Salt box assembly and water softener

Abstract

The invention relates to the field of water softening equipment, and provides a salt box assembly and a water softener. The salt box assembly comprises a box body, a salt storage box, a main pipe, a branch pipe and a pressure detection piece; a gap exists between the salt storage box and the bottom wall of the box body, and a plurality of water permeable holes are uniformly formed in the bottom of the salt storage box; the lower end of the main pipe is closed, a pressure detection piece is arranged in the lower end, the main pipe is used for containing solid salt, the solid salt is placed on the pressure detection piece, a communicating hole is formed in the side wall of the main pipe, and the top of the communicating hole is higher than the top of the pressure detection piece; and the other end of the branch pipe is communicated with the salt storage box. The problems that the dissolving speed of solid salt is low and the solid salt cannot be supplemented in time are solved.

Description

Technical Field

[0001] The present application relates to the field of water softening equipment, and in particular to a salt box assembly and a water softener. Background Art

[0002] With the improvement of living standards, people have higher and higher requirements for the water quality they use. Therefore, water softeners are more and more widely used. Water softeners usually use resins to soften water to remove scaling components (mainly calcium and magnesium ions). However, after a period of use, the resin will lose its water softening function and needs to be regenerated to restore its water softening function. At present, salt water is usually used to regenerate failed resins.

[0003] For traditional water softeners, solid salt is generally placed directly at the bottom of the water softener salt tank assembly. Part of the solid salt dissolves in water to form brine, and the other part remains in a solid state at the bottom of the brine. With the continuous use of the water softener, the brine is gradually consumed, and water needs to be added to the brine tank assembly to dissolve the solid salt and regenerate brine.

[0004] However, the above-mentioned salt dissolving method is slow and difficult to quickly form saturated brine, and the brine is easy to stratify, that is, the concentration of the lower layer is higher than that of the upper layer, which will affect the regeneration effect of the resin. In addition, since the solid salt is placed in the brine and the thickness of the solid salt in different parts is different, it is difficult to monitor the remaining amount of solid salt, and when the solid salt is exhausted, it is impossible to replenish the salt in time. Summary of the invention

[0005] In order to solve the problem that solid salt dissolves slowly and cannot be replenished in time, the present application provides a salt box assembly and a water softener.

[0006] The present application provides a salt box assembly and a water softener adopting the following technical solutions: In a first aspect, the present application provides a salt box assembly, comprising: Box; A salt storage box has a gap with the bottom wall of the box body, and a plurality of water-permeable holes are evenly arranged at the bottom of the salt storage box; A main pipe, the lower end of which is closed and a pressure detection component is provided inside the lower end, the interior of the main pipe is used to contain solid salt, and the solid salt is placed on the pressure detection component, a connecting hole is provided on the side wall of the main pipe, and the top height of the connecting hole is higher than the top height of the pressure detection component; A branch pipe has one end connected to the connecting pipe and the other end connected to the salt storage box.

[0007] By adopting the above technical solution, the rapid dissolution and residual monitoring of solid salt are realized. The specific effects are as follows: The main pipe is connected to the salt storage box through a branch pipe, enabling the solid salt in the main pipe to enter the salt storage box. The solid salt in the salt storage box can dissolve in water, thereby creating a concentration difference between the bottom of the salt storage box and the bottom of the box body. As a result, the dissolved salt in the water can diffuse downward through the water-permeable holes. Since the density of salt is greater than that of water, the salt diffuses from top to bottom, which helps to increase the dissolution rate and makes the concentration of brine more uniform in each part.

[0008] The lower end of the main pipe is closed and is provided with a pressure detection component, which can monitor the weight change of the solid salt in real time to determine whether the salt quantity is sufficient. And when there is no solid salt above the pressure detection component, there is still solid salt inside the branch pipe, which can still meet the working requirements of the water softener for a certain period of time.

[0009] Optionally, the salt storage box has multiple salt storage cavities, the number of branch pipes is equal to and corresponds to the number of salt storage cavities one by one, and the branch pipes are connected to their corresponding salt storage cavities.

