CN107970010B - Multi-waterway pump and dish washing machine with same - Google Patents
Multi-waterway pump and dish washing machine with same Download PDFInfo
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- CN107970010B CN107970010B CN201610919740.4A CN201610919740A CN107970010B CN 107970010 B CN107970010 B CN 107970010B CN 201610919740 A CN201610919740 A CN 201610919740A CN 107970010 B CN107970010 B CN 107970010B
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- water
- pump
- shape memory
- memory alloy
- water outlet
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
- A47L15/4217—Fittings for water supply, e.g. valves or plumbing means to connect to cold or warm water lines, aquastops
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
- A47L15/4223—Devices for water discharge, e.g. devices to prevent siphoning, non-return valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
- F04D15/0022—Control, e.g. regulation, of pumps, pumping installations or systems by using valves throttling valves or valves varying the pump inlet opening or the outlet opening
Abstract
The invention discloses a multi-waterway pump and a dish washer with the same, wherein the multi-waterway pump comprises: a pump housing, a sealing diaphragm, a shape memory alloy, and a drive member. The pump shell is internally limited with a cavity and is provided with a water inlet and at least two water outlets which are communicated with the cavity, the closed membrane is movably arranged at the water outlets to open and close the water outlets, the shape memory alloy is connected with the closed membrane to drive the closed membrane to move according to the self deformation, and the driving piece is matched with the shape memory alloy to control the shape memory alloy to deform. According to the multi-waterway pump disclosed by the embodiment of the invention, the random switching of multiple waterways can be realized, and compared with the traditional waterway switching valve, the multi-waterway pump combines the pump and the switching valve, namely, the drainage pump, the reversing valve and the washing pump are integrated on one pump, so that the overall structure is simple and compact, the material consumption is reduced, the production cost is reduced, the occupied space is saved, and the waste of water resources is reduced.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a multi-waterway pump and a dish washing machine with the same.
Background
A dishwasher, also known as a dish washer or a dish washer, is a household appliance for replacing manual washing of dishes, cups, plates, spoons and the like. The dish washer has the working principle that hot water with detergent dissolved is jetted to the kitchen ware to be washed at a high speed, the water is drained after washing, then the clean water is changed for washing, and the tableware is dried by utilizing the waste heat of the dish washer or the air heated by the heating element after being washed, so the dish washer is also called as a dish dryer.
Among the correlation technique, because dish washer need wash the bowl dish with the rivers, therefore the water pump is vital to dish washer, and dish washer mainly provides the water conservancy demand for dish washer through using independent washing pump, uses independent drain pump to be used for the drainage demand, uses motor drive shunt valve to distribute rivers to different spray arms, and dish washer needs a plurality of motors and water pump work in proper order just can accomplish the process of washing dishes. For example, a washing pump and a motor are required in the washing process, a drainage motor and a motor are required in the drainage process, a shunt valve and a motor are required for controlling different spray arms to work, a plurality of pumps and motors require large space and high cost, and water resources are wasted.
Disclosure of Invention
The present invention aims to solve at least one of the above technical problems to a certain extent.
Therefore, the invention provides the multi-waterway pump which has the advantages of compact structure, small volume, low cost and water resource saving.
The invention also provides a dishwasher with the multi-waterway pump.
A multi-circuit pump according to an embodiment of the first aspect of the invention comprises: the pump comprises a pump shell, a closed membrane, shape memory alloy and a driving piece, wherein a cavity is limited in the pump shell, the pump shell is provided with a water inlet and at least two water outlets which are communicated with the cavity, the closed membrane is movably arranged at the water outlets to open and close the water outlets, the shape memory alloy is connected with the closed membrane to drive the closed membrane to move according to the deformation of the shape memory alloy, and the driving piece is matched with the shape memory alloy to control the shape memory alloy to deform.
