CN108451472B - Pulse type drainage method for dish washing machine and dish washing machine using same - Google Patents
Pulse type drainage method for dish washing machine and dish washing machine using same Download PDFInfo
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- CN108451472B CN108451472B CN201810550091.4A CN201810550091A CN108451472B CN 108451472 B CN108451472 B CN 108451472B CN 201810550091 A CN201810550091 A CN 201810550091A CN 108451472 B CN108451472 B CN 108451472B
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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
- A47L15/0002—Washing processes, i.e. machine working principles characterised by phases or operational steps
- A47L15/001—Drain phases, including initial, intermediate or partial draining 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
- A47L15/0031—Water discharge 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
- A47L15/0047—Energy or water consumption, e.g. by saving energy or 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
- A47L15/42—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
- A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
- A47L15/4225—Arrangements or adaption of recirculation or discharge pumps
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Washing And Drying Of Tableware (AREA)
Abstract
The invention discloses a pulse type drainage method for a dish washing machine and the dish washing machine using the same, step A1, a drainage pump keeps a closed state, a washing pump is operated until reaching a preset drainage time and then closed, so that pollutants flow to a drainage outlet of an inner container along with water flow; step A2, the washing pump keeps a closed state, and the drainage pump is operated until reaching a preset pulse drainage time and then closed; and step A3, continuously executing step A1 and step A2 in a circulating mode until the circulation times reach the preset pulse drainage times, keeping the washing pump in a closed state, and operating the drainage pump until water is completely drained. Therefore, a small amount of water is used for flushing and discharging the pollutants, secondary pollution is solved, the washing water consumption is very low, and the pulse type small-flow water discharging and pollution discharging effect is realized.
Description
Technical Field
The invention relates to the field of dish washing machines, in particular to a pulse type water drainage method for a dish washing machine and the dish washing machine using the same.
Background
A dishwasher is a device for washing garbage such as food residue attached to tableware, cookware, or the like using detergent and washing water. The water used in each washing cycle of the dish-washing machine is circulating water, and a water cup used for storing water and placing a filter screen is generally arranged at the bottom of an inner container of the dish-washing machine. In the washing process, circulating water in the water cup is pressed into the pipeline through the washing pump suction pump and then enters the spraying arm to wash the tableware, and the circulating water flows into the bottom from the tableware and the inner wall of the inner container and then enters the water cup.
The drainage pump of the existing dish washer is opened once to drain the pollutants along with the water flow. However, many times, contaminants are attached to the filter screen, resulting in secondary pollution. In order to avoid the situation, the existing dish-washing machine needs to inject water into the inner container and drain water in turn for many times so as to thoroughly drain the pollutants, but the method has large water consumption and does not meet the requirements of energy conservation and environmental protection.
Disclosure of Invention
The invention aims to provide a pulse type drainage method for a dish washing machine and the dish washing machine using the same.
In order to achieve the purpose, the invention adopts the following technical scheme:
a pulse type water draining method for a dish washing machine, wherein the dish washing machine is provided with an inner container, a water cup used for storing water and placing a filter screen group is arranged at the bottom of the inner container, the water cup is communicated with a spray arm group through a washing pump, the water cup is communicated with a water draining pipe group through a water draining pump, the dish washing machine is provided with a cleaning program and a water draining program, and the water draining program comprises the following steps:
step A1, the drainage pump keeps closed, the washing pump is operated until reaching the preset drainage time and then closed, so that the pollutants flow to the drainage port of the inner container along with the water flow;
step A2, the washing pump keeps a closed state, and the drainage pump is operated until reaching a preset pulse drainage time and then closed;
and step A3, continuously executing step A1 and step A2 in a circulating mode until the circulation times reach the preset pulse drainage times, keeping the washing pump in a closed state, and operating the drainage pump until water is completely drained.
Preferably, in the step A1, the sewage discharge time is 1-2 min, namely the washing pump is closed after being operated for 1-2 min;
in the step A2, the pulse drainage time is 1-20 s, namely the drainage pump is closed after being operated for 1-20 s;
in the step A3, the pulse drainage frequency is 1-30 times, namely the step A1 and the step A2 are continuously and circularly executed until the circulation frequency reaches 1-30 times, the washing pump keeps a closed state, and the drainage pump is operated until the water is completely drained.
