CN219218465U - Filtering module and washing equipment - Google Patents
Filtering module and washing equipment Download PDFInfo
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- CN219218465U CN219218465U CN202223179998.5U CN202223179998U CN219218465U CN 219218465 U CN219218465 U CN 219218465U CN 202223179998 U CN202223179998 U CN 202223179998U CN 219218465 U CN219218465 U CN 219218465U
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- 238000005406 washing Methods 0.000 title claims abstract description 109
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- 238000001514 detection method Methods 0.000 claims abstract description 52
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 131
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The utility model belongs to the technical field of washing equipment, and discloses a filtering module and washing equipment, wherein the filtering module comprises: the filtering device is provided with a sewage outlet for discharging sewage carrying filtered impurities; the sewage receiving device is internally provided with a collecting assembly, the collecting assembly is provided with a collecting cavity for collecting filtered impurities in sewage, and the collecting cavity is communicated with a sewage outlet of the filtering device; and the position detection device is used for detecting whether the collecting assembly is installed in place in the sewage receiving device. According to the utility model, the position detection device can be used for judging whether the collecting component in the sewage receiving device is installed in place, so that the problem that the effective collection of the filtered impurities cannot be realized when the collecting component is not installed or is not installed in place is avoided.
Description
Technical Field
The utility model belongs to the technical field of washing equipment, and particularly relates to a filtering module and washing equipment.
Background
A washing apparatus for washing laundry, such as a washing machine, may cause laundry to be chipped off and mixed into washing water due to friction between the laundry and the washing machine itself during washing of the laundry. If the lint in the washing water cannot be removed, the lint is likely to adhere to the surface of the laundry after the washing is completed, and the washing effect of the laundry is likely to be affected. For this reason, a filter for filtering lint is installed in the conventional washing machine, and the lint is removed from the washing water by passing the washing water through the filter continuously during the washing process.
However, the filtered impurities such as the filigree and the like are accumulated in the filter continuously, and if the filigree and the like are not cleaned for a long time, bacteria in the filter may be bred, and the clothes are polluted. In order to eliminate the trouble of manually disassembling the filter for cleaning by a user, a filter with a self-cleaning function is proposed in the prior art, which can autonomously clean the accumulated filtered impurities therein and discharge the filtered impurities along with water flow.
However, in recent years, the concept of microplastic has been proposed and increasingly paid attention to in the field of environmental protection. It has been found that an important source of microplastic is wastewater discharged from domestic washing machines. The micro plastic mixed with natural water environment is formed by the fact that the clothing fibers falling off in the washing process are discharged along with the drainage water flow of the washing machine along with the popularization of chemical fiber fabrics. The micro-plastic directly enters the ecological cycle along with the drainage water flow, and finally accumulates in the human body through a natural biological chain, so that the human health can be influenced. For this reason, related standards have been established in some areas for the content of microplastic in the drain water of washing machines. The filter with the self-cleaning function can directly discharge the cleaned filtered impurities along with the water flow, and the filtered impurities often contain a large amount of microplastic, so that the problem that the content of the microplastic in the water flow of the washing machine is too high and the discharge standard cannot be met is caused.
Therefore, there is a need for a solution that can treat the filtered impurities discharged by the filtering device, for example, to intercept the filtered impurities in the water flow for the drainage after the self-cleaning of the filtering device, and prevent the filtered impurities from entering the drainage water flow of the washing machine. However, the structure for intercepting the filtered foreign substances often requires a user to take down for cleaning and reinstall it into the washing machine after the cleaning is completed. If the user fails to install the structure in place or forgets to install the structure, the problem that the filtered impurities cannot be successfully intercepted and the content of microplastic in the drainage water flow of the washing machine exceeds the standard may occur.
In view of this, the present utility model has been made.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, provides a filtering module and washing equipment, and aims at a sewage receiving device for receiving discharged sewage of a filtering device, so that the autonomous detection of the installation condition of a collecting component in the sewage receiving device can be realized, and the influence on the collecting effect of filtering impurities in the sewage when the collecting component is not installed or is not installed in place is avoided.
In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:
a filtration module, comprising:
the filtering device is provided with a sewage outlet for discharging sewage carrying filtered impurities;
the sewage receiving device is internally provided with a collecting assembly, the collecting assembly is provided with a collecting cavity for collecting filtered impurities in sewage, and the collecting cavity is communicated with a sewage outlet of the filtering device;
and the position detection device is used for detecting whether the collecting assembly is installed in place in the sewage receiving device.
Further, the sewage receiving device comprises a containing shell, and the collecting assembly is arranged inside the containing shell;
the position detection device comprises a detection element/detected element arranged on the accommodating shell and a detected element/detected element arranged on the collecting assembly.
