CN112244721B - Cleaning machine and cleaning method - Google Patents
Cleaning machine and cleaning method Download PDFInfo
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- CN112244721B CN112244721B CN202011063449.4A CN202011063449A CN112244721B CN 112244721 B CN112244721 B CN 112244721B CN 202011063449 A CN202011063449 A CN 202011063449A CN 112244721 B CN112244721 B CN 112244721B
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- water
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
- A47L15/18—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with movably-mounted spraying devices
- A47L15/22—Rotary spraying devices
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
- A47L15/0021—Regulation of operational steps within the washing processes, e.g. optimisation or improvement of operational steps depending from the detergent nature or from the condition of the crockery
- A47L15/0028—Washing phases
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
- A47L15/0021—Regulation of operational steps within the washing processes, e.g. optimisation or improvement of operational steps depending from the detergent nature or from the condition of the crockery
- A47L15/0034—Drying phases, including dripping-off phases
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
- A47L15/0044—Operation time reduction
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
- A47L15/4217—Fittings for water supply, e.g. valves or plumbing means to connect to cold or warm water lines, aquastops
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
- A47L15/4223—Devices for water discharge, e.g. devices to prevent siphoning, non-return valves
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4234—Steam generating arrangements
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4278—Nozzles
- A47L15/428—Rotary nozzles
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4285—Water-heater arrangements
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/48—Drying arrangements
- A47L15/486—Blower arrangements
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2601/00—Washing methods characterised by the use of a particular treatment
- A47L2601/02—Pressurised cleaning liquid delivered by a pump
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2601/00—Washing methods characterised by the use of a particular treatment
- A47L2601/04—Steam
Abstract
The invention relates to a cleaning machine and a cleaning method, comprising a box body with a washing cavity, a water pumping component, a box body, a heating component and a first impeller, wherein the bottom of the box body is provided with a drain pipe, and a power output shaft of the water pumping component is hollow to form a guide pipe; the box body is arranged at the bottom of the water pumping assembly and is provided with an accommodating bin, the top of the accommodating bin is communicated with the lower end of the guide pipe, and the bottom of the accommodating bin is communicated with the upper part of the drain pipe through the water guide pipe; the heating member is arranged in the accommodating bin and used for heating water entering the accommodating bin through the drain pipe to raise the temperature or heating the water into steam. The steam pre-cleaning, water heating, water washing and drying structure is integrated together, a first circulating flow channel taking the washing cavity, the upper part of the drain pipe, the water guide pipe, the accommodating bin and the guide pipe as a route and a second circulating flow channel taking the washing cavity and the water pumping assembly as a route are formed, and the steam pre-cleaning, water heating, water washing and drying structure is beneficial to improving the compactness of the whole machine and reducing the cost; the first circulation flow channel can realize steam prewashing, water heating and drying functions, and the second circulation flow channel is used for realizing the washing function.
Description
Technical Field
The present invention relates to a washing machine and a washing method for washing tableware.
Background
A dishwasher is an apparatus that sprays cold or hot water to dishes to remove dirt adhered to the dishes and wash the dishes. Dishes are placed in a dish frame inside a dish washing cabinet, and a general dish washing machine includes a pump and a spray head to spray washing water, a heater to generate hot water, and the like.
The water tank type cleaning machine disclosed in the applicant's chinese patent application No. 201320889945.4 comprises a tank body forming a washing space, the tank body comprises a water tank spray arm and a cover plate rotatably connected to the water tank spray arm, the bottom of the water tank spray arm is provided with a recessed draining area at least at the central part, a water pump for pumping water in the draining area to the washing space above the draining area is arranged in the draining area, the draining area is covered with a draining plate with draining holes, a rotary spray arm for pumping water is arranged above the draining plate, and a heater is further arranged in the draining area and used for heating washing water.
In order to improve the cleaning effect, the existing cleaning machine has a structure that a steam generator is arranged outside a box body and steam is introduced into a washing cavity for pre-cleaning. In order to dry the washed dishes, a heating device and a blowing structure are separately provided. This results in a complex and costly overall dishwasher.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides a cleaning machine which integrates structures of steam pre-cleaning, water heating, water washing and drying together so as to improve the compactness of the whole machine and reduce the cost.
