EP4111928A1 - Dust collecting device - Google Patents

Abstract

The present invention relates to a dust collection device (1) of a vacuum cleaner (2) with a dust collection chamber and a compression device (5) for compressing dust collected in the dust collection chamber. In order to extend an emptying interval, it is provided that the compression device (5) has a Compressor element (16) arranged in the dust collection chamber and variable in terms of its circumference, the compression device (5) being designed in such a way that dust collected in the dust collection chamber can be compressed by reducing the circumference of the compression element (16).

Description

The present invention relates to a dust collection device of a vacuum cleaner with a dust collection chamber and a compression device according to the preamble of claim 1. The invention also relates to a vacuum cleaner with a fan and a filter and such a dust collection device.

From the U.S. 10,064,528 B1 a generic dust collection device with a dust collection chamber and a compression device for compressing dust collected in the dust collection chamber is known. The compression takes place via a linearly adjustable compression element.

Also from EP 2 422 672 B1 also discloses a generic dust collection device having a dust collection chamber and a compression device for compressing dust collected in the dust collection chamber. The compression takes place via a rotatable compression element.

From the DE 101 13 789 A1 an arrangement for the disposal of dirt with a movable dirt vacuum cleaner is known, which has a blower and a dirt collecting container for receiving dirt that has been sucked up. Also provided is a stationary base station where the dirt will be disposed of. In order to compress the dirt transferred to the base station as much as possible, a discharge device is arranged on the bottom of a disposal container, which has a compactor screw, which compacts the dirt that has been picked up in a compression space.

From the DE 10 2010 030 898 A1 a dust collection system for a vacuum cleaner with a removable dust collection container is known, within which at least one compaction means for compacting the dust is arranged. A first compression means is designed as a roller system.

From the DE 10 2010 037 869 A1 is a suction and/or sweeping device with a Dust collection known, in which a device for compressing collected dust is arranged. The device has one or more bodies designed for rolling movement on the collected dust.

As a rule, vacuum cleaners, in particular modern vacuum robots, are equipped with a dust collection chamber in which the dirt that has been vacuumed up is collected. Especially with robot vacuums, the dust collection chamber fills up relatively quickly with dust particles, fluff, hair, etc., which is why a user has to empty the dust collection chamber regularly so that the robot vacuum can maintain its full suction power. The smaller the dust collection chamber is, the more often it has to be emptied.

In order to be able to lengthen an emptying interval, compressor devices can also be used, which, however, are comparatively complex and therefore expensive.

The present invention is therefore concerned with the problem of specifying an improved or at least an alternative embodiment for a dust collection device of the generic type, which is characterized in particular by a simple and inexpensive design and a longer emptying interval.

According to the invention, this problem is solved by the subject matter of independent claim 1 . Advantageous embodiments are the subject matter of the dependent claims.

The present invention is based on the general idea of equipping a compression device in a dust collection chamber of a dust collection device of a vacuum cleaner with a compression element with variable circumference, the compression element being contracted to compress the dust collected in the dust collection chamber and the dust located within the compression element being compressed into a dust cake . The dust collection chamber has an inlet for dust-laden air and an outlet and is not only designed to collect dust, but generally to collect dirt. The dust collection device according to the invention has the arranged in the dust collection chamber and variable in terms of its circumference compression element, wherein the compression device is designed in such a way that dust collected in the dust collection chamber can be compressed by reducing the circumference of the compression element. In an initial state, the compression element essentially encloses the dust collection chamber or rests against an inner lateral surface of the same, so that the dust that collects in the dust collection chamber is collected inside the compression element and is compressed by the compression element due to a reduction in circumference when the compression element contracts. The great advantage lies in particular in the fact that a force required for compression is only applied or absorbed by the compression element and there is no other loading of the dust collection device. In this way, a bagless vacuum cleaner can be created in particular, which has longer emptying intervals and a lower volume flow drop and thus a lower suction power loss over time, since after compression an almost unhindered air flow through the dust collection chamber can take place again. In addition, only a smaller dust cloud forms during an emptying process - if at all - since the compressed dust emits fewer fine dust particles. The dust collection device according to the invention also has an extremely simple and therefore inexpensive design.

