Base station of window cleaning machine

Abstract

The invention relates to the technical field of window cleaning machine equipment, in particular to a base station of a window cleaning machine, which is characterized in that a disc motor and a take-up disc are respectively mounted on two sides of a take-up reel bracket, the take-up disc is rotatably connected with the take-up reel bracket, a wire is wound on the peripheral surface of the take-up disc, and the disc motor can drive the take-up disc to rotate relative to the take-up reel bracket; without manual winding after operation is finished, the wire can be quickly wound to the outer peripheral surface of the take-up disc, otherwise, automatic pay-off can be achieved, reduction of wire arrangement time and labor cost is facilitated, and the problems that an existing window-cleaning machine base station is usually provided with a power line to be connected with a window-cleaning machine, but after cleaning operation is finished, the power line cannot be connected with the window-cleaning machine are effectively solved. The problems that a power line is often long and needs to be manually wound and stored, so that the cable arrangement process is time-consuming and labor-consuming, the operation efficiency is reduced, and the user experience is seriously influenced are solved.

Description

Technical Field

[0001] This invention relates to the field of window cleaning machine equipment technology, specifically a window cleaning machine base station. Background Technology

[0002] A window cleaning machine is a high-altitude work equipment used for automatic cleaning of building curtain walls. It can move autonomously on the glass surface and complete the cleaning task. The window cleaning machine base station, as its supporting unit, is usually fixed on the roof or platform. It not only provides power and control connection for the window cleaning machine, but also ensures the overall stability during the operation through a reliable anchoring mechanism. The two work together to achieve automation and safety in curtain wall cleaning.

[0003] Existing window cleaning machine base stations are usually equipped with power cords to connect to the window cleaning machine, providing power replenishment or signal transmission during operation. However, after the cleaning operation is completed, the power cords are often quite long and require manual winding and storage, making the cable management process time-consuming and laborious. This not only reduces work efficiency but also seriously affects the user experience.

[0004] This invention was proposed in response to the shortcomings of existing technologies. Summary of the Invention

[0005] The existing window cleaning machine base stations mentioned above typically have power cords to connect to the window cleaning machine. However, after cleaning, the power cords are often quite long and require manual winding and storage, making the cable management process time-consuming and laborious. This not only reduces work efficiency but also seriously affects the user experience. The technical solution adopted by this invention to solve this problem is: A window cleaning machine base station, used to connect a window cleaning machine, includes a base station body. The base station body includes a base station housing, a winding device, and a vacuum adsorption device. The base station housing has an installation cavity and an installation bracket located within the installation cavity. The installation cavity includes a first installation cavity for receiving the window cleaning machine and a second installation cavity adjacent to the first installation cavity. The winding device is disposed on the installation bracket and located on the side of the installation bracket closer to the second installation cavity. The winding device is used to wind the wire between the base station body and the window cleaning machine. The vacuum adsorption device is used to adsorb and fix the base station body to the working surface. The winding device includes a take-up reel bracket, a disc motor, and a take-up disc. The disc motor and the take-up disc are respectively installed on both sides of the take-up reel bracket. The take-up disc is rotatably connected to the take-up reel bracket. The wire is wound around the outer circumferential surface of the take-up disc. The disc motor is used to drive the take-up disc to rotate relative to the take-up reel bracket to take the wire onto the outer circumferential surface of the take-up disc.

[0006] Furthermore, the take-up disc has a wire end fixing cavity and a wire outlet, the wire end fixing cavity is connected to the wire outlet, one end of the wire is fixed in the wire end fixing cavity, and passes through the wire outlet and is wound around the outer circumference of the take-up disc.

[0007] Furthermore, the take-up disc is provided with a winding groove, and a winding ring is provided in the winding groove.

[0008] Furthermore, the take-up disc is provided with a centrifugal braking mechanism, and the mounting bracket is provided with a stop mechanism for cooperating with the centrifugal braking mechanism. The centrifugal braking mechanism includes a centrifugal braking block and a return spring. One end of the centrifugal braking block is hinged to the take-up disc, and the other end of the centrifugal braking block is connected to the take-up disc through the return spring. The centrifugal braking block has a retracted state and an extended state. When the centrifugal braking block is in the retracted state, it fits against the surface of the take-up disc. When the centrifugal braking block is in the extended state, it protrudes from the surface of the take-up disc and engages with the stop mechanism to restrict the rotation of the take-up disc.

[0009] Furthermore, the mounting bracket is provided with a rotation detection component, and the take-up disc has a plurality of detection teeth on the side away from the take-up disc bracket. The plurality of detection teeth are spaced apart along the circumferential direction of the take-up disc. The rotation detection component senses the passage of the detection teeth when the take-up disc rotates, so as to detect the number of rotations of the take-up disc.

[0010] Furthermore, the vacuum adsorption device includes an adsorption component, a switching valve component, and a negative pressure generating component. The adsorption component is connected to the negative pressure generating component or the external environment through the switching valve component. The switching valve component has two working states: energized and de-energized. When the switching valve component is energized, the adsorption component is connected to the negative pressure generating component, so that the adsorption component is vacuum adsorbed onto the working surface. When the switching valve component is de-energized, the adsorption component is connected to the external environment, so that the vacuum adsorption between the adsorption component and the working surface is released.

[0011] Furthermore, the switching valve assembly includes a first interface connected to the adsorption component, a second interface connected to the negative pressure generating component, and a third interface connected to the external environment. When the switching valve assembly is energized, the first interface is connected to the second interface; when the switching valve assembly is de-energized, the third interface is connected to the first interface.

[0012] Furthermore, the adsorption assembly includes a vacuum suction cup and a pressure detector. The vacuum suction cup has a vacuum adsorption chamber on the side near the working surface. The pressure detector is connected to the vacuum adsorption chamber and is used to detect changes in the pressure inside the vacuum adsorption chamber.

[0013] Furthermore, the switching valve assembly is a two-position three-way solenoid valve.

[0014] Furthermore, the base station body also includes a power supply mechanism and a power digital display screen. The power digital display screen is located on the base station housing and is used to display the remaining power of the power supply mechanism. The power supply mechanism includes a built-in battery and / or a charging interface. The built-in battery is located in the second mounting cavity, and the charging interface is located on the base station housing and is used to connect an external charging device.

