21 includes a electrode plate main body 211 and a plurality of dust collecting structures 212 installed on the electrode plate main body 211, and the dust collecting electrode 21 is provided through the dust collecting structure 212. It increases the dust collection area and allows the dust collection electrode 21 to collect more dust. When the dust collecting electrode 21 is located at a different position and / or orientation with respect to the dust collecting electrode unit 1, the dust collecting electrode unit 1 is installed facing the different dust collecting structure 212, that is, the position and / or of one dust collecting electrode 21. Every time the orientation is changed, the dust collecting structure 212 facing the power generation electrode unit 1 is replaced. In this way, each time the position or orientation of the dust collecting electrode 21 is changed, the new dust collecting structure 212 is installed facing the electrode generating electrode unit 1 and is used for collecting dust, whereby dust is collected. The one-time use time of the dust collecting electrode unit 2 becomes longer.

The dust collecting structure 212 may be any structure capable of increasing the dust collecting area of the dust collecting electrode 21, and in some embodiments, the dust collecting structure 212 is provided on the side side of the electrode plate main body 211. The convex portion is provided, preferably the convex portion has an extension direction coincident with the side surface, and the cross section thereof is a part of a circle, thereby further increasing the dust collection area of the dust collection electrode 21. A part of a circle can be a part of a complete circle cut out, for example a small part of a circle cut out.

The electrode plate main body 211 includes a first side side 2111 and a second side side 2112 facing each other, and further, a third side side connecting both ends of the first side side 2111 and the second side side 2112, respectively. It includes 2113 and a fourth side 2114. In some embodiments, the plurality of dust collecting structures 212 are provided on the first side side 2111 and the second side side 2112, respectively. For example, in the embodiment shown in FIG. 2, a first convex portion 2121 is provided on the first side side 2111 of the electrode plate main body 211, and a second convex portion 2112 is provided on the second side side 2112 of the electrode plate main body 211. A unit 2122 is provided, and by rotating the dust collecting electrode 21 in this way, the dust collecting structure 212 on the first side side 2111 or the dust collecting structure 212 on the second side side 2112 is generated by the electrode generating unit. It can be installed opposite to 1.

Specifically, as shown in FIG. 1, the dust collecting electrode support structure includes a frame structure 22, and the dust collecting electrode 21 is rotatable in the frame structure 22 about an axis parallel to the first side side 2111. The dust collecting electrode 21 is provided so that the first convex portion 2121 on the first side side 2111 faces the generation electrode unit 1 and the first convex portion 2121 collects dust as the main dust collecting structure 212. The position of 1 and the second position where the second convex portion 2122 on the second side side 2112 faces the electrode generating electrode unit 1 and the second convex portion 2122 collects dust as the main dust collecting structure 212. It can be rotated between.

Rotating shafts are provided on the third side side 2113 and the fourth side side 2114 of the dust collecting electrode 21, and correspondingly, the frame structure 22 has a rotating shaft hole (not shown) for fitting with the rotating shaft. The rotating shaft is provided so as to be rotatable in the rotating shaft hole, and the dust collecting electrode 21 can be rotated. Alternatively, the third side side 2113 and the fourth side side 2114 of the dust collecting electrode 21 are provided with a rotation shaft hole, and correspondingly, the frame structure 22 has a rotation shaft (not yet) that fits with the rotation shaft hole. (Fig.) Is provided, the rotating shaft is rotatably provided in the rotating shaft hole, and the dust collecting electrode 21 is rotatable.

In some embodiments, a plurality of dust collecting electrodes 21 are arranged side by side so that all the dust collecting electrodes 21 can rotate at the same time without interfering with each other during rotation. In order to minimize the distance between the dust collecting electrodes 21 and improve the compactness of the structure, for example, the rotating shaft or the rotating shaft hole is provided on the third side side 2113 and the fourth side. It is provided at the midpoint of the side 2114.

