CN220572007U - Cold tank system and water dispenser - Google Patents

Abstract

The application provides a cold tank system and a water dispenser, wherein the cold tank system comprises a cold tank, a flow dividing disc and a filtering assembly, a first cavity is formed in the cold tank, and a cold tank water inlet is formed in the cold tank; the flow distribution disc is arranged in the first cavity, a first water storage area is formed in the flow distribution disc, and a second water storage area is formed between the flow distribution disc and the cold tank; the filter assembly comprises a filter element, wherein the filter element is arranged in the first water storage area and divides the first water storage area into a pre-filter cavity and a post-filter cavity, the pre-filter cavity is communicated with the water inlet of the cold tank, and the post-filter cavity is communicated with the second water storage area. The filter element sets up in first water storage district in this application, has guaranteed that the user drinks the water in first water storage district or the second water storage district and all is the water after the filter element filters, has solved the not good problem of drinking water taste in the cold jar, promotes user experience, can also effectively prevent the hyperplasia of bacterium simultaneously, has avoided user to infect the disease.

Description

Cold tank system and water dispenser

Technical Field

The application relates to the technical field of drinking water equipment, in particular to a cold tank system and a drinking water machine.

Background

Along with the continuous improvement of the living standard of people, the drinking water concept of people changes, and various drinking water machines gradually enter offices and families, so that the drinking water machines become necessary electrical equipment for normal life of people.

In the related art, the inside of a cold tank of the water dispenser is divided into a warm water area and a cold water area by a flow distribution disc, the warm water area is positioned on the upper side of the cold water area, an external water source (such as barreled water) firstly flows into the warm water area from the top of the cold tank, then enters the cold water area from a gap between the flow distribution disc and the inner wall of the cold tank, bacteria can be bred after the external water source is stored for a long time, and the problems of poor taste, even disease initiation and the like can occur after the user drinks the warm water and the cold water in the cold tank, so that the user experience is influenced.

Disclosure of Invention

The utility model provides a cold tank system, which aims to solve the technical problem that a water source in the cold tank system in the prior art is poor in taste.

In order to achieve the above purpose, the cold tank system provided by the application comprises a cold tank, a flow dividing disc and a filtering assembly, wherein a first cavity is formed in the cold tank, and a cold tank water inlet is formed in the cold tank; the flow distribution disc is arranged in the first cavity, a first water storage area is formed in the flow distribution disc, and a second water storage area is formed between the flow distribution disc and the cold tank; the filter assembly comprises a filter element, wherein the filter element is arranged in the first water storage area and divides the first water storage area into a pre-filter cavity and a post-filter cavity, the pre-filter cavity is communicated with the water inlet of the cold tank, and the post-filter cavity is communicated with the second water storage area.

Optionally, in an embodiment, the filter assembly further includes a filter element cover, the filter element cover is sleeved at one end of the filter element close to the water inlet of the cold tank, a water inlet channel and a water outlet channel which are independent of each other are arranged in the filter element cover, the water inlet channel is communicated with the water inlet of the cold tank and the pre-filtering cavity, and the water outlet channel is communicated with the post-filtering cavity and the second water storage area.

Optionally, in an embodiment, the filter element cover includes a first cover body and a second cover body, the second cover body is installed the first cover body is facing away from one side of cold tank water inlet, just the second cover body with enclose between the first cover body and be formed with the second cavity, be equipped with the division board in the second cavity, the division board is used for with the second cavity is divided into the water inlet channel with go out the water channel.

Optionally, in an embodiment, the second cover includes a side plate and a bottom plate located in the side plate and connected to the side plate, a second water inlet and a first water outlet are provided on the bottom plate, and a second water outlet is provided on the side plate; the first cover body is provided with a first water inlet, the water inlet channel is communicated with the first water inlet and the first water outlet, and the water outlet channel is communicated with the second water inlet and the second water outlet.

Optionally, in an embodiment, the filter element is a filter element, the filter element is a cylindrical arrangement, one end of the filter element is abutted to the bottom wall of the diverter tray, and the other end of the filter element is abutted to the filter element cover.