[0015] The beneficial effects of this invention are as follows: This invention installs a disc motor and a take-up disc on opposite sides of a take-up disc bracket, with the take-up disc rotatably connected to the bracket. The wire is wound around the outer circumference of the take-up disc, and the disc motor drives the take-up disc to rotate relative to the bracket. After the operation, the wire can be quickly wound to the outer circumference of the take-up disc without manual winding, and vice versa. This reduces the time and labor costs of wire management and effectively solves the problem that existing window cleaning machine base stations usually have power cords to connect to the window cleaning machine. However, after cleaning, the power cords are often long and require manual winding and storage, making the cable management process time-consuming and laborious, which not only reduces work efficiency but also seriously affects the user experience.

[0016] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0017] Figure 1 This is an exploded view showing the connection between the window cleaning machine and the base station body of the present invention; Figure 2 This is a cross-sectional schematic diagram of the base station body of the present invention; Figure 3 This is one of the structural schematic diagrams of the winding device of the present invention; Figure 4 This is one of the exploded schematic diagrams of the winding device of the present invention; Figure 5 This is a second exploded view of the winding device of the present invention; Figure 6 This is a cross-sectional schematic diagram of the winding device of the present invention; Figure 7 This is a second schematic diagram of the winding device of the present invention; Figure 8 for Figure 7An enlarged view of section B marked thereon; Figure 9 for Figure 2 An enlarged view of part A marked on the map; Figure 10 This is a schematic diagram of the vacuum adsorption device of the present invention; Figure 11 This is one of the exploded schematic diagrams of the vacuum adsorption device of the present invention; Figure 12 This is a second exploded schematic diagram of the vacuum adsorption device of the present invention; Figure 13 This is a schematic diagram of the main structure of the base station of the present invention. Detailed Implementation

[0018] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0019] like Figures 1 to 13 The diagram shows a window cleaning machine base station for connecting a window cleaning machine 100. It includes a base station body 200, which comprises a base station housing 201, a winding device, and a vacuum adsorption device. The base station housing 201 has a mounting cavity 202 and a mounting bracket 203 located within the mounting cavity 202. The mounting cavity 202 includes a first mounting cavity for housing the window cleaning machine 100 and a second mounting cavity adjacent to the first mounting cavity. The winding device is mounted on the mounting bracket 203 and located on the side of the mounting bracket 203 closer to the second mounting cavity. The winding device is used to wind the [missing information - likely a device name or component]. The base station body 200 and the window cleaning machine 100 are connected by a wire 90. The vacuum adsorption device is used to adsorb and fix the base station body 200 to the working surface. The winding device includes a take-up reel bracket 4, a disc motor 5 and a take-up disc 6. The disc motor 5 and the take-up disc 6 are respectively installed on both sides of the take-up reel bracket 4. The take-up disc 6 is rotatably connected to the take-up reel bracket 4. The wire 90 is wound around the outer circumferential surface of the take-up disc 6. The disc motor 5 is used to drive the take-up disc 6 to rotate relative to the take-up reel bracket 4 so as to take the wire 90 onto the outer circumferential surface of the take-up disc 6. This invention installs a disc motor and a take-up disc on opposite sides of a take-up disc bracket, with the take-up disc rotatably connected to the bracket. The wire is wound around the outer circumference of the take-up disc, and the disc motor drives the take-up disc to rotate relative to the bracket. After the operation, the wire can be quickly wound to the outer circumference of the take-up disc without manual winding, and vice versa. This reduces the time and labor costs of wire management and effectively solves the problem that existing window cleaning machine base stations usually have power cords to connect to the window cleaning machine. However, after cleaning, the power cords are often long and require manual winding and storage, making the cable management process time-consuming and laborious, which not only reduces work efficiency but also seriously affects the user experience.

[0020] Specifically, the base station 200 is connected to the window cleaning machine 100 via a cable 90. The cable 90 serves as a power supply line, providing continuous power support for the window cleaning machine 100 during high-altitude operations, preventing the cleaning machine from interrupting its cleaning process due to insufficient battery power. It can also charge the machine when not in operation, ensuring that the window cleaning machine 100 is always available. Secondly, the cable 90 also functions as a safety rope. When the window cleaning machine 100 moves or cleans at height, the cable 90 provides flexible traction and protection, preventing the window cleaning machine 100 from falling due to adsorption failure or accidental detachment, thus providing safety assurance for high-altitude operations.

[0021] Optionally, in some embodiments, the disc motor 5 is a stepper motor, used in conjunction with an external or internal reducer. The stepper motor controls the rotation angle through pulse signals, which can precisely control the number of coils and the length of the wire 90.

[0022] Optionally, in some embodiments, the disc motor 5 is a servo motor, which typically integrates a reduction mechanism; the servo motor has closed-loop feedback capability and can adjust the output torque and speed in real time, which is beneficial for achieving 90% tension control of the wire and avoiding situations where the wire is pulled too tight and breaks or too loose and causes stacking disorder.

[0023] Optionally, in some embodiments, the disc motor 5 is a DC brushless motor. DC brushless motors do not have carbon brush wear problems when they are working, and can drive the winding disc 6 to operate stably for a long time, which helps to reduce the maintenance frequency of the base station winding device; at the same time, DC brushless motors have low operating noise.

[0024] Furthermore, as a preferred embodiment of the invention and not a limitation thereof, the disc motor 5 is a geared motor. The geared motor 5 amplifies its output torque through a reduction mechanism, easily driving the take-up disc 6 to wind the wire 90. Even when the wire 90 is taut, has a thick diameter, or has many winding layers, it avoids jamming or stopping, ensuring a continuous and stable take-up process. Secondly, when the geared motor is not running, if external force is needed to pull the wire 90, the force on the wire 90 will cause the take-up disc 6 to rotate, thereby driving the output shaft of the geared motor to rotate synchronously. Because the geared motor has a small transmission ratio, a small external force can achieve forward and reverse rotation of the output shaft. Furthermore, it has the characteristic that the output shaft can rotate freely when not powered. Therefore, when external force pulls the wire 90, there is no additional resistance from the motor, and the wire 90 can be easily pulled out, which is beneficial. To meet the flexible adjustment requirements of the wire 90 length during window cleaning machine 100 operation, smooth wire feeding can be achieved without relying on motor drive. Finally, when the take-up disc 6 rotates to take in the wire, if the wire 90 is pulled by an external force, it will hinder the rotation of the take-up disc 6 and slow down its speed. This resistance is simultaneously transmitted to the geared motor, causing the motor speed to decrease and the load to increase. In order to maintain the take-up action, the geared motor needs to output more power to overcome the resistance, which in turn increases the operating current. The base station control system monitors the changes in the current of the geared motor in real time. When it detects that the current exceeds the set threshold due to the increased load, it can determine that the wire 90 is being pulled by an external force, and then issue a command to stop the geared motor from rotating. This avoids the geared motor from running under continuous overload or the wire 90 from being damaged due to excessive force, which is conducive to realizing intelligent protection in the take-up process.

