CN215383786U

CN215383786U - Self-cleaning filtering system and dish washing machine

Info

Publication number: CN215383786U
Application number: CN202120639867.7U
Authority: CN
Inventors: 陈浩航; 陈宇航
Original assignee: Guangzhou Jiangshuiqing Intelligent Technology Co Ltd
Current assignee: Guangzhou Jiangshuiqing Intelligent Technology Co Ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2022-01-04
Anticipated expiration: 2031-03-29

Abstract

The utility model discloses a self-cleaning filtering system and a dish washing machine, which comprise an oil-water separating device, a shell structure, a filtering structure, a cleaning structure, a power structure, a conversion structure and a master control structure, wherein a pressure difference controller is arranged on the shell structure, the self-cleaning filtering system has a filtering state and a cleaning and sewage discharging state, the pressure difference controller detects that the water pressure difference is normal in the filtering state, opens a filtering channel and closes the cleaning and sewage discharging channel, the pressure difference controller detects that the water pressure difference is abnormal in the cleaning and sewage discharging state, opens the cleaning and sewage discharging channel and closes the filtering channel, the power structure drives the cleaning structure to rotate so as to clean the filtering structure, and the oil-water separating device is communicated with a water outlet. Through setting up filter residue device and oil water separator into two independent filter equipment, realized the effect of abundant thorough filtration residue residual oil, improved filtration efficiency, have self-cleaning, need not personnel's guard, advantage that work efficiency is high.

Description

Self-cleaning filtering system and dish washing machine

Technical Field

The utility model relates to the technical field of dish washing machines, in particular to a self-cleaning filtering system and a dish washing machine.

Background

The environment-friendly dish washing machine uses the circulating filter system to remove residues in the cleaning tank, when the circulating filter system works, liquid in the circulating filter system and cleaning liquid of the cleaning tank are in the same closed water system, in the continuous cleaning and circulating filter processes, residual oil in the cleaning tank is transferred to the filter system, the residues are continuously contacted with the cleaning liquid in the whole cleaning process, and when new cleaning liquid is replaced for subsequent cleaning, the residues in a residue collector of the filter system continuously pollute the cleaning liquid added subsequently, so that the cleaned tableware cannot meet the sanitary requirement.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to solve at least one of the technical problems of the prior art, for which purpose the present invention proposes a self-cleaning filter system and a dishwasher.

A self-cleaning filtration system according to an embodiment of the first aspect of the utility model, comprising: residue device and water oil separating device, the residue device includes shell structure, filtration, is used for the cleanness filtration's clean structure, is used for the drive clean rotatory power structure of structure, be used for switching filtering channel or clean sewage pipes's transform structure and total control structure, the last pressure difference controller that is used for the water pressure difference before the control filtration and after filtering that is equipped with of shell structure.

The total control structure respectively with differential pressure controller and conversion structure electricity are connected, filtration clean structure and conversion structure all is located shell structure is internal, shell structure is last to be equipped with first water inlet, delivery port and drain, the drain intercommunication has the blowoff valve, the blowoff valve with total control structure electricity is connected, oil-water separator with the delivery port intercommunication to receive the water after the filter residue device filters.

The filter residue device has a filtering state and a clean blowdown state, the pressure difference controller detects that the water pressure difference is normal in the filtering state, the master control structure controls the conversion structure to open the filtering channel and close the clean blowdown channel, the pressure difference controller detects that the water pressure difference is abnormal in the clean blowdown state, the master control structure controls the conversion structure to open the clean blowdown channel and close the filtering channel, and the power structure drives the clean structure to rotate to clean the filtering structure.

The filter residue device and the oil-water separation device are arranged into two independent filter devices, and residue and residual oil are separated and filtered, so that the effect of fully and thoroughly filtering residue and residual oil is realized, the filter efficiency is improved, and the filter structure in the filter residue device is self-cleaned by arranging the pressure difference controller, the power structure and the cleaning structure, so that the filter residue device has the advantages of automatic cleaning, no need of being watched by personnel and high working efficiency.

