CN110495837B - Dish-washing machine water distribution device, dish-washing machine and control method thereof - Google Patents
Dish-washing machine water distribution device, dish-washing machine and control method thereof Download PDFInfo
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- CN110495837B CN110495837B CN201810473693.4A CN201810473693A CN110495837B CN 110495837 B CN110495837 B CN 110495837B CN 201810473693 A CN201810473693 A CN 201810473693A CN 110495837 B CN110495837 B CN 110495837B
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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
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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
- A47L15/4219—Water recirculation
- A47L15/4221—Arrangements for redirection of washing water, e.g. water diverters to selectively supply the spray arms
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- Domestic Plumbing Installations (AREA)
Abstract
The invention belongs to the field of dish washing machines and discloses a dish washing machine water distribution device, a dish washing machine and a control method thereof. According to the invention, the positioning is realized by using the positioning detection device without calculating the conduction time of the motor through the rotation angle, so that the accuracy of the alignment of the through hole and one or more spraying outlets can be greatly improved, the phenomenon of water flow reduction caused by the deviation of the through hole and the spraying outlets due to the error rotation angle of the motor is avoided, and the spraying effect is improved.
Description
Technical Field
The invention belongs to the field of dish washing machines, and particularly relates to a dish washing machine water distribution device, a dish washing machine and a control method of the dish washing machine.
Background
When the existing dish washer washes the tableware, water is generally injected into an inner container of the dish washer, and then the water is pumped into a spray pipe in the dish washer through a circulating water pump to clean the tableware. In order to improve the washing effect on greasy dishes, a dishwasher typically heats washing water using an electric heater or a heat pump system and then sprays the washing water onto the dishes.
An upper spray arm and a lower spray arm are usually arranged in the current dishwasher liner; when the dishwasher is in operation, the washing pump conveys water with higher pressure to the upper and lower spray arms, the water is sprayed out from the spray arms to wash tableware and then returns to a cup at the bottom of the dishwasher, and the washing pump conveys the backflow water to the upper and lower spray arms again to complete a cycle. In order to achieve a better washing effect, three sprayers, namely bottom spraying, middle spraying and top spraying, are arranged in some dish washing machines, the bottom spraying is positioned at the bottom of an inner container of the dish washing machine, the middle spraying is positioned at the bottom of an upper shelf of the dish washing machine, and the upper spraying is positioned at the top of the inner container of the dish washing machine. The three sprayers act on the tableware with the water pumped by the washing pump to wash the tableware.
Because of the large number of pipelines leading to each sprayer, large water and electric energy are consumed when the sprayer is opened at the same time. Generally, in order to save energy, each sprayer usually does not work at the same time, in this case, a shunt valve is needed to shunt water pumped by the washing pump to drive the corresponding sprayer to work, and the shunt valve can generally control one or two of the sprayers to work in a matching manner.
The existing shunt valve is generally provided with a shunt shifting piece with a through hole, the shunt shifting piece is rotated by an electric shunt motor, and when the through hole is aligned with a spray hole, a corresponding spray water path is conducted. In the prior art, the conduction time of the motor is calculated according to the rotation angle requirement and the motor rotation speed, so that errors are easy to occur, the precision is low, and the spraying effect is influenced.
In addition, as energy conservation and consumption reduction of household appliances are more and more emphasized, waste of heat energy in each washing stage in the dish washing machine is concerned. Some dish washers directly discharge hot water in the washing process, and cannot recycle heat energy in the washing process, so that waste of the heat energy is caused; if set up the heat exchange system of dish washer alone, then need additionally to increase pipeline and control valve, can increase the space that occupies, make the structure in the dish washer more complicated, be unfavorable for production and assembly.
The present invention has been made in view of this situation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a water distribution device of a dish washing machine, the dish washing machine and a control method thereof. According to the invention, the positioning is realized by using the positioning detection device without calculating the conduction time of the motor through the rotation angle, so that the accuracy of the alignment of the through hole and one or more spraying outlets can be greatly improved, the phenomenon of water flow reduction caused by the deviation of the through hole and the spraying outlets due to the error rotation angle of the motor is avoided, and the spraying effect is improved.
In order to solve the technical problems, the invention adopts the technical scheme that:
the invention provides a water distribution device of a dish washing machine, which comprises a first shell and a second shell which are connected, wherein a water distribution cavity is formed between the first shell and the second shell, a rotatable water distribution shifting piece is arranged in the water distribution cavity, a spraying outlet is arranged on the second shell, a through hole is arranged on the water distribution shifting piece, the water distribution shifting piece rotates to conduct or block the spraying outlet, the through hole is matched with the outer contour of two adjacent spraying outlets, and positioning detection devices for positioning and conducting the through hole and the spraying outlet are arranged on the water distribution shifting piece and the second shell.
Further scheme, location detection device including set up a plurality of location detection pieces on the second casing and set up the response piece on the plectrum that divides, the response piece rotates along with the plectrum that divides, when detecting piece interact and laminating with the location of difference, the through-hole drenches with single or two adjacent spraying outlet location.
In a further scheme, the number of the spraying outlets is at least three, and the spraying outlets are arranged on the same circumference by taking the axis of the second shell as the center; the positioning detection piece is arranged on a connecting line of the center of the corresponding spraying outlet and the center of the circumference where the spraying outlet is arranged,
and/or the positioning detection piece is arranged on a connecting line between the center connecting line of the two adjacent spraying outlets and the center of the second shell.
In a further scheme, the spray outlets comprise a first spray outlet, a second spray outlet and a third spray outlet which are arranged on the second shell, the spray outlets are uniformly distributed on the same circumference at intervals, and a part of through holes are blocked in an area between every two adjacent spray outlets; each positioning detection piece is arranged on a connecting line of the center of the corresponding spraying outlet and the center of the circumference where the spraying outlet is positioned and a connecting line of the midpoint of two adjacent spraying outlets and the center of the second shell;
preferably, the plurality of positioning detection pieces are located on the same circumference.
In a further scheme, the distance from the positioning detection piece to the center of the circumference where the plurality of spraying outlets are located is greater than the distance from the spraying outlets to the center of the circumference; the distance from the sensing piece to the center of the water diversion shifting piece is the same as the distance from the positioning detection piece to the center of the circumference where the plurality of spraying outlets are located.
In a further scheme, the positioning detection piece and the corresponding spraying outlet are positioned on two sides of the central axis of the second shell, and the induction piece and the through hole are positioned on two sides of the central axis of the water diversion shifting piece.
In a further scheme, the through holes are arc-shaped holes matched with the outer contours of two adjacent spraying outlets, and the sensing piece is arranged on a connecting line between the center of the arc-shaped hole and the center of the water diversion shifting piece and corresponds to the position of the positioning detection piece.
In a further scheme, the positioning detection part is an electromagnetic element, the induction part is a permanent magnet, the permanent magnet rotates along with the water diversion shifting piece, and when the electromagnetic element corresponding to one spraying outlet is electrified and the permanent magnet and the electromagnetic element are mutually acted and attached, the through hole and the corresponding spraying outlet are positioned and conducted; when the permanent magnet is attached to the electromagnetic element between two adjacent spraying outlets, the through hole is communicated with the two adjacent outlets.
