CN108903869B - Water tank type dish washing machine - Google Patents
Water tank type dish washing machine Download PDFInfo
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- CN108903869B CN108903869B CN201810731792.8A CN201810731792A CN108903869B CN 108903869 B CN108903869 B CN 108903869B CN 201810731792 A CN201810731792 A CN 201810731792A CN 108903869 B CN108903869 B CN 108903869B
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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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Abstract
The invention discloses a water tank type dish washing machine, which comprises a water tank (1), a water inlet pipeline for supplying water to the water tank (1), a drainage pipeline for draining water from the water tank (1), a circulating water pump (2) and a heating device, wherein the bottom of the water tank (1) is rotatably connected with a rotary spray arm, the rotary spray arm is provided with at least two hollow cavities and a support arm (3) with a streamline arc surface on the surface, at least one fin (5) for generating vortex in soaking water is arranged on the upper surface of the support arm (3) along the length direction of the support arm, when the dish washing machine is cleaned, the circulating water pump (2) provides water flow to spray from a spray column obliquely arranged on the upper surface of the rotary spray arm, so that propelling force is generated to drive the rotary spray arm to rotate, and meanwhile, the flow of washing water is guided by the fin (5) arranged on the upper surface of the. The water tank type dish washing machine aims at various problems of Chinese dishes, has more optimized water flow distribution and high washing efficiency, can effectively improve the washing efficiency, and saves water and electricity.
Description
Technical Field
The invention relates to the field of dish washing machines, in particular to a water tank type dish washing machine.
Background
With the advancement of technology, a variety of small dishwashers have been marketed, gradually entering the general household. In order to save space, many designs of water tank type cleaning machines have been developed, that is, an existing water tank is modified into a cleaning machine, the water tank is directly used as a washing space, and a rotary spray arm is generally arranged at the bottom of the water tank and is usually connected with a motor. For example, the washing machine disclosed in chinese patent publication No. CN102940475A has a function of washing dishes with high automation degree, but such a dish washer does not have a function of whirling to soak the dishes, and it only uses a rotary spray arm to spray and wash the dishes upwards, which is difficult to solve the problem of the dead angle of spraying of the dishes. The problem is that after the Chinese rice is eaten, rice crusts are left in the bowl, while the Chinese dish has the common taste which is heavy, greasy and more in seasonings, and a lot of dry residues are left in the bowl and dish after the Chinese dish is eaten. The existing water tank type dish washing machine is limited by the volume, the washing method is single, and further the problem that the dish washing machine cannot clean the washed tableware is caused, and the problem that how to clean the Chinese dishes under the premise of improving the washing efficiency, saving water and electricity also becomes a bottleneck in the industry.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the water tank type dish washer aims at various problems of Chinese dishes, optimizes water flow distribution, has high washing efficiency, can effectively improve washing efficiency, and saves water and electricity.
The technical scheme adopted by the invention for solving the problems is as follows: a water tank type dish washing machine comprises a water tank, a water inlet pipeline for supplying water to the water tank, a drainage pipeline for draining water from the water tank, a circulating water pump and a heating device, wherein the bottom of the water tank is rotatably connected with a rotary spray arm, the rotary spray arm is provided with at least two hollow cavities, the surface of the support arm is a streamline arc surface, at least one fin for generating vortex in soaking water is arranged on the upper surface of the support arm along the length direction of the support arm, when the dish washing machine is used for washing, water flow is sprayed out of a spray column obliquely arranged on the upper surface of the rotary spray arm by the circulating water pump, propulsion force is generated to drive the rotary spray arm to rotate, and meanwhile, the fins arranged on the upper surface of the rotary spray arm guide the flow of washing water so as to form.