[0010] By adopting the above technical solution, the uniform distribution of solid salt in the salt box assembly is realized. The design of multiple salt storage cavities can effectively prevent the accumulation and caking of solid salt in the salt storage box. The branch pipes correspond to and are connected to the salt storage cavities one by one, ensuring the supply of solid salt in each salt storage cavity and improving the stability and efficiency of brine preparation.

[0011] Optionally, the water-permeable holes do not allow solid salt to pass through; or, The aperture of the water-permeable holes is larger than the particle size of the solid salt, and a salt-blocking gauze is provided on the inner bottom wall of the salt storage box.

[0012] By adopting the above technical solution, the design that the water-permeable holes do not allow solid salt to pass through can effectively prevent solid salt from entering the area below the salt storage box, avoiding the problem that salt particles accumulate at the bottom of the box body, resulting in a much higher brine concentration at the bottom of the box body than that in the upper layer, and also avoiding the problem of slower dissolution rate of salt particles accumulated at the bottom of the box body.

[0013] The aperture of the water-permeable holes being larger than the particle size of the solid salt and being combined with the salt-blocking gauze on the inner bottom wall of the salt storage box can not only ensure that the solid salt is restricted within the salt storage box, but also, due to the larger aperture of the water-permeable holes, increase the contact area between the solid salt and water, improve the dissolution rate of the salt, and realize the uniform distribution of the salt.

[0014] Optionally, the salt box assembly has a brine preparation state and a brine pre-preparation state; In the brine preparation state, the liquid level height in the box body is higher than the bottom wall height of the salt storage box; In the brine pre-preparation state, the liquid level height in the box body is lower than the bottom wall height of the salt storage box, and the liquid in the box body is pure water or unsaturated brine.

[0015] By adopting the above technical solution, the flexible switching of the salt box components in different states is achieved. The specific effects are as follows: 1. When the brine is being prepared, the liquid level is higher than the bottom wall of the salt storage box, so that the water in the box can effectively infiltrate the solid salt and promote the dissolution process.

[0016] 2. When the brine is in the pre-prepared state, the liquid level is lower than the bottom wall height of the salt storage box, and the water in the box will not infiltrate the solid salt in the salt storage box to form saturated brine; and the liquid in the box is pure water or unsaturated brine, which prevents the components from being in a high-salt environment for a long time and accelerating corrosion.

[0017] Optionally, the salt box assembly further comprises a salt distributor, the salt distributor is communicated with an end of the branch pipe away from the main pipe, and the salt distributor has a tapered channel which is narrow at the top and wide at the bottom.

[0018] By adopting the above technical solution, the setting of the salt distributor can effectively improve the uniformity of the distribution of solid salt in the salt storage box. Specifically, the salt distributor is connected to the branch pipe, and its tapered channel design, which is narrow at the top and wide at the bottom, allows the solid salt to be more evenly dispersed into the salt storage cavity when entering the salt storage box, thereby avoiding the phenomenon of local accumulation or uneven distribution, and improving the overall use effect of the salt box assembly.

[0019] Optionally, there is a distance between the bottom of the salt distributor and the inner bottom wall of the corresponding salt storage chamber, and the distance is smaller than the height of the corresponding salt storage chamber.

[0020] By adopting the above technical solution, the bottom of the salt distributor is designed to maintain a small distance from the inner bottom wall of the salt storage box, so that the solid salt entering the salt storage box can spread outward within a certain range to accelerate dissolution. At the same time, the solid salt entering the salt storage box will not be too much. When the salt water is saturated, the solid salt entering the salt storage box will not dissolve. When the solid salt accumulates to a certain height, it will block the bottom of the conical channel, avoiding the phenomenon that the solid salt in the main pipe continues to flow after the salt water is saturated, resulting in deviations in the determination of the residual amount of solid salt.

