Base station dust collecting method, base station, and cleaning system

Abstract

This disclosure provides a base station dust collection method, a base station, and a cleaning system, belonging to the field of cleaning technology. The base station dust collection method includes: detecting whether a stick vacuum cleaner is in a predetermined dust collection position relative to the base station; when the stick vacuum cleaner is detected to be in the dust collection position, switching the dust chamber cover from a closed state to an open state, and controlling the negative pressure source of the base station to operate, thereby forming a dust collection negative pressure between the base station and the dust discharge port; after the dust chamber cover is in the open state, controlling the dust-pushing structure of the stick vacuum cleaner to perform a dust-pushing action to push the dust in the dust chamber towards the dust discharge port; after the dust-pushing structure completes the dust-pushing action, controlling the negative pressure source to continue operating for a predetermined time. The base station dust collection method, base station, and cleaning system provided by this disclosure can improve the dust collection effect of the base station and reduce the need for users to manually empty dust and come into contact with contaminants.

Description

Technical Field

[0001] This disclosure belongs to the field of cleaning technology, specifically relating to a method for dust collection in a base station, a base station, and a cleaning system. Background Technology

[0002] Stick vacuum cleaners typically consist of a dust chamber, an exhaust port connected to the dust chamber, and a dust chamber cover for opening and closing the exhaust port. After cleaning, users need to empty the dust, hair, debris, and other contaminants collected in the dust chamber. Traditional stick vacuum cleaners often require manual emptying; users need to manually open the dust chamber cover and shake or tap the dust chamber to allow the dust to fall out through the exhaust port. This method easily causes dust to spread into the surrounding environment during the exhaust, and users are also likely to come into contact with dust on the dust chamber opening, dust chamber cover, or dust adhering to the inner walls of the dust chamber, resulting in a poor user experience. For mixed waste containing hair, lint, and fine dust, contaminants may also become entangled or adhere to the inner walls of the dust chamber, around the filter structure, or near the exhaust port, making it difficult to guarantee effective dust emptying by relying solely on gravity. Summary of the Invention

[0003] To reduce dust and contact contamination from manual emptying, some cleaning equipment is equipped with a base station. After the user places the vacuum cleaner on the base station, the base station uses negative pressure to draw dust from the dust chamber into a collection container inside the base station. While this type of base station reduces the frequency of manual emptying, for long, thin stick vacuum cleaners, the dust chamber typically extends along the length of the machine, resulting in a narrow internal space. Dust can easily form compacted or residual areas due to airflow, changes in user posture, and long-term accumulation. Especially when the size of the exhaust port is limited by the overall machine shape, dust chamber cover arrangement, and sealing structure, dust near the far end of the dust chamber is not easily carried out directly by negative pressure, and larger particles, hair clumps, or lint may also remain inside the dust chamber.

[0004] The existing dust collection process at base stations suffers from insufficient coordination. If dust collection begins before the vacuum cleaner has come to a stable stop, the dust outlet and the dust collection channel on the base station side may not be effectively connected. Negative pressure leakage reduces dust collection efficiency and may cause dust to be stirred up near the dust outlet. If the dust chamber cover is not open at the same time as the negative pressure is established, dust may easily escape when the cover opens, or dust inside the dust chamber may loosen and leak out from the dust outlet before the negative pressure is established. These issues affect the reliability of automatic dust collection when the stick vacuum cleaner is used in conjunction with the base station, making it difficult to meet users' cleaning and maintenance needs for low dust and low residue.

[0005] To address the aforementioned technical issues, the purpose of this disclosure is to provide a base station dust collection method, base station, and cleaning system, which can achieve better base station dust collection results and reduce the need for users to manually empty dust and come into contact with pollutants.

[0006] To achieve the above objectives, the technical solution provided in this disclosure is as follows:

[0007] In a first aspect, this disclosure provides a method for collecting dust from a base station using a stick vacuum cleaner. The stick vacuum cleaner includes a dust chamber, a dust outlet communicating with the dust chamber, and a dust chamber cover for opening or closing the dust outlet. The method includes: detecting whether the stick vacuum cleaner is in a predetermined dust collection position relative to the base station; when the stick vacuum cleaner is detected to be in the dust collection position, switching the dust chamber cover from a closed state to an open state, and controlling the negative pressure source of the base station to operate, thereby forming a dust collection negative pressure between the base station and the dust outlet; after the dust chamber cover is in the open state, controlling the dust-pushing structure of the stick vacuum cleaner to perform a dust-pushing action to push the dust in the dust chamber toward the dust outlet; after the dust-pushing structure completes the dust-pushing action, controlling the negative pressure source to continue operating for a predetermined time. Through the sequential coordination of position detection, cover opening, negative pressure suction, dust pushing, and delayed suction, the stick vacuum cleaner can automatically complete dust collection in the dust chamber after being placed at the base station.

[0008] In one or more embodiments, detecting whether the stick vacuum cleaner is in a predetermined dust collection position relative to the base station includes: detecting whether the stick vacuum cleaner is properly docked with the base station using a positioning detection device located on the base station. By using the positioning detection device on the base station to determine whether the stick vacuum cleaner is properly docked, the dust collection process is only initiated after the docking conditions are met. This avoids activating the negative pressure source or opening the dust chamber cover when the dust outlet and dust collection outlet are misaligned, reducing the risk of negative pressure leakage, dust escape, and accidental triggering.

[0009] In one or more embodiments, switching the dust chamber cover from a closed state to an open state includes: controlling the negative pressure source to operate, and using the negative pressure suction generated by the negative pressure source to switch the dust chamber cover from a closed state to an open state; or, using an opening mechanism provided at the base station to act on the opening mating part of the dust chamber cover to switch the dust chamber cover from a closed state to an open state. Negative pressure suction opening allows the dust outlet to be simultaneously constrained by suction when it opens, reducing dust emission; the opening mechanism improves the certainty of the dust chamber cover opening and is suitable for scenarios where the dust chamber cover has a large closing force, sealing force, or locking force.

[0010] In one or more embodiments, controlling the dust-pushing structure of the stick vacuum cleaner to perform a dust-pushing action includes: moving the dust-pushing structure along the length of the dust chamber to push the dust in the dust chamber toward the dust outlet. By moving the dust-pushing structure along the length of the dust chamber, the elongated dust chamber structure of the stick vacuum cleaner can be adapted, improving the situation where dust far from the dust outlet is difficult to be directly sucked out by negative pressure.

[0011] In one or more embodiments, the ash-pushing action includes: the ash-pushing structure completing at least one reciprocating movement along the direction close to the dust discharge port and away from the dust discharge port. By reciprocating along the direction close to the dust discharge port and away from the dust discharge port, the ash-pushing structure repeatedly disturbs the dust in the dust chamber, which can loosen and compact dust, hair clumps and flocculent matter, reducing the risk of dust discharge port blockage.

[0012] In one or more embodiments, after switching the dust chamber cover from a closed state to an open state, the negative pressure source is first controlled to operate at a first power for a predetermined start-up time, and then the dust-pushing structure is controlled to perform a dust-pushing action. During the dust-pushing action, the negative pressure source is controlled to operate at a second power; wherein the first power is higher than the second power. This solution can balance the rapid suction capability in the initial stage of dust collection with energy consumption and noise control during the dust-pushing stage, improving the stability of dust collection startup.