The invention also provides a dish-washing machine with the water distribution device, which comprises a main control device and a plurality of spraying devices, wherein a plurality of spraying outlets of the water distribution device are respectively communicated with the plurality of spraying devices, and the positioning detection device is electrically connected with the main control device.
The third purpose of the invention is to provide a control method of the dish-washing machine, when the dish-washing machine performs spray washing, the main control device controls the water distribution shifting piece to rotate, and the positioning detection device controls the through hole to be positioned and communicated with the corresponding single or two adjacent spray outlets for spraying;
preferably, when the dishwasher sprays one way, the main control device controls the water diversion shifting sheet to rotate and starts the positioning detection piece corresponding to the corresponding spraying outlet, the sensing piece of the water diversion shifting sheet rotates towards the corresponding positioning detection piece, and when the water diversion shifting sheet and the positioning detection piece are attached, the through hole is communicated with the corresponding single spraying outlet; the water diversion plectrum stops rotating;
or when the dish-washing machine sprays in two ways, the main control device controls the water diversion shifting piece to rotate and starts the positioning detection piece corresponding to the position between the two corresponding spraying outlets, the sensing piece of the water diversion shifting piece rotates towards the corresponding positioning detection piece, and when the water diversion shifting piece and the positioning detection piece are attached, the through hole is communicated with the two corresponding spraying outlets; the water diversion plectrum stops rotating.
After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. for smaller angles, because the power-on time of the motor is short, the precision is difficult to control, the positioning is realized by using the positioning detection device instead of calculating the conduction time of the motor through the rotation angle, the precision of the alignment of the through hole and the spray outlet can be greatly improved, the phenomenon that the water flow is reduced because the through hole is deviated from the spray outlet due to the error of the rotation angle of the motor is avoided, and the spray effect is improved.
2. The positioning detection device comprises a positioning detection part arranged on the second shell and an induction part arranged on the water distribution shifting piece, so that accurate positioning of the through hole and the spraying outlet can be realized through the interaction force of the positioning detection part and the induction part, a signal can be transmitted to a main control device of the dish washing machine, and the action of a motor is controlled, so that the water quantity and the pressure of the spraying outlet are ensured, and the spraying effect is ensured.
3. The through holes on the water distribution shifting sheet are matched with the outer contours of two adjacent spraying outlets, so that one spraying outlet can be independently opened for one-way spraying, the adjacent spraying outlets can be simultaneously opened for two-way spraying, the flexibility of cleaning is improved, and the water consumption and the energy consumption are saved.
4. The water diversion device is also provided with other water outlets besides the spraying outlet, and the water outlets can be connected with the heat exchange device or the recovery energy storage device, so that different spraying water paths can be conducted without adding other structures, heat exchange or heat recovery can be realized, the heat energy of the dish washing machine can be saved, the heat energy utilization rate can be improved, the internal structure of the dish washing machine can be simplified, and the occupied space can be reduced.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic view of an exploded structure of a water diversion apparatus of the present invention;
FIG. 2 is a schematic view of an exploded structure of another water diversion apparatus of the present invention;
FIG. 3 is a schematic perspective view of the water diversion apparatus of the present invention;
FIG. 4 is a front view of the water diversion apparatus of the present invention;
FIG. 5 isbase:Sub>A schematic sectional view taken along line A-A of FIG. 4;
FIG. 6 is a schematic view of the top view structure of the water diversion device for plugging the spraying outlet of the present invention;
FIG. 7 is a schematic view of the top view of the water diversion apparatus of the present invention with a single spray outlet open;
FIG. 8 is a schematic view of a water diversion paddle of the present invention;
FIG. 9 is a schematic view of a top view of the water distribution device of the present invention with two adjacent spray outlets open;
FIG. 10 is a schematic top view of the water diversion apparatus of the present invention with a single spray outlet open;
fig. 11 is a schematic structural view of another water diversion paddle of the present invention.
In the figure: 1 shell, 3 water inlets, 5 water outlets, 6 spray outlets, 7 first chambers, 8 second chambers, 9 first shells, 91 installation planes, 92 clamping grooves, 10 second shells, 101 disc-shaped planes, 102 annular circumferential surfaces and 103 clamping blocks, the device comprises a water distribution shifting sheet 11, a through hole 12, a first spray outlet 13, a second spray outlet 14, a third spray outlet 15, a blocking area 16, a driving device 17, a transmission shaft 18, a positioning detection piece 19 and an induction piece 20.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
Example one
As shown in fig. 1 to 11, the present embodiment provides a water diversion device for a dishwasher, including a first housing 91 and a second housing 101, a water diversion chamber is formed between the first housing 91 and the second housing 101, a rotatable water diversion paddle 11 is provided in the water diversion chamber, a spray outlet 6 is provided on the second housing 101, a through hole 12 matched with the spray outlet 6 is provided on the water diversion paddle 11, the water diversion paddle 11 rotates to conduct or block the spray outlet 6, and positioning detection devices for positioning and conducting the through hole 12 and the spray outlet 6 are provided on the water diversion paddle 11 and the second housing 101.
The water diversion device of this embodiment can set up in the bottom of dish washer, sets up water inlet 3 on the first casing 91 of water diversion device, and the washing pump of dish washer bottom is with water pump to water inlet 3, then water enters into the inside spray set of dish washer from the 6 spray outlets that switch on, sprays to wash the tableware.
The specific structure of the first shell 91 and the second shell 101 includes various structures, and may include, but is not limited to, the following specific schemes:
the first housing 91 is a hollow cylinder, one end of the first housing 91 is open, the edge of the opening extends to the outer periphery for a certain distance to form a disc-shaped mounting plane 91, and a part of the edge of the mounting plane 91 extends for a certain distance along the direction of the central axis and then extends for a certain distance along the circumferential direction of the first housing 91 to form a clamping groove 92. The second housing 101 includes a disk-shaped plane 101 and an annular peripheral surface 102 provided on the outer periphery of the disk-shaped plane 101, the annular peripheral surface 102 being matched with the mounting plane 91 of the first housing 91. The annular peripheral surface 102 is provided with a latch 103 engaged with the latch groove 92. After the entire open surface of the second housing 101 is engaged with the mounting surface 91 of the first housing 91, the latch 103 is inserted into the latch groove 92 and positioned and connected. A seal ring is provided between the first casing 91 and the second casing 101 to seal. In this way, the second housing 101 and the mounting plane 91 of the first housing 91 together enclose the water dividing chamber.
The water diversion poking piece 11 is of a disc-shaped structure, the diameter of the water diversion poking piece 11 is smaller than that of the plane of the second shell 101, the space on one side of the water diversion poking piece 11 is communicated with the water inlet 3 arranged on the first shell 91, and the other side of the water diversion poking piece 11 can shield the spraying outlet 6 on the plane of the second shell 101.
