KR100606842B1 - Multi Cyclone Dust Collector - Google Patents

Abstract

The present invention relates to a multi-cyclone dust collector, the present invention comprises a primary cyclone dust collector for separating and collecting the foreign matter primarily by centrifugal force from the air forcedly sucked from the outside; A secondary cyclone dust collector installed inside the primary cyclone dust collector to perform secondary dust collection of foreign matter by centrifugal force from air discharged through the first cyclone dust collector; It provides a multi-cyclone dust collector, characterized in that it comprises a first air inlet for inducing the air introduced into the interior of the primary cyclone dust collector in the inclined direction.

Therefore, according to the present invention, since the air inlet pipe forming the inlet of the primary cyclone dust collector is inclined upwardly or downwardly with respect to the body, the rotation speed of the air in the primary cyclone dust collector is increased, and thus the dust collection performance is improved. Benefits can be obtained.

Cyclone, vacuum cleaner, dust collector, dust collection performance, dust bucket

Description

Multi cyclone dust collector

1 is a cross-sectional view schematically showing the internal structure of a conventional general multi-cyclone dust collector

Figure 2 is a perspective view schematically showing the structure of a first embodiment of a multi-cyclone dust collector according to the present invention

3 is a cross-sectional view of main parts of the multi-cyclone dust collector of FIG.

Figure 4 is a sectional view schematically showing the structure of the second embodiment of the multi-cyclone dust collector according to the present invention

5 is a sectional view schematically showing the main parts of a structure of a third embodiment of a multi-cyclone dust collector according to the present invention;

Explanation of symbols on the main parts of the invention

110: primary cyclone dust collector 111: the first cyclone body

112: first air inflow pipe 113: first dust collection

114: bulkhead 115: communication hole

120: secondary cyclone dust collector 121: second cyclone body

123: second air inlet 124: second dust collecting

126: communication hole 128: air discharge pipe

The present invention relates to a multi-cyclone dust collector having two or more cyclone dust collectors, and more particularly to a multi-cyclone dust collector to perform the process of separating and collecting the foreign matter forcedly sucked from the outside by using the cyclone principle It is about.

In general, the cyclone dust collector is a device that discharges the air to the outside of the foreign matter that rotates with the air using a centrifugal force and collects only the foreign matter from the air.

There are many types of cyclone dust collectors as described above, but among them, a multi-cyclone dust collector which forms a cyclone dust collector by connecting a primary cyclone dust collector and a secondary cyclone dust collector to perform dust collection again. It is possible to exhibit better dust collection performance than a single cyclone dust collector composed of only one.

That is, when the cyclone dust collector is introduced in a state where a large foreign material and a fine foreign material are mixed, the dust collection efficiency of the fine foreign matter is extremely reduced by the interference of the relatively large foreign matter. Therefore, the multi-cyclone dust collector has been developed to improve the dust collection performance by first collecting the relatively large foreign matter by the primary cyclone dust collector and then again collecting fine foreign matter in the secondary cyclone dust collector.

FIG. 1 schematically shows a conventional multi-cyclone dust collector as described above, and the structure of the conventional multi-cyclone dust collector will be described below in detail.

First, the multi-cyclone dust collector has a primary cyclone dust collector 10 and a secondary cyclone dust collector 20, a fan 30 for transmitting suction to each of the cyclone dust collectors 10 and 20, and a driving force to rotate the fan. It is largely composed of a fan motor 40 for transmitting.

The primary cyclone dust collector 10 is connected to the first cylindrical cyclone body 11 of the cylindrical shape, the upper circumferential surface of the first cyclone body 11, the first air inlet pipe 12 and air into which indoor air is introduced It is configured to include a first dust collector (13) is collected various foreign matter separated from.

Here, the first dust collecting tube 13 is formed on the bottom space of the first cyclone body 11, and is formed to be partitioned by the partition 14 from the space where the foreign matter is separated.

At this time, the partition 14 has a communication hole 15 is formed so that the separated foreign matter flows into the first dust collecting tube (13).