According to the multi-waterway pump disclosed by the embodiment of the invention, the shape memory alloy is controlled to deform by the driving piece, the closed membrane is driven to move according to the self deformation of the shape memory alloy, the waterway can be switched, and the random switching of the multi-waterway is realized. The multi-waterway pump has the advantages of compact structure, small volume, low cost and water resource saving.
In addition, the multi-waterway pump according to the embodiment of the invention may further have the following additional technical features:
according to one embodiment of the present invention, the number of the water outlets is two, the number of the sealing membrane is one, and the sealing membrane is movably disposed between the two water outlets to seal one of the water outlets when the other water outlet is opened.
According to an embodiment of the invention, the multi-waterway pump further comprises: the water receiving pipe is provided with a water inlet pipe, a first water outlet pipe and a second water outlet pipe which are mutually communicated, the water inlet pipe is connected with the pump shell and is communicated with the cavity, a first water inlet end and a first water outlet end are limited in the first water outlet pipe, a second water inlet end and a second water outlet end are limited in the second water outlet pipe, the first water inlet end and the second water inlet end are respectively communicated with the water inlet pipe, and the first water outlet end and the second water outlet end are respectively formed into the water outlet.
According to an embodiment of the invention, the water receiving pipe is formed in a substantially Y-shape, and the closing membrane is movably arranged between the first water inlet end and the second water inlet end to close one of the first water inlet end and the second water inlet end when the other of the first water inlet end and the second water inlet end is opened.
According to one embodiment of the invention, said shape memory alloy is provided at the junction of said first outlet pipe and said second outlet pipe, said closing diaphragm being driven by said shape memory alloy and pivoting about the axis of said shape memory alloy.
According to an embodiment of the invention, an end of the first water inlet end is formed as a first sealing plane and an end of the second water inlet end is formed as a second sealing plane, a radial dimension of the closing diaphragm being larger than an inner diameter dimension of the first sealing plane and the second sealing plane, the closing diaphragm being configured to close the first water inlet end when resting against the first sealing plane and to close the second water inlet end when resting against the second sealing plane.
According to one embodiment of the invention, the driving member is formed as a driving coil arranged outside the water receiving pipe, the driving coil is connected with the shape memory alloy and controls the shape memory alloy to deform when electrified.
According to one embodiment of the invention, the water inlet pipe, the first water outlet pipe and the second water outlet pipe are integrally formed.
According to one embodiment of the invention, the closing membrane is a rubber membrane, and the shape memory alloy is integrated in the closing membrane by injection molding.
The dishwasher according to the second aspect of the embodiment of the present invention comprises the multi-circuit pump according to the above-described embodiment.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of a water receiving pipe according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 2;
FIG. 4 is a schematic view of a water receiving pipe according to another aspect of the present disclosure;
FIG. 5 is a schematic view of a water receiving pipe according to another aspect of the present disclosure;
fig. 6 is a perspective view of a water receiving pipe according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a multi-channel pump according to an embodiment of the present invention;
FIG. 8 is a perspective view of a multiple water circuit pump according to an embodiment of the present invention;
fig. 9 is a perspective view of a multiple water pump according to another aspect of an embodiment of the present invention.
Reference numerals:
100: a multi-waterway pump;
10: a pump housing; 11: a water inlet;
20: sealing the membrane;
30: a shape memory alloy;
40: a drive member;
50: a water receiving pipe;
51: a water inlet pipe;
52: a first water outlet pipe;
521: a first sealing plane; 522: a first water outlet;
53: a second water outlet pipe;
531: a second sealing plane; 532: a second water outlet;
60: and assembling the screws.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
The multi-circuit pump 100 according to the first aspect of the present invention will be described in detail with reference to fig. 1 to 9.
As shown in fig. 1 to 9, a multi-circuit pump 100 according to an embodiment of the present invention includes: pump housing 10, closure diaphragm 20, shape memory alloy 30 and driver 40.
