CN110759429B - Softening device of dish washing machine, control method and dish washing machine - Google Patents

Softening device of dish washing machine, control method and dish washing machine Download PDF

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Publication number
CN110759429B
CN110759429B CN201810744535.8A CN201810744535A CN110759429B CN 110759429 B CN110759429 B CN 110759429B CN 201810744535 A CN201810744535 A CN 201810744535A CN 110759429 B CN110759429 B CN 110759429B
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cavity
water
water storage
resin
chamber
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CN110759429A (en
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宋华诚
杨林
陈玉玲
唐文彬
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Qingdao Haier Dishwasher Co Ltd
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Qingdao Haier Dishwasher Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • 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
    • 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
    • A47L15/4229—Water softening arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J47/00—Ion-exchange processes in general; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J49/00—Regeneration or reactivation of ion-exchangers; Apparatus therefor
    • B01J49/60—Cleaning or rinsing ion-exchange beds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • C02F2001/425—Treatment of water, waste water, or sewage by ion-exchange using cation exchangers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Washing And Drying Of Tableware (AREA)

Abstract

The invention discloses a softening device of a dish-washing machine, a control method and the dish-washing machine, wherein the softening device comprises a water inlet pipeline, a saline water cavity and a resin cavity, the resin cavity is communicated with the water inlet pipeline, and the saline water cavity is communicated with the resin cavity; the water storage cavity is communicated with the resin cavity, and the liquid outlet of the water storage cavity is communicated with the saline water cavity and/or the interior of the dish washing machine; the medium stored in the water storage cavity absorbs the heat in the interior of the dishwasher or the surrounding environment for storing energy. The softening device is additionally provided with the additional water storage cavity, softened water is stored in the water storage cavity, the pressure is stable, the softened water enters the saline water cavity, and the saline water enters the resin cavity for resin regeneration, so that the required rated saline water can be saved, and the resin regeneration effect is improved; meanwhile, the water storage cavity can also absorb heat to store energy, so that resources are saved, and energy consumption is reduced; in addition, the brine cavity and the resin cavity are arranged in an equal split mode, so that the installation position is more flexible, the space is saved, and a user can add supplementary salt conveniently.

Description

Softening device of dish washing machine, control method and dish washing machine
Technical Field
The invention belongs to the field of dish washing machines, and particularly relates to a softening device of a dish washing machine, a control method and the dish washing machine.
Background
At present, water used by the dish washing machine directly adopts tap water, the tap water contains a large amount of calcium and magnesium ions, namely 'hard water', and the calcium and magnesium ions are adsorbed in a water pipe or a containing cavity of the dish washing machine to form precipitates along with the lapse of the service time of the dish washing machine, so that the service performance of the dish washing machine is influenced. Therefore, people install a softening device in the dishwasher, i.e. the resin adsorbs calcium and magnesium ions in water by cations in the resin, and after the resin is used for a period of time, the resin needs to be regenerated, i.e. the resin is taken out from the dishwasher and exchanges the calcium and magnesium ions in the resin with the cations.
Softening installation mainly contains salt water chamber and resin chamber, and the two integration of traditional softening installation are just installed in the dishwasher bottom more. The position relation of the saline water cavity and the resin cavity comprises two positions, wherein one position is at the left position and the other position is at the upper position and the lower position (the upper position of the saline water cavity and the lower position of the resin cavity). The working modes of the two softening devices are respectively as follows:
for the softening device at the upper position and the lower position, when regeneration is needed, the electromagnetic valve of the brine cavity is opened, saturated brine automatically flows downwards into the resin cavity under the action of gravity to be regenerated, and after the brine with set volume passes, the electromagnetic valve is closed.
And for the two cavities which are distributed left and right, the working mode between the saline cavity and the resin cavity is as follows: when regeneration is needed, the electromagnetic valve on the salt water cavity is opened, saturated salt water flows into the resin cavity along the set water path, the water inlet electromagnetic valve on the upper portion of the salt water cavity is opened at the moment, water is injected between the water inlet pipelines, and therefore water in the salt cavity is squeezed into the resin cavity. When the saturated saline capacity entering the resin cavity is enough, the electromagnetic valve of the saline cavity and the electromagnetic valve on the water inlet waterway are closed. Pressure is established by upper water injection to force saturated brine in the brine chamber into the resin chamber. In order to prevent the incoming tap water from mixing into the salt water cavity to reduce the salt water concentration, the newly-entered water is mostly in the designed water inlet pipeline, and a small amount of water is controlled to enter the salt cavity as much as possible.
However, the softening device with the integrated salt water cavity and resin cavity occupies a large space in the dishwasher and has a limited installation mode, and the addition of salt into the salt water cavity is inconvenient.
The present invention has been made in view of this point.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a softening device of a dish washing machine, a control method and the dish washing machine. The softening device is additionally provided with the additional water storage cavity, softened water is stored in the water storage cavity, the pressure is stable, the softened water enters the saline water cavity, and the saline water enters the resin cavity for resin regeneration, so that the required rated saline water can be saved, and the resin regeneration effect is improved; meanwhile, the water storage cavity can absorb heat to store energy, so that resources are saved, and energy consumption is reduced; in addition, the brine cavity and the resin cavity are arranged in an equal split mode, so that the installation position is more flexible, the space is saved, and a user can add supplementary salt conveniently.