The compression element expediently has a band-shaped tension member with a first end and a second end or is designed as such, the compression device having a drive device for adjusting the tension member, in particular for contracting it. The compression element thus makes it possible on the one hand to enable two-dimensional and therefore particularly effective compression and on the other hand to create a structurally extremely simple compression device which enables a longer interval for emptying the dust collection chamber. The dust collection device according to the invention has a dust collection chamber with a preferably round, in particular cylindrical, inner lateral surface, the compression device having the described strip-shaped tension member and the drive device, via which the strip-shaped tension member can be adjusted, in particular contracted, and thereby reduced in terms of its circumference. In the initial state, the band-shaped tension member preferably rests against the inner lateral surface or is arranged at a small distance from it, so that dust is collected inside it can. In order to compress the dust collected in the dust collection chamber, the band-shaped tension member can be adjusted in such a way that its circumference can be reduced and the dust collected within the compression element can thereby be compressed. The drive device can then be operated backwards, as a result of which the circumference of the compression element is increased again and an air flow with reduced flow resistance through the dust collection chamber can be made possible again.

The second end of the band-shaped tension member expediently overlaps the first end thereof at one point and can be adjusted by means of the drive device in order to compress the dust collected in the dust collection chamber in such a way that the overlap of the second end increases relative to the first end and a circumference of the tension member thereby decreases. This reduces an inner diameter of the compression element, as a result of which the dust arranged inside the tension member is compressed. Due to the reduction in the circumference of the tension member, the inner surface is reduced on all sides, which also means that the dust can be compacted evenly. If the band-shaped tension member is pulled together by the drive device, its diameter decreases, with the drive of the tension member or the pulling of the tension member by the drive device being able to take place in a positive or non-positive manner. In the case of a non-positive power transmission, a limit switch can be used in order to be able to detect a maximum and minimum position of the band-shaped tension member and to be able to avoid damage. As an alternative, it is of course also possible to detect the end position by monitoring the current in the drive device. In this case, for example, maximum currents and times can be defined as a function of the compression process in order to prevent damage to the dust collection device or to detect the end positions. Since a non-positive connection between the drive device and the band-shaped tension member yields anyway when a threshold value is exceeded, it is not necessary to measure the force applied. In the case of a positive connection, a force-torque sensor or, also here, a motor current monitor should also be used, which enables the drive unit to be switched off in the event of an overload (too much dust in the dust collection chamber or maximum compaction reached). By contracting the band-shaped tension member, the dust arranged therein can be compacted into two Directions in space take place, which is significantly more effective than, for example, merely one-dimensional rolling or pressing.

In an advantageous development of the invention, the drive device has a shaft. The second end of the belt-shaped tension member for compacting the dust collected in the dust collection chamber can be wound onto the shaft of the drive device, while the first end of the belt-shaped tension member is firmly connected, whereby the circumference of the tension member decreases during winding. In this case, the compression device does not function like a hose clamp, but winds up the band-shaped tension member to compress the dust. The first end of the band-shaped tension member is firmly connected in the area of the shaft of the drive device, for example to an inner lateral surface of the dust collection chamber. In this case, too, the band-shaped tension member preferably rests against the inner lateral surface of the dust collection chamber in the initial state or is arranged at a small distance from it, so that dust can be collected inside it. In order to compress the dust collected in the dust collection chamber, the second end of the belt-shaped tension member is wound onto the shaft by rotating the latter, whereby the dust arranged inside the belt-shaped tension member is compacted. By winding up the band-shaped tension member, the dust arranged therein can also be compacted in two spatial directions, which is significantly more effective than, for example, merely one-dimensional rolling or pressing.

