WO2021115707A1

WO2021115707A1 - Suction device, in particular a vacuum cleaner

Info

Publication number: WO2021115707A1
Application number: PCT/EP2020/081710
Authority: WO
Inventors: Daniel Dennis; Florian Esenwein; Michael Sperl
Original assignee: Robert Bosch Gmbh
Priority date: 2019-12-11
Filing date: 2020-11-11
Publication date: 2021-06-17
Also published as: CN115087382A; CN115087382B; DE102019219312A1; EP4072389A1

Abstract

The invention relates to a suction device, in particular a vacuum cleaner, comprising at least one drive unit (12a; 12b; 12c; 12d) for generating a suction flow, comprising at least one housing unit (14a; 14b; 14c; 14d) forming at least one suction opening (16a; 16b; 16c; 16d), which is provided for suctioning, in particular contaminated, ambient air by means of the suction flow in at least one operating state of the drive unit (12a; 12b; 12c; 12d), and comprising at least one dust collection container (18a; 18b; 18c; 18d) arranged in the housing unit (14a; 14b; 14c; 14d) for receiving dirt separated from the suction flow. According to the invention, the housing unit (14a; 14b; 14c; 14d) also forms at least one dirt opening (20a; 20b; 20c; 20d) which is different from the suction opening (16a; 16b; 16c; 16d), and which is provided for filling the dust collection container (18a; 18b; 18c; 18d) in the at least one operating state.

Description

description

Suction device, in particular vacuum cleaner

State of the art

There are already suction devices, in particular vacuum cleaners, with at least one drive unit for generating a suction flow, with at least one housing unit which forms at least one suction opening which, in at least one operating state of the drive unit, is provided for drawing in, in particular contaminated, ambient air by means of the suction flow has been proposed, and with at least one dust collecting container arranged in the housing unit for receiving dirt separated from the intake flow.

Disclosure of the invention

The invention is based on a suction device, in particular a vacuum cleaner, with at least one drive unit for generating a suction current, with at least one housing unit which forms at least one suction opening which, in at least one operating state of the drive unit, is used to suck in, in particular dirty , Ambient air is provided by means of the suction flow, and with at least one arranged in the housing unit dust collecting container for receiving dirt separated from the suction flow.

It is proposed that the housing unit forms at least one dirt opening which is different from the intake opening and which, in the at least one operating state, is provided for filling the dust collector is. Preferably, the dirt opening different from the suction opening can be filled independently of the suction opening, wherein in particular the suction opening and the dirt opening can be used at the same time. Preferably, the suction opening and the dirt opening, in particular special by different people, can be used simultaneously for different purposes.

The inventive design of the suction device can in particular provide a suction device that can advantageously be used flexibly. The suction device can in particular be used by several people at the same time. In addition to the normal suction via the suction opening, an additional filling of the dust collector can be achieved in particular. When cleaning dust, for example after working with a power tool for woodworking in a workshop or at a customer, larger areas are often cleaned with a suction device, in particular with a vacuum cleaner, particularly preferably an industrial vacuum, fine units and angled corners have to be cleaned however, are often cleaned with a hand broom and a hand shovel, for example. The dirt opening in particular can be used to dispose of the waste on the hand shovel. Often, after the work is done, several people clean up at the same time, one person with the suction device and one with a shovel and a broom, for example, whereby the shovel can be emptied through the dirt opening.

In this context, a “suction device” is to be understood in particular as a device by means of which an air-dirt mixture is sucked off, in particular by means of a negative pressure, the dirt in particular being separated within the suction device, in particular filtered out via a filter unit . Preferably, polluted air is sucked in via the device, filtered and blown out again. The drive unit of the suction device is provided for generating a suction flow. In particular, the drive unit is provided for generating a vacuum required for suction. Various configurations of the drive unit that appear useful to a person skilled in the art are conceivable.

The drive unit can be designed as a turbine, for example. The housing unit is designed in particular to be mobile. In particular, the suction device has wheels which are arranged on the housing unit and which are provided for simple displacement of the housing unit. The housing unit is provided in particular to accommodate and / or protect essential components of the suction device, such as in particular the drive unit and / or the dust collector. Preferably, the housing unit can in particular consist of a plurality of housing parts. The Ge housing parts are in particular ge forms of separable housing shells. The housing unit preferably has at least one first housing part that receives the dust collector. The first housing part preferably forms the dust container. The first housing part is in particular formed in one piece with the dust collecting container. However, it would also be conceivable that a separate dust collection container is net angeord in the housing part. “In one piece” is to be understood in particular as materially bonded, such as by a welding process and / or adhesive process, etc., and particularly advantageously integrally formed, such as by production from a cast and / or by production in a single or multi-component injection molding process . The housing unit preferably has at least one second housing part receiving the drive unit. The second housing part is in particular provided for a releasable fastening on the first housing part. Furthermore, the suction opening is formed in particular by a hose connection. The suction opening is preferably formed in particular by a hose connection piece for coupling to a suction hose. In principle, it would also be conceivable that the suction opening is firmly connected to a suction hose. Furthermore, a “dust collecting container” in this context is to be understood in particular as a container which is provided for receiving a dirt separated from a suctioned air, in particular by a filter of a filter unit. Preferably, this should be understood to mean a container which is seen in a company to receive dust for subsequent removal from the suction device and preferably subsequent disposal. It can be picked up both directly and indirectly, for example via a bag placed in the dust collector. However, they are preferably picked up directly, in particular without a bag. Dust build-up is preferred Catch container at least partially, in particular via the housing unit, at least designed to be separable from the drive unit. In this way, easy emptying can preferably be made possible. The dust collector is preferably integrated into the housing unit. The fact that the dust collector is “integrated into the housing unit” should in particular be understood in this context to mean that the dust collector is at least partially enclosed in at least one state by the housing unit and / or is at least partially formed by the housing unit. The dust collector preferably forms at least part of an outer skin of the housing unit, in particular the suction device.