In some embodiments of the present invention, the housing structure has a cavity therein, the filtering structure is located in the cavity to separate the cavity into a water inlet portion before filtration and a water outlet portion after filtration, the first water inlet, the water inlet portion before filtration, the water outlet portion after filtration and the water outlet are sequentially communicated, and the sewage outlet is communicated with the water inlet portion before filtration.

In some embodiments of the present invention, one end of the differential pressure controller is communicated with the water inlet before filtration, the other end is communicated with the water outlet after filtration, and the oil-water separation device is communicated with the residue filtering device through the water outlet after filtration.

In some embodiments of the utility model, the transition structure is an automatic valve.

In some embodiments of the present invention, a residue receiving assembly is disposed at a sewage discharging end of the residue filtering device to receive and filter sewage residues discharged after the residue filtering device is self-cleaned.

In some embodiments of the present invention, the residue receiving assembly includes a residue receiving member, a residue filtering member and a third drain pipe, the residue filtering member is fixedly disposed at an upper portion of the residue receiving member, the third drain pipe is fixedly disposed at a bottom portion of the residue receiving member, and the residue filtering member is disposed toward the drain outlet.

In some embodiments of the present invention, the power structure is a water turbine, the water turbine is fixedly connected to the cleaning structure, the housing structure is further provided with a second water inlet for providing clean water, the second water inlet is disposed toward the water turbine, and the clean water pushes the water turbine to rotate.

In some embodiments of the utility model, the turbine has a blade, the second water inlet is arranged towards the blade, and the clean water pushes the blade to rotate, so as to drive the cleaning structure to rotate to clean the filtering structure.

In some embodiments of the present invention, the power structure comprises a motor and a driving shaft, the cleaning structure is fixedly connected with the driving shaft, the motor is electrically connected with the general control structure, and the motor drives the cleaning structure to rotate through the driving shaft so as to clean the filtering structure.

A dishwasher according to an embodiment of the second aspect of the utility model, comprising a self-cleaning filtration system as in the embodiment of the first aspect of the utility model, comprises a sump having a water discharge opening, the water discharge opening being in communication with the first water inlet.

Drawings

The utility model is further described in the following with reference to the accompanying drawings, it is obvious that the drawings in the following description are some embodiments of the utility model, and that for a person skilled in the art, other drawings can be derived from these drawings without inventive effort.

FIG. 1 is a schematic view of the assembly structure of the self-cleaning filtration system of the present invention, wherein the power structure is a water turbine;

FIG. 2 is a schematic view of the self-cleaning filtration system of the present invention in the form of an assembly of a motor and a drive shaft.

In the figure: the filter device comprises a cleaning tank 100, a first drain pipe 110, a residue filtering device 200, a shell structure 210, a first water inlet 211, a water outlet 212, a sewage draining outlet 213, a sewage draining valve 214, a cavity 215, a water inlet part 2151 before filtering, a water outlet part 2152 after filtering, a second water inlet 216, a filtering structure 220, a cleaning structure 230, a power structure 240, a water wheel 241, a motor 242, a driving shaft 243, a conversion structure 250, a pressure difference controller 260, an oil-water separation device 300, a second drain pipe 310, a first valve member 410, a second valve member 420, a residue receiving assembly 500, a residue receiving member 510, a residue filtering member 520 and a third drain pipe 530.

Detailed Description

The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.

It is to be understood that the terms "upper," "lower," "left," "right," "front," "back," "inner," "outer," "top," and the like, as used herein, are used in the orientation or positional relationship indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model. Herein, the terms "first", "second", and the like are used for distinguishing different objects, not for describing a particular order.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

Referring to fig. 1 and 2, a self-cleaning filtration system in an embodiment of a first aspect of the present invention comprises: a residue filtering device 200 and an oil-water separating device 300.