In this embodiment, be provided with on water diversion plectrum 11 and the second casing 101 and be used for the location detection device who switches on through- hole 12 and 6 location of shower outlet, the location need not be realized through the turn-on time of rotation angle and speed calculation motor, but utilize location detection device to realize accurate location, accurate positioning hole 12 and the position of shower outlet 6 simultaneously, can improve the precision that through-hole 12 and shower outlet 6 align greatly, avoid causing the through-hole to deviate with the shower outlet because of motor rotation angle mistake, thereby lead to water flow reduction, the phenomenon that water pressure is not enough, thereby improve and spray the effect, also can simplify the procedure.
In a further scheme, the positioning detection device comprises a positioning detection piece 19 arranged on the second shell 101 and an induction piece 20 arranged on the water distribution shifting piece 11, the position of the positioning detection piece 19 is arranged corresponding to the position of the spraying outlet 6, and the position of the induction piece 20 is arranged corresponding to the position of the through hole 12; the positioning detection piece 19 and the induction piece 20 are correspondingly arranged, and when the positioning detection piece and the induction piece are mutually acted and attached, the through hole 12 is positioned and communicated with the corresponding spraying outlet 6.
The positioning detection device comprises a positioning detection piece 19 arranged on the second shell 101 and a sensing piece 20 arranged on the water distribution shifting piece 11, wherein the positioning detection piece 19 and the sensing piece 20 are correspondingly arranged, and when the water distribution shifting piece 11 rotates to be close to each other, the positioning detection piece 19 and the sensing piece 20 can interact with each other and are finally attached together up and down. Meanwhile, the positioning detection piece 19 and the induction piece 20 respectively correspond to the spraying outlet 6 and the through hole 12, and when the positioning detection piece 19 and the induction piece 20 are attached, correspondingly, the spraying outlet 6 and the through hole 12 can be accurately aligned, so that the spraying outlet 6 is communicated.
In a further scheme, the spraying outlets 6 comprise a plurality of spraying outlets 6, and the plurality of spraying outlets 6 are arranged on the same circumference by taking the axis of the second shell 101 as the center; each spraying outlet 6 is at least correspondingly provided with one positioning detection piece 19, at least one through hole 12 is arranged, and at least one induction piece 20 is correspondingly arranged; when the sensing piece 20 rotates along with the water distribution shifting piece 11 and is positioned and attached with different positioning detection pieces 19, the corresponding spraying outlet 6 is conducted.
The water diversion device in the embodiment is provided with more than two spraying outlets 6, and the on and off of the spraying outlets 6 can be adjusted according to the requirements of the dish-washing machine, so that different washing modes are realized. For example, with two spray outlets 6, a middle spray and a lower spray can be supplied, respectively; three spray outlets 6 are provided for upper, middle and lower sprays, respectively.
In order to realize accurate positioning and alignment conduction of the through holes 12 on the different spray outlets 6 and the water diversion shifting sheet 11, each spray outlet 6 is provided with at least one positioning detection piece 19, or a plurality of positioning detection pieces can be arranged, so that the positioning accuracy is further improved. When each spraying outlet 6 is correspondingly provided with a plurality of positioning detection pieces 19, correspondingly, a plurality of sensing pieces 20 matched with each other can be correspondingly arranged on the water diversion poking piece 11.
One through hole 12 can be arranged on the water diversion poking sheet 11, and two or more through holes can be arranged according to the arrangement and the shape of the spray outlet 6. The sensing piece 20 on the water diversion poking sheet 11 is arranged corresponding to the position of the through hole 12. After the water diversion plectrum 11 rotates slowly, the sensing part 20 rotates, and when the sensing part 20 is close to and interacts with different positioning detection parts 19, and finally the positioning is attached, the corresponding conduction of the spraying outlet 6 can be accurately realized.
The corresponding setting mode of the positioning detection piece 19 and the spray outlet 6, the corresponding setting mode of the through hole 12 and the induction piece 20 can comprise various types, and when the positioning detection piece 19 and the induction piece 20 are interacted and attached, the through hole 12 and the corresponding spray outlet 6 can be accurately positioned and aligned, and the corresponding spray outlet 6 can be conducted. Specific schemes may include, but are not limited to, the following:
in the scheme 1, the positioning detection piece 19 is arranged on a connecting line between the center of the corresponding spray outlet 6 and the center of the circumference where the spray outlet 6 is located, the sensing piece 20 is arranged on a connecting line between the center of the through hole 12 and the center of the water diversion shifting piece 11, and the position of the sensing piece 20 corresponds to the position of the positioning detection piece 19.
The plurality of spraying outlets 6 are arranged on the same circumference by taking the axis of the second shell 101 as the center, when the positioning detection piece 19 is arranged on the connecting line of the center of the corresponding spraying outlet 6 and the center of the circumference where the spraying outlet 6 is located, the maximum acting force of the interaction between the positioning detection piece 19 and the induction piece 20 is also located on the connecting line of the center, and meanwhile, the induction piece 20 is also located on the connecting line of the center of the through hole 12 and the center of the water distribution shifting piece 11, so that the center of the through hole 12 of the water distribution shifting piece 11 and the center of the spraying outlet 6 can be accurately aligned, thereby avoiding positioning deviation and ensuring that the corresponding spraying outlet 6 can be accurately and completely communicated.
In the embodiment 2, the positioning detection member 19 and the spraying outlet 6 may be disposed on the same side of the center of the circumference, or may be disposed on both sides of the center of the circumference, and both are symmetrically disposed. The positioning detection member 19 may be disposed on the outer periphery of the shower outlet 6, or may be disposed on the inner periphery of the shower outlet 6, and may be disposed according to actual needs.
Preferably, a plurality of positioning detection pieces 19 are positioned on the same circumference, and the distance from the positioning detection pieces 19 to the center of the circumference where the plurality of spray outlets 6 are positioned is greater than the distance from the spray outlets 6 to the center of the circumference; the distance from the sensing piece 20 to the center of the water distribution shifting piece 11 is the same as the distance from the positioning detection piece 19 to the center of the circumference where the plurality of spraying outlets 6 are located.
Because the second housing 101 and the water diversion poking piece 11 are provided with limited areas, the area of the inner periphery of the spray outlet 6 is relatively small, and the positioning detection piece 19 is preferably arranged at the outer periphery of the spray outlet 6, namely the distance from the positioning detection piece to the center of the periphery is larger than the distance from the spray outlet 6 to the center of the periphery, so that the installation of a plurality of positioning detection pieces 19 is facilitated. The distance from the sensing piece 20 to the center of the water diversion shifting piece 11 is the same as the distance from the positioning detection piece 19 to the center of the circumference where the plurality of spraying outlets 6 are located, so that the positions of the sensing piece 20 and the positioning detection piece 19 can be vertically corresponding, and the accurate fitting positioning of the sensing piece 20 and the positioning detection piece is ensured.