In this context, a “dirt opening” is to be understood in particular as an opening which is different from the suction opening and which is coupled to the dust collecting container in at least one operating state. The dust collector can preferably be filled in the at least one operating state via the dirt opening, with filling being able to take place directly, in particular by pouring dirt directly into the dust collector, as well as indirectly, in particular by sucking dirt from the dirt opening into the dust collector and / or in that dirt is conveyed into the dust collecting container via an intermediate collecting container, such as in particular a flap and / or a drawer. The dirt opening is preferably provided in particular for direct filling with dirt, in particular free of an additional suction hose. The dirt opening is preferably free of a connection piece for a suction hose. Preferably, the dirt opening is used in particular to enable an operator to empty waste and / or dust into the storage bin without using the suction opening. “Provided” is to be understood in particular as specifically designed and / or equipped. The fact that an object is provided for a specific function is to be understood in particular to mean that the object fulfills and / or executes this specific function in at least one application and / or operating state.

It is further proposed that the at least one dirt opening is at least partially coupled to the intake flow for drawing in, in particular contaminated, ambient air. Preferably at the dirt opening active suction at the dirt opening in at least one operating state. The dirt opening is preferably coupled to the intake flow in at least one operating state. In at least one operating state, the suction device is preferably provided to suck in dirt in the vicinity of the dirt opening by means of the suction flow. For example, it would be conceivable that the suction flow can be coupled to the dirt opening by an operator, for example by means of a switch, and / or that coupling takes place automatically, for example when the dirt opening is opened or closed. As a result, a suction device that can advantageously be used flexibly can in particular be provided. In addition to the normal suction via the suction opening, additional suction can be achieved in particular. The dirt opening in particular can be used to dispose of dirt, for example from a hand shovel. In particular, spillage can be reliably avoided. In particular, the shovel can be sucked empty.

In addition to active suction at the dirt opening, however, it would also be conceivable that the dirt can be brought into the dust collection container directly or via an intermediate receiving area free of active suction.

It is also proposed that a cross-sectional area of the dirt opening is significantly larger than a cross-sectional area of the suction opening. Preferably, a cross-sectional area of the dirt opening is in particular at least 2 times, preferably at least 3 times and particularly preferably at least 5 times larger than a cross-sectional area of the suction opening. The suction opening preferably has a cross-sectional area of a maximum of 80 cm ² , preferably a maximum of 65 cm ² and particularly preferably a maximum of 50 cm ² . The dirt opening preferably has a cross-sectional area of at least 100 cm ² , preferably of at least 130 cm ² and particularly preferably of at least 160 cm ² . The cross-sectional area of the dirt opening is in particular delimited di rectly by the housing unit. In particular, the cross-sectional area of the dirt opening is preferably at least approximately rectangular. The cross-sectional area of the suction opening is in particular bounded directly by the housing unit. The cross-sectional area of the suction opening is preferably at least approximately circular. In this way, in particular, an advantageously flexible adjustable suction device are provided. In addition to the normal suction via the suction opening, an additional suction, in particular of larger dirt, can be achieved in particular. When working with power tools, small residues of the workpiece can also accumulate in addition to dust. These can quickly become too big for the suction opening of the suction device or on the suction accessories and would have to be swept up with the hand broom and hand shovel. Corresponding residues can be sucked off into the dust collection container, in particular via the dirt opening.

It is further proposed that the suction device has at least one filter unit which is arranged along the suction flow behind the suction opening and behind the dirt opening in terms of flow and is provided to separate dirt from the suction flow. In terms of flow, the filter unit is preferably arranged in front of the drive unit and behind the dust collecting container. The filter unit preferably has at least one filter which is provided in an operation for filtering air that is sucked out. If a bag is provided in the dust collecting container, it would also be conceivable for the filter to be designed as a filter bag, which at the same time serves as a dust bag. In this context, a “filter unit” is to be understood as meaning, in particular, a unit which is provided in an operation for filtering extracted air. For this purpose, the filter unit preferably has a filter through which the air is sucked through. Various filters that appear useful to a person skilled in the art are conceivable. The filter is preferably designed as a lamella filter, in particular as a rectangular lamella filter. In this way, in particular, an advantageous suction device can be provided. In particular, it can be achieved that both a suction flow of the suction opening and the dirt opening are filtered.

It is further proposed that the suction device has at least one closing unit, which is provided for an optional opening and closing of the dirt opening. The dirt opening can preferably be made accessible and / or the dirt opening can be closed by means of the closing unit. The closing unit preferably has at least two operating positions, in particular an open position and a closed position Position. In a closed position, the closing unit preferably prevents dirt from getting through the dirt opening. In a closed state, the closing unit can preferably also be used to prevent dirt from escaping from the dust container to the outside. In this context, a “closing unit” is to be understood in particular as a unit which is provided for optionally closing the dirt opening. In a closed position, the unit is preferably provided to cover the dirt opening from the inside or outside and / or to materially fill the dirt opening. The opening of the closing unit can in particular take place either manually, partially automatically or automatically. The closing unit is preferably provided to be moved manually from a closed position to an open position. In particular, the closing unit is also intended to be manually moved from an open position to a closed position. However, it would also be conceivable for the locking unit to be opened and / or closed automatically. Various designs of the locking unit that appear sensible to a person skilled in the art are conceivable, for example it would be conceivable that the locking unit has at least one slide, at least one flap and / or at least one drawer. As a result, the dirt opening can particularly advantageously be closed. In particular, an unwanted leakage of dirt from the dirt opening can be avoided. Furthermore, a permanent loss of suction power at the dirt opening can also be avoided.

So that little dirt goes wrong when filling and to ensure that the dirt can be filled in more easily and to keep the installation space of the locking unit as small as possible, it would be conceivable for the locking unit to be designed to be foldable. For example, it would be conceivable that the flap and / or drawer of the locking unit folds open when it is opened, thereby enlarging the area and thereby changing its shape. In the case of a drawer, it would be conceivable, for example, for the drawer to be of telescopic design or to have the shape of a fan that is bent like a bowl. In the case of a flap, it would be conceivable, for example, that the flap is designed in the form of a funnel. It is further proposed that the suction device has at least one sensor unit for detecting a closed position of the at least one closing unit. The sensor unit preferably has at least one contact sensor which, in a closed position of the at least one closing unit, is contacted in particular by the closing unit. In this context, a “sensor unit” is to be understood in particular as a unit that has at least one sensor which is provided to record at least one parameter and / or a physical property, with the recording being active, such as in particular by generating and transmitting an electrical measurement signal and / or passively, such as in particular by detecting changes in properties of a sensor component. Various sensor units that appear sensible to a person skilled in the art are conceivable. As a result, a position of the clamping unit in particular can be monitored. In particular, it can be detected when the locking unit is opened by an operator. In this way, in particular, a needs-based suction can be provided at the dirt opening.