[0025] Specifically, the first mounting cavity provides a dedicated storage space for the window cleaning machine 100, enabling neat storage and overall relocation after operation; secondly, the second mounting cavity independently accommodates the winding device and other mechanisms, which helps to avoid interference or entanglement between the wire 90 and the window cleaning machine 100 during the winding process; at the same time, the winding device is located on the side close to the second mounting cavity, making the wire 90 lead-out path shorter and smoother, which helps to reduce bending resistance and effectively improve the reliability of wire winding and unwinding.

[0026] like Figures 1 to 13 The take-up disc 6 shown has a wire end fixing cavity 61 and a wire outlet 62. The wire end fixing cavity 61 is connected to the wire outlet 62. One end of the wire 90 is fixed in the wire end fixing cavity 61 and passes through the wire outlet 62 and is wound around the outer circumference of the take-up disc 6. Furthermore, fixing one end of the wire 90 inside the wire end fixing cavity 61 helps prevent the end of the wire 90 from falling off or slipping when the take-up disc 6 rotates. This helps ensure that the wire 90 can be wound in an orderly manner from the fixed end during winding, avoiding messy stacking of cables due to loose ends, and providing a stable foundation for subsequent uniform winding.

[0027] Furthermore, the outlet 62 serves as the only outlet for the wire 90 from the internal cavity to the outer circumference, guiding the wire 90 so that it begins to wind at a fixed angle and position. This effectively prevents the wire 90 from crossing, stacking, or shifting at the beginning, helping to ensure that subsequent multi-layer winding is neat and tight, and effectively avoiding problems such as "tangled wires" or "stacked wires".

[0028] Optionally, in some embodiments, the end of the wire 90 can be anchored in the wire end fixing cavity 61 by a snap-fit ​​structure; the inner wall of the wire end fixing cavity 61 is provided with an elastic snap-fit, and the end of the wire 90 is pre-set with an annular groove that matches the elastic snap-fit. After the end of the wire 90 is inserted into the wire end fixing cavity 61, the elastic snap-fit ​​automatically engages in the annular groove to form a mechanical lock, thereby achieving quick fixation; when disassembling, the wire 90 can be pulled out by pressing the elastic snap-fit ​​to release the annular groove, and no tools are required for the operation.

[0029] Optionally, in some embodiments, the end of the wire 90 can be anchored in the wire end fixing cavity 61 by a clamping structure. The wire end fixing cavity 61 is provided with a screw-on pressure block. The pressure block and the bottom of the cavity form a clamping space. The end of the wire 90 is inserted into the clamping space, and the pressure block is tightened to make it tightly squeeze the wire 90, thereby fixing the wire by friction.

[0030] Optionally, in some embodiments, the end of the wire 90 is anchored to the wire end fixing cavity 61 by hot melt adhesive. The bottom of the wire end fixing cavity 61 is pre-set with an adhesive groove. After the end of the wire 90 is inserted into the adhesive groove, hot melt adhesive is injected into the adhesive groove. After the adhesive cools and solidifies, the end of the wire 90 and the wire end fixing cavity 61 form an integral structure.

[0031] Optionally, in some embodiments, the end of the wire 90 can be anchored in the wire end fixing cavity 61 by knotting.

[0032] like Figures 1 to 13 The winding disc 6 shown is provided with a winding groove 63, and a winding ring 64 is provided in the winding groove 63; Furthermore, the winding ring 64 set in the winding groove 63 can provide a clear winding path for the wire 90. When the disc motor 5 drives the take-up disc 6 to rotate, the wire 90 is wound along the trajectory of the winding ring 64. This setting ensures that the wire 90 remains neat and orderly during the winding process, avoiding chaotic phenomena such as crossing and knotting.

[0033] Furthermore, when the base station body 200 moves or the window cleaning machine 100 stops suddenly, the wire 90 may jump or swing due to inertia. The winding groove 63 and the winding ring 64 together form a physical barrier to constrain the wire 90 within the effective winding area of ​​the take-up disc 6, preventing it from slipping off the edge of the disc and causing jamming, knotting or even breakage.

[0034] Furthermore, the take-up reel 6 includes a transmission extension 65 extending toward the reel motor 5. The output shaft of the reel motor 5 passes through the take-up reel bracket 4 and is connected to the transmission extension 65. A first bearing 651 is provided between the transmission extension 65 and the take-up reel bracket 4. The direct connection between the output shaft of the reel motor 5 and the transmission extension 65 of the take-up reel 6 shortens the power transmission path, helps reduce energy loss, ensures that the torque of the reel motor 5 can be efficiently transmitted to the take-up reel 6, ensures stable driving force during take-up, and effectively avoids slippage or power interruption.

[0035] Furthermore, a rotation gap 41 is provided between the take-up disc 6 and the take-up disc support 4. This rotation gap 41 effectively reduces direct contact between the two, thereby reducing friction. When the take-up disc 6 rotates under the drive of the disc motor 5, the lower friction makes the rotation smoother, which helps reduce energy loss and improves the overall rotation efficiency of the winding device. Secondly, the rotation gap 41 provides sufficient space for the rotation of the take-up disc 6, avoiding jamming caused by manufacturing or assembly errors. In actual use, even if there are minor unevenness or deformation between the take-up disc 6 and the take-up disc support 4, the rotation gap 41 ensures that the take-up disc 6 can rotate freely without affecting its flexibility due to slight interference.

[0036] Furthermore, a second bearing 66 is provided on the side of the take-up disc 6 away from the take-up disc support 4; the second bearing 66 shares the rotational load of the take-up disc 6, converting the sliding friction that may occur on the other side into rolling friction, and together with the first bearing 651, makes the rotational resistance of the entire take-up disc 6 smaller, so that it can remain smooth and flexible whether the disc motor 5 drives the take-up or the external force pulls the line out, which helps to reduce energy loss.