Further, the residue filtering apparatus 200 includes a housing structure 210, a filtering structure 220, a cleaning structure 230 for cleaning the filtering structure 220, a power structure 240 for driving the cleaning structure 230 to rotate, a switching structure 250 for switching the filtering channel or cleaning the sewage channel, and a general control structure (not shown), wherein the housing structure 210 is provided with a pressure difference controller 260 for monitoring the water pressure difference before and after filtering.

The main control structure is electrically connected with the differential pressure controller 260 and the conversion structure 250, the filtering structure 220, the cleaning structure 230 and the conversion structure 250 are all located in the shell structure 210, the shell structure 210 is provided with a first water inlet 211, a water outlet 212 and a sewage outlet 213, the sewage outlet 213 is communicated with a sewage discharge valve 214, the sewage discharge valve 214 is electrically connected with the main control structure, and preferably, the sewage discharge valve 214 is an electromagnetic valve.

The residue filtering device 200 has a filtering state and a cleaning and sewage discharging state, in the filtering state, the pressure difference controller 260 detects that the water pressure difference is normal, the master control structure controls the switching structure 250 to open the filtering channel and close the cleaning and sewage discharging channel, in the cleaning and sewage discharging state, the pressure difference controller 260 detects that the water pressure difference is abnormal, the master control structure controls the switching structure 250 to open the cleaning and sewage discharging channel and close the filtering channel, and the power structure 240 drives the cleaning structure 230 to rotate so as to clean the filtering structure 220.

The oil-water separating device 300 is communicated with the water outlet 212 through a pipeline to receive the water filtered by the residue filtering device 200, further, a second water discharging pipe 310 and a second valve member 420 are arranged at the bottom of the oil-water separating device 300, the water treated by the oil-water separating device 300 is discharged through the second water discharging pipe 310 and the second valve member 420, and further preferably, the second valve member 420 is an electromagnetic valve.

Preferably, the housing structure 210 has a cavity 215 therein, the filtering structure 220 is located in the cavity 215 to divide the cavity 215 into a pre-filtering water inlet portion 2151 and a post-filtering water outlet portion 2152, the first water inlet 211, the pre-filtering water inlet portion 2151, the post-filtering water outlet portion 2152 and the water outlet 212 are sequentially communicated, and the sewage outlet 213 is communicated with the pre-filtering water inlet portion 2151.

Preferably, the filtering structure 220 is a cylindrical filtering net, and further preferably, the material of the filtering structure 220 is 304 stainless steel or 316 stainless steel.

Preferably, the cleaning structure 230 is a scraper, and further preferably, the cleaning structure 230 is a scraper made of silicone or rubber, and in other embodiments of the present invention, the cleaning structure 230 is a brush or any other form.

Preferably, the switching structure 250 is an automatic valve, and further preferably, the switching structure 250 is an electromagnetic automatic butterfly valve or an electromagnetic automatic ball valve, which has an electromagnetic controller therein, and automatically opens the filtering channel and closes the cleaning and draining channel when receiving the filtering signal of the general control structure, and automatically opens the cleaning and draining channel and closes the filtering channel when receiving the cleaning and draining signal of the general control structure. It should be understood that the automatic valve mechanism is a general or procured part of the prior art, and those skilled in the art are capable of selecting the specification and model parameters according to actual requirements.

In other embodiments of the present invention, the residue receiving assembly 500 is disposed at the sewage discharging end of the residue filtering apparatus 200 to receive and filter the sewage residue discharged from the residue filtering apparatus 200 after self-cleaning.

Preferably, the residue receiving assembly 500 includes a residue receiving member 510, a residue filtering member 520 and a third drainage pipe 530, wherein the residue filtering member 520 is fixedly disposed at an upper portion of the residue receiving member 510, the third drainage pipe 530 is fixedly disposed at a bottom portion of the residue receiving member 510, and the residue filtering member 520 is disposed toward the drain outlet 213.