In order to solve the technical problems, the invention adopts the technical scheme that:
the first purpose of the invention is to provide a softening device of a dish washing machine, which comprises a water inlet pipeline, a saline water cavity and a resin cavity, wherein the resin cavity is communicated with the water inlet pipeline, and the saline water cavity is communicated with the resin cavity; the water storage cavity is communicated with the resin cavity, and the liquid outlet of the water storage cavity is communicated with the saline water cavity and/or the interior of the dish washing machine; the medium stored in the water storage cavity absorbs the heat in the interior of the dishwasher or in the surrounding environment for storing energy.
The dishwasher further comprises a breather, wherein a cavity is formed in the breather and is communicated with the interior of the dishwasher; the water storage cavity is communicated with the cavity of the respirator; the steam in the dishwasher enters the water storage cavity through the cavity, the medium in the water storage cavity absorbs the heat of the cavity and/or the steam entering the water storage cavity, and the steam is condensed in the cavity and/or the water storage cavity.
In a further scheme, the water storage cavity and the respirator are integrally arranged, and the side wall of at least one side of the cavity of the respirator is tightly attached to or integrally formed with the side wall of the water storage cavity;
preferably, the inside of the water storage cavity is divided into a storage cavity for storing the medium and a mounting cavity for placing a respirator, the respirator is positioned in the mounting cavity, and the side wall of the cavity of the respirator is tightly attached to or integrally formed with the side wall of the storage cavity;
more preferably, the storage cavity surrounds and encloses the mounting cavity, and the peripheral side walls of the cavity of the respirator are tightly attached to or integrally formed with the side walls of the storage cavity.
In a further scheme, the water storage cavity is arranged close to an inner container of the dish washing machine, and media stored in the water storage cavity absorb heat in the environment through each side wall of the water storage cavity to store energy;
preferably, the volume of the water storage cavity is larger than that of the resin cavity and the saline cavity;
preferably, the bottom wall of the water storage cavity is horizontally arranged.
In a further scheme, a liquid inlet is formed in the upper part of the water storage cavity and is communicated with a water outlet of the resin cavity, a first liquid outlet is formed in the lower part of the water storage cavity, a pipeline is arranged at the first liquid outlet, a first reversing control valve is arranged on the pipeline and comprises at least two water outlet ends, and the two water outlet ends are respectively communicated with an inlet of the brine cavity and the inside of the dish washing machine through pipelines;
preferably, a flow detection element is further arranged on a pipeline between the first liquid outlet and the first reversing control valve.
In a further scheme, a first liquid outlet and a second liquid outlet are formed in the water storage cavity, and the first liquid outlet is communicated with an inlet of the brine cavity through a pipeline; the second liquid outlet is communicated with the inside of the dish-washing machine through a pipeline;
preferably, a first liquid outlet of the water storage cavity is communicated with an inlet of the brine cavity through a first pipeline, a first control valve is arranged on the first pipeline, the first control valve is opened to conduct the first pipeline, water in the water storage cavity enters the brine cavity, and brine enters the resin cavity to carry out resin regeneration;
preferably, a second control valve is arranged on a pipeline of the second liquid outlet communicated with the inside of the dish washing machine.
In a further scheme, the respirator and the water storage cavity are integrally arranged, and the resin cavity and the saline water cavity are separately arranged;
preferably, the softening device comprises a shell, the water storage cavity and the respirator are integrally arranged in the shell, and the saline water cavity is arranged outside the shell;
preferably, the water storage cavity, the resin cavity and the respirator are all integrally arranged in the shell, and the saline water cavity is arranged outside the shell.
The second purpose of the invention is to provide a control method of a softening device of a dish-washing machine, wherein water in a water inlet waterway enters a resin cavity, softened water softened by the resin cavity enters a water storage cavity for storage, and heat in the interior or the environment of the dish-washing machine is absorbed for energy storage;
when the dish washer needs to soften the washing water, the softened water in the water storage cavity directly enters the interior of the dish washer;
when the resin is regenerated, softened water in the water storage cavity enters the saline cavity to push the saline water in the saline cavity to enter the resin cavity for resin regeneration.
In a further scheme, softened water stored in the water storage cavity absorbs heat of steam inside the dishwasher through a respirator or absorbs heat from the surrounding environment through the wall of the water storage cavity;
when the dish washing machine needs to soften washing water, the first reversing control valve controls the water storage cavity to be communicated with the interior of the dish washing machine, and softened water stored in the water storage cavity enters the interior of the dish washing machine;
when resin is regenerated, the first reversing control valve controls the water storage cavity to be communicated with the saline water cavity, softened water stored in the water storage cavity enters the saline water cavity, and the saline water in the water storage cavity is pushed to enter the resin cavity to regenerate the resin.
The invention also provides a dish-washing machine with the softening device, wherein the softening device is arranged on the dish-washing machine and comprises a water inlet pipeline, a saline water cavity and a resin cavity, the resin cavity is communicated with the water inlet pipeline, and the saline water cavity is communicated with the resin cavity; the water storage cavity is communicated with the resin cavity, and the liquid outlet of the water storage cavity is communicated with the saline water cavity and/or the interior of the dish washing machine; the medium stored in the water storage cavity absorbs the heat in the dishwasher or the ambient environment for storing energy;
preferably, the resin cavity and the saline water cavity are arranged in a split mode.