[0037] like Figures 1 to 13 The take-up disc 6 shown is equipped with a centrifugal braking mechanism 67, and the mounting bracket 203 is equipped with a stop mechanism 204 for cooperating with the centrifugal braking mechanism 67. The centrifugal braking mechanism 67 includes a centrifugal braking block 671 and a return spring 672. One end of the centrifugal braking block 671 is hinged to the take-up disc 6, and the other end of the centrifugal braking block 671 is connected to the take-up disc 6 through the return spring 672. The centrifugal braking block 671 has a retracted state and an extended state. When the centrifugal braking block 671 is in the retracted state, it fits against the surface of the take-up disc 6. When the centrifugal braking block 671 is in the extended state, it protrudes from the surface of the take-up disc 6 and engages with the stop mechanism 204 to limit the rotation of the take-up disc 6. Specifically, when the window cleaning machine 100 falls rapidly due to an accident, the cable 90 is pulled out at high speed, causing the take-up disc 6 to rotate rapidly. At this time, the centrifugal brake block 671 overcomes the tension of the return spring 672 under the action of centrifugal force, switching from the retracted state to the extended state, protruding from the surface of the take-up disc 6. The mounting bracket 203 is provided with a stop mechanism 204 for cooperating with the centrifugal brake mechanism 67. After the centrifugal brake block 671 protrudes from the surface of the take-up disc 6, it engages with the stop mechanism 204. The take-up disc 6 can be automatically locked without electronic control or external energy, effectively preventing the cable 90 from being released further and preventing the window cleaning machine 100 from falling to the ground, which is conducive to improving the safety of high-altitude operations.

[0038] Furthermore, during regular take-up or low-speed unwinding, the take-up disc 6 rotates at a low speed, and the centrifugal force is insufficient to overcome the spring force. The centrifugal brake block 671 always remains in a contracted state, adhering to the surface of the take-up disc 6, and does not contact the stop mechanism 204 on the mounting bracket 203.

[0039] Furthermore, when the centrifugal brake block 671 is triggered to unfold due to the excessive rotation speed of the take-up disc 6, the wire 90 is subjected to the gravity or tension of the window cleaning machine 100. This tension is greater than the elastic force of the return spring 672, causing the centrifugal brake block 671 to remain engaged with the stop mechanism 204, maintaining the braking state to limit the further release of the wire 90. When the user notices the braking and picks up the window cleaning machine 100, the tension on the wire 90 disappears, the return spring 672 returns to its elastic deformation, and pulls the centrifugal brake block 671 from the unfolded state to the retracted state, disengaging from the stop mechanism 204. The brake is released, and the take-up disc 6 can rotate flexibly again, ensuring that subsequent take-up and release operations return to normal.

[0040] Optionally, in some embodiments, a radially protruding mounting post is integrally formed or embedded on the body of the take-up disc 6, and the top of the mounting post is provided with an annular groove or through hole; one end of the return spring 672 is a hook structure, which is directly attached to the mounting post.

[0041] Optionally, in some embodiments, the take-up disc 6 is provided with an open U-shaped slot, one end of the return spring 672 is bent to form a right-angle hook, the hook is inserted into the U-shaped slot, and the end of the return spring 672 is fixed by the limiting effect of the inner wall of the slot. The other end is connected to the preset hole of the centrifugal brake block 671. The slot connection can prevent the return spring 672 from falling off when it is stretched under force, which has strong structural stability and does not require additional fasteners.

[0042] Optionally, in some embodiments, the take-up disc 6 is provided with a threaded hole, and one end of the return spring 672 is welded or integrally formed with a connecting piece with a through hole. The bolt passes through the through hole of the connecting piece and is tightened and fixed to the threaded hole of the take-up disc 6. The other end of the return spring 672 is connected to the centrifugal brake block 671. This connection method can adjust the initial tension of the return spring 672 by the bolt preload.

[0043] Optionally, in some embodiments, the stop mechanism 204 is a radially protruding rigid boss provided on the mounting bracket 203, which is integrally formed or screwed on by metal or high-strength engineering plastic; its side facing the take-up disc 6 is a vertical or slightly inclined stop surface; when the centrifugal brake block 671 is thrown out, its outer end face collides with and engages with the side of the rigid boss to form a mechanical lock.

[0044] Optionally, in some embodiments, the stop mechanism 204 integrates a rubber pad, silicone block or spring buffer layer on the rigid base. When the centrifugal brake block 671 impacts, it first contacts the elastomer and then engages with the rigid base, which helps to reduce noise and structural impact.

[0045] Furthermore, there are two centrifugal braking mechanisms 67, which are spaced apart circumferentially along the take-up disc 6. Optionally, there is one stop mechanism 204. Preferably, the number of stop mechanisms 204 is the same as the number of centrifugal braking mechanisms 67. If only one centrifugal braking mechanism 67 is provided, the entire safety protection function will be lost if the mechanism fails due to dirt, wear, or assembly errors. The use of two spaced centrifugal braking mechanisms 67 constitutes a mechanical redundancy design: even if one set fails to trigger normally, the other set can still independently complete the locking action, which is beneficial to improving the reliability of fall protection. Secondly, in the high-speed rotation state, the two centrifugal braking blocks 671 are subjected to almost the same force conditions, which can be thrown out synchronously and contact the stop mechanism 204, avoiding impact vibration or local overload caused by single-point contact, making the braking process smoother and the response more consistent, which is beneficial to reducing the impact on the base station structure.

[0046] like Figures 1 to 13 The mounting bracket 203 shown is equipped with a rotation detection component 91. The take-up disc 6 is provided with a plurality of detection teeth 68 on the side away from the take-up disc bracket 4. The plurality of detection teeth 68 are spaced apart along the circumferential direction of the take-up disc 6. The rotation detection component 91 senses the passage of the detection teeth 68 when the take-up disc 6 rotates, so as to detect the number of rotations of the take-up disc 6. Furthermore, when the take-up disc 6 rotates, the detection teeth 68 rotate synchronously with it. The rotation detection component 91 can accurately calculate the number of rotations by sensing the number of times the detection teeth 68 pass by, combined with the spacing density of the detection teeth 68 and the circumference of the take-up disc 6, and then calculate the actual length of the wire 90, providing data support for the length control of the wire 90 during the operation of the window cleaning machine 100.

[0047] Optionally, in some embodiments, the rotation detection component 91 is a Hall sensor and is fixed to the position of the mounting bracket 203 corresponding to the detection tooth 68; the detection tooth 68 is made of permanent magnet material and is arranged at intervals along the circumference of the take-up disk 6, with the polarity of adjacent detection teeth 68 alternating; when the detection tooth 68 rotates with the take-up disk 6 and passes the Hall sensor, it will cause a change in the magnetic field, and the sensor will output a pulse signal, and the number of rotations will be obtained by pulse counting.

