CN114592322A - Micro bubble washing machine and control method thereof - Google Patents
Micro bubble washing machine and control method thereof Download PDFInfo
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- CN114592322A CN114592322A CN202210278205.0A CN202210278205A CN114592322A CN 114592322 A CN114592322 A CN 114592322A CN 202210278205 A CN202210278205 A CN 202210278205A CN 114592322 A CN114592322 A CN 114592322A
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- dissolving cavity
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- 238000005406 washing Methods 0.000 title claims abstract description 321
- 238000000034 method Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 258
- 238000007599 discharging Methods 0.000 claims abstract description 20
- 230000009471 action Effects 0.000 claims abstract description 10
- 238000004090 dissolution Methods 0.000 claims description 44
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 10
- 239000007788 liquid Substances 0.000 description 10
- 230000007246 mechanism Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002101 nanobubble Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
- D06F35/002—Washing machines, apparatus, or methods not otherwise provided for using bubbles
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
- D06F33/36—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of washing
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/088—Liquid supply arrangements
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/02—Water supply
-
- 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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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The invention provides a micro-bubble washing machine and a control method thereof, wherein the washing machine comprises a washing barrel, a bubble generator and a drain pipe; the washing tub is used for placing and washing clothes; the bubble generating device comprises a dissolving cavity, a water outlet pipe extending into the dissolving cavity from the upper part of the dissolving cavity, and a bubble generator arranged on the water outlet pipe. The dissolving cavity is sealed and is selectively communicated with external washing water, so that after the washing water enters the dissolving cavity, gas is dissolved in the washing water under the pressure action of the sealed dissolving cavity, and the gas is discharged into the washing barrel through the bubble generator on the water outlet pipe after micro bubbles are generated, and clothes in the washing barrel are cleaned. The washing water that the intracavity will be dissolved to the drain pipe selectivity discharges to the washtub in to make the interior gas of washtub get into and dissolve the chamber, thereby can be through bubble generating device and drain pipe in proper order and used repeatedly, to the microbubble of discharging different volumes in the washtub, satisfy different washing demands.
Description
Technical Field
The invention relates to the technical field of washing, in particular to a microbubble washing machine and a control method thereof.
Background
The micro-nano bubbles are an emerging technology appearing in recent years, ultra-micro bubbles are formed in water through related technologies, the size of the bubbles is between one hundred micrometers and dozens of nanometers, the bubbles are long in existence time, have unique physical and chemical properties which are not possessed by conventional bubbles, and can be used for the field of clothes washing.
The existing washing machine with a micro-bubble generating device can generate micro-bubbles for washing. However, in the related art, the microbubble generator has a fixed housing space, and the amount of air once enclosed is constant, and thus the amount of microbubble water once generated is also constant. However, when washing laundry, the amount of micro bubbles required is different according to different washing amounts or washing modes, and the related art washing machine cannot meet the use requirement.
Disclosure of Invention
The invention aims to provide a microbubble washing machine, which can provide microbubbles with different volumes and meet different washing requirements.
In order to solve the technical problems, the invention adopts the following technical scheme:
according to an aspect of the present invention, there is provided a washing machine including a washing tub, a bubble generator, and a drain pipe; the washing tub is used for placing and washing clothes; the bubble generating device comprises a dissolving cavity, a water outlet pipe extending into the dissolving cavity from the upper part of the dissolving cavity, and a bubble generator arranged on the water outlet pipe; one end of the water outlet pipe, which is positioned in the dissolving cavity, extends from top to bottom and is close to the bottom of the dissolving cavity, and the other end of the water outlet pipe is communicated with the washing barrel; the dissolving cavity is sealed and is selectively communicated with external washing water, so that after the washing water enters the dissolving cavity, gas is dissolved in the washing water under the pressure action of the sealed dissolving cavity, and micro bubbles are generated by the bubble generator on the water outlet pipe and then discharged into the washing barrel; the drain pipe is communicated with the bottom of the dissolving cavity and the washing barrel so as to selectively discharge the washing water in the dissolving cavity into the washing barrel and enable the gas in the washing barrel to enter the dissolving cavity.
In some embodiments of the present application, the outlet pipe comprises a horizontal section and a vertical section connected to one end of the horizontal section, and the vertical section is located in the dissolving cavity; one end of the horizontal section is communicated with the washing barrel, and the other end of the horizontal section extends into the dissolving cavity and is communicated with the vertical section; the lower end of the vertical section is close to the bottom of the dissolution cavity.