Another technical problem to be solved by the present invention is to provide a cleaning method of the above cleaning machine, aiming at the current situation of the prior art, which is beneficial to improving the cleaning effect and shortening the cleaning time.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a cleaning machine, includes the box that has the washing chamber, it has the outlet to open on the box diapire, the bottom half is provided with the drain pipe that is connected with this outlet, its characterized in that: also comprises
The water pumping assembly is arranged at the bottom of the box body and is provided with a power output shaft which vertically penetrates through the bottom wall of the box body, and the power output shaft is hollow to form a vertically-through conduit;
the box body is arranged at the bottom of the water pumping assembly and is provided with an accommodating bin, the top of the accommodating bin is communicated with the lower end of the guide pipe, the bottom of the accommodating bin is communicated with the upper part of the water drainage pipe through a water guide pipe, and the lower part of the water drainage pipe is provided with a water drainage valve;
the heating element is arranged in the accommodating bin and is used for heating water entering the accommodating bin through the drain pipe to raise the temperature or to steam; and
the first impeller is arranged at the top of the power output shaft and synchronously rotates along with the power output shaft, and is used for drawing the steam or hot water in the accommodating bin upwards into the washing cavity;
the washing cavity, the upper part of the drain pipe, the water guide pipe, the containing bin and the guide pipe form a first circulating flow channel together, a second circulating flow channel is formed between the washing cavity and the water pumping assembly, the power output shaft is matched with the first impeller to enable steam or water to flow along the first circulating flow channel, and the water pumping assembly is used for enabling water to flow along the second circulating flow channel.
In the above scheme, the water pumping assembly comprises a spraying arm, an impeller assembly and a motor, the spraying arm is supported at the bottom of the washing cavity, a water inlet is formed in the bottom wall of the washing cavity, a water spraying hole is formed in the top wall of the washing cavity, the impeller assembly is arranged at the bottom of the washing cavity and used for pumping water at the bottom of the box body into the spraying arm, the motor is arranged on the bottom wall of the box body, and the power output shaft penetrates through the bottom wall of the box body to be connected with the impeller assembly.
Preferably, a shaft hole for the power output shaft to pass through is formed in the top wall of the spray arm, an accommodating box arranged around the periphery of the shaft hole is further arranged on the top wall of the spray arm, an opening is formed in the top wall of the accommodating box, and the first impeller is located in the accommodating box. The accommodating box is arranged to prevent the water falling back after spraying from interfering with the upper end of the guide pipe.
Preferably, the box body is arranged at the bottom of the motor and is provided with a top opening so as to surround the lower port of the guide pipe, and a filter screen is arranged between the accommodating bin and the water guide pipe. To avoid food waste entering the conduit and clogging it.
In order to facilitate assembly, a concave draining area is arranged at the bottom of the box body, a flow guide seat is arranged in the draining area, and the spray arm can be rotatably supported at the top of the flow guide seat.
In the invention, the central part of the spray arm is provided with a water collecting cavity, two sides of the water collecting cavity are respectively connected with a flow channel extending along the length direction of the spray arm, and the impeller assembly comprises a centrifugal impeller positioned in the water collecting cavity and an axial flow impeller positioned below the spray arm. The central part of the flow guide seat is provided with a flow guide sleeve which extends downwards from the edge of a water inlet of the spray arm, the axial-flow impeller is positioned in the flow guide sleeve, and a space is reserved between the flow guide sleeve and the bottom wall of the draining area.
Preferably, the first impeller is an impeller of an axial flow structure. So as to draw steam or water from bottom to top.
The cleaning method of the cleaning machine is characterized by comprising the following steps:
(1) steam prewashing
Keeping the drain valve closed, and feeding a small amount of water into the washing cavity, wherein the part of the water enters the accommodating bin through the upper part of the drain pipe and the water guide pipe; the heating element operates to heat the part of the water into steam; the power output shaft of the water pumping assembly rotates to drive the first impeller to rotate, so that steam is sucked from the accommodating bin from bottom to top and is diffused into the washing cavity to pre-wash dishes with the steam;
(2) washing with water
Keeping the drain valve closed, feeding water with washing dosage into the washing cavity, and allowing part of water to enter the accommodating bin through the upper part of the drain pipe and the water guide pipe; the heating element operates to heat the water in the accommodating bin to the required water washing temperature; the water pumping assembly operates, and water flow is continuously heated through the first circulating flow channel and is sprayed and cleaned through the second circulating flow channel;
(3) drying by baking
Opening a drain valve, and closing the drain valve after draining water in the washing cavity; the heating member operation heats the air in the holding bin, and the power output shaft of the water pumping assembly rotates to drive the first impeller to rotate, so that the heated air in the holding bin is continuously conveyed to the washing chamber, and dishes are dried.