[0013] In one or more embodiments, during the predetermined duration of operation of the negative pressure source, at least one of the negative pressure value, airflow rate, and particulate matter concentration at the dust discharge port is detected, and the duration of operation of the negative pressure source is adjusted based on the detection results. This solution can dynamically control the operating time of the negative pressure source according to the actual residual ash state, avoiding insufficient or excessive suction.

[0014] In one or more embodiments, the negative pressure source is controlled to stop operating when the negative pressure value, the air flow rate, or the particulate matter concentration meets preset stop conditions. Stopping the machine promptly after the dust has been largely removed reduces noise, energy consumption, and heat generation from the negative pressure source; premature shutdown is avoided when there is still a significant amount of residual dust.

[0015] In one or more embodiments, after the negative pressure source continues to operate for the predetermined time, the dust-pushing structure is controlled to reset; after the dust-pushing structure resets, the dust chamber cover is switched from an open state to a closed state. After delayed suction, the dust-pushing structure is reset first, and then the dust chamber cover is closed, so that the internal structure of the dust chamber is restored to an initial state suitable for subsequent use, and the dust chamber cover can reliably seal the dust discharge port.

[0016] In one or more embodiments, when the stick vacuum cleaner is detected to have left the dust collection position, the negative pressure source and the dust-pushing structure are controlled to stop working. This solution can promptly stop the dust collection process when the user removes the stick vacuum cleaner midway or when the docking status is abnormal, avoiding the negative pressure source from emptying, the dust-pushing structure from malfunctioning, and dust from leaking out of the dust outlet.

[0017] Secondly, this disclosure provides a base station, which includes a dust collection port, a negative pressure source, a positioning detection element, and a controller; the dust collection port is used to communicate with the dust discharge port of a stick vacuum cleaner; the positioning detection element is used to detect whether the stick vacuum cleaner is in a predetermined dust collection position relative to the base station; the controller is used to execute the aforementioned base station dust collection method.

[0018] Thirdly, this disclosure provides a cleaning system including a stick vacuum cleaner and the aforementioned base station. The stick vacuum cleaner includes a dust chamber, a dust outlet communicating with the dust chamber, a dust chamber cover for opening or closing the dust outlet, and a dust pushing structure for pushing dust in the dust chamber toward the dust outlet. The dust collection port of the base station can be connected to the dust outlet.

[0019] The base station dust collection method, base station, and cleaning system disclosed herein reduce the risks of misaligned dust collection, accidental opening of the cover, and negative pressure leakage by limiting the base station dust collection process to a state where the dust discharge port and the base station have an effective cooperative relationship. When the dust chamber cover is switched from the closed state to the open state, the negative pressure source of the base station works in conjunction to create a dust collection negative pressure between the dust discharge port and the base station. After the dust discharge port is opened, the dust is sucked towards the base station, reducing the dust and escape at the moment of opening the cover. After the dust chamber cover is in the open state, the dust pushing structure pushes the dust in the dust chamber toward the dust discharge port, which can allow the dust to enter the negative pressure suction area and improve the dust chamber emptying effect. After the dust pushing action is completed, the negative pressure source continues to work for a predetermined time, which can remove residual dust from the dust discharge port, the area around the dust chamber cover, and the entrance of the base station, reducing dust falling and secondary pollution when the stick vacuum cleaner is removed. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this disclosure or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments recorded in this disclosure. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of a cleaning system according to an embodiment of the present disclosure;

[0022] Figure 2 This is a flowchart of a base station dust collection method in one embodiment of the present disclosure.

[0023] Explanation of key figure labels:

[0024] 1-Base station, 11-Dust collection port, 12-Landing detection component, 2-Wand vacuum cleaner, 21-Dust chamber, 22-Dust discharge port, 23-Dust chamber cover. Detailed Implementation

[0025] To enable those skilled in the art to better understand the technical solutions in this disclosure, the technical solutions in the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this disclosure, and not all embodiments. Based on the embodiments in this disclosure, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of this disclosure.

[0026] The dustbin of a stick vacuum cleaner is typically limited by the overall lightweight and elongated shape, with its internal space extending along the length of the body, resulting in a relatively concentrated dust collection area. The inventors, in analyzing the dust collection process of this type of product, discovered that the dust inside the dustbin is not always in a loose, easily flowing state. Fine dust, hair, lint, and larger particles sucked in during cleaning can adhere, entangle, or compact under the influence of airflow, vibration, and accumulation. If the user relies solely on manually opening the dustbin to empty it, dust can easily escape during the discharge, and the user can easily come into contact with contaminants near the dustbin. If only the suction effect of the base station is used, dust far from the discharge side, dust adhering to the inner walls of the dustbin, and compacted dust may still remain. Therefore, the dust collection effect is significantly affected by the shape of the dustbin and the state of the dust.

[0027] The inventors further realized that if the vacuum cleaner starts dust removal before it has reached a suitable dust collection state, a stable connection may not be formed between the removal area and the dust collection channel on the base station side, and dust may easily leak out. If there is a lack of coordination between the opening of the dust removal area and the establishment of the suction action, dust may escape before the suction action is formed, or the suction action may not be able to cover the dust release area in time.

[0028] Based on the above understanding, the technical implementation of this disclosure involves organizing the dust collection process of a stick vacuum cleaner into a state-triggered, stage-based control process. This approach starts with the dust collection state between the vacuum cleaner and the base station. First, it confirms that the vacuum cleaner has entered a state capable of performing dust collection. Then, it establishes discharge conditions for dust to migrate from the dust chamber to the base station, placing the dust release area in a controlled suction environment. Subsequently, by actively promoting the migration of dust within the dust chamber towards the discharge side, dust that was originally stagnant deep within the dust chamber, adhered to the inner walls, or in a compacted state is more easily drawn into the suction range. After the dust completes its main migration, the suction does not immediately end but continues for a period of time to handle residual dust that has not yet been completely discharged from the discharge side, the channel entrance, and localized areas of the dust chamber.

[0029] Following this approach, this disclosure transforms base station dust collection from a simple suction action into a process that involves confirming the dust collection status before proceeding with dust removal, coordinating suction during dust removal, assisting dust migration during suction, and continuing to remove residual dust after migration. Each stage of this process works collaboratively towards the common goal of reducing dust escape, improving the emptying degree of the dust chamber, and minimizing residual dust. The vacuum cleaner only enters the subsequent dust removal process after it is in a suitable dust collection state, which reduces the risk of accidental triggering and misaligned dust collection.

[0030] Please refer to Figure 1 As shown, a cleaning system in one embodiment of this disclosure includes a base station 1 and a stick vacuum cleaner 2. The stick vacuum cleaner 2 includes a dust chamber 21, a dust outlet 22 communicating with the dust chamber 21, a dust chamber cover 23 for opening or closing the dust outlet 22, and a dust pushing structure for pushing the dust in the dust chamber 21 toward the dust outlet 22. The dust collection port 11 of the base station 1 can be connected to the dust outlet 22.

[0031] The stick vacuum cleaner 2 serves as a portable cleaning terminal, used to suck up dust, hair, debris, and other dirt from the surface to be cleaned during the cleaning process, and temporarily store the dirt in the dust chamber 21. The base station 1 serves as a dust collection device used in conjunction with the stick vacuum cleaner 2, used to collect the dust discharged from the dust chamber 21 after the stick vacuum cleaner 2 has finished cleaning and docked with the base station 1, thereby reducing the frequency of manual dust emptying by the user.