Further, the detecting element is a reed pipe arranged on the accommodating shell, and the detected element is a magnetic piece arranged on the collecting assembly;
the position detection device further comprises a detection circuit, and the reed switch is arranged on the detection circuit; when the collecting assembly is installed in place in the sewage receiving device, the reed switch conducts the detection circuit under the action of the magnetic piece.
Further, the reed switch is arranged on the outer side of the accommodating shell and is attached to the outer wall of the accommodating shell.
Further, the collection assembly comprises a collection cavity wall surrounding the collection cavity, and the magnetic piece is embedded and arranged inside the collection cavity wall.
Further, the filter device also comprises a drain pipeline, one end of the drain pipeline is connected with a drain outlet of the filter device, and the other end of the drain pipeline penetrates through the side wall of the accommodating shell and is communicated with a collecting cavity of the collecting assembly;
the detection element is arranged on the side wall of the accommodating shell, through which the sewage pipeline passes; the detected element is arranged on the collecting assembly and is positioned on one side of the collecting assembly, which is communicated with the sewage discharge pipeline.
A washing apparatus comprising the filtration module described above.
By adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects.
In the utility model, the filtering module comprises a position detection device which can detect whether the collecting component in the sewage receiving device is installed in place. When the filter module is applied to the washing equipment, the washing equipment only runs the washing program when judging that the collecting assembly is installed in place, so that the problem that the filter impurities cannot be effectively collected due to the fact that the collecting assembly is installed in error is avoided.
According to the utility model, the reed switch is matched with the magnetic part to realize the detection of whether the collecting assembly is installed in place, so that the structure is simple and the implementation is easy. The reed switch is arranged on the outer side of the accommodating shell, so that the possible damage caused by the contact of the reed switch and sewage is avoided. The magnetic piece is embedded into the collecting cavity wall to prevent the magnetic piece from falling off, so that the effectiveness of installation and detection of the collecting assembly is ensured.
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:
FIG. 1 is a schematic view showing the structure of a washing apparatus in an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a filtering module and related waterway according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a sewage receiving device connected to a sewage drain pipeline according to an embodiment of the present utility model;
FIG. 4 is a schematic view of the installation of the position detection apparatus (collection assembly in place) in an embodiment of the utility model;
FIG. 5 is a schematic view of the installation of a position detection device (collection assembly not in place) in an embodiment of the utility model;
FIG. 6 is a schematic view of the installation of the position detection apparatus (without the collection assembly) in an embodiment of the utility model;
FIG. 7 is a flow chart showing a control method of the washing apparatus according to the second embodiment of the present utility model;
fig. 8 is a flowchart of another control method of the washing apparatus in the second embodiment of the present utility model.
In the figure: 10. a case; 100. a water holding cylinder; 110. a window pad; 210. an upper line; 220. a circulation line; 230. a water return line; 231. a backwater control valve; 240. a sewage discharge pipeline; 241. a blowdown control valve; 250. an outer line; 260. a water drum drain pipe; 270. a switching device; 400. a water pump; 500. a sewage receiving device; 510. a housing case; 570. a collection assembly; 571. a collection chamber; 572. a collection chamber wall; 600. a filtering device; 610. a filter cavity; 6101. a water inlet; 6102. a filtered water outlet; 6103. a sewage outlet; 620. a filtering mechanism; 621. a water outlet joint; 660. a driving mechanism; 680. cleaning the particles; 690. a baffle; 691. a water passing hole; 810. a magnetic member; 820. a reed pipe; 821. a first electrode; 822. a second electrode; 823. and a signal output wire.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
As shown in fig. 1 to 6, the present embodiment provides a filter module for realizing a filtering function of water when applied to a washing apparatus, and a washing apparatus having the same. The washing equipment can be washing equipment with a clothes washing function, such as a washing machine, a washing and drying integrated machine, a nursing machine and the like.
Specifically, the washing device comprises a water containing cylinder 100, and the filtering module is communicated with the water containing cylinder 100 and is used for filtering water in the water containing cylinder 100.
In this embodiment, the filtering module specifically includes a filtering device 600 and a sewage receiving device 500. Wherein, filter device 600 has self-cleaning function, sets up drain 6103 on it, and the produced sewage after the accessible drain 6103 is from the clearance, carry the filtration impurity of filtration in-process accumulation in the sewage. The sewage receiving apparatus 500 is disposed downstream of the sewage outlet 6103 of the filtering apparatus 600, and receives sewage discharged from the filtering apparatus 600.
In the above-mentioned scheme, the filter device 600 of the filter module is used for receiving water in the water drum 100 of the washing device for filtering, and the filter device 600 has a certain self-cleaning capability, so that the filtered impurities accumulated in the filtering process can be discharged into the collecting component 570 of the sewage receiving device 500, and the influence on the filtering efficiency caused by the accumulation of a large amount of filtered impurities is avoided. The sewage discharged from the filtering device 600 is received by the sewage receiving device 500, instead of being directly discharged into the drainage water flow of the washing device, so that the problem that the micro plastics contained in the filtered impurities directly enter the ecological cycle along with the drainage of the washing device is avoided.