Compared with the prior art, the invention has the advantages that: the invention is a water tank type dish washing machine which is different from the traditional dish washing machine and comprises vortex whirl immersion washing and spray washing with variable spray angle. In particular, the inventive sump dishwasher has a vortex agitation process during the washing process, especially during the pre-wash phase, and the wash water is flooded over the dishes during this phase. The operation of the circulating pump at this stage provides water flow to actuate the rotary spray arm to rotate, so that the rotary spray arm generates vortex stirring, the vortex can increase the washing force of washing water on the surfaces of dishes, and can effectively soften and loosen the state of crispy rice and dried food residues. Because the rotary spray arms in the prior art spray at constant revolution and spray angle, the circulating water flow is changed by changing the power of the circulating pump in the main washing stage, and the water pressure generated by the nozzles of the rotary spray arms is changed, so that the rotating speed and the spray angle of the rotary spray arms are changed, and the problem of the dishwasher aiming at the Chinese style dish spray dead angle in the prior art can be effectively solved. In the rinsing stage, higher water temperature rinsing spray is adopted, so that the rinsing effect is better. The whole flow setting of the mixing program washing method corresponding to the water tank type dish washing machine is very reasonable, the water flow distribution is more optimized, the washing efficiency is high, and the water and the electricity are more saved.
Preferably, the rotary spray arm body is provided with at least two hollow cavities, the surface of the rotary spray arm body is a support arm with a streamline arc surface, the lower end of the rotary spray arm is provided with a vertically arranged rotating shaft, the at least two support arms are arranged along the circumferential direction of the rotating shaft, and the hollow cavities of the support arms are directly communicated with a water outlet port of the circulating water pump through the inner cavity of the rotating shaft; a plurality of spraying columns which are obliquely arranged and can drive the support arm to rotate through sprayed water flow are arranged on the upper surface of the support arm at intervals; and at least one fin for generating vortex in the soaking water is arranged on the upper surface of the support arm along the length direction of the support arm. The rotary spray arm can generate water flow through the circulating pump to be sprayed out from the inclined spray nozzle, and propulsion force is generated, so that the rotary spray arm is actuated to rotate. The surface of the rotary spray arm support arm is also provided with the fins, and the fins have the function that when the rotary spray arm is filled with washing water, the contact area between the fins and the washing water is increased, so that the flow guide of the washing water is generated, and a vortex is generated, so that the softening and loosening of the rice crust and the dry residue of the centering type bowl and dish are realized, the washing efficiency can be effectively improved, and the washing effect is better.
Preferably, the included angle alpha between the axis of the nozzle of the spray column and the vertical direction is 10-30 degrees, and the inclination direction of the nozzle of the spray column of each support arm is the same as the movement tangential direction of the support arm. Like this, the rotation effect of rotatory spray arm is better, rotates also more steadily, and the spray rinsing effect is better.
Preferably, the inclination direction of the fin of each support arm is arranged in the same direction as the inclination direction of the nozzle of the spray column on the support arm; the spray column and the fins are integrally formed with the support arms where the spray column and the fins are located. The outer sides of the fins are provided with flow guide surfaces, and the included angle between the flow guide surfaces and the horizontal direction is 45-89 degrees. Therefore, the wall thickness of the rotary spray arm can be designed to be thinner, the forming is more convenient, and the rotating effect of the rotary spray arm is better. The spray washing of the spray column and the fins are not easy to interfere, the spray washing effect is not influenced, the flow guide effect of the fins is better, and the effect of forming vortex by the fins is also better.
Preferably, the pre-wash stage of the sump dishwasher provides a flow of water to actuate the rotating spray arm to rotate and generate a vortex agitation when the incoming water reaches 1/3 which is full of the upper surface of the rotating spray arm to a predetermined amount of water full of dishes. And the heating and the stirring are started when reaching 1/3 which is full of the upper surface of the rotary spray arm and is full of the preset water quantity of the dishes, so that a vortex can be formed earlier, the range of the vortex is gradually enlarged and more stable along with the continuous water inflow, the stirring effect of the vortex is better until the washing water gradually fills the dishes, the vortex has better washing effect on the surfaces of the dishes, and can play better loosening and softening effect on residues such as rice crust and the like,
and the circulating pump runs at 50-60% of rated power, can effectively avoid the too large eddy current scouring force to cause the collision of bowls and dishes, and meanwhile, because the washing water in the process is full of bowls and dishes, and almost no water flow impacts bowls and dishes in the washing process, the noise is very low.
Drawings
FIG. 1 is a schematic view of a sump type dishwasher.
