CN1985748A - Cyclonic cleaner - Google Patents

Abstract

A cyclone cleaner including a cyclone separation unit capable of reducing noise generated from the cyclone separation unit and capable of reducing pressure loss by forming a smooth air flow. The cyclone separation unit includes: a main body having an air inlet and an air outlet; a main cyclone to firstly separate impurities from air sucked through the inlet; a plurality of secondary cyclones to separate impurities from the main cyclone secondary separation in the air discharged from the separator, and discharge the air from which impurities have been removed through the exhaust holes of the secondary cyclones; and a noise reduction member located in the exhaust holes of each of the secondary cyclones , to reduce noise. The cyclone separation unit further includes a guide plate allowing air discharged through the discharge hole of the secondary cyclone to be smoothly discharged through the air outlet.

Description

cyclone vacuum cleaner

technical field

The invention relates to a cyclone vacuum cleaner. More particularly, it relates to a cyclonic cleaner including a cyclonic separation unit that centrifugally separates impurities from air sucked into the cleaner.

Background technique

Generally, a conventional cyclone cleaner includes a blower fan unit and a cyclone separation unit, wherein the blower fan unit includes a suction-generating motor and a blower fan, and the cyclone separation unit uses the suction generated from the blower fan unit to suck impurities from the cyclone cleaner The subject's air is filtered out.

The cyclone separation unit includes: a main cyclone separator, which firstly separates impurities from the air by generating a circulating air flow; After the air is discharged from the separator, the impurities are separated from the air for a second time. After the air is discharged from the secondary cyclones, it is discharged through the exhaust holes of each secondary cyclone. However, the diameter of the exhaust hole of the secondary cyclone separator is smaller than the diameter of the exhaust hole of the main cyclone separator, so that when the air passes through the exhaust hole of the secondary cyclone separator while rapidly circulating in the exhaust hole, serious The noise is generated from the exhaust hole of the secondary cyclone separator.

In addition, in the conventional cyclone unit, since the air is discharged through the exhaust port formed at one side of the cyclone unit without any air flow guidance after being discharged through the upwardly directed sub-cyclone exhaust hole, Therefore, the air discharged through the exhaust hole of the secondary cyclone collides with the top cover of the cyclone separation unit, and generates noise. In addition, due to the collision of the air discharged through the exhaust hole of the secondary cyclone with the top cover, the air flow becomes turbulent, causing a pressure loss.

Contents of the invention

Accordingly, an aspect of the present invention is to provide a cyclone cleaner capable of reducing noise generated from an exhaust hole of a secondary cyclone separator without reducing the efficiency of separating impurities.

Another aspect of the present invention is to provide a cyclone cleaner capable of naturally guiding air discharged from an exhaust hole of a secondary cyclone, preventing generation of noise, and forming a stable air flow, thereby reducing pressure loss.

Additional aspects and/or advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

The foregoing and/or other aspects of the present invention are achieved by providing a cyclonic cleaner comprising: a cyclonic separation unit, wherein the cyclonic separation unit comprises a main body having an air inlet and an air outlet; a main cyclone, The primary cyclone separates impurities from the air sucked in through the air inlet for the first time; a plurality of secondary cyclones separates the impurities from the air discharged from the main cyclone for a second time, and exhausting the air from which impurities have been removed through the exhaust holes of the secondary cyclones; and a noise reducing member provided to the exhaust holes of each of the secondary cyclones to reduce noise.

The noise reduction means comprises a membrane separating the associated exhaust opening of each secondary cyclone in a direction transverse to the inflow air flowing into the secondary cyclone.

The membrane is arranged in a direction perpendicular to the air flowing into the secondary cyclone.

Diaphragm bisects the cross-section of the vent hole of the subcyclone.

The exhaust hole of the secondary cyclone has a predetermined height, and the diaphragm is installed to have a predetermined height from a lower end of the exhaust hole.

The cyclone unit further includes a cover plate covering upper portions of the primary cyclone and the secondary cyclone, the cover plate including a guide flow path through which air is guided into the secondary cyclone.

The exhaust hole of the secondary cyclone separator is formed on the cover plate.

The noise reducing member further includes an air guide that guides air discharged through the secondary cyclone exhaust hole toward an air outlet.

The cyclone unit further includes a guide plate to allow air discharged through the discharge hole of the secondary cyclone to be smoothly discharged through the air outlet.

