101results about "Mechanical suction control" patented technology

A movable platform control method and device, a movable platform, a control system, and a computer-readable storage medium are provided. The method comprises: determining semantic information of different objects located on a movement path; determining different safe execution distances for the different objects based on the semantic information of the different objects; and controlling the movable platform to execute a cleaning task and / or obstacle avoidance task according to the different safe execution distances of the different objects, where the semantic information of the different objects allows differentiation between obstacles and objects to be cleaned.

The invention discloses an intelligent cleaning robot dynamic negative pressure dust removal system based on pressure feedback. The intelligent cleaning robot dynamic negative pressure dust removal system comprises a centrifugal fan, a pressure sensor array and a control system. The centrifugal fan adopts a variable frequency speed regulation technology, so that the suction force of 500-3000Pa is dynamically adjustable; an array composed of six sets of miniature pressure sensors is arranged at a dust collection opening, and the airflow pressure difference between the air inlet end and the air outlet end is monitored in real time. The control system is integrated with a blockage self-detection algorithm, when the pressure difference exceeds a preset threshold value 0.5 kPa, a compressed air pulse back flushing program lasting for 0.2 second is triggered, and meanwhile the fan power is adjusted in a self-adaptive mode till blockage is removed. The system solves the problem that the efficiency is suddenly reduced after a traditional dust collector is blocked through a pressure feedback mechanism and an intelligent control strategy, and self-maintenance of the dust collection efficiency is achieved. Experiments show that in dust-intensive scenes such as station waiting halls, the dust removal efficiency is improved by 35% compared with that of a traditional system. The intelligent cleaning robot has the functions of real-time pressure monitoring, dynamic negative pressure adjustment and blockage self-repairing, the working efficiency and reliability of the cleaning robot in the complex environment are remarkably improved, and the intelligent cleaning robot is suitable for being used as intelligent cleaning equipment in families, public places and the industrial field.

A cleaning robot includes a dust suction assembly including a roller brush assembly, a cavity body, a first blocking member located on a front side and a second blocking member located on a rear side of the roller brush assembly. The roller brush assembly includes a first roller brush and a second roller brush that are longitudinally arranged. Each of the first blocking member and the second blocking member has a free end close to a bottom surface of the dust suction assembly; a distance between the free end of the first blocking member and the bottom surface is a first distance, and a distance between the free end of the second blocking member and the bottom surface is a second distance, both the first distance and the second distance is greater than or equal to 0 and less than 5 mm.

Provided is a dust collector for a vehicle, including wheel accommodation parts formed on both sides of a vehicle body and in which wheels are located, a plurality of suction parts provided on inner circumferential surfaces of the wheel accommodation parts and through which inlet holes of front surfaces of the suction parts pass in a front-rear direction to communicate with suction spaces, a collection part provided on the vehicle body in which accommodation space is formed to accommodate fine dust and an inlet port and an outlet port are formed to allow air to be introduced and discharged, a plurality of collection lines, a driving part connected to a rear end of each of the collection lines and the inlet port and generates a suction force, and a controller electrically connected to a battery provided in the vehicle body and controls operation of the driving part.

The invention provides a particle detection module, cleaning equipment and a cleaning method. The particle detection module comprises a mounting body, a sensor and a control module. And the sensor is mounted on the mounting body. The sensor is used for receiving an external vibration signal and distinguishing a target vibration signal according to the frequency of the external vibration signal. The control module is installed on the installation body and is in communication connection with the sensor and the cleaning body. The control module is used for adjusting the suction mode of the cleaning body according to the frequency of the target vibration signal. The particle detection module can judge the mass size of the particles according to the frequency of the target vibration signal and adjust the suction mode of the cleaning main body according to the mass size of the particles, so that the cleaning main body can be automatically adjusted to the corresponding suction mode according to the mass of the particles to be cleaned; it is guaranteed that the cleaning body effectively cleans particulate matter, meanwhile, energy consumption optimization is achieved, and lasting operation is achieved.