Furthermore, it is proposed that the suction device has at least one actuator which is provided to couple the at least one dirt opening and / or the at least one suction opening with the suction flow or from this depending on a closed position of the at least one closing unit decouple. A separate suction channel is preferably provided between the dirt opening and the dust collecting container, the actuator being provided in particular for opening and / or closing the suction channel and / or the suction opening. The actuator can be designed mechanically, mechatronically or electrically. It would be conceivable that the actuator is mechanically coupled to the closing unit and is automatically actuated as a function of a closed position. The actuator is in particular formed by a normally open contact or changeover switch. The actuator is in particular formed by a mechatronic component which is provided to convert electrical signals into a movement, in particular into a rotary, pivoting and / or linear movement. The actuator is preferably formed by a valve. In a closed state of the closing unit, the actuator is preferably provided to close the suction channel. Alternatively or additionally, however, it would also be conceivable that the actuator is provided for this purpose is to keep the suction channel open at least temporarily after the closing unit has been closed or to open it. As a result, in particular a suction flow at the dirt opening can be influenced. In particular, it can be detected when the clamping unit is opened by an operator. As a result, in particular, a needs-based suction can be provided at the dirt opening. Furthermore, it can be avoided in particular that when the closing unit is opened, the drop in pressure causes dirt to escape from the dust collecting container via the dirt opening.

It is further proposed that the suction device has at least one control and / or regulating unit which, in at least one operating state, in particular when an operator actuates an operating element, is provided to automatically open the closing unit and to open the at least one dirt opening to couple the intake flow. The suction device preferably has at least one operating unit with the at least one operating element. The control unit is used in particular to control the suction device. The control and / or regulating unit can preferably also be provided for controlling the actuator. The control and / or regulating unit is in particular provided to automatically open the closing unit in at least one operating state, in particular when an operator actuates an operating element, and to couple the at least one dirt opening to the intake flow via the actuator. The locking unit can in particular open in a partially automated manner. For example, it is conceivable that the operator actuates the control element, such as a foot switch with his foot, and thereby opens the locking unit by means of an actuator and either closes it again after a defined time or as soon as the control element is let go. It would also be conceivable that the operator, for example, performs a kicking movement with his foot to open the locking unit, as is known, for example, in cars for automatic trunk opening. A “control and / or regulating unit” should be understood to mean, in particular, a unit with at least one control electronics. “Control electronics” should be understood to mean, in particular, a unit with a processor unit and with a memory unit and with an operating program stored in the memory unit. An "operating unit" is to be understood here in particular as a unit that contains at least one component, in particular an operating element ment, which can be actuated directly by an operator and which is provided to influence and / or change a process and / or a state of a unit coupled to the operating unit by actuation and / or by inputting parameters. An “operating element” is to be understood in particular as an element of the operating unit that is intended to receive an input variable from an operator during an operating process and, in particular, to be contacted directly by an operator the operating force exerted actuation force is sensed and / or mechanically forwarded to actuate a unit. As a result, it can be achieved in particular that the clamping unit does not have to be opened manually by an operator. In particular, an advantageously high level of operating convenience can be provided.

Alternatively or additionally, it would also be conceivable that the locking unit opens fully automatically. In particular, it would be conceivable that as soon as the suction device detects an approach to the closing unit by means of a sensor unit, the closing unit is automatically opened and the closing unit is closed again either after a defined time or as soon as a distance from the closing unit is noticed. The closing unit can be opened either by an electrical actuator or by the negative pressure generated by the drive unit. It would be conceivable, for example, that the negative pressure attracts a piston, in particular a spring-loaded piston, which opens and closes the closing unit. To close, the direction of the negative pressure has to be switched over in the same way as the filter cleaning, so that the closing unit is attracted by the negative pressure and thus opens inwards.

It is further proposed that the at least one closing unit has at least one slide guided on the housing unit for optional opening and closing of the dirt opening. The slide is preferably guided directly on the housing unit. The housing unit preferably has, in particular, at least one guide rail in which the slide is guided. The slide is preferably provided in a closed position of the closing unit to cover the dirt opening from the inside and / or outside. The slide is in particular on a side wall of the housing unit arranged. In this way, in particular, a particularly advantageous closing unit can be provided.

It is further proposed that the at least one closing unit has at least one flap pivotably mounted on the housing unit for optional opening and closing of the dirt opening. The flap is preferably mounted pivotably on the housing unit via a swivel joint. In a closed position of the closing unit, the flap is preferably provided to cover the dirt opening from the outside. The flap is arranged in particular on a side wall or on an upper side of the housing unit.

In particular, it would be conceivable that an intermediate collecting container is also arranged on the flap, in which the dirt is collected before it is sucked into the dust collecting container with the suction flow. The intermediate collecting container can in particular be arranged in a fixed manner on an inside of the flap. In particular, the intermediate collecting container with the flap can be at least partially folded out of the housing unit. As a result, a particularly advantageous locking unit can be provided in particular.

It is further proposed that the at least one closing unit has at least one drawer guided in the housing unit for optional opening and closing of the dirt opening. The drawer preferably has at least one drawer front and in particular delimits a receiving area. The drawer has the receiving area. In particular, the drawer is preferably guided on the housing via at least one pull-out rail. The drawer front of the drawer is preferably provided in a closed position of the closing unit to fill the dirt opening and / or to cover the dirt opening from the outside. The drawer is guided in particular in a side wall of the housing unit. The receiving area bounded by the drawer is provided in particular to temporarily absorb dirt before it is sucked in with the suction flow in the stowage collecting container. An operator can preferably pour dirt directly into the receiving area delimited by the drawer. On the receiving area of the drawer is in particular on the drawer at least can be partially pulled out of the housing unit. In this way, in particular, a particularly advantageous locking unit can be provided.

It is further proposed that the suction device has at least one actuator which is provided to couple the suction flow to a receiving area of the drawer in a closed state of the closing unit. A separate suction channel is preferably provided between the receiving area of the drawer and the dust collecting container, the actuator being provided in particular for opening and / or closing the suction channel. The actuator is preferably formed by a valve, in particular an electrically controlled valve. The actuator is preferably provided to keep the suction channel open or to open it at least temporarily after the closing unit has been closed. As a result, the receiving area of the drawer can in particular be subsequently sucked out. In this way, in particular, a needs-based suction can be provided at the dirt opening. Furthermore, it can be avoided in particular that when the closing unit is opened, the drop in pressure causes dirt to escape from the dust collecting container via the dirt opening. In particular, a loss of suction power at the suction opening when the drawer is being filled can be avoided.