Preferably, the washing program includes a self-priming program, a pre-washing program and a main washing program, the pre-washing program including the steps of:
step B1, after the water injection program is finished, the washing pump is closed until the preset transition time is reached, and the spray arm group stores water;
step B2, the washing pump is started again, and the pre-washing program is entered;
step B3, the washing pump is operated until reaching the preset pre-washing time and then is closed, and the spray arm group stores water;
step B4, when reaching the preset water storage time, restarting the washing pump for pre-washing;
and step B5, continuously executing the step B3 and the step B4 in a circulating mode until the circulating times reach the preset pre-washing times, ending the pre-washing program, and entering the main washing program.
Preferably, in the step B1, the transition time is 1-2 min, namely, the washing pump is closed for 1-2 min after the self-water injection module is finished;
in the step B3, the pre-washing time is 2-5 min, namely the washing pump is closed after running for 2-5 min;
in the step B4, the water storage time is 1-2 min, namely the washing pump is turned on again after being turned off for 1-2 min;
in the step B5, the number of times of pre-washing is 5-20, that is, the step B3 and the step B4 are continuously and circularly executed until the number of times of circulation reaches 5-20, and then the pre-washing module is ended.
Preferably, a dishwasher using a pulse type drainage method is provided with an inner container, a water cup for storing water and placing a filter screen group is provided at the bottom of the inner container, the water cup is communicated with a spray arm group through a washing pump, and the water cup is communicated with a drainage pipe group through a drainage pump, the dishwasher is provided with a washing control system and a drainage control system, the drainage control system comprises:
the blowdown module is used for keeping the drainage pump in a closed state, operating the washing pump until the preset blowdown time is reached, and then closing the washing pump to enable pollutants to flow to a blowdown port of the inner container along with water flow;
the pulse drainage module is used for keeping the washing pump in a closed state and operating the drainage pump until the preset pulse drainage time is reached and then closing the drainage pump;
and the control module is used for continuously and circularly executing the pollution discharge module and the pulse drainage module until the circulation times reach the preset pulse drainage times, keeping the washing pump in a closed state, and operating the drainage pump until water is completely drained.
Preferably, in the pollution discharge module, the pollution discharge time is 1-2 min, namely the washing pump is closed after being operated for 1-2 min;
in the pulse drainage module, the pulse drainage time is 1-20 s, namely, the drainage pump is closed after being operated for 1-20 s;
in the control module, the pulse drainage frequency is 1-30, namely the pollution discharge module and the pulse drainage module are continuously and circularly executed until the circulation frequency reaches 1-30, the washing pump keeps a closed state, and the drainage pump is operated until water is completely drained.
Preferably, the washing control system includes a self-priming program, a pre-washing program and a main washing program, the pre-washing program including:
the transition module is used for closing the washing pump until the preset transition time is reached after the self-water injection program is finished, and storing water by the spray arm group;
the awakening module is used for restarting the washing pump and entering a pre-washing program;
the washing module is used for closing the washing pump after the washing pump runs until the preset pre-washing time is reached, and the spray arm group stores water;
the water storage module is used for restarting the washing pump to perform pre-washing after the preset water storage time is reached;
and the control module is used for continuously and circularly executing the washing module and the water storage module, finishing the pre-washing program until the circulation times reach the preset pre-washing times, and entering the main washing program.
Preferably, in the transition module, the transition time is 1-2 min, namely after the self-water injection procedure is finished, the washing pump is closed for 1-2 min;
in the washing module, the pre-washing time is 2-5 min, namely in the pre-washing program, the washing pump is closed after running for 2-5 min;
in the water storage module, the water storage time is 1-2 min, namely the washing pump is turned on again after being turned off for 1-2 min;
in the control module, the pre-washing times are 5-20, namely the washing module and the water storage module are continuously and circularly executed until the circulation times reach 5-20, and then the pre-washing program is finished.
Preferably, the anti-siphon device further comprises an anti-siphon member, the drainage pipe set comprises a first drainage pipe and a second drainage pipe, the water inlet of the drainage pump is communicated with the water outlet of the water cup, the water inlet of the first drainage pipe is communicated with the water outlet of the drainage pump, the water outlet of the first drainage pipe is communicated with the water inlet of the anti-siphon member, and the water outlet of the anti-siphon member is communicated with the water inlet of the second drainage pipe.