In addition, the secondary cyclone dust collecting unit 20 includes a second cyclone body 21 provided inside the first cyclone body 11 and a second air inflow through which air is introduced into the second cyclone body 21. The second dust collecting tube in which the foreign matter separated from the air is collected in the pipe 22, the air discharge pipe 23 through which the air flowing in the second cyclone body 21 is discharged, and the second cyclone body 21. It comprises a 24. The lower surface of the second cyclone body 21 is formed with a communication hole 25 communicated with the second dust collecting tube (24).

Here, the upper surface of the second cyclone body 21 is formed integrally with the first cyclone body 11, the second air inlet pipe 22 and the upper space in the first cyclone body (11) It is formed in communication.

In addition, the air discharge pipe 23 is connected through the central portion of the upper surface of the second cyclone body 21, the other end is connected to the space provided with the fan 30 and the fan motor 40, the fan The suction force generated by the rotation of 30 is received.

In addition, the second dust collector 24 is provided on the central space in the first dust collector 13 constituting the primary cyclone dust collector 10, so as to communicate with the lower space in the second cyclone body 21. It is provided.

Hereinafter, the foreign matter collection process by the above-described conventional multi-cyclone dust collector will be described in detail.

First, the suction force is generated while the fan 30 is rotated by the driving force of the fan motor 40, and the suction force is an air discharge pipe 23, a second air inlet pipe 22, or the like of the secondary cyclone dust collector 20. While passing sequentially, it is delivered to the first air inlet pipe 12 of the primary cyclone dust collector 10.

Accordingly, air containing various foreign matters in the room is introduced into the first cyclone body 11 through the first air inlet pipe 12.

At this time, the air flowing in the interior of the first cyclone body 11 and the foreign matter flows out to the second cyclone body 21 through the second air inlet pipe 22, the foreign matter to the centrifugal force As a result of being rotated and lowered along the wall surface in the first cyclone body 11, it passes through the communication hole 15 formed in the partition 14 and is collected in the first dust collecting tube 13.

In addition, the air introduced into the second cyclone body 21 is separated from the fine dust in the process of flowing in the second cyclone body 21 through the fan 30 through the air discharge pipe 23 and The fan motor 40 is discharged into the space provided.

At this time, the fine dust separated from the air in the second cyclone body 21 is rotated and lowered along the inner wall surface of the second cyclone body 21 while communicating holes (below the second cyclone body 21) Through 25) is discharged into the second dust collector (24) is to be collected.

However, the conventional cyclone dust collector has the following problems.

First, since the first air inlet pipe 12 and the second air inlet pipe 22 are formed at substantially the same height, air and foreign substances introduced through the first air inlet pipe 12 do not rotate immediately. Introduced into the secondary cyclone body 21, the cleaning efficiency is lowered, there is a problem that the cleaning efficiency is further lowered because the rotation speed of the air and foreign matter.

Second, since the capacity of the first and second dust collectors for collecting foreign matters is small, the dust collection efficiency is lowered, and the user has to empty the dust collector frequently. Of course, increasing the height of the dust collector increases the capacity, but increases the height of the entire vacuum cleaner and is subject to many design constraints.

The present invention is to solve the above problems, an object of the present invention to provide a multi-cyclone dust collector that can improve the dust collection efficiency by increasing the number of revolutions of air and foreign matter introduced into the primary cyclone dust collector will be.

Another object of the present invention is to provide a multi-cyclone dust collector of compact size and design by increasing dust collection efficiency by increasing the capacity of the dust collector without increasing the overall height.

According to an embodiment of the present invention to achieve the above object, the primary cyclone dust collecting unit for separating and collecting the first foreign matter by centrifugal force from the air forcedly sucked from the outside; A secondary cyclone dust collector installed inside the primary cyclone dust collector to perform secondary dust collection of foreign matter by centrifugal force from air discharged through the first cyclone dust collector; Provided is a multi-cyclone dust collector comprising a first air inlet for inducing the air introduced into the primary cyclone dust collector from the outside to be inclined direction.