Specifically, a chamber is defined in the pump shell 10, the pump shell 10 is provided with a water inlet 11 and at least two water outlets which are communicated with the chamber, the sealing membrane 20 is movably arranged at the water outlets to open and close the water outlets, the shape memory alloy 30 is connected with the sealing membrane 20 to drive the sealing membrane 20 to move according to the deformation of the sealing membrane, and the driving piece 40 is matched with the shape memory alloy 30 to control the deformation of the shape memory alloy 30.
In other words, a cavity is defined in the pump case 10, a water inlet 11 and at least two water outlets are arranged on the pump case 10, the water inlet 11 and each water outlet are respectively communicated with the cavity, the sealing membrane 20 is arranged at the water outlet and can move relative to the water outlets, the shape memory alloy 30 is connected with the sealing membrane 20, the sealing membrane 20 can be movably switched between the two water outlets to open one of the water outlets and close the other water outlet, the driving part 40 controls the shape memory alloy 30 to deform, the sealing membrane 20 is driven to move according to the self deformation of the shape memory alloy 30, and the switching of multiple water paths can be realized.
Specifically, the driving member 40 deforms the shape memory diaphragm through the magnetic control effect, and generates a driving force according to the self deformation of the shape memory diaphragm, so that the sealing diaphragm 20 is driven, the sealing diaphragm 20 is switched between the two water outlets, that is, one of the water outlets can be opened, the other water outlet is closed, and the water path is switched.
Taking a spring processed by the shape memory alloy 30 as an example, if the driving part 40 heats the spring, the spring is deformed by extension, if the driving part 40 does not heat the spring, when the temperature is reduced, the spring returns to the original state, when the shape memory alloy 30 is not deformed, the sealing diaphragm 20 closes one water outlet, the driving part 40 heats the shape memory alloy 30 to promote the shape memory alloy 30 to deform by extension and the like, the sealing diaphragm 20 is driven to move, namely, the sealing diaphragm rotates from the position of one water outlet to the position of the other water outlet, and at this time, one water outlet is opened and the other water outlet is closed.
When the driving member 40 does not heat the shape memory alloy 30 and the temperature is reduced, the shape memory alloy 30 is restored to the original state, the sealing membrane 20 is driven to return to the original position, that is, the sealing membrane 20 rotates from the position of another water outlet to the position of one water outlet, and at this time, one water outlet is closed and the other water outlet is opened.
Referring to fig. 3, one end of the shape memory alloy 30 is a fixed end, the other end of the shape memory alloy 30 is connected to the sealing diaphragm 20, and the shape memory alloy 30 can be turned over relative to the fixed end, for example, the driving member 40 heats the shape memory alloy 30, the shape memory alloy 30 returns to the original position when the temperature decreases if the driving member 40 does not heat the shape memory alloy 30, when the shape memory alloy 30 is not turned over, the sealing diaphragm 20 closes one water outlet, the driving member 40 heats the shape memory alloy 30, so as to cause the shape memory alloy 30 to turn over, i.e. turn over from the position facing one water outlet to the position facing the other water outlet, and simultaneously drive the sealing diaphragm 20 to move (turn over synchronously), i.e. drive the sealing diaphragm 20 to rotate from the position of one water outlet to the position of the other water outlet, one water outlet is opened and the other water outlet is closed.
When the driving member 40 does not heat the shape memory alloy 30 and the temperature decreases, the shape memory alloy 30 returns to the initial position, i.e. turns back to the initial position from the position facing another water outlet, and simultaneously drives the sealing membrane 20 to rotate back to the initial position, i.e. the sealing membrane 20 rotates to the position of one water outlet from the position of another water outlet, and at this time, one water outlet is closed and the other water outlet is opened.
Therefore, according to the multi-waterway pump 100 of the embodiment of the invention, the shape memory alloy 30 is controlled to deform by the driving part 40, the closed membrane 20 is driven to move according to the self deformation of the shape memory alloy 30, so that the waterway is switched, and the random switching of the multi-waterway is realized. The multi-waterway pump 100 has the advantages of compact structure, small volume, low cost and water resource saving.
