A water softener for a dishwasher and a dishwasher

By dividing the resin chamber of the dishwasher water softener into two and increasing the water flow path, the contact time between the water flow and the ion exchange resin is extended, solving the problems of poor water softening effect and large resin consumption in the prior art, and achieving more efficient water softening treatment and cost reduction.

CN224548136UActive Publication Date: 2026-07-24FOSHAN CITY SHUNDE DISTRICT SHUNJIALI ELECTRICAL APPLIANCE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
FOSHAN CITY SHUNDE DISTRICT SHUNJIALI ELECTRICAL APPLIANCE
Filing Date
2025-08-19
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing dishwasher water softeners have limited contact time with ion exchange resin due to the limited water flow path length, resulting in a limited water softening effect. At the same time, the amount of resin used is large, leading to high costs.

Method used

The resin chamber is divided into two independent resin chambers and connected by a vertical partition to increase the flow distance of water in the resin chamber. A filter screen and a solenoid valve are installed to control the water flow path, prolong the contact time between the water flow and the ion exchange resin, and the resin regeneration function is realized through a salt chamber and a one-way valve.

Benefits of technology

This improves the water softening capacity of the water softener, reduces the amount of resin used, lowers costs, and extends the lifespan of the water softener.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a water softener of a dish washing machine and the dish washing machine, and the water softener comprises a resin cavity, a solenoid valve, a water inlet and a water outlet; a vertical partition plate is arranged in the resin cavity, and the vertical partition plate divides the resin cavity into a first resin cavity and a second resin cavity; the upper portion of the first resin cavity is communicated with the upper portion of the second resin cavity; and the lower portion of the second resin cavity is communicated with the water outlet; and when the solenoid valve is in a first state, the lower portion of the first resin cavity is communicated with the water inlet. The water softener of the dish washing machine and the dish washing machine can improve the soft water capacity of the water softener.
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Description

Technical Field

[0001] This utility model relates to the field of home appliance technology, and more specifically to a water softener and a dishwasher. Background Technology

[0002] Dishwashers typically use tap water for washing dishes, but tap water often contains a high amount of calcium carbonate and magnesium carbonate ions. During the washing process, these ions react with detergent ingredients and dirt, producing a difficult-to-remove precipitate that reduces the dishwasher's washing effectiveness. Simultaneously, these precipitates can clog the inside of the dishwasher, affecting its lifespan. Therefore, most dishwashers are equipped with a water softener, which softens tap water before it enters the dishwasher's cavity to wash dishes.

[0003] However, existing dishwasher water softeners generally only have a single resin chamber. Domestic water flows into the water softener through the inlet, passes through a filter at the bottom of the resin chamber, and then flows out through another filter at the top of the resin chamber to the water softener outlet. The softening path length of the water is limited, meaning that the contact time between the water and the ion exchange resin is short, which limits the water softening effect of the water softener. Utility Model Content

[0004] In order to overcome the above-mentioned shortcomings of the prior art, the present invention provides a water softener for a dishwasher and a dishwasher, which can improve the water softening capacity of the water softener.

[0005] The technical solution adopted by this utility model to solve its technical problem is: a water softener for a dishwasher, the water softener including a resin chamber, a solenoid valve, a water inlet and a water outlet.

[0006] A vertical partition is provided in the resin chamber, which divides the resin chamber into a first resin chamber and a second resin chamber. The upper part of the first resin chamber is connected to the upper part of the second resin chamber, and the lower part of the second resin chamber is connected to the water outlet. When the solenoid valve is in the first state, the lower part of the first resin chamber is connected to the water inlet.

[0007] This technical solution provides a water softener for a dishwasher. By dividing the resin chamber into two, the distance the water flows through the resin chamber can be extended, increasing the contact time between the water and the ion exchange resin, thereby improving the water softening capacity of the water softener. At the same time, due to the enhanced water softening capacity, the amount of resin used in the water softener can be optimized and reduced, achieving the effect of increasing efficiency and reducing costs.

[0008] In a preferred embodiment, a first filter screen is provided at the lower end of the resin cavity and a second filter screen is provided at the upper end, which serves as a filter;

[0009] Half of the first filter screen is located at the bottom of the first resin chamber, and the other half is located at the bottom of the second resin chamber; half of the second filter screen is located on the top surface of the first resin chamber, and the other half is located on the top surface of the second resin chamber.

[0010] In a preferred embodiment, the first filter and the second filter are integrally formed or snap-fitted at both ends of the resin cavity.

[0011] In a preferred embodiment, both the first and second filter screens are provided with several through holes to facilitate processing and water flow.