Fig. 2 is a front view schematically illustrating a rotary spray arm of the sump type dishwasher according to the present invention.
FIG. 3 is a schematic top view of a rotary spray arm of the sump dishwasher in accordance with the present invention.
Fig. 4 is a schematic cross-sectional structure of fig. 4.
FIG. 5 is a flowchart illustrating a washing method of a sump dishwasher according to an embodiment of the present invention.
In FIGS. 1-4: the device comprises a water tank 1, a circulating water pump 2, a support arm 3, a spray column 4, a nozzle 4.1, fins 5, a flow guide surface 5.1, a rotating shaft 6, an included angle between the axis of the nozzle of the alpha spray column and the vertical direction, an included angle between the beta flow guide surface and the horizontal direction, a water level line of a preset water quantity when X1 is full of dishes, a water level line of the upper surface of a rotary spray arm X2 and a water level line of a preset water quantity below the rotary spray arm X3.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
As shown in fig. 1-4, a water tank type dish washer comprises a water tank 1, a water inlet pipe for supplying water to the water tank 1, a drainage pipe for draining water from the water tank 1, a circulating water pump 2 and a heating device, wherein the bottom of the water tank 1 is rotatably connected with a rotary spray arm, the rotary spray arm is provided with at least two hollow cavities and a support arm 3 with a streamline arc surface on the surface, at least one fin 5 for generating vortex in soaking water is arranged on the upper surface of the support arm 3 along the length direction of the support arm, when the dish washer is used for washing, the circulating water pump 2 supplies water flow to be sprayed out from a spray column obliquely arranged on the upper surface of the rotary spray arm to generate propelling force to drive the rotary spray arm to rotate, and meanwhile, the fin 5 arranged on the upper surface of the rotary spray arm guides the washing water to form vortex stirring.
The rotary spray arm body is provided with at least two support arms 3 with hollow cavities and streamline arc surfaces on the surfaces, the lower end of the rotary spray arm is provided with a vertically arranged flow guide surface 6, the at least two support arms 3 are arranged along the circumferential direction of the flow guide surface 6, and the hollow cavities of the support arms 3 are directly communicated with a water outlet port of the circulating water pump 2 through the inner cavity of the flow guide surface 6; a plurality of spraying columns 4 which are obliquely arranged and can drive the support arm to rotate through sprayed water flow are arranged on the upper surface of the support arm 3 at intervals; and at least one fin 5 for generating vortex in the soaking water is arranged on the upper surface of the support arm 3 along the length direction.
The included angle alpha between the axis of the nozzle 4.1 of the spray column 4 and the vertical direction is 25 degrees, and the inclination direction of the spray column 4.1 of the spray column 4 of each support arm 3 is the same as the movement tangential direction of the support arm 3.
The number of the fins 5 is two, and the two fins 5 are respectively arranged on two sides of the central axis of the support arm 3; the inclined direction of the fin 5 is opposite to the inclined direction of the spray column 4.1 of the spray column 4 on the same side; the outer side of the fin 5 is provided with a flow guide surface 5.1, and an included angle beta between the flow guide surface 5.1 and the horizontal direction is 45-89 degrees. As shown in fig. 4, the flow guiding surface 5.1 is an inclined surface, but it may have a certain radian, and here, it can also be said that an included angle β between a straight line where a tangent of the flow guiding surface 5.1 is located and the horizontal direction is 45-89 degrees.
In the pre-washing stage of the washing method corresponding to the water tank type dish washing machine of the application: when the water inlet amount reaches 1/3 which is full of the preset water amount of the dishes, the heating pipe is opened to start heating; meanwhile, the circulating water pump starts to operate at the rated power, namely 60% of the power of a motor of the circulating water pump, the circulating water pump provides water flow to be sprayed out from a spray column obliquely arranged on the upper surface of the rotary spray arm to generate propulsive force to drive the rotary spray arm to rotate, and meanwhile, the fins arranged on the upper surface of the rotary spray arm guide the washing water to form vortex stirring; like this, can form the vortex earlier at suitable waterline, along with continuing into water, the scope of vortex enlarges gradually, more and more stable, and the stirring effect of vortex is better, and until washing water is full of bowl dish gradually, the vortex is better to the scouring effect on bowl dish surface, also can play better loose and softening effect to residues such as rice crust, has great help to follow-up main washing operation.