After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. the softening device is additionally provided with the additional water storage cavity, water in the water inlet pipeline enters the resin cavity, softened water enters the water storage cavity and is quantitatively stored, when resin regeneration is needed, the softened water stored in the water storage cavity enters the brine cavity, salt in the softened water is dissolved to form brine or dilute brine, and the brine enters the resin cavity to carry out resin regeneration. Softened water pressure in the water storage chamber is stable, and the water storage chamber can play the effect of buffering, when consequently can avoiding water intake pipe lug connection salt water cavity, because the pressure of running water is big, the water intake is fast and strike the salt water cavity, causes required rated salt water yield great, causes the waste of salification.
2. The water storage cavity of the invention can absorb the heat inside the dish washing machine and the heat in the surrounding environment, not only can condense the steam inside the dish washing machine and reduce the influence of the dish washing machine on the heat of the surrounding environment, but also can store energy, reduce the energy consumption when the washing needs to be heated and reduce the energy consumption cost.
3. The water storage cavity and the resin cavity are arranged in an integrated manner, and the brine cavity, the water storage cavity and the resin cavity are arranged in a split manner, so that the installation position is more flexible, the space is saved, and the user can add supplementary salt conveniently. The preferred scheme is to integrate the setting with water storage chamber and resin chamber, respirator, can further reduce occupation space in, increase the flexibility of installation.
4. The softened water in the water storage cavity in the softening device is quantitatively set, and after the water storage cavity is filled with the softened water, the overflowed softened water can flow into the dishwasher through the ventilation hole of the respirator, so that the quantitative water pressure is stable, the softened water can enter the saline water cavity under the self gravity to form saline water, the saline water enters the resin cavity for regeneration, the required rated saline water can be saved, and the resin regeneration effect is improved. The steam in the dishwasher can be condensed in the respirator or in the water storage cavity, thereby reducing the influence on the environment.
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 illustrating a structure of a water softening device for softening washing water according to the present invention;
FIG. 2 is a schematic view showing a structure of the water softening apparatus according to the present invention when resin regeneration is performed;
fig. 3 is a schematic structural view illustrating a process in which water in a water storage chamber of the water softening device of the present invention enters a dishwasher through a ventilation hole.
In the figure: 1 casing, 2 water storage chamber, 3 resin chamber, 4 respirators, 41 cavity, 42 anti-siphon structure, 43 bleeder vents, 5 water inlet pipe, 6 salt water chamber, 7 first switching-over control valve, 9 solenoid valve, 10 flowmeter, 11 circulating pump, 12 drain pump, 13 spoiler, 14 first pipeline, 15 outlet pipe, 16 second pipeline, 17 second switching-over control valve
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.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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 construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Example one
As shown in fig. 1 to 3, the present embodiment provides a softening device of a dishwasher, comprising a water inlet pipe 5, a brine chamber 6 and a resin chamber 3, wherein the resin chamber 3 is communicated with the water inlet pipe 5, and the brine chamber 6 is communicated with the resin chamber 3; the dishwasher also comprises a water storage cavity 2, wherein a liquid inlet of the water storage cavity 2 is communicated with the resin cavity 3, and a liquid outlet of the water storage cavity 2 is communicated with the saline water cavity 6 and/or the inside of the dishwasher; the medium stored in the water storage cavity 2 absorbs the heat in the interior of the dishwasher or in the surrounding environment for storing energy.
The softening device of the dishwasher is used for softening washing water and is provided with at least a resin chamber 3 and a brine chamber 6. When the softening device works, tap water directly enters the resin cavity 3 and enters the inside of the dish washing machine after being softened by the resin cavity 3. When resin regeneration is needed, tap water directly enters the brine cavity 6 to dissolve or dilute salt to form brine, and the brine enters the resin cavity 3 to regenerate the resin. Because the tap water has high pressure and high flow rate, the rated saline water is diluted by impact, and the amount of the rated saline water required by resin regeneration is large, thereby causing waste. In addition, the softening device is generally integrated, so that the installation mode is limited, and the occupied space is large.
The softening device of this embodiment has added extra water storage chamber 2, and water storage chamber 2 receives the demineralized water after resin chamber 3 handles and stores. Then the softened water in the water storage cavity 2 enters the brine cavity 6 to dissolve the salt therein to form brine, or dilute the brine, and the brine enters the resin cavity 3 to carry out resin regeneration. So, store a certain amount of demineralized water in the water storage chamber 2, when entering into salt solution chamber 6, pressure is less and steady, the velocity of water flow is also less, the impact that causes when entering into salt solution chamber 6 is very little, promotion salt solution that can be steady gets into and regenerates in the resin chamber 3, save rated salt solution quantity, thereby when can avoiding intake pipe 5 lug connection salt solution chamber 6, because the pressure of running water is big, the water intake speed is fast and assault salt solution chamber 6, cause the great phenomenon of required rated salt solution quantity.
While receiving the softened water for temporary storage, the softened water in the water storage chamber 2 of the embodiment can also absorb heat from the inside of the dishwasher or the surrounding environment for energy storage. For example, when the washing machine is in a standing state, the water in the water storage cavity 2 can absorb heat in the surrounding environment, and the water temperature can be increased from 15 ℃ to 23 ℃ at room temperature, so that the power consumption for heating during washing is reduced, and the energy consumption is reduced. When washing, the softened water in the water storage cavity 2 can absorb the heat of the steam in the dishwasher, and the steam can be condensed and absorbed by the softened water in the water storage cavity 2, so that the influence of the dishwasher on the surrounding environment is reduced.