In a further advantageous embodiment, the band-shaped tension member is impermeable to dust or has openings for fine dust particles. In the first case, all of the dust (coarse and fine dust) can be compressed. Fine dust can be bound in the coarse dust. If the band-shaped tension member has, for example, openings for fine dust to pass through, coarse dust can be compacted better. Due to the principle, fine dust cannot be compressed as much as coarse dust/dirt. Sand, for example, can hardly be compacted, while leaves or scraps of paper can be compressed to a much higher degree. In the case of a band-shaped tension member with openings, fine dust can get between the band-shaped tension member and the lateral surface of the dust collection chamber, as a result of which the coarse dirt can be more compacted.

The band-shaped tension member is expediently made of metal or plastic. A design made of metal enables a high power transmission and a comparatively thin-walled design, which leaves a lot of volume for collecting dust in the dust collection chamber. Of course, a design made of plastic, in particular elastic plastic, is also conceivable, as a result of which a particularly cost-effective and weight-optimized design is possible.

In the initial state, the band-shaped tension member is expediently in contact with an inner lateral surface of the dust collection chamber. The inner lateral surface can be designed to be round, in particular cylindrical. "Round" can be understood to mean, for example, circular or oval, with a circular embodiment in particular enabling simple and tight application of the band-shaped tension member to the inner lateral surface in the initial state. In theory, a square dust collection chamber is also possible.

The drive device can be operated manually and/or have an electric motor. A manual drive device can, for example, be a mechanical drive, as a result of which a cost-effective compression option can be created. With the electric motor, on the other hand, a particularly convenient and automated compaction of the dust is possible.

In a further advantageous embodiment of the dust-collecting device according to the invention, the drive device interacts via a pinion with a toothing arranged on the belt-shaped tension member. Such gearing can be openings, for example, in which case the pinion is connected to an electric motor via a gear, for example, in order to apply the force required to compress the dust. Purely theoretically, of course, the embodiment in the form of a hose clamp is also conceivable, so that in this case the drive device has a worm thread on its pinion, which interacts with corresponding recesses arranged on the band-shaped tension member. This results in a self-locking drive. Alternatively, it is of course also conceivable for the drive device to interact with the band-shaped tension member via an adhesive roller. Such a sticky roller offers the great advantage that a limit switch is not required, since the adhesive roller slips when a predefined force is exceeded, thereby preventing further contraction of the band-shaped tension member.

In a further advantageous embodiment of the dust collection device according to the invention, a device for adding binding agent is provided. This makes it possible to bind the dust, which means that it can be removed from the dust collection chamber and disposed of in a significantly more hygienic manner, for example as a compressed and bound dust cake. Such a binder can, for example, be sprayed on or applied as a liquid to the dust and/or the compressed dust cake. The great advantage lies in the fact that less fine dust gets into the environment during the emptying process and the compressed dust or dust cake can no longer expand.

According to one advantageous development, a detection device for detecting actual operating parameters and a control device connected to it so that it communicates are provided, the latter being designed in such a way that they activate the compressor device and thus compress the dust collected in the dust collection chamber as a function of a signal transmitted by the detection device Signal causes, and / or wherein the detection device is designed such that it indicates a required emptying as a function of a detected actual operating parameter. Actual operating parameters can be an operating time, an air flow rate, a fill level, etc., for example. The operating parameters can be detected by sensors on or in the dust collection device and/or in or on a suction duct upstream or downstream of the dust collection device. In the case of manual actuation, an output in the form of an optical, acoustic or haptic output can be arranged on an output element of the vacuum cleaner having the dust collection device.

The dust collection chamber can be opened from above and the dust cake arranged and compacted in it can be easily removed.

The present invention is also based on the general idea, in particular a bagless vacuum cleaner with a fan and a filter as well as an in to be equipped with the dust collection device described in the previous paragraphs, the dust collection chamber of which is located upstream of the filter. A vacuum cleaner equipped with such a dust collection device allows longer operational readiness without emptying the dust collection chamber and longer maintenance of a predefined suction power at a high level, since air flow through the dust collection chamber is less impeded after the dust collected in the dust collection chamber has been compressed. In addition, emptying the dust collection chamber is also more hygienic, since the compressed dust (cake) which, for example, has also been treated with a binding agent, distributes fewer fine particles in the air.