[0048] Optionally, in some embodiments, the rotation detection component 91 is a photoelectric reflection sensor with transmission and reception functions, and the detection end faces the surface of the take-up disk 6; the detection teeth 68 are reflective sheets spaced apart on the take-up disk 6, and the remaining area is a non-reflective surface; when the take-up disk 6 rotates, the reflective sheets reflect light when passing through the sensor, so that the receiving end receives a signal, and there is no signal when passing through the non-reflective area, and the counting is achieved by the number of signal changes.

[0049] Furthermore, as a preferred embodiment of the present invention and not a limitation thereof, the rotating detection component 91 is an infrared optocoupler board, with its transmitting end and receiving end arranged opposite to each other to form a detection channel; the detection teeth 68 are strip-shaped protrusions distributed circumferentially on the take-up disk 6, and the height of the protrusions is sufficient to block infrared light. When the take-up disk 6 rotates, the detection teeth 68 pass through the detection channel in sequence, periodically blocking the infrared signal, and the sensor calculates the number of rotations by recognizing the number of signal on and off.

[0050] like Figures 1 to 13 The vacuum adsorption device shown includes an adsorption component 1, a switching valve component 2, and a negative pressure generating component 3. The adsorption component 1 is connected to the negative pressure generating component 3 or the external environment through the switching valve component 2. The switching valve component 2 has two working states: energized and de-energized. When the switching valve component 2 is energized, the adsorption component 1 is connected to the negative pressure generating component 3, so that the adsorption component 1 is vacuum-adsorbed onto the working surface. When the switching valve component 2 is de-energized, the adsorption component 1 is connected to the external environment, so that the vacuum adsorption between the adsorption component 1 and the working surface is released. Furthermore, by setting up an adsorption component 1, a switching valve component 2, and a negative pressure generating component 3, the adsorption component 1 is connected to the negative pressure generating component 3 or the external environment through the switching valve component 2. When the switching valve component 2 is energized, the adsorption component 1 is connected to the negative pressure generating component 3, which creates a vacuum adsorption force, thereby allowing the base station body 200 to be stably fixed on the working surface, preventing the base station body 200 from shifting and interfering with the operation of the window cleaning machine 100. At the same time, the stable adsorption force also provides a safety guarantee for the window cleaning machine 100. When the switching valve component 2 is de-energized, the adsorption component 1 is connected to the external environment, thereby releasing the vacuum state of the adsorption component 1. The adsorption can be quickly released without additional operation, which helps to improve the stability and convenience of the device.

[0051] Optionally, in some embodiments, the negative pressure generating component 3 includes a negative pressure fan, along with a dustproof structure and noise reduction components. After the negative pressure fan is started, it can quickly form a negative pressure environment without long-term preheating, enabling the base station body 200 to quickly complete a stable connection with the working surface or ground, which helps to save work preparation time.

[0052] Furthermore, as a preferred embodiment of the invention and not a limitation thereof, the negative pressure generating component 3 includes a miniature vacuum pump. The miniature vacuum pump is small in size and can be easily embedded in the reserved space inside the base station body 200 without occupying additional external space. Secondly, the miniature vacuum pump can obtain power from the power supply module built into the base station body 200. When working, it can continuously output a stable negative pressure to ensure that the adsorption component 1 always maintains a strong adsorption force. Even if the window cleaning machine 100 generates a pulling force when working at height, it can prevent the base station body 200 from shifting. At the same time, the miniature vacuum pump has low noise when running and will not cause significant interference to daily life.

[0053] Optionally, in some embodiments, the switching valve assembly 2 includes two independent two-way solenoid valves, each performing different path control functions. One two-way solenoid valve is a normally closed two-way solenoid valve, and the other is a normally open two-way solenoid valve. The two ends of the normally closed two-way solenoid valve are connected to the adsorption assembly 1 and the negative pressure generating assembly 3, respectively, and are normally kept closed to block the path. The two ends of the normally open two-way solenoid valve are connected to the adsorption assembly 1 and the external environment, and are normally kept open to connect to the external environment. When the base station body 200 needs to be fixed, the switching valve assembly 2 is energized, the normally closed two-way solenoid valve opens to form a path between the adsorption assembly 1 and the negative pressure generating assembly 3, and the normally open two-way solenoid valve closes to block the entry of atmosphere, which helps to quickly form a vacuum adsorption. When it is necessary to release the adsorption, the switching valve assembly 2 is de-energized, the normally closed two-way solenoid valve automatically closes, and the normally open two-way solenoid valve automatically opens to allow atmosphere to enter the adsorption assembly 1, thereby achieving rapid depressurization.

[0054] Furthermore, as a preferred embodiment of the invention and not a limitation thereof, the switching valve assembly 2 is an integrated two-position three-way solenoid valve.

[0055] like Figures 1 to 13 The switching valve assembly 2 shown includes a first interface 21 connected to the adsorption assembly 1, a second interface 22 connected to the negative pressure generating assembly 3, and a third interface 23 connected to the external environment. When the switching valve assembly 2 is energized, the first interface 21 is connected to the second interface 22; when the switching valve assembly 2 is de-energized, the third interface 23 is connected to the first interface 21. Specifically, when the switching valve assembly 2 is powered on, the first interface 21 and the second interface 22 are connected, which can reduce the detour path of the airflow in the switching valve assembly 2, which is conducive to reducing negative pressure loss and allows the negative pressure generated by the negative pressure generating assembly 3 to be quickly and completely transferred to the adsorption assembly 1, so that the base station body 200 can quickly establish a stable adsorption, which helps to shorten the operation preparation time.

[0056] Furthermore, when the switching valve assembly 2 is de-energized, the third interface 23 connects to the first interface 21, which can quickly introduce external ambient air into the adsorption assembly 1, instantly balancing the internal air pressure without relying on a complex pressure relief structure, thereby allowing the base station body 200 to quickly release the adsorption, which is beneficial to improving the flexibility of use.

[0057] Furthermore, by setting a third interface 23 to connect with the external environment, the switching of the circuit after the switching valve assembly 2 is powered off is more intuitive, and the pressure relief can be completed automatically without additional control commands. This helps to reduce the user's operating threshold and reduce the risk of valve body malfunction.