Optionally, in an embodiment, a first partition plate is disposed at an end of the diverter tray near the water inlet of the cold tank, and the first partition plate extends circumferentially towards the inner wall of the cold tank; the first partition board is provided with a second partition board, the second partition board surrounds the first water storage area, a third water storage area is formed between the second partition board and the filter element cover, and the third water storage area is used for storing water flowing in from the water inlet of the cold tank and is fed into the pre-filter cavity through the water inlet channel.

Optionally, in an embodiment, a water through hole is formed in the second partition board, a support arm extending towards the water through hole is arranged on the peripheral wall of the filter element cover, the inside of the support arm is hollow, one end of the support arm is communicated with the water outlet channel, and the other end of the support arm is communicated with the water through hole.

Optionally, in an embodiment, a sealing element extending towards one side of the water inlet of the cold tank is arranged at an end of the support arm, a first step part is respectively arranged at two sides of the sealing element, a second step part is respectively arranged at two sides of the water inlet, and the first step part is matched with the spigot of the second step part.

Optionally, in an embodiment, a check valve is disposed in the support arm or a check valve is disposed in the water outlet channel.

Optionally, in an embodiment, the second partition plate is configured with a plurality of water through holes, the number of the support arms is the same as that of the water through holes, and the plurality of support arms are in one-to-one correspondence with the plurality of water through holes.

Optionally, in an embodiment, the filter assembly includes a sealing ring, an annular groove is disposed on a peripheral surface of the filter core cover, and the sealing ring is installed in the annular groove and abuts against an inner wall of the diverter disc.

The application also provides a water dispenser, which comprises the cold tank system.

The cold tank system that this application provided is formed with first water storage area in the flow distribution plate, be formed with the second water storage area between flow distribution plate and the cold tank, through setting up the filter element in first water storage area, the filter element can filter the water that gets into first water storage area from the cold tank water inlet, the water after filtering can be stored at the back intracavity of straining and carry to the second water storage area, thereby guarantee that the user drinks the water in first water storage area or the second water storage area and all be the water after the filter element filters, drinking water taste poor problem in the cold tank has been solved, promote user experience, simultaneously can also effectively prevent the hyperplasia of bacterium, user's infection disease has been avoided.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained from the structures shown in these drawings without inventive effort to a person of ordinary skill in the art.

FIG. 1 is a schematic cross-sectional view of a part of a cold tank system provided by the present application;

FIG. 2 is a schematic cross-sectional view of a cold tank system provided herein;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an exploded schematic view of the cold tank system provided herein;

FIG. 5 is a schematic structural view of a diverter tray provided herein;

FIG. 6 is a schematic structural view of a cartridge cover provided herein;

FIG. 7 is a schematic cross-sectional view of a cartridge cover provided herein;

fig. 8 is a schematic structural view of the first cover provided in the present application;

fig. 9 is a schematic structural view of a second cover provided in the present application;

FIG. 10 is a schematic diagram of a cold tank system provided herein;

FIG. 11 is a partial enlarged view at B in FIG. 10;

fig. 12 is a schematic view of a filter element cover according to another embodiment of the present disclosure.

Reference numerals illustrate:

the realization, functional characteristics and advantages of the present application will be further described with reference to the embodiments, referring to the attached drawings.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

The embodiment of the application provides a cold tank system to solve the not good technical problem of water source taste in the cold tank system of prior art. The following description will be made with reference to the accompanying drawings.

In the embodiment of the application, as shown in fig. 1-4, the cold tank system comprises a cold tank 10, a flow dividing disc 20 and a filtering assembly 30, wherein a first chamber 11 is formed in the cold tank 10, and a cold tank water inlet 12 is formed in the cold tank 10; the diverter tray 20 is installed in the first chamber 11, a first water storage area 21 is formed in the diverter tray 20, and a second water storage area 111 is formed between the diverter tray 20 and the cold tank 10; the filter assembly 30 comprises a filter element 31, wherein the filter element 31 is arranged in the first water storage area 21 and divides the first water storage area 21 into a pre-filter cavity 211 and a post-filter cavity 212, the pre-filter cavity 211 is communicated with the cold tank water inlet 12, and the post-filter cavity 212 is communicated with the second water storage area 111.