In some embodiments of the present invention, there are two water outlets, one sealing membrane 20, and the sealing membrane 20 is movably disposed between the two water outlets to seal one of the water outlets when the other water outlet is opened.
As shown in fig. 3, the multi-waterway pump 100 has two water outlets and a sealing membrane 20, the sealing membrane 20 is located between the two water outlets, and the sealing membrane 20 can be switched back and forth between the two water outlets, that is, when one of the water outlets is opened, the other water outlet is sealed, so that the random switching of the two waterways is realized, and the requirement of practical use is met.
Wherein, many water route pump 100 still includes: the water receiving pipe 50 is provided with a water inlet pipe 51, a first water outlet pipe 52 and a second water outlet pipe 53 which are communicated with each other, the water inlet pipe 51 is connected with the pump shell 10 and communicated with the cavity, a first water inlet end and a first water outlet end are defined in the first water outlet pipe 52, a second water inlet end and a second water outlet end are defined in the second water outlet pipe 53, the first water inlet end and the second water inlet end are respectively communicated with the water inlet pipe 51, and the first water outlet end and the second water outlet end are respectively formed into water outlets.
Referring to fig. 1 to 6, the water receiving pipe 50 is mainly composed of a water inlet pipe 51, a first water outlet pipe 52 and a second water outlet pipe 53 which are communicated with each other, wherein a first water inlet end and a first water outlet end are formed in the first water outlet pipe 52, a second water inlet end and a second water outlet end are formed in the second water outlet pipe 53, the water inlet pipe 51 is communicated with the cavity of the pump case 10, the first water inlet end and the second water inlet end are respectively communicated with the water inlet pipe 51, different water outlets are respectively formed in the first water outlet end and the second water outlet end, water enters the cavity from the water inlet 11 on the pump case 10, passes through the water inlet pipe 51 to reach the first water inlet end or the second water inlet end, finally flows out from the first water outlet end through the first water inlet end, and flows out from the second water outlet end.
Optionally, the water receiving pipe 50 is formed in a substantially Y-shape, and the sealing membrane 20 is movably disposed between the first and second water inlet ends to seal one of the first and second water inlet ends when the other of the first and second water inlet ends is opened.
As shown in fig. 2, 5 and 6, the water receiving pipe 50 is substantially Y-shaped, that is, it is composed of a water inlet pipe 51 and two water outlet pipes (a first water outlet pipe 52 and a second water outlet pipe 53), the sealing diaphragm 20 is located between the first water inlet end of the first water outlet pipe 52 and the second water inlet end of the second water outlet pipe 53, when one of the water inlet ends is opened, the other water inlet end is closed, when the first water inlet end of the first water outlet pipe 52 is opened, the second water inlet end of the second water outlet pipe 53 is closed, when the second water inlet end of the second water outlet pipe 53 is opened, the first water inlet end of the first water outlet pipe 52 is closed, and the sealing diaphragm 20 can be randomly switched between the first water inlet end and the second water inlet end, so as to realize switching of different waterways.
In some embodiments of the invention, shape memory alloy 30 is provided at the junction of first outlet pipe 52 and second outlet pipe 53, and closing diaphragm 20 is driven by shape memory alloy 30 and pivots about the axis of shape memory alloy 30.
Specifically, the sealing diaphragm 20 is connected with the shape memory alloy 30, and when the shape memory alloy 30 deforms, the shape memory alloy 30 drives the sealing diaphragm 20 to rotate around the axis of the shape memory alloy 30, i.e., the first water inlet end is opened, the second water inlet end is closed, or the first water inlet end is closed and the second water inlet end is opened, so that the structure is simple, and the switching is convenient.