FIG. 5 shows a corresponding washing method of the sump type dishwasher of the present invention, the washing method includes a pre-washing stage, a main-washing stage and a rinsing stage;
in the preparation stage, the machine carries out self-checking, and if no alarm exists, the self-checking is passed;
a prewashing stage: adjusting a water inlet sub-program, opening a water inlet pipeline, and opening a heating pipe to start heating when the water inlet reaches any position from a water level X2 full of the upper surface of the rotary spray arm to 1/3 full of a preset water quantity of dishes; (as shown in fig. 1, wherein the water level line of the predetermined water amount is the water level line X1 of the predetermined water amount which is full of dishes), the heating pipe is opened to start heating, the circulating water pump starts to operate at 60% of the rated power (namely, the motor power of the circulating water pump), the circulating water pump provides water flow to drive the rotary spray arm to rotate and generate vortex stirring, whether the temperature of the washing water reaches the set temperature of 40 ℃ is detected, if yes, the heating pipe is closed, and when the water inlet amount reaches the predetermined water amount which is full of dishes, the water inlet is stopped, and when the detection process is carried out, when the set time of 40 minutes is met, the motor is turned off, the circulating water pump is stopped, the water adjusting subprogram is started, and the pre-washing stage is ended;
a main washing stage: adjusting a water inlet subprogram, opening a water inlet pipeline, controlling the water inlet quantity to be a preset water quantity below a rotary spray arm (shown as a water level line X3 of the preset water quantity below the rotary spray arm in fig. 2), putting detergent, opening a heating pipe, starting heating, heating the washing water to a set temperature of 70 ℃, if the preset water quantity is met, closing the heating pipe, operating a circulating water pump, and driving the rotary spray arm to carry out spray washing with different spray intensities and different spray angles in a segmented mode by setting the rated power (namely the power of a motor of the circulating water pump) and the segmented set execution time of the circulating water pump in a segmented mode;
in the main washing stage, a circulating water pump firstly runs at 80% of rated power, and the first stage of spray washing time is set to be 10 minutes; then the circulating water pump firstly runs at 60% of rated power (namely the power of a motor of the circulating water pump), and the second stage of spray washing time is set to be 8 minutes; the circulating water pump was again set to operate at 45% of the rated power (i.e., the motor power of the circulating water pump), and the third stage spray rinsing time was set to 7 minutes.
And in the rinsing stage, a water inlet subprogram is adjusted, a water inlet pipeline is opened, the water inlet amount is controlled to be a preset water amount below the rotary spray arm, a heating pipe is opened, heating is started, the washing water is heated to a set temperature of 80 ℃, if the preset water amount meets the set temperature, the heating pipe is closed, a circulating water pump runs, the rotary spray arm is driven to perform rinsing spraying, and when the set time of 10 minutes is met, a motor is turned off, the circulating water pump stops, a water discharge subprogram is adjusted, a water discharge channel is opened, and the rinsing stage is finished. And in the rinsing phase the circulating water pump is operated at 60% of the rated power, i.e. the motor power of the circulating water pump.
It also includes the drying stage: and (4) utilizing the residual heat of the rinsing stage, and finishing the drying stage under the condition of meeting the set time of 20 minutes.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof may be varied, and for example, the pre-washing method of the present invention may employ a single-arm, double-arm and multi-arm rotary spray arm which is rotated by water flow driving and has a function of generating vortex flow with fins. All changes which come within the scope of the invention as defined by the independent claims are intended to be embraced therein.