[0021] Optionally, the salt box assembly further comprises a vibrating member; The lower end of the main pipe has a cavity, and the vibrating element is arranged in the cavity; A capacity scale is arranged on the inner wall of the main pipe.

[0022] By adopting the above technical solution, the vibrating member can compact the solid salt inside the main pipe, facilitating the intuitive understanding of the remaining amount of solid salt through the capacity scale, so as to replenish the solid salt in a timely manner and ensure the normal operation of the equipment. Secondly, the vibration effect of the vibrating member enables the solid salt in the main pipe, branch pipe and salt distributor to flow out smoothly, avoiding blockage caused by the solid salt getting damp and caking. Finally, the vibration of the salt distributor enables the solid salt discharged from the salt distributor to be laid more evenly in the salt storage cavity.

[0023] Optionally, the salt box assembly further includes a cover plate, which is located above the liquid level of the liquid in the box body, and the cover plate fits with the inner wall of the box body; The main pipe penetrates through the cover plate, a feeding port is provided on the side wall of the main pipe, the part of the cover plate penetrated by the main pipe is concave, and the height of the lowest point of the concave part is the same as the bottom height of the feeding port; The top of the cover plate is used for storing solid salt.

[0024] By adopting the above technical solution, the design of the cover plate enables the solid salt to be stored on the top of the cover plate, effectively utilizing the space and extending the salt adding cycle. The combined design of the feeding port and the concave part of the cover plate enables the solid salt in the main pipe to be replenished in a timely manner, improving the convenience of use. In addition, the structure of the cover plate fitting with the inner wall of the box body increases the overall stability and can also prevent the salt in the salt water from precipitating and causing the phenomenon of salt creeping, affecting the user experience.

[0025] Optionally, the bottom surface of the salt storage box is arc-shaped.

[0026] By adopting the above technical solution, the arc-shaped bottom surface of the salt storage box can effectively increase the area, and then can increase the number of water permeable holes, so as to increase the contact area between the solid salt and water in the salt storage box, accelerate the dissolution speed of the solid salt, quickly obtain the saturated salt water required for resin regeneration, and thus improve the working efficiency and reliability of the salt box assembly.

[0027] In a second aspect, the present application provides a water softener, including the salt box assembly according to any one of the above.

[0028] By adopting the above technical solution, the salt box assembly in the water softener can achieve efficient storage, detection and distribution of solid salt. The specific effects are as follows: 1. The design of the water permeable holes at the bottom of the salt storage box ensures the effective penetration of moisture, and at the same time avoids accidental leakage of solid salt. After the solid salt in the salt storage box is dissolved, it can diffuse downward, which can not only improve the uniformity of the salt water concentration, but also has a relatively fast dissolution speed.

[0029] 2. The pressure detection member inside the main pipe can monitor the remaining amount of solid salt in real time, and further improve the accuracy of salt quantity management in combination with the capacity scale.

[0030] 3. The one-to-one correspondence design between the branch pipes and the salt storage chambers ensures the uniformity of the salt flow direction and improves the operation stability of the water softener.

[0031] 4. The conical channel design of the salt distributor optimizes the salt distribution efficiency. The shape of its bottom is adapted to the cross-section of the salt storage chamber or the circular ring design, ensuring more uniform brine distribution.

[0032] 5. The setting of the vibration part effectively prevents the blockage of solid salt in the main pipe and improves the reliability of the system.

[0033] 6. The design of the cover plate not only provides additional storage space for solid salt, but also simplifies the salt addition operation and improves the user experience through the cooperation of the feeding port and the recess; and the cover plate fits the inner wall of the box, which can avoid the appearance of salt particles at the salt addition port of the water softener due to the salt climbing phenomenon and thus affect the user experience.

[0034] 7. The arc design of the bottom surface of the salt storage box increases the contact area between solid salt and water and speeds up the dissolution rate of solid salt.

[0035] In summary, by integrating the above functional modules, the water softener significantly improves the efficiency and reliability of brine preparation, and at the same time optimizes the user's operation experience.