In some embodiments of the present application, a flow sensor is disposed on the water outlet pipe downstream of the bubble generator, for detecting a volume of the washing water with micro bubbles discharged into the washing tub in the water outlet pipe.
In some embodiments of the present application, the flow sensor includes a housing having an outlet and an inlet, an impeller rotatably coupled within the housing, and a sensing element; the shell is connected in series with the water outlet pipe through an outlet and an inlet; the sensing part is used for detecting the rotation of impeller to at the microbubble drive when the impeller rotates, the monitoring has the volume of microbubble washing water.
In some embodiments of the present application, a magnet is disposed on the impeller, and the sensing member is a magnetic sensing member to sense a position of the magnet.
In some embodiments of the present application, the dissolution chamber is disposed higher than the washing tub, and a drain valve is disposed on the drain pipe.
In some embodiments of the present application, a water level sensor is disposed at an upper end of the drain pipe near the dissolution chamber.
In some embodiments of the present application, the bubble generating device further comprises a water inlet pipe for introducing the washing water into the dissolving chamber, and the water inlet pipe is provided with a water inlet valve.
According to another aspect of the present invention, the present invention provides a control method of a microbubble washing machine, providing the above-mentioned microbubble washing machine; the control method comprises the following steps: introducing washing water into the dissolving cavity so that gas in the dissolving cavity is dissolved in the washing water under the action of pressure in the dissolving cavity, and discharging the washing water into the washing barrel after the washing water enters the water outlet pipe and generates micro bubbles through the bubble generator on the water outlet pipe; after the water outlet pipe discharges washing water with micro bubbles with a preset volume into the washing barrel, cutting off and introducing the washing water into the dissolving cavity; and discharging the residual washing water in the dissolving cavity into the washing barrel through the drain pipe, and enabling the gas in the washing barrel to enter the dissolving cavity.
In some embodiments of the present application, the discharging of the microbubbles generated in the bubble generating means into the washing tub is repeated; and when the washing water in the washing barrel reaches a preset water level, stopping discharging the micro-bubbles into the washing barrel, and discharging the washing water in the dissolving cavity into the washing barrel.
In some embodiments of the present application, while the water outlet pipe discharges the washing water with micro bubbles into the washing tub, a real-time volume of the washing water discharged into the washing tub by the water outlet pipe is monitored; if the real-time volume is smaller than the preset volume, keeping the water outlet pipe to discharge washing water into the washing barrel; if the real-time volume is larger than or equal to the preset volume, cutting off the introduction of the washing water into the dissolving cavity, so that the water outlet pipe stops discharging the washing water into the washing barrel; and discharging the residual washing water in the dissolving cavity into the washing barrel through a drain pipe.
In some embodiments of the present application, after the water outlet pipe discharges a preset volume of washing water with microbubbles into the washing tub, the introduction of the washing water into the dissolving chamber is cut off; and discharging the residual washing water in the dissolving cavity into the washing barrel through the drain pipe, and enabling the gas in the washing barrel to enter the dissolving cavity.
According to the technical scheme, the invention has at least the following advantages and positive effects:
in the invention, the dissolving cavity is sealed and can be selectively communicated with external washing water, so that after the washing water enters the dissolving cavity, gas is dissolved in the washing water under the pressure action of the sealed dissolving cavity, and micro bubbles are generated by the bubble generator on the water outlet pipe and then discharged into the washing barrel to clean clothes in the washing barrel. The washing water that the intracavity will be dissolved to the drain pipe selectivity discharges to the washtub in to make the interior gas of washtub get into and dissolve the chamber, thereby can be through bubble generating device and drain pipe in proper order and used repeatedly, to the microbubble of discharging different volumes in the washtub, satisfy different washing demands.
Drawings
Fig. 1 is a schematic diagram of an embodiment of a microbubble washing machine according to the present invention.
Fig. 2 is a schematic diagram of a bubble generating device of an embodiment of the microbubble washing machine of the present invention.
Fig. 3 is a schematic structural diagram of a flow sensor of an embodiment of the microbubble washing machine of the present invention.
Fig. 4 is a schematic diagram of a partial structure of a flow sensor of an embodiment of the microbubble washing machine according to the present invention.
Fig. 5 is a schematic structural diagram of an impeller of a flow sensor in an embodiment of the microbubble washing machine according to the present invention.