[0012] In a preferred embodiment, the upper part of the vertical partition is provided with several water passage holes, and the first resin cavity and the second resin cavity are connected through the water passage holes.

[0013] In a preferred embodiment, the water passage hole is a vertically arranged strip-shaped through hole, which can increase the water flow area.

[0014] In a preferred embodiment, the water softener also includes a brine chamber and a check valve;

[0015] When the solenoid valve is in the second state, the water inlet is connected to the lower part of the first resin chamber in sequence through the salt chamber and the check valve.

[0016] In a preferred embodiment, a water outlet channel is provided on the outer side of the wall of the second resin chamber, and the lower part of the second resin chamber is connected to the water outlet through the water outlet channel.

[0017] In a preferred embodiment, the water inlet is located above the resin chamber, and a water inlet channel is provided around the upper part of the resin chamber wall. The water inlet is connected to the lower part of the first resin chamber through the water inlet channel.

[0018] A dishwasher including a water softener as described in any of the above technical solutions.

[0019] The dishwasher in this technology uses the water softener described above, which can extend the contact distance between the water flow and the ion exchange resin, thereby enhancing the water softening effect.

[0020] As can be seen from the above technical solution, compared with the prior art, the beneficial effects of this utility model are:

[0021] This utility model provides a water softener for a dishwasher. By dividing the resin chamber into two, the distance the water flows through the resin chamber can be extended, increasing the contact time between the water and the ion exchange resin, thereby improving the water softening capacity of the water softener. At the same time, due to the enhanced water softening capacity, the amount of resin used in the water softener can be optimized and reduced, achieving the effect of increasing efficiency and reducing costs.

[0022] A dishwasher employing the aforementioned water softener can enhance the water softening effect.

[0023] In addition, other advantages of this invention will be set forth in the description which follows, in part will be obvious from the description, or may be learned by practice of this invention. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0025] Figure 1 This is a schematic diagram of the overall structure of the water softener of this utility model;

[0026] Figure 2 This is a top view of the water softener of this utility model;

[0027] Figure 3 for Figure 2 A cross-sectional view at position AA in the middle;

[0028] Figure 4 This is an exploded structural diagram of the water softener of this utility model;

[0029] Figure 5 This is another exploded structural diagram of the water softener of this utility model;

[0030] Figure 6 This is another exploded structural diagram of the water softener of this utility model;

[0031] Explanation of reference numerals in the attached drawings: 1. Resin chamber; 11. First resin chamber; 12. Second resin chamber; 13. Vertical partition; 2. Solenoid valve; 3. Inlet; 4. Outlet; 5. First filter screen; 6. Second filter screen; 7. Water passage hole; 8. Outlet channel; 9. Inlet channel. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] In the description of this utility model, it should be understood that the terms "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this utility model. Furthermore, in the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0034] Reference Figure 1-6 This invention describes a water softener for a dishwasher and a dishwasher according to an embodiment of the present invention. The water softener for the dishwasher can be applied to dishwashers that require soft water.

[0035] In one embodiment, such as Figure 1-6 As shown, a water softener for a dishwasher includes a resin chamber 1, a solenoid valve 2, a water inlet 3, and a water outlet 4.

[0036] A vertical partition 13 is provided in the resin chamber 1, which divides the resin chamber 1 into a first resin chamber 11 and a second resin chamber 12. The upper part of the first resin chamber 11 is connected to the upper part of the second resin chamber 12, and the lower part of the second resin chamber 12 is connected to the water outlet 4. When the solenoid valve 2 is in the first state, the lower part of the first resin chamber 11 is connected to the water inlet 3.

[0037] The water softener includes an upper cover, a lower cover, and a resin chamber 1. The resin chamber 1 is formed by the inner cavity of a cylindrical tank located in the middle section of the water softener. The middle section of the water softener is located between the upper cover and the lower cover and can be an integrally formed structure integrating an outlet 4, an outlet channel 8, and a partial inlet channel 9. A solenoid valve 2 can be installed on the middle section to control the connection between the inlet channel 9 and the first resin chamber 11. The upper cover integrates an inlet 3. The upper cover and the lower cover are respectively fastened to both ends of the middle section, forming the entire inlet channel 9 together with the middle section.

[0038] Specifically, the first state of the solenoid valve 2 can be either a de-energized state or an energized state. In this embodiment, the de-energized state of the solenoid valve 2 is set as its first state, and the energized state is set as its second state. When the solenoid valve 2 is in the first state (de-energized), the lower part of the first resin chamber 11 can be directly connected to the water inlet 3, and the water flow directly flows through the water inlet 3, the first resin chamber 11, and the second resin chamber 12 to the water outlet 4 in sequence.

