WO2017028709A1

WO2017028709A1 - Automatic cleaning device and air conditioner

Info

Publication number: WO2017028709A1
Application number: PCT/CN2016/094154
Authority: WO
Inventors: 余杰彬; 梁志辉
Original assignee: 珠海格力电器股份有限公司
Priority date: 2015-08-14
Filing date: 2016-08-09
Publication date: 2017-02-23
Also published as: CN105170569A; CN105170569B

Abstract

An automatic cleaning device and air conditioner. The automatic cleaning device is configured to remove dust of a member to be cleaned, and comprises: a dust removal fan (1), air tubes (2), a direction adjusting device (5) and a dust removal mechanism (6). The dust removal mechanism (6) is provided with at least two independent dust removal chambers having a dust removal opening (63). Each of the dust removal chambers is in communication with a corresponding air tube (2) respectively. A projected length of the dust removal opening (63) on a surface to be cleaned is smaller than the length of the surface to be cleaned. The dust removal fan (1) switches between the air tubes (2) in communication with respective dust removal chambers via the direction adjusting device (5). By disposing, on the dust removal mechanism, the at least two independent dust removal chambers having the dust removal opening and disposing the direction adjusting device to switch the connection of the dust removal fan to respective air tubes in communication with the dust removal chambers, the dust removal fan performs vacuuming on respective dust removal chambers separately. In addition, the projected length of the dust removal opening on the surface to be cleaned is shorter than the length of the surface to be cleaned, such that a dust removing air pressure at the dust removal opening of each dust removal chamber is increased, thus improving the cleaning effect of the automatic cleaning device.

Description

Automatic cleaning device and air conditioner

The present application claims priority to Chinese Patent Application No. 201510500374.4, the entire disclosure of which is incorporated herein by reference.

Technical field

The invention relates to the field of automatic cleaning and dust removal technology, in particular to an automatic cleaning device and an air conditioner.

Background technique

After the air conditioner is used for a long time, the air filter installed at the air inlet position will be stained with a lot of dust, causing the air of the filter to be blocked or not smooth, affecting the working effect of the air conditioner, and the cooling and heating capacity will be significantly reduced. At present, the existing air conditioner filter has the following two basic automatic cleaning methods: (1) the filter moves, and the cleaning components do not move. This type of movement does not guarantee the gap between the filter screen and the cleaning component. Moreover, due to the cooperation of the mechanism, the filter screen cannot leave the driving component during the movement, and is restricted by the air conditioning structure space. Some parts of the filter mesh cannot pass through the cleaning component, which affects the cleaning. effect. (2) The cleaning parts move and the filter does not move. For example, in the prior art, there is an air conditioner with a function of automatically cleaning an air filter, which utilizes a drive shaft connected to a drive source, a worm wheel slidably mounted on the drive shaft and slid integrally with the suction nozzle, and a worm wheel The meshed rack constitutes a driving mechanism for driving the suction nozzle, and then the dust at the suction nozzle is sucked by the exhaust fan, and the suction nozzle forms a film-like belt having a predetermined width, and since the film-like belt has a large area, the The air filter has a large requirement on the suction of the fan, and the dust removal effect is difficult to ensure. If the output power of the fan is increased in order to improve the dust removal effect, the size of the motor that drives the fan will increase, which will increase the air filter. The overall size does not meet the miniaturization requirements of air filters.

Summary of the invention

In order to overcome the above technical deficiencies, the technical problem to be solved by the present invention is to provide an automatic cleaning device and an air conditioner, which can improve the cleaning effect.

In order to solve the above technical problems, the present invention provides an automatic cleaning device for treating a cleaning member Performing dust removal, comprising: a dust suction fan, a air duct, a reversing device, and a dust removing mechanism capable of moving relative to a surface to be cleaned of the member to be cleaned, the dust removing mechanism is provided with at least two independent vacuum chambers having a dust suction port Each of the dust collection chambers is in communication with each of the corresponding air ducts, and the projection length of the dust suction port on the surface to be cleaned is smaller than the length of the surface to be cleaned, and the air suction fan is connected to the air ducts connected to the respective dust suction chambers through the reversing device. Switch between.