A method of controlling a robotic cleaning apparatus. The method includes detecting, via one or more sensors, a soiled area on a target surface for cleaning. The method includes activating an active suspension system to reduce a distance between a chassis of the robotic cleaning device and a target surface to increase pressure exerted by a cleaning pad mounted to the chassis of the robotic cleaning device. The method includes monitoring, via one or more processors, one or more parameters of the robotic cleaning device to determine whether the one or more parameters are outside a threshold parameter range. The method includes adjusting the active suspension system if the one or more parameters are outside the threshold parameter range, and deactivating the active suspension system when it is detected that the soiled area on the target surface is cleaned.

A nozzle assembly that is designed for use on a vacuum cleaner includes a pivotable outlet configured for engagement with a suction tube of the vacuum cleaner and a suction chamber coupled to the pivotable outlet via a pivot axis such that the suction chamber can rotate about the pivot axis. The suction chamber includes a rotatable inlet positioned along a rear-facing edge of the suction chamber. The rotatable inlet is configured to rotate between a first state that allows air to pass through the rotatable inlet and a second state that blocks the passage of air through the rotatable inlet.

A suction device having a dirt collection container, a filter and a suction motor, wherein a suction flow is generated by the suction motor, the suction flow flowing from the dirt collection container through the filter in the direction of the suction motor. The suction device is designed to carry out dedusting of the filter while the suction mode of the suction device is in progress, by a backflushing flow R being generated from a clean side of the filter in the direction of a dirty side of the filter. The suction device includes a throttle valve provided on a dirty side of the filter to throttle the suction flow S such that the backflushing flow R is intensified. A method for dedusting a filter, filter dedusting being carried out while the suction mode of the suction device is in progress, by a backflushing flow being generated from a clean side of the filter in the direction of a dirty side of the filter, with throttling of the suction flow by a throttle valve leading to intensification of the backflushing flow.

A system and method may release or pick up a collecting body or cleaning pad from a robotic vacuum to selectively mop and / or vacuum a floor surface. A robotic vacuum base may include an attaching element protruding from the robotic vacuum base and a collecting body releasably coupled to the robotic vacuum. The collecting body may have an attaching element recess shaped to engage the attaching element. The attaching element recess may engage the attaching element to secure the collecting body to the robotic vacuum base in a direction of the robotic vacuum away from the robotic vacuum base.

A mobile cleaning robot can include a body movable within an environment and a debris bin located at least partially within the body. The robot can include a cleaning assembly connected to the body, where the cleaning assembly includes a first debris port connected to the debris bin and a second debris port connected to the debris bin.

The present invention relates to a cleaning head and a cleaning apparatus. The cleaning head has a first operation mode and a second operation mode, and comprises: a housing in which a suction chamber and a ventilation port communicated with the suction chamber are provided; an air valve mechanism which is configured to be switchable between an open position for opening the ventilation port and a closed position for closing the ventilation port; a cleaning mechanism which comprises a cleaning member configured to be switchable between an extended position in which the cleaning member protrudes out of a bottom of the housing and a retracted position in which the cleaning member retracts back into the housing; and an actuation mechanism which makes correlative movement with the air valve mechanism and the cleaning mechanism respectively; the first operation mode and the second operation mode can be switched by actuating the actuation mechanism; in the first operation mode, the air valve mechanism is in the open position, and the cleaning member is in the retracted position; and in the second operation mode, the air valve mechanism is in the closed position, and the cleaning member is in the extended position. The cleaning head can conveniently meet the cleaning requirements of different surfaces to be cleaned.