[0039] The working principle of the above water softener is as follows: Figure 3As shown by the middle arrow, the water flow direction is such that the water entering through the inlet 3 flows into the lower part of the first resin chamber 11, flows out from the upper part of the first resin chamber 11 to the upper part of the second resin chamber 12, and finally flows from the lower part of the second resin chamber 12 to the outlet 4. That is, it first flows through the first resin chamber 11 and then through the second resin chamber 12. With the volume of the resin chamber 1 remaining unchanged, the distance the water flows through the resin chamber 1 can be doubled, thereby improving the water softening capacity of the water softener.

[0040] This embodiment provides a water softener for a dishwasher. By dividing the resin chamber 1 into two, the distance the water flows through the resin chamber 1 can be extended, increasing the contact time between the water and the ion exchange resin, thereby improving the water softening capacity of the water softener. At the same time, due to the enhanced water softening capacity, the amount of resin used in the water softener can be optimized and reduced, achieving the effect of increasing efficiency and reducing costs.

[0041] In this embodiment, the lower end of the resin cavity 1 is provided with a first filter screen 5 and the upper end is provided with a second filter screen 6;

[0042] Half of the first filter 5 is located at the bottom of the first resin chamber 11, and the other half is located at the bottom of the second resin chamber 12; half of the second filter 6 is located on the top surface of the first resin chamber 11, and the other half is located on the top surface of the second resin chamber 12.

[0043] Specifically, such as Figure 3 As shown by the middle arrow, when the water softener is working, water enters the first resin chamber 11 through half of the first filter screen 5, then flows out through half of the second filter screen 6, then flows into the second resin chamber 12 through the other half of the second filter screen 6, and finally flows out to the outlet 4 through the other half of the first filter screen 5.

[0044] The first filter screen 5 has one half used to intercept impurities in the incoming water and the other half used to intercept resin impurities in the outgoing water, preventing resin particles from entering water pipes or water-using equipment and preventing water pollution; the second filter screen 6 is used to filter the water flowing from the first resin chamber 11 into the second resin chamber 12, preventing resin from flowing out of the first resin chamber 11.

[0045] In this embodiment, the first filter screen 5 and the second filter screen 6 are integrally formed or snap-fitted at both ends of the resin cavity 1. When the first filter screen 5 and the second filter screen 6 are integrally formed with the resin cavity 1, the structural strength can be improved, and the product structure is simple and the cost is low. When the first filter screen 5 and the second filter screen 6 are snap-fitted at the top and bottom of the resin cavity 1, the structure is simple and easy to install and disassemble.

[0046] In practice, one of the first filter screen 5 and the second filter screen 6 can be integrally formed with the resin chamber 1, while the other filter screen is snapped onto one end of the resin chamber 1. Taking the second filter screen 6 snapped onto the top of the resin chamber 1 as an example, the second filter screen 6 can be removed from one end of the resin chamber 1 to replace the ion exchange resin inside the resin chamber 1.

[0047] In this embodiment, both the first filter screen 5 and the second filter screen 6 are provided with several through holes to facilitate processing and water flow. In specific implementation, the through holes can be strip-shaped, circular, elliptical, or other shapes, and this embodiment does not impose any restrictions on this.

[0048] In this embodiment, the upper part of the vertical partition 13 is provided with a plurality of water passage holes 7, and the first resin cavity 11 and the second resin cavity 12 are connected through the water passage holes 7.

[0049] The above embodiment improves the flow rate of water from the first resin chamber 11 to the second resin chamber 12 by opening water passage holes 7 in the upper part of the vertical partition 13, thereby helping to improve the efficiency of soft water treatment.

[0050] In this embodiment, the water passage hole 7 is a vertically arranged strip-shaped through hole, which can increase the water flow area.

[0051] In this embodiment, the water softener also includes a brine chamber and a one-way valve;

[0052] When the solenoid valve 2 is in the second state, the water inlet 3 is connected to the lower part of the first resin chamber 11 in sequence through the salt chamber and the check valve.

[0053] The second state of the solenoid valve 2 is the energized state. Specifically, when the solenoid valve 2 is in the second state (energized), the inlet 3 is connected to the brine chamber, and the brine chamber is connected to the lower part of the first resin chamber 21 through a one-way valve, thereby forming the resin regeneration water circuit of the water softener. Specifically, the water softener can switch between the two states of soft water and resin regeneration by switching the state of the solenoid valve 2.

[0054] In the above embodiments, by setting up a salt chamber and a one-way valve, and switching the state of the solenoid valve 2, the resin regeneration function can be realized, extending the service life of the water softener.