In addition, softened water enters the brine cavity 6 to form brine, and the brine enters the resin cavity 3 again to be regenerated, so that the influence of other ions and impurities of the brine in the resin regeneration process can be reduced, and the resin regeneration effect is improved.
Simultaneously, this embodiment sets up salt water chamber 6 and water storage chamber 2, the 3 components of a whole that can function independently in resin chamber for the mounted position is more nimble, and more saves space, and the user of being convenient for adds the replenishment salt.
The water storage cavity 2 can be an independent piece, and the water storage cavity 2 is formed inside the water storage cavity; it can also be integrated with other structures in the water softening device, such as the respirator 4, etc. The water storage cavity 2 can be made of plastic or other materials.
Further, the dishwasher also comprises a breather 4, wherein a cavity 41 is arranged in the breather 4, and the cavity 41 is communicated with the interior of the dishwasher; the water storage cavity 2 is communicated with a cavity 41 of the respirator 4; the steam inside the dishwasher enters the water storage chamber 2 through the cavity 41, and the medium in the water storage chamber 2 absorbs the heat of the cavity 41 and/or the steam entering the water storage chamber, and the steam is condensed in the cavity 41 and/or the water storage chamber 2.
The respirator 4 is used for preventing the phenomenon that a negative pressure chamber is generated in the dish washer and the washing liquid in the negative pressure chamber flows back to tap water. In this scheme, water storage chamber 2 and the integrated setting of respirator 4 both can reduce occupation space, and cavity 41 that again can make full use of respirator 4 can improve on current structure, reduces improvement cost, the current structure of make full use of. The water storage cavity 2 is communicated with the cavity 41 of the respirator 4, and water in the water storage cavity 2 can enter the cavity 41 of the respirator 4 after overflowing, thereby achieving the effect of quantifying the water in the water storage cavity 2.
The upper part of the water storage cavity 2 is communicated with a cavity 41 of the respirator 4, the cavity 41 is provided with an air hole 43 communicated with the inside of the dish washing machine, softened water which is quantitatively overflowed in the water storage cavity 2 enters the cavity 41 and enters the inside of the dish washing machine through the air hole 43, and a drainage pipeline does not need to be additionally arranged.
The water storage cavity 2 is communicated with the respirator 4, firstly, when the water in the water storage cavity 2 overflows, redundant softened water can be drained through the cavity 41 of the respirator 4, and the purpose of quantitative storage is realized; secondly, after steam in the dish washer enters the breather 4, the steam can enter the water storage cavity 2 to be condensed, or the steam can exchange heat with softened water in the water storage cavity 2 through the side wall in the breather 4, so that the purpose of steam condensation is achieved, and the influence of the dish washer on the surrounding environment is reduced.
In a further scheme, the side wall of the cavity 41 of the respirator 4 is provided with the spoilers 13, and the spoilers 13 protrude inwards relative to the side wall of the cavity 41 and are arranged in a staggered manner, so that the condensation effect can be enhanced. The steam inside the dishwasher is condensed and flows back under the action of the multi-layer flow blocking plate 13.
In this scheme, the water storage chamber 2 can have the multiple with respirator 4's the mode of setting up: the water storage cavity 2 can be communicated with the cavity 41 of the respirator 4 through a pipeline; the water storage cavity 2 and the respirator 4 can also be integrally arranged and directly communicated; or the respirator 4 and the water storage cavity 2 are integrally formed; above scheme homoenergetic utilizes water storage chamber 2 to carry out the steam condensation.
In order to more fully utilize the water storage cavity 2 to absorb the heat inside the dishwasher for energy storage and simultaneously condense the steam, as a preferred specific embodiment, the water storage cavity 2 and the breather 4 are integrally arranged, and the side wall of at least one side of the cavity 41 of the breather 4 is tightly attached to or integrally formed with the side wall of the water storage cavity 2.
In the scheme, the water storage cavity 2 and the respirator 4 can be independent parts respectively, the two parts are communicated with each other and are placed close to each other, and the side walls of at least one side are tightly attached together, so that steam entering the cavity 41 in the respirator 4 can exchange heat with softened water in the water storage cavity 2 through the tightly attached side walls and is condensed and reflowed; when the steam is more, the steam can enter the water storage cavity 2 through the cavity 41 and is directly condensed by softened water, and the softened water absorbs heat at the same time. So, the water storage chamber 2 absorbs the inside heat effectual of dish washer, reduces the influence to the environment.
In a preferred scheme, the inside of the water storage cavity 2 is divided into a storage cavity for storing media and a mounting cavity for placing the respirator 4, the respirator 4 is positioned in the mounting cavity, and the side wall of the cavity 41 is tightly attached to or integrally formed with the side wall of the storage cavity.
The storage cavity separated in the water storage cavity 2 stores softened water, and the mounting cavity is used for placing the respirator 4 or the mounting cavity directly forms the respirator 4. The storage chamber and the mounting chamber may share a side wall on one side, or both side walls, or all side walls. The more the both shared side walls, the more the contact area of the steam in the cavity 41 of the respirator 4 and the softened water in the storage cavity can exchange heat, the better the achieved condensation effect is, the more heat absorbed by the water in the water storage cavity 2 is stored, and the influence on the environment is reduced.