Fig. 6 is a first flowchart of a control method of the microbubble washing machine of the present invention.
Fig. 7 is a second flowchart of a control method of the microbubble washing machine of the present invention.
Fig. 8 is a general flowchart of a control method of the microbubble washing machine of the present invention.
The reference numerals are explained below: 100. a washing tub; 200. a bubble generating device; 210. a dissolution chamber; 220. a water outlet pipe; 221. a horizontal segment; 222. a vertical section; 230. a bubble generator; 240. a water inlet pipe; 250. A water inlet valve; 260. a flow sensor; 261. a housing; 262. an impeller; 2621. a rotating shaft; 2622. a blade; 263. a sensing member; 264. a magnet; 300. a drain pipe; 310. a drain valve; 320. a water level sensor.
Detailed Description
Exemplary embodiments that embody features and advantages of the invention are described in detail below in the specification. It is to be understood that the invention is capable of other embodiments and that various changes in form and details may be made therein without departing from the scope of the invention and the description and drawings are to be regarded as illustrative in nature and not as restrictive.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
The vertical direction is the up-down direction by taking the state of the washing machine when the washing machine is vertically placed for use as reference.
Fig. 1 is a schematic diagram of an embodiment of a microbubble washing machine according to the present invention.
Referring to fig. 1, the present embodiment provides a washing machine capable of generating microbubbles to wash laundry using the microbubbles. The washing machine can be a roller washing machine or a pulsator washing machine. The washing machine includes a housing (not shown), a washing tub 100 rotatably disposed in the housing, a driving mechanism (not shown) for driving the washing tub 100 to rotate, an air bubble generating device 200, and a drain pipe 300.
The housing is further provided with a delivery mechanism for delivering the washing water to the washing tub 100 and guiding out the washing water in the washing tub 100. In a normal mode, the laundry to be washed is placed in the washing tub 100, the conveying mechanism conveys the washing water into the washing tub 100, the driving mechanism drives the washing tub 100 to rotate, so as to wash the laundry in the washing tub 100, and after the washing is completed, the conveying mechanism discharges the washing water in the washing tub 100.
The housing is provided with a putting-in opening which is communicated with the washing tub 100, and a user can put the washings into the washing tub 100 through the putting-in opening to clean the washings. It should be noted that the washing machine is also provided with a corresponding controller and a control panel, so that different washing modes can be set through the control panel and the controller, and different washing requirements can be met. The control panel is arranged on the outer surface of the shell, and a user can control the operation of the washing machine through the control panel.
The drain pipe 300 communicates the bottom of the dissolving chamber 210 and the washing tub 100 to enable the washing water in the washing tub 100 to be drained into the washing tub 100.
Fig. 2 is a schematic diagram of an embodiment of a bubble generation device 200 of a microbubble washing machine according to the present invention.
Referring to fig. 1 and 2, the bubble generating apparatus 200 includes a dissolving chamber 210, a water outlet pipe 220 extending from an upper portion of the dissolving chamber 210 into the dissolving chamber 210, and a bubble generator 230 disposed on the water outlet pipe 220.
A closed and hollow shell is arranged in the shell, and a dissolving cavity 210 arranged in a sealing way is formed in the shell. The dissolution chamber 210 receives external washing water, the external washing water and the air in the dissolution chamber 210, and the internal pressure of the sealed container is increased, so that the gas in the dissolution chamber 210 is dissolved in the washing water by the pressure of the air water itself.
In this embodiment, the bubble generating device 200 further includes a water inlet pipe 240 for introducing the washing water into the dissolving chamber 210, and the water inlet pipe 240 is provided with a water inlet valve 250, and the external washing water can be selectively communicated through the water inlet valve 250. The water inlet pipe 240 is connected to the upper portion of the dissolving chamber 210 to introduce the washing water into the dissolving chamber 210 from the upper portion of the dissolving chamber 210, thereby effectively preventing the washing water in the dissolving chamber 210 from flowing back.