[0032] Dust chamber 21 is located on the body of the stick vacuum cleaner 2 and has an internal space for containing dust. Dust outlet 22 communicates with dust chamber 21, serving as a channel for dust to be discharged from dust chamber 21. The position of dust outlet 22 can be arranged at the end, side, or near the end of dust chamber 21 according to the overall structure of the stick vacuum cleaner 2, so that dust outlet 22 can connect with dust collection port 11 of base station 1 when the stick vacuum cleaner 2 is parked at base station 1. Dust chamber cover 23 is located at dust outlet 22 and is used to close dust outlet 22 during normal cleaning or movement of the stick vacuum cleaner 2 to prevent dust leakage from dust chamber 21; when the stick vacuum cleaner 2 needs to collect dust, dust chamber cover 23 can open dust outlet 22, allowing dust in dust chamber 21 to be discharged through dust outlet 22.

[0033] A dust-pushing structure is installed in the stick vacuum cleaner 2 and is correspondingly arranged in the dust chamber 21. The dust-pushing structure is used to push the dust in the dust chamber 21 towards the dust outlet 22, allowing dust far from the dust outlet 22, dust adhering to the inner wall of the dust chamber 21, and dust entangled with hair or lint to migrate towards the dust outlet 22. This structure is suitable for the long and narrow dust chamber 21 and the limited size of the dust outlet 22 in the stick vacuum cleaner 2. When relying solely on negative pressure suction, dust in the far end or locally compacted areas of the dust chamber 21 may be difficult to directly remove; the dust-pushing structure can actively change the distribution position of dust within the dust chamber 21, increasing the probability of dust entering the suction area near the dust outlet 22.

[0034] Base station 1 is equipped with a dust collection port 11, which is used to connect with the dust discharge port 22 of the stick vacuum cleaner 2. After the stick vacuum cleaner 2 is connected to base station 1, a dust collection path is formed between dust collection port 11 and dust discharge port 22 for dust to pass through. Base station 1 can generate a suction effect at dust collection port 11 through an internal negative pressure source, so that the dust pushed to the vicinity of dust discharge port 22 by the dust pushing structure is sucked into base station 1. The opening of dust chamber cover 23, the pushing of dust pushing structure and the suction of dust collection port 11 work together to allow the dust in dust chamber 21 to migrate along the direction of dust chamber 21, dust discharge port 22, dust collection port 11 and the interior of base station 1.

[0035] Please refer to Figure 1 As shown, base station 1 includes a dust collection port 11, a negative pressure source, a positioning detection element 12, and a controller. The dust collection port 11 is located on base station 1 to receive the exhaust airflow from the stick vacuum cleaner 2, and can communicate with the exhaust port 22 of the stick vacuum cleaner 2 after the stick vacuum cleaner 2 is placed on base station 1. The dust collection port 11 can communicate with the dust collection channel, dust collection chamber, or dust bag interface inside base station 1, allowing dust discharged from dust chamber 21 to enter the dust collection port 11 through the exhaust port 22, and then enter the predetermined collection area along the dust collection path inside base station 1. A sealing structure or guiding structure can be provided around the dust collection port 11 to improve the connection stability when the exhaust port 22 and the dust collection port 11 are connected, reducing dust collection airflow leakage and dust escape.

[0036] A negative pressure source is located inside base station 1 and connected to dust collection port 11. The negative pressure source may include a fan assembly and an air inlet and exhaust duct connected to the fan assembly. When the negative pressure source is working, it creates a suction effect at dust collection port 11, allowing dust in the dust chamber 21 of the stick vacuum cleaner 2 to enter base station 1 through exhaust port 22 under the pull of airflow. The timing of the negative pressure source's operation can be controlled by a controller, coordinating the negative pressure source with the opening action of the dust chamber cover 23 of the stick vacuum cleaner 2, the dust pushing action, and the subsequent delayed suction action, thereby avoiding the lack of suction effect after the exhaust port 22 is opened, and also avoiding the relapse of residual dust caused by stopping suction immediately after the dust is pushed.

[0037] The positioning detection element 12 is located in the base station 1 and can sense the parking state of the stick vacuum cleaner 2. The positioning detection element 12 is used to detect whether the stick vacuum cleaner 2 is in a predetermined dust collection position relative to the base station 1. The predetermined dust collection position can be understood as the stick vacuum cleaner 2 having formed a suitable relative position with the base station 1 for dust collection, allowing the dust outlet 22 to connect with the dust collection outlet 11, and providing the conditions for subsequent actions such as opening the cover, suction, and dust pushing. The positioning detection element 12 can be a microswitch, Hall element, photoelectric sensor, pressure switch, or contact detection terminal.

[0038] The controller is communicatively connected to the positioning detection element 12 and the negative pressure source, and is used to execute the base station dust collection method. After receiving the positioning signal output by the positioning detection element 12, the controller can control the negative pressure source to start, and cooperate with the stick vacuum cleaner 2 to perform dust collection steps such as opening the dust chamber cover 23, pushing the dust structure, delayed suction, and resetting. The controller can also adjust the running time or operating power of the negative pressure source according to the status signals during the dust collection process. By coordinating the detection, opening, suction, and pushing actions, the base station 1 can automatically complete the dust collection process after the stick vacuum cleaner 2 is in place, reducing the need for manual dust emptying by the user and improving the reliability of dust transfer from the dust chamber 21 to the base station 1.

[0039] Please refer to Figure 2 The diagram shown is a flowchart of a base station dust collection method according to an embodiment of this disclosure. The base station dust collection method specifically includes the following steps:

[0040] S201: Detect whether the stick vacuum cleaner is in the predetermined dust collection position relative to the base station.

[0041] When the stick vacuum cleaner is in the predetermined dust collection position, it means that the stick vacuum cleaner has been placed in the base station and has reached a position where subsequent dust collection actions can be performed. In this position, the dust outlet of the stick vacuum cleaner can correspond to or connect with the dust collection port of the base station, the dust chamber cover has an opening space, and the suction effect generated by the negative pressure source of the base station can effectively act on the dust outlet.

[0042] In one feasible implementation, the base station can be equipped with a positioning detection device at the docking location with the stick vacuum cleaner. After the stick vacuum cleaner is placed on the base station, the positioning detection device is triggered by the main body, dust chamber area, cleaning head area, or positioning part that cooperates with the base station. The positioning detection device outputs a positioning signal to the base station's controller. Upon receiving the positioning signal, the controller can determine that the stick vacuum cleaner is in the predetermined dust collection position and allow subsequent actions such as opening the cover, activating the negative pressure source, and pushing the dust. If the controller does not receive the positioning signal, it can keep the negative pressure source closed and prevent the dust chamber cover from opening or the dust pushing mechanism from operating.

[0043] The base station can simultaneously detect multiple docking states. For example, the upper part of the base station detects whether the main body of the stick vacuum cleaner is in the predetermined position, the lower part detects whether the cleaning head or lower component is properly supported, and the area near the dust collection port detects whether the dust exhaust port is close to or aligned. When multiple detection results meet preset conditions, the controller can determine that the stick vacuum cleaner is in the predetermined dust collection position.