More preferably, the storage chamber surrounds and encloses the mounting chamber, and the peripheral side walls of the cavity 41 of the respirator 4 are all tightly attached to or integrally formed with the side walls of the storage chamber.
In this scheme, the storage chamber can the annular setting, and the installation cavity is enclosed at annular middle part, and cavity 41 of respirator 4's lateral wall all around all hugs closely or integrated into one piece with the lateral wall in storage chamber, increases the heat transfer area of the steam in 4 cavities 41 of respirator and the demineralized water in the storage chamber, reaches the inside thermal effect of better absorption dish washer.
Preferably, the softening device further comprises an anti-siphon structure 42, and the water inlet pipeline 5 is communicated with the anti-siphon structure 42; the anti-siphon structure 42 may be provided separately or may be provided integrally with the respirator 4. The anti-siphon structure 42 at least comprises a water inlet, a water outlet and an anti-siphon through hole communicated with the outside for maintaining pressure. The water flow of the water inlet pipeline 5 enters the anti-siphon structure 42, enters from the water inlet, is discharged from the water outlet and then enters the resin cavity 3, so that the backflow phenomenon is avoided.
In order to better absorb the heat in the surrounding environment, in a further scheme, the water storage cavity 2 is arranged close to the inner container of the dishwasher, and the medium stored in the water storage cavity 2 absorbs the heat in the environment through each side wall of the water storage cavity 2 to store energy.
In this scheme, water storage chamber 2 includes lateral wall all around, upper wall and diapire, encloses into confined cavity 41 jointly. The upper wall can be provided with a liquid inlet, and the bottom wall can be provided with a liquid outlet. The peripheral side wall, the upper wall and the bottom wall can be integrally formed and can also be fixedly connected together in a sealing and melting way.
The water storage cavity 2 can be set as a large water tank, preferably, the volume of the water storage cavity 2, which is larger than the resin cavity 3 and the saline water cavity 6, so that the surface area of the water storage cavity 2 is increased, the heat exchange area is increased, and the water in the water storage cavity 2 can be favorably stored with energy by rapidly absorbing heat from the surrounding environment through the side wall. The water storage cavity 2 is arranged close to the inner container of the dish washing machine, so that heat in the surrounding environment can be dissipated by the inner container of the dish washing machine in a better absorption mode, energy storage is carried out, influences are reduced, and energy consumption is reduced.
Preferably, the water storage cavity 2 is a large water tank, the area of the upper part of the water storage cavity is the same as that of the lower part of the water storage cavity, and the bottom wall of the water storage cavity 2 is horizontally arranged, so that the contact area between the bottom wall and the surrounding environment is increased.
Further scheme sets up the heat-sink shell on the periphery wall of water storage chamber 2, can absorb the heat in the surrounding environment and transmit the demineralized water in the water storage chamber 2 and carry out the energy storage. The heat sink layer may be a coating, a thin film layer, or the like.
In this embodiment, the softened water stored in the water storage cavity 2 may enter the brine cavity 6, or may directly enter the inside of the dishwasher, and the connection mode between the water storage cavity 2 and the brine cavity 6 and the inside of the dishwasher includes, but is not limited to, the following schemes:
the first scheme is as follows:
the upper portion in water storage chamber 2 has the inlet, the inlet be linked together with the delivery port in resin chamber 3, the lower part in water storage chamber 2 is provided with first liquid outlet, first liquid outlet department is provided with the pipeline, is provided with first switching-over control valve 7 on this pipeline, first switching-over control valve 7 includes two at least play water ends, two play water ends be linked together through the inside of pipeline and the import in salt solution chamber 6 and dish washer respectively.
According to the scheme, under different conditions, the flow direction of softened water flowing out of the water storage cavity 2 can be controlled by adjusting the first reversing control valve 7, softened washing water can be supplied to the dishwasher for circulating spraying, the softened washing water can enter the saline water cavity 6 to form saline water or diluted saline water, and a rated amount of saline water enters the resin cavity 3 for regeneration.
In this scheme, first switching-over control valve 7 can be the three-way valve, and the end of intaking of three-way valve communicates with the liquid outlet in water storage chamber 2, and the play water end of three-way valve, one communicates through the import of pipeline with salt solution chamber 6, and one is linked together through the inner bag of pipeline with dish washer. So, through controlling this three-way valve, alright with control rivers trend, make the demineralized water of storage in the water storage chamber 2 directly get into inside the dish washer, perhaps when needs carry out resin regeneration, the rivers of demineralized water steadily get into salt water chamber 6, promote salt water and get into resin chamber 3 in, reduce the quantity of rated salt water.
Preferably, a flow detection element is further arranged on a pipeline between the first liquid outlet and the first reversing control valve 7.
Scheme II:
a first liquid outlet and a second liquid outlet are arranged on the water storage cavity 2, and the first liquid outlet is communicated with an inlet of the brine cavity 6 through a pipeline; the second liquid outlet is communicated with the inside of the dish washing machine through a pipeline.