Preferably, the spray arm group comprises an upper spray arm and a lower spray arm, the upper spray arm is arranged at the top of the inner container, and the lower spray arm is arranged at the bottom of the inner container;
the dishwasher also comprises a water diversion three-way pipe, wherein a water inlet of the washing pump is communicated with a water cup, a water outlet of the washing pump is communicated with a water inlet of the water diversion three-way pipe, a first water outlet of the water diversion three-way pipe is communicated with the upper spray arm, and a second water outlet of the water diversion three-way pipe is communicated with the lower spray arm;
the filter screen group comprises a plane filter screen and a cylindrical filter screen, wherein the plane filter screen and the cylindrical filter screen are both arranged at the top of the water cup and completely cover a water inlet at the top of the water cup, the cylindrical filter screen is arranged on a central axis of the water cup, and the plane filter screen surrounds the cylindrical filter screen.
The pulse type drainage method for the dish washing machine continuously and circularly executes the step A1 and the step A2, and the washing pump and the drainage pump are started to operate in turn to realize pulse type drainage, so that pollutants are flushed and discharged by a small amount of water, secondary pollution is solved, the washing water consumption can be very low, and the pulse type small-flow drainage and pollution discharge effects are realized. In the step A1, water in the inner container is pumped into the spray arm group, part of pollutants in the inner container flow to the sewage discharge port of the inner container along with the water flow, and the other part of pollutants can be attached to the filter screen group. In the step A2, the drainage pump is operated for a short time, pollutants in the sewage outlet are firstly discharged, and then the pollutants on the filter screen set are brought into the sewage outlet to be directly discharged by utilizing the backflow of water in the spray arm set. In step A3, after the step a1 and the step a2 are continuously and circularly executed to reach the preset pulse drainage times, most of the pollutants can be discharged, and the drainage pump is continuously operated for the last time, so that the residual pollutants are discharged along with the water flow, and the drainage procedure is completed.
Drawings
The drawings are further illustrative of the invention and the content of the drawings does not constitute any limitation of the invention.
FIG. 1 is a schematic view of the overall structure of a dishwasher according to an embodiment of the present invention;
FIG. 2 is a flow chart of a pulsed drainage method according to one embodiment of the present invention;
FIG. 3 is a flow chart of a pre-wash method according to one embodiment of the present invention;
FIG. 4 is a bottom view of the dishwasher in accordance with one embodiment of the present invention;
FIG. 5 is a cross-sectional view of a dishwasher in accordance with one embodiment of the present invention.
Wherein: an inner container 1; a water cup 2; a washing pump 3; a spray arm group 4; a filter screen set 5; a planar screen 51; a cylindrical screen 52; an upper spray arm 41; a lower spray arm 42; a water diversion three-way pipe 6; a drain pipe group 7; a drain pump 8; a first drain pipe 71; a second drain pipe 72; an anti-siphon 9.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
The pulse type water draining method for the dish washing machine of the embodiment is as shown in fig. 1, the dish washing machine is provided with an inner container 1, a water cup 2 for storing water and placing a filter screen group 5 is arranged at the bottom of the inner container 1, the water cup 2 is communicated with a spray arm group 4 through a washing pump 3, the water cup 2 is communicated with a drain pipe group 7 through a drain pump 8, the dish washing machine is provided with a cleaning program and a water draining program, and the water draining program comprises the following steps as shown in fig. 2:
step A1, the drainage pump 8 is kept closed, the washing pump 3 is operated until the preset drainage time is reached, and then the drainage pump is closed, so that pollutants flow to the drainage port of the inner container 1 along with water flow;
step A2, the washing pump 3 keeps closed, the drainage pump 8 is operated until reaching the preset pulse drainage time and then is closed;
and step A3, continuously executing step A1 and step A2 in a circulating mode until the circulation times reach the preset pulse drainage times, keeping the washing pump 3 in a closed state, and operating the drainage pump 8 until water is completely drained.
The pulse type drainage method for the dish washing machine continuously and circularly executes the step A1 and the step A2, and the washing pump 3 and the drainage pump 8 are started to operate in turn to realize pulse type drainage, so that pollutants are flushed and discharged by using a small amount of water, secondary pollution is solved, the washing water consumption can be very low, and the pulse type small-flow drainage and pollution discharge effects are realized. In the step a1, water in the liner 1 is pumped into the spray arm group 4, so that part of pollutants in the liner 1 flows to the sewage discharge outlet of the liner 1 along with water flow, and the other part of pollutants is attached to the filter screen group 5. In the step A2, the drainage pump 8 is operated for a short time, pollutants at the sewage outlet are firstly discharged, and then the pollutants on the filter screen set 5 are brought into the sewage outlet to be directly discharged by utilizing the backflow of water in the spray arm set 4. In step A3, after the step a1 and the step a2 are continuously and circularly executed to reach the preset pulse drainage times, most of the pollutants can be discharged, and the drainage pump 8 is continuously operated for the last time, so that the residual pollutants are discharged along with the water flow, and the drainage procedure is completed.