The dishwasher according to the second aspect of the present invention, including the self-cleaning filtering system according to the first aspect of the present invention, includes a washing tub 100, the washing tub 100 having a water discharge opening at the bottom of the washing tub 100, the water discharge opening being communicated with a first water inlet 211 through a first water discharge pipe 110.

One end of the differential pressure controller 260 is communicated with the water inlet and outlet part 2151, and the other end is communicated with the water outlet and outlet part 2152, and the oil-water separation device 300 is communicated with the filter residue device 200 through the water outlet and outlet part 2152. Since the vegetable residue is attached to the filtering structure 220 to block the filtering holes of the filtering structure 220, the water pressure difference exists between the water inlet part 2151 before filtering and the water outlet part 2152 after filtering, and the pressure difference controller 260 detects the pressure difference. It should be understood that the differential pressure controller 260 is a general or procured part of the prior art, and it is within the ability of one skilled in the art to select the specification and model parameters based on actual requirements. Preferably, the operation value of the differential pressure controller 260 is set to 0.03 to 0.07 MPa.

Preferably, the power structure 240 is a water turbine 241, the water turbine 241 is fixedly connected to the cleaning structure 230, the housing structure 210 is further provided with a second water inlet 216 for providing clean water, the second water inlet 216 is disposed toward the water turbine 241, the supply of the clean water is controlled by the first valve member 410, the water turbine 241 is pushed to rotate by the clean water, and preferably, the first valve member 410 is an electromagnetic valve.

The turbine 241 has a blade, and the second water inlet 216 is disposed toward the blade, and the clean water pushes the blade to rotate, thereby driving the cleaning structure 230 to rotate to clean the filtering structure 220. It should be understood that the water turbine 241 is a general or purchased part in the prior art, and it is within the ability of those skilled in the art to select the specification and model parameters according to actual requirements.

In other embodiments of the present invention, the power structure 240 includes a motor 242 and a driving shaft 243, the cleaning structure 230 is fixedly connected to the driving shaft 243, the motor 242 is electrically connected to the overall control structure, and the motor 242 drives the cleaning structure 230 to rotate through the driving shaft 243 to clean the filtering structure 220. It should be understood that the motor 242 and the drive shaft 243 of the power structure 240 are conventional or commercially available components, and those skilled in the art will be able to select the specification and model parameters according to actual requirements.

The principle of operation of the self-cleaning filtering system is that when the residue filtering device 200 is in a filtering state, after the tableware is cleaned by the cleaning tank 100 of the dishwasher, sewage with vegetable residues is discharged to the residue filtering device 200 through the first drain pipe 110, the sewage sequentially passes through the first water inlet 211, the water inlet portion 2151 before filtering, the filtering structure 220 and the water outlet portion 2152 after filtering, after being filtered by the filtering structure 220, the sewage is guided to the oil-water separating device 300 through the water outlet 212, and water treated by the oil-water separating device 300 is discharged through the second drain pipe 310 and the second valve member 420.

When the residue filtering device 200 is in a cleaning and sewage discharging state, when the pressure difference between the water inlet part 2151 before the filtration and the water outlet part 2152 after the filtration reaches a set range value, the pressure difference controller 260 acts to send a signal to the master control structure, the master control structure simultaneously feeds back to the conversion structure 250 to open the cleaning and sewage discharging channel and close the filtering channel, the sewage discharging valve 214 is opened, when the power structure 240 is the water turbine 241, the first valve member 410 is opened to provide clean water, the clean water pushes the blades of the water turbine 241 to rotate, and then the cleaning structure 230 is driven to rotate to clean the filtering structure 220, the cleaned residue sewage is discharged from the sewage discharging port 213 to the sewage discharging valve 214, when the power structure 240 is the motor 242 and the driving shaft 243, the motor 242 is started to drive the driving shaft 243 to rotate to clean the filtering structure 230 to clean the filtering structure 220, and the cleaned residue sewage is discharged from the sewage discharging port 213 to the sewage discharging valve 214. When the pressure difference controller 260 detects that there is no pressure difference, which indicates that the filtering structure 220 is clean and not blocked, the pressure difference controller 260 sends a signal to the general control structure, and the general control structure simultaneously feeds back to the converting structure 250 to open the filtering channel and close the cleaning and draining channel, close the draining valve 214, close the first valve member 410 or close the motor 242, and stop the operation of the cleaning structure 230.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. It should be noted that there are no specific structures but a few objective structures due to the limited character expressions, and that those skilled in the art may make various improvements, decorations or changes without departing from the principle of the utility model or may combine the above technical features in a suitable manner; such modifications, variations, combinations, or adaptations of the utility model using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments, or may be learned by practice of the utility model.