The vacuum cleaner is expediently designed as a self-propelled vacuum robot. Due to their comparatively small dust collection chambers, self-propelled vacuum robots in particular require frequent emptying and thus a high level of maintenance. The dust collection device according to the invention makes it possible for the vacuum cleaner, which is designed as a robotic vacuum cleaner, to be left unattended for a longer period of time. This results in significantly increased comfort.

In a further advantageous embodiment of the solution according to the invention, the strip-shaped tension member has an edge which, when the dust is compressed in the dust collection chamber, brushes against the filter when the tension member is contracted. The filter can also be designed in the manner of a fluff filter, for example, so that when the dust is compressed, the fluff filter is also wiped off and thereby cleaned. This represents a significant increase in comfort for a user, since the filter or the fluff filter is already cleaned by the band-shaped tension member and a user no longer has to loosen stubborn dirt by hand.

Further important features and advantages of the invention result from the dependent claims, from the drawings and from the associated description of the figures with reference to the drawings.

It goes without saying that the features mentioned above and those still to be explained below can be used not only in the combination specified in each case, but also in other combinations or on their own, without going beyond the scope of the leave the present invention.

Preferred exemplary embodiments of the invention are illustrated in the drawings and are explained in more detail in the following description, with the same reference symbols referring to identical or similar or functionally identical components.

Fig. 1

eine erfindungsgemäße Staubsammeleinrichtung in einer Ansicht von schräg unten,

Fig. 2

eine Darstellung wie in Fig. 1, jedoch aus einer anderen Ansicht und ohne Deckel und mit Blick auf eine Verdichtereinrichtung mit einem bandförmigen Zugglied im Ausgangszustand,

Fig. 3

eine Darstellung wie in Fig. 2, jedoch mit angezogenem bandförmigem Zugglied,

Fig. 4

eine Verdichtereinrichtung mit sich im Ausgangszustand befindlichen bandförmigen Zugglied,

Fig. 5

eine Darstellung wie in Fig. 4, jedoch mit zusammengezogenem bandförmigem Zugglied,

Fig. 6

eine Ansicht von unten auf eine Verdichtereinrichtung mit einem bandförmigen Zugglied im Ausgangszustand,

Fig. 7

eine Darstellung wie in Fig. 6, jedoch mit zusammengezogenem Zugglied und verdichtetem Staubkuchen,

Fig. 8

eine Darstellung wie in Fig. 6, jedoch mit verdichtetem Staubkuchen,

Fig. 9

eine weitere Ausführungsform der Verdichtereinrichtung mit sich in einem Ausgangszustand befindlichen bandförmigen Zugglied,

Fig. 10

eine Darstellung wie in Fig. 9, jedoch mit teilweise aufgewickeltem Zugglied,

Fig. 11

einen erfindungsgemäßen Staubsauger mit einer erfindungsgemäßen Staubsammeleinrichtung,

Fig. 12

einen erfindungsgemäßen Saugroboter mit einer erfindungsgemäßen Staubsammeleinrichtung.

Show, each schematically:

1

a dust collection device according to the invention in a view diagonally from below,

2

a representation as in 1 , but from a different view and without a cover and looking at a compressor device with a band-shaped tension member in the initial state,

3

a representation as in 2 , but with tightened band-shaped tension member,

4

a compression device with a band-shaped tension member in the initial state,

figure 5

a representation as in 4 , but with the band-shaped tension member contracted,

6

a view from below of a compression device with a band-shaped tension member in the initial state,

7

a representation as in 6 , but with contracted tension member and compacted dust cake,

8

a representation as in 6 , but with compressed dust cake,

9

a further embodiment of the compression device with a band-shaped tension member in an initial state,

10

a representation as in 9 , but with partially coiled tension member,

11

a vacuum cleaner according to the invention with a dust collection device according to the invention,

12

a robot vacuum according to the invention with a dust collection device according to the invention.