[0058] like Figures 1 to 13 The adsorption assembly 1 shown includes a vacuum suction cup 11 and a pressure detector 12. The vacuum suction cup 11 has a vacuum adsorption chamber on the side near the working surface. The pressure detector 12 is connected to the vacuum adsorption chamber and is used to detect changes in the pressure inside the vacuum adsorption chamber. Furthermore, when the window cleaning machine 100 generates pulling force during high-altitude operation, or when there is slight vibration in the working environment, the air pressure in the vacuum adsorption chamber may fluctuate. The air pressure detector 12 can detect the air pressure change in the vacuum adsorption chamber. If the negative pressure value is found to be lower than the safety threshold, a signal can be fed back to the base station control system to trigger the negative pressure generating component 3 to replenish the pressure in time, ensuring that the vacuum suction cup 11 always maintains sufficient adsorption force, so that the base station can maintain stability under complex working conditions.

[0059] Optionally, in some embodiments, the air pressure detector 12 includes a mechanical vacuum pressure switch, which consists of an elastic diaphragm, a contact mechanism, and an adjustment knob. It is connected to the vacuum adsorption chamber through a metal conduit. When the negative pressure in the vacuum adsorption chamber reaches a set value, the elastic diaphragm is deformed by the pressure, causing the contact to open, indicating that the adsorption has reached the standard. If the negative pressure in the vacuum adsorption chamber drops, the elastic diaphragm resets, causing the contact to close, directly triggering the negative pressure generating component 3 to start pressure replenishment.

[0060] Furthermore, as a preferred embodiment of the invention and not a limitation thereof, the pressure detector 12 includes a pressure detection board. The pressure detection board integrates a miniature pressure sensing chip and a simple signal output circuit. It is directly connected to the vacuum adsorption chamber through an air guide hole. The pressure detection board is thin and light, which is beneficial for adapting to the compact structural design of the base station body 200. During operation, the sensing chip converts the pressure signal into an electrical signal in real time and transmits it to the main control module of the base station body 200 through wires. When the negative pressure is detected to be lower than the set threshold, the main control module is triggered to control the negative pressure generating component to replenish the pressure.

[0061] Specifically, the vacuum adsorption chamber refers to the sealed cavity located on the side of the vacuum suction cup 11 near the working surface. When the vacuum suction cup 11 is attached to the working surface or the ground, the cavity and the working surface together form a closed space. By drawing air out through the negative pressure generating component 3, the air pressure inside the cavity decreases to form a negative pressure, thereby generating an adsorption force, so that the base station body 200 is firmly anchored to the working surface.

[0062] Further, the adsorption assembly 1 includes a suction cup connector 13 and a clamping cover plate 14. The suction cup connector 13 is located on the side of the vacuum suction cup 11 near the vacuum adsorption chamber, and the clamping cover plate 14 is located on the side of the vacuum suction cup 11 away from the vacuum adsorption chamber. The suction cup connector 13 passes through the vacuum suction cup 11 and is connected to the clamping cover plate 14 to clamp and fix the vacuum suction cup 11. The air pressure detector 12 is mounted on the clamping cover plate 14 and communicates with the vacuum adsorption chamber through the suction cup connector 13. The connector 13 passes through the vacuum suction cup 11 and connects to the clamping cover plate 14. It firmly fixes the vacuum suction cup 11 by clamping, preventing the suction cup from shifting or falling off due to pulling force during base station operation, ensuring the airtightness of the vacuum adsorption chamber and providing a structural basis for stable adsorption. Secondly, the air pressure detector 12 is installed on the clamping cover plate 14 and is directly connected to the vacuum adsorption chamber through the suction cup connector 13. This helps to shorten the air pressure transmission path, reduce detection delay, and more accurately and in real time reflect the air pressure changes in the vacuum adsorption chamber, effectively improving the sensitivity and accuracy of negative pressure monitoring.

[0063] Furthermore, a pressure sealing cotton 121 is provided between the pressure detector 12 and the pressing cover plate 14; the pressure sealing cotton 121 can fill the assembly gap between the pressure detector 12 and the pressing cover plate 14, block the external air from entering the communication path between the pressure detector 12 and the suction cup connector 13 through the gap, avoid external air pressure interfering with the pressure detection of the vacuum adsorption chamber, which helps to ensure that the pressure data obtained by the pressure detector 12 is true and reliable, and helps to improve the accuracy of negative pressure monitoring.

[0064] Furthermore, the clamping cover plate 14 is provided with a connecting through hole 141, and the suction cup connector 13 includes a connecting extension 131 extending toward the clamping cover plate 14. The connecting extension 131 penetrates the vacuum suction cup 11 and communicates with the switching valve assembly 2 through the connecting through hole 141. After the connecting extension 131 penetrates the vacuum suction cup 11, it not only completes the clamping and fixing of the vacuum suction cup 11 with the clamping cover plate 14 through the through structure, but also directly communicates with the switching valve assembly 2 through the connecting through hole 141. There is no need to set up an additional independent air pipe or fixing component, so that the fixing of the adsorption assembly 1 and the air transmission share the same structure, which is beneficial to simplify the internal layout of the base station.

[0065] Furthermore, a gas connection pipe 4 is provided between the switching valve assembly 2 and the connecting extension 131. One end of the gas connection pipe 4 is connected to the switching valve assembly 2, and the other end of the gas connection pipe 4 is connected to the connecting extension 131, so that the vacuum adsorption chamber is connected to the switching valve assembly 2. The gas connection pipe 4 has a certain degree of flexibility and can flexibly adjust its direction according to the actual installation position of the switching valve assembly 2 and the adsorption assembly 1 inside the base station body 200. It does not require strict alignment of the interface positions of the two, which is conducive to adapting to the design scenario of dense components and compact space inside the base station body 200, and helps to reduce the assembly difficulty of the overall structure.

[0066] Furthermore, the gas path connecting pipe 4 includes a first connecting part 41 connected to the switching valve assembly 2 and a second connecting part 42 connected to the connecting extension part 131. The first connecting part 41 and the second connecting part 42 are connected at an angle and have rounded corners. The angled connection can avoid right-angle bends in the gas path, reduce the stagnation and loss of airflow at the interface, and allow the negative pressure generated by the negative pressure generating assembly 3 to be transmitted to the vacuum adsorption chamber more smoothly, which is beneficial to shortening the time for the base station body 200 to establish a stable adsorption. Secondly, the rounded corner setting further optimizes the airflow path, helps to avoid the impact of local turbulence on air pressure stability, and effectively ensures the continuous and reliable adsorption force.