Preferably, a first liquid outlet of the water storage cavity 2 is communicated with an inlet of the brine cavity 6 through a first pipeline 14, a first control valve is arranged on the first pipeline 14, the first control valve is opened to conduct the first pipeline 14, water in the water storage cavity 2 enters the brine cavity 6, and brine enters the resin cavity 3 to carry out resin regeneration;
preferably, a second control valve is provided on the second pipe 16, which communicates the second liquid outlet with the interior of the dishwasher. In the scheme, the trend of softened water flowing out of the water storage cavity 2 is controlled through different branches and control valves, the two branches do not influence each other, and the safety is good.
As another embodiment, in this embodiment, the water in the water inlet pipe 5 directly enters the resin chamber 3 for softening, the softened water may only enter the water storage chamber 2, and the softened water in the water storage chamber 2 is stored to a certain amount and then enters the inside of the dishwasher, or enters the brine chamber 6. Or the softened water in the resin cavity 3 can also enter the water storage cavity 2 and the inside of the dish-washing machine respectively, so that the softened washing water can be supplied to circularly spray the dish-washing machine, and can enter the water storage cavity 2 for temporary storage to wait for entering the brine cavity 6 for resin regeneration. Specific schemes can be, but are not limited to, the following:
scheme 1, the delivery port department in resin chamber 3 is provided with outlet pipe way 15, outlet pipe way 15 be linked together with the inside in water storage chamber 2 and dish washer respectively. The scheme can supply softened washing water for the dish washing machine to perform circulating spraying, and can enter the water storage cavity 2 for temporary storage to wait for entering the brine cavity 6 for resin regeneration.
In the scheme, as an implementation mode, the water outlet pipeline 15 is provided with a second reversing control valve 17, the second reversing control valve 17 comprises at least two water outlet ends, and the two water outlet ends are respectively communicated with the liquid inlet of the water storage cavity 2 and the inside of the dishwasher through pipelines.
In this scheme, second switching-over control valve 17 can be the three-way valve, and the end of intaking of three-way valve communicates with the delivery port in resin chamber 3, and the play water end of three-way valve, one communicates with the inlet in water storage chamber 2 through the pipeline, and one is linked together through the inner bag of pipeline and dish washer. So, through controlling this three-way valve, alright in order to control rivers trend, the demineralized water after softening in resin chamber 3 directly gets into inside the dish washer, perhaps gets into and temporarily stores in water storage chamber 2. When resin regeneration is needed, the control valve on the first pipeline 14 is opened, the water flow of softened water smoothly enters the brine cavity 6, and brine is pushed to enter the resin cavity 3, so that the use amount of rated brine is reduced.
Scheme 2, outlet pipe 15 is linked together through the inlet of two branch road pipelines and the inside of dish washer respectively with water storage chamber 2, is provided with the control valve on two branch road pipelines respectively, the switching on of corresponding branch road pipeline of control. Therefore, the control is flexible and convenient and is easy to realize.
The water inlet pipeline 5 is a main pipeline communicated with water sources such as a water tap, the water inlet pipeline 5 is provided with an electromagnetic valve 9 and a flowmeter 10, the electromagnetic valve 9 is used for controlling the on-off of the water inlet pipeline 5, and the flowmeter 10 meters the water flow of the water inlet pipeline 5. After water in the water inlet pipeline 5 enters the resin cavity 3, softened water flows out from the water outlet pipeline 15, and the two branches are respectively provided with a control valve so as to control the flow direction of the softened water. The two branches of the scheme are independent, the safety is good, and when the control valve breaks down, the pipeline of the other branch can work normally.
In this embodiment, in order to make salt water enter resin cavity 3, the structure of water storage cavity 2, the position setting of water storage cavity 2 and salt water cavity 6, etc. can be pressed towards the pipeline to press salt water into resin cavity 3, and a small-sized extraction pump can be arranged on salt water cavity 6, and saturated salt water is pumped by the extraction pump to be injected into resin cavity 3 for regeneration after being pumped in a proper amount.
In a further scheme, the resin cavity 3 and the water storage cavity 2 are integrally arranged, and the resin cavity 3 and the saline water cavity 6 are separately arranged;
preferably, the softening device comprises a shell 1, the water storage cavity 2 and the resin cavity 3 are integrally arranged in the shell 1, and the saline cavity 6 is arranged outside the shell 1.
So, water storage chamber 2, resin chamber 3 reach the integrated purpose that sets up, and salt solution chamber 6 communicates respectively with inlet pipe 5 and resin chamber 3 through the pipeline outside casing 1, consequently can be according to adding salt needs, sets up salt solution chamber 6 in suitable position, and the part in the casing 1 can install separately, has strengthened the flexibility of installation.
Preferably, the water storage cavity 2, the resin cavity 3 and the respirator 4 are all integrally arranged in the shell 1, and the saline cavity 6 is arranged outside the shell 1.
The resin cavity 3 is communicated with the inside and/or the outside of the dish washing machine through a pipeline, and a corresponding pump can be arranged on the pipeline, so that the aim of water inlet or water drainage is fulfilled. For example, the resin cavity 3 is communicated with the interior of a dish washer through a pipeline, and a circulating pump 11 is arranged on the pipeline to provide power for spraying circulation in the dish washer; alternatively, the resin chamber 3 is in communication with the exterior of the dishwasher or a drain pipe via a line on which a drain pump 12 is provided to power the drain.