The suction device according to the invention should not be limited to the application and embodiment described above. In particular, the suction device according to the invention can have a number of individual elements, components and units that differs from a number of individual elements, components and units mentioned herein in order to fulfill a mode of operation described herein. In addition, in the case of the value ranges specified in this disclosure, values lying within the stated limits should also be deemed disclosed and can be used as desired.

drawing

Further advantages emerge from the following description of the drawings. Four exemplary embodiments of the invention are shown in the drawing. The drawing, the description and the claims contain numerous features in Combination. The person skilled in the art will expediently consider the features individually and combine them into useful further combinations.

Show it:

Fig. 1 shows a suction device according to the invention with a hous seeinheit, which forms a suction opening, and with a closing unit in a closed position in a schematic representation,

Fig. 2 the suction device according to the invention with the housing unit, which forms the suction opening, and with the closing unit in an open position in a schematic presen- tation,

Fig. 3 the suction device according to the invention with the housing unit, which forms the suction opening, and with the closing unit in a closed position in a schematic sectional view,

4 shows an alternative suction device according to the invention with a housing unit which forms a suction opening and with a closing unit in a closed position in a schematic representation,

Fig. 5 shows the alternative suction device according to the invention with the Ge housing unit, which forms the suction opening, and with the closing unit during an opening process in a cal matic representation,

Fig. 6 the alternative suction device according to the invention with the Ge housing unit, which forms the suction opening, and with the closing unit in an open position in a schematic representation,

7 shows a schematic representation of the arrangement of the components of the alternative suction device according to the invention along a suction flow,

8 shows a further alternative suction device according to the invention with a housing unit which forms a suction opening, and with a locking unit in a closed position in a schematic representation,

9 shows the further alternative suction device according to the invention with the housing unit which forms the suction opening and with the closing unit in an open position in a schematic representation,

10 shows a schematic representation of the arrangement of the components of the further alternative suction device according to the invention along a suction flow,

11 shows a further alternative suction device according to the invention with a housing unit which forms a suction opening and with a closing unit in a closed position in a schematic representation,

Fig. 12 the further alternative suction device according to the invention with the housing unit which forms the suction opening, and with the closing unit in an open position in a schematic representation and tables

13 shows the further alternative suction device according to the invention with the housing unit which forms the suction opening and with the closing unit in a closed position in a schematic sectional view.

Description of the exemplary embodiments

Figure 1 shows a suction device 10a. The suction device 10a is formed by a vacuum cleaner. The suction device 10a is formed by an industrial vacuum cleaner. The suction device 10a has a drive unit 12a. The drive unit 12a is designed as a turbine. The drive unit 12a is provided for generating a negative pressure required for suction. The drive unit 12a is provided for generating an intake flow

Furthermore, the suction device 10a has a housing unit 14a. The housing unit 14a is designed to be mobile. For this purpose, the suction device 10a has rollers 42a which are arranged on the housing unit 14a and which, for a simple Moving the housing unit 14a are provided. The suction device 10a has, for example, four rollers 42a. The housing unit 14a is intended to receive and protect essential components of the suction device 10a. The housing unit 14a accommodates at least the drive unit 12a. The housing unit 14a consists of several housing parts 44a, 46a. The housing parts 44a, 46a are formed by housing shells which can be separated from one another. The housing unit 14a has a first housing part 44a and a second housing part 46a. The rollers 42a are arranged on the first housing part 44a. The suction device 10a has a dust collecting container 18a arranged in the housing unit 14a for receiving dirt separated from the suction flow. The dust collecting container 18a is received in the first housing part 44a. The dust collecting container 18a is at least partially formed in one piece with the first housing part 44a. The first housing part 44a forms the dust collecting container 18a. The first housing part 44a has a cylindrical shape. The first housing part 44a is open on one side, in particular an upper side. The opening of the first housing part 44a serves to empty the dust container 18a. The second housing part 46a forms a cover of the first housing part 44a. The second housing part 46a is provided during operation for closing the opening of the first housing part 44a. The housing unit 14a has a plurality of coupling elements 48a for a releasable coupling of the second housing part 46a to the first housing part 44a. The coupling elements 48a are arranged on the second housing part 46a. The coupling elements 48a are formed by snap locks. The second housing part 46a can be detachably connected to the first housing part 44a via the coupling elements 48a. The second housing part 46a is provided for receiving the drive unit 12a. The drive unit 12a is received in the second housing part 46a.

The housing unit 14a also forms a suction opening 16a. The intake opening 16a is arranged on the first housing part 44a. The suction opening 16a opens in particular into the dust collecting container 18a. The suction opening 16a is formed by a hose connection. The suction opening 16a is formed by a cylindrical hose connection. The suction opening 16a is formed by a hose connection piece for coupling to a suction hose 50a. The suction opening 16a is in at least one operating state Drive unit 12a is provided for drawing in, in particular contaminated, ambient air by means of the suction flow. In a suction mode of the drive unit 12a, the suction opening 16a is provided for drawing in, in particular contaminated, ambient air by means of the suction flow. In particular, the suction opening 16a can be variably coupled to various suction hoses 50a and suction attachments.

Furthermore, the housing unit 14a forms a dirt opening 20a different from the suction opening 16a. The dirt opening 20a is formed in the second housing part 46a. The dirt opening 20a is arranged in a region of the opening of the first housing part 44a. The dirt opening 20a is arranged on an upper side of the second housing part 46a. In an open state, the dirt opening 20a connects an environment via the dirt opening 20a with the dust collecting container 18a. The dirt opening 20a extends parallel to the opening of the first housing part 44a. A cross-sectional area of the dirt opening 20a is significantly larger than a cross-sectional area of the suction opening 16a. The cross-sectional area of the dirt opening 20a is at least twice, preferably 3 times and particularly preferably at least 5 times as large as the cross-sectional area of the suction opening 16a. In the at least one operating state, the dirt opening 20a is provided for filling the dust collecting container 18a. The dirt opening 20a is provided in the suction mode for filling the dust collecting container 18a. The dirt opening 20a, which is different from the suction opening 16a, can be filled independently of the suction opening 16a, wherein the suction opening 16a and the dirt opening 20a can be used simultaneously. The dirt opening 20a is at least partially coupled to the intake flow to suck in, in particular dirty, ambient air. The dirt opening 20a is gekop pelt in at least one operating state with the intake flow.