[0067] like Figures 1 to 13 The switching valve assembly 2 shown is a two-position three-way solenoid valve; Furthermore, the two-position three-way solenoid valve has three ports that can be connected to the adsorption component 1, the negative pressure generating component 3, and the external environment respectively. There is no need to add multiple valves. By switching between "vacuum adsorption of adsorption component 1" and "de-vacuum adsorption of adsorption component 1" through two states of power on and power off, it is beneficial to reduce the number of valves and pipeline connections inside the base station body 200, which helps to simplify the overall structural layout, reduce the complexity of circuit control, and effectively reduce the number of failure points.

[0068] Furthermore, the two-position three-way solenoid valve relies on electromagnetic force to drive the valve core, and can instantly switch the path after power is turned on or off without the delay of mechanical transmission. Before the base station body 200 is operated, a vacuum can be quickly established to achieve stable adsorption; after the operation is completed, the vacuum adsorption can be released immediately without waiting for additional depressurization or pressure replenishment processes, which helps to shorten the interval between device start-up and shutdown and helps to improve the efficiency of cleaning operations.

[0069] like Figures 1 to 13 The base station body 200 shown also includes a power supply mechanism and a power digital display screen 205. The power digital display screen 205 is disposed on the base station housing 201 and is used to display the remaining power of the power supply mechanism. The power supply mechanism includes a built-in battery and / or a charging interface 206. The built-in battery is disposed in the second mounting cavity, and the charging interface 206 is disposed on the base station housing 201 and is used to connect an external charging device. Furthermore, the power supply mechanism includes a built-in battery and / or a charging interface, which can enable the base station body 200 to operate independently without an external power source through the built-in battery, or to continuously supply power through an external power source via the charging interface 206, and can also charge equipment such as the window cleaning machine 100.

[0070] Furthermore, the power digital display screen 205 is installed on the base station housing 201, which can intuitively display the remaining power of the power supply mechanism; when using the window cleaning machine base station, users can check the power digital display screen 205 at any time to understand the power status of the equipment.

[0071] Optionally, in some embodiments, the power supply mechanism is equipped with both a built-in battery and a charging interface 206. The built-in battery is installed in the second mounting cavity to provide independent power supply capability, and the charging interface 206 is located in the base station housing 201 to facilitate external power supply. This approach is beneficial for balancing flexibility and continuity: the built-in battery supports the base station body 200 to operate for a short period of time in scenarios without external power supply, and the charging interface 206 can meet the long-term fixed power supply requirements. At the same time, it can replenish the built-in battery or directly charge the window cleaning machine 100. Users can monitor the battery status through the power digital display screen 206, which helps to avoid the limitations caused by a single power supply method.

[0072] Optionally, in some embodiments, the power supply mechanism is equipped with only a built-in battery, which is integrated into the second mounting cavity. The power digital display screen 206 displays the remaining power in real time, so that the base station body 200 is freed from the constraints of an external power cord and can be flexibly placed in any position near a window, which is especially suitable for scenarios where it is not possible to obtain power nearby. The built-in battery provides power support for the base station body 200 and the window cleaning machine 100. Users can understand the battery status in time through the power digital display screen 205 and charge in advance to ensure continuous operation of the equipment.

[0073] Optionally, in some embodiments, the power supply mechanism only has a charging interface 206, which is exposed outside the base station housing 201 and directly supplies power to the base station body 200 through an external power source. This eliminates the need for a built-in battery, which helps reduce the overall weight and cost of the device. The charging interface 206 can stably provide continuous power to the base station body 200 and the window cleaning machine 100, avoiding maintenance problems caused by battery aging. Users do not need to worry about battery life; they only need to ensure that the charging interface 206 is properly connected to ensure stable operation of the device.

[0074] The overall working principle of a base station is as follows: When the window cleaning machine 100 is running, the base station body 200 initiates the adsorption process. Through the switching valve assembly 2, the negative pressure generation assembly 3, and the air pressure detector 12, the negative pressure is maintained, allowing the vacuum suction cup 11 to adsorb the working surface or ground, thereby fixing the base station body 200. When the window cleaning machine 100 is turned off, the base station body 200 initiates the depressurization process. The switching valve assembly 2 is reset and connected to the atmosphere to release the negative pressure, so that the base station body 200 can move, thereby realizing the automatic switching of "adsorption during operation and movement when stopped".

[0075] The working principle of vacuum suction cup pressure relief is as follows: The pressure relief of vacuum suction cup 11 is triggered by the shutdown of window cleaning machine 100. At this time, the two-position three-way solenoid valve, micro vacuum pump and air pressure detection board are simultaneously de-energized. After the two-position three-way solenoid valve is de-energized, it automatically resets. The circuit switches from "vacuum suction cup 11-micro vacuum pump" to "vacuum suction cup 11-external atmosphere". External air quickly enters the vacuum suction cup 11 through the two-position three-way solenoid valve to balance the air pressure in the vacuum adsorption chamber. The negative pressure disappears instantly, and the adsorption force of vacuum suction cup 11 on the working surface or ground is weakened, eliminating the fixed restriction and ensuring that the base station body 200 can be moved easily.

[0076] The working principle of vacuum suction cup adsorption is as follows: The vacuum suction cup 11 is activated by the operating signal of the window cleaning machine 100. The two-position three-way solenoid valve, the miniature vacuum pump, and the air pressure detection board are energized in sequence. After the two-position three-way solenoid valve is energized, the circuit is switched so that the vacuum suction cup 11 is connected to the miniature vacuum pump. At this time, the miniature vacuum pump is not working, but the circuit is closed and there is no venting channel. After the vacuum suction cup 11 is attached to the working surface or the ground, the internal air cannot be discharged, and an initial negative pressure is naturally formed, thereby providing a fixing force for the base station body 200.

[0077] The working principle of enhanced vacuum suction cup adsorption is as follows: After the vacuum suction cup 11 has been initially fixed by the initial negative pressure, the miniature vacuum pump connected to the two-position three-way solenoid valve is powered on and starts running. The miniature vacuum pump and the two-position three-way solenoid valve are connected to continuously extract air from the vacuum suction cup 11, which further reduces the air pressure in the vacuum adsorption chamber, increases the negative pressure value, and enhances the adsorption force accordingly. After running for a few seconds until the negative pressure reaches the preset intensity, the miniature vacuum pump stops working. At this time, a strong negative pressure has been formed inside the vacuum suction cup 11, which can resist the pulling force when the window cleaning machine 100 is working, and greatly improves the adsorption stability.