In this basic technical solution, by disposing at least two independent dust suction chambers having a dust suction port on the dust removing mechanism and switching the air ducts of the dust suction fan and the respective dust suction chambers by providing a reversing device Connected, the dust suction fan independently draws the respective dust suction chambers, and the dust suction port is designed such that the projection length on the surface to be cleaned is smaller than the length of the surface to be cleaned, and the size of the dust suction port is reduced and increased. The dust suction pressure of the dust suction ports of the respective dust collection chambers makes the dust on the parts to be cleaned more easily absorbed, which greatly improves the cleaning effect of the automatic cleaning device.

Further, each of the dust suction ports on the dust removing mechanism is arranged along the intersecting direction of the moving direction of the dust removing mechanism.

In the improved technical solution, each of the dust suction ports is arranged on the dust removing mechanism in the intersecting direction of the moving direction thereof, and the dust suction ports at different positions during the movement of the dust removing mechanism correspond to the positions of the parts to be cleaned. The dust is divided and removed to improve the cleaning efficiency of the automatic cleaning device while ensuring the cleaning effect.

Preferably, in the intersecting direction of the moving direction of the dust removing mechanism, there is an overlapping portion between the respective dust collecting ports to cover the entire dust collecting range of the surface to be cleaned during the movement of the dust removing mechanism.

In the preferred technical solution, there is an overlapping portion between the respective dust suction ports in the intersecting direction of the moving direction of the dust removing mechanism, so that there is no gap between the respective dust suction ports in the intersecting direction, and the movement process of the dust removing mechanism is ensured. The middle suction port can completely absorb all the dust on the surface to be cleaned.

Further, the surface of the bent portion on the inner wall of the dust suction chamber is configured to be tangent to the wind direction of the dust suction wind flowing through the bent portion.

In the improved technical solution, the surface of the bent portion on the inner wall of the dust suction chamber is designed to be tangential to the direction of the dust suction wind, thereby ensuring that the dust sucked into the dust chamber during the dust suction process is smoothly and smoothly Enter the air duct to effectively reduce the vibration and noise caused by dust clogging.

Further, the automatic cleaning device further includes a walking track arranged along a moving direction of the dust removing mechanism, A traveling wheel and a driving motor disposed on the dust removing mechanism drive the traveling wheel to travel on the traveling rail to move the dust removing mechanism relative to the surface to be cleaned.

In the improved technical solution, the driving motor drives the traveling wheel to walk on the traveling track, and the walking of the traveling wheel drives the movement of the dust removing mechanism relative to the surface to be cleaned of the member to be cleaned. The driving mechanism of the form is easy to implement and is driven. High stability and stable work stability.

Preferably, the walking wheel is a spur gear and the walking track is a straight rack that meshes with the spur gear.

In the preferred technical solution, the contact between the traveling wheel and the traveling track is selected by the meshing manner of the rack and pinion, and the gear rack has high transmission stability and good reliability.

Further, the automatic cleaning device further comprises a sliding guide rod erected at two ends of the member to be cleaned, the sliding guide rod passes through a side of the dust removing mechanism close to the traveling wheel, and the sliding guiding rod supports and guides the dust removing mechanism.

In the improved technical solution, the sliding guide rods erected on both ends of the member to be cleaned and passed through the side of the dust removing mechanism close to the traveling wheel support and guide the dust removing mechanism, and the movement stability and reliability of the dust removing mechanism are effectively effective. Guarantee.

Further, the automatic cleaning device further includes a roller and a guide rail for guiding the roller, the roller is disposed at an end of the dust removing mechanism away from the traveling wheel, and the roller supports and guides the dust removing mechanism.

In the improved technical solution, the roller and the guide rail disposed on one end of the dust removing mechanism away from the traveling wheel support and guide the dust removing mechanism, and the cooperation of the roller and the guide rail can reduce the friction between the dust removing mechanism and the component to be cleaned, so that the dust is removed. The mechanism is easy to slide relative to the member to be cleaned, and the movement stability and reliability of the dust removing mechanism are further improved.

Further, a side of the dust removing mechanism near the surface to be cleaned is provided with a brush for cleaning dust on the surface to be cleaned.