Specifically, in the present embodiment, the collecting assembly 570 is disposed inside the sewage receiving apparatus 500, the collecting assembly 570 has a collecting chamber 571 for collecting the filtered impurities in the sewage, and the collecting chamber 571 communicates with the drain 6103 of the filtering apparatus 600. The sewage discharged from the filtering apparatus 600 directly enters the collecting chamber 571, and the collecting assembly 570 can filter the sewage, so that the filtered impurities such as filings in the sewage are collected in the collecting chamber 571.
The collecting assembly 570 of the present embodiment is detachably installed inside the sewage receiving apparatus 500. When the amount of filtered impurities accumulated in the collection chamber 571 reaches a certain amount, the user can detach the collection assembly 570 from the sewage receiving device 500 to clean, and then reload the cleaned collection assembly 570 back to the sewage receiving device 500 to wait for the subsequent use.
However, the collecting assembly 570 is detachable inside the sewage receiving device 500, and there is a high probability that the collecting assembly 570 is not installed in place, even if the user forgets to install the collecting assembly 570. At this time, if the washing apparatus is operated and the filtering function is implemented by the filtering module, there is a problem in that the filtered impurities cannot be collected in the collection chamber 571.
In order to ensure that the collecting assembly 570 can effectively collect the filtered impurities, the filtering module of the present embodiment is further provided with a position detecting device for detecting whether the collecting assembly 570 is installed in place in the sewage receiving apparatus 500. Through the position detection device, the installation condition of the collecting assembly 570 can be fed back, and then the washing equipment can prompt a user in time when the collecting assembly 570 is not installed in place, so that the washing equipment is prevented from running under the condition that the collecting assembly 570 is not installed in place. In this way, the filtering apparatus 600 is prevented from performing the sewage discharge in the case that the collecting assembly 570 is not installed in place, resulting in a problem that the filtered impurities in the sewage cannot be effectively collected.
In a further aspect of this embodiment, the sewage receiving apparatus 500 includes a receiving housing 510, and the collecting assembly 570 is installed inside the receiving housing 510. The position sensing device includes a sensing element disposed on the receiving housing 510 and a sensed element disposed on the collection assembly 570. When the detected element is located within the effective detection range of the detecting element, the detecting element can be triggered, so that whether the collecting assembly 570 is installed in place or not can be detected.
It will be appreciated that the positions of the detection element and the detected element may be reversed, i.e. the detection element is provided on the collection assembly and the detected element is provided on the housing, as well as the detection of whether the collection assembly is in place.
Further, in this embodiment, the detecting element is a reed pipe 820 disposed on the accommodating case 510, and the detected element is a magnetic member 810 disposed on the collecting assembly 570. The position detecting device further includes a detecting circuit on which the reed pipe 820 is disposed. When the collecting assembly 570 is installed in place in the sewage receiving device 500, the magnetic element 810 is located within the effective detection range of the reed pipe 820, and the reed pipe 820 conducts the detection circuit under the action of the magnetic element 810.
In detail, the reed pipe 820 has a first electrode 821 and a second electrode 822 inside and is connected in series to the detection circuit through a signal output wire 823. The first electrode 821 and the second electrode 822 are not in contact in a normal state, so that the detection circuit is in an off state. When the collecting assembly 570 is in place, the magnetic member 810 is positioned close to the reed pipe 820, and the reed pipe 820 is magnetically acted on by the magnetic member 810, so that the first electrode 821 and the second electrode 822 are in contact, and the detection circuit is conducted. The washing apparatus can determine whether the collecting member 570 is installed in place according to the on-off state of the detecting circuit.
Fig. 2 and 3 are top view block diagrams of the sewage receiving apparatus 500 according to the present embodiment, and fig. 4 is a cross-sectional view of the sewage receiving apparatus 500 according to fig. 3 taken along a broken line.
As shown in fig. 4, in a preferred embodiment of the present embodiment, the reed pipe 820 is disposed outside the accommodating case 510 and is disposed to be bonded to the outer wall of the accommodating case 510. On the one hand, the signal output lead 823 on the reed pipe 820 is conveniently led out, and on the other hand, the risk of damage caused by the contact of the reed pipe 820 with sewage discharged into the sewage receiving device 500 is reduced.
The collection assembly 570 includes a collection chamber wall 572 surrounding a collection chamber 571, with the magnetic member 810 embedded within the collection chamber wall 572. The magnetic part 810 matched with the reed pipe 820 is embedded in the collecting cavity wall 572, so that the problem that the magnetic part 810 possibly falls off when the collecting assembly 570 is repeatedly disassembled is avoided, and further effective detection of the installation condition of the collecting assembly 570 is ensured.