Preferably, in the step A1, the sewage discharge time is 1-2 min, namely the washing pump 3 is closed after running for 1-2 min;
in the step A2, the pulse drainage time is 1-20 s, namely the drainage pump 8 is closed after running for 1-20 s;
in the step A3, the number of times of pulse water discharge is 1-30, that is, the step a1 and the step a2 are continuously and circularly executed until the number of times of circulation reaches 1-30, the washing pump 3 keeps a closed state, and the drainage pump 8 is operated until water is completely discharged. The sewage discharge time of the washing pump 3 is longer than the running time of the drainage pump, the drainage pump 8 runs for 1-20 s in the step A2, the drainage pump runs for a short time to discharge pollutants at the sewage discharge outlet, and then the pollutants on the filter screen group 5 are brought into the sewage discharge outlet to be directly discharged by utilizing the backflow of water in the spray arm group 4; most pollutants can be discharged after circulation is carried out for 1-30 times, so that the pollutants are flushed and discharged by a small amount of water, secondary pollution is solved, washing water consumption can be low, and the effect of pulse type small-flow water discharging and pollution discharging is achieved.
Preferably, the washing process includes a self-priming procedure, a pre-washing procedure and a main washing procedure, as shown in fig. 3, the pre-washing procedure includes the steps of:
step B1, after the water injection program is finished, the washing pump 3 is closed until the preset transition time is reached, and the spray arm group 4 stores water;
step B2, the washing pump 3 is restarted to enter a pre-washing program;
step B3, the washing pump 3 is operated until reaching the preset pre-washing time and then is closed, and the spray arm group 4 stores water;
step B4, when reaching the preset water storage time, restarting the washing pump 3 for pre-washing;
and step B5, continuously executing the step B3 and the step B4 in a circulating mode until the circulating times reach the preset pre-washing times, ending the pre-washing program, and entering the main washing program.
The self-water-injection procedure comprises the steps of firstly injecting 2-3L of water into the inner container 1; and then, heating the water body, washing while continuously performing washing for 10-20 min, and then finishing, providing circulating water required by a pre-washing procedure, heating the water body to perform a sterilization effect, washing, and preliminarily washing off pollutants on the dishes.
After the water injection program is finished, the filter screen group 5 is attached with more pollutants to block the filter holes, so that the water quantity in the spray arm group 4 is reduced, the water pressure is reduced, the spray arm group 4 rotates more and more slowly, and even the condition of stopping and not rotating occurs, therefore, the pulse type washing method for the dish washing machine closes the washing pump 3 until the preset transition time is reached after the water injection program is finished, increases the water storage capacity of the spray arm group 4, increases the flushing pressure of the spray arm group 4 and avoids the pollutants from blocking the filter holes.
In the pre-washing program, the steps B3 and B4 are continuously and circularly executed, so that the washing pump 3 is controlled to run in a pulse mode, the spray arm group 4 stores water when the washing pump 3 is closed, and when the washing pump 3 is turned on again, the spray arm group 4 washes dishes by using larger washing pressure after water storage, pollutants can be washed down in a short time, the pollutants on the dishes are effectively washed clean, and the pre-washing water consumption can be further reduced. Most pollutants can be washed clean in the pre-washing procedure, and a good foundation is laid for the washing effect of the subsequent main washing procedure.
Preferably, in the step B1, the transition time is 1-2 min, that is, after the self-injection module is finished, the washing pump 3 is turned off for 1-2 min;
in the step B3, the pre-washing time is 2-5 min, namely the washing pump 3 is closed after running for 2-5 min;
in the step B4, the water storage time is 1-2 min, namely the washing pump 3 is turned on again after being turned off for 1-2 min;
in the step B5, the number of times of pre-washing is 5-20, that is, the step B3 and the step B4 are continuously and circularly executed until the number of times of circulation reaches 5-20, and then the pre-washing module is ended. Therefore, the washing pump 3 in the pre-washing cycle is closed for 1-2 min and then operates for 2-5 min, and the operation of the washing pump 3 is controlled in a pulse mode, so that the water consumption is reduced, the minimum water can be used, and the optimal washing effect is achieved. After circulating for 5-20 times, most pollutants can be washed clean in a pre-washing procedure.