One end of the water outlet pipe 220 positioned in the dissolving cavity 210 extends from top to bottom and is close to the bottom of the dissolving cavity 210, and the other end of the water outlet pipe 220 is communicated with the washing tub 100; the washing water in the dissolving cavity 210 is melted into the gas in the dissolving cavity 210 under the action of the self-pressure, and then enters the water outlet pipe 220 under the action of the self-pressure, and is discharged into the washing tub 100 after bubbles are generated by the bubble generator 230 on the water outlet pipe 220, so that the clothes in the washing tub 100 are washed by the micro-bubbles. Since the volume of the dissolution chamber 210 is constant, the pressure of the washing water and air in the dissolution chamber 210 is increased in the sealed container, and thus the gas in the dissolution chamber 210 is dissolved in the washing water under the action of the self-pressure. Meanwhile, the water outlet pipe 220 extends into the dissolving cavity 210 from the upper end of the dissolving cavity 210, and the inlet of the water outlet pipe 220 is close to the bottom end of the dissolving cavity 210, so that the washing water in the dissolving cavity 210 can enter the water outlet pipe 220 under the pressure in the dissolving cavity 210, and the washing water in the dissolving cavity 210 is not required to be guided into the water outlet pipe 220 by other structures. Meanwhile, one end of the water outlet pipe 220, which is located in the dissolution cavity 210, extends from top to bottom, so that the washing water in the dissolution cavity 210 can enter the water outlet pipe 220 under a certain pressure, and the gas in the dissolution cavity 210 can enter the water outlet pipe 220 after being dissolved in the washing water.
The water outlet pipe 220 comprises a horizontal section 221 and a vertical section 222 connected to one end of the horizontal section 221, and the vertical section 222 is positioned in the dissolving cavity 210; one end of the horizontal section 221 is communicated with the washing tub 100, and the other end thereof extends into the dissolving cavity 210 and is communicated with the vertical section 222; the lower end of the vertical section 222 is near the bottom of the dissolution chamber 210.
In this embodiment, a flow sensor 260 is disposed on the water outlet pipe 220 downstream of the bubble generator 230, so as to monitor the volume of the washing water liquid with microbubbles discharged from the water outlet pipe 220 into the washing tub 100 by the flow sensor 260.
Fig. 3 is a schematic structural diagram of a flow sensor 260 of an embodiment of the microbubble washing machine according to the present invention. Fig. 4 is a schematic diagram of a partial structure of a flow sensor 260 of an embodiment of the microbubble washing machine according to the present invention. Fig. 5 is a schematic structural diagram of an impeller 262 of a flow sensor 260 of an embodiment of the microbubble washing machine according to the present invention.
Referring to fig. 1 to 5, the flow sensor 260 includes a housing 261 provided with an outlet and an inlet, an impeller 262 rotatably coupled in the housing 261, and a sensing element 263; the outer shell 261 is connected in series with the water outlet pipe 220 through an outlet and an inlet; the sensing member 263 is used to detect the rotation of the impeller 262, so as to monitor the flow rate of the washing water with microbubbles per unit time when the microbubbles drive the impeller 262 to rotate. The volume of microbubble-laden wash water entering the wash tub 100 is monitored by monitoring the flow rate per unit time of the microbubble-laden wash water passing through the flow sensor 260.
In this embodiment, the impeller 262 is provided with a magnet 264, and the sensing element 263 is a magnetic sensing element for sensing the position of the magnet 264. The magnet 264 rotates with the impeller 262, the position of the magnet 264 is changed, so that the magnetic field of the magnet 264 is changed, and the sensing member 263 senses the change of the magnetic field to judge the position of the magnet 264, so that the number of rotations of the impeller 262 is measured, and the volume of the washing water with the micro-bubbles is measured.
In this embodiment, the impeller 262 includes a spindle 2621 rotatably connected to the housing 261, and a plurality of blades 2622 circumferentially arranged around the axis of the spindle 2621 and around the circumference of the spindle 2621 and disposed on the outer circumference of the spindle 2621. The vanes 2622 extend in a radial direction of the spindle 2621, and the vanes 2622 extend in an axial direction of the spindle 2621. In this embodiment, the magnet 264 is disposed on the spindle 2621. In some embodiments, the magnets 264 are disposed on the blades 2622.
Referring to fig. 1 and 2 again, the drain pipe 300 is provided with a drain valve 310, through the drain valve 310, the washing water in the dissolution chamber 210 can be selectively discharged into the washing tub 100, and the gas in the washing tub 100 enters the dissolution chamber 210, so that the air in the dissolution chamber 210 is sufficiently dissolved in the washing water (i.e., after the washing water in the dissolution chamber 210 enters the bubble generator 230, micro-bubbles cannot be generated), the washing water in the dissolution chamber 210 is discharged into the washing tub 100, and the gas in the washing tub 100 is supplemented into the dissolution chamber 210.