Further, the filtration module of the present embodiment further includes a drain pipe 240, wherein one end (i.e. the water inlet end) of the drain pipe 240 is connected to the drain outlet 6103 of the filtration device 600, and the other end (i.e. the water outlet end) of the drain pipe 240 passes through the side wall of the housing 510 and communicates with the collection chamber 571 of the collection assembly 570.
The detecting element reed switch 820 is disposed on a side wall of the accommodating case 510 through which the drain pipe 240 passes, that is, a left side wall of the accommodating case 510 in fig. 4. The magnetic element 810 of the detected element is positioned on the side of the collection assembly 570 that communicates with the drain 240, i.e., the magnetic element 810 is embedded in the left side wall of the collection chamber wall 572 in fig. 4.
In the above scheme, since the collecting assembly 570 is connected with the sewage drain pipeline 240 to receive sewage and collect filtered impurities, the reed switch 820 and the magnetic element 810 are respectively disposed at positions close to the water outlet end of the sewage drain pipeline 240, so that whether the current mounting position of the collecting assembly 570 can be effectively connected with the water outlet end of the sewage drain pipeline 240 can be more accurately detected. In this way, when the collecting assembly 570 is detected to be installed in place in the sewage receiving device 500, the water outlet end of the sewage draining pipeline 240 can be ensured to be effectively connected with the collecting assembly 570, so that the filtered impurities in the sewage can be effectively collected, and the problem that the micro plastics in the filtered impurities are not intercepted and discharged along with the drainage water flow of the washing equipment is prevented.
In detail, as shown in fig. 4, when the collecting assembly 570 is mounted in place in the receiving case 510, the magnetic member 810 approaches the reed pipe 820 outside the receiving case 510, so that the first electrode 821 and the second electrode 822 of the reed pipe 820 contact each other under the magnetic action of the magnetic member 810, thereby conducting the detection circuit.
When the collecting assembly 570 is not mounted in place in the accommodating case 510, as shown in fig. 5, the magnetic element 810 and the reed pipe 820 have a certain distance, and the magnetic effect of the reed pipe 820 is very weak, the first electrode 821 and the second electrode 822 are kept separated, so that the detection circuit is in an off state. Similarly, as shown in fig. 6, when the collecting member 570 is not installed in the receiving case 510, the reed pipe 820 is not subjected to the magnetic field at all, and thus the first electrode 821 and the second electrode 822 remain separated, leaving the detection circuit in an off state.
In the detailed solution of this embodiment, the collecting cavity wall 572 is provided with a plurality of water permeable holes, and the collecting assembly 570 further includes a filter screen covering the water permeable holes for filtering the received sewage, so as to collect the filtered impurities in the collecting cavity 571. The sewage discharged from the filtering device 600 enters the collecting chamber 571 along the sewage discharge pipeline 240, the filtered impurities are intercepted by the filter screen, and are collected in the collecting chamber 571, and the sewage filtered with the filtered impurities passes through the filter screen on the water permeable hole and flows into the accommodating case 510.
In this embodiment, the accommodating case 510 is slidably disposed on the cabinet 10 of the washing apparatus, and the user pulls out the accommodating case 510, so as to detach the inner collecting assembly 570 to clean the filtered impurities collected therein. The filtering of the sewage through the collecting assembly 570 can separate the filtered impurities from the water, thereby avoiding the problem that the filtered impurities are difficult to be treated by a user in the water.
In a preferred embodiment of the present embodiment, a water outlet (not shown) may be provided in the receiving case 510 for discharging the filtered water. The water outlet can be communicated with the water containing barrel 100 of the washing equipment, and the water which does not contain filtered impurities after being filtered is led into the water containing barrel 100 for reuse. Or the water outlet can also be communicated to the outside of the washing equipment, and the water which is filtered and does not contain the filtered impurities is discharged out of the washing equipment.
By providing the water outlet capable of automatically draining water on the accommodating housing 510, the retention of the sewage discharged by the filtering device 600 in the accommodating housing 510 is avoided, and the internal volume of the accommodating housing 510 can be reduced, so that the problem of overflow of the sewage receiving device 500 in the running process of the washing equipment can be avoided. Meanwhile, when the user pulls out the accommodating case 510 to clean, the user only needs to detach the collecting assembly 570 to clean the filtered impurities inside the accommodating case 510, and does not need to take down the accommodating case 510 from the case 10, so that the sewage accumulated in the accommodating case 510 is poured out manually, and the cleaning is more convenient.