The first water storage area 21 is used to store warm water, and the second water storage area 111 is used to store cold water, and the warm water, cold water and hot water mentioned in this embodiment are merely descriptions of the relative changes of the water temperature introduced for understanding the scheme, and are not limitations on the specific temperature of the water temperature. The warm water is raw water flowing into the first chamber 11 from the cold tank water inlet 12, and the temperature of the warm water is usually the temperature obtained naturally by placing the water in the use environment. Whereas cold water refers to water cooled by warm water (i.e., the temperature of the cold water is lower than that of the warm water), and hot water refers to water heated by warm water (i.e., the temperature of the hot water is higher than that of the warm water). In practical products, each water dispenser can be provided with a temperature mode matched with the water dispenser, for example, in a specific example, warm water refers to water with water temperature of normal temperature, cold water refers to water with water temperature of about 5 ℃, and hot water refers to water with water temperature of 95-100 ℃.

It should be noted that, in the water dispenser in the prior art, the flow distribution disc is in a flat plate structure, the flow distribution disc is used for dividing the interior of the cold tank into a warm water area and a cold water area, the warm water area is located at the upper side of the cold water area, an external water source (such as barreled water) firstly flows into the warm water area from the top of the cold tank, then enters the cold water area from a gap between the flow distribution disc and the inner wall of the cold tank, bacteria can be bred after the external water source is stored for a long time, and when a user drinks warm water and cold water in the cold tank, the problems of poor taste, even disease initiation and the like can occur, so that the user experience is affected.

To this end, the cold tank system that this application provided is formed with first water storage area 21 in flow distribution plate 20, be formed with second water storage area 111 between flow distribution plate 20 and the cold tank 10, through setting up filter 31 in first water storage area 21, filter 31 can filter the water that gets into in the first water storage area 21 from cold tank water inlet 12, the water after the filtration can be stored in the post-filtration chamber 212 and carry to second water storage area 111, thereby guarantee that the user drinks the water in first water storage area 21 or the second water storage area 111 and all be the water after the filter 31 filters, the poor problem of drinking water taste in the cold tank 10 has been solved, promote user experience, the hyperplasia of bacterium has also effectively been prevented simultaneously, user's infectious disease has been avoided.

Specifically, referring to fig. 1 and 2, in the present embodiment, the cold tank 10 has a cylindrical shape, one end of the cold tank 10 is opened, and a cylindrical first chamber 11 is formed inside the cold tank 10; the diverter tray 20 has a generally cylindrical shape, and the diverter tray 20 is provided with an open end and defines a generally cylindrical first water storage area 21 therein. The outside diameter of the diverter tray 20 is smaller than the inside diameter of the cold tank 10, the diverter tray 20 is installed into the first chamber 11 through the open end of the cold tank 10, and the open end of the diverter tray 20 is located at the same end as the open end of the cold tank 10, and an external water source (e.g., water in a potable water bucket) flows into the first water storage zone 21 through the open end of the diverter tray 20.

With continued reference to fig. 1 and 2, the bottom of the cold tank 10 is further provided with a first water outlet pipe 13 and a second water outlet pipe 14, the first water outlet pipe 13 is communicated with the filtered cavity 212, the second water outlet pipe 14 is communicated with the second water storage area 111, the first water outlet pipe 13 may further include a first branch and a second branch, the first branch is used for providing warm water for a user, the second branch is used for communicating with a hot tank (not shown), so as to send the filtered warm water into the hot tank for heating, thereby ensuring that cold water, warm water and hot water taken out from the water dispenser are all water filtered by the filter 31, effectively preventing bacterial proliferation, avoiding user infection diseases, improving taste of the drinking water, and improving user experience.

Referring to fig. 2, an evaporator 15 is provided at the outer circumferential wall of the cooling tank 10, and the evaporator 15 is used for exchanging heat with the warm water flowing into the second water storage area 111 from the first water storage area 21 to cool the warm water into cold water. Since the warm water is located in the diverter tray 20 in this embodiment, the height of the evaporator 15 is in direct proportion to the height of the diverter tray 20, i.e., the closer the open end of the diverter tray 20 is to the top of the cold tank 10, the higher the evaporator 15 can be correspondingly disposed.