Furthermore, the housing unit 14a has a funnel element 52a. The funnel element 52a adjoins the dirt opening 20a on an inner side and tapers into the dust collecting container 18a. The funnel element 52a prevents dirt from escaping from the dirt opening 20a through the suction flow, in particular when the dirt opening 20a is opened. It is further proposed that the suction device 10a has at least one closing unit 24a, which is provided for optionally opening and closing the dirt opening 20a. The dirt opening 20a can be made accessible or the dirt opening 20a can be closed by means of the closing unit 24a. The closing unit 24a has two operating positions, namely an open position and a closed position. The closed position is shown in FIGS. The open position is shown in FIG. In a closed position, the closing unit 24a prevents dirt from getting through the dirt opening 20a and prevents a loss of suction through the dirt opening 20a. In a closed state, the closing unit 24a can prevent dirt from escaping from the dust collecting container 18a. The closing unit 24a has a flap 36a, which is pivotably mounted on the housing unit 14a, for optionally opening and closing the dirt opening 20a. The flap 36a of the closing unit 24a is pivotably mounted on the second housing part 46a. In a closed position, the flap 36a is provided to cover the dirt opening 20a directly from the outside. The flap 36a of the closing unit 24a is provided to be brought manually by an operator from a closed position to an open position. For this purpose, the flap 36a of the closing unit 24a has a handle, which is not further visible. The flap 36a of the closing unit 24a is also provided to be brought manually from an open position to a closed position. During operation, the flap 36a is opened temporarily, in particular by an operator, in order to dispose of dirt via the dirt opening 20a during the suction operation, for example by means of a hand shovel 58a. The flap 36a can then be closed again.

Furthermore, the suction device 10a has a control and / or regulating unit 30a. The control and / or regulating unit 30a is provided for controlling and / or regulating the drive unit 12a. Furthermore, the suction device 10a has a sensor unit 26a for detecting a closed position of the closing unit 24a. The sensor unit 26a is coupled to the control and / or regulating unit 30a. The sensor unit 26a has a contact sensor, which in a closed position of the closing unit 24a of the flap 36a of the Closing unit 24a is contacted. A suction power of the drive unit 12a can be adjusted via the sensor unit 26a, for example by means of the control and / or regulating unit 30a. It would be conceivable, for example, that the control and / or regulating unit 30a temporarily increases a suction power of the drive unit 12a when the closing unit 24a is opened.

The suction device 10a has an operating unit 54a. The operating unit 54a has at least one operating element 32a.

Furthermore, the suction device 10a has an actuator 28a. The actuator 28a is provided to couple the at least one dirt opening 20a to the suction flow or to decouple it from it, depending on a closed position of the closing unit 24a. The actuator 28a is provided, depending on a closed position of the closing unit 24a, to couple the at least one intake opening 16a to the intake flow or to decouple it therefrom. The actuator 28a is provided for opening and / or closing the suction opening 16a. The actuator 28a is arranged on an inside of the suction port 16a. The actuator 28a is formed by a closer. The actuator 28a is formed by a valve, in particular an electrically controlled valve. The actuator 28a is provided in an open state of the closing unit 24a to close the suction port 16a. The actuator 28a is provided to open the suction opening 16a in a closed state of the closing unit 24a and to couple it with the suction flow. The actuator 28a is provided in particular for an automatic closing of the suction opening 16a and an exclusive suction via the dirt opening 20a. However, it would also be conceivable that the actuator 28a only partially closes the suction opening 16a, so that suction via the dirt opening 20a reduces the suction power at the suction opening 16a. The actuator 28a is automatically activated by means of the control and / or regulating unit 30a. If an opening of the closing unit 24a is detected by means of the sensor unit 26a, the actuator 28a is closed. However, it would also be conceivable that the actuator 28a is formed by a mechanical closer and is only mechanically coupled to the closing unit 24a, with opening of the closing unit 24a closing the suction opening 16a by means of the actuator 28b. Alternatively, it would also be conceivable that the actuator 28a by means of a button is pressed. However, it would also be conceivable that the actuator 28a is dispensed with.

In addition, the suction device 10a has a filter unit 22a. The filter unit 22a is arranged along the intake flow behind the intake opening 16a and behind the dirt opening 20a in terms of flow and is provided to separate dirt from the intake flow. The filter unit 22a can also be arranged in front of or behind the drive unit 12a in terms of flow. The filter unit 22a is arranged, for example, in terms of flow technology in front of the drive unit 12a and behind the dust collecting container 18a. However, it would also be conceivable that the drive unit 12a is also arranged in front of the filter unit 22a and dirt is drawn unfiltered through the drive unit 12a. The filter unit 22a has a filter which is provided in an operation for filtering extracted air. The filter is formed by a lamellar filter. The filter unit 22a is arranged in the second housing part 46a.

In FIGS. 4 to 11, three further exemplary embodiments of the invention are shown. The following descriptions are essentially limited to the differences between the exemplary embodiments, reference being made to the description of the other exemplary embodiments, in particular FIGS. 1 to 3, with regard to components, features and functions that remain the same. To distinguish the exemplary embodiments, the letter a in the reference symbols of the exemplary embodiment in FIGS. 1 to 3 is replaced by the letters b, c and d in the reference symbols in the exemplary embodiments in FIGS. 4 to 11. With regard to components with the same designation, in particular with regard to components with the same reference numerals, reference can in principle also be made to the drawings and / or the description of the other exemplary embodiments, in particular FIGS. 1 to 3.

Figure 4 shows a suction device 10b. The suction device 10b is formed by a vacuum cleaner. The suction device 10b has a housing unit 14b. The housing unit 14b consists of several housing parts 44b, 46b. The housing parts 44b, 46b are formed by housing shells which can be separated from one another. The housing unit 14b has a first housing part 44b and a second housing part 46b. The housing unit 14b also forms a suction opening 16b. The intake opening 16b is arranged on the first housing part 44b.