[0036] In summary, the present application includes at least one of the following beneficial technical effects: 1. By arranging a pressure detection part inside the lower end of the main pipe, the storage amount of solid salt can be monitored in real time, ensuring that the user replenishes the salt in time and avoiding unstable water softening effect due to insufficient salt amount; 2. The main pipe distributes solid salt evenly into each salt storage chamber through the branch pipes and the salt distributor, which not only ensures the uniformity of the brine concentration, but also enables the solid salt to be dissolved immediately when used; 3. The water-permeable holes uniformly arranged at the bottom of the salt storage box allow water to pass through but not solid salt, ensuring that the salt can continuously diffuse downward, improving the dissolution rate of the salt and the uniformity of the brine concentration. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 is an internal three-dimensional structure schematic diagram of the salt box assembly provided by the present application.

[0038] Figure 2 is a partial schematic diagram of the salt box assembly provided by the present application.

[0039] Figure 3 is a cross-sectional view taken along line A-A provided by the present application.

[0040] Figure 4 is a structural schematic diagram of the salt storage box of the salt box assembly provided by the present application.

[0041] Figure 5 It is a schematic three-dimensional structure diagram of the water softener provided by this application.

[0042] Figure 6 It is one of the schematic partial three-dimensional structure diagrams of the water softener provided by this application.

[0043] Figure 7 It is a partial top view of the water softener provided by this application.

[0044] Figure 8 It is the second of the schematic partial three-dimensional structure diagrams of the water softener provided by this application.

[0045] Explanation of reference numerals: 1. Cabinet; 11. Salt adding port; 2. Salt storage box; 21. Water permeable holes; 22. Salt storage cavity; 3. Main pipe; 31. Communication holes; 32. Feeding port; 4. Branch pipe; 5. Pressure detection component; 6. Salt distributor; 61. Conical channel; 7. Cover plate; 8. Vibration component; 9. Resin tank; 10. Salt valve assembly. Detailed implementation manners

[0046] The following further elaborates on this application in conjunction with the attached Figures 1 to 8 drawings.

[0047] As Figures 1 to 6 shown, an embodiment of this application discloses a salt box assembly, which includes a cabinet 1, a salt storage box 2, a main pipe 3, a branch pipe 4 and a pressure detection component 5.

[0048] Specifically, a salt adding port 11 is provided at the top of the cabinet 1, and the salt adding port 11 is located above the main pipe 3. An overflow valve is provided on the side wall of the cabinet 1 to prevent overfilling of water in the cabinet 1.

[0049] A plurality of water permeable holes 21 are uniformly provided on the bottom wall of the salt storage box 2. The inside of the salt storage box 2 is provided with a reinforcing plate, which not only increases the structural strength but also divides the inside of the salt storage box 2 into a plurality of salt storage cavities 22. The salt storage box 2 is arranged inside the cabinet 1 and there is a certain distance between the salt storage box 2 and the bottom wall of the cabinet 1. The specific distance value can be determined according to actual needs. The bottom of the salt storage box 2 can be provided with feet so that the salt storage box 2 can be directly placed in the cabinet 1. Among them, the outer side wall of the salt storage box 2 is attached to the inner wall of the cabinet 1 to prevent the salt storage box 2 from shaking. A flexible pad can be provided on the outer side wall of the salt storage box 2 to play a role in vibration reduction and noise reduction.

[0050] The main pipe 3 can be arranged vertically, its lower end is closed and a pressure detection component 5 is provided inside the lower end. The pressure detection component 5 can specifically be a pressure sensor. A plurality of communication holes 31 are provided on the side wall of the main pipe 3.

[0051] The number of the communication holes 31, the branch pipes 4, and the salt storage cavities 22 are equal and any two of them correspond to each other one by one. Any communication hole 31 is communicated with the corresponding salt storage cavity 22 through the corresponding branch pipe 4. Among them, the branch pipe 4 is preferably communicated with the middle part of the corresponding salt storage cavity 22.