[0044] S202: When the stick vacuum cleaner is detected to be in the dust collection position, the dust chamber cover is switched from the closed state to the open state, and the negative pressure source of the base station is controlled to work to form a dust collection negative pressure between the base station and the dust outlet.

[0045] After the dust chamber cover is switched from the closed state to the open state, the dust exhaust port changes from the closed state to the open state, and the dust in the dust chamber can be discharged through the dust exhaust port. After the negative pressure source is working, a suction airflow is formed between the dust collection port, dust collection channel and dust exhaust port of the base station, and the dust in the dust chamber can be drawn into the base station by the airflow.

[0046] In one implementation, after receiving the arrival signal from the arrival detection device, the base station controller can first activate the negative pressure source to create negative pressure suction near the dust collection port of the base station, and then switch the dust chamber cover from the closed state to the open state. This method is suitable for scenarios where dust is easily generated when the dust chamber cover is opened. Since the negative pressure source has already established a suction effect, when the dust chamber cover is opened, the dust inside the dust chamber will be preferentially drawn by the airflow towards the base station, reducing the possibility of dust escaping from the area around the dust discharge port.

[0047] In another implementation, the base station can open the dust chamber cover first after detecting that the stick vacuum cleaner is in the dust collection position, and then control the negative pressure source to operate. This method is suitable for scenarios where the dust chamber cover needs to be mechanically opened, the opening resistance is high, or the locking structure needs to be released first. For example, the base station can be equipped with a cover opening mechanism. After the cover opening mechanism extends, it pushes against the dust chamber cover or the cover opening mating part linked to the dust chamber cover, causing the dust chamber cover to rotate around the hinge and open the dust discharge port. After the dust chamber cover is opened to a preset angle, the controller activates the negative pressure source, creating a dust collection negative pressure between the dust discharge port and the base station.

[0048] In another implementation, the opening of the dust chamber cover and the activation of the negative pressure source can be synchronized. After confirming that the stick vacuum cleaner is in the dust collection position, the controller simultaneously sends control signals to the negative pressure source and the cover opening mechanism, causing the dust outlet opening process to overlap with the negative pressure establishment process. This method can shorten the dust collection start-up time and is suitable for products with high requirements for automatic dust collection efficiency. If the dust chamber cover adopts a negative pressure suction opening structure, the suction force generated after the negative pressure source is activated can directly act on the dust chamber cover, enabling the dust chamber cover to overcome the closing holding force, elastic restoring force, or locking force and open. If the dust chamber cover adopts an electronically controlled or mechanically unlocking structure, the base station can first unlock the dust chamber cover and then use the suction force of the negative pressure source to assist in opening the dust chamber cover.

[0049] In a specific example, after the stick vacuum cleaner is connected to the base station, its exhaust port aligns with the base station's dust collection port. Upon receiving the arrival signal, the controller activates the negative pressure source, generating suction at the dust collection port. Subsequently, the base station's opening mechanism pushes the dust chamber cover's opening mechanism, rotating the dust chamber cover from a closed state to an open state, connecting the exhaust port with the base station's internal dust collection channel. At this point, dust around the exhaust port is sucked into the base station under the negative pressure of the dust collection system. If loose dust exists within the dust chamber, this portion can be extracted by the negative pressure source first, creating favorable conditions for the subsequent dust-pushing structure to push dust from deeper within the dust chamber.

[0050] In one exemplary embodiment, switching the dust chamber cover from a closed state to an open state specifically includes: controlling the negative pressure source to operate, and using the negative pressure suction force generated by the negative pressure source to switch the dust chamber cover from a closed state to an open state; or, using an opening mechanism provided on the base station to act on the opening mating part of the dust chamber cover to switch the dust chamber cover from a closed state to an open state.

[0051] In one embodiment, the dust chamber cover can employ an opening structure capable of responding to negative pressure suction. After the stick vacuum cleaner is docked with the base station, the dust collection port and dust exhaust port of the base station are aligned. The controller controls the negative pressure source to operate, generating negative pressure suction near the dust collection port. This negative pressure suction acts on the dust chamber cover through the dust exhaust port, causing the dust chamber cover to overcome closing holding forces, elastic restoring forces, or locking forces, and switch from a closed state to an open state. The dust chamber cover can be a hinged cover, a flip-up cover, or an elastically deflecting cover. When the dust chamber cover is closed, it covers the dust exhaust port; when the dust chamber cover is open, it connects the dust exhaust port to the dust collection port of the base station.

[0052] In another embodiment, the base station can be equipped with a cover-opening mechanism that acts on the cover-opening mating part of the dust chamber cover, switching the dust chamber cover from a closed state to an open state. The cover-opening mechanism may include a push rod, a lever, a push block, a swing arm, a cam, a slider, or an electromagnetic drive component. The cover-opening mating part may be formed on the outer surface of the dust chamber cover, the edge of the dust chamber cover, near the dust chamber cover's pivot point, or on a transmission component linked to the dust chamber cover. After the stick vacuum cleaner enters the dust collection position, the cover-opening mechanism moves to the open position and pushes, pushes, or pulls the cover-opening mating part, causing the dust chamber cover to flip around the hinged position or move along a preset direction, thereby opening the dust outlet. This method is suitable for structures where the dust chamber cover has a large closing force, a large sealing force, or where the dust chamber cover is not suitable for opening solely by negative pressure.

[0053] In another embodiment, the base station can first unlock the dust chamber cover using a mechanical unlocking mechanism, and then open the dust chamber cover. The mechanical unlocking mechanism can be a protrusion, a pressure rod, a sliding pin, a rotating paddle, or a resilient pushing component. The unlocking engagement part of the stick vacuum cleaner can be an unlocking button, a latch release part, a slider part, or a force-bearing part linked to the latch. After the stick vacuum cleaner is in place, the mechanical unlocking mechanism pushes against the unlocking engagement part, releasing the dust chamber cover from its latch. After the lock is released, the dust chamber cover can open under negative pressure suction, spring open under the action of the elastic component, or be further pushed open by the opening mechanism. This design can ensure reliable closing of the dust chamber cover during daily use and automatic opening during dust collection, avoiding the dust chamber cover failing to open stably due to excessive sealing force or latch holding force.

[0054] For example, after the stick vacuum cleaner is placed at the base station, the dust exhaust port connects with the dust collection port. The mechanical unlocking mechanism inside the base station first pushes against the unlocking engagement part on the stick vacuum cleaner, unlocking the dust chamber cover. Subsequently, the negative pressure source is activated and creates negative pressure suction at the dust collection port. Under the action of negative pressure, the dust chamber cover flips inward into the base station, opening the dust exhaust port and connecting it with the dust collection channel inside the base station.

[0055] S203: After the dust chamber cover is in the open state, control the dust pushing structure of the stick vacuum cleaner to perform a dust pushing action to push the dust in the dust chamber toward the dust discharge port.

[0056] With the dust chamber cover open, the dust outlet is connected to the dust collection path on the base station side, allowing the base station's negative pressure source to create a suction effect near the dust outlet. At this time, the dust-pushing structure of the control stick vacuum cleaner performs a dust-pushing action, causing dust far from the dust outlet, dust adhering to the inner wall of the dust chamber, and dust entangled with hair or lint to migrate towards the dust outlet and enter the base station under negative pressure.