Compared with the prior art that warm water and cold water are distributed up and down in the cold tank 10, in this embodiment, by arranging the first water storage area 21 for storing warm water in the diverter tray 20, the height of the second water storage area 111 can be increased by at least 40% under the condition that the volumes of the first water storage area 21 and the second water storage area 111 are unchanged, accordingly, the heat exchange area between the evaporator 15 and the second water storage area 111 is increased by at least 40%, the refrigeration efficiency of the cold tank system is effectively improved, and the speed of cold water of the drinking water mechanism is accelerated.

In order to reduce the power consumption of the water dispenser, the start and stop of the evaporator 15 are determined by the water temperature change in the second water storage area 111, specifically, a temperature sensor 16 is further provided in the second water storage area 111 to detect the temperature of cold water in the second water storage area 111, and when the water temperature in the second water storage area 111 is reduced to a first preset temperature, the evaporator 15 stops working; when the water temperature in the second water storage area 111 rises to the second preset temperature, the evaporator 15 is restarted.

In other embodiments of the present application, the cooling tank 10 and the diverter tray 20 may be configured in other shapes, for example, the cooling tank 10 may be in an elliptical cylinder shape, a polygonal prism shape, etc., the interior of the cooling tank 10 may also form the first chamber 11 in an elliptical shape or a polygonal shape, and the diverter tray 20 may also be in the above shape, which only needs to ensure that the diverter tray 20 can form the first water storage area 21 for storing warm water.

Further, referring to fig. 1, the diverter tray 20 is coaxially disposed with the cold tank 10, so that the distance between the outer wall of the diverter tray 20 and the inner wall of the cold tank 10 is consistent, so that the heat exchange between the evaporator 15 and the water in the second water storage area 111 is more uniform, and the refrigeration efficiency of the evaporator 15 is further improved.

Optionally, in an embodiment, referring to fig. 2, 6 and 7, the filter assembly 30 further includes a filter element cover 32, the filter element cover 32 is sleeved on one end of the filter element 31 near the cold tank water inlet 12, a water inlet channel 323a and a water outlet channel 323b which are independent from each other are disposed in the filter element cover 32, the water inlet channel 323a is communicated with the cold tank water inlet 12 and the pre-filtering cavity 211, and the water outlet channel 323b is communicated with the post-filtering cavity 212 and the second water storage area 111.

Specifically, the filter core cover 32 is fixed at the open end of the diverter tray 20, and by arranging the mutually independent water inlet channel 323a and water outlet channel 323b in the filter core cover 32, it can be ensured that the water source entering from the cold tank water inlet 12 enters the pre-filtration cavity 211 through the water inlet channel 323a, and the water source in the post-filtration cavity 212 can flow into the second water storage area 111 through the water outlet channel 323b, so as to effectively prevent unfiltered warm water and filtered warm water from being mixed.

Further, referring to fig. 6-9, the filter cover 32 includes a first cover 321 and a second cover 322, the second cover 322 is mounted on a side of the first cover 321 facing away from the cold tank water inlet 12, a second chamber 323 is formed by enclosing the second cover 322 and the first cover 321, a partition plate 3231 is disposed in the second chamber 323, and the partition plate 3231 is used for dividing the second chamber 323 into a water inlet channel 323a and a water outlet channel 323b.

Referring to fig. 7, after the first cover 321 and the second cover 322 are fixed, the inner peripheral wall of the first cover 321 and the inner peripheral wall of the second cover 322 enclose together to form a second chamber 323, wherein the partition plate 3231 is annular, the inner peripheral wall of the partition plate 3231 forms a water inlet channel 323a, and the outer peripheral wall of the partition plate 3231 and the inner peripheral wall of the second chamber 323 form a water outlet channel 323b.