In the improved technical solution, the brush provided on the side of the dust removing mechanism near the surface to be cleaned can clean the dust on the cleaning surface during the movement of the dust removing mechanism, so that the dust is easily detached and absorbed into the dust collecting chamber from the dust suction port. The room has a significantly improved cleaning effect and high reliability.

Preferably, the reversing device is a pneumatic electromagnetic reversing valve.

In the preferred technical solution, the reversing device adopts an automatically controlled pneumatic electromagnetic reversing valve, and the suction fan is convenient for switching independent air ducts connected to the respective vacuum chambers, is easy to implement, and has high degree of automation control.

The present invention also provides an air conditioner having the above-described automatic cleaning device, the cleaning member being a filter mesh of the air conditioner.

In the basic technical solution, the automatic cleaning device described above is particularly suitable for dust removal and cleaning of the filter screen of the air conditioner.

Therefore, based on the above technical solution, the present invention provides an automatic cleaning device and an air conditioner, which are provided with at least two independent suction chambers having a suction port on the dust removing mechanism and by reversing The device switches the connection between the dust suction fan and the air duct that communicates with each of the dust suction chambers, and the dust suction fan separately performs independent air suction on each of the dust suction chambers, and the dust suction port is designed such that the projection length on the surface to be cleaned is smaller than The length of the surface to be cleaned, the size of the suction port is reduced, and the dust pressure of the dust suction port of each dust collection chamber is increased, so that the dust on the parts to be cleaned is more easily sucked out, and the automatic cleaning is greatly improved. The cleaning effect of the device. The air conditioner provided by the present invention also has the above-described advantageous technical effects.

DRAWINGS

The drawings are intended to provide a further understanding of the invention, and are intended to be a part of the invention. In the drawing:

1 is a schematic perspective view showing an embodiment of an automatic cleaning device of the present invention installed on an air conditioner;

2 is a schematic front elevational view showing an embodiment of an automatic cleaning device of the present invention installed on an air conditioner;

Figure 3 is a bottom plan view showing an embodiment of the automatic cleaning device of the present invention installed on an air conditioner;

Figure 4 is a top plan view showing an embodiment of the automatic cleaning device of the present invention installed on an air conditioner;

Figure 5 is a schematic view showing the left side structure of an embodiment of the automatic cleaning device of the present invention installed on an air conditioner;

6 is a partial structural schematic view of an embodiment of an automatic cleaning device of the present invention;

Figure 7 is another partial structural view of an embodiment of the automatic cleaning device of the present invention;

Figure 8 is an enlarged schematic view of the circled portion of Figure 6.

detailed description

The technical solution of the present invention will be further described in detail below through the accompanying drawings and embodiments.

The specific embodiments of the present invention are for facilitating the concept of the present invention, the technical problems solved, The technical features and technical effects of the technical solutions are further explained. It should be noted that the description of these embodiments is not intended to limit the invention. Further, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not constitute a conflict with each other.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", The orientation or positional relationship of the "top", "bottom", "inside", "outside" and the like is based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and a simplified description, rather than indicating or implying The device or component referred to must have a particular orientation, is constructed and operated in a particular orientation, and thus is not to be construed as limiting the scope of the invention.

Because the structure of the cleaning device used in the existing air conditioner is relatively complicated, the working environment is more demanding, the overall cleaning effect is not satisfactory, and further improvement is required. The present invention designs an automatic cleaning device, which The dust removing mechanism is provided with at least two independent dust suction chambers having a dust suction port and is provided with a reversing device to switch the connection between the dust suction fan and the air ducts communicating with the respective dust suction chambers, and the dust suction fan separately vacuums each The chamber is independently ventilated, and the dust suction port is designed such that the projection length on the surface to be cleaned is smaller than the length of the surface to be cleaned, the size of the suction opening is reduced, and the dust suction opening of each vacuum chamber is increased. The dust pressure is applied, so that the dust on the parts to be cleaned is more easily sucked out, which greatly improves the cleaning effect of the automatic cleaning device.