Example two
The embodiment provides a method for controlling a softening device of a dishwasher, comprising the following steps: water in the water inlet waterway enters the resin cavity 3, softened water softened by the resin cavity 3 enters the water storage cavity 2 for storage, and heat in the dishwasher or the environment is absorbed for energy storage;
when the dish washer needs to soften the washing water, the softened water in the water storage cavity 2 directly enters the interior of the dish washer;
when the resin is regenerated, the softened water in the water storage cavity 2 enters the saline water cavity 6 to push the saline water therein to enter the resin cavity 3 for resin regeneration.
The softening device comprises a main control device which can be arranged independently or can be the main control device of the dish-washing machine. The reversing control valve, the first control valve, the flowmeter 10 and the like are all electrically connected with the main control device. The main control device controls the action of the elements according to the commands.
In a further solution, the softened water stored in the water storage chamber 2 absorbs the heat of the steam inside the dishwasher through the breather 4, or absorbs the heat from the surrounding environment through the wall of the water storage chamber 2;
when the dish washing machine needs to soften washing water, the first reversing control valve 7 controls the water storage cavity 2 to be communicated with the interior of the dish washing machine, and softened water stored in the water storage cavity 2 enters the interior of the dish washing machine;
when resin is regenerated, the first reversing control valve 7 controls the water storage cavity 2 to be communicated with the saline water cavity 6, softened water stored in the water storage cavity 2 enters the saline water cavity 6, and the saline water in the water storage cavity is pushed to enter the resin cavity 3 to regenerate the resin.
Therefore, the softened water stored in the water storage cavity 2 is quantitative, the pressure is stable, the softened water can enter the saline water cavity 6 under the self gravity to form saline water to enter the resin cavity 3 for regeneration, the required rated saline water can be saved, and the resin regeneration effect is improved. More specifically:
flow direction of softened washing water:
tap water → a solenoid valve 9 → a flow meter 10 → an anti-siphon structure 42 → a resin chamber 3 → a water storage chamber 2 (softened water overflowing from the water storage chamber 2 overflows into the dishwasher through an air hole 43) → a first direction change control valve 7 → the inside of the dishwasher.
Or: running water → solenoid valve 9 → flowmeter 10 → anti-siphon structure 42 → resin chamber 3 → second directional control valve 17 → inside of dishwasher.
Flow direction of regenerated resin water:
the quantity of softened water retained in the water storage chamber 2 is opened by the first direction change control valve 7 → the brine chamber 6 → the resin chamber 3 → the inside of the dishwasher.
The water in the chamber of the respirator 4 remains during the washing and drying processes, which acts to condense the hot vapor coming out of the respirator 4 and reduces the impact on the environment. The water in the water storage chamber 2 absorbs heat from the surrounding environment through the side walls.
EXAMPLE III
The embodiment provides a dish washing machine with a softening device, wherein the softening device is arranged at the bottom or the side part of the dish washing machine and comprises a water inlet pipeline 5, a saline water cavity 6 and a resin cavity 3, the resin cavity 3 is communicated with the water inlet pipeline 5, and the saline water cavity 6 is communicated with the resin cavity 3; the dishwasher also comprises a water storage cavity 2, wherein a liquid inlet of the water storage cavity 2 is communicated with the resin cavity 3, and a liquid outlet of the water storage cavity 2 is communicated with the saline water cavity 6 and/or the inside of the dishwasher; the medium stored in the water storage cavity 2 absorbs the heat in the interior of the dishwasher or in the surrounding environment for storing energy.
The softening device of this embodiment includes some or all of the features of the softening device of the first embodiment.
Preferably, the resin chamber 3 and the saline chamber 6 are separately arranged.
Further scheme, the resin chamber 3 and the water storage chamber 2 of this embodiment to and the mounted position of salt chamber 6 can be various, and the place that convenience of customers put in the salt granule need be considered in the position is placed to salt chamber 6, and resin chamber 3 then can be installed toward other places at will. The following schemes can be specifically but not limited to:
scheme 1, salt solution chamber 6 sets up in the bottom of dish washer, and resin chamber 3, water storage chamber 2 and respirator 4 are integrated to be placed in the lateral part of dish washer.
In the scheme 2, the resin cavity 3, the water storage cavity 2 and the respirator 4 are integrally arranged at the side part of the dish washer, and the saline water cavity 6 is also arranged at the side part but separately arranged at different positions; alternatively, the resin chamber 3, the water storage chamber 2 and the breather 4 are integrally placed at the bottom of the dishwasher, and the brine chamber 6 is also provided at the bottom, but separately placed at different locations.
According to the scheme 3, the salt water cavity 6 is arranged on the door body, and the resin cavity 3, the water storage cavity 2 and the respirator 4 are integrally placed on the side part of the dish washing machine; the salt is convenient for the user to add.
Although the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the present invention.