[0057] The dust-pushing structure can be installed inside the dust chamber and can move relative to it. The dust-pushing structure can employ pushing components adapted to the inner wall of the dust chamber, such as push plates, push rings, scrapers, sliding components, and flexible scrapers. The direction of movement of the dust-pushing structure can extend along the length of the dust chamber or move towards the dust discharge port. For elongated dust chambers, the dust-pushing structure can move from the end furthest from the dust discharge port to the end closest to the dust discharge port, gradually pushing the dust accumulated deep within the dust chamber towards the discharge port. The dust-pushing structure can form a clearance fit or a contact fit with the inner wall of the dust chamber. In a contact fit, the dust-pushing structure can scrape off the adhering dust on the inner wall of the dust chamber. In a clearance fit, the dust-pushing structure can reduce movement resistance and facilitate dust migration by pushing dust clumps, hair clumps, or larger particles.

[0058] The dust-pushing action can be a single unidirectional movement or multiple reciprocating movements. A single unidirectional movement is suitable for scenarios where the dust is relatively loose and there is little residue in the dust chamber. After moving from the initial position to a position near the dust outlet, the dust-pushing structure pushes the dust towards the vicinity of the dust outlet. Reciprocating movements are suitable for scenarios where the dust is compacted, hair is tangled, or there is significant adhesion to the inner walls of the dust chamber. The dust-pushing structure moves back and forth between the direction near and away from the dust outlet, which can loosen the compacted dust, allowing hair clumps to detach from the inner walls of the dust chamber or near the filter structure, and then the subsequent movement towards the dust outlet will concentrate and push the dust. The movement stroke, movement speed, and number of reciprocating movements of the dust-pushing structure can be set according to the length of the dust chamber, the amount of dust, the suction capacity of the negative pressure source, and the size of the dust outlet.

[0059] In one embodiment, the stick vacuum cleaner may include a drive component for moving the dust-pushing structure. After the base station detects that the dust chamber cover is open, it can send a dust-pushing control signal to the stick vacuum cleaner via an electrical connection terminal or wireless communication. Upon receiving the dust-pushing control signal, the drive component moves the dust-pushing structure along the length of the dust chamber, pushing the dust inside towards the dust outlet.

[0060] In another implementation, the base station can be equipped with a mechanical trigger. When the stick vacuum cleaner is in the dust collection position, the mechanical trigger acts on the dust-pushing trigger part of the stick vacuum cleaner, which in turn moves the dust-pushing structure. This method can reduce the electrical control interaction between the stick vacuum cleaner and the base station, making it suitable for products with interconnected structures.

[0061] For example, the dust chamber of a stick vacuum cleaner is a long, narrow cavity extending along the main body of the stick vacuum cleaner, with the exhaust port located at the lower end or near the lower side of the dust chamber. After the user places the stick vacuum cleaner on the base station, the dust chamber cover opens, and the base station's negative pressure source creates a dust-collecting negative pressure at the exhaust port. The controller then controls the dust-pushing structure to move from the upper part of the dust chamber towards the exhaust port. As the dust-pushing structure moves, hair, dust, and particulate matter in the dust chamber are gradually pushed towards the vicinity of the exhaust port and sucked into the base station under the dust-collecting negative pressure. If the dust-pushing structure detects significant resistance, the controller can also control it to retreat a short distance and then advance again to loosen the compacted dust and reduce the risk of jamming.

[0062] For stick vacuum cleaners, the dust chamber typically extends along its length (the axial direction of the stick's main body). This chamber may contain fine dust, hair, lint, and larger particles. Over time, these contaminants can easily accumulate and form clumps, or adhere to the inner walls of the dust chamber, near the filter structure, and around the exhaust port. If the dust-pushing mechanism only moves a single step towards the exhaust port, some dust clumps may be compressed near the exhaust port, and hair may also bridge or become stuck, affecting subsequent negative pressure suction.

[0063] In one embodiment, the dust-pushing structure first moves towards the dust outlet, pushing the dust in the dust chamber to the vicinity of the outlet. When the dust-pushing structure reaches a predetermined position or an increase in pushing resistance is detected, it retracts a predetermined distance away from the dust outlet. Subsequently, the dust-pushing structure moves again towards the dust outlet. Through this reciprocating movement, the dust clumps undergo positional changes and become loose in shape during the process of being pushed, released, and pushed again. The adhesion between hair, flocculent matter, and the inner wall of the dust chamber is disrupted, and the compacted dust can be gradually dispersed. The negative pressure source of the base station can remain operational during this process, ensuring that the loosened dust near the dust outlet enters the base station through the outlet in a timely manner.

[0064] In another implementation, the dust-pushing structure can perform different numbers of reciprocating movements depending on the dust collection status. For example, when the amount of dust in the dust chamber is small or the dust-pushing resistance is low, the dust-pushing structure performs one movement towards the dust discharge port and one retraction away from the dust discharge port. When high dust-pushing resistance, abnormal negative pressure changes, or persistently high particulate matter concentration are detected, the dust-pushing structure can increase the number of reciprocating movements or shorten the single reciprocating stroke to repeatedly disturb the local accumulation area. The dust-pushing structure can also perform small reciprocating movements near the end position close to the dust discharge port to disperse the dust accumulation in front of the dust discharge port and prevent the dust discharge port from being blocked by hair clumps or large particles.

[0065] For example, the dust outlet is located in the lower area of ​​the dust chamber, while the dust-pushing structure is initially located in the upper area. After dust collection begins, the dust-pushing structure first moves downward, pushing the dust towards the dust outlet. If hair and dust form clumps near the dust outlet, the dust-pushing structure moves upward a short distance, causing the clumps to lose their continuous compaction, and the negative pressure source can suck away some of the loose dust. When the dust-pushing structure moves downward again, the remaining clumps are pushed back towards the dust outlet, making it easier for dust to enter the dust collection airflow of the base station.

[0066] In one exemplary embodiment, after the dust chamber cover is switched from a closed state to an open state, the negative pressure source is first controlled to operate at a first power for a predetermined start-up time, and then the dust pushing structure is controlled to perform a dust pushing action. During the dust pushing action of the dust pushing structure, the negative pressure source is controlled to operate at a second power; wherein, the first power is higher than the second power.

[0067] After the dust chamber cover switches from closed to open, the dust exhaust port changes from closed to open. Dust, fine dust, and lightweight lint near the exhaust port are easily loosened by airflow disturbance. At this time, controlling the negative pressure source to operate at its first power for a predetermined start-up time can quickly establish a strong dust collection negative pressure between the exhaust port and the base station, allowing the loosened dust near the exhaust port to preferentially enter the base station. The first power can be a higher speed setting of the negative pressure source, or it can be the pulse enhancement power of the negative pressure source during the dust collection start-up phase. The predetermined start-up time can be set according to the dust chamber volume, exhaust port size, negative pressure source performance, and sealing status, for example, it can be from 1 second to 10 seconds, or it can be dynamically determined based on the negative pressure value or airflow at the exhaust port.

[0068] After the predetermined startup time has elapsed, controlling the dust-pushing structure to perform its pushing action can prevent the structure from directly pushing dust before the negative pressure has been fully established. If the dust-pushing structure activates too early, dust in the dust chamber may be pushed to the vicinity of the dust discharge port but cannot be sucked into the base station in time, easily accumulating at the dust discharge port or escaping. By pre-extracting loose dust near the dust discharge port during the first power phase, space can be created for the dust-pushing structure to subsequently push dust deeper into the dust chamber, and the probability of dust discharge port blockage can also be reduced.