Preferably, a dishwasher using a pulse type drainage method, as shown in fig. 1, is provided with a liner 1, a water cup 2 for storing water and placing a filter screen group 5 is provided at the bottom of the liner 1, the water cup 2 is communicated with a spray arm group 4 through a washing pump 3, and the water cup 2 is communicated with a drainage pipe group 7 through a drainage pump 8, the dishwasher is provided with a washing control system and a drainage control system, the drainage control system comprises:
the blowdown module is used for keeping the drainage pump 8 in a closed state, operating the washing pump 3 until the preset blowdown time is reached, and then closing the drainage pump to enable pollutants to flow to a blowdown port of the inner container 1 along with water flow;
the pulse drainage module is used for keeping the washing pump 3 in a closed state and operating the drainage pump 8 until the preset pulse drainage time is reached and then closing the drainage pump;
and the control module is used for continuously and circularly executing the pollution discharge module and the pulse drainage module until the circulation times reach the preset pulse drainage times, keeping the washing pump 3 in a closed state, and operating the drainage pump 8 until water is completely drained.
The dishwasher using the pulse type drainage method continuously and circularly executes the blowdown module and the pulse drainage module, and the washing pump 3 and the drainage pump 8 are started to operate in turn to realize pulse type drainage, so that pollutants are flushed and discharged by using a small amount of water, secondary pollution is solved, the washing water consumption can be very low, and the effect of pulse type small-flow drainage and blowdown is realized. In the pollution discharge module, water in the inner container 1 is pumped to the spray arm group 4, part of pollutants in the inner container 1 flow to a pollution discharge port of the inner container 1 along with water flow, and the other part of pollutants can be attached to the filter screen group 5. In the pulse drainage module, the drainage pump 8 is operated for a short time, pollutants at the sewage outlet are firstly discharged, and then the pollutants on the filter screen set 5 are brought into the sewage outlet to be directly discharged by utilizing the backflow of water in the spray arm set 4. In the control module, after the pollution discharge module and the pulse drainage module are continuously and circularly executed to reach the preset pulse drainage times, most pollutants can be discharged, and the drainage pump 8 is continuously operated for the last time, so that the residual pollutants are discharged along with water flow, and the drainage procedure is completed.
Preferably, in the pollution discharge module, the pollution discharge time is 1-2 min, namely the washing pump 3 is closed after running for 1-2 min;
in the pulse drainage module, the pulse drainage time is 1-20 s, namely the drainage pump 8 is closed after running for 1-20 s;
in the control module, the pulse drainage frequency is 1-30, namely the pollution discharge module and the pulse drainage module are continuously and circularly executed until the circulation frequency reaches 1-30, the washing pump 3 keeps a closed state, and the drainage pump 8 is operated until water is completely drained.
The sewage discharge time of the washing pump 3 is longer than the running time of the drainage pump, the drainage pump 8 in the pulse drainage module runs for 1-20 s, the drainage pump runs for a short time to discharge pollutants at the sewage discharge outlet, and then the pollutants on the filter screen group 5 are brought into the sewage discharge outlet to be directly discharged by utilizing the backflow of water in the spray arm group 4; most pollutants can be discharged after circulation is carried out for 1-30 times, so that the pollutants are flushed and discharged by a small amount of water, secondary pollution is solved, washing water consumption can be low, and the effect of pulse type small-flow water discharging and pollution discharging is achieved.
Preferably, the washing control system includes a self-priming program, a pre-washing program and a main washing program, the pre-washing program including:
the transition module is used for closing the washing pump 3 until the preset transition time is reached after the self-water injection program is finished, and storing water by the spray arm group 4;
the awakening module is used for restarting the washing pump 3 and entering a pre-washing program;
the washing module is used for closing the washing pump 3 after the washing pump operates until the preset pre-washing time is reached, and the spray arm group 4 stores water;
the water storage module is used for restarting the washing pump 3 for pre-washing after the preset water storage time is reached;
and the control module is used for continuously and circularly executing the washing module and the water storage module, finishing the pre-washing program until the circulation times reach the preset pre-washing times, and entering the main washing program.
The transition module is after the water injection procedure, closes washing pump 3 until reaching preset transition time, increases the water storage capacity of spouting arm group 4 to increase and spout arm group 4 washing pressure, avoid the pollutant to block up the filtration pore.
In the washing procedure in advance, constantly circulate and carry out washing module and retaining module to the pulsed ground controls the operation of washing pump 3, and spray arm group 4 impounds when washing pump 3 closes, and when washing pump 3 reopened, spray arm group 4 utilized the great washing pressure after the retaining to wash bowl dish, can wash the pollutant in the short time, effectively washes the pollutant on the bowl dish clean, and can make the washing water consumption in advance further reduce. Most pollutants can be washed clean in the pre-washing procedure, and a good foundation is laid for the washing effect of the subsequent main washing procedure.