Alternatively, the end of the first water inlet end is formed as a first sealing plane 521, the end of the second water inlet end is formed as a second sealing plane 531, the radial dimension of the closure diaphragm 20 is greater than the inner diameter dimensions of the first sealing plane 521 and the second sealing plane 531, the closure diaphragm 20 is configured to close the first water inlet end when stopped against the first sealing plane 521 and to close the second water inlet end when stopped against the second sealing plane 531.
Specifically, as shown in fig. 2, the inner diameter sizes of the first and second water inlet ends are smaller than the inner diameter size of the connection portion of the water inlet pipe 51 connected to the first and second water outlet pipes 52 and 53 to form bosses at the ends of the first and second water inlet ends, respectively, the end of the first water inlet end forms an annular first sealing plane 521, the end of the second water inlet end forms an annular second sealing plane 531, and the inner diameter sizes of the first and second sealing planes 521 and 531 are smaller than the inner diameter size of the closed membrane 20, respectively.
When the sealing diaphragm 20 stops against the first sealing plane 521, the first water inlet end is sealed, and the second water inlet end is open, that is, the second water outlet pipe 53 is communicated with the water inlet pipe 51, and water flows out from the second water outlet 532; when the sealing diaphragm 20 stops against the second sealing plane 531, the second water inlet end is sealed, and the first water inlet end is opened, i.e. the first water outlet pipe 52 is connected to the water inlet pipe 51, and water flows out from the first water outlet 522.
Alternatively, the driving member 40 is formed as a driving coil provided outside the water receiving pipe 50, which is connected to the shape memory alloy 30 and controls the shape memory alloy 30 to be deformed when power is applied.
Referring to fig. 8 and 9, the driving member 40 is disposed outside the water receiving pipe 50 and is formed as a driving coil disposed outside the water receiving pipe 50, the driving coil is connected to the shape memory alloy 30, when the driving coil is energized, the shape memory alloy 30 starts to deform under the action of the exciting magnetic force, and further generates a driving force to provide power for reversing the sealing membrane 20, and by disposing the driving coil outside the water receiving pipe 50, the shape memory alloy 30 can be driven by the driving coil to close or open one or more water paths, so that the switching is convenient and the driving is flexible.
Preferably, inlet tube 51, first outlet pipe 52 and second outlet pipe 53 integrated into one piece, by inlet tube 51, the integrated into one piece spare that first outlet pipe 52 and second outlet pipe 53 formed not only can guarantee water receiving pipe 50's structure, the stability of performance, and convenient shaping, it is simple to make, and unnecessary assembly spare and connection process have been saved, the assembly efficiency of many water route pump 100 has been improved greatly, guarantee many water route pump 100's connection reliability, the bulk strength and the stability of structure are higher, it is more convenient to assemble, the life-span is longer.
Optionally, seal diaphragm 20 and be the rubber diaphragm, shape memory alloy 30 is moulded plastics integratively in sealing diaphragm 20, seal diaphragm 20 promptly and adopt rubber processing to form, shape memory alloy 30 is integrated in sealing diaphragm 20 through moulding plastics, moreover, the steam generator is simple in structure, the leakproofness is good, if seal diaphragm 20 ends when propping on first sealed plane 521, first end of intaking is sealed completely, this water route is sealed completely, take place deformation when shape memory alloy 30, be favorable to the drive to seal diaphragm 20 and commutate, and then accomplish the random switch in different water routes.
In addition, the invention can replace the magnetic control shape memory alloy 30 with the thermal drive shape memory alloy 30, compared with the magnetic control shape memory alloy, the thermal load is larger when the single thermal drive shape memory alloy 30 is immersed in water, and the corresponding speed is slow.
The shape memory alloy 30 and the sealing membrane 20 described in the invention control two water outlets, and meanwhile, a group of structures that the shape memory alloy 30 drives the sealing membrane 20 to control a plurality of water outlets can be made, so that the random switching of multiple water paths can be realized.