The upper end of the drain pipe 300 is provided with a water level sensor 320 near the dissolution chamber 210. Since the water level sensor 320 is disposed on the water discharge pipe 300, when the water level sensor 320 detects that there is no washing water in the water discharge pipe 300, it indicates that the washing water in the dissolving chamber 210 has been completely discharged, so that the gas sufficiently enters the dissolving chamber 210, and more micro bubbles can be subsequently produced. In some embodiments, the water level sensor 320 is disposed at the bottom of the dissolution chamber 210.
The bottom surface of the dissolving chamber 210 is horizontal or the bottom surface of the dissolving chamber 210 is inclined downward toward the direction of the drain pipe 300 to enable the washing water in the dissolving chamber 210 to be completely drained.
In this embodiment, the water level sensor 320 is two opposite electrodes disposed on the drain pipe 300, and whether the washing water in the dissolving chamber 210 is completely drained is determined by whether the two electrodes are conducted. Because the washing water has certain conductivity, when the two electrodes are submerged by the washing water, the two electrodes can be electrically conducted, and whether water exists at the two electrodes can be judged by detecting whether the current is conducted in a circuit connecting the two electrodes. In this embodiment, a liquid level sensor is provided in the washing tub 100 to be able to detect a liquid level height of the washing water in the washing tub 100.
In this embodiment, the water inlet valve 250, the water discharge valve 310, the water level sensor 320 and the liquid level sensor in the washing tub 100 are electrically connected to the controller.
Fig. 6 is a first flowchart of a control method of the microbubble washing machine of the present invention. Fig. 7 is a second flowchart of the control method of the microbubble washing machine of the present invention.
Referring to fig. 1 to 7, based on the above structure, the present application further provides a control method of a microbubble washing machine, including:
the washing water is introduced into the dissolving chamber 210 to dissolve the gas in the dissolving chamber 210 in the washing water under the pressure of the dissolving chamber 210, and the washing water enters the water outlet pipe 220 and is discharged into the washing tub 100 after the micro bubbles are generated by the bubble generator 230 on the water outlet pipe 220. In this embodiment, the drain valve 310 on the drain pipe 300 is closed, the inlet valve 250 on the inlet pipe 240 is opened, so that after the washing water in the dissolving cavity 210 dissolves the dissolved gas in the cavity 210, the washing water with the gas is discharged into the outlet pipe 220 under the pressure action in the dissolving cavity 210, and the micro bubbles generated by the bubble generator 230 on the outlet pipe 220 are discharged into the washing tub 100.
In this embodiment, when the water outlet pipe 220 discharges washing water with micro bubbles into the washing tub 100, the real-time volume of the washing water discharged into the washing tub 100 by the water outlet pipe 220 is detected; if the real-time volume is smaller than the preset volume, the water outlet pipe 220 is kept to discharge the washing water into the washing tub 100; if the real-time volume is greater than or equal to the real-time volume, the introduction of the washing water into the dissolution chamber 210 is cut off, so that the water outlet pipe 220 stops discharging the washing water into the washing tub 100; the remaining washing water in the dissolution chamber 210 is drained into the washing tub 100 through the drain pipe 300. Specifically, the real-time volume of the washing water discharged from the water pipe 220 into the washing tub 100 is detected by the flow sensor 260 on the water outlet pipe 220, and when the real-time volume is smaller than the preset volume, the closing of the water discharge valve 310 and the opening of the water inlet valve 250 are maintained to maintain the discharge of the microbubble washing water from the water outlet pipe 220 into the washing tub 100. When the flow sensor 260 detects that the real-time volume of the washing water discharged from the water pipe 220 into the washing tub 100 is greater than the preset volume, the bubble generating device 200 cannot generate the micro bubbles.
After the water outlet pipe 220 discharges washing water with micro bubbles with a preset volume into the washing tub 100, cutting off the introduction of the washing water into the dissolving cavity 210; the washing water remaining in the dissolution chamber 210 is drained into the washing tub 100 through the drain pipe 300, and the gas in the washing tub 100 is introduced into the dissolution chamber 210. Specifically, since the volume of the sealed dissolution chamber 210 is constant, and the volume of the gas in the dissolution chamber 210 is constant, only a predetermined volume of microbubbles can be obtained at one time. In this embodiment, after the flow sensor 260 detects that a preset volume of microbubbles is discharged into the washing tub 100, the water inlet valve 250 on the water inlet pipe 240 is closed, and the water discharge valve 310 on the water discharge pipe 300 is opened, so as to discharge the washing water in the dissolution chamber 210 into the washing tub 100, and enable the gas in the washing tub 100 to be delivered into the dissolution chamber 210; after the water level sensor 320 detects that the washing water in the dissolution chamber 210 is completely discharged, the drain valve 310 is closed.