A filter device for a vacuum cleaner. The filter device has two chambers, of which in each case at least one participates in suction operation of the vacuum cleaner, while a filter element of the other chamber can be dedusted. As a result, while one filter element is being dedusted, suction operation can be maintained through the other chamber of the vacuum cleaner. This advantage is allowed by an elastic membrane, which can change shape and / or move when the chamber to be dedusted is ventilated. The ventilation is effected by a pressure equalizing stream which can pass through a ventilation channel and a ventilation opening into the chamber to be dedusted. As a result of the movement and / or change in shape of the elastic membrane, a dedusting pulse is applied to the filter element, which can ensure, for example, that a solid filter cake is detached and drops into the dust collecting tank of the vacuum cleaner. A method for dedusting a filter device in a vacuum cleaner is also provided.

The present invention relates to a vacuum cleaner head, which comprises: a rotor for suctioning foreign substances through an opening formed in the outer circumference thereof; and a drum casing having, on the bottom surface thereof, a slit in through the foreign substances are introduced, and encompassing the outside of the rotor, and which suctions the foreign substances through the entire area of the opened slit formed in the bottom surface, and concentrates, at one specific moment, suction at an open surface at which both the opening of the rotor and the slit of the drum casing meet, and thus provides greater suction force in a motor having the same capacity.

The invention relates to an adapter device (10; 110) for a suction apparatus, comprising a first turbine unit (12; 112) that can be driven by a primary suction air stream of the suction apparatus; a second turbine unit (18; 118) that can be driven to generate a secondary suction air stream; a transmission unit (20; 120) that is coupled to the first turbine unit (12; 112) and the second turbine unit (18; 118); driving of the first turbine unit (12; 112) by the primary suction air stream can be used via the transmission unit (20; 120) to drive the second turbine unit (18; 118) in order to generate the secondary suction air stream.

A waste liquid suction mechanism, a reaction disc, and a sample analyzer are provided. The waste liquid suction mechanism includes: a driving assembly; a lifting assembly, performing lifting movement under the action of the driving assembly, where a guide block is disposed on the lifting assembly, and stroke positions of the lifting assembly include a trigger position and a release position located below the trigger position; a suction needle assembly, disposed on the lifting assembly and performing lifting movement along with the lifting assembly, and including a suction needle configured to suck waste liquid; and a collection assembly, disposed below the suction needle assembly, and including a rotary stopper configured to block or release the suction needle.

The present disclosure relates to a cleaner station, and a flow path switching module according to the present disclosure includes a casing, a connection hose having an inlet configured to move along an inner peripheral surface of the casing, the connection hose being coupled selectively to any one of a first cleaner flow path connection portion and a second cleaner flow path connection portion, a first link having one side rotatably coupled to the casing, and the other side coupled to the connection hose, and a second link having one side rotatably coupled to the casing, and the other side coupled to the connection hose, in which a rotary shaft of the first link is disposed to be spaced apart from a rotary shaft of the second link, such that even though a user does not manually reassemble the connection hose, the first link and the second link moves the connection hose and couples the connection hose to a first cleaner flow path connection portion or a second cleaner flow path connection portion, and an inlet of the connection hose is spaced apart from an inner peripheral surface of the casing by a predetermined distance and moved, thereby preventing damage to a sealer.

A vacuum cleaner (1) comprising a body (2), an electrically-driven suction unit (3), a means for collecting the dust (4), a suction channel (5), a nozzle (6) that is communicated with the body (2) via the suction channel (5), an intake means (7) that is provided for ensuring additional portion of the air in to the suction channel (5), and which can be adjusted between an opened and a closed state, a control unit (8) for controlling the suction unit (3), and the intake means (7) is bi-directionally electrically connected to the control unit (8), so transmission of data or signals between the intake means (7) and the control unit (8) is enabled, and in that the control unit (8) is arranged to generate a signal (S1) for controlling the intake means (7) in the event of detecting the cleaning start signal or the cleaning end signal (SE).