A plurality of location detection piece 19 are located same circumference, only set up an response piece 20 alright in order to realize the laminating location with each location detection piece 19 through the rotation on the water diversion plectrum 11 to realize switching on of corresponding shower outlet 6, avoid the interference of a plurality of response pieces 20.
Except that the realization sprays the switching on of export 6, the water diversion device of this embodiment also can realize that the shutoff of spraying export 6 is closed, also can pinpoint when spraying export 6 seals, realizes various program functions of dish washer, and the concrete scheme is as follows:
furthermore, the spraying outlets 6 are arranged at certain intervals, and the area between at least two adjacent spraying outlets 6 is a plugging area 16 for plugging the through holes 12; when the through holes 12 rotate to the plugging area 16, each spraying outlet 6 is plugged; the blocking area 16 is correspondingly provided with a positioning detection piece 19.
Each spraying outlet 6 arranged on the plane of the second shell 101 is a through hole 12, and other areas are closed areas, and when the closed areas can completely cover the through holes 12 on the water diversion poking pieces 11, a blocking area 16 is formed. When the through holes 12 rotate to the plugging area 16, any spray outlet 6 cannot be conducted, and each spray outlet 6 is closed. When the washing program of the dishwasher is finished and the spraying is closed, the through hole 12 of the water distribution poking piece 11 needs to be controlled to rotate to the area. Therefore, the positioning detection piece 19 correspondingly arranged in the blocking area 16 can be accurately positioned, so that the through holes 12 in the water diversion shifting piece 11 are aligned with the blocking area 16, and the closing of each spraying outlet 6 is realized.
The arrangement mode of the blocking area 16 may include various modes, for example, when two or three spraying outlets 6 are uniformly distributed on the same circumference, if the through holes 12 are matched with each spraying outlet 6, the area between two adjacent spraying outlets 6 is the blocking area 16. When two or three spray outlets 6 are asymmetrically arranged, the region between adjacent spray outlets 6 that can cover the through holes 12 is the plugging region 16.
Preferably, the positioning detection piece 19 corresponding to the plugging area 16 is located on a connecting line between the center of the plugging area 16 and the center of the circumference where each spraying outlet 6 is located, so that the through holes 12 on the water distribution shifting piece 11 can be accurately aligned with the center of the plugging area 16, deviation is avoided, and water leakage is avoided.
Preferably, the positioning detection piece 19 arranged corresponding to the blocking area 16 and the positioning detection piece 19 arranged corresponding to the spray outlet 6 are located on the same circumference.
Further scheme still includes the drive arrangement 17 that sets up in first casing 91 outside, the middle part of water diversion plectrum 11 be provided with transmission shaft 18, transmission shaft 18 pass first casing 91 and be connected with drive arrangement 17, drive arrangement 17 drive water diversion plectrum 11 rotates, when location detection piece 19 and induction member 20 interact and laminating location, drive arrangement 17 stops.
The driving device 17 can be a motor or a water distribution motor, the motor drives the water distribution shifting piece 11 to slowly rotate through the transmission shaft 18, when a program needs to spray a certain path, the corresponding positioning detection piece 19 corresponding to the spray outlet 6 is conducted, when the interaction force of the sensing piece 20 and the positioning detection piece 19 is detected, the motor drives the water distribution shifting piece 11 to slowly rotate towards a set position through the transmission shaft 18, when the sensing piece 20 is close to and finally attached to the positioning detection piece 19, the corresponding spray outlet 6 is conducted with the through hole 12, the motor power supply is disconnected, the washing pump of the dish washing machine pumps water, and the water is sprayed through the spray outlet 6.
Therefore, the positioning detection piece 19 and the induction piece 20 can realize accurate positioning of the through hole 12 and the spraying outlet 6 through interaction force of the positioning detection piece and the induction piece, and the positioning detection piece 19 can also transmit signals to a main control device of the dish-washing machine to control the action of the motor, so that the water quantity and pressure of the spraying outlet 6 are ensured, and the spraying effect is ensured.
In this embodiment, the positioning detecting element 19 and the sensing element 20 may be any kind of elements that can generate an interaction force when one of the elements is opened and can be attached together, and can transmit a signal to the control device, for example, the positioning detecting element 19 may be an electromagnetic element, the sensing element 20 may be an electromagnetic element that attracts the positioning detecting element 19 or a permanent magnet, or other kinds of elements.
Preferably, in this embodiment, the positioning detection member 19 is an electromagnetic element, the induction member 20 is a permanent magnet, the permanent magnet rotates along with the water diversion paddle 11, and when the electromagnetic element corresponding to a certain spraying outlet 6 is energized, the permanent magnet and the electromagnetic element attract each other and adhere to each other, so that the through hole 12 and the corresponding spraying outlet 6 are positioned and conducted.
Example two
As shown in fig. 1 to 11, this embodiment is a further limitation of the first embodiment, and several specific arrangements of the spray outlets 6 and the water diversion stirring pieces 11 on the second housing 101, and specific arrangements of the positioning detection pieces 19 and the sensing pieces 20 are provided, taking a manner of having three spray outlets 6 as an example.
The embodiment provides a dish washer water diversion device, including first casing 91 and the second casing 101 that is connected, form the chamber that divides between first casing 91 and the second casing 101, divide and be equipped with rotatable minute water plectrum 11 in the chamber, be equipped with on the second casing 101 and spray outlet 6, divide and be equipped with through-hole 12 on the water plectrum 11, divide water plectrum 11 to rotate in order to switch on or shutoff to spray outlet 6, through-hole 12 and two adjacent outline phase-matchs that spray outlet 6, divide and be provided with on water plectrum 11 and the second casing 101 and be used for through-hole 12 and the positioning detection device who sprays outlet 6 positioning conduction.
In the scheme, the through holes 12 on the water diversion poking piece 11 are matched with the outer contours of two adjacent spraying outlets 6, so that the two spraying outlets 6 can be conducted simultaneously, and a washing mode that two kinds of spraying work simultaneously is realized; one spray outlet 6 can be communicated to realize independent work of each spray water flow, and the positioning detection device can enable the through holes 12 to be accurately aligned with one or two spray outlets 6, so that a required water path is communicated.
Further scheme, location detection device including set up a plurality of location detection piece 19 on second casing 101 and set up response piece 20 on water diversion plectrum 11, response piece 20 rotates along with water diversion plectrum 11, when locating detection piece 19 interact and laminating with the difference, through-hole 12 and single or two adjacent shower outlets 6 location switch on.
The positioning detection pieces 19 are arranged on the second shell 101 and are arranged at specific positions according to requirements, so that different and different numbers of the spraying outlets 6 can be conducted when the sensing piece 20 interacts with and is attached to different positioning detection pieces 19. For example, when the sensing member 20 is operatively engaged with the positioning detection member 19 corresponding to the single spray outlet 6, the single spray outlet 6 is conducted; when the sensing member 20 is simultaneously and correspondingly engaged with the positioning detection member 19 of two adjacent spraying outlets 6, the two adjacent spraying outlets 6 are conducted. Therefore, the accurate positioning of various spraying modes can be realized.