The guide plate is arranged such that one side of the guide plate faces the air outlet, and the other side of the guide plate faces in a direction opposite to the air outlet.

The guide plate is integrally formed with the top cover of the main body.

Another aspect of the present invention is to provide a cyclone cleaner, which includes: a cyclone separation unit, wherein the cyclone separation unit includes: a main body with an air inlet and an air outlet; a main cyclone separator located in the center of the main body , to first separate the impurities from the air sucked in through the air inlet; a plurality of secondary cyclones arranged circumferentially around the main cyclone separator, to secondarily separate the impurities from the air discharged from the main cyclone separator, and The air from which impurities have been removed is discharged through the exhaust holes of the secondary cyclone separators; and diaphragms respectively installed in the exhaust holes of the secondary cyclone separators to separate the exhaust holes while surrounding the primary cyclone separators The cyclone separator is arranged along the circumferential direction.

Another aspect of the present invention is to provide a cyclone cleaner, which includes: a cyclone separation unit, wherein the cyclone separation unit includes: a main body with an air inlet and an air outlet; a main cyclone separator to remove impurities First separation from the air inhaled through the air inlet; multiple secondary cyclone separators to separate the impurities from the air discharged from the main cyclone separator for the second time, and pass through the exhaust holes of the secondary cyclone separators to remove the impurities air removed therefrom is discharged; and an air guide installed in the discharge hole of each of the secondary cyclones to guide the air discharged through the discharge holes of the secondary cyclones toward an air outlet.

The cyclone unit further includes a guide plate to allow air discharged through the discharge hole of the secondary cyclone to be smoothly discharged through the air outlet.

Description of drawings

These and/or other aspects and advantages of the present invention will be apparent and more easily appreciated from the following description of the embodiments in conjunction with the accompanying drawings, in which:

FIG. 1 is a view illustrating a cyclone cleaner according to one embodiment of the present invention;

Figure 2 is a longitudinal sectional view illustrating the cyclone separation unit of the cyclone cleaner shown in Figure 1;

Figure 3 is a rear view illustrating the cover plate of the cyclonic separation unit shown in Figure 2;

Fig. 4 is a graph showing the noise reduction effect obtained by using a diaphragm for the cover plate shown in Fig. 2; and

FIG. 5 is an exploded perspective view illustrating the cyclone separation unit shown in FIG. 2 .

Detailed ways

Reference will now be made in detail to embodiments of the invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements. The embodiments are described below in order to explain the present invention by referring to the figures.

In FIG. 1 , a cyclone cleaner according to an embodiment of the present invention includes: a suction unit 1 that sucks impurities together with air by suction; and a body 2 that collects the impurities sucked by the suction unit 1 .

The main body 2 and the suction unit 1 are connected through the connection hose 3a and the connection pipe 3b, so that the suction generated from the main body 2 is transmitted to the suction unit 1 through the connection hose 3a and the connection pipe 3b.

The main body 2 is connected at the front side with a connection hose 3a to allow air to flow to the main body 2 through the connection hose 3a, and the main body 2 includes an exhaust port 4 at the rear upper part of the main body 2, through After the cyclone separation unit 10 located inside the main body 2 removes impurities, the air is discharged to the outside of the main body 2 through the exhaust port 4 . The main body 2 is provided with a blower fan unit 5 inside to generate blowing force and suction force. The blower fan unit 5 includes: a blower fan 5a to generate suction force while rotating; and a motor 5b that rotates the blower fan 5a. The blower fan unit 5 is connected to the cyclone separation unit 10 through a connecting pipe 6 .

The cyclone separation unit 10, which is used for the cyclone cleaner of FIG. 1, will be described with reference to FIGS. 2 to 5. FIG.

As shown in Figure 2, the cyclone separation unit 10 according to the embodiment of the present invention includes: a unit body 20, the unit body 20 includes a substantially cylindrical outer casing 21 and an inner casing 22 located in the outer casing 21; The main cyclone separator 30 in 22, the main cyclone separator 30 separates the impurities from the air sucked into the unit body 20 for the first time; the multiple secondary cyclone separators 40 located on the outer casing 21, the multiple secondary cyclone separators 40 separate the impurities Secondary separation from the air discharged from the primary cyclone separator 30 .