[0052] The main pipe 3 is used to accommodate solid salt inside, and the solid salt can be evenly distributed into each salt storage cavity 22 through each branch pipe 4. Among them, the solid salt in the main pipe 3 is placed on the pressure detection member 5, and the pressure detection member 5 can detect the remaining amount of the solid salt inside the main pipe 3. The top height of the communication hole 31 is higher than the top height of the pressure detection member 5, so as to ensure that the solid salt can flow out smoothly. Specifically, the upper end of the pressure detection member 5 can be provided with a convex block with an upward convex middle part, and the bottom height of the communication hole 31 is the same as the height of the top of the edge of the convex block, so that the solid salt above the convex block can smoothly flow into the branch pipe 4, avoiding the error in the determination of the remaining amount of the solid salt caused by the retention of the solid salt.

[0053] The salt box assembly has a brine preparation state and a brine pre - preparation state.

[0054] In the brine preparation state, the liquid level height in the box body 1 is higher than the bottom wall height of the salt storage box 2, so that water can contact the solid salt in the salt storage cavity 22 through the water - permeable holes 21, and the solid salt dissolves in the water to obtain saturated brine for the regeneration treatment of the resin.

[0055] In the brine pre - preparation state, the liquid level height in the box body 1 is lower than the bottom wall height of the salt storage box 2, and the solid salt in the salt storage cavity 22 will not dissolve in water. Since the resin regeneration treatment consumes the salt in the saturated brine, combined with operations such as changing the water in the box body 1, it can be ensured that when the resin regeneration treatment is not required, the water in the box body 1 is pure water or unsaturated brine with a low salt content, which not only avoids the accelerated corrosion of each component in a high - salt environment for a long time, but also avoids the salt analysis in the water to cause the phenomenon of salt creeping. When preparing for the resin regeneration treatment, water can be continuously added into the box body 1 to make the liquid level height higher than the bottom wall height of the salt storage box 2, so as to switch to the brine preparation state and complete the preparation of saturated brine.

[0056] It should be noted that the user can also set the salt box assembly to always be in the brine preparation state, so that there is always a large amount of saturated brine reserve in the box body 1, and the resin regeneration treatment can be carried out at any time. Compared with the setting method of switching between the brine preparation state and the brine pre - preparation state, both have their own advantages and disadvantages, and the specific setting method can be formulated according to actual needs.

[0057] In some embodiments, the water - permeable holes 21 do not allow solid salt to pass through, so that the solid salt in the salt storage cavity 22 can continuously diffuse downward when contacting with water, accelerating the dissolution process and improving the uniformity of the brine concentration.

[0058] In other embodiments, the aperture of the water permeable hole 21 is larger than the particle size of the solid salt, but a salt-blocking gauze is provided on the inner bottom wall of the salt storage box 2, which can prevent the solid salt from passing through the water permeable hole 21, and the aperture of the water permeable hole 21 is larger, which can increase the contact area between the solid salt and water and accelerate the dissolution process.

[0059] In some embodiments, the bottom surface of the salt storage box 2 is arc-shaped, specifically wave-shaped. By setting the arc-shaped bottom surface, more water-permeable holes 21 can be set on the bottom wall of the salt storage box 2, thereby accelerating the dissolution speed of the solid salt.

[0060] like Figures 1 to 3 As shown, in some embodiments, the salt box assembly further includes a salt distributor 6, which is connected to the end of the branch pipe 4 away from the main pipe 3, and has a tapered channel 61 that is narrow at the top and wide at the bottom. Specifically, the solid salt in the branch pipe 4 enters the salt storage chamber 22 through the tapered channel 61, which enables the solid salt to be more evenly laid in the salt storage chamber 22. Among them, the bottom of the tapered channel 61 can be in a circular ring shape or be adapted to the shape of the cross section of the corresponding salt storage chamber 22. The circular ring shape has the advantage of being easy to prepare, and being adapted to the shape of the cross section of the salt storage chamber 22 can further improve the uniformity of the laying of the solid salt.