Detecting whether the dissolution chamber 210 is empty when the dissolution chamber 210 discharges the washing water into the washing tub 100 through the drain pipe 300; if the washing water in the dissolving chamber 210 is not drained, the drain pipe 300 is maintained to drain the washing tub 100; if the washing water in the dissolving chamber 210 is exhausted, the drain pipe 300 is closed. Specifically, in the course of discharging the washing water from the dissolution chamber 210 to the washing tub 100 by opening the drain valve 310 of the drain pipe 300, whether the washing water remains in the dissolution chamber 210 is detected by the water level sensor 320 in the course of the discharge. If the two electrodes of the water level sensor 320 are electrically connected, the drain valve is kept open, and the washing water in the dissolution chamber 210 is continuously drained into the washing tub 100, and if the two electrodes of the water level sensor 320 are not electrically connected, it is indicated that the washing water in the dissolution chamber 210 is completely drained, and the drain valve 310 is closed.
The micro bubbles generated in the bubble generating device 200 are repeatedly discharged into the washing tub 100, and when the washing water in the washing tub 100 reaches a preset water level, the micro bubbles are stopped being discharged into the washing tub 100, and the washing water in the dissolution chamber 210 is discharged into the washing tub 100. In this embodiment, the micro bubbles generated in the bubble generating device 200 are repeatedly discharged into the washing tub 100 by repeatedly opening and closing the water inlet valve 250 and the water discharge valve 310, after the liquid level sensor in the washing tub 100 detects that the liquid level in the washing tub 100 reaches the preset water level, the water inlet valve 250 is closed, the water discharge valve 310 is opened to discharge the remaining washing water in the dissolution cavity 210 into the washing tub 100, the water discharge valve 310 is closed, and the controller controls the driving mechanism to drive the washing tub 100 to rotate, so as to clean the clothes in the washing tub 100.
Fig. 8 is a general flowchart of a control method of the microbubble washing machine of the present invention.
Referring to fig. 1 to 8, in the present embodiment, the bubble generating device 200 is used as a part of a conveying mechanism for conveying washing water into the washing tub 100. In some embodiments, the washing tub 100 is additionally provided with a structure for delivering washing water into the washing tub 100.
In the normal washing mode, the washing water is introduced into the dissolving chamber 210, and the washing water in the dissolving chamber 210 is directly discharged into the washing tub 100 through the drain pipe 300, after the liquid level height in the washing tub 100 reaches a preset height, the introduction of the washing water into the dissolving chamber 210 is stopped, the washing water in the dissolving chamber 210 is completely discharged into the washing tub 100, and the washing tub 100 is rotated to wash the laundry.
Specifically, in the conventional mode, the water inlet valve 250 on the water inlet pipe 240 and the water discharge valve 310 on the water discharge pipe 300 are opened, and the washing water introduced into the dissolution chamber 210 is directly transferred into the washing tub 100. In the process of supplying the washing water into the washing tub 100, after the liquid level sensor in the washing tub 100 detects that the liquid level in the washing tub 100 reaches the preset liquid level height, the water inlet valve 250 on the water inlet pipe 240 is closed, and the water discharge valve 310 on the water discharge pipe 300 is kept open. If the two electrodes of the water level sensor 320 are electrically connected, the drain valve is kept open, and the washing water in the dissolution chamber 210 is continuously drained into the washing tub 100, and if the two electrodes of the water level sensor 320 are not electrically connected, it is indicated that the washing water in the dissolution chamber 210 is completely drained, and the drain valve 310 is closed.
In the present invention, when the washing water is discharged into the washing tub 100 through the drain pipe 300, air can be simultaneously introduced into the dissolving chamber 210, and the air intake of the dissolving chamber 210 and the water intake of the washing tub 100 are simultaneously performed, thereby saving the washing time of the washing machine.
While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the metes and bounds of the claims, or equivalence of such metes and bounds are therefore intended to be embraced by the appended claims.