The cyclone separation unit 10 further includes an air inlet 11 formed on the lower side of the unit main body 20 and an air outlet 12 formed on the upper side of the unit main body 20, so that the air inlet 11 communicates with the main cyclone separator 30, and the air outlet 12 communicates with the main cyclone separator 30. The secondary cyclone 40 communicates. In addition, after the air is discharged from the main cyclone 30 , it is divided by the guide flow path 51 formed on the cover plate 50 and uniformly distributed to the sub-cyclone 40 .

The main cyclone separator 30 includes: a substantially cylindrical main cyclone chamber 31, the main cyclone chamber 31 is located at the upper center of the inner housing 22; , the first dust bucket 33 collects the impurities that are first separated by centrifugal force.

The secondary cyclone separator 40 includes: a plurality of secondary cyclone chambers 41, a plurality of secondary cyclone chambers 41 are arranged on the upper part of the outer casing 21 along the circumferential direction, and the plurality of secondary cyclone chambers 41 have the same shape and size; The plurality of second dust collecting barrels 42 at the lower part of 21 respectively collect the impurities secondary separated by the plurality of secondary cyclone chambers 41 . Each of the secondary cyclone chambers 41 is formed by connecting a conical portion 41 a formed in the outer casing 21 and a cylindrical portion 51 a formed in the cover plate 50 . Each secondary cyclone separator 40 is respectively arranged in each secondary cyclone cavity 41 at a predetermined angle.

Upper portions of the primary cyclone 30 and the secondary cyclone 40 are covered by a cover plate 50 . The cover plate 50 includes: a guide flow path 51 to guide the air discharged from the main cyclone separator 30, so that the air is evenly distributed to a plurality of secondary cyclone separators 40 along the guide flow path 51; The separator 40 exhausts the air from which impurities have been removed through the exhaust hole 44 .

After the air is guided through the air inlet 11 formed at the lower side of the unit main body 20 and communicated with the main cyclone 30, a circulating air flow is formed in the main cyclone 30 while passing through the spiral duct 11a. The circulating air flow circulates between the outer peripheral surface of the main cyclone separator 30 and the partition wall 32 , thereby separating impurities from the air by the centrifugal force of the circulating air flow and collecting them in the first dust collecting barrel 33 . Then, the air from which impurities have been removed by the main cyclone separator 30 flows into the main cyclone chamber 31 through an outlet 31 a formed at a lower portion of the main cyclone chamber 31 , and then moves upward.

FIG. 3 is a rear view illustrating the cover plate 50 including the guide flow path 51 formed therein and the exhaust hole 44 of the secondary cyclone separator 40 .

As shown in FIG. 3 , the cover plate 50 includes a distribution portion 52 protruding downward from its center to distribute the air discharged from the main cyclone chamber 31 in all directions. Here, the guide flow path 51 in the cover plate 50 enables the air divided by the distribution part 52 to be uniformly distributed to the respective sub-cyclones 40 . In the cover plate 50, the cross-sectional area of each guide flow path 51 gradually decreases toward the associated secondary cyclone separator 40, and each guide flow path 51 guides the air to the inner peripheral surface of the cylindrical portion 51a, and the cylindrical portion 51a Forms part of each secondary cyclone 40 . Thus, the air is guided to the inner peripheral surface of each cylindrical portion 51a along the associated guide flow path 51, and rotates along the inner peripheral surface of the cylindrical portion 51a. Therefore, a part of the air is exhausted through the exhaust holes 44, while the rest of the air is gradually lowered and guided into the associated conical portion 41a.

In the conical portion 41 a, the air moves downward while circulating along the inner peripheral surface of the conical portion 41 a, so that impurities in the air fall and accumulate in the second dust collecting bucket 42 . Then, the air from which impurities are secondarily removed moves upward and is discharged through the exhaust hole 44 of the second cyclone 40 formed in the cover plate 50 .

The exhaust hole 44 of each secondary cyclone separator 40 includes a diaphragm 60 to reduce the circulation of the circulating air flow, thereby reducing the noise generated from each exhaust hole 44, wherein the circulating air flow passes through the associated secondary cyclone cavity 41. Exhaust hole 44 is discharged.

As shown in FIG. 3 , the direction in which the diaphragm 60 is arranged traverses the air flowing into the exhaust hole 44 through the guide flow path 51 formed on the cover plate 50 . The diaphragm 60 is arranged in a direction perpendicular to the inflow air. Thus, a plurality of membranes 60 are disposed circumferentially around the distribution section 52 or the main cyclone 30 while the plurality of membranes 60 separate the respective exhaust holes 44 .