According to the present invention, since the air inlet pipe forming the inlet of the primary cyclone dust collector is inclined upwardly or downwardly with respect to the body, the rotation speed of the air in the primary cyclone dust collector is increased, and thus the dust collection performance is improved. You can get this.

According to another embodiment of the invention, the first cyclone body for first separating the foreign matter by centrifugal force from the air forcedly sucked from the outside by the air suction means; A first air inlet connected to the first cyclone body while being inclined at the same time; A first dust collecting part installed in communication with a lower portion of the first cyclone body to collect foreign matter separated in the first cyclone body; A second cyclone body installed in communication with the first cyclone body to separate foreign matter from the air introduced through the first cyclone body; A second air inlet installed in the second cyclone body to communicate with the inside of the first cyclone body; A second dust collecting part collecting foreign matter separated from the second cyclone body; There is provided a multi-cyclone dust collector comprising an air discharge pipe for connecting the second cyclone body with the air suction means.

According to another embodiment of the present invention, the first cyclone body for separating the foreign matter by centrifugal force from the air forcedly sucked from the outside by the air suction means, and is installed in communication with the lower portion of the first cyclone body A primary cyclone dust collector comprising a first dust collector configured to have a cross-sectional area larger than the cross-sectional area of the first cyclone body to collect foreign matter separated in the first cyclone body; Provided is a multi-cyclone dust collector provided inside the first cyclone body and including a secondary cyclone dust collector configured to perform secondary dust collection of foreign matter by centrifugal force from air discharged through the primary cyclone dust collector.

According to the present invention, it is possible to increase the capacity of the primary cyclone dust collector of the dust collector or increase the capacity of the dust collector while reducing the height, so that the dust collecting performance is further improved and the user can clean the foreign substances of the dust collector. Increasing the emptying period can increase the ease of use, there is an advantage that can be designed a variety of dust collector.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the multi-cyclone dust collector according to the present invention that can specifically realize the above object will be described in detail.

2 and 3 show a first embodiment of the multi-cyclone dust collector according to the present invention, the multi-cyclone dust collector of the present invention is the primary cyclone dust collector 110 and the secondary cyclone dust collector 120, and each The fan 30 is largely configured to transmit suction power to the cyclone dust collectors 110 and 120, and a fan motor 40 to transmit driving force to rotate the fan.

The primary cyclone dust collecting unit 110 is connected to a cylindrical first cyclone body 111, the first air inlet 112 and the air is connected to the upper circumferential surface of the first cyclone body 111 and the indoor air flows It is configured to include a first dust collector 113, the various foreign matters are separated.

Here, the first air inlet 112 is formed to be inclined upwardly from the outer side to the inner side of the first cyclone body 111 by a predetermined degree.

In addition, the first dust collecting chamber 113 is formed on the bottom space of the first cyclone body 111 and is formed to be partitioned by the partition wall 114 from the space where the foreign matter is separated.

In this case, a communication hole 115 is formed in the partition wall 114 so that the separated foreign matter flows into the first dust collecting chamber 113.

Meanwhile, the secondary cyclone dust collector 120 has a second cyclone body 121 provided inside the first cyclone body 111 and a second air inflow through which air is introduced into the second cyclone body 121. A ball 123, an air discharge pipe 128 through which air flowing in the second cyclone body 121 is discharged, and a second collection in which foreign matter separated from air is collected in the second cyclone body 121. Pain relief 124.

Here, the upper surface of the second cyclone body 121 is integrally formed with the first cyclone body 111.

In addition, the second air inlet 123 is bent in one portion 122 is cut out while the upper end of the second cyclone body 121 is cut out, the other portion 122 of the opposite side is cut inward It is created by the space formed between the two incisions while bending. At this time, the cut portions 122 on both sides of the second air inlet 123 flow through the first cyclone body 111 to guide the air flowing into the second air inlet 123.