In a further scheme, the number of the spraying outlets 6 is at least three, and each spraying outlet 6 is arranged on the same circumference by taking the axis of the second shell 101 as the center; the positioning detection piece 19 is arranged on a connecting line of the center of the corresponding spray outlet 6 and the center of the circumference of the spray outlet 6,
and/or the positioning detection piece 19 is arranged on a connecting line between the midpoint of the central connecting line of two adjacent spraying outlets 6 and the center of the second shell 101.
The positioning detection piece 19 is arranged on a connecting line of the center of the corresponding spray outlet 6 and the center of the circumference where the spray outlet 6 is positioned, and can correspond to the single spray outlet 6, so that the single spray outlet 6 is aligned and communicated with the through hole 12; and when the through hole 12 is arranged on a connecting line between the midpoint of the central connecting line of two adjacent spraying outlets 6 and the center of the second housing 101, the through hole can correspond to the two adjacent spraying outlets 6, so that the through hole 12 is aligned with and communicated with the two spraying outlets 6.
When the positioning detection piece 19 is arranged on each central connecting line, the maximum acting force of the interaction of the positioning detection piece 19 and the induction piece 20 is positioned on the central connecting line, and the induction piece 20 is also positioned on the connecting line of the center of the through hole 12 and the center of the water diversion shifting piece 11, so that the center of the through hole 12 of the water diversion shifting piece 11 and the center of the spray outlet 6 can be accurately aligned, thereby avoiding the positioning deviation and ensuring that the corresponding spray outlet 6 can be accurately and completely communicated.
In a further scheme, the spray outlets 6 comprise a first spray outlet 13, a second spray outlet 14 and a third spray outlet 15 which are arranged on the second shell 101, the spray outlets 6 are uniformly distributed on the same circumference at intervals, and a part of through holes 12 are blocked in an area between adjacent spray outlets 6; each positioning detection piece 19 is arranged on a line connecting the center of the corresponding spray outlet 6 and the center of the circumference where the spray outlet 6 is located and a line connecting the midpoint of two adjacent spray outlets 6 and the center of the second housing 101.
Preferably, the axes of the first spray outlet 13, the second spray outlet 14 and the third spray outlet 15 are arranged in parallel. The first spray outlet 13, the second spray outlet 14 and the third spray outlet 15 are arranged on the disc-shaped plane 101 of the second housing 101, the three spray outlets 6 can be uniformly distributed on the same circumference of the plane, and the size of the spray outlets 6 can be set according to the requirement.
Preferably, a plurality of positioning detection members 19 are located on the same circumference. A plurality of location detection piece 19 are located same circumference, only set up an response piece 20 alright in order to realize the laminating location with each location detection piece 19 through the rotation on the water diversion plectrum 11 to realize correspondingly spraying 6 and switch on, avoid the interference of a plurality of response pieces 20.
The opposite face of each spraying outlet 6 is provided with corresponding location detection piece 19 on same circumference at interval evenly distributed, simultaneously, still be provided with location detection device on the mid point of the line of the center of adjacent spraying outlet 6, so, a plurality of location detection piece 19 interval 60 degrees set up, cooperation and the response piece 20 that the through-hole 12 center corresponds, can enough pinpoint single spraying outlet 6 and through-hole 12 switch on, can pinpoint two adjacent spraying outlets 6 again and switch on with through-hole 12, realize diversified spraying.
In a further scheme, the distance from the positioning detection piece 19 to the center of the circumference where the plurality of spraying outlets 6 are located is larger than the distance from the spraying outlets 6 to the center of the circumference; the distance from the sensing piece 20 to the center of the water distribution shifting piece 11 is the same as the distance from the positioning detection piece 19 to the center of the circumference where the plurality of spraying outlets 6 are located.
Because the second housing 101 and the water diversion poking piece 11 have limited arrangement areas, the area of the inner periphery of the spray outlet 6 is relatively small, and the preferred arrangement mode is that the positioning detection piece 19 is positioned at the outer periphery of the spray outlet 6, namely the distance from the positioning detection piece to the center of the periphery is larger than the distance from the spray outlet 6 to the center of the periphery, so that the installation of a plurality of positioning detection pieces 19 is convenient. The distance from the sensing piece 20 to the center of the water diversion shifting piece 11 is the same as the distance from the positioning detection piece 19 to the center of the circumference where the plurality of spraying outlets 6 are located, so that the positions of the sensing piece 20 and the positioning detection piece 19 can be vertically corresponding, and the accurate fitting positioning of the sensing piece 20 and the positioning detection piece is ensured.
In a further scheme, the positioning detection piece 19 and the corresponding spraying outlet 6 are positioned on two sides of the central axis of the second shell 101, and the sensing piece 20 and the through hole 12 are positioned on two sides of the central axis of the water diversion poking piece 11. Therefore, the distance between the spray outlet 6 and the corresponding positioning detection piece 19 is enlarged, so that the influence of the water pressure on the positioning detection piece 19 when the spray outlet 6 is communicated can be avoided, and the positioning accuracy between the positioning detection piece 19 and the induction piece 20 is ensured.
In a further scheme, the through holes 12 are arc-shaped holes matched with the outer contours of the two adjacent spraying outlets 6, and the sensing part 20 is arranged on a connecting line between the center of the arc-shaped hole and the center of the water diversion shifting piece 11 and corresponds to the position of the positioning detection part 19.
The spraying outlets 6 are positioned on the same circumference, and the through holes 12 on the water diversion shifting piece 11 are positioned at the positions corresponding to the spraying outlets 6; thus, the two ends of the through hole 12 are matched with the outer contours of the two spraying outlets 6, and the middle part is an arc-shaped section, so that an arc-shaped hole is formed. When the two sides of the arc-shaped hole are opposite to the spraying outlets 6, the two spraying outlets 6 are communicated, one end of the arc-shaped hole corresponds to one spraying outlet 6, and when the other end of the arc-shaped hole corresponds to the area between the two spraying outlets 6, the through hole 12 is partially blocked, and only one spraying outlet 6 is communicated.
In a further scheme, the positioning detection piece 19 is an electromagnetic element, the induction piece 20 is a permanent magnet, the permanent magnet rotates along with the water diversion shifting piece 11, and when the electromagnetic element corresponding to one spraying outlet 6 is electrified and the permanent magnet and the electromagnetic element are mutually acted and attached, the through hole 12 and the corresponding spraying outlet 6 are positioned and conducted; when the permanent magnet is attached to the electromagnetic element between two adjacent spraying outlets 6, the through hole 12 is communicated with the two adjacent outlets.