[0061] Furthermore, there is a gap between the bottom of the salt distributor 6 and the inner bottom wall of the corresponding salt storage chamber 22, and the gap is smaller than the height of the corresponding salt storage chamber 22. By setting a gap between the bottom of the salt distributor 6 and the inner bottom wall of the corresponding salt storage chamber 22, the solid salt in the salt distributor 6 can escape from the limit of the salt distributor 6, and can diffuse to the surroundings during the falling process so as to be more evenly laid in the salt storage chamber 22. The gap between the bottom of the salt distributor 6 and the inner bottom wall of the corresponding salt storage chamber 22 will not be too large, so that when the salt water in the box 1 is saturated, the solid salt discharged from the salt distributor 6 can be retained between the salt distributor 6 and the bottom wall of the salt storage chamber 22, thereby preventing the solid salt in the salt distributor 6 from being further discharged.

[0062] In some embodiments, the salt box assembly further includes a cover plate 7, which can be detachably connected to the side wall of the box body 1, such as by snapping. The cover plate 7 is located above the liquid level in the box body 1, and the cover plate 7 fits the inner wall of the box body 1, so that the cover plate 7 can prevent the salt in the brine from being separated out and moved to the salt adding port 11 due to the salt climbing phenomenon, thereby avoiding affecting the user experience. Among them, a flexible pad can also be provided on the outer wall of the cover plate 7, which can make the cover plate 7 fit more closely with the inner wall of the box body 1, and can also play a role in reducing vibration and noise.

[0063] The main pipe 3 penetrates through the cover plate 7, and the main pipe 3 and the cover plate 7 can be integrally formed. A feeding port 32 is provided on the side wall of the main pipe 3. The part of the cover plate 7 penetrated by the main pipe 3 is recessed, and the height of the lowest point of the recess is the same as the bottom height of the feeding port 32. The top of the cover plate 7 can be used to store solid salt, thereby extending the salt addition cycle. As the solid salt in the main pipe 3 is gradually consumed, the solid salt above the cover plate 7 can enter the main pipe 3 through the feeding port 32 to compensate for the salt deficiency in the main pipe 3.

[0064] After the solid salt above the cover plate 7 and inside the main pipe 3 are both exhausted, the pressure value detected by the pressure detection member 5 is zero or close to zero. A control module and an indicator can be set. The pressure detection member 5 and the indicator are both connected to the control module. When the pressure value detected by the pressure detection member 5 is lower than a preset value, the indicator alarms to remind the user to replenish the solid salt. When the user replenishes salt through the salt addition port 11, it is okay whether the solid salt falls on the cover plate 7 or into the main pipe 3, which reduces the difficulty of salt replenishment. In addition, since there is still solid salt remaining in the branch pipe 4 and the salt distributor 6 after the salt in the main pipe 3 is exhausted, even if the user does not replenish the salt in time, the salt tank assembly can still prepare brine for a period of time. In the above, the indicator can be a light-emitting diode.

[0065] In some embodiments, a capacity scale is provided on the inner wall of the main pipe 3. After the solid salt on the cover plate 7 is exhausted, the user can roughly judge the remaining amount of the solid salt by observing the capacity scale.

[0066] As Figure 1 and Figure 3 shown, in some embodiments, the lower end of the main pipe 3 has a cavity, and a vibrating member 8 is provided in the cavity. The vibrating member 8 can be a vibrating motor, and the vibrating motor is connected to the control module. The vibration of the vibrating motor has the following effects: First, the vibration can make the solid salt above the cover plate 7 flow smoothly into the main pipe 3, so that the inclination degree of the top surface of the cover plate 7 does not need to be too large; Second, the vibration can make the solid salt in the main pipe 3, the branch pipe 4 and the salt distributor 6 flow smoothly, avoiding blockage due to the solid salt getting damp and caking; Third, when the salt distributor 6 vibrates when discharging solid salt into the salt storage cavity 22, it can make the salt spread more evenly; Fourth, the vibration can compact the solid salt in the main pipe 3, facilitating the user to understand the remaining amount of the solid salt in the main pipe 3 according to the capacity scale.