According to the Figures 1 and 2 has a dust collection device 1 according to the invention, for example in 11 illustrated vacuum cleaner 2 or in 12 illustrated self-propelled vacuum robot 3, a dust collection chamber 4 with a compression device 5 for compressing dust 6 collected in the dust collection chamber 4 (cf. in particular the Figures 6 to 10 ) on. In 1 the dust collection chamber 4 is closed by a cover 12. The compression device 5 has a compression element 16 with variable circumference in the dust collection chamber 4 , which is contracted to compress the dust 6 collected in the dust collection chamber 4 and the dust 6 located therein is compressed to form a dust cake 11 . In an initial state in which the dust 6 is not compacted (cf. 2 , 4 , 6 and 9 ) the compressor element 16 encloses the dust collection chamber 4 or is preferably in contact with an inner lateral surface 7 of the dust collection chamber 4 or is arranged at a small distance from it (cf. 4 and 9 ). The compressor device 5 is designed in such a way that the dust 6 that has accumulated in the dust collection chamber 4 is compressed into a dust cake 11 by reducing the circumference of the compression element 16 (cf. Figures 7 and 8 ). This offers the great advantage that a force required for compression is only absorbed by the compression element 16, for example a band-shaped tension member 8, and the dust collection device 1 is not loaded. In this way, a bagless vacuum cleaner 2 can be created in particular, which has longer emptying intervals and a lower volume flow drop over time and thus a lower suction power loss over time, since after compression an almost unhindered air flow through the dust collection chamber 4 can take place again. In addition, only one - if at all - is formed during an emptying process smaller dust cloud compared to emptying conventional dust collection chambers, since the compressed dust cake 11 emits fewer fine dust particles. The dust collection device 1 according to the invention is also extremely simple and therefore inexpensive.

The dust collection chamber 4 can have a round inner surface 7, while the compressor device 5 has a band-shaped tension member 8, which has a first end 18 and a second end 19 and corresponding to the embodiments of FIG Figures 2 to 8 overlapped at a point 9. The band-shaped tension member 8 is firmly connected to a drive device 10 or to the dust collection chamber 4 via the first end 18 . Also provided is the drive device 10 for tightening or loosening the band-shaped tension member 8. The drive device 10 can be an electric motor, for example. The band-shaped tension member 8 can be adjusted to compress the dust 6 collected in the dust collection chamber 4 in such a way that the overlap, i.e. an overlapping of the second end 19 over the first end 18 of the band-shaped tension member 8 in the circumferential direction, increases and a circumference or a Inner diameter of the band-shaped tension member 8 decreases, as for example in a transition from the 4 to the figure 5 or from the 6 to the 7 is shown.

Alternatively, the drive device 10 can also have a shaft 13 (cf Figures 9 and 10 ) and the belt-shaped tension member 8 can be wound up with its second end 19 by means of the drive device 10 onto the shaft 13 for compacting the dust 6 collected in the dust collection chamber 4, while the first end 18 of the belt-shaped tension member 8 is firmly connected, whereby a circumference of the tension member 8 decreases. The first end 18 of the band-shaped tension member 8 can be connected, for example, in the area of the drive device 10, for example on an inner lateral surface 7 of the dust collection chamber 4. In the initial state (cf. 9 ) the band-shaped tension member 8 preferably rests against the inner lateral surface 7 or is arranged at a small distance from it, so that dust 6 can be collected within the same. The inner lateral surface 7 is in 9 only partially drawn. In order to compact the dust 6, the second end 19 of the band-shaped tension member 8, which is connected to the shaft 13, is wound onto the shaft 13 by rotating it, thereby reducing its circumference and that arranged inside the tension member 8 Dust 6 is compressed into a dust cake 11 . By winding up the band-shaped tension member 8, the dust 6 is also compacted in two spatial directions, as a result of which effective compaction is possible.