Preferably, in the transition module, the transition time is 1-2 min, namely after the self-water injection program is finished, the washing pump 3 is turned off for 1-2 min;
in the washing module, the pre-washing time is 2-5 min, namely in the pre-washing program, the washing pump 3 is closed after running for 2-5 min;
in the water storage module, the water storage time is 1-2 min, namely the washing pump 3 is turned on again after being turned off for 1-2 min;
in the control module, the pre-washing times are 5-20, namely the washing module and the water storage module are continuously and circularly executed until the circulation times reach 5-20, and then the pre-washing program is finished. Therefore, the washing pump 3 in the pre-washing cycle is closed for 1-2 min and then operates for 2-5 min, and the operation of the washing pump 3 is controlled in a pulse mode, so that the water consumption is reduced, the minimum water can be used, and the optimal washing effect is achieved. After circulating for 5-20 times, most pollutants can be washed clean in a pre-washing procedure.
Preferably, as shown in fig. 4, the anti-siphon device 9 is further included, the drain pipe set 7 includes a first drain pipe 71 and a second drain pipe 72, the water inlet of the drain pump 8 is communicated with the water outlet of the water cup 2, the water inlet of the first drain pipe 71 is communicated with the water outlet of the drain pump 8, the water outlet of the first drain pipe 71 is communicated with the water inlet of the anti-siphon device 9, and the water outlet of the anti-siphon device 9 is communicated with the water inlet of the second drain pipe 72. In draining, the drain pump 8 pumps the circulating water of the water cup 2 into the first drain pipe 71 and then out of the dishwasher through the anti-siphon 9 from the second drain pipe 72. An anti-siphon member 9 is provided between the first drain pipe 71 and the second drain pipe 72, so that the drain pump 8 is closed halfway to stop draining during the pulse type draining process, and the circulating water is not continuously drained.
Preferably, as shown in fig. 1 and 5, the spray arm group 4 includes an upper spray arm 41 and a lower spray arm 42, the upper spray arm 41 is disposed at the top of the inner container 1, and the lower spray arm 42 is disposed at the bottom of the inner container 1;
as shown in fig. 4, the dishwasher further comprises a water-dividing three-way pipe 6, wherein the water inlet of the washing pump 3 is communicated with the water cup 2, the water outlet of the washing pump 3 is communicated with the water inlet of the water-dividing three-way pipe 6, the first water outlet of the water-dividing three-way pipe 6 is communicated with the upper spray arm 41, and the second water outlet of the water-dividing three-way pipe 6 is communicated with the lower spray arm 42;
as shown in fig. 1 and 5, the filter screen set 5 includes a plane filter screen 51 and a cylindrical filter screen 52, the plane filter screen 51 and the cylindrical filter screen 52 are both disposed on the top of the water cup 2 to completely cover the top water inlet of the water cup 2, and the cylindrical filter screen 52 is disposed on the central axis of the water cup 2, and the plane filter screen 51 is disposed around the cylindrical filter screen 52.
The spray arm group 4 consists of an upper spray arm 41 and a lower spray arm 42, and is respectively used for washing dishes placed in the middle of the inner container 1 from the top and the bottom of the inner container 1, so that the washing range is more comprehensive, and the washing effect is improved. During operation, the circulating water filtered in the water cup 2 enters the washing pump 3 from the water cup 2, the circulating water enters the water inlet of the water dividing three-way pipe 6 through the water outlet of the washing pump 3, a part of the circulating water enters the upper spray arm 41 from the first water outlet of the water dividing three-way pipe 6, and the other part of the circulating water enters the lower spray arm 42 from the second water outlet of the water dividing three-way pipe 6, so that the circulating water is divided, and the water is sprayed to the upper spray arm 41 and the lower spray arm 42 simultaneously.