In some other embodiments, the dust collecting electrode 21 has a structure that can be expanded and contracted in a direction parallel to the third side side 2113, and the dust collecting electrode 21 contracts when rotated, and the dust collecting electrodes 21 are contracted to each other. When the rotation is completed, it expands and returns to its original shape and dimensions. Here, the dust collecting electrode 21 is electrically contracted, or the dust collecting electrode 21 includes a fixed portion and a movable portion that can be moved with respect to the fixed portion, and the movable portion is the original of the dust collecting electrode 21. In order to maintain the shape and dimensions, the movable part is in the normal position due to the action of an offset member such as a spring, while the movable part moves when the dust collection electrode 21 rotates and interferes with the fixed part of the adjacent dust collection electrode 21. The dust collecting electrode 21 moves to the contracted position under the action of the force, and when the rotation of the dust collecting electrode 21 is completed, the dust collecting electrode 21 is restored to the normal position by the action of the offset member. By making the dust collecting electrodes 21 expandable and contractible, the distance between the dust collecting electrodes 21 can be reduced.

In order to automatically switch the position of the dust collecting electrode 21, in some embodiments, the dust collecting electrode unit 2 rotationally drives the dust collecting electrode 21 between the first position and the second position. A drive device (not shown) for the purpose is further provided. Examples of the drive device include a device capable of rotationally driving the dust collecting electrode 21 such as a motor and a rotary cylinder. For example, the drive device may be installed at one end of the dust collecting electrode 21 and mounted on the frame structure 22.

Further, in order to simplify the structure, the dust collection electrode unit 2 is further provided with a transmission mechanism (not shown), and the drive device synchronously rotates and drives a plurality of dust collection electrodes 21 via the transmission mechanism. The transmission mechanism may be any rotatable transmission mechanism, and examples thereof include a gear transmission mechanism and both crank mechanisms.

The rotation of the dust collecting electrode 21 can be automatically controlled by an air purifier. For example, the cumulative operating time of the air purifier is statistic, and as a statistical method, when the dust collecting electrode 21 of the air purifier is used for the first time, the cumulative operating time is statistic starting from the first start time of the air purifier. When the dust collecting electrode 21 of the air purifying device is cleaned, the air purifying device statistics the cumulative operating time starting from the first start time after cleaning the dust collecting electrode 21, and the cumulative operating time is the first predetermined value. When the time is longer than the time, the drive device is controlled so as to drive the dust collecting electrode 21 once, and when the cumulative operating time is longer than the second predetermined time, a prompt message prompting the dust collecting electrode 21 to be cleaned. To the user. When the user cleans the dust collecting electrode 21 and sets it in the air purifier again, the cumulative operating time is cleared, and the clearing here may be automatic clearing, that is, in the air purifying device, the dust collecting electrode 21 is removed. When it is detected that it has been reattached, it is determined that it has been cleaned, the cumulative operating time is automatically cleared, and the user may manually perform the clear operation. Here, the first predetermined time and the second predetermined time can be set according to a specific situation, and the first predetermined time is, for example, a cleaning cycle of a general air purifier, and a second The predetermined time of is not more than twice the first predetermined time.

In another embodiment, the air purifier is provided with a button portion (not shown), and the user can voluntarily control the rotation of the dust collecting electrode 21 by pressing the button portion. For example, when the button portion is triggered, the driving device rotates and drives the dust collecting electrode 21 once. The button portion may be a mechanical button or a virtual button provided on the touch screen.

In the alternative embodiment, the dust collecting electrode unit is configured to be movable with respect to the generating electrode unit as a whole, whereby the position and orientation of the dust collecting electrode of the dust collecting electrode unit with respect to the generating electrode unit At least one can be changed. For example, the dust collecting electrode unit is configured to be rotatable as a whole or movable with respect to the generating electrode unit, and this configuration method is similar to the configuration installation of the dust collecting electrode described above, and therefore will not be described in detail here.

Further, as shown in FIG. 3, the air purifier according to the present disclosure further includes a primary filtration network 3 and an ozone reduction network 4, and in the flow direction of the air flow, the primary filtration network 3, the electrode generating electrode unit 1, and the dust collecting electrode The unit 2 and the ozone reduction net 4 are sequentially arranged, and by pre-filtering the air by the primary filtration net 3, the one-time use time of the dust collecting electrode unit 2 becomes long, which occurs in the air cleaning process of the air purifying device. Ozone is decomposed by the ozone reduction net 4.

As can be understood by those skilled in the art, each of the above-mentioned suitable forms can be arbitrarily combined or fused as long as there is no contradiction.

It should be noted that the above embodiments are merely exemplary and not restrictive, and those skilled in the art will make various obvious or equivalent modifications or substitutions to the above details without departing from the basic principles of the present disclosure. All of which are included in the claims of the present disclosure.