In this embodiment, the separation plate 3231 may be disposed on the first cover 321, and when the first cover 321 is assembled with the second cover 322, a side of the separation plate 3231 away from the first cover 321 abuts against the second cover 322, so as to separate the second chamber 323 into the water inlet channel 323a and the water outlet channel 323b.

Referring to fig. 7, in order to improve the water inlet efficiency of the pre-filter cavity 211, in this embodiment, a plurality of separation plates 3231 are disposed in the second chamber 323, and a water inlet channel 323a is formed in each separation plate 3231.

In order to improve the production efficiency, the first cover 321 and the second cover 322 may be provided as an integral structure.

Still further, referring to fig. 6-9, the second cover 322 includes a side plate 3221 and a bottom plate 3222 disposed in the side plate 3221 and connected to the side plate 3221, the bottom plate 3222 is provided with a second water inlet 3223 and a first water outlet 3224, and the side plate 3221 is provided with a second water outlet 3225; the first cover 321 is provided with a first water inlet 3211, a water inlet channel 323a is communicated with the first water inlet 3211 and a first water outlet 3224, and a water outlet channel 323b is communicated with a second water inlet 3223 and a second water outlet 3225.

The side plate 3221 is in an annular arrangement, the bottom plate 3222 is installed at the middle position of the side plate 3221, and the second water outlet 3225 is located at one end of the side plate 3221, which is close to the first cover 321. In this embodiment, the water source entering from the cold tank water inlet 12 enters the water inlet channel 323a through the first water inlet 3211 and then flows into the pre-filtration cavity 211 through the first water outlet 3224, the filter 31 is used for filtering the water in the pre-filtration cavity 211 and storing the water in the post-filtration cavity 212, when the water level in the post-filtration cavity 212 continuously rises along with the rising of the water level in the post-filtration cavity 212, the filtered water enters the water outlet channel 323b through the second water inlet 3223 and then flows into the second water storage area 111 through the second water outlet 3225, so as to ensure that the water in the second water storage area 111 is the water filtered by the filter 31.

Alternatively, in an embodiment, referring to fig. 2-4, the filter member 31 is a filter element, which is disposed in a cylindrical shape, one end of the filter element abuts against the bottom wall of the diverter tray 20, and the other end of the filter element abuts against the filter element cover 32.

Specifically, the inner peripheral wall of the diverter disc 20 encloses and closes to form cylindric first water storage area 21, and the filter core sets up with the diverter disc 20 is coaxial, and the outer peripheral wall of filter core encloses and closes with the inner peripheral wall of diverter disc 20 and forms the filtration chamber 211, and the inner peripheral wall of filter core constitutes the post-filtration chamber 212. Because the filter core is cylindric, its top and bottom all have the opening, the top and the filter core lid 32 butt of filter core, and the opening and the second water inlet 3223 intercommunication at filter core top, the bottom and the diapire butt of flow distribution disc 20 of filter core, and the opening and the first outlet pipe 13 intercommunication of filter core bottom to in will passing through the warm water after filtering and send second water storage area 111 and first outlet pipe 13, guarantee that the cold water and the warm water that the user got from the water dispenser are the water purification after filtering.

In this embodiment, the filter element may adopt a unidirectional filter element, so that water in the first water storage area 21 can only flow from the pre-filtration cavity 211 to the post-filtration cavity 212, but cannot flow from the post-filtration cavity 212 to the pre-filtration cavity 211, thereby improving the efficiency of purifying water by the filter element.

Alternatively, in one embodiment, referring to fig. 2 and 5, a first partition 22 is disposed at an end of the diverter tray 20 near the cold tank water inlet 12, and the first partition 22 extends circumferentially toward the inner wall of the cold tank 10; the first partition 22 is provided with a second partition 23, the second partition 23 is disposed around the first water storage area 21 and a third water storage area 112 is formed between the second partition 23 and the cartridge cover 32, and the third water storage area 112 is used for storing water flowing in from the cold tank water inlet 12 and delivering the water into the pre-filter cavity 211 through a water inlet channel 323a.