Claims

1. A self-cleaning filtration system, comprising: the filter residue device comprises a shell structure, a filtering structure, a cleaning structure for cleaning the filtering structure, a power structure for driving the cleaning structure to rotate, a conversion structure for switching a filtering channel or cleaning a sewage draining channel and a master control structure, wherein the shell structure is provided with a pressure difference controller for monitoring the water pressure difference before and after filtering;

the main control structure is respectively and electrically connected with the differential pressure controller and the conversion structure, the filtering structure, the cleaning structure and the conversion structure are all positioned in the shell structure, the shell structure is provided with a first water inlet, a first water outlet and a first sewage draining outlet, the sewage draining outlet is communicated with a sewage draining valve, the sewage draining valve is electrically connected with the main control structure, and the oil-water separation device is communicated with the water outlet so as to receive water filtered by the filter residue device;

2. The self-cleaning filtration system of claim 1, wherein: the utility model discloses a sewage filter, including shell structure, filtration structure, first water inlet, drainage portion, filtration water outlet portion, the cavity has in the shell structure, filtration structure is located in the cavity, in order to incite somebody to action the cavity is separated into and is strained water-supply portion and strain back water-outlet portion, first water inlet before straining water-supply portion, strain back water-outlet portion and the delivery port communicates in proper order, the drain with strain water-supply portion intercommunication.

3. The self-cleaning filtration system of claim 2, wherein: one end of the differential pressure controller is communicated with the water inlet part before filtration, the other end of the differential pressure controller is communicated with the water outlet part after filtration, and the oil-water separation device is communicated with the residue filtering device through the water outlet part after filtration.

4. The self-cleaning filtration system of claim 1, wherein: the conversion structure is an automatic valve.

5. The self-cleaning filtration system of claim 1, wherein: and a residue receiving assembly is arranged at the sewage discharge end of the residue filtering device so as to receive and filter the sewage residue discharged after the residue filtering device automatically cleans.

6. The self-cleaning filtration system of claim 5, wherein: the residue receiving assembly comprises a residue receiving piece, a residue filtering piece and a third drain pipe, the residue filtering piece is fixedly arranged on the upper portion of the residue receiving piece, the third drain pipe is fixedly arranged on the bottom of the residue receiving piece, and the residue filtering piece is oriented to the sewage discharge outlet.

7. Self-cleaning filtration system according to any one of claims 1 to 6, wherein: the power structure is a water wheel device, the water wheel device is fixedly connected with the cleaning structure, a second water inlet for providing clean water is further arranged on the shell structure, the second water inlet points to the water wheel device, and the clean water pushes the water wheel device to rotate.

8. The self-cleaning filtration system of claim 7, wherein: the water turbine is provided with blades, the second water inlet points to the blades, and the clean water pushes the blades to rotate so as to drive the cleaning structure to rotate to clean the filtering structure.

9. Self-cleaning filtration system according to any one of claims 1 to 6, wherein: the power structure comprises a motor and a driving shaft, the cleaning structure is fixedly connected with the driving shaft, the motor is electrically connected with the master control structure, and the motor drives the cleaning structure to rotate so as to clean the filtering structure through the driving shaft.

10. A dishwasher, characterized by: comprising a self-cleaning filtration system as claimed in any one of claims 1 to 9, the dishwasher comprising a sink having a drain opening in communication with the first water inlet.