In a further aspect of this embodiment, the filtering device 600 of the filtering module specifically includes:
the filter cavity 610 is provided with a water inlet 6101, a filtered water outlet 6102 and a sewage drain 6103;
the filtering mechanism 620 is rotatably arranged inside the filtering cavity 610 and is provided with a water outlet connector 621 which is rotatably and hermetically connected with the filtered water outlet 6102;
the driving mechanism 660 is connected with the filtering mechanism 620 and is used for driving the filtering mechanism 620 to rotate in the filtering cavity 610.
The filter mechanism 620 divides the interior of the filter cavity 610 into an outer cavity and an inner cavity, wherein the water inlet 6101 is communicated with the outer cavity, and the filtered water outlet 6102 is communicated with the inner cavity. The water to be filtered enters the outer cavity through the water inlet 6101, passes through the filtering mechanism 620 and enters the inner cavity to realize filtering, the filtering impurities carried in the water are attached to the outer wall of the filtering mechanism 620, and the water with the filtering impurities filtered can flow out from the filtering water outlet 6102 through the water outlet joint 621.
In detail, the filtering mechanism 620 includes a filter screen support, and a filter screen covered on the filter screen support. One end of the filter screen bracket extends into the filtered water outlet 6102 to form a water outlet joint 621.
When the impurities in the filter device 600 need to be cleaned, the driving mechanism 660 drives the filter mechanism 620 to rotate, so as to agitate the water flow in the filter cavity 610, and the filtered impurities adhered to the outer wall of the filter mechanism 620 are peeled off under the dual actions of centrifugal force and agitating water flow and are mixed into the water in the filter cavity 610. The sewage mixed with the filtered impurities is discharged along with the water flow through the sewage outlet 6103 on the filter chamber 610, and the sewage is transferred to the sewage receiving apparatus 500 through the sewage pipe 240.
Further preferably, cleaning particles 680 are also provided between the inner wall of the filter cavity 610 and the outer wall of the filter mechanism 620 for cleaning the inner wall of the filter cavity 610 and the outer wall of the filter mechanism 620 in a friction collision with the water flow. In the filtering process, the cleaning particles 680 continuously rub against the inner wall of the filtering cavity 610 and the outer wall of the filtering mechanism 620 along with flowing water flow, so that the attached filtering impurities fall off, thereby preventing the filtering impurities from depositing, and avoiding the filtering mechanism 620 from being covered by the filtering impurities too fast to affect the filtering efficiency. On the other hand, the problem that the thickness of the filtering impurities attached to the filter body is large after the filtering is finished, and the filtering impurities are difficult to remove when the filtering device 600 is cleaned at the later stage because the inner wall of the filtering cavity 610 or the outer wall of the filtering mechanism 620 is too firmly attached is also avoided.
And when the driving mechanism 660 drives the filtering mechanism 620 to rotate in the filtering cavity 610 to realize self-cleaning, the cleaning particles 680 move in the filtering cavity 610 along with the action of the agitating water flow and rub against the inner wall of the filtering cavity 610 and the outer wall of the filtering mechanism 620, so that the stripping efficiency of the filtered impurities is improved, and the self-cleaning effect of the filtering device 600 is better.
A baffle 690 is also arranged in the filter cavity 610, and water passing holes 691 are arranged on the baffle 690. The cleaning particles 680 are disposed on one side of the baffle 690 (i.e., the left side in fig. 2), and the filtered water outlet 6102 and the drain 6103 on the filter chamber 610 are together on the other side of the baffle 690 (i.e., the right side in fig. 2).
Through the setting of baffle 690, can prevent in the filtration process that cleaning particles 680 from gathering to filtration water outlet 6102, when filter equipment 600 carries out self-cleaning and discharges sewage, sewage carries filtering impurity and can pass baffle 690 by water hole 691 and be discharged by drain 6103, and cleaning particles 680 are stopped by baffle 690, can not be discharged along with the rivers by drain 6103, has avoided cleaning particles 680's loss. Meanwhile, the cleaning particles 680 can be prevented from being accumulated at the sewage outlet 6103, so that the sewage outlet 6103 is blocked, and the sewage discharge efficiency is affected.
In a further aspect of this embodiment, a drain control valve 241 is disposed on the drain pipe 240, for controlling on/off of the drain pipe 240. When the filtering apparatus 600 filters the received water, the drain control valve 241 is in a closed state, cutting off the drain pipe 240. Ensuring that water entering the filter apparatus 600 can flow out of the filtered water outlet 6102 after filtration. When the sewage in the filtering apparatus 600 needs to be discharged, the sewage in the filtering apparatus 600 can be discharged into the sewage receiving apparatus 500 by opening the sewage control valve 241 to conduct the sewage pipe 240.
Preferably, the filtered water outlet 6102 of the filtering device 600 is connected to the return water line 230 for delivering the water filtered by the filtering device 600. A water return control valve 231 is arranged on the water return pipeline 230 for switching on and off the water return pipeline 230. When the filtering device 600 performs filtering, the backwater control valve 231 is opened, and when the filtering device 600 is controlled to discharge sewage, the backwater control valve 231 is closed, so that the filtering device 600 cannot discharge water from the filtered water outlet 6102, thereby ensuring that the sewage in the filtering device 600 is sufficiently discharged from the sewage outlet 6103.