In addition, the present embodiment further provides other arrangement modes of the spray outlet 6, the water diversion poking sheet 11, the positioning detection piece 19 and the sensing piece 20, but is not limited to these several modes:
in the scheme 1, as shown in fig. 6 to 8, the first spray outlet 13, the second spray outlet 14 and the third spray outlet 15 which are arranged on the disc-shaped plane 101 of the second housing 101 have the same outline, and the through holes 12 on the water distribution shifting piece 11 are matched with the outline of each spray outlet 6; the through holes 12 are communicated when rotating to the corresponding spraying outlets 6; the area between at least one two adjacent spraying outlets 6 is a plugging area 16 for plugging the through hole 12; when the through holes 12 of the water diversion shifting sheet 11 rotate to the plugging area 16, each spraying outlet 6 is plugged.
The first spraying outlet 13, the second spraying outlet 14, the third spraying outlet 15 and the blocking area 16 are respectively provided with corresponding electromagnetic elements. The four electromagnetic elements are all located on a connecting line from the center of the corresponding spray outlet 6 or the blocking area 16 to the center of the disc-shaped plane 101, are located on the same circumference, and are located at a distance from the center of the disc-shaped plane 101 which is larger than the distance from the center of each spray outlet 6 to the center of the disc-shaped plane 101. The sensing piece 20 arranged on the water diversion shifting piece 11 is a permanent magnet which is positioned on a connecting line from the through hole 12 to the center of the water diversion shifting piece 11, positioned on the same circumference with each electromagnetic element and attracted and attached when rotating to the electromagnetic elements.
In this embodiment, there are two preferred embodiments:
one is that: as shown in fig. 6-8, the first spraying outlets 13, the second spraying outlets 14 and the third spraying outlets 15 are uniformly distributed on the same circumference, and the areas between two adjacent spraying outlets 6 are plugging areas 16; when the through holes 12 of the water diversion poking sheet 11 rotate each spray outlet 6, the corresponding spray water path is conducted, and when the water diversion poking sheet rotates to the blocking area 16, spraying is not carried out.
The other is that the first spray outlet 13, the second spray outlet 14 and the third spray outlet 15 are positioned on the same circumference, the first spray outlet 13 and the third spray outlet 15 are oppositely arranged, and the second spray outlet 14 is arranged at the central position between the first spray outlet 13 and the third spray outlet 15; the opposite position of the second spray outlet 14 is a plugging area 16.
Above two kinds of preferred modes can realize switching on of solitary water route that sprays, with the electromagnetic element that each spraying outlet 6 corresponds and the permanent magnet cooperation on the water diversion plectrum 11, can pinpoint.
The first spraying outlet 13, the second spraying outlet 14, the third spraying outlet 15 and the plugging area 16 are respectively provided with corresponding electromagnetic elements. The four electromagnetic elements are all located on a connecting line from the center of the corresponding spray outlet 6 or the blocking area 16 to the center of the disc-shaped plane 101, are located on the same circumference, and are located at a distance from the center of the disc-shaped plane 101 which is larger than the distance from the center of the corresponding spray outlet 6 to the center of the disc-shaped plane 101. The sensing piece 20 arranged on the water diversion shifting piece 11 is a permanent magnet which is positioned on a connecting line from the through hole 12 to the center of the water diversion shifting piece 11, positioned on the same circumference with each electromagnetic element, attracted and attached when rotated to the electromagnetic elements, and the through hole 12 is communicated with the corresponding through hole 12.
EXAMPLE III
As shown in fig. 1 to 11, this embodiment is a further limitation of the first embodiment or the second embodiment, the first housing 91 is provided with a water inlet 3 and a water outlet 5, the water inlet 3 and the water outlet 5 are communicated with the water diversion chamber, and water flows into the water diversion chamber through the water inlet 3 and is guided out through the water outlet 5 and/or the spray outlet 6.
The water diversion device of the general dishwasher is only provided with a water inlet 3 and a spraying outlet 6, a washing pump at the bottom of the dishwasher pumps water to the water inlet 3, and the water enters the spraying device at the inner part of the dishwasher from the spraying outlet 6. The washing water is heated or needs to be additionally provided with a pipeline and a control valve when being recycled, so that the cost is increased, the pipeline inside the dish washing machine is complex, and the maintenance is inconvenient.
The water diversion device of the embodiment is not only provided with the spraying outlet 6, but also additionally provided with the water outlet 5, and the water outlet 5 can be communicated with other components, for example, a heat exchange component so as to circularly heat the washing water, or can be communicated with a recovery energy storage device so as to recover the water or heat energy of the washing water; or may communicate with other special components as desired. Therefore, the water diversion device can be realized only through the water diversion device of the embodiment without additionally arranging a control valve, the internal structure of the dish washing machine is simplified, and the occupied space is reduced.
Specific embodiments may include, but are not limited to, the following:
scheme 1, the delivery port 5 of water diversion device and the heat transfer pipeline intercommunication of the heating device of dish washer, water inlet 3 and delivery port 5 switch on all the time, the rivers in the water diversion cavity flow out through delivery port 5, perhaps flow out by delivery port 5 and spraying outlet 6.
In this scheme, water inlet 3 of water diversion device keeps normal open state, water inlet 3 can be direct or indirect with the heating device's of dish washer pipeline intercommunication, so, flow one way rivers by delivery port 5 and can keep with heating device's heat exchange state, continuously heat the washing water to improve the washing effect. Spray when heating washing water, raise the efficiency.
When the spraying outlet 6 is blocked, the water flow entering the water diversion chamber from the water inlet 3 only flows out from the water outlet 5, and exchanges heat with a heating device of the dish washing machine to heat washing water; and when one or more spray outlets 6 are communicated, the water flow entering from the water inlet 3 can be sprayed out through the water outlet 5 and the spray outlets 6 at the same time, and the processes of spraying, washing and washing water heating are carried out simultaneously without mutual influence, so that the time is saved and the efficiency is improved.
In a further scheme, the diameter of the water outlet 5 is smaller than that of the water inlet 3.
The water diversion device is generally arranged at the bottom of the dish washing machine, the washing pump is arranged at the bottom of the dish washing machine, the washing water in the dish washing machine is pumped into the water diversion device, and spraying in different water paths is carried out according to the setting of a program. The water inlet 3 of the water diversion device is thus in communication with the water outlet 5 of the washing pump, where the water delivered by the washing pump to the water diversion device is redistributed. The spraying outlet 6 can ensure that the spraying water flow strength is enough to achieve a better spraying and flushing effect only by needing larger water quantity. Because the water outlet 5 and the water inlet 3 are always communicated, in order to ensure the water quantity entering the spraying outlet 6, the diameter of the water outlet 5 needs to be smaller than or even far smaller than that of the inlet and the outlet so as to ensure that the water quantity entering the spraying outlet 6 is sufficient, and only a small part of water flows flow out of the water outlet 5 for heating.
In a further scheme, the water inlet direction of the water outlet 5 deviates from the water outlet direction of the water inlet 3, and the axis of the water outlet 5 and the axis of the water inlet 3 form a certain included angle.