The water in the inner container 1 enters the water cup 2 through a fine filter screen on the plane filter screen 51 or the column filter screen 52. The cylindrical filter screen 52 is matched with the bottom surface of the water cup 2, circulating water directly enters the water cup 2 from the bottom end of the cylindrical filter screen 52 during water drainage, and the circulating water is not filtered; the water discharge pump 8 pumps the circulating water of the water cup 2 into the water discharge pipe group 7. During washing, the circulating water enters the water cup 2 through the fine filter screen on the plane filter screen 51 or the cylindrical filter screen 52, and the circulating water needs to be filtered.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (8)
1. A pulse type water draining method for a dish washing machine, the dish washing machine is provided with an inner container, a water cup used for storing water and placing a filter screen group is arranged at the bottom of the inner container, the water cup is communicated with a spray arm group through a washing pump, the water cup is communicated with a water draining pipe group through a water draining pump, the dish washing machine is provided with a cleaning program and a water draining program, and the water draining program comprises the following steps:
step A1, the drainage pump keeps closed, the washing pump is operated until reaching the preset drainage time and then closed, so that the pollutants flow to the drainage port of the inner container along with the water flow;
step A2, the washing pump keeps a closed state, and the drainage pump is operated until reaching a preset pulse drainage time and then closed;
step A3, continuously executing step A1 and step A2 in a circulating mode until the circulation times reach the preset pulse drainage times, keeping the washing pump in a closed state, and operating the drainage pump until water is completely drained;
the cleaning program comprises a self-water injection program, a pre-washing program and a main washing program, wherein the pre-washing program comprises the following steps:
step B1, after the water injection program is finished, the washing pump is closed until the preset transition time is reached, and the spray arm group stores water;
step B2, the washing pump is started again, and the pre-washing program is entered;
step B3, the washing pump is operated until reaching the preset pre-washing time and then is closed, and the spray arm group stores water;
step B4, when reaching the preset water storage time, restarting the washing pump for pre-washing;
step B5, continuously executing step B3 and step B4 in a circulating manner until the circulating times reach the preset pre-washing times, ending the pre-washing program, and entering the main washing program;
the self-water-injection procedure comprises the steps of firstly injecting 2-3L of water into the inner container; and then, heating the water body and washing the water body at the same time, and finishing after continuously performing the washing for 10-20 min.
2. The pulse type water discharge method for a dishwasher according to claim 1, wherein:
in the step A1, the sewage discharge time is 1-2 min, namely the washing pump is closed after being operated for 1-2 min;
in the step A2, the pulse drainage time is 1-20 s, namely the drainage pump is closed after being operated for 1-20 s;
in the step A3, the pulse drainage frequency is 1-30 times, namely the step A1 and the step A2 are continuously and circularly executed until the circulation frequency reaches 1-30 times, the washing pump keeps a closed state, and the drainage pump is operated until the water is completely drained.
3. The pulse type water discharge method for a dishwasher according to claim 1, wherein:
in the step B1, the transition time is 1-2 min, namely the washing pump is closed for 1-2 min after the self-water injection module is finished;
in the step B3, the pre-washing time is 2-5 min, namely the washing pump is closed after running for 2-5 min;
in the step B4, the water storage time is 1-2 min, namely the washing pump is turned on again after being turned off for 1-2 min;
in the step B5, the number of times of pre-washing is 5-20, that is, the step B3 and the step B4 are continuously and circularly executed until the number of times of circulation reaches 5-20, and then the pre-washing module is ended.
4. A dishwasher using a pulse type drainage method is provided with an inner container, a water cup for storing water and placing a filter screen group is arranged at the bottom of the inner container, the water cup is communicated with a spray arm group through a washing pump, and the water cup is communicated with a drainage pipe group through a drainage pump, the dishwasher is provided with a cleaning control system and a drainage control system, and is characterized in that the drainage control system comprises:
the blowdown module is used for keeping the drainage pump in a closed state, operating the washing pump until the preset blowdown time is reached, and then closing the washing pump to enable pollutants to flow to a blowdown port of the inner container along with water flow;
the pulse drainage module is used for keeping the washing pump in a closed state and operating the drainage pump until the preset pulse drainage time is reached and then closing the drainage pump;
the control module is used for continuously and circularly executing the sewage discharging module and the pulse water discharging module until the circulation times reach the preset pulse water discharging times, the washing pump keeps a closed state, and the water discharging pump is operated until water is completely discharged;
the cleaning control system comprises a self-water injection program, a pre-washing program and a main washing program, wherein the pre-washing program comprises:
the transition module is used for closing the washing pump until the preset transition time is reached after the self-water injection program is finished, and storing water by the spray arm group;
the awakening module is used for restarting the washing pump and entering a pre-washing program;
the washing module is used for closing the washing pump after the washing pump runs until the preset pre-washing time is reached, and the spray arm group stores water;
the water storage module is used for restarting the washing pump to perform pre-washing after the preset water storage time is reached;
the control module is used for continuously and circularly executing the washing module and the water storage module, ending the pre-washing program after the circulation times reach the preset pre-washing times, and entering the main washing program;
the self-water-injection procedure comprises the steps of firstly injecting 2-3L of water into the inner container; and then, heating the water body and washing the water body at the same time, and finishing after continuously performing the washing for 10-20 min.