Furthermore, the housing unit 14b forms a dirt opening 20b that differs from the suction opening 16b. The dirt opening 20b is formed in the first housing part 44b. The dirt opening 20b is arranged in one side of the first housing part 44b. The dirt opening 20b is formed by a rectangular recess in one side of the first housing part 44b. In an open state, the dirt opening 20b connects an environment via the dirt opening 20b to a dust collecting container 18b. A cross-sectional area of the dirt opening 20b is much larger than a cross-sectional area of the suction opening 16b. The cross-sectional area of the dirt opening 20b is at least twice, preferably 3 times, larger than the cross-sectional area of the suction opening 16b. The dirt opening 20b is provided in the at least one operating state for filling the dust container 18b. The dirt opening 20b is provided in the suction mode for filling the dust collecting container 18b. The dirt opening 20b, which differs from the suction opening 16b, can be filled independently of the suction opening 16b, wherein the suction opening 16b and the dirt opening 20b can be used at the same time. The dirt opening 20b is at least partially coupled to the intake flow for drawing in, in particular contaminated, ambient air. The dirt opening 20b is coupled to the intake flow in at least one operating state.

It is further proposed that the suction device 10b has at least one closing unit 24b, which is provided for an optional opening and closing of the dirt opening 20b. The dirt opening 20b can be made accessible or the dirt opening 20b can be closed by means of the closing unit 24b. The closing unit 24b has two operating positions, namely an open position and a closed position. The closed position is shown in FIG. The open position is shown in FIG. 6. In a closed position, the closing unit 24b prevents dirt from getting through the dirt opening 20b and prevents a loss of suction power through the dirt opening 20b. By means of the closing unit 24b can in a closed state, dirt can be prevented from escaping from the dust collecting container 18b to the outside.

The closing unit 24b has a slide 34b guided on the housing unit 14b for the optional opening and closing of the dirt opening 20b. The slide 34b of the closing unit 24b is guided directly on the housing unit 14b. The housing unit 14b has a not further visible guide rail in which the slide 34b is guided. The slide 34b of the closing unit 24b is arranged on a side wall of the first housing part 44b and is horizontally displaceable. The slide 34b of the closing unit 24b is provided in a closed position to cover the dirt opening 20b directly from the inside. The slide 34b of the closing unit 24b is seen to be brought from a closed position into an open position in a partially automated manner by an operator. For this purpose, the closing unit 24b has an actuator which is not further visible and which is provided for electrically opening and closing the slide 34b.

The suction device 10b has an operating unit 54b. The operating unit 54b has at least one operating element 32b. The operating element 32b is provided for opening the closing unit 24b. The operating element 32b is formed by a push button for example. For example, it is conceivable that the operator actuates the operating element 32b and the slide 34b of the locking unit 24b thereby opens by means of the not further visible actuator of the locking unit 24b and either closes again after a defined time or as soon as the operating element 32b is released. During operation, the slide 34b is opened temporarily in particular by an operator in order to dispose of dirt via the dirt opening 20b during the suction operation, for example by means of a hand shovel 58b. The slide 34b can then be closed again.

Furthermore, the suction device 10b has a control and / or regulating unit 30b. The control and / or regulating unit 30b is provided for controlling and / or regulating the drive unit 12b. Furthermore, the suction device 10b has a sensor unit 26b for detecting a closed position of the closing unit 24b. The sensor unit 26b is connected to the control and / or remote control gel unit 30b coupled. The sensor unit 26b has a contact sensor which, in a closed position of the closing unit 24b, is contacted by the flap 36b of the closing unit 24b. A suction power of the drive unit 12b can, for example, be adjusted via the sensor unit 26b by means of the control and / or regulating unit 30b. It would be conceivable, for example, that the control and / or regulating unit 30b temporarily increases a suction power of the drive unit 12b when the closing unit 24b is opened. Furthermore, the control and / or regulating unit 30b is provided in at least one operating state to automatically open the closing unit 24b and to couple the dirt opening 20b to the suction flow. When the operating element 32b is actuated by an operator, the control and / or regulating unit 30b is provided to automatically open the closing unit 24b and to couple the dirt opening 20b to the suction flow. By opening the closing unit 24b, dirt is sucked off at the dirt opening 20b by means of the suction flow into the dust collecting container 18b.

The suction device 10b has an actuator 28b. The actuator 28b is provided to couple or decouple the at least one dirt opening 20b and / or the suction opening 16b with the suction flow depending on a closed position of the closing unit 24b and depending on an actuation of the operating element 32b. The actuator 28b is to switch between the dirt opening 20b and the suction opening 16b to see easily. The actuator 28b is formed by a changeover switch. The actuator 28b is formed by a valve, in particular by an electrically controlled 3/2-way valve. In an open state of the closing unit 24b, the actuator 28b is provided to couple the suction flow to the dirt opening 20b instead of the suction opening 16b. The actuator 28b is provided to see, in a closed state of the closing unit 24b, the suction flow to the suction opening 16b instead of the dirt opening 20b. The actuator 28b is provided in particular for automatic switching between the suction opening 16b and the dirt opening 20b. When the operating element 32b is actuated, the suction flow is coupled to the dirt opening 20b instead of the suction opening 16b. However, it would also be conceivable that the actuator 28b only partially deflects the suction flow, so that suction via the dirt opening 20b increases the suction power at the suction opening 16b merely reduced. The actuator 28b is automatically controlled by means of the control and / or regulating unit 30b when the actuating element 32a is actuated. However, it would also be conceivable that the actuator 28b is formed by a mechanical switch which switches the intake flow mechanically when the closing unit 24b is opened (FIG. 7).

Figure 8 shows a suction device 10c. The suction device 10c is formed by a vacuum cleaner. The suction device 10c has a housing unit 14c. The housing unit 14c consists of several housing parts 44c, 46c. The housing parts 44c, 46c are gebil det of separable housing shells. The housing unit 14c has a first housing part 44c and a second housing part 46c.

The housing unit 14c also forms a suction opening 16c. The intake opening 16c is arranged on the first housing part 44c.