The water outlet 5 and the water inlet 3 are both communicated with the first chamber 7, when water enters the water inlet 3, if the water inlet 3 is opposite to the water outlet 5, water flow can easily and directly flush from the water inlet 3 to the water outlet 5, and the water quantity and the water pressure entering the spraying outlet 6 are influenced. In this scheme, the water inlet direction of delivery port 5 deviates from the water outlet direction of water inlet 3, and namely both are not direct relative, and both's axis is not on a straight line, becomes certain contained angle setting. So, play the effect of blockking to the rivers of intaking, rivers can be steady get into first cavity 7 and second cavity 8, are favorable to controlling the trend of rivers, guarantee to spray the effect, reach the purpose of controlling 5 rivers of delivery port simultaneously.
In a further scheme, the water outlet 5 and the water inlet 3 are arranged on the side wall of the first shell 91, the axes of the water inlet 3 and the water outlet 5 and the axis of the first shell 91 form a certain included angle, and preferably, the water outlet 5 and the water inlet 3 are arranged perpendicular to the side wall of the first chamber 7. The water outlet 5 may be provided in the L region as shown in fig. 5. Preferably, the vertical distance from the axis of the water outlet 5 to the surface of the second casing 101 is smaller than the vertical distance from the axis of the water inlet 3 to the surface of the second casing 101.
Scheme 2: and a control device for controlling the opening and closing of the water outlet 5 is arranged at the water outlet. The water outlet 5 can be communicated with other components, for example, can be communicated with a recovery energy storage device for water recovery or heat energy recovery of washing water; or may be in communication with other special components as desired. The water outlet 5 is provided with a control device, and the water outlet 5 can be opened or closed according to the requirement. Therefore, other structures do not need to be additionally arranged, the water diversion device can be used for realizing the purpose, the internal structure of the dish washing machine is simplified, and the occupied space is reduced.
In a further scheme, a connecting pipeline is arranged on the water outlet 5, the control device is a control valve, and the control valve is arranged at the water outlet 5 or in the connecting pipeline and used for controlling the on-off of water flow in the connecting pipeline. The connecting pipeline arranged at the water outlet 5 is convenient for connecting other devices, receiving the washing water flowing out of the water outlet 5 and is also beneficial to arranging a control valve.
In a further scheme, one end of the connecting pipeline is connected with a water outlet 5, the other end of the connecting pipeline is connected with a recovery energy storage device of the dish washing machine, when the spraying outlet 6 is closed, the control valve is opened, and water flow is guided out from the water outlet 5;
or the spraying outlet 6 is communicated, the control valve is opened at the same time, and water flows out through the water outlet 5 and the spraying outlet 6.
When the spraying outlets 6 are closed after the washing is finished, the washing water in the dishwasher is generally directly discharged, and the water and the heat energy are wasted. In the scheme, the control valve is opened, the water outlet 5 is communicated with the recovery energy storage device, the washing water can be conveyed to the recovery energy storage device, the water and the heat energy are recycled, and the heat energy utilization rate of the dish washing machine is improved.
In the washing process, the spraying outlet 6 is opened to spray, the control valve is opened, part of water flow can flow out from the water outlet 5, and the water flow can be used for other purposes according to the needs of users.
According to the further scheme, the output of the washing pump of the dish washing machine can be adjusted according to the water distribution condition, so that the optimal washing effect is achieved. When the washing pump (washing motor) with variable speed is used for washing, the pressure and flow conditions of each water outlet 5 can be calculated in advance according to the quantity of the washing spray outlets 6, the positions of the spray outlets 6 and the like, and the washing pump can be automatically regulated to achieve the optimal washing effect and energy interaction effect, so that the optimal effect is achieved.
For example, the output of the washing pump can be provided with a plurality of gears, and each gear corresponds to the output of parameters such as the rotating speed/power/frequency of the washing pump under different water dividing conditions. For example, the first level corresponds to the requirement of a certain spray outlet 6, the second level corresponds to the requirement of a certain two spray outlets 6, and the third level corresponds to the requirement of opening the spray outlets 6 on the water diversion paddle 11 and the water outlets 5 on the first shell 91 at the same time, and so on.
Example four
The embodiment provides a dishwasher with the water diversion device described in the first embodiment, the second embodiment or the third embodiment, the dishwasher comprises a main control device and a plurality of spraying devices, a plurality of spraying outlets 6 of the water diversion device are respectively communicated with the plurality of spraying devices, and the positioning detection device is electrically connected with the main control device.
The drive unit 17 on the water diversion device is also electrically connected to the main control unit and is controlled by the main control unit. Therefore, the main control device of the dish washing machine can position the detection device according to the program control and control the driving device 17 according to the signal of the positioning detection device, and the positioning is realized without calculating the conduction time of the motor through the rotation angle, so that the alignment accuracy of the through hole 12 and the spray outlet 6 can be greatly improved, the deviation of the through hole and the spray outlet caused by the error of the rotation angle of the motor is avoided, the phenomenon of water flow reduction is caused, and the spray effect is improved.
In addition, the embodiment further provides a control method of the dishwasher, which specifically includes:
when the dish-washing machine performs spray washing, the main control device controls the driving device 17 to drive the water diversion shifting sheet 11 to rotate, and starts the positioning detection piece 19 corresponding to the corresponding spray outlet 6, the induction piece 20 of the water diversion shifting sheet 11 rotates towards the corresponding positioning detection piece 19, when the water diversion shifting sheet and the positioning detection piece are attached, the through hole 12 is aligned and communicated with the corresponding spray outlet 6, and the driving device 17 stops working;
or the main control device controls the driving device 17 to drive the water diversion shifting sheet 11 to rotate, and opens the positioning detection piece 19 corresponding to the blocking area 16, the sensing piece 20 of the water diversion shifting sheet 11 rotates towards the corresponding positioning detection piece 19, when the two pieces are jointed, the through hole 12 is aligned with the blocking area 16, and each spray outlet 6 is blocked; preferably, when the water outlet 5 of the water diversion device is opened, the water flow is guided out through the water outlet 5.
As a more specific aspect, the control scheme includes:
when the dish-washing machine performs spray washing, the main control device controls the water diversion shifting piece 11 to rotate, and the positioning detection device controls the through hole 12 to be positioned and communicated with the corresponding single or two adjacent spray outlets 6 for spraying;
preferably, when the dishwasher sprays one way, the main control device controls the water diversion shifting piece 11 to rotate and starts the positioning detection piece 19 corresponding to the corresponding spraying outlet 6, the induction piece 20 of the water diversion shifting piece 11 rotates towards the corresponding positioning detection piece 19, and when the two pieces are attached, the through hole 12 is communicated with the corresponding single spraying outlet 6; the water diversion shifting piece 11 stops rotating;
or when the dishwasher sprays in two ways, the main control device controls the water diversion shifting piece 11 to rotate and starts the positioning detection piece 19 corresponding to the position between the two corresponding spraying outlets 6, the induction piece 20 of the water diversion shifting piece 11 rotates towards the corresponding positioning detection piece 19, and when the two are attached, the through hole 12 is communicated with the two corresponding spraying outlets 6; the water diversion paddle 11 stops rotating.