In this embodiment, the filtering device 600 may filter out the filtered impurities having a size of more than 50 μm, and the filtered impurities may include micro plastics. In particular, the filtering impurities may include plastic fibers having a length of more than 50 μm and a diameter of 10 to 1000 μm. Preferably, the plastic fibers have a length of 400 to 600 μm, the most common length in distribution being 500 μm + -50 μm. The diameter of these plastic fibers is preferably 10 to 50 μm, most often 17 μm.+ -. 2 μm.
The filtering device 600 cleans the filtered impurities, and can discharge the sewage carrying the filtered impurities into the sewage receiving device 500, thereby achieving the final collection of the filtered impurities through the collection assembly 570 inside the sewage receiving device 500. In order to ensure that the micro-plastics or plastic fibers having the above size carried in the sewage are sufficiently collected by the collecting unit 570, the size of the filtered impurities that can be filtered and collected by the collecting unit 570 is at least not smaller than the size of the filtered impurities that can be filtered and filtered by the filtering device 600 when the sewage is filtered. For example, the filtering device 600 may filter out the filtered impurities having a size greater than 50 μm, so that the collection module 570 may filter the received wastewater to at least ensure that the filtered impurities having a size greater than 50 μm cannot pass, and preferably that the filtered impurities having a size slightly less than 50 μm cannot pass, thereby ensuring that as much of the microplastic in the wastewater as possible is collected in the collection chamber 571 of the collection module 570.
To achieve the above-mentioned filtering removal of the microplastic, the filter screen of the filtering mechanism 620 in the filtering device 600 is selected from 20 mesh to 500 mesh. In order to ensure that the collection assembly 570 inside the sewage receiving apparatus 500 can collect the microplastic carried in the sewage as fully as possible, the situation that the microplastic filtered by the filtering apparatus 600 can pass through the filter screen in the collection assembly 570 in the sewage receiving apparatus 500 is avoided, and the size of the pore diameter on the filter screen of the collection assembly 570 is at least not greater than the pore diameter of the filter screen in the filtering apparatus 600, that is, the mesh number of the filter screen in the collection assembly 570 is not less than 20 mesh to 500 mesh of the filter screen in the filtering apparatus 600.
In this embodiment, a large number of tests are performed on different types of clothes and different washing procedures in advance, and it is found that the number of the filter screens in the collecting assembly 570 and the number of the filter screens in the filtering device 600 are set within the above ranges, so that plastic fibers with the above sizes can be filtered out from the washing water, and finally micro plastic particles with the total content of more than 80% of the water can be collected in the collecting assembly 570, so that the micro plastic content in the drainage water flow of the final washing device is greatly reduced, and the standard of direct discharge can be met.
The specific structure of the washing apparatus mounted with the filter module according to the present embodiment will be further described with reference to fig. 1 and 2.
The washing device comprises a circulating filter pipeline, and a water inlet end and a water outlet end of the circulating filter pipeline are respectively communicated with the water containing cylinder 100. The filtering device 600 of the filtering module is arranged on the circulating filtering pipeline, and the circulating filtering pipeline is also provided with a water pump 400. During the washing of laundry by the washing machine, the water pump 400 is turned on to drive the water in the water tub 100 to flow along the circulation filter line into the filter device 600 and return to the water tub 100 after filtering.
In detail, the bottom of the water container 100 is connected with a water container drain pipe 260, the water container drain pipe 260 is connected with an inlet end of the water pump 400, an outlet end of the water pump 400 is connected with an upper drain pipe 210 extending upward around the rear of the water container 100, an upper end of the upper drain pipe 210 is communicated with a circulation pipe 220, and the circulation pipe 220 is connected with a water inlet 6101 of the filtering device 600. The filtered water outlet 6102 of the filtering device 600 communicates with the water containing cartridge 100 through the water return line 230. The water outlet end of the water return pipeline 230 is specifically connected to the window pad 110 at the mouth of the water containing cylinder 100, and returns water to the water containing cylinder 100 through the window pad 110.
In a further aspect of this embodiment, a switching device 270 is disposed between the upper exhaust pipeline 210 and the circulation pipeline 220, and a water inlet of the switching device 270 is connected to an upper end of the upper exhaust pipeline 210. The switching device 270 has a first water outlet connected to the circulation line 220 and a second water outlet connected to the discharge line 250 for discharging water to the outside of the washing apparatus. The switching device 270 is internally provided with a switching mechanism for controlling the first water outlet and the second water outlet to be selectively communicated with the water inlet.