The cleaning method carries out steam prewashing firstly, is beneficial to softening stubborn dirt, then carries out water washing, is beneficial to improving the cleaning effect, shortening the cleaning time, dries the bowls and dishes, can keep the bowls and dishes clean, and provides the user experience.
Compared with the prior art, the invention has the advantages that: the steam pre-cleaning, water heating, water washing and drying structure is integrated together, a first circulating flow channel taking the washing cavity, the upper part of the drain pipe, the water guide pipe, the accommodating bin and the guide pipe as a route and a second circulating flow channel taking the washing cavity and the water pumping assembly as a route are formed, and the steam pre-cleaning, water heating, water washing and drying structure is beneficial to improving the compactness of the whole machine and reducing the cost; the first circulation flow channel can realize steam prewashing, water heating and drying functions, the second circulation flow channel is used for realizing the washing function, and the first circulation flow channel and the second circulation flow channel are mutually assisted, so that the cleaning effect is improved, and the cleaning time is shortened.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic bottom view of FIG. 1;
FIG. 3 is a cross-sectional view of an embodiment of the present invention;
fig. 4 is a schematic view of a flow channel structure according to an embodiment of the invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 4, the cleaning machine of the present embodiment includes a box 1, a water pumping assembly 2, a box 3, a heating member 4, and a first impeller 5, wherein the box 1 has a washing chamber 11, a water outlet 12 is formed on a bottom wall of the box 1, and a water outlet pipe 13 connected to the water outlet 12 is disposed at a bottom of the box 1.
In this embodiment, the water pumping assembly 2 is disposed at the bottom of the box 1, and includes a spraying arm 21, an impeller assembly 22 and a motor 23, the bottom of the box 1 is provided with a concave draining area 14, a diversion seat 15 is disposed in the draining area 14, and the spraying arm 21 is rotatably supported on the top of the diversion seat 15. The bottom wall of the spray arm 21 is provided with a water inlet 211, the top wall is provided with a water spraying hole 212, the central part of the spray arm 21 is provided with a water collecting cavity 213, two sides of the water collecting cavity 213 are respectively connected with a flow channel extending along the length direction of the spray arm 21, and the impeller assembly 22 comprises a centrifugal impeller 221 positioned in the water collecting cavity 213 and an axial flow impeller 222 positioned below the spray arm 21. The central part of the guide base 15 is provided with a guide sleeve 151 extending downwards from the edge of the water inlet 211 of the spray arm 21, the axial-flow impeller 222 is positioned in the guide sleeve 151, and a distance is reserved between the guide sleeve 151 and the bottom wall of the draining area 14. The impeller assembly 22 is used to pump water from the bottom of the tank 1 into the spray arm 21. The motor 23 is arranged on the outer bottom wall of the box body 1, and the power output shaft 231 penetrates through the bottom wall of the box body 1 to be connected with the impeller assembly 22.
The power output shaft 231 penetrates through the bottom wall of the box body 1 and is vertically arranged, and a guide pipe 230 which penetrates through the power output shaft 231 is formed in a hollow mode. The box body 3 is arranged at the bottom of the water pumping assembly 2 and is provided with a containing bin 31, the top of the containing bin 31 is communicated with the lower end of the guide pipe 230, the bottom of the containing bin 31 is communicated with the upper part of the drain pipe 13 through the water guide pipe 16, and the lower part of the drain pipe 13 is provided with a drain valve 17. The heating member 4 is disposed in the accommodating chamber 31, and is used for heating water entering the accommodating chamber 31 through the water discharge pipe 13 to raise the temperature or heating the water into steam. The first impeller 5 is disposed on the top of the power output shaft 231 and rotates synchronously therewith, for drawing the steam or hot water in the accommodating chamber 31 upwards into the washing chamber 11.
In this embodiment, a first circulation flow channel a is formed among the washing chamber 11, the upper portion of the water discharge pipe 13, the water guide pipe 16, the accommodating chamber 31, and the guide pipe 230, a second circulation flow channel b is formed between the washing chamber 11 and the spray arm 21 of the water pumping assembly 2, the power output shaft 231 is matched with the first impeller 5 to enable steam or water to flow along the first circulation flow channel a, and the water pumping assembly 2 is used to enable water to flow along the second circulation flow channel b.
The top wall of the spray arm 21 is provided with a shaft hole 214 for the power output shaft 231 to pass through, the top wall of the spray arm 21 is further provided with a containing box 215 arranged around the periphery of the shaft hole 214, the top wall of the containing box 215 is provided with an opening 216, and the first impeller 5 is located in the containing box 215. The receiving box 215 is provided to prevent water falling after spraying from interfering with the upper end of the guide pipe 230.