5. The dishwasher using the pulse type drain method according to claim 4, wherein:
in the sewage discharging module, the sewage discharging time is 1-2 min, namely the washing pump is closed after being operated for 1-2 min;
in the pulse drainage module, the pulse drainage time is 1-20 s, namely, the drainage pump is closed after being operated for 1-20 s;
in the control module, the pulse drainage frequency is 1-30, namely the pollution discharge module and the pulse drainage module are continuously and circularly executed until the circulation frequency reaches 1-30, the washing pump keeps a closed state, and the drainage pump is operated until water is completely drained.
6. The dishwasher using the pulse type drain method according to claim 4, wherein:
in the transition module, the transition time is 1-2 min, namely after the self-water injection procedure is finished, the washing pump is closed for 1-2 min;
in the washing module, the pre-washing time is 2-5 min, namely in the pre-washing program, the washing pump is closed after running for 2-5 min;
in the water storage module, the water storage time is 1-2 min, namely the washing pump is turned on again after being turned off for 1-2 min;
in the control module, the pre-washing times are 5-20, namely the washing module and the water storage module are continuously and circularly executed until the circulation times reach 5-20, and then the pre-washing program is finished.
7. The dishwasher using the pulse type drain method according to claim 4, wherein: the anti-siphon cup is characterized by further comprising an anti-siphon piece, the drainage pipe group comprises a first drainage pipe and a second drainage pipe, the water inlet of the drainage pump is communicated with the water outlet of the cup, the water inlet of the first drainage pipe is communicated with the water outlet of the drainage pump, the water outlet of the first drainage pipe is communicated with the water inlet of the anti-siphon piece, and the water outlet of the anti-siphon piece is communicated with the water inlet of the second drainage pipe.
8. The dishwasher using the pulse type drain method according to claim 4, wherein:
the spraying arm group comprises an upper spraying arm and a lower spraying arm, the upper spraying arm is arranged at the top of the inner container, and the lower spraying arm is arranged at the bottom of the inner container;
the dishwasher also comprises a water diversion three-way pipe, wherein a water inlet of the washing pump is communicated with a water cup, a water outlet of the washing pump is communicated with a water inlet of the water diversion three-way pipe, a first water outlet of the water diversion three-way pipe is communicated with the upper spray arm, and a second water outlet of the water diversion three-way pipe is communicated with the lower spray arm;
the filter screen group comprises a plane filter screen and a cylindrical filter screen, wherein the plane filter screen and the cylindrical filter screen are both arranged at the top of the water cup and completely cover a water inlet at the top of the water cup, the cylindrical filter screen is arranged on a central axis of the water cup, and the plane filter screen surrounds the cylindrical filter screen.
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| CN112438678A (en) * | 2019-09-01 | 2021-03-05 | 青岛海尔洗碗机有限公司 | Washing method of dish washing machine |
| CN111481135B (en) * | 2020-04-20 | 2021-11-26 | 海尔优家智能科技（北京）有限公司 | Method and device for controlling chopstick washing machine and chopstick washing machine |
| CN114145684B (en) * | 2021-11-22 | 2024-05-24 | 珠海格力电器股份有限公司 | Water drainage control method and system of dish washing machine and dish washing machine |
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| US5525161A (en) * | 1993-12-20 | 1996-06-11 | Zanussi Elettrodomestici S.P.A. | Operational process for a dishwashing machine |
| CN103079448A (en) * | 2010-09-02 | 2013-05-01 | Lg电子株式会社 | Dishwasher and a control method for the same |
| CN106419787A (en) * | 2016-10-14 | 2017-02-22 | 佛山市顺德区美的洗涤电器制造有限公司 | Dish washing machine and washing control method and device thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5525161A (en) * | 1993-12-20 | 1996-06-11 | Zanussi Elettrodomestici S.P.A. | Operational process for a dishwashing machine |
| CN103079448A (en) * | 2010-09-02 | 2013-05-01 | Lg电子株式会社 | Dishwasher and a control method for the same |
| CN106419787A (en) * | 2016-10-14 | 2017-02-22 | 佛山市顺德区美的洗涤电器制造有限公司 | Dish washing machine and washing control method and device thereof |
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