When the washing apparatus performs the circulating filtration of the washing water, the first water outlet and the water inlet of the switching device 270 are communicated, so that the up-drain pipeline 210 is communicated with the circulating pipeline 220, and the circulating filtration pipeline of the washing apparatus is communicated. When the washing device finishes washing and drains water outwards, the second water outlet of the switching device 270 is communicated with the water inlet, the water up-draining pipeline 210 is communicated with the water out-draining pipeline 250, the water pump 400 is started, and water in the water containing barrel 100 can be drained out of the washing device along the water up-draining pipeline 210 and the water out-draining pipeline 250.
Through the arrangement of the switching device 270, the washing equipment can realize the circulating filtration in the washing process and the outward drainage of the washing equipment through the same water pump 400. Meanwhile, the circulating filtration and the drainage share part of pipeline structure, so that the waterway inside the washing equipment is simplified. By controlling the conduction direction of the switching device 270, the function switching between the circulation filtering and the drainage can be realized, and the control logic is simple.
In this embodiment, the washing apparatus is provided with a filtering module, which can circularly filter the washing water during the operation process, prevent the filings and the like from adhering to the washed laundry, and improve the washing effect of the laundry. The filtering device 600 for filtering the washing water in the filtering module has a self-cleaning function, and can automatically discharge the filings accumulated in the filtering process, and other filtering impurities. The filter module further has a sewage receiving device 500, and can receive sewage discharged by the filter device 600 by using the internal collecting assembly 570, so as to collect filtered impurities in the sewage, and prevent the problem that the direct discharge of the sewage can cause micro-plastics in the filtered impurities to enter ecological cycle.
The collection assembly 570 is removably disposed within the wastewater receiving unit 500 for removal by a user for manual cleaning. The filter module is also provided with a position detecting means by which the installation of the collecting assembly 570 can be fed back to the washing apparatus. When the user installs the collecting assembly 570 in place, or forgets to install the collecting assembly 570, the user can be reminded in time, and the situation that the washing program is directly operated by the washing equipment, so that the filtered impurities cannot be effectively collected by the collecting assembly 570 is avoided.
Example two
The present embodiment provides a control method of the washing apparatus described in the first embodiment. As shown in fig. 1 to 6, the control method specifically includes:
receiving a start instruction of a washing program;
if it is determined that the collection assembly 570 is installed in place, the washing program is started to run.
Further, if it is judged that the collecting assembly 570 is not installed in place, the washing apparatus is locked and an alarm signal is issued.
It should be noted that "the collecting assembly 570 is not mounted in place" in the present embodiment includes at least two cases that the collecting assembly 570 is mounted inside the accommodating case 510 but not mounted in place (as shown in fig. 5), and that the collecting assembly 570 is not mounted inside the accommodating case 510 (as shown in fig. 6).
In this embodiment, after receiving the start command of the washing program, the washing apparatus does not directly start to operate, but first determines the installation condition of the collecting assembly 570. Only in the case that the collecting means 570 is installed in place, the washing process is started, ensuring that the contaminated water discharged from the filtering apparatus 600 during the washing process can accurately flow into the collecting means 570 of the contaminated water receiving apparatus 500, and the collection of the filtered impurities in the contaminated water is achieved through the collecting means 570.
If the collection assembly 570 is not installed in place, even if the collection assembly 570 is not installed, the washing device can be automatically locked without running the washing program, so that the problem that the filtered impurities cannot be effectively collected is avoided. The washing device can also send an alarm signal when the collecting assembly 570 is judged not to be in place, so that a user is timely reminded of manually checking the condition of the installation cavity of the collecting assembly 570, and the washing device can be started to operate as soon as possible.
The alarm signal in this embodiment may be in various forms such as flashing alarm lamp, beeping sound or voice prompt, and is not limited herein.
In a specific scheme of the embodiment, the filter module feeds back the installation condition of the collecting assembly 570 to the washing device through the cooperation of the magnetic member 810 and the reed pipe 820. The reed pipe 820 is connected to the detection circuit, and the washing device can judge whether the collecting assembly 570 is installed in place by acquiring the on-off state of the detection circuit.
Specifically, after the washing equipment receives a start instruction of a washing program, the on-off state of the detection circuit is obtained. If the detection circuit is in a conductive state, judging that the collecting component 570 is installed in place; if the detection circuit is in an off state, it is determined that the collection assembly 570 is not in place.
Further, the washing device of this embodiment is provided with a program start key, and the washing device receiving a start instruction of a washing program specifically means: the washing device receives a signal that the program start key is activated.
In detail, as shown in fig. 7, the control method of the washing apparatus in the present embodiment includes the steps of:
s1, receiving a signal that a program starting key is triggered;
s2, acquiring the on-off state of the detection circuit, and judging whether the detection circuit is in a conducting state or not;
s3, if the detection circuit is in a conducting state, judging that the collection assembly is installed in place, starting a washing program by the washing equipment, otherwise, judging that the collection assembly is not installed in place, and executing the step S4;
s4, locking the washing equipment and sending out alarm prompt information.