The box body 3 is disposed at the bottom of the motor 23 and has an open top to enclose the lower port of the duct 230 therein, and a filter screen 32 is disposed between the accommodating chamber 31 and the water guide pipe 16 to prevent food waste from entering the duct 230 and blocking the same.
The first impeller 5 of the present embodiment is an impeller of an axial flow structure so as to draw steam or water from below to above. The side wall of the upper part of the box body 1 is provided with a ventilation port 18 for discharging moisture in the washing cavity 11 and allowing air to enter.
The cleaning method of the cleaning machine comprises the following steps:
(1) steam prewashing
Keeping the drain valve 17 closed, and feeding a small amount of water into the washing cavity 11, wherein the water enters the accommodating bin 31 through the upper part of the drain pipe 13 and the water guide pipe 16; the heating element 4 operates to heat the portion of water into steam; the power output shaft 231 of the water pumping assembly 2 rotates to drive the first impeller 5 to rotate, and the steam is drawn from the containing bin 31 from bottom to top through the conduit 230 and is diffused into the washing cavity 11 to pre-wash the dishes with the steam;
(2) washing with water
Keeping the drain valve 17 closed, feeding water with washing dosage into the washing cavity 11, and allowing part of water to enter the accommodating bin 31 through the upper part of the drain pipe 13 and the water guide pipe 16; the heating element 4 operates to heat the water in the accommodating bin 31 to a required water washing temperature; the water pumping component 2 operates, and water flow continuously passes through the first circulating flow channel a to heat water flow and simultaneously passes through the second circulating flow channel b to perform spray cleaning;
(3) drying by baking
The drain valve 17 is opened, and after the water in the washing cavity 11 is drained, the drain valve 17 is closed; the heating element 4 operates to heat the air in the accommodating bin 31, the power output shaft 231 of the water pumping component 2 rotates to drive the first impeller 5 to rotate, the heated air in the accommodating bin 31 is continuously conveyed to the washing chamber 11, and dishes are dried.
The cleaning method carries out steam prewashing firstly, is beneficial to softening stubborn dirt, then carries out water washing, is beneficial to improving the cleaning effect, shortening the cleaning time, dries the bowls and dishes, can keep the bowls and dishes clean, and provides the user experience.
Claims (8)
1. A cleaning machine comprises a box body (1) with a washing cavity (11), a water outlet (12) is formed in the bottom wall of the box body (1), a water drain pipe (13) connected with the water outlet (12) is arranged at the bottom of the box body (1), and the cleaning machine is characterized in that: also comprises
The water pumping assembly (2) is arranged at the bottom of the box body (1), is provided with a power output shaft (231) which vertically penetrates through the bottom wall of the box body (1), and is internally hollow to form a vertically-through conduit (230);
the box body (3) is arranged at the bottom of the water pumping assembly (2) and is provided with an accommodating bin (31), the top of the accommodating bin (31) is communicated with the lower end of the guide pipe (230), the bottom of the accommodating bin is communicated with the upper part of the drain pipe (13) through a water guide pipe (16), and the lower part of the drain pipe (13) is provided with a drain valve (17);
the heating element (4) is arranged in the accommodating bin (31) and is used for heating water entering the accommodating bin (31) through the drain pipe (13) to raise the temperature or to be steam; and
the first impeller (5) is arranged at the top of the power output shaft (231) and synchronously rotates along with the power output shaft, and is used for drawing the steam or hot water in the accommodating bin (31) upwards into the washing cavity (11); the first impeller (5) is an impeller with an axial flow structure;
a first circulation flow channel (a) is formed among the washing cavity (11), the upper part of the water drainage pipe (13), the water guide pipe (16), the containing bin (31) and the guide pipe (230), a second circulation flow channel (b) is formed between the washing cavity (11) and the water pumping assembly (2), the power output shaft (231) is matched with the first impeller (5) and used for enabling steam or water to flow along the first circulation flow channel (a), and the water pumping assembly (2) is used for enabling water to flow along the second circulation flow channel (b).
2. The cleaning machine of claim 1, wherein: the water pumping assembly (2) comprises a spraying arm (21), an impeller assembly (22) and a motor (23), the spraying arm (21) is supported at the bottom of the washing cavity (11) and the bottom wall of the spraying arm is provided with a water inlet (211), the top wall of the washing cavity is provided with a water spraying hole (212), the impeller assembly (22) is arranged at the bottom of the washing cavity (11) and is used for pumping water from the bottom of the box body (1) to the spraying arm (21), the motor (23) is arranged on the outer bottom wall of the box body (1), and a power output shaft (231) penetrates through the bottom wall of the box body (1) and is connected with the impeller assembly (22).