The band-shaped tension member 8 can be made of metal or plastic, for example, and is therefore light on the one hand and strong on the other hand and for compressing the dust 6 collected in the dust collection chamber 4 to form a compressed dust cake 11 (cf. Figures 7 and 8 ) predestined. Such a compressed dust cake 11 can be picked up and disposed of in a significantly more hygienic manner and at the same time has a significantly smaller cross section, as a result of which the air flow in the dust collection chamber 4 or in the vacuum cleaner 3 is significantly less impeded and its suction power can be maintained over the longer term. The band-shaped tension member 8 can be impermeable to dust, as a result of which all the dust 6 (coarse and fine dust) is compressed. Fine dust can be bound in the coarse dust.

Alternatively, it is also conceivable that the band-shaped tension member 8 has openings 17 for fine dust particles. If the band-shaped tension member 8 has, for example, such openings 17 for the passage of fine dust, a better compaction of coarse dust is possible. Such openings 17 are in a limited area in 4 shown as an example, but can of course also be arranged on the entire tension member 8.

The tension member 8 is ring-shaped and is in a relaxed initial state, that is, with a larger inner diameter, as is the case, for example, in FIGS 4 and 9 is shown, at least partially on the inner lateral surface 7 or is arranged at a small distance from it. The drive device 10 can, for example, interact via a pinion with teeth arranged on the band-shaped tension member 8 or recesses arranged there, with alternatively interaction of the drive device 10 with the band-shaped tension member 8 via an adhesive roller is also conceivable. Such an adhesive roller offers the great advantage that, for example, limit switches are unnecessary, since such an adhesive roller forms a type of slip clutch and slips when excessive forces are exceeded, for example when a predefined degree of compaction is reached.

To a dust-free removal of the compacted dust cake 11 from the dust collection chamber 4, according to the 1 closed with a removable lid 12, a device for adding binders can be provided. The dust 6 or the dust cake 11 can be sprayed or treated with a binder, for example a liquid, via such a binder during or after compaction, which in particular reduces fine dust distribution when the compacted dust cake 11 is disposed of from the dust collection chamber 4 .

Furthermore, a detection device for detecting actual operating parameters and a control device connected to it in a communicative manner can be provided, which cause the compressor device 5 to be actuated and thus the dust 6 collected in the dust collection chamber 4 to be compressed as a function of a signal transmitted by the detection device, and/or or wherein the detection device indicates a required emptying as a function of a detected actual operating parameter. Actual operating parameters can be an operating time, a flow rate, a fill level, etc., for example. A degree of filling of the dust collection chamber 4 with dust 6 can also be detected via such a detection device. If the level of dust 6 in the dust collection chamber 4 exceeds a predefined limit value, the control device can actuate the drive device 10, whereupon this causes the band-shaped tension member 8 to contract (cf. Figures 3, 5 , 7 and 10 ) causes the dust 6 arranged therein to be compressed into a dust cake 11 (in 10 Not shown). In comparison to a one-dimensional pressing, the contraction of the band-shaped tension member 8 causes a two-dimensional pressing, as a result of which a significantly better interlocking of the dust particles and thus a significantly firmer dust cake 11 can be achieved.

A vacuum cleaner 2 , for example, can be equipped with the dust collection device 1 according to the invention, it being possible for the dust collection chamber 4 of the dust collection device 1 to be arranged upstream of a filter 14 . The filter 14 can be part of the dust collection device 1 or can be arranged in it. The tension member 8 itself can also have an edge 15 which, when the dust 6 is compressed to form a dust cake 11, by contraction of the Tension member 8 on the filter 14, such as a lint filter, roams along and thereby cleans it.