Specifically, if the three water outlets (the first water outlet, the second water outlet, and the third water outlet) are disposed at the same position, the driving member 40 provides power for the shape memory alloy 30, so that the shape memory alloy 30 deforms, and drives the two closed membranes 20 to move, so that the two closed membranes 20 are randomly switched among the three water outlets.
When the shape memory alloy 30 is deformed continuously, one of the two sealing membranes 20 is driven to open the third water outlet, and the two sealing membranes 20 close the first water outlet and the second water outlet respectively; when the shape memory alloy 30 is restored, the two sealing membranes 20 return to the original positions, and the first water outlet can be opened, and the second water outlet and the third water outlet can be closed.
Further, the third water outlet may also be disposed at the first water outlet pipe 52 or the second water outlet pipe 53, for example, the third water outlet is disposed on the first water outlet pipe 52, and a sealing diaphragm 20 is also disposed at the third water outlet, when the sealing diaphragm 20 opens the first water outlet 522 and closes the second water outlet 532, the sealing diaphragm 20 at the third water outlet cuts off the first water outlet pipe 52, and when the third water outlet is opened, the water flow may flow out through the first water outlet 522 and the third water outlet, and when the sealing diaphragm 20 at the third water outlet closes the third water outlet, the first water outlet pipe 52 is in a circulation state, the water flow may directly flow out from the first water outlet pipe 52 through the first water outlet 522, and when the sealing diaphragm 20 closes the first water outlet and opens the second water outlet 532, the water flow may flow out through the second water outlet pipe 53.
The third water outlet is arranged on the second water outlet pipe 53, when the first water outlet 522 is opened and the second water outlet 532 is closed by the sealing diaphragm 20, the water flow can flow out through the first water outlet pipe 52, when the first water outlet 522 is closed and the second water outlet 532 is opened by the sealing diaphragm 20, the third water outlet is also opened, the second water outlet pipe 53 is cut off, the water flow can flow out through the second water outlet 532 and the third water outlet of the second water outlet pipe 53, and the third water outlet is closed, when the second water outlet pipe 53 circulates, the water flow can directly flow out through the second water outlet pipe 53.
In addition, the outside of water receiving pipe 50 still is provided with assembly screw 60, in the assembling process, is used for with water receiving pipe 50 fixed connection, guarantees the stability and the reliability of structure.
The operation of the multi-circuit pump 100 according to the embodiment of the present invention will be described in detail with reference to the following embodiments.
As shown in fig. 1 to 9, a multi-channel pump 100 according to an embodiment of the present invention includes a pump housing 10, a sealing diaphragm 20, a shape memory alloy 30, a driving member 40, and a water receiving pipe 50, wherein the water receiving pipe 50 is composed of a water inlet pipe 51, a first water outlet pipe 52, and a second water outlet pipe 53.
Specifically, a cavity is defined in the pump case 10, a water inlet 11 and two water outlets are arranged on the pump case 10, the water receiving pipe 50 is connected with the pump case 10, the water receiving pipe 50 comprises a water inlet pipe 51 and a first water outlet pipe 52 and a second water outlet pipe 53 which are communicated with the water inlet pipe 51, the water inlet pipe 51 is communicated with the cavity of the pump case 10, the first water outlet pipe 52 is provided with a first water inlet end and a first water outlet 522, the second water outlet pipe 53 is provided with a second water inlet end and a second water outlet 532, the water inlet pipe 51 is communicated with the first water inlet end of the first water outlet pipe 52 and the second water inlet end of the second,
further, a sealing membrane 20 is arranged between the first water inlet end and the second water inlet end, the sealing membrane 20 can be movably switched between the first water inlet end and the second water inlet end, the shape memory alloy 30 is integrated in the sealing membrane 20 in an injection molding mode, the driving piece 40 is formed into a driving coil arranged outside the water receiving pipe 50, and the shape memory alloy 30 is connected with the driving piece 40.