In an exemplary embodiment of the automatic cleaning device of the present invention, as shown in FIG. 1 to FIG. 7, the automatic cleaning device is used for dust removal of a cleaning member, which includes: a suction fan 1, a duct 2, and a reversing direction. The device 5 and the dust removing mechanism 6 capable of moving relative to the surface to be cleaned of the member to be cleaned, the dust removing mechanism 6 is provided with at least two independent dust collecting chambers (not shown) having a dust suction port 63, each vacuuming The chamber is connected with its corresponding air duct 2, the number of the air duct 2 is equal to the number of the dust suction chamber, the projection length of the dust suction port 63 on the surface to be cleaned is smaller than the length of the surface to be cleaned, and the dust suction fan 1 is replaced. The device 5 is switched between the ducts 2 that communicate with each of the dust collection chambers.

In the exemplary embodiment, the dust suction fan 1 serves as a wind source for exhausting and dusting, and the dust suction chamber is evacuated through the air duct 2. Wherein, the dust removing mechanism 6 can be designed as a bracket spanning the surface to be cleaned as shown in FIG. 1. In this embodiment, a driving mechanism can be provided to drive the dust removing mechanism 6 to move relative to the surface to be cleaned of the member to be cleaned; The cleaning member is a filter of the air conditioner. Correspondingly, the surface to be cleaned is the surface where the filter is located. Of course, the automatic cleaning device of the present invention can also be applied to other industrial or mechanical devices. For example, it can be applied to a tobacco drying machine, a clothes dryer or an air filter. The automatic cleaning device switches the air duct 2 in which the suction fan 1 communicates with each of the dust collection chambers by providing at least two independent suction chambers having the suction ports 63 on the dust removing mechanism 6 and by providing the reversing device 5. The number of the air ducts 2 is equal to the number of the dust suction chambers, that is, if two dust collecting chambers are provided, the air duct 2 is also set to two, the dust collecting chamber is set to three, and the air duct 2 is also set to three. One. The dust suction fan 1 separately performs independent air suction on each of the dust collection chambers, and the dust suction port is designed such that the projection length on the surface to be cleaned is smaller than the length of the surface to be cleaned, and the size of the dust suction port 63 is reduced and increased. The dust pressure of the dust suction port 63 of each of the dust collection chambers makes the dust on the parts to be cleaned more easily absorbed, greatly improving the cleaning effect of the automatic cleaning device. Further, as shown in FIG. 8, the side of the dust removing mechanism 6 near the surface to be cleaned is provided with a brush 64 for cleaning dust on the surface to be cleaned, and the brush 64 can perform dust on the surface to be cleaned during the movement of the dust removing mechanism 6. The cleaning makes the dust easy to fall off and is absorbed into the vacuum chamber from the suction port, and the cleaning effect is remarkably improved, and the reliability is high. The length of each of the brushes 64 can be designed to be equal to the corresponding suction port 63, so that the brush 64 can be effectively utilized, which saves manufacturing costs. On the other hand, the reversing device 5 is preferably a pneumatic electromagnetic reversing valve, and the pneumatic electromagnetic reversing valve can conveniently switch the independent fan of the suction fan to communicate with each of the suction chambers, which is easy to implement and has a high degree of automation control. Of course, the reversing device 5 can also be other conventional airflow reversing components.

As a modification of the above-described exemplary embodiment, as shown in Figs. 6 and 8, the respective dust suction ports 63 on the dust removing mechanism 6 are arranged in the intersecting direction of the moving direction of the dust removing mechanism 6. Each of the dust suction ports 63 may be in the form of a segmented step type in the direction of the movement along the moving direction of the dust removing mechanism 6 as shown in FIG. 8, or may be a segmented linear type structure, or may be a segmental alternating. The ladder type structure. The dust suction port 63 at different positions during the movement of the dust removing mechanism 6 performs segmental suction of the dust corresponding to the position of the member to be cleaned, thereby improving the cleaning efficiency of the automatic cleaning device while ensuring the improvement of the cleaning effect.

In the modified exemplary embodiment, as shown in Fig. 8, in the intersecting direction of the moving direction of the dust removing mechanism 6, there is preferably an overlap portion between the respective dust suction ports 63 to enable the movement of the dust removing mechanism 6 during the movement of the dust removing mechanism 6. Cover all the dust collection area of the surface to be cleaned. There is an overlapping portion between the respective dust suction ports 63 in the intersecting direction of the moving direction of the dust removing mechanism, so that there is no space between the respective dust suction ports 63 in the intersecting direction, thereby ensuring the dust suction port during the movement of the dust removing mechanism. 63 can fully absorb The cleaning effect is further improved by cleaning all the dust on the surface.