The diaphragm 60 is arranged in the above-mentioned manner in order to prevent a reduction in the efficiency of separating impurities by the secondary cyclone 40, and other placement of the diaphragm 60 may result in a reduction in the efficiency of separating impurities.

The velocity of the circulating air flow guided into each cylindrical portion 51a through the associated guide flow path 51 is highest at the outer portion of the cylindrical portion 51a, thereby providing excellent separation efficiency of impurities.

If each diaphragm 60 is arranged to be parallel to the air flowing in the exhaust hole 44 of each secondary cyclone separator 40, then when the circulating air flow has the highest velocity, the circulating air flow is blocked by the diaphragm 60, therefore, no consideration can be reduced Noise, the separation efficiency of impurities is reduced.

When the diaphragm 60 is provided in the vent hole 44 , the diaphragm 60 bisects the cross section of the vent hole 44 . The diaphragm 60 is disposed in the exhaust hole 44 at a predetermined height from the lower end of the exhaust hole 44 . Therefore, it is possible to avoid the circulation of the circulating air flow in the exhaust hole 44 .

FIG. 4 is a graph showing the noise reduction effect obtained when the diaphragm 60 is provided in the vent hole according to this embodiment.

In FIG. 4 , A represents the noise level generated from the exhaust hole 44 of the secondary cyclone separator 40 . It has been found that when the above-described diaphragm 60 is provided within the vent hole 44, the noise level is significantly reduced.

In addition, as shown in FIG. 5 , the exhaust hole 44 of each secondary cyclone separator 40 may be provided with an air guide 45 to guide the air discharged upwardly through the exhaust hole 44 of the secondary cyclone separator 40 to the air outlet 12. .

Each air guide 45 is formed facing the air outlet 12 . The air guide 45 changes the air flow that passes through the exhaust hole 44 of the secondary cyclone separator 40 and is discharged upward toward the air outlet 12 formed at one side of the unit main body 20, thereby preventing the air from being separated from the cyclone due to the air discharged through the exhaust hole 44. The noise generated by the collision of the top cover 13 of the unit 10. In addition, it is also possible to reduce pressure loss which may occur due to collision with the top cover 13 when the air is discharged through the air outlet 12 after being discharged through the exhaust hole 44 .

A plurality of sub-cyclones 40 are provided on the unit main body 20 in the circumferential direction. The cyclone separation unit 10 includes a guide plate 46, the guide plate 46 prevents the air discharged from the discharge holes of the plurality of secondary cyclone separators 40 from interfering with each other, and at the same time enables the air to flow smoothly to the air outlet 12, wherein the plurality of secondary cyclone separators 40 Set circumferentially on the unit body.

The guide plate 46 is arranged in such a way that one side of the guide plate 46 faces the air outlet 12 , and the other side of the guide plate 46 faces the opposite direction of the air outlet 12 . By arranging the guide plate 46 in this way, it is possible to prevent mutual interference of the air discharged through the exhaust holes opposed to each other with respect to the guide plate 46 and to make the air flow smoothly toward the air outlet 12 .

The guide plate 46 is formed on the top cover 13 . The guide plate 46 is integrally formed with the top cover 13 by injection molding.

As apparent from the above description, the cyclone cleaner according to the present invention includes the diaphragm provided in the exhaust hole of the secondary cyclone, and can reduce the noise generated from the exhaust hole.

In addition, each exhaust hole includes an air guide so that noise and pressure loss caused between the air exhausted through the exhaust hole of the secondary cyclone separator and the top cover of the cyclone separation unit can be reduced. caused by the collision.

In addition, the cyclone separation unit includes a guide plate so that a smooth flow of air discharged through the air outlet can be achieved.

Although some embodiments of the present invention have been shown and described, those skilled in the art will appreciate that changes can be made to the described embodiments without departing from the principles and spirit of the present invention, the scope of which is defined in the claims and its equivalents are defined.