[0067] As Figures 5 to 8 shown, the present application also provides a water softener, which includes a resin tank 9, a salt valve assembly 10 and the salt tank assembly of any one of the above embodiments. The resin tank 9 is arranged inside the box body 1, and the salt valve assembly 10 penetrates through the salt storage box 2. The salt valve assembly 10 conducts resin regeneration treatment by introducing the brine in the box body 1 into the resin tank 9. The salt valve assembly 10 and the resin tank 9 are both conventional technologies and will not be elaborated here.

Claims

1. A salt box assembly, characterized in that, include: Box (1); A gap exists between the salt storage box (2) and the bottom wall of the box body (1), and a plurality of water permeable holes (21) are evenly arranged on the bottom of the salt storage box (2); A main pipe (3) having a closed lower end and a pressure detection component (5) disposed inside the lower end; the main pipe (3) is used to contain solid salt, and the solid salt is placed on the pressure detection component (5); a connecting hole (31) is disposed on a side wall of the main pipe (3); and the top height of the connecting hole (31) is higher than the top height of the pressure detection component (5); A branch pipe (4) has one end connected to the connecting pipe and the other end connected to the salt storage box (2).

2. The salt box assembly according to claim 1, wherein: The salt storage box (2) has a plurality of salt storage chambers (22), the branch pipes (4) are equal in number to the salt storage chambers (22) and correspond one to one, and the branch pipes (4) are in communication with the corresponding salt storage chambers (22).

3. The salt box assembly according to claim 1, wherein: The water permeable holes (21) do not allow solid salt to pass through; or, The diameter of the water permeable hole (21) is larger than the particle diameter of the solid salt, and a salt-blocking gauze is provided on the inner bottom wall of the salt storage box (2).

4. The salt box assembly according to claim 1, characterized in that: The salt box assembly has a salt water preparation state and a salt water pre-preparation state; In the salt water preparation state, the liquid level in the box (1) is higher than the bottom wall height of the salt storage box (2); In the salt water pre-preparation state, the liquid level in the box (1) is lower than the bottom wall height of the salt storage box (2), and the liquid in the box (1) is pure water or unsaturated salt water.

5. The salt box assembly according to claim 2, wherein: The salt box assembly further comprises a salt distributor (6), the salt distributor (6) being in communication with an end of the branch pipe (4) away from the main pipe (3), the salt distributor (6) having a tapered channel (61) which is narrow at the top and wide at the bottom.

6. The salt box assembly according to claim 5, wherein: There is a distance between the bottom of the salt distributor (6) and the inner bottom wall of the corresponding salt storage chamber (22), and the distance is smaller than the height of the corresponding salt storage chamber (22).

7. The salt box assembly according to claim 1, wherein: The salt box assembly also includes a vibrating member (8); The lower end of the main pipe (3) has a cavity, and the vibrating member (8) is arranged in the cavity; The inner wall of the main pipe (3) is provided with a capacity scale.

8. The salt box assembly according to claim 1, wherein: The salt box assembly further comprises a cover plate (7), wherein the cover plate (7) is located above the liquid level of the liquid in the box body (1), and the cover plate (7) is in contact with the inner wall of the box body (1); The main pipe (3) passes through the cover plate (7), a material adding port (32) is provided on the side wall of the main pipe (3), the portion of the cover plate (7) where the main pipe (3) passes through is concave, and the height of the lowest point of the concave portion is consistent with the height of the bottom of the material adding port (32); The top of the cover plate (7) is used to store solid salt.

9. The salt box assembly according to claim 1, wherein: The bottom surface of the salt storage box (2) is arc-shaped.

10. A water softener, characterized in that, A salt box assembly comprising any one of claims 1-9.

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