[0055] In this embodiment, a water outlet channel 8 is provided on the outer side of the cavity wall of the second resin cavity 12, and the lower part of the second resin cavity 12 is connected to the water outlet 4 through the water outlet channel 8.

[0056] Among them, the water outlet channel 8 is a vertical channel, with its lower inlet connected to the lower part of the second resin chamber 12 and its upper end connected to the water outlet 4; specifically, the softened water flows out from the lower part of the second resin chamber 12 to the water outlet channel 8, and then flows upward to the water outlet 4.

[0057] The water softener described above has the water outlet channel 8 located on the outer side of the cavity wall of the second resin chamber 12, which makes the product structure more compact and concentrated, and helps to reduce the product volume.

[0058] In this embodiment, the water inlet 3 is located above the resin cavity 1, and a water inlet channel 9 is provided around the upper part of the cavity wall of the resin cavity 1. The water inlet 3 is connected to the lower part of the first resin cavity 11 through the water inlet channel 9.

[0059] The above-mentioned water softener makes the product structure more compact and concentrated by setting the water inlet channel 9 around the upper cavity wall of the resin cavity 1, thereby further reducing the product volume.

[0060] In another embodiment, the present invention provides a dishwasher that includes a water softener as described in any of the above embodiments, which can extend the contact distance between the water flow and the ion exchange resin, thereby enhancing the water softening effect.

[0061] The dishwasher may include an inner tank, a drainage system, and the aforementioned water softener. The drain outlet of the inner tank is connected to the drainage system, and the inlet of the inner tank is connected to the outlet of the water softener.

[0062] The water softener and other components and operation of the dishwasher according to the embodiments of the present invention are known to those skilled in the art and will not be described in detail here.

[0063] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0064] In the description of this specification, references to the terms "embodiment," "specific embodiment," "example," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example that is included in at least one embodiment or example of the present invention.

[0065] In this specification, the illustrative expressions of the terms used do not necessarily refer to the same embodiments or examples. Moreover, the specific features, structures, materials, or characteristics described may be combined with each other in any suitable manner in one or more embodiments or examples without interference or contradiction.

Claims

1. A water softener for a dishwasher, characterized in that: The water softener includes a resin chamber (1), a solenoid valve (2), an inlet (3), and an outlet (4); The resin chamber (1) is provided with a vertical partition (13), which divides the resin chamber (1) into a first resin chamber (11) and a second resin chamber (12). The upper part of the first resin chamber (11) is connected to the upper part of the second resin chamber (12), and the lower part of the second resin chamber (12) is connected to the water outlet (4). When the solenoid valve (2) is in the first state, the lower part of the first resin chamber (11) is connected to the water inlet (3).

2. The water softener for the dishwasher according to claim 1, characterized in that: The resin cavity (1) is provided with a first filter screen (5) at the lower end and a second filter screen (6) at the upper end; Half of the first filter (5) is located at the bottom of the first resin cavity (11), and the other half is located at the bottom of the second resin cavity (12); half of the second filter (6) is located on the top surface of the first resin cavity (11), and the other half is located on the top surface of the second resin cavity (12).

3. The water softener for the dishwasher according to claim 2, characterized in that: The first filter (5) and the second filter (6) are integrally formed or snap-fitted at both ends of the resin cavity (1).

4. The water softener for the dishwasher according to claim 3, characterized in that: Both the first filter screen (5) and the second filter screen (6) are provided with several through holes.

5. The water softener for the dishwasher according to claim 2, characterized in that: The upper part of the vertical partition (13) is provided with several water passage holes (7), and the first resin cavity (11) and the second resin cavity (12) are connected through the water passage holes (7).

6. The water softener for the dishwasher according to claim 5, characterized in that: The water passage (7) is a vertically arranged strip-shaped through hole.

7. The water softener of the dishwasher according to any one of claims 1 to 6, characterized in that: The water softener also includes a brine chamber and a one-way valve; When the solenoid valve (2) is in the second state, the water inlet (3) is connected to the lower part of the first resin chamber (11) in sequence through the salt chamber and the one-way valve.

8. The water softener for the dishwasher according to claim 7, characterized in that: The second resin cavity (12) has a water outlet channel (8) on the outer side of its cavity wall, and the lower part of the second resin cavity (12) is connected to the water outlet (4) through the water outlet channel (8).

9. The water softener for the dishwasher according to claim 8, characterized in that: The water inlet (3) is located above the resin cavity (1), and a water inlet channel (9) is provided around the upper part of the cavity wall of the resin cavity (1). The water inlet (3) is connected to the lower part of the first resin cavity (11) through the water inlet channel (9).

10. A dishwasher, characterized in that: A water softener including a dishwasher as described in any one of claims 1 to 9.