3. The cleaning machine of claim 2, wherein: the top wall of the spray arm (21) is provided with a shaft hole (214) for a power output shaft (231) to pass through, the top wall of the spray arm (21) is further provided with an accommodating box (215) arranged around the periphery of the shaft hole (214), the top wall of the accommodating box (215) is provided with an opening (2151), and the first impeller (5) is located in the accommodating box (215).
4. The cleaning machine of claim 2, wherein: the box body (3) is arranged at the bottom of the motor (23) and is provided with an opening at the top so as to surround the lower port of the guide pipe (230), and a filter screen (32) is arranged between the accommodating bin (31) and the water guide pipe (16).
5. The cleaning machine of any one of claims 2 to 4, wherein: the box body (1) bottom is provided with recessed waterlogging caused by excessive rainfall region (14), is provided with water conservancy diversion seat (15) in this waterlogging caused by excessive rainfall region (14), spray arm (21) can support in the top of this water conservancy diversion seat (15) with rotating.
6. The cleaning machine of claim 5, wherein: the central part of the spray arm (21) is provided with a water collecting cavity (213), two sides of the water collecting cavity (213) are respectively connected with a flow channel extending along the length direction of the spray arm (21), and the impeller assembly (22) comprises a centrifugal impeller (221) positioned in the water collecting cavity (213) and an axial flow impeller (222) positioned below the spray arm (21).
7. The cleaning machine of claim 6, wherein: the central part of the flow guide seat (15) is provided with a flow guide sleeve (151) extending downwards from the edge of a water inlet (211) of the spray arm (21), the axial flow impeller (222) is positioned in the flow guide sleeve (151), and a distance is reserved between the flow guide sleeve (151) and the bottom wall of the draining area (14).
8. A method of cleaning a cleaning machine according to any one of claims 1 to 7, comprising the steps of:
(1) steam prewashing
Keeping the drain valve (17) closed, and feeding a small amount of water into the washing cavity (11), wherein the water enters the accommodating bin (31) through the upper part of the drain pipe (13) and the water guide pipe (16); the heating element (4) is operated to heat the part of the water into steam; a power output shaft (231) of the water pumping assembly (2) rotates to drive the first impeller (5) to rotate, so that steam is sucked from the accommodating bin (31) from bottom to top and is diffused into the washing cavity (11) to pre-wash dishes by steam;
(2) washing with water
Keeping the drain valve (17) closed, feeding washing water into the washing cavity (11), and allowing part of water to enter the accommodating bin (31) through the upper part of the drain pipe (13) and the water guide pipe (16); the heating element (4) operates to heat the water in the accommodating bin (31) to the required water washing temperature; the water pumping component (2) operates, so that water flow continuously passes through the first circulating flow channel (a) for heating while spraying and cleaning are carried out through the second circulating flow channel (b) while water flow continuously passes through the first circulating flow channel (a);
(3) drying by baking
The drain valve (17) is opened, and after the water in the washing cavity (11) is drained completely, the drain valve (17) is closed; the heating element (4) operates to heat the air in the accommodating bin (31), the power output shaft (213) of the water pumping component (2) rotates to drive the first impeller (5) to rotate, the heated air in the accommodating bin (31) is continuously conveyed to the washing chamber (11), and dishes are dried.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011063449.4A CN112244721B (en) | 2020-09-30 | 2020-09-30 | Cleaning machine and cleaning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011063449.4A CN112244721B (en) | 2020-09-30 | 2020-09-30 | Cleaning machine and cleaning method |
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| CN112244721A CN112244721A (en) | 2021-01-22 |
| CN112244721B true CN112244721B (en) | 2022-03-18 |
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| CN202011063449.4A Active CN112244721B (en) | 2020-09-30 | 2020-09-30 | Cleaning machine and cleaning method |
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| CN113865077B (en) * | 2021-09-15 | 2022-11-18 | 珠海格力电器股份有限公司 | Heating member installation mechanism and water purifying dispenser |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5743281A (en) * | 1991-12-20 | 1998-04-28 | Fisher & Paykel Limited | Dishwasher |
| CN106937851A (en) * | 2016-01-04 | 2017-07-11 | Lg电子株式会社 | Dishwasher and its control method |
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| CN112244721A (en) | 2021-01-22 |
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