Claims (6)
1. The utility model provides a basin formula dish washer, includes a basin (1), for the inlet channel of basin (1) water supply and for drainage pipe, circulating water pump (2) and the heating device of basin (1) drainage, the bottom of basin (1) rotate and be connected with rotatory spray arm, rotatory spray arm body be equipped with two at least cavity and support arm (3) that the surface is streamlined arc surface, its characterized in that: and the upper surface of the support arm (3) is provided with at least one fin (5) used for generating vortex in the soaking water along the length direction, when in cleaning, the circulating water pump (2) provides water flow to be sprayed out from the spray column obliquely arranged on the upper surface of the rotary spray arm to generate propulsive force to drive the rotary spray arm to rotate, and meanwhile, the fins (5) arranged on the upper surface of the rotary spray arm guide the washing water to form vortex stirring.
2. The sink dishwasher of claim 1, further comprising: the lower end of the rotary spray arm is provided with a vertically arranged rotating shaft (6), at least two support arms (3) are arranged along the circumferential direction of the rotating shaft (6), and the hollow cavities of the support arms (3) are directly communicated with a water outlet port of the circulating water pump (2) through the inner cavity of the rotating shaft (6); the upper surface of the support arm (3) is provided with a plurality of obliquely arranged spray columns (4) which can drive the support arm to rotate through sprayed water flow at intervals.
3. The sink dishwasher of claim 2, further comprising: the included angle alpha between the axis of the nozzle (4.1) of the spray column (4) and the vertical direction is 10-30 degrees, and the inclination direction of the nozzle (4.1) of the spray column (4) of each support arm (3) is the same as the movement tangential direction of the support arm (3).
4. The sink dishwasher of claim 2, further comprising: the inclined direction of the fin (5) of each support arm (3) is arranged in the same direction as the inclined direction of the nozzle (4.1) of the spray column (4) on the support arm (3); the spray column (4) and the fins (5) are integrally formed with the support arm (3) where the spray column and the fins are located; the outer side of the fin (5) is provided with a flow guide surface (5.1), and the included angle beta between the flow guide surface (5.1) and the horizontal direction is 45-89 degrees.
5. The sink dishwasher of claim 1, further comprising: during the pre-washing stage of the water tank type dish washing machine, when the water inflow reaches 1/3 of the preset water amount which is full of the upper surface of the rotary spray arm to be full of dishes, the circulating water pump (2) provides water flow to drive the rotary spray arm to rotate and generate vortex type stirring.
6. The sink dishwasher of claim 5, wherein: in the pre-washing stage of the water tank type dish washing machine, the circulating water pump starts to operate at 50-60% of rated power, the circulating water pump provides water flow to drive the rotary spray arm to rotate and generate vortex stirring, then whether the temperature of washing water reaches a set temperature is detected, and water inflow is stopped when the water inflow reaches a preset water amount which is full of dishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810731792.8A CN108903869B (en) | 2015-07-09 | 2015-07-09 | Water tank type dish washing machine |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810731792.8A CN108903869B (en) | 2015-07-09 | 2015-07-09 | Water tank type dish washing machine |
| CN201510405232.XA CN104983379B (en) | 2015-07-09 | 2015-07-09 | The washing methods of water tank type dish-washing machine |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510405232.XA Division CN104983379B (en) | 2015-07-09 | 2015-07-09 | The washing methods of water tank type dish-washing machine |
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| CN108903869A CN108903869A (en) | 2018-11-30 |
| CN108903869B true CN108903869B (en) | 2019-12-20 |
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| CN201810731792.8A Active CN108903869B (en) | 2015-07-09 | 2015-07-09 | Water tank type dish washing machine |
| CN201510405232.XA Active CN104983379B (en) | 2015-07-09 | 2015-07-09 | The washing methods of water tank type dish-washing machine |
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| CN201510405232.XA Active CN104983379B (en) | 2015-07-09 | 2015-07-09 | The washing methods of water tank type dish-washing machine |
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| CN1061522A (en) * | 1991-07-05 | 1992-06-03 | 陈明 | Household cleaning machine for kitchen |
| JPH07250798A (en) * | 1994-03-14 | 1995-10-03 | Yoshio Okabe | Dish washing device |
| CN2465652Y (en) * | 2001-01-21 | 2001-12-19 | 周波 | Air-bubble whirl water flow medium full-automatic washer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108903869A (en) | 2018-11-30 |
| CN104983379B (en) | 2018-08-24 |
| CN104983379A (en) | 2015-10-21 |
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