On the other hand, the air discharge pipe 128 is connected through the central portion of the upper surface of the second cyclone body 121, the other end is connected to the space provided with the fan 30 and the fan motor 40, the fan The suction force generated by the rotation of 30 is received.

In addition, the second dust collector 124 is provided on the central space in the first dust collector 113 forming the primary cyclone dust collector (110). Here, the second cyclone body 121 and the second dust collecting cylinder 124 is divided by the partition wall 114, the first by the communication hole 126 formed in the central side of the partition wall 114 In communication with the lower space in the two-cyclone body 121.

Referring to the foreign matter dust collection process according to an embodiment of the multi-cyclone dust collector configured as described above in detail as follows.

First, the suction force is generated while the fan 30 is rotated by the driving force of the fan motor 40, and the suction force sequentially moves the air discharge pipe 128 and the second air inlet 123 of the secondary cyclone dust collector 120. While passing through to the first air inlet 112 of the primary cyclone dust collector 110 is transmitted.

Accordingly, the air containing various foreign substances in the room is introduced into the first cyclone body 111 through the first air inlet pipe 112. At this time, since the first air inlet pipe 112 is formed to be inclined upwardly, air and foreign matter introduced into the first cyclone body 111 through the first air inlet pipe 112 flow inclined upwardly.

Subsequently, air flowing in the interior of the first cyclone body 111 and foreign matters are introduced into the second cyclone body 121 through the second air inlet hole 123, and the foreign matters are separated by the centrifugal force. It is collected in the first dust collecting chamber 113 by passing through the communication hole 115 formed in the partition wall 114 while turning and descending along the wall surface in the first cyclone body 111.

In addition, the air introduced into the second cyclone body 121 and the fine particles that are not filtered are separated and collected again during the flow of the second cyclone body 121.

That is, the fine dust of the air and fine dust introduced into the second cyclone body 121 passes through the communication hole 126 formed in the partition wall 114 while turning and descending along the wall surface of the second cyclone body 121. To be collected in the second dust collecting container 124. And, the air is discharged to the space provided with the fan 30 and the fan motor 40 through the air discharge pipe (23).

As described above, when the first air inlet pipe 112 is formed to be inclined with respect to the first cyclone body 111, the rotation speed of the air and the foreign matter is increased in the first cyclone body 111, thereby increasing the amount of foreign matter 1. I can collect it by car.

On the other hand, in the above-described embodiment, the first air inlet pipe 112 is formed to be inclined upward from the outer side to the inner side of the first cyclone body 111, otherwise it may be formed to be inclined downward from the outer side to the inside.

Next, a second embodiment of the multi-cyclone dust collector according to the present invention will be described with reference to FIG.

The basic configuration of the multi-cyclone dust collector shown in FIG. 4 is the same as the above-described embodiment. However, the multi-cyclone dust collector of the second embodiment is different from the above-described embodiment in the structure of the first dust collector (200).

That is, in the multi-cyclone dust collector of the second embodiment, the cross-sectional area of the first cyclone 200 is formed into a cylindrical shape larger than the cross-sectional area of the first cyclone body 111. As such, when the cross-sectional area of the first dust collecting body 200 is formed larger than that of the first cyclone body 111, the capacity can be increased without increasing the height of the first collecting dust 200.

As described above, when the capacity of the first dust collector 200 is increased, the dust collection performance may be improved, and a period in which the user emptyes the foreign matter of the first dust collector 200 may be increased.

In addition, even if the height of the first dust collector (200) can be reduced to have the same or similar capacity as the existing, there is an advantage that can be diversified the design design of the cleaner without reducing the dust collection performance.

In addition, the capacity of the first dust collector 200 may be increased in various forms in addition to the cylindrical shape, for example, as shown in the third embodiment of the multi-cyclone dust collector of FIG. 5. The cross-sectional area of the first dust collector (300) may be gradually increased from the top to the bottom to make a conical shape.

Alternatively, the first dust collector 300 may be made into a polygon such as a quadrangle.

Referring to the effects of the multi-cyclone dust collector of the present invention as described above are as follows.