All in all, with the dust collection device 1 according to the invention and a vacuum cleaner 2 according to the invention equipped with such a dust collection device 1, a significantly longer emptying interval of the dust collection chamber 4 can be achieved, which means that the vacuum robot can work significantly longer independently, especially when using the dust collection device 1 according to the invention in a vacuum robot 3 3 is enabled. The compression device 5 equipped according to the invention also makes it possible to compress the dust 6 into a dust cake 11 in a constructionally less complex and cost-effective manner.

reference list

1

dust collection device

2

vacuum cleaner

3

vacuum robot

4

dust collection chamber

5

compression device

6

Dust

7

lateral surface

8th

tension member

9

place of overlap

10

drive device

11

dust cake

12

lid

13

Wave

14

filter

15

edge

16

compression element

17

Openings in the compressor element

18

first end of the ribbon-shaped tension member

19

second end of the band-shaped tension member

Claims (14)

Dust collection device (1) of a vacuum cleaner (2) with a dust collection chamber (4) and a compression device (5) for compressing dust (6) collected in the dust collection chamber (4), characterized in that the compression device (5) has a dust collection chamber ( 4) arranged and variable in terms of its circumference compressor element (16), wherein the compressor device (5) is designed such that by reducing the circumference of the compressor element (16) in the dust collection chamber (4) accumulated dust (6) can be compressed. Dust collection device according to Claim 1, characterized in that the compression element (16) is a belt-shaped tension member (8) with a first end (18) and a second end (19) and the compression device (5) has a drive device (10) for adjusting the belt-shaped Tension member (8). Dust collection device according to Claim 2, characterized in that the second end (19) of the band-shaped tension member (8) overlaps the first end (18) of the band-shaped tension member (8) at a point (9) and for compressing the dust in the dust collection chamber (4) collected dust (6) can be adjusted by means of the drive device (10) in such a way that the overlap increases and a circumference of the tension member (8) thereby decreases. Dust collection device according to Claim 2, characterized in that the drive device (10) has a shaft (13) and the belt-shaped tension member (8) for compressing the dust (6) collected in the dust collection chamber (4) has its second end (19) by means of the Drive device (10) on whose shaft (13) can be wound, while the first end (18) of the band-shaped tension member (8) is firmly attached, whereby a circumference of the tension member (8) decreases. Dust collection device according to one of Claims 2 to 4, characterized in that the drive device (10) can be operated manually and/or has an electric motor. Dust collection device according to one of Claims 2 to 5, characterized in that the strip-shaped tension member (8) rests against an inner lateral surface (7) of the dust collection chamber (4) in the initial state. Dust collection device according to Claim 6, characterized in that the inner lateral surface (7) is round, in particular cylindrical. Dust-collecting device according to one of claims 2 to 7, characterized in that the band-shaped tension member (8) is impermeable to dust or has openings (17) for fine dust particles. Dust collecting device according to one of Claims 2 to 8, characterized in that the drive device (10) interacts via a pinion with teeth arranged on the strip-shaped tension member (8) or via an adhesive roller with the strip-shaped tension member (8). Dust-collecting device according to one of the preceding claims, characterized in that a device for adding binding agent is provided, via which the dust (6) can be bound. Dust collection device according to one of the preceding claims, characterized in that a detection device for detecting actual operating parameters and a control device connected to it in a communicating manner are provided, the control device being designed in such a way that it activates the compressor device (5) and thus compresses the in the dust (6) collected in the dust collection chamber (4) as a function of a signal transmitted by the detection device, and/or that the detection device is designed in such a way that it indicates a required emptying as a function of a detected actual operating parameter. Vacuum cleaner (2) with a fan and a filter (14) and a dust collection device (1) according to any one of the preceding claims, wherein a Dust collection chamber (4) of the dust collection device (1) is arranged upstream of the filter (14). Vacuum cleaner according to Claim 12, characterized in that the vacuum cleaner (2) is designed as a self-propelled vacuum robot (3). Vacuum cleaner according to Claim 12 or 13, characterized in that the compression element (16) is a band-shaped tension member (8) which has an edge (15) which, when the dust (6) is compressed, is formed by shortening the circumference of the band-shaped tension member (8 ) brushes against the filter (14).

Images