[0069] When the dust-pushing structure performs its pushing action, the negative pressure source operates at a second power. This second power is lower than the first power, suitable for maintaining stable suction during the continuous movement of the dust-pushing structure. The dust-pushing structure pushes the dust in the dust chamber towards the dust outlet. Under mechanical propulsion, the dust gradually enters the suction area near the dust outlet. During this time, the negative pressure source does not need to operate at a consistently high power. Using a second power maintains the airflow pulling the dust towards the base station, while reducing noise, energy consumption, and heat generation from the negative pressure source. It also reduces turbulence caused by excessive airflow on the dust in the dust chamber, making the pushing path of the dust-pushing structure more stable.

[0070] The aforementioned negative pressure source power control method allows the high-power phase of the negative pressure source to serve rapid pressure build-up and initial dust removal, while the low-power phase serves stable suction during the dust pushing process. The first power level can quickly suppress dust and remove dust near the dust discharge port after the dust chamber cover is opened, while the second power level can maintain continuous dust collection while the dust pushing structure pushes the dust. With the two power levels working together, the base station can improve the suction capacity during the dust collection startup phase and reduce noise and energy consumption during the dust pushing phase, thereby improving the adequacy and stability of the base station's dust collection process and enhancing the user experience.

[0071] S204: After the ash-pushing structure completes the ash-pushing action, the negative pressure source is controlled to continue working for a predetermined time.

[0072] After the dust-pushing structure completes its dust-pushing action, a delayed suction phase begins, continuing to maintain the base station's suction effect on the dust exhaust port. This further removes any residual dust remaining in the dust chamber, near the dust exhaust port, and in the base station entrance area after the dust-pushing action. After the dust-pushing structure completes its action, most of the dust in the dust chamber has been pushed to the vicinity of the dust exhaust port. However, fine dust, lightweight flocculent matter, hair ends, and particles adhering to the perimeter of the dust chamber cover may still be loose, suspended, or partially detached. If the negative pressure source is immediately shut off at this point, the residual dust may fall back into the dust chamber or may fall into the external environment when the dust chamber cover is closed or the stick vacuum cleaner leaves the base station.

[0073] The preset duration for the negative pressure source to continue operating can be set based on the dust chamber volume, exhaust port size, negative pressure source power, ash-pushing structure stroke, and dust collection channel length. For example, the preset duration can be set from 2 to 30 seconds, or from 5 to 15 seconds. The preset duration can be a fixed value; the controller starts timing after the ash-pushing structure completes its ash-pushing action, and stops the negative pressure source after the timing ends. This method has simple control logic and is suitable for products with relatively stable dust volume and dust chamber structure. The preset duration can also be a dynamic value; the controller determines the residual dust removal status based on parameters such as the negative pressure value, airflow, and particulate matter concentration in the exhaust port, dust collection port, or dust collection channel, and terminates the negative pressure source operation after the detected values ​​meet the preset stop conditions.

[0074] For example, after the dust-pushing structure completes its dust-pushing action, the controller does not immediately shut off the negative pressure source, but continues to control the negative pressure source to operate at a preset power for 8 seconds. During this period, fine dust near the dust outlet and loosened hair from the dust-pushing structure continue to be drawn by the suction airflow, entering the dust collection port and dust collection channel of the base station through the dust outlet. If a small amount of dust is still suspended near the dust outlet, the continuous negative pressure can allow it to enter the base station with the airflow, reducing the possibility of dust being trapped or leaking when the dust chamber cover is closed.

[0075] For example, after the dust-pushing structure completes its dust-pushing action, the base station can control the negative pressure source to continue operating in a pulsed manner. The pulsed manner can include a negative pressure enhancement phase and a negative pressure reduction phase. The negative pressure enhancement phase is used to remove residual dust near the dust outlet, while the negative pressure reduction phase is used to reduce noise and energy consumption, and to loosen locally attached dust during airflow changes. After at least one pulse suction cycle, the controller determines whether to stop the negative pressure source based on particulate matter concentration or airflow rate. This method is suitable for scenarios where the dust contains fine dust and flocculent matter, and where residues easily remain near the dust outlet.

[0076] In one exemplary embodiment, during the predetermined period during which the negative pressure source continues to operate, at least one of the negative pressure value, airflow rate, and particulate matter concentration at the dust outlet is detected, and the duration of continued operation of the negative pressure source is adjusted based on the detection results.

[0077] After the dust-pushing structure completes its dust-pushing action, most of the dust in the dust chamber has been pushed to the vicinity of the dust discharge port. However, fine dust, hair ends, or light flocculent matter may still remain at the dust discharge port, around the dust chamber cover, and at the entrance of the base station's dust collection path. Different users have different cleaning volumes, dust types, and residual dust states in the dust chamber. If the negative pressure source's delay time is fixed, insufficient or excessive suction may occur. By detecting relevant parameters, the controller can determine whether the residual dust has been largely removed and adjust the duration of the negative pressure source's operation accordingly.

[0078] Negative pressure values ​​can be detected by a negative pressure sensor. The sensor can be placed near the dust discharge port, near the dust collection port of the base station, or inside the dust collection channel. After the dust pushing action is completed, if the negative pressure value at the dust discharge port remains stably within a preset range, it indicates that the dust collection path between the dust discharge port and the base station is relatively unobstructed, and the residual dust removal process can end in a shorter time. If the negative pressure value fluctuates significantly, or falls below a preset threshold, it may indicate that there is still dust disturbance near the dust discharge port, local air leakage, or an unstable dust collection path. In this case, the controller can extend the duration of the negative pressure source's operation or increase the power of the negative pressure source to continue suction.

[0079] Airflow can be detected by an airflow sensor. The airflow sensor can be placed at the dust discharge port, the dust collection port of the base station, or the dust collection channel. After the dust-pushing structure completes its dust-pushing action, if the airflow gradually recovers and stabilizes within a preset range, it indicates that the obstruction of dust clumps, hair clumps, or particles on the dust collection path has decreased, and the dust collection process is nearing completion. If the airflow remains low, it may indicate that there is still a tendency for blockage near the dust discharge port, or that a significant amount of dust is still being continuously drawn out of the dust chamber. In this case, the controller can extend the duration of the negative pressure source's operation to allow residual dust to continue entering the base station.

[0080] Particulate matter concentration can be detected using a particulate matter sensor. The sensor can be positioned in the base station dust collection channel, upstream of the dust bag inlet, or upstream of the exhaust filtration path. During the delayed suction phase after the dust pushing action, if the particulate matter concentration remains above a preset threshold, it indicates that dust is still entering the base station with the airflow, and the negative pressure source continues to operate, still providing a dust removal function. If the particulate matter concentration drops below the preset threshold and remains below it for a preset time, it indicates that residual dust near the exhaust port has been largely removed, and the controller can stop the negative pressure source. This method avoids relying solely on time to determine whether dust collection is complete, improving the accuracy of the dust collection completion determination.