It should be noted that the multi-waterway pump 100 of the present invention utilizes the basic principle that flexible materials (such as rubber) realize closed waterways under the action of water pressure, and uses the magnetic control shape memory alloy 30 as a driving force source to realize the switching of different waterways, and the water outlet of the pump shell 10 with a special structure has the function of multi-waterway output, and the pump is mainly used in the field of household dish washing machines.
Taking two water paths as an example for explanation, the initial state is that the first water inlet end is opened, the second water inlet end is closed, the shape memory alloy 30 presses the closed membrane 20 to cling to the second water inlet end by self elasticity, water enters the cavity from the water inlet 11 of the pump case 10, and clings to a second sealing plane 531 formed by the second water inlet end under the dual actions of the shape memory alloy 30 and water pressure through the action of a motor and an impeller (not shown), so as to close the second water inlet end, and the water flows out from the first water outlet 522 through the first water outlet pipe 52.
When the waterway needs to be switched, firstly, the water pump stops working, then the driving coil is electrified, the shape memory alloy 30 starts to deform under the action of excitation magnetic force, the closed diaphragm 20 is driven to rotate around the axis of the shape memory alloy 30 for reversing, the position of the second sealing plane 531 of the second water inlet end of the closed diaphragm 20 is switched to the first sealing plane 521 of the first water inlet end, at the moment, the second water inlet end is opened, the first water inlet end is closed, the shape memory alloy 30 presses the closed diaphragm 20 to be tightly attached to the first water inlet end by the elasticity of the shape memory alloy 30, then the water pump starts to work, the closed diaphragm 20 closes the first water inlet end under the action of the pressure of the shape memory alloy 30 and water, and water flows out from the second water outlet 532 of the second water outlet pipe 53, so that the switching of two waterways is.
From this, take place deformation through driving piece 40 control shape memory alloy 30, according to shape memory alloy 30's self deformation drive closed diaphragm 20 activity, can switch the water route, realize the random switch-over in many water routes, compare with traditional water route diverter valve, this many water routes pump 100 combines pump and diverter valve together, the drain pump promptly, overall structure is simple, compact, reduced the material consumption, production cost is reduced, occupation space has been saved, the waste of water resource has been reduced. The multi-waterway pump 100 has the advantages of compact structure, small volume, low cost and water resource saving.
The dishwasher (not shown) according to the second aspect of the present invention includes the multi-waterway pump 100 according to the above-described embodiment, and since the multi-waterway pump 100 according to the above-described embodiment of the present invention has the above-described technical effects, the dishwasher according to the embodiment of the present invention also has the corresponding technical effects, i.e., the dishwasher has a simple and compact structure, a small volume, a low cost, and water resource saving.
Other constructions and operations of the multi-circuit pump 100 and the dishwasher having the same according to the embodiment of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (10)
1. A multi-circuit pump, comprising:
a pump housing defining a chamber therein, the pump housing having a water inlet and at least two water outlets in communication with the chamber;
the closed membrane can be movably switched between the two water outlets so as to close one of the water outlets when the other water outlet is opened;
the shape memory alloy is connected with the closed membrane so as to drive the closed membrane to move according to the deformation of the shape memory alloy;
the driving piece is matched with the shape memory alloy to control the shape memory alloy to deform.
2. The multiple water route pump of claim 1, wherein there are two of said water outlets and one of said closure membranes, said closure membrane being movably disposed between said two water outlets to close one of said water outlets when the other of said water outlets is opened.
3. The multiple water pump of claim 2, further comprising: the water receiving pipe is provided with a water inlet pipe, a first water outlet pipe and a second water outlet pipe which are mutually communicated, the water inlet pipe is connected with the pump shell and is communicated with the cavity, a first water inlet end and a first water outlet end are limited in the first water outlet pipe, a second water inlet end and a second water outlet end are limited in the second water outlet pipe, the first water inlet end and the second water inlet end are respectively communicated with the water inlet pipe, and the first water outlet end and the second water outlet end are respectively formed into the water outlet.