First, since the air inlet pipe forming the inlet of the primary cyclone dust collector is inclined upwardly or downwardly with respect to the body, the rotation speed of the air increases in the primary cyclone dust collector, and thus, the dust collecting performance can be improved. .

Second, since the capacity of the primary cyclone dust collector can be increased without increasing the height of the dust collector, or rather, the capacity of the dust collector can be increased while reducing the height, thereby improving the dust collection performance and increasing the frequency at which the user emptyes the foreign matter of the dust collector. It can increase the ease of use. In addition, it is possible to design a variety of dust collector can be diversified the design of the vacuum cleaner, and the effect of improving the aesthetics is also obtained.

Claims (16)

A primary cyclone dust collecting unit configured to separate and collect foreign matter primarily by centrifugal force from the air forcedly sucked from the outside; A secondary cyclone dust collector installed inside the primary cyclone dust collector to perform secondary dust collection of foreign matter by centrifugal force from air discharged through the first cyclone dust collector; And a first air inlet for inducing air introduced from the outside into the primary cyclone dust collector in an inclined direction. The multi-cyclone dust collector of claim 1, wherein the first air inlet is inclined upwardly from the outside to the inside. The multi-cyclone dust collector of claim 1, wherein the first air inlet is inclined downward from the outside to the inside. A first cyclone body for separating the foreign matter by centrifugal force from the air forcedly sucked from the outside by the air suction means; A first air inlet connected to the first cyclone body while being inclined at the same time; A first dust collecting passage installed in communication with the lower portion of the first cyclone body to collect foreign matter separated in the first cyclone body; A second cyclone body installed in communication with the first cyclone body to separate foreign matter from the air introduced through the first cyclone body; A second air inlet installed in the second cyclone body to communicate with the inside of the first cyclone body; A second dust collecting passage through which foreign matter separated from the second cyclone body is collected; Multi-cyclone dust collector comprising an air discharge pipe for connecting the second cyclone body with the air suction means. The multi-cyclone dust collector of claim 4, wherein the first air inlet is inclined upwardly from the outside to the inside. The multi-cyclone dust collector of claim 4, wherein the first air inlet is inclined downward from the outside to the inside. According to claim 4, Between the first cyclone body and the first dust collector is installed, the communication hole communicating with the first cyclone body and the first dust collector is formed to partition the space between the first cyclone body and the first dust collector Multi-cyclone dust collector, characterized in that further comprises a partition wall. The multi-cyclone dust collector of claim 1, wherein the second dust collector is formed to communicate with the second cyclone body within the first dust collector. The multi-cyclone dust collector of claim 1, wherein the first dust collector has a cross-sectional area larger than that of the first cyclone body.  10. The multi-cyclone dust collector of claim 9, wherein the first dust collector has a cross-sectional area different from that of the first cyclone body. 11. The multi-cyclone dust collector of claim 9 or 10, wherein the first dust collector has a lower cross-sectional area than the upper portion thereof. 12. The multi-cyclone dust collector of claim 11, wherein the first dust collector has a larger cross-sectional area gradually from top to bottom. A first cyclone body for primary separation of foreign matter by centrifugal force from air forcedly sucked from the outside by air suction means, and installed in communication with a lower portion of the first cyclone body and larger than the cross-sectional area of the first cyclone body; A primary cyclone dust collector configured to have a cross-sectional area, the first cyclone dust collector configured to collect first foreign matters separated in the first cyclone body; And a secondary cyclone dust collector installed inside the first cyclone body to perform secondary dust collection of foreign matter by centrifugal force from air discharged through the primary cyclone dust collector.  The multi-cyclone dust collector of claim 13, wherein the first dust collector has a cross-sectional area that is different from the cross-sectional area of the first cyclone body. The multi-cyclone dust collector of claim 13, wherein the first dust collector has a larger cross-sectional area at a lower portion thereof than an upper portion thereof. The multi-cyclone dust collector of claim 15, wherein the first dust collector has a larger cross-sectional area gradually from top to bottom.

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