[0081] For example, after the dust-pushing structure completes one dust-pushing action, the controller enters a delayed suction phase and reads the particulate matter concentration in the dust collection channel. If the particulate matter concentration drops below the preset concentration threshold within 5 seconds and remains below it for 2 seconds, the controller can terminate the negative pressure source operation early. If the particulate matter concentration remains high after 5 seconds, the controller can extend the duration of the negative pressure source operation to 10 seconds or 15 seconds. Furthermore, if the airflow rate decreases significantly during the delayed suction phase, the controller can determine that dust may still be accumulating near the dust outlet and continue to maintain the negative pressure source operation until the airflow rate returns to the preset range.

[0082] The aforementioned method allows the delayed suction phase to match the actual dust collection status. When there is little dust, the negative pressure source can be stopped earlier, reducing noise, energy consumption, and fan heat generation. When there is more dust or significant residue, the negative pressure source can operate for an extended period, reducing residual dust near the dust outlet, at the edge of the dust chamber cover, and at the entrance of the base station's dust collection path. By controlling the process using negative pressure, airflow, or particulate matter concentration, the base station can more accurately determine whether residual removal is complete, ensuring that the automatic dust collection process balances cleaning effectiveness and operational efficiency.

[0083] Furthermore, when the negative pressure value, the air flow rate, or the particulate matter concentration meets the preset stop conditions, the negative pressure source is controlled to stop working.

[0084] The preset stop condition can be set based on the negative pressure value. For example, while the negative pressure source continues to operate, the negative pressure sensor detects the negative pressure value in the dust exhaust port, dust collection port, or dust collection channel. When the negative pressure value reaches the preset negative pressure range and remains stable within the preset duration, it indicates that the dust collection path between the dust exhaust port and the base station is in a stable suction state, and the disturbance of residual dust to the airflow has been reduced. If the negative pressure value continues to fluctuate abnormally, it may indicate that dust clumps or hair clumps are still being sucked in near the dust exhaust port, or that the dust collection path is unstable. In this case, it is not advisable to stop the negative pressure source immediately.

[0085] The preset stop condition can also be set based on the airflow rate. For example, if the airflow sensor detects that the airflow rate in the dust collection channel has returned to the preset flow rate range and remains there for a certain period of time, it indicates that there is no longer any significant blockage or concentrated dust flow near the dust discharge port. If the airflow rate remains low for an extended period, it may indicate that residual dust is still obstructing the airflow, or that hair or lint near the dust discharge port has not been completely removed. The controller can continue to operate the negative pressure source until the airflow rate meets the stop condition.

[0086] The preset stop condition can also be set based on particulate matter concentration. For example, a particulate matter sensor detects the particulate matter concentration at the dust collection channel or dust bag inlet. When the particulate matter concentration is below a preset concentration threshold and remains below it for a preset time, it indicates that the amount of dust entering the base station with the airflow has been significantly reduced, and residual dust has been largely removed. If the particulate matter concentration is still above the preset concentration threshold, it indicates that dust is still continuously entering the base station, and the negative pressure source continues to operate and still has a dust removal function. The controller can extend the operating time of the negative pressure source until the particulate matter concentration meets the stop condition.

[0087] This control method allows the start-up time at the end of dust collection to match the actual dust removal status. When there is little dust, the negative pressure source can stop early, reducing noise, energy consumption, and fan heat generation. When there is a lot of dust, hair, or significant residue near the dust outlet, the negative pressure source can continue to operate, preventing dust from falling back, dropping, or escaping due to premature stopping. By using negative pressure value, airflow rate, or particulate matter concentration as the basis for stopping, the base station can more accurately complete the delayed suction phase, improving the dust chamber emptying effect.

[0088] In one exemplary embodiment, after the negative pressure source continues to operate for the predetermined duration, the dust pushing structure is controlled to reset; after the dust pushing structure is reset, the dust chamber cover is switched from the open state to the closed state.

[0089] After the dust-pushing mechanism completes its dust-pushing action, it is usually located near the dust outlet or in a non-initial position within the dust chamber. If the dust chamber cover is closed directly at this point, the dust-pushing mechanism may occupy the cover's movement space or cause a localized compression within the dust chamber, affecting the cover's proper closure. Controlling the dust-pushing mechanism to reset before closing the dust chamber cover restores the internal structure of the dust chamber to its initial state suitable for the next cleaning cycle and ensures the dust outlet is reliably sealed by the dust chamber cover.

[0090] In one embodiment, the resetting of the dust-pushing structure can be accomplished by a drive mechanism within the stick vacuum cleaner. The drive mechanism can be a motor, lead screw mechanism, rack and pinion mechanism, elastic reset component, linkage mechanism, or slide rail mechanism. After the base station completes delayed suction, it can send a reset control signal to the stick vacuum cleaner via an electrical connection terminal or communication module. Upon receiving the reset control signal, the stick vacuum cleaner's drive mechanism moves the dust-pushing structure away from the dust outlet, returning it to its initial position. The initial position can be located at the end of the dust chamber away from the dust outlet, or at a position that does not obstruct the closing of the dust chamber cover, nor affect the dust chamber volume or subsequent airflow.

[0091] In another implementation, the dust-pushing structure can be automatically reset by an elastic element. When the dust-pushing structure performs its pushing action, the elastic element is stretched, compressed, or twisted to store energy. After the pushing action is completed, the base station releases its grip on the dust-pushing structure or the trigger, and the dust-pushing structure returns to its initial position under the action of the elastic element. This method has a relatively simple structure and is suitable for dust chamber structures with short pushing strokes and low reset resistance. The base station can also be equipped with a mechanical reset element, which returns the dust-pushing structure to its initial position by pushing or pulling the reset engagement part of a rod-type vacuum cleaner.

[0092] After the dust-pushing structure resets, the dust chamber cover switches from the open to the closed state. The dust chamber cover can close automatically under the action of the elastic reset component, or it can be driven to close by the drive component inside the stick vacuum cleaner, or it can be pushed closed by the closing mechanism on the base station side. After the dust chamber cover closes, it covers the dust discharge port, causing the dust chamber to re-enter a closed or nearly closed state, preventing residual dust from leaking from the dust discharge port after the stick vacuum cleaner leaves the base station. The dust chamber cover can also cooperate with latches, buckles, magnetic components, or elastic seals to maintain the closed state and improve the sealing reliability at the dust discharge port.

[0093] In one exemplary embodiment, when the stick vacuum cleaner is detected to have left the dust collection position, the negative pressure source and the dust pushing structure are controlled to stop working.

[0094] If a stick vacuum cleaner is removed by the user during the dust collection process, shifts position, or is not stably maintained in the dust collection position, the connection between the dust outlet and the dust collection port may be disrupted. Continuing to drive the negative pressure source or the dust-pushing mechanism in this situation can easily cause dust to escape, the mechanism to spin freely, or interference with its operation.

[0095] Detecting whether a wicking vacuum cleaner has left the dust collection position can be achieved using a positioning detection device at the base station. When the wicking vacuum cleaner is in the dust collection position, the positioning detection device outputs a positioning signal; when the wicking vacuum cleaner leaves the base station, the main body moves out of the limiting area, the cleaning head leaves the support area, or the dust outlet moves away from the dust collection outlet, the output state of the positioning detection device changes. The controller determines that the wicking vacuum cleaner has left the dust collection position based on this change and terminates the current dust collection process.