Furthermore, the housing unit 14c forms a dirt opening 20c that differs from the suction opening 16c. The dirt opening 20c is formed in the first housing part 44c. The dirt opening 20c is arranged in one side of the first housing part 44c. The dirt opening 20c is formed by a rectangular recess in one side of the first housing part 44c. In an open state, the dirt opening 20c connects an environment via the dirt opening 20c to the dust collecting container 18c. A cross-sectional area of the dirt opening 20c is much larger than a cross-sectional area of the suction opening 16c. The cross-sectional area of the dirt opening 20c is at least 2 times, preferably 3 times, larger than the cross-sectional area of the suction opening 16c. The dirt opening 20c is provided in the at least one operating state for filling the dust collecting container 18c. The dirt opening 20c is provided in the suction mode to fill the dust collecting container 18c. The dirt opening 20c, which differs from the suction opening 16c, can be filled independently of the suction opening 16c, wherein the suction opening 16c and the dirt opening 20c can be used at the same time. The dirt opening 20c is at least partially to suck in, in particular dirty, ambient air coupled with the intake flow. The dirt opening 20c is coupled to the intake flow in at least one operating state.

It is further proposed that the suction device 10c has at least one closing unit 24c, which is provided for optionally opening and closing the dirt opening 20c. The dirt opening 20c can be made accessible or the dirt opening 20c can be closed by means of the closing unit 24c. The closing unit 24c has two operating positions, namely an open position and a closed position. The closed position is shown in FIG. The open position is shown in FIG. 9. In a closed position, the closing unit 24c prevents dirt from getting through the dirt opening 20c and prevents a loss of suction power through the dirt opening 20c. In a closed state, the closing unit 24c can prevent dirt from escaping from the dust collecting container 18c.

The closing unit 24c has a flap 36c pivotably mounted on the housing unit 14c for optional opening and closing of the dirt opening 20a. The flap 36c of the closing unit 24c is pivotably mounted directly on the housing unit 14c. The flap 36c of the closing unit 24c is arranged on a side wall of the second housing part 46c and can be pivoted out. The flap 36c of the closing unit 24c is provided in a closed position to cover the dirt opening 20c directly from the outside and to fill it. The flap 36c of the closing unit 24c is provided to be manually brought from a closed position to an open position by an operator. To this end, the flap 36c is folded out of the second housing part 46c. The flap 36c of the closing unit 24c is also closed manually. However, it would also be conceivable for the flap 36c to close at least partially automatically. During operation, the flap 36c is opened temporarily, in particular by an operator, in order to dispose of dirt via the dirt opening 20c during the suction operation, for example by means of a hand shovel 58c. The flap 36c can then be closed again. Furthermore, the suction device 10c has a control and / or regulating unit 30c. The control and / or regulating unit 30c is provided for controlling and / or regulating the drive unit 12c. Furthermore, the suction device 10c has a sensor unit 26c for detecting a closed position of the closing unit 24c. The sensor unit 26c is coupled to the control and / or regulating unit 30c. The sensor unit 26c has a contact sensor which, in a closed position of the closing unit 24c, is contacted by the flap 36c of the closing unit 24c. A suction power of the drive unit 12c can be adjusted via the sensor unit 26c, for example by means of the control and / or regulating unit 30c. It would be conceivable, for example, that the control and / or regulating unit 30c temporarily increases a suction power of the drive unit 12c when the closing unit 24c is opened.

Furthermore, the suction device 10c has an actuator 28c. The actuator 28c is provided to couple the at least one dirt opening 20c to the suction flow or to decouple it from it, depending on a closed position of the closing unit 24c. The actuator 28c is provided for opening and / or closing the suction opening 16c. The actuator 28c is formed by a closer. The actuator 28c is formed by a valve, in particular an electrically controlled valve. The actuator 28c is provided in an open state of the closing unit 24c to close the intake opening 16c. The actuator 28c is provided to open the suction opening 16c in a closed state of the closing unit 24c and to couple it with the suction flow. The actuator 28c is provided in particular for an automatic closing of the suction opening 16c and an eventual suction through the dirt opening 20c. However, it would also be conceivable that the actuator 28c only partially closes the suction opening 16c, so that suction via the dirt opening 20c reduces the suction power at the suction opening 16c. The actuator 28c is automatically activated by means of the control and / or regulating unit 30c. If an opening of the closing unit 24c is detected by means of the sensor unit 26c, the actuator 28c is closed. However, it would also be conceivable that the actuator 28c is formed by a mechanical closer and is only mechanically coupled to the closing unit 24c, with an opening of the closing unit 24c The suction opening 16c is closed by means of the actuator 28b (FIG

10).

In particular, it would be conceivable that an intermediate collection container is also arranged on the flap 36c, in which the dirt is collected before it is sucked into the dust collection container 18c with the suction flow. The intermediate collecting container can in particular be arranged in a fixed manner on an inside of the flap 36c. In particular, the intermediate collecting container with the flap 36c can at least partially be folded out of the housing unit 14c.

Figure 11 shows a suction device lOd. The suction device lOd is formed by a vacuum cleaner. The suction device 10d has a housing unit 14d. The housing unit 14d consists of several housing parts 44d, 46d. The housing parts 44d, 46d are formed by separable housing shells. The housing unit 14d has a first housing part 44d and a second housing part 46d.

The housing unit 14d also forms a suction opening 16d. The intake opening 16d is arranged on the first housing part 44d.

Furthermore, the housing unit 14d forms a dirt opening 20d that differs from the suction opening 16d. The dirt opening 20d is formed in the first housing part 44d. The dirt opening 20d is arranged in one side of the first housing part 44d. The dirt opening 20d is formed by a rectangular recess in one side of the first housing part 44d. In an open state, the dirt opening 20d connects an environment via the dirt opening 20d to the dust collecting container 18d. The dirt opening 20d is connected to the dust collector 18d via a separate suction channel 56d. The suction channel 56d is arranged, for example, in the second housing part 46d. The housing unit 14d forms the suction channel 56d. A cross-sectional area of the dirt opening 20d is significantly larger than a cross-sectional area of the suction opening 16d. The cross-sectional area of the dirt opening 20d is at least twice, preferably 3 times, larger than the cross-sectional area of the suction opening 16d. The dirt opening 20d is in the at least one operating state for filling the dust collecting container 18d is provided. The dirt opening 20d is provided for a filling of the dust collecting container 18d in the suction mode. The dirt opening 20d, which differs from the suction opening 16d, can be filled independently of the suction opening 16d, wherein the suction opening 16d and the dirt opening 20d can be used at the same time. The dirt opening 20d is at least partially coupled to the intake flow for drawing in, in particular contaminated, ambient air. The dirt opening 20d is coupled to the intake flow in at least one operating state.