Claims (19)

1. A cyclone vacuum cleaner, comprising: Cyclone separation unit, described cyclone separation unit comprises: a body having an air inlet and an air outlet; a main cyclone that first separates impurities from the air drawn in through the air inlet; a plurality of secondary cyclones that secondarily separate impurities from the air discharged from the primary cyclone and pass the air from which the impurities have been removed through the secondary cyclones the vent hole of the device is exhausted; and A noise reducing member is provided to the exhaust hole of each sub-cyclone to reduce noise. 2. A cyclonic cleaner as claimed in claim 1, wherein the noise reducing member comprises a membrane separating the associated exhaust holes in a direction transverse to the air flowing into the secondary cyclone. 3. The cyclonic cleaner of claim 1, wherein the cyclonic separation unit further comprises an inner housing and an outer housing, the inner housing and the outer housing housing the primary cyclone separator and the secondary cyclonic separator, respectively. device. 4. The cyclone vacuum cleaner according to claim 3, wherein the main cyclone separator comprises: a cylindrical main cyclone chamber located at the upper center of the inner housing; and The partition wall defines a first dust collection bucket in the inner casing, and the first dust collection bucket collects impurities that are first separated by centrifugal force. 5. The cyclone cleaner according to claim 3, wherein the secondary cyclone separator comprises: a plurality of secondary cyclone cavities circumferentially arranged at the upper portion of the outer shell; and a plurality of secondary cyclone chambers defined at the lower portion of the outer shell. The second dust collection bucket, the plurality of second dust collection buckets respectively collect the impurities separated by the secondary cyclone chambers. 6. The cyclonic cleaner of claim 2, wherein the membrane is disposed in a direction perpendicular to the air flowing into the secondary cyclone. 7. The cyclonic cleaner of claim 2, wherein the membrane bisects the cross-section of the exhaust hole of the secondary cyclone separator. 8. The cyclone cleaner of claim 2, wherein the exhaust hole of the secondary cyclone separator has a predetermined height, and the diaphragm is installed to have a predetermined height from a lower end of the exhaust hole. 9. The cyclonic cleaner of claim 5, further comprising: The cover plate covering the upper part of the primary cyclone separator and the secondary cyclone separator, wherein the cover plate includes a guide flow path through which air is respectively guided into the secondary cyclone separator. 10. The cyclonic cleaner according to claim 9, wherein an exhaust hole of the secondary cyclone separator is formed on the cover plate. 11. The cyclone vacuum cleaner according to claim 9, wherein the outer shell further comprises a conical portion, and the cover plate further comprises a cylindrical portion, wherein each secondary cyclone cavity is connected by the conical portion and the cylindrical part is formed. 12. The cyclonic cleaner according to claim 11, wherein each secondary cyclone separator is respectively disposed in the secondary cyclone cavity at a predetermined angle. 13. The cyclone cleaner according to claim 1, wherein the noise reducing member includes an air guide that guides air discharged through an exhaust hole of each secondary cyclone toward the air outlet. . 14. The cyclonic cleaner of claim 13, further comprising: A guide plate that allows air discharged through the discharge hole of the secondary cyclone to be smoothly discharged through the air outlet. 15. The cyclone cleaner according to claim 14, wherein the guide plate is arranged such that one side of the guide plate faces the air outlet, and the other side of the guide plate faces the air outlet. The opposite direction of the air port. 16. The cyclone cleaner of claim 14, wherein the guide plate is integrally formed with the top cover of the main body. 17. A cyclone vacuum cleaner comprising: Cyclone separation unit, described cyclone separation unit comprises: a body having an air inlet and an air outlet; a main cyclone located at the center of the body, which first separates impurities from the air drawn in through the air inlet; a plurality of secondary cyclone separators disposed circumferentially around the primary cyclone separator, the plurality of secondary cyclone separators secondarily separate impurities from the air discharged from the main cyclone separator, and make the impurities air removed therefrom is exhausted through exhaust holes of said secondary cyclone; and Diaphragms respectively installed in exhaust holes of the secondary cyclone separators, the membranes partitioning the exhaust holes while being circumferentially arranged around the primary cyclone separators. 18. A cyclone vacuum cleaner comprising: Cyclone separation unit, described cyclone separation unit comprises: a body having an air inlet and an air outlet; a main cyclone that first separates impurities from the air drawn in through the air inlet; a plurality of secondary cyclones that secondarily separate impurities from the air discharged from the primary cyclone and pass the air from which the impurities have been removed through the secondary cyclones the vent hole of the device is exhausted; and An air guide installed in the exhaust hole of each secondary cyclone, the air guide guides the air discharged through the exhaust hole of the secondary cyclone toward the air outlet. 19. The cyclonic cleaner of claim 18, further comprising: A guide plate that allows the air discharged through the discharge hole of the secondary cyclone to be smoothly discharged through the air outlet.

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