4. The multiple waterway pump of claim 3, wherein the drip receptacle is generally Y-shaped, and the closure diaphragm is movably disposed between the first and second inlet ends to close one of the first and second inlet ends when the other of the first and second inlet ends is opened.
5. The multiple water pump of claim 4, wherein said shape memory alloy is provided at the junction of said first outlet tube and said second outlet tube, said closure diaphragm being driven by said shape memory alloy and pivoting about the axis of said shape memory alloy.
6. The multiple water circuit pump of any one of claims 3-5, wherein an end of the first water inlet end is formed as a first sealing plane and an end of the second water inlet end is formed as a second sealing plane, a radial dimension of the closure diaphragm is greater than an inner diameter dimension of the first and second sealing planes, the closure diaphragm is configured to close the first water inlet end when stopped against the first sealing plane and to close the second water inlet end when stopped against the second sealing plane.
7. The multiple water pump of claim 3, wherein the drive member is formed as a drive coil disposed outside the water receiving conduit, the drive coil being connected to the shape memory alloy and controlling deformation of the shape memory alloy when energized.
8. The multiple water route pump of claim 3, wherein the water inlet pipe, the first water outlet pipe and the second water outlet pipe are integrally formed.
9. The multiple water pump of claim 1, wherein said closure diaphragm is a rubber diaphragm and said shape memory alloy is injection molded integral within said closure diaphragm.
10. A dishwasher, comprising a multiple water circuit pump according to any one of claims 1 to 9.
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| CN201610919740.4A CN107970010B (en) | 2016-10-21 | 2016-10-21 | Multi-waterway pump and dish washing machine with same |
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| CN201610919740.4A CN107970010B (en) | 2016-10-21 | 2016-10-21 | Multi-waterway pump and dish washing machine with same |
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| CN107970010B true CN107970010B (en) | 2020-04-07 |
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| CN108980060A (en) * | 2018-07-03 | 2018-12-11 | 浙江融乐环境科技有限公司 | A kind of guide vane of water pump water outlet guide frame |
| CN110285068B (en) * | 2019-06-28 | 2020-12-22 | 威乐新能源科技有限公司 | Water pump |
| CN110901336A (en) * | 2019-11-11 | 2020-03-24 | 艾福迈汽车系统(上海)有限公司 | Vehicle-mounted air conditioner breeze system based on memory alloy control valve air pump and control method |
| FR3117565B1 (en) * | 2020-12-11 | 2023-02-17 | Denis Traby | PASSIVE LIQUID DISCRIMINATION DEVICES AND SYSTEMS ACCORDING TO TEMPERATURE |
| CN112890713B (en) * | 2021-01-18 | 2023-03-03 | 佛山市百斯特电器科技有限公司 | Control method of washing pump and washing equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777672A (en) * | 2011-05-13 | 2012-11-14 | 现代自动车株式会社 | Valve for vehicle |
| CN106906618A (en) * | 2015-12-22 | 2017-06-30 | 无锡小天鹅股份有限公司 | Washing machine |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777672A (en) * | 2011-05-13 | 2012-11-14 | 现代自动车株式会社 | Valve for vehicle |
| CN106906618A (en) * | 2015-12-22 | 2017-06-30 | 无锡小天鹅股份有限公司 | Washing machine |
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Effective date of registration: 20180625 Address after: 241002 1 production plant No. 103 Huajin South Road, Yijiang high tech Industrial Development Zone, Wuhu, Anhui Applicant after: Three flower yaweike electric appliance (Wuhu) Co., Ltd. Address before: 310018 No. 12 street, Hangzhou economic and Technological Development Zone, Hangzhou, Zhejiang 289-3 Applicant before: HANGZHOU SANHUAJIA ELECTROTHERMAL MANAGEMENT SYSTEM CO., LTD. |
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