The present invention relates to the technical field of dust collection equipment, and in particular to a handheld vacuum cleaner, comprising a body, an air flow generating assembly, a power supply assembly, a control button, a dust collecting chamber, an exhaust port, a cyclone separation assembly and a dust nozzle assembly, wherein the air flow generating assembly can generate a first air flow flowing from the dust collection chamber to the exhaust port or a second air flow flowing from the exhaust port to the dust collection chamber; the dust nozzle assembly and the cyclone separation assembly constitute the cleaning module of the present invention; the cyclone separation assembly has a driving structure and an air intake structure, the driving structure can control the filter to rotate in a first direction, and the air intake structure can generate a third air flow flowing around the filter in a second direction; the driving structure, the air intake structure and the dust nozzle assembly have at least a first mode and a second mode; in the first mode, the present invention performs dust collection; in the second mode, the present invention performs self-cleaning on the filter to ensure the use of the filter.

The invention relates to a vacuum cleaner with a first turbine and a second turbine, wherein the turbines are designed to generate a suction flow for suctioning in dust. The vacuum cleaner has a valve arrangement, which valve arrangement is designed to allow a suction flow to flow through the turbines one after another or parallel to one another. With the invention, the operation of the vacuum cleaner can be made more variable by providing a broader characteristic suction curve of the vacuum cleaner. This is made possible, in particular, by the fact that the turbines of the vacuum cleaner can be operated in series or parallel to one another, allowing the suction properties of the vacuum cleaner to be optimally adapted to different applications. The invention also enables the vacuum cleaner to maintain a suction operation when a filter unit of the vacuum cleaner is being cleaned. The invention also relates to a method for operating a vacuum cleaner with two turbines, wherein the vacuum cleaner can be operated in series or parallel operation.

To provide a suction device having a new closure element.SOLUTION: The present invention relates to a suction device 10 with a suction device housing 20 in which a suction turbine 11 for generating a suction flow S is arranged, the turbine having: a suction turbine inflow opening 11A through which suction flow can flow into the turbine; and at least one suction turbine outflow opening 11B through which the suction flow can flow out of the turbine. The housing 20 has an inlet 12 for letting in the suction flow and a dust collection chamber 21 for collecting dusts contained in the suction flow, and a filter element 13 holding dusts in the dust collection chamber is arranged between the dust collection chamber and the suction turbine inflow opening 11A. The suction device has a closure element 60 comprising a closure body 61 closing the inlet 12. The closure element closes the inlet 12 at a closed position V and moves away from the inlet at a release position FS. The suction device has a supply receptacle 68 housing the closure body when the closure body 61 reaches a release position FS.SELECTED DRAWING: Figure 1

A control system for controlling the actuation of one or more bleed members of a vacuum cleaner head. The control system comprises processor configured to receive an input signal indicative of the size of debris located in the vicinity of the cleaner head and determine a debris signal characteristic in dependence on the signal. The processor is also configured to receive another input signal indicative of a surface type to be cleaned and set a debris signal characteristic criteria in dependence on the surface type. If the debris signal characteristic satisfies the debris signal characteristic criteria, an output signal is issued comprising an instruction to open the one or more bleed members. A system comprising a and a cleaner head, a method and computer readable instruction are also disclosed.

A vacuum cleaning system comprises a vacuum cleaner, a dirt bin, a primary separation system 8, a membrane filter 19, and an air valve arrangement 200 configured to control air flow through at least t

Backpack dust collector (1) with a housing (2) comprising a suction connection (3); a dust collection chamber (13) connected to the suction port (3) and designed to accommodate a dust collection bag (18); a motor chamber (15) connected to the dust collection chamber (13) and housing a fan (31) and a motor (32); and an outlet port (17) through which air is discharged from the motor chamber (15); a slotted portion (40) located in a flow path (16) between the motor chamber (15) and the outlet port (17) and comprising at least one slotted passage (41) through which air passes from the motor chamber (15); and a sound absorbing component (42) located in at least part of a flow path (16B) between the passage (41) and the outlet port (17), wherein the housing (2) comprises a base housing (20) and a plate (23) connected to the base housing (20), and the flow path (16B) between the passage (41) and the outlet connection (17) is defined between the base housing (20) and the plate (23), characterized in that the base housing (20) comprises a recessed portion (24) which is recessed towards the rear, the plate (23) is positioned so that it covers an opening of the recessed portion (24), the flow path (16B) is defined between an inner surface (24A) of the recessed portion (24) and a rear surface (23B) of the plate (23), and the sound absorbing member (42) is fixed to the inner surface (24A) of the recessed portion (24) and the rear surface (23B) of the plate (23).