It is also proposed that the suction device 10d have at least one closing unit 24d, which is provided for optionally opening and closing the dirt opening 20d. The dirt opening 20d can be made accessible or the dirt opening 20d can be closed by means of the closing unit 24d. The closing unit 24d has two operating positions, namely an open position and a closed position. The closed position is shown in FIG. The open position is shown in FIG. In a closed position, the closing unit 24d prevents dirt from getting through the dirt opening 20d and prevents a loss of suction power through the dirt opening 20d. In a closed state, the closing unit 24d can prevent dirt from escaping from the dust collecting container 18d to the outside.

The closing unit 24d has a drawer 38d guided in the housing unit 14d for an optional opening and closing of the dirt opening 20d.

The drawer 38d of the locking unit 24d is no longer visible on pull-out rails on the housing unit 14d. The drawer 38d of the closing unit 24d is arranged on a side wall of the first housing part 44d and can be partially pulled out. The drawer 38d of the closing unit 24d is provided in a closed position to fill the dirt opening 20d. The drawer 38d of the closing unit 24d is provided to be moved manually by an operator from a closed position to an open position. For this purpose, the drawer 38d is pulled out of the first housing part 44d. The drawer 38d of the closing unit 24d is closed also manually. However, it would also be conceivable for the drawer 38d to be closed at least partially automatically.

Furthermore, the suction device 10d has a control and / or regulating unit 30d. The control and / or regulating unit 30d is provided for controlling and / or regulating the drive unit 12d. Furthermore, the suction device 10d has a sensor unit 26d for detecting a closed position of the closing unit 24d. The sensor unit 26d is coupled to the control and / or regulating unit 30d. The sensor unit 26d has a contact sensor which, in a closed position of the closing unit 24d, is contacted by the drawer 38d of the closing unit 24d.

Furthermore, the suction device 10d has an actuator 28d. The actuator 28d is provided, depending on a closed position of the closing unit 24d, to couple the at least one dirt opening 20d to the suction flow or to decouple it therefrom. The actuator 28d is provided for opening and / or closing the suction channel 56d. The actuator 28d is formed by a valve, in particular an electrically controlled valve. In a closed state of the closing unit 24d, the actuator 28d is provided to open the suction channel 56d at least temporarily. The actuator 28d is provided to couple the suction flow to a receiving area 40d of the drawer 38d when the closing unit 24d is closed. The suction channel 56d extends exactly between the receiving area 40d of the drawer 38d and the dust container 18d. The actuator 28d is provided to temporarily open the suction channel 56d after the closing unit 24d has been closed in order to suck out the receiving area 40d (FIG. 13).

During operation, the drawer 38d is opened temporarily, in particular by an operator, in order to dispose of dirt via the dirt opening 20d during the suction operation, for example by means of a hand shovel 58d. For this purpose, the receiving area 40d of the drawer 38d is filled with dirt. The drawer 38d can then be closed again, the receiving area 40d being sucked out into the dust collecting container 18d by means of the suction flow when the drawer 38d is in a closed state.

Claims

Expectations

1. Suction device, in particular vacuum cleaner, with at least one drive unit (12a; 12b; 12c; 12d) for generating a suction flow, with at least one housing unit (14a; 14b; 14c; 14d) which has at least one suction opening (16a; 16b ; 16c; 16d), which is provided in at least one operating state of the drive unit (12a; 12b; 12c; 12d) for drawing in, in particular contaminated, ambient air by means of the suction flow, and with at least one in the housing unit (14a; 14b ; 14c; 14d) arranged dust collector (18a; 18b; 18c; 18d) for receiving dirt separated from the suction flow, characterized in that the housing unit (14a; 14b; 14c; 14d) has at least one of the suction opening (16a; 16b; 16c; 16d) forms different dirt openings (20a; 20b; 20c; 20d) which are provided in the at least one operating state for filling the dust collecting container (18a; 18b; 18c; 18d).

2. Suction device according to claim 1, characterized in that the at least one dirt opening (20a; 20b; 20c; 20d) is at least partially coupled to the suction flow to suck in, in particular contaminated, ambient air.

3. Suction device according to claim 1 or 2, characterized in that a cross-sectional area of the dirt opening (20a; 20b; 20c; 20d) is wesent Lich larger than a cross-sectional area of the suction opening (16a; 16b; 16c; 16d).

4. Suction device according to one of the preceding claims, characterized by at least one filter unit (22a; 22b; 22c; 22d) which flows along the suction flow behind the suction opening (16a; 16b; 16c; 16d) and behind the dirt opening (20a; 20b ; 20c; 20d) is arranged and is provided to separate dirt from the intake flow.

5. Suction device according to one of the preceding claims, characterized by at least one closing unit (24a; 24b; 24c; 24d) which is provided for an optional opening and closing of the dirt opening (20a; 20b; 20c; 20d).

6. Suction device according to claim 5, characterized by at least one sensor unit (26a; 26b; 26c; 26d) for detecting a closed position of the at least one closing unit (24a; 24b; 24c; 24d).

7. Suction device at least according to claim 5, characterized by at least one actuator (28a; 28b; 28c; 28d) which is provided, depending on a closed position of the at least one closing unit (24a; 24b; 24c; 24d), the at least one dirt opening ( 20a; 20b; 20c; 20d) and / or the at least one suction opening (16a; 16b; 16c; 16d) to be coupled to or decoupled from the suction flow.

8. Suction device at least according to claim 5, characterized by at least one control and / or regulating unit (30b), which is provided in at least egg nem operating state, in particular when an operator actuates an operating element (32b), the closing unit (24b) to open automatically and to couple the at least one dirt opening (20b) to the suction flow.

9. Suction device at least according to claim 5, characterized in that the at least one closing unit (24b) has at least one slide (34b) guided on the housing unit (14b) for optional opening and closing of the dirt opening (20b).

10. Suction device at least according to claim 5, characterized in that the at least one closing unit (24c) has at least one on the housing seeinheit (14c) pivotally mounted flap (36c) for an optional opening and closing of the dirt opening (20c).

11. Suction device at least according to claim 5, characterized in that the at least one closing unit (24d) has at least one drawer (38d) guided in the housing unit (14d) for optional opening and closing of the dirt opening (20d).

12. Suction device according to claim 11, characterized by at least one actuator (28d) which is provided to couple the suction flow with a receiving area (40d) of the drawer (38d) in a closed state of the closing unit (24d).

13. Closing unit for a suction device (10a; 10b; 10c; lOd) according to one of the preceding claims.