[0078] The working principle of the negative pressure generating component and the air pressure detector is as follows: The negative pressure generating component 3 (miniature vacuum pump) and the pressure detector 12 (pressure detection plate) work together through real-time monitoring and dynamic pressure replenishment. The pressure detector 12 is connected to the vacuum adsorption chamber, thus enabling continuous monitoring of pressure changes within the chamber. When the negative pressure drops below the safety threshold due to leakage or other reasons, the pressure detector 12 sends a signal to trigger the miniature vacuum pump to be powered on again, evacuating the vacuum adsorption chamber to replenish the negative pressure. After pressure replenishment is completed, the miniature vacuum pump pauses, while the pressure detector continues monitoring. This cycle repeats, ensuring that the negative pressure within the vacuum adsorption chamber remains within a stable range, thus preventing adsorption failure.

[0079] The above examples are merely illustrative of the technical content of the present invention to facilitate easier understanding by the reader, but do not imply that the implementation of the present invention is limited to these examples. Any technical extensions or re-creations made based on the present invention are protected by the present invention. The scope of protection of the present invention is defined by the claims.

Claims

1. A base station for a window cleaning machine (100) for connecting a window cleaning machine, characterized in that: The base station body (200) comprises a base station shell (201), a winding device and a vacuum suction device, the base station shell (201) is provided with a mounting cavity (202) and a mounting support (203) in the mounting cavity (202), the mounting cavity (202) comprises a first mounting cavity for accommodating a window cleaning machine (100) and a second mounting cavity arranged adjacent to the first mounting cavity, the winding device is arranged on the mounting support (203) and located on the side of the mounting support (203) close to the second mounting cavity, the winding device is used for winding a wire (90) between the base station body (200) and the window cleaning machine (100), and the vacuum suction device is used for suction fixing the base station body (200) to a working surface, the winding device comprises a take-up reel support (4), a disc motor (5) and a take-up disc (6), the disc motor (5) and the take-up disc (6) are respectively mounted on both sides of the take-up reel support (4), the take-up disc (6) is rotationally connected with the take-up reel support (4), the wire (90) is wound on the outer periphery of the take-up disc (6), and the disc motor (5) is used for driving the take-up disc (6) to rotate relative to the take-up reel support (4) to wind and unwind the wire (90) on the outer periphery of the take-up disc (6).

2. A base station for a window cleaning robot according to claim 1, characterised in that: The take-up disc (6) is provided with a wire end fixing cavity (61) and a wire outlet (62), the wire end fixing cavity (61) is in communication with the wire outlet (62), one end of the wire (90) is fixed in the wire end fixing cavity (61) and wound on the outer periphery of the take-up disc (6) through the wire outlet (62).

3. A base station for a window cleaning robot according to claim 1, characterized in that: The take-up disc (6) is provided with a winding groove (63), and the winding groove (63) is provided with a winding ring (64).

4. A base station for a window cleaning robot according to claim 1, characterized in that: The take-up disc (6) is provided with a centrifugal brake mechanism (67), the mounting support (203) is provided with a stop mechanism (204) used for cooperating with the centrifugal brake mechanism (67), the centrifugal brake mechanism (67) comprises a centrifugal brake clamping block (671) and a return spring (672), one end of the centrifugal brake clamping block (671) is hinged to the take-up disc (6), and the other end of the centrifugal brake clamping block (671) is connected with the take-up disc (6) through the return spring (672); the centrifugal brake clamping block (671) has a retracted state and an expanded state, when the centrifugal brake clamping block (671) is in the retracted state, the centrifugal brake clamping block (671) is attached to the surface of the take-up disc (6); when the centrifugal brake clamping block (671) is in the expanded state, the centrifugal brake clamping block (671) protrudes from the surface of the take-up disc (6) and is clamped with the stop mechanism (204) to limit the rotation of the take-up disc (6).

5. A window cleaning machine base station according to claim 1, wherein: The mounting support (203) is provided with a rotation detection assembly (91), a plurality of detection teeth (68) are arranged on the side of the take-up disc (6) away from the take-up disc support (4), the detection teeth (68) are arranged at intervals along the circumferential direction of the take-up disc (6), and the rotation detection assembly (91) senses the passing of the detection teeth (68) when the take-up disc (6) rotates, so as to detect the rotation number of the take-up disc (6).

6. A window cleaning machine base station according to claim 1, wherein: The vacuum adsorption device comprises an adsorption assembly (1), a switching valve assembly (2) and a negative pressure generating assembly (3), the adsorption assembly (1) is communicated with the negative pressure generating assembly (3) or an external environment through the switching valve assembly (2), the switching valve assembly (2) has two working states of power-on and power-off; when the switching valve assembly (2) is in the power-on state, the adsorption assembly (1) is communicated with the negative pressure generating assembly (3), so that the adsorption assembly (1) is vacuum adsorbed on the working surface; when the switching valve assembly (2) is in the power-off state, the adsorption assembly (1) is communicated with the external environment, so as to release the vacuum adsorption of the adsorption assembly (1) on the working surface.

7. A window cleaning machine base station according to claim 6, characterised in that: The switching valve assembly (2) comprises a first interface (21) connected with the adsorption assembly (1), a second interface (22) connected with the negative pressure generating assembly (3), and a third interface (23) connected with the external environment; when the switching valve assembly (2) is in the power-on state, the first interface (21) is communicated with the second interface (22); when the switching valve assembly (2) is in the power-off state, the third interface (23) is communicated with the first interface (21).

8. A window cleaning machine base station according to claim 6, characterised in that: The adsorption assembly (1) comprises a vacuum chuck (11) and a gas pressure detector (12), the side of the vacuum chuck (11) close to the working surface is provided with a vacuum adsorption cavity, and the gas pressure detector (12) is communicated with the vacuum adsorption cavity and is used for detecting the change of the air pressure in the vacuum adsorption cavity.

9. A window cleaning machine base station according to claim 6, wherein: The switching valve assembly (2) is a two-position three-way electromagnetic valve.

10. A window cleaning machine base station according to claim 1, wherein: The base station body (200) further comprises a power supply mechanism and an electric quantity digital display screen (205), the electric quantity digital display screen (205) is arranged on the base station shell (201) and is used for displaying the residual electric quantity of the power supply mechanism, the power supply mechanism comprises a built-in battery and / or a charging interface (206), the built-in battery is arranged in the second mounting cavity, and the charging interface (206) is arranged on the base station shell (201) and is used for external charging equipment.

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