Claims (12)
1. A microbubble washing machine characterized by comprising:
a washing tub for placing and washing laundry;
the bubble generating device comprises a dissolving cavity, a water outlet pipe extending into the dissolving cavity from the upper part of the dissolving cavity, and a bubble generator arranged on the water outlet pipe; one end of the water outlet pipe, which is positioned in the dissolving cavity, extends from top to bottom and is close to the bottom of the dissolving cavity, and the other end of the water outlet pipe is communicated with the washing barrel; the dissolving cavity is sealed and is selectively communicated with external washing water, so that after the washing water enters the dissolving cavity, gas is dissolved in the washing water under the pressure action of the sealed dissolving cavity, and micro bubbles are generated by the bubble generator on the water outlet pipe and then discharged into the washing barrel;
and the water discharge pipe is communicated with the bottom of the dissolving cavity and the washing barrel so as to selectively discharge the washing water in the dissolving cavity into the washing barrel and enable the gas in the washing barrel to enter the dissolving cavity.
2. The microbubble washing machine of claim 1, wherein the water outlet pipe comprises a horizontal section and a vertical section connected to one end of the horizontal section, the vertical section being located in the dissolving chamber; one end of the horizontal section is communicated with the washing barrel, and the other end of the horizontal section extends into the dissolving cavity and is communicated with the vertical section; the lower end of the vertical section is close to the bottom of the dissolution cavity.
3. The machine of claim 1, wherein the outlet pipe is provided with a flow sensor downstream of the bubble generator for detecting a volume of the microbubble washing water discharged into the washing tub in the outlet pipe.
4. A micro-bubble washing machine according to claim 3, wherein the flow sensor comprises a housing provided with an outlet and an inlet, an impeller rotatably connected within the housing, and a sensing member; the shell is connected in series with the water outlet pipe through an outlet and an inlet; the sensing part is used for detecting the rotation of impeller to at the microbubble drive when the impeller rotates, the monitoring has the volume of microbubble washing water.
5. The machine of claim 4, wherein the impeller is provided with a magnet, and the sensing member is a magnetic sensing member for sensing a position of the magnet.
6. The machine of claim 1, wherein the dissolution chamber is disposed higher than the washing tub, and a drain valve is disposed on the drain pipe.
7. The machine of claim 1, wherein a water level sensor is provided at an upper end of the drain pipe near the dissolving chamber.
8. The machine of claim 1, wherein the bubble generating means further comprises a water inlet pipe for introducing washing water into the dissolving chamber, the water inlet pipe being provided with a water inlet valve.
9. A control method of a microbubble washing machine, characterized by providing a microbubble washing machine as claimed in any one of claims 1 to 8; the control method comprises the following steps:
introducing washing water into the dissolving cavity so that gas in the dissolving cavity is dissolved in the washing water under the action of pressure in the dissolving cavity, and discharging the washing water into the washing barrel after the washing water enters the water outlet pipe and generates micro bubbles through the bubble generator on the water outlet pipe;
after the water outlet pipe discharges washing water with micro bubbles with a preset volume into the washing barrel, cutting off and introducing the washing water into the dissolving cavity; and discharging the residual washing water in the dissolving cavity into the washing barrel through the drain pipe, and enabling the gas in the washing barrel to enter the dissolving cavity.
10. The control method according to claim 9, wherein discharging of microbubbles generated in the bubble generating device into the washing tub is repeated; and when the washing water in the washing barrel reaches a preset water level, stopping discharging the micro-bubbles into the washing barrel, and discharging the washing water in the dissolving cavity into the washing barrel.
11. The control method according to claim 9, wherein a real-time volume of the washing water discharged into the washing tub by the water outlet pipe is monitored while the water outlet pipe discharges the washing water with the microbubbles into the washing tub;
if the real-time volume is smaller than the preset volume, keeping the water outlet pipe to discharge washing water into the washing barrel;
if the real-time volume is larger than or equal to the preset volume, cutting off the introduction of the washing water into the dissolving cavity, so that the water outlet pipe stops discharging the washing water into the washing barrel; and discharging the residual washing water in the dissolving cavity into the washing barrel through a drain pipe.
12. The control method according to claim 9, wherein after the water outlet pipe discharges a preset volume of washing water with microbubbles into the washing tub, the introduction of the washing water into the dissolving chamber is intercepted; and discharging the residual washing water in the dissolving cavity into the washing barrel through the drain pipe, and enabling the gas in the washing barrel to enter the dissolving cavity.
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