Claims (14)

1. A softening device of a dish washing machine is characterized by comprising a water inlet pipeline, a saline cavity and a resin cavity, wherein the resin cavity is communicated with the water inlet pipeline, and the saline cavity is communicated with the resin cavity; the water storage cavity is communicated with the resin cavity, and the liquid outlet of the water storage cavity is communicated with the saline water cavity and/or the interior of the dish washing machine; the medium stored in the water storage cavity absorbs the heat in the dishwasher or the ambient environment for storing energy; the resin cavity and the saline water cavity are arranged in a split manner;
the dishwasher also comprises a breather, wherein a cavity is arranged in the breather and is communicated with the interior of the dishwasher; the water storage cavity is communicated with the cavity of the respirator; steam in the dishwasher enters the water storage cavity through the cavity, the medium in the water storage cavity absorbs the heat of the cavity and/or the steam entering the water storage cavity, and the steam is condensed in the cavity and/or the water storage cavity;
the water storage cavity and the respirator are integrally arranged, and the side wall of at least one side of the cavity of the respirator is tightly attached to or integrally formed with the side wall of the water storage cavity; the inside of the water storage cavity is divided into a storage cavity for storing media and an installation cavity for placing a respirator, the respirator is positioned in the installation cavity, the storage cavity surrounds and surrounds the installation cavity, and the peripheral side walls of the cavity of the respirator are tightly attached to the side walls of the storage cavity or integrally formed;
the softened water in the water storage cavity is quantitatively set, and the water in the water storage cavity overflows and then enters the cavity of the breathing device and enters the inside of the dish washing machine through the air holes, so that the water in the water storage cavity is quantitatively set.
2. The softening device of a dishwasher according to claim 1, wherein the water storage chamber is disposed near the inner container of the dishwasher, and the medium stored in the water storage chamber absorbs the heat in the environment through each side wall of the water storage chamber to store energy.
3. The softening apparatus of claim 1, wherein the water storage chamber has a volume larger than the resin chamber and the brine chamber.
4. The softening apparatus of claim 1, wherein the bottom wall of the water storage chamber is horizontally disposed.
5. The softening device of a dish-washing machine as claimed in any one of claims 1 to 4, wherein the upper part of the water storage cavity is provided with a liquid inlet communicated with the water outlet of the resin cavity, the lower part of the water storage cavity is provided with a first liquid outlet, a pipeline is arranged at the first liquid outlet, a first reversing control valve is arranged on the pipeline, the first reversing control valve comprises at least two water outlet ends, and the two water outlet ends are respectively communicated with the inlet of the brine cavity and the inside of the dish-washing machine through pipelines.
6. The softening apparatus of claim 5, wherein a flow rate detecting element is further disposed on the pipeline between the first liquid outlet and the first reversing control valve.
7. The softening device of a dish-washing machine as claimed in any one of claims 1 to 4, wherein the water storage chamber is provided with a first liquid outlet and a second liquid outlet, the first liquid outlet is communicated with the inlet of the brine chamber through a pipeline; the second liquid outlet is communicated with the inside of the dish washing machine through a pipeline.
8. The softening device of claim 7, wherein the first outlet of the water storage chamber is connected to the inlet of the brine chamber via a first pipeline, the first pipeline is provided with a first control valve, the first control valve is opened to connect the first pipeline, water in the water storage chamber enters the brine chamber, and brine enters the resin chamber for resin regeneration.
9. The softening apparatus of claim 8, wherein a second control valve is disposed on a pipeline connecting the second liquid outlet and the interior of the dishwasher.
10. The softening apparatus of a dishwasher according to any one of claims 1 to 4, wherein the softening apparatus comprises a housing, the water storage chamber and the respirator are integrally arranged in the housing, and the brine chamber is arranged outside the housing.
11. The softening apparatus of claim 10, wherein the water storage chamber, the resin chamber and the respirator are integrally disposed in the housing, and the brine chamber is disposed outside the housing.
12. A control method of a softening device of a dishwasher according to any one of claims 1 to 11, wherein water in a water inlet waterway enters a resin cavity, softened water softened by the resin cavity enters a water storage cavity for storage, and absorbs heat in the interior or the environment of the dishwasher for energy storage;
when the dish washer needs to soften the washing water, the softened water in the water storage cavity directly enters the interior of the dish washer;
when the resin is regenerated, softened water in the water storage cavity enters the saline cavity to push the saline water in the saline cavity to enter the resin cavity for resin regeneration.
13. The control method according to claim 12, wherein the softened water stored in the water storage chamber absorbs heat of steam inside the dishwasher through a breather or absorbs heat from the surrounding environment through a wall of the water storage chamber;
when the dish-washing machine needs to soften washing water, the first reversing control valve controls the water storage cavity to be communicated with the interior of the dish-washing machine, and softened water stored in the water storage cavity enters the interior of the dish-washing machine;
when the resin is regenerated, the first reversing control valve controls the water storage cavity to be communicated with the saline water cavity, softened water stored in the water storage cavity enters the saline water cavity, and the saline water in the water storage cavity is pushed to enter the resin cavity to regenerate the resin.
14. A dishwasher having a softening apparatus according to any one of claims 1 to 11, wherein the dishwasher is provided with the softening apparatus, the softening apparatus comprising a water inlet conduit, a brine chamber and a resin chamber, the resin chamber being in communication with the water inlet conduit and the brine chamber being in communication with the resin chamber; the water storage cavity is communicated with the resin cavity, and the liquid outlet of the water storage cavity is communicated with the saline water cavity and/or the interior of the dish washing machine; the medium that stores in the water storage chamber absorb the heat in the inside of dishwasher or the surrounding environment and carry out the energy storage, resin chamber and salt solution chamber components of a whole that can function independently set up.
CN201810744535.8A 2018-07-09 2018-07-09 Softening device of dish washing machine, control method and dish washing machine Active CN110759429B (en)

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CN101543389A (en) * 2008-03-26 2009-09-30 迈科机械制造有限及两合公司 Batch dishwasher with waste water heat recovery
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