As a modification of the above preferred exemplary embodiment, the surface of the bent portion (not shown) on the inner wall of the dust suction chamber is configured to be tangent to the wind direction of the dust suction wind flowing through the bent portion. The internal structure of the dust suction chamber is designed into the structure, which can ensure that the dust sucked into the dust suction chamber during the dust suction process can smoothly enter the air duct, thereby effectively reducing the vibration and noise caused by the dust clogging.

As a preferred implementation of the movement of the dust removing mechanism 6 relative to the surface to be cleaned in the above embodiment, as shown in FIGS. 6 to 8, the automatic cleaning device further includes a walking rail 4 disposed along the moving direction of the dust removing mechanism 6, and a setting. On the traveling wheel 61 and the driving motor (not shown) on the dust removing mechanism 6, the driving motor drives the traveling wheel 61 to travel on the traveling rail 4 to move the dust removing mechanism 61 with respect to the surface to be cleaned of the member to be cleaned. The driving motor drives the traveling wheel 61 to travel on the traveling rail 61. The traveling rail 61 is erected at both ends of the member to be cleaned, and the walking of the traveling wheel 61 drives the movement of the dust removing mechanism 6 relative to the surface to be cleaned of the member to be cleaned. The form of the drive mechanism is easy to implement, and the drive stability is high, and the work stability is effectively guaranteed. Of course, the movement of the dust removing mechanism 6 relative to the surface to be cleaned can also be achieved by a combination of parts of the belt or other structural form.

As a further preferred embodiment, as shown in FIGS. 6 to 8, the traveling wheel 61 is a spur gear, the traveling rail 4 is a straight rack that meshes with the spur gear, and the contact between the traveling wheel 61 and the traveling rail 4 is selected as a gear tooth. The meshing mode of the strip, the gear rack has high transmission stability and good reliability. Of course, the traveling wheel 61 may be a structure provided with a rib, the traveling rail 4 is a structure provided with a groove that meshes with the rib; the traveling wheel 61 may also be a rubber wheel, and the traveling rail 4 is provided with a rough surface, and the traveling rail 4 is provided with a rough surface. The static friction of the rubber wheel and the rough surface drives the dust removing mechanism 6.

In order to ensure stable and reliable movement of the dust removing mechanism 6, as shown in FIGS. 1 to 8, the automatic cleaning device further includes a sliding guide rod 3 which is erected on both ends of the member to be cleaned, and the sliding guide rod 3 passes through the dust removing mechanism 6 near the traveling wheel 61. On one side, the sliding guide 3 supports and guides the dust removing mechanism 6. The sliding guide 3 supports and guides the dust removing mechanism 6, and the movement stability and reliability of the dust removing mechanism are effectively ensured. Further, the automatic cleaning device further includes a roller 62 and a guide rail 7 for guiding the roller 62. The guide rail 7 can be designed as two upper and lower U-shaped grooves, and the roller 62 is embedded between the two U-shaped grooves for high guiding stability. The roller 62 is disposed at one end of the dust removing mechanism 6 away from the traveling wheel 61. The roller 62 supports and guides the dust removing mechanism 6. The cooperation of the roller 62 and the guide rail 7 can reduce the friction between the dust removing mechanism 6 and the member to be cleaned. The movement of the dust removing mechanism 6 with respect to the member to be cleaned is facilitated, and the smoothness and reliability of the movement of the dust removing mechanism 6 are further improved.

The present invention also provides an air conditioner having the automatic cleaning device of the above embodiment, the cleaning member being a filter screen of the air conditioner. Since the automatic cleaning device of the present invention can at least improve the cleaning effect, the air conditioner having the automatic cleaning device correspondingly has the above-mentioned beneficial technical effects, and details are not described herein again. The automatic cleaning device is particularly suitable for dust removal and cleaning of the air filter of the air conditioner.