A portable dust extractor is disclosed and includes a housing, a collection chamber in the housing, a first filter chamber in the housing and in fluid communication with the collection chamber, wherein a first filter is disposed within the first filter chamber, a second filter chamber in the housing and in fluid communication with the collection chamber, wherein a second filter is disposed within the second filter chamber, and a manifold system adjacent to the first filter chamber and the second filter chamber, wherein the manifold system is operable to permit air flow through the first filter and the second filter in a filter direction and operable to permit air flow through the one of the first filter and the second filter in a filter direction while permitting air flow through the other of the first filter and the second filter in a debris removal direction.

Vacuum cleaner nozzle, comprising: - at least one first suction nozzle arranged to be opposite a floor to be cleaned and to be connected to a vacuum cleaner suction circuit, - at least one second suction nozzle, separate from the first suction nozzle, arranged to be opposite the floor to be cleaned and to be connected to the vacuum cleaner suction circuit, characterized in that the vacuum cleaner nozzle includes at least one inspection hatch, arranged between the first suction nozzle and the second suction nozzle and mounted removably on the vacuum cleaner nozzle to allow a user to access an internal duct of the vacuum cleaner nozzle.

The invention relates to an adapter device (10; 110), comprising: a first turbine assembly (12; 112) which can be driven by a primary suction air flow of the suction device; the second turbine assembly (18; 118) capable of being driven to generate a secondary suction air flow; and a transfer assembly (20; 120), which is coupled to the first turbine assembly (12; 112) and a second turbine assembly (18; 118), wherein the first turbine assembly (12; 118) is coupled by a primary suction air flow; 112) via a transmission assembly (20; 120) can be used to couple the second turbine assembly (18; 118) to generate a secondary suction air flow.

The present disclosure relates to a cleaner station, and a flow path switching module according to the present disclosure includes a casing, a connection hose having an inlet configured to move along an inner peripheral surface of the casing, the connection hose being coupled selectively to any one of a first cleaner flow path connection portion and a second cleaner flow path connection portion, a switching motor disposed at one side of the casing and configured to generate power, a sensing part coupled to the switching motor and protruding toward one side, a driving cam configured to transmit power to the connection hose, and a position sensor disposed at one side of the sensing part and including a switch configured to be turned on or off by the sensing part, the position sensor being configured to detect a position of the connection hose, such that even though a user does not manually reassemble the connection hose, the first link and the second link moves the connection hose and couples the connection hose to the first cleaner flow path connection portion or the second cleaner flow path connection portion, and whether the connection hose is coupled to the first cleaner connection flow path or the second cleaner connection flow path may be easily determined.

In a first aspect, the invention relates to a filter device for a vacuum cleaner. The filter device has two chambers, at least one of which participates in the suction operation of the vacuum cleaner while a filter element of the other chamber can be cleaned. As a result, while one filter element is being cleaned, the suction operation can be maintained by the other chamber of the vacuum cleaner. This advantage is made possible by an elastic membrane which can change its shape or move when the chamber to be cleaned is aerated. The aeration takes place using a pressure compensation flow which can enter the chamber to be cleaned through an aeration channel and an aeration opening. A cleaning pulse, which can, for example, ensure that a caked filter cake is loosened and falls into the dust collecting receptacle of the vacuum cleaner, is applied to the filter element by the movement or change in shape of the elastic membrane. In a second aspect, the invention relates to a method for cleaning a filter device in a vacuum cleaner.