Claims (16)

A dust collecting electrode unit used in an air purifier equipped with a power generating electrode unit.
A dust collecting electrode unit including a dust collecting electrode that can be moved so as to change at least one of the positions and orientations with respect to the power generating electrode unit. The dust collection electrode unit according to claim 1, further comprising a dust collection electrode support structure, wherein the dust collection electrode is movable with respect to the dust collection electrode support structure. When the dust collecting electrode includes a electrode plate main body and a plurality of dust collecting structures installed on the electrode plate main body, and the dust collecting electrode is in a different position and / or orientation with respect to the electrode generating electrode unit, the dust collecting electrode is provided. The dust collecting electrode unit according to claim 1 or 2, wherein the electrode generating electrode unit is installed facing different dust collecting structures. The dust collecting electrode unit according to claim 3, wherein the plurality of dust collecting structures are provided on a first side surface and a second side side located on opposite sides of the electrode plate body, respectively. The dust collecting electrode unit according to claim 3, wherein the dust collecting structure includes a convex portion provided on a side surface of the electrode plate main body. The dust collecting electrode unit according to claim 5, wherein the convex portion has an extending direction that coincides with the side side and is a part having a circular cross section. The dust collecting electrode support structure is further provided, the dust collecting electrode is movable with respect to the dust collecting electrode support structure, the dust collecting electrode support structure is provided with a frame structure, and the dust collecting electrode is the same. A first unit that is rotatably installed in the frame structure about an axis parallel to the first side side and has the dust collecting electrode facing the dust collecting electrode on the first side side. The dust collecting electrode unit according to claim 4, wherein the dust collecting structure on the second side side can rotate between the position and the second position facing the electrode generating electrode unit. The electrode plate main body further includes a third side side and a fourth side side connecting the first side side and the second side side, and the third side side and the fourth side side. Is provided with a rotating shaft, and the frame structure is provided with a rotating shaft hole for fitting with the rotating shaft, or the third side side and the fourth side side are provided with a rotating shaft hole. The dust collecting electrode unit according to claim 7, wherein the frame structure is provided with a rotating shaft that fits with the rotating shaft hole. The dust collecting electrode unit according to claim 7, further comprising a driving device for rotationally driving the dust collecting electrode between the first position and the second position. A plurality of the dust collecting electrodes are arranged side by side, and the dust collecting electrodes are arranged side by side.
The dust collection electrode unit according to claim 9, further comprising a transmission mechanism, wherein the drive device synchronously and rotationally drives a plurality of the dust collection electrodes via the transmission mechanism. The dust collecting electrode unit according to claim 10, wherein the transmission mechanism includes a gear transmission mechanism or both crank mechanisms. The dust collecting electrode has a structure that can be expanded and contracted in a direction parallel to the third side side, and is configured to contract when rotating and to expand and return to the original shape and dimensions when the rotation is completed. The dust collecting electrode unit according to claim 8. The dust collecting electrode is electrically contracted, or the dust collecting electrode unit further includes an offset member, and the dust collecting electrode includes a fixed portion and a movable portion that can be moved with respect to the fixed portion. When the dust electrode rotates and interferes with the fixed portion of the adjacent dust collecting electrode, the movable part moves to the contracted position under the action of a force, and when the rotation of the dust collecting electrode is completed, The dust collecting electrode unit according to claim 12, wherein the movable portion is restored to a normal position by the action of the offset member. An air purifier including the dust collecting electrode unit according to any one of claims 1 to 13. The control method for an air purifier according to claim 14.
The dust collecting electrode unit further includes a driving device for rotationally driving the dust collecting electrode between a first position and a second position, and the control method is described as follows.
A step to stat the cumulative operating time of the air purifier, and
When the cumulative operating time is equal to or longer than the first predetermined time, the drive device is controlled so as to drive the dust collecting electrode once, or when the cumulative operating time is equal to or longer than the second predetermined time, the collecting is performed. 14. The method of controlling an air purifier according to claim 14, comprising sending the user a prompt message prompting the user to clean the dust electrodes. The method for statistic of cumulative operating time of an air purifier is
When the dust collecting electrode of the air purifier is used for the first time, the cumulative operating time is statistic starting from the first start time of the air purifier.
The fifteenth aspect of claim 15, wherein when the dust collecting electrode of the air purifying device is cleaned, the cumulative operating time is statistic starting from the first start time after cleaning the dust collecting electrode of the air purifying device. How to control the air purifier.

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