More specific schemes include:
when the program mode of the dish washer runs to a certain spraying program, the main control device is used for electrifying the electromagnetic element corresponding to the spraying outlet 6 for spraying downwards to generate magnetic force, the water diversion motor drives the water diversion shifting sheet 11 to slowly rotate through the transmission shaft 18, when the main control device detects that the electrified electromagnetic element attracts the permanent magnet on the water diversion shifting sheet 11, the water diversion shifting sheet 11 is controlled to slowly rotate towards the set position, and after the permanent magnet attracts the electromagnetic device, the power supply of the motor is disconnected, the washing pump is controlled to pump water, and the downward spraying is carried out.
When heat recovery is needed, the main control device energizes the electromagnetic element corresponding to the blocking area 16 to generate magnetic force, the permanent magnet is controlled to be attracted with the electromagnetic element, the through hole 12 on the water distribution shifting piece 11 corresponds to the blocking area 16, each spraying outlet 6 is closed, meanwhile, the water outlet 5 of the water distribution device is controlled to be opened, and washing water enters the energy recovery and storage device through the water outlet 5, so that heat energy recovery is realized.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A water diversion device of a dish washing machine comprises a first shell and a second shell which are connected, a water diversion cavity is formed between the first shell and the second shell, a rotatable water diversion shifting piece is arranged in the water diversion cavity, a spraying outlet is arranged on the second shell, a through hole is arranged on the water diversion shifting piece, and the water diversion shifting piece rotates to conduct or block the spraying outlet; the positioning detection device comprises a plurality of positioning detection pieces arranged on the second shell and sensing pieces arranged on the water distribution shifting piece, and when the sensing pieces rotate along with the water distribution shifting piece and interact with and are attached to different positioning detection pieces, the through holes are positioned and communicated with a single or two adjacent spraying outlets;
the spraying outlets comprise a first spraying outlet, a second spraying outlet and a third spraying outlet which are arranged on the second shell, the first spraying outlet, the second spraying outlet and the third spraying outlet have the same outline, the spraying outlets are uniformly distributed on the same circumference at intervals, and partial through holes are blocked in the area between the adjacent spraying outlets; each positioning detection piece is arranged on a connecting line of the center of the corresponding spraying outlet and the center of the circumference where the spraying outlet is positioned and on a connecting line of the midpoint of two adjacent spraying outlets and the center of the second shell;
the through holes are arc-shaped holes matched with the outer contours of two adjacent spraying outlets, and the sensing piece is arranged on a connecting line between the center of the arc-shaped hole and the center of the water diversion shifting piece and corresponds to the position of the positioning detection piece;
the first shell is provided with a water inlet and a water outlet, the water inlet and the water outlet are communicated with the water diversion cavity, water flows into the water diversion cavity through the water inlet and is guided out by the water outlet and/or the spray outlet, the water outlet of the water diversion device is communicated with a heat exchange pipeline of a heating device of the dish washing machine, and the water inlet is communicated with the water outlet all the time;
the diameter of the water outlet is smaller than that of the water inlet, the water inlet direction of the water outlet deviates from the water outlet direction of the water inlet, the axis of the water outlet and the axis of the water inlet form a certain included angle, the water outlet and the water inlet are arranged on the side wall of the first shell, and the axes of the water inlet and the water outlet and the axis of the first shell form a certain included angle; the vertical distance from the axis of the water outlet to the surface of the second shell is less than that from the axis of the water inlet to the surface of the second shell;
a sealing ring is arranged between the first shell and the second shell.
2. The water distribution device of claim 1, wherein the plurality of positioning detecting members are located on the same circumference.
3. The water distribution device of a dishwasher according to claim 1, wherein the distance from the positioning detection member to the center of the circumference where the plurality of spray outlets are located is greater than the distance from the spray outlets to the center of the circumference; the distance from the sensing piece to the center of the water diversion shifting sheet is the same as the distance from the positioning detection piece to the center of the circumference where the plurality of spraying outlets are located.
4. The water diversion device of claim 3 wherein said positioning detection member and its corresponding spray outlet are located on both sides of the central axis of the second housing, and said sensing member and through hole are located on both sides of the central axis of the water diversion paddle.
5. The dishwasher of any one of claims 1 to 4, wherein the positioning detection member is an electromagnetic element, the induction member is a permanent magnet, the permanent magnet rotates along with the water diversion paddle, and when the electromagnetic element corresponding to a spray outlet is energized and the permanent magnet interacts and is attached with the electromagnetic element, the through hole and the corresponding spray outlet are positioned and conducted; when the permanent magnet is attached to the electromagnetic element between two adjacent spraying outlets, the through hole is communicated with the two adjacent spraying outlets.
6. A dishwasher having a water distribution device according to any one of claims 1 to 5, comprising a main control device and a plurality of spray devices, wherein a plurality of spray outlets of the water distribution device are respectively communicated with the plurality of spray devices, and the positioning detection device is electrically connected with the main control device.
7. The control method of the dish-washing machine according to claim 6, characterized in that when the dish-washing machine is used for spraying and washing, the main control device controls the rotation of the water diversion plectrum, and the positioning detection device controls the through hole to be positioned and communicated with the corresponding single or two adjacent spraying outlets for spraying.
8. The control method according to claim 7, wherein when the dishwasher sprays all the way, the main control device controls the water diversion plectrum to rotate and starts the positioning detection piece corresponding to the corresponding spraying outlet, the sensing piece of the water diversion plectrum rotates towards the corresponding positioning detection piece, and when the two pieces are attached, the through hole is communicated with the corresponding single spraying outlet; the water diversion shifting piece stops rotating;
or when the dish-washing machine sprays two ways, the main control device controls the water diversion shifting sheet to rotate and starts the positioning detection piece corresponding to the position between the two corresponding spraying outlets, the sensing piece of the water diversion shifting sheet rotates towards the corresponding positioning detection piece, and when the water diversion shifting sheet and the positioning detection piece are attached, the through hole is communicated with the two corresponding spraying outlets; the water diversion poking piece stops rotating.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810473693.4A CN110495837B (en) | 2018-05-17 | 2018-05-17 | Dish-washing machine water distribution device, dish-washing machine and control method thereof |
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| CN201810473693.4A CN110495837B (en) | 2018-05-17 | 2018-05-17 | Dish-washing machine water distribution device, dish-washing machine and control method thereof |
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| DE102008043613B4 (en) * | 2008-11-10 | 2011-02-24 | BSH Bosch und Siemens Hausgeräte GmbH | Electric household appliance with at least one liquid feed |
| CN202821260U (en) * | 2012-08-28 | 2013-03-27 | 美的集团股份有限公司 | Water-distributing valve and dishing-washing machine with water-distributing valve |
| CN106151592B (en) * | 2015-04-13 | 2019-05-17 | 青岛海尔洗碗机有限公司 | A kind of shunt valve component and dish-washing machine |
| US9743822B2 (en) * | 2015-09-10 | 2017-08-29 | Haier Us Appliance Solutions, Inc. | Variable position diverter for an appliance |
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