[0096] Stopping the negative pressure source prevents the base station from continuing to pump air when it is not connected to the dust collection port. If the negative pressure source continues to operate after the vacuum cleaner has left the dust collection location, the dust collection port may be directly exposed to the external environment, potentially generating unnecessary noise near the dust collection port. Furthermore, if suspended dust remains in the dust bag or dust collection channel, disorderly operation of the negative pressure source may disrupt airflow within the base station, increasing the risk of dust escaping from the interface.

[0097] Stopping the dust-pushing mechanism prevents it from continuing to push dust from the dust chamber towards the dust collection port when the dust outlet is not reliably connected to the dust collection port. The dust-pushing mechanism can stop at its current position or be reset to a safe position according to the control strategy. If the dust-pushing mechanism is moving towards the dust collection port and the stick vacuum cleaner has already left the dust collection position while the dust-pushing mechanism continues to operate, dust may be pushed towards the dust collection port, which has lost its suction constraint from the base station, causing dust to fall or spread from the dust collection port. If the dust-pushing mechanism is driven by a mechanical trigger on the base station side, the engagement between the mechanical trigger and the dust-pushing trigger may disengage after the stick vacuum cleaner leaves the dust collection position. Stopping the dust-pushing action in this case can also reduce the risk of mechanism jamming and false triggering.

[0098] For example, when a stick vacuum cleaner is performing dust collection at a base station, if the user accidentally lifts the stick vacuum cleaner outwards, the Hall element located in the base station's limiting slot will no longer detect the magnetic engagement part on the main body. The controller determines that the stick vacuum cleaner has moved away from the dust collection position, immediately stops the negative pressure source, and sends a stop dust-pushing signal to the stick vacuum cleaner, causing the dust-pushing structure to stop its current dust-pushing action or return to its initial position. If the dust chamber cover is still open, the controller can further control the dust chamber cover to close or output an abnormality prompt to remind the user to reconnect and then execute the dust collection process again.

[0099] By combining displacement detection and stop control, issues such as empty suction from the negative pressure source, malfunction of the dust pushing structure, dust leakage at the dust discharge port, and secondary pollution during user handling can be avoided. This control logic improves the safety and reliability of the base station dust collection process and enables the automatic dust collection process to adapt to abnormal usage scenarios such as users removing the stick vacuum cleaner midway, docking misalignment, and base station collisions.

[0100] In summary, the base station dust collection method, base station, and cleaning system provided in this disclosure reduce the risks of misaligned dust collection, accidental opening of the cover, and negative pressure leakage by limiting the base station dust collection process to a state where the dust discharge port and the base station have an effective cooperative relationship. When the dust chamber cover switches from the closed state to the open state, the negative pressure source of the base station works in conjunction to create a dust collection negative pressure between the dust discharge port and the base station. After the dust discharge port is opened, the dust is sucked towards the base station, reducing the dust and escape at the moment of opening the cover. After the dust chamber cover is in the open state, the dust pushing structure pushes the dust in the dust chamber toward the dust discharge port, which can allow the dust to enter the negative pressure suction area and improve the dust chamber emptying effect. After the dust pushing action is completed, the negative pressure source continues to work for a predetermined time, which can remove residual dust from the dust discharge port, the area around the dust chamber cover, and the entrance of the base station, reducing dust falling and secondary pollution when the stick vacuum cleaner is removed.

[0101] It will be apparent to those skilled in the art that this disclosure is not limited to the details of the exemplary embodiments described above, and that this disclosure can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of this disclosure is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this disclosure. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0102] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A method for collecting dust at a base station of a stick vacuum cleaner, the stick vacuum cleaner comprising a dust chamber, a dust outlet communicating with the dust chamber, and a dust chamber cover for opening or closing the dust outlet, characterized in that, include: Detect whether the stick vacuum cleaner is in the predetermined dust collection position relative to the base station; When the stick vacuum cleaner is detected to be in the dust collection position, the dust chamber cover is switched from the closed state to the open state, and the negative pressure source of the base station is controlled to work to form a dust collection negative pressure between the base station and the dust discharge port; After the dust chamber cover is in the open state, the dust pushing structure of the stick vacuum cleaner is controlled to perform a dust pushing action to push the dust in the dust chamber toward the dust discharge port. After the ash-pushing structure completes the ash-pushing action, the negative pressure source is controlled to continue working for a predetermined time.

2. The base station dust collection method according to claim 1, characterized in that, Detecting whether the stick vacuum cleaner is in the predetermined dust collection position relative to the base station includes: The stick vacuum cleaner is detected by a positioning detection device installed at the base station to determine whether it is properly docked with the base station.

3. The base station dust collection method according to claim 1, characterized in that, Switching the dust chamber cover from a closed state to an open state includes: Control the negative pressure source to operate, and use the negative pressure suction generated by the negative pressure source to switch the dust chamber cover from a closed state to an open state; or... The dust chamber cover is switched from a closed state to an open state by the opening mechanism provided at the base station acting on the opening mating part of the dust chamber cover.

4. The base station dust collection method according to claim 1, characterized in that, Controlling the dust-pushing structure of the stick vacuum cleaner to perform a dust-pushing action includes: The dust-pushing structure is moved along the length of the dust chamber to push the dust in the dust chamber toward the dust discharge port.

5. The base station dust collection method according to claim 4, characterized in that, The ash-pushing action includes: the ash-pushing structure completing at least one reciprocating movement along the direction close to the dust discharge port and the direction away from the dust discharge port.

6. The base station dust collection method according to claim 1, characterized in that, After switching the dust chamber cover from the closed state to the open state, the negative pressure source is first controlled to operate at a first power for a predetermined start-up time, and then the dust pushing structure is controlled to perform a dust pushing action. During the dust pushing action of the dust pushing structure, the negative pressure source is controlled to operate at a second power; wherein, the first power is higher than the second power.

7. The base station dust collection method according to claim 1, characterized in that, During the predetermined period of time during which the negative pressure source continues to operate, at least one of the negative pressure value, air flow rate, and particulate matter concentration at the dust outlet is detected, and the duration of continued operation of the negative pressure source is adjusted according to the detection results.

8. The base station dust collection method according to claim 7, characterized in that, When the negative pressure value, the air flow rate, or the particulate matter concentration meets the preset stop conditions, the negative pressure source is controlled to stop working.

9. The base station dust collection method according to claim 1, characterized in that, After the negative pressure source continues to operate for the predetermined time, the ash-pushing structure is controlled to reset. After the dust pushing structure is reset, the dust chamber cover is switched from the open state to the closed state.

10. The base station dust collection method according to claim 1, characterized in that, When the stick vacuum cleaner is detected to have left the dust collection position, the negative pressure source and the dust pushing structure are controlled to stop working.

11. A base station, characterized in that, Includes dust collection port, negative pressure source, arrival detection device and controller; The dust collection port is used to connect with the dust discharge port of the stick vacuum cleaner; The positioning detection device is used to detect whether the stick vacuum cleaner is in the predetermined dust collection position relative to the base station; The controller is used to execute the base station dust collection method according to any one of claims 1 to 10.

12. A cleaning system, characterized in that, The invention includes a stick vacuum cleaner and the base station as described in claim 11. The stick vacuum cleaner includes a dust chamber, a dust outlet communicating with the dust chamber, a dust chamber cover for opening or closing the dust outlet, and a dust pushing structure for pushing dust in the dust chamber toward the dust outlet. The dust collection port of the base station can be connected to the dust outlet.

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