In a further aspect of this embodiment, after the washing apparatus determines that the collecting assembly 570 is not mounted in place, if it is detected that the accommodating case 510 is pulled out and pushed into the case 10 again, the on-off state of the detection circuit is again acquired, and the mounting condition of the collecting assembly 570 is determined.
Specifically, as shown in fig. 8, the following steps are further included after the above step S4:
s5, detecting that the accommodating shell is pulled out of the box body, and stopping sending alarm prompt information;
s6, the detection accommodating shell is pushed into the box body, the washing equipment is unlocked, and the step S2 is returned.
In the above-mentioned scheme, when the washing apparatus detects that the accommodating case 510 is pulled out and pushed into the case 10 again, it is explained that the user has readjusted the installation of the collecting assembly 570, at this time, the installation condition of the collecting assembly 570 can be detected again, and if the collecting assembly 570 is installed in place, the washing program can be automatically started to operate, without the need for the user to manually start the washing program again, so that the operation is convenient.
Further, if the washing device continuously acquires that the detection circuits are all in the off state N times, the washing device is kept in the locking state continuously, the operation of the washing program is canceled, and the washing device sends out alarm information for prompting the user to detect the whole sewage receiving device 500.
In the above-mentioned scheme, if the washing device acquisition detection circuit is still in the off state after the user adjusts the installation position of the collecting assembly 570 for multiple times, the structures of the reed switch 820, the collecting assembly 570 and the like may be damaged, so that the detection of the installation of the collecting assembly 570 in place cannot be realized. At this time, since it cannot be accurately determined whether the collecting assembly 570 can realize the collecting function of the filtered impurities, the washing apparatus does not operate the washing program and prompts the user to perform maintenance.
In this embodiment, before the washing apparatus starts to operate the washing program, the installation state of the collecting assembly 570 is obtained by the position detecting device, and the washing program is started only when the collecting assembly 570 is installed in place, otherwise, the washing apparatus is locked to not operate the washing program, so that the collecting assembly 570 can effectively collect the filtered impurities in the operation process of the washing apparatus, and the microplastic is prevented from being discharged out of the washing apparatus along with the filtered impurities.
The foregoing description is only illustrative of the preferred embodiment of the present utility model, and is not to be construed as limiting the utility model, but is to be construed as limiting the utility model to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the utility model, may be made by those skilled in the art without departing from the scope of the utility model.
Claims (7)
1. A filtration module, comprising:
the filtering device is provided with a sewage outlet for discharging sewage carrying filtered impurities;
the sewage receiving device is internally provided with a collecting assembly, the collecting assembly is provided with a collecting cavity for collecting filtered impurities in sewage, and the collecting cavity is communicated with a sewage outlet of the filtering device;
and the position detection device is used for detecting whether the collecting assembly is installed in place in the sewage receiving device.
2. The filtration module of claim 1, wherein the sewage receiving device comprises a containment housing, the collection assembly being mounted inside the containment housing;
the position detection device comprises a detection element/detected element arranged on the accommodating shell and a detected element/detected element arranged on the collecting assembly.
3. The filtration module of claim 2, wherein the sensing element is a reed switch disposed on the containment housing and the sensed element is a magnetic member disposed on the collection assembly;
the position detection device further comprises a detection circuit, and the reed switch is arranged on the detection circuit; when the collecting assembly is installed in place in the sewage receiving device, the reed switch conducts the detection circuit under the action of the magnetic piece.
4. A filtration module according to claim 3, wherein the reed switch is disposed outside the housing and is disposed against an outer wall of the housing.
5. A filtration module according to claim 3, wherein the collection assembly comprises a collection chamber wall circumscribing the collection chamber, the magnetic element being embedded within the collection chamber wall.
6. The filtration module of any one of claims 2-5, further comprising a drain line having one end connected to a drain of the filtration device and another end communicating with the collection chamber of the collection assembly through a sidewall of the containment housing;
the detection element is arranged on the side wall of the accommodating shell, through which the sewage pipeline passes; the detected element is arranged on the collecting assembly and is positioned on one side of the collecting assembly, which is communicated with the sewage discharge pipeline.
7. A washing apparatus comprising a filtration module according to any one of claims 1-6.
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WO2024104288A1 (en) * | 2022-11-14 | 2024-05-23 | 重庆海尔滚筒洗衣机有限公司 | Filtering system, filtering module, washing apparatus, and control method |
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WO2024104288A1 (en) * | 2022-11-14 | 2024-05-23 | 重庆海尔滚筒洗衣机有限公司 | Filtering system, filtering module, washing apparatus, and control method |
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