Therefore, with reference to FIG. 1 and FIG. 8 , the cleaning process of the filter net of an embodiment of the air conditioner of the present invention is described by taking the dust suction port 63 as two examples as follows:

When the traveling wheel 61 drives the dust removing mechanism 6 to move to the first position under the driving of the driving motor, the reversing device 5 communicates the dust removing fan 1 with the first dust removing chamber having the first dust collecting port 63-1, and the dust removing mechanism During the movement of 6, the dust on the filter net enters the first dust removal chamber through the first suction port 63-1, and then enters the air duct 10, and finally is taken away by the suction fan 1; when the dust removal mechanism 6 is from the filter net After the side moves to the other side, after the dust on the filter position corresponding to the first dust suction port 63-1 is cleaned, the dust removing mechanism 6 can be returned to the initial movement position first, or can be directly returned without returning to the initial movement position. In the switching process, the reversing device 5 communicates the dust removing fan 1 with the second dust removing chamber having the second dust collecting port 63-2. During the movement of the dust removing mechanism 6, the dust on the filtering net passes through the second dust collecting port 63. -2 enters the second dust removal chamber, then enters the air duct 10, and is finally carried away by the suction fan 1. In this process, the brush 9 provided at the bottom of the dust removing mechanism 6 allows dust to be more easily sucked away by the suction fan.

The embodiments described above are described in detail for the embodiments of the present invention, but the present invention is not limited to the described embodiments. For example, the suction ports 63 may be provided in plurality to obtain a better cleaning effect. It will be apparent to those skilled in the art that various changes, modifications, equivalents, and variations of the embodiments may be made without departing from the spirit and scope of the invention.

Claims

An automatic cleaning device for dusting a cleaning member, comprising: a suction fan (1), a duct (2), a reversing device (5), and a to-be-cleanable member a dust removing mechanism (6) for moving the cleaning surface, the dust removing mechanism (6) is provided with at least two independent dust collecting chambers having a dust suction port (63), each of the dust collecting chambers corresponding thereto The air duct (2) is connected, the projection length of the dust suction port (63) on the surface to be cleaned is smaller than the length of the surface to be cleaned, and the dust suction fan (1) passes through the reversing device (5) Switching between the ducts (2) in communication with each of the suction chambers.
The automatic cleaning device according to claim 1, characterized in that each of the dust suction ports (63) is arranged in a crossing direction of a moving direction of the dust removing mechanism (6).
The automatic cleaning device according to claim 2, characterized in that in the intersecting direction of the moving direction of the dust removing mechanism (6), there is an overlapping portion between each of the dust suction ports (63) for the dust removal The entire cleaning range of the surface to be cleaned can be covered during the movement of the mechanism (6).
The automatic cleaning device according to any one of claims 1 to 3, characterized in that the surface of the bent portion on the inner wall of the dust suction chamber is configured to be connected to the dust suctioning wind flowing through the bent portion The wind is tangential.
The automatic cleaning device according to any one of claims 1 to 3, further comprising a traveling rail (4) arranged along a moving direction of the dust removing mechanism (6), and being disposed at the dust removing mechanism (6) a traveling wheel (61) and a driving motor, the driving motor driving the traveling wheel (61) to walk on the traveling rail (4) to make the dust removing mechanism (61) relative to the surface to be cleaned motion.
The automatic cleaning device according to claim 5, characterized in that the traveling wheel (61) is a spur gear, and the traveling rail (4) is a straight rack that meshes with the spur gear.
The automatic cleaning device according to claim 5, further comprising a sliding guide (3) erected at both ends of the member to be cleaned, the sliding guide (3) passing through the dust removing mechanism (6) On the side close to the traveling wheel (61), the sliding guide (3) supports and guides the dust removing mechanism (6).
The automatic cleaning device according to claim 5, further comprising a roller (62) And a guide rail (7) for guiding the roller (62), the roller (62) is disposed on an end of the dust removing mechanism (6) away from the traveling wheel (61), the roller (62) Supporting and guiding the dust removing mechanism (6).
The automatic cleaning device according to any one of claims 1 to 3, characterized in that the dust removing mechanism (6) is provided with a brush for cleaning dust on the surface to be cleaned on a side close to the surface to be cleaned. (64).
The automatic cleaning device according to any one of claims 1 to 3, characterized in that the reversing device (5) is a pneumatic electromagnetic reversing valve.
An air conditioner comprising the automatic cleaning device according to any one of claims 1 to 10, wherein the member to be cleaned is a filter of the air conditioner.