Specifically, the third water storage area 112 is configured to store unfiltered warm water, and when the water level in the pre-filtration chamber 211 decreases, the third water storage area 112 can timely supplement water to the pre-filtration chamber 211. The filter core cover 32 is partially overlapped on the first partition board 22 so that the second water outlet 3225 is positioned on the upper side of the first partition board 22, when a user takes cold water to lower the water level in the second water storage area 111, the first water storage area 21 supplements water to the second water storage area 111 through the water outlet channel 323b, water in the first water storage area 21 can be prevented from being impacted greatly to water in the second water storage area 111 when supplementing the water in the second water storage area 111 due to the height difference through the arrangement of the first partition board 22, and then the water temperature in the second water storage area 111 is increased to a second preset temperature, so that the heat exchanger is frequently started and stopped, and the service life of the water dispenser is influenced.

In the second water storage area 111, the upper side of the first baffle 22 is a mixed water area, the lower side of the first baffle 22 is a cold water area, a water supplementing port for communicating the mixed water area and the cold water area is arranged between the first baffle 22 and the inner peripheral wall of the cold tank 10, the temperature sensor 16 is arranged in the cold water area, the effect of buffering water flow is effectively achieved through the arrangement of the first baffle 22, and the large temperature fluctuation of water in the cold water area is avoided.

Alternatively, in an embodiment, referring to fig. 5-8, the second partition 23 is provided with a water through hole 231, the outer peripheral wall of the filter element cover 32 is provided with a support arm 324 extending towards the water through hole 231, the interior of the support arm 324 is hollow, one end of the support arm 324 is communicated with the water outlet channel 323b, and the other end of the support arm 324 is communicated with the water through hole 231.

It will be appreciated that, since the height of the cartridge cover 32 is lower than the height of the second partition 23, that is, the cartridge cover 32 is located at the lower side of the second partition 23, the water supply of the water outlet channel 323b into the second water storage area 111 is facilitated by providing the water through-holes 231. Meanwhile, as the second partition 23 surrounds the periphery of the filter element cover 32, a space is reserved between the second water outlet 3225 and the water through hole 231, and the second water outlet 3225 and the water through hole 231 can be communicated through the support arm 324, so that water in the filtered cavity 212 can be conveniently supplemented to the second water storage area 111 through the water outlet channel 323b.

Specifically, referring to fig. 5 and 6, the support arm 324 is provided with a three-sided ring, when the filter element cover 32 is assembled with the diverter tray 20, the bottom surface of the support arm 324 (i.e. the open end of the support arm 324) is matched with the first partition 22, so as to form a complete channel structure, one end of the channel structure is communicated with the second water outlet 3225, the other end is communicated with the water through port 231, and further water is supplemented to the second water storage area 111.

Optionally, in an embodiment, referring to fig. 10 and 11, the end of the support arm 324 is provided with a sealing member 325 extending towards one side of the cold tank water inlet 12, two sides of the sealing member 325 are respectively provided with a first step portion 3251, two sides of the water through hole 231 are respectively provided with a second step portion 2311, and the first step portion 3251 is matched with a spigot of the second step portion 2311.

It will be appreciated that when the height of the support arm 324 is lower than the height of the second partition 23, the second water storage area 111 and the third water storage area 112 will be in communication with each other on the upper side of the support arm 324, for this purpose, the sealing member 325 is disposed vertically to the support arm 324 by disposing the sealing member 325 on the upper side of the support arm 324, so that the sealing member 325 is utilized to seal the area of the water through hole 231 above the support arm 324, thereby preventing the third water storage area 112 and the water in the second water storage area 111 from mixing, and preventing unfiltered warm water from directly entering the second water storage area 111.

In this embodiment, the first step portion 3251 is matched with the spigot of the second step portion 2311, so that the third water storage area 112 and the second water storage area 111 are effectively prevented from being mixed, and the sealing effect is better.

Alternatively, in one embodiment, referring to fig. 12, the arm 324 is provided with a check valve 33 or the water outlet channel 323b is provided with a check valve 33.

Through setting up check valve 33 for supply the one-way moisturizing of water in the back chamber 212 to in the second water storage area 111, when the water level in the first water storage area 21 descends, can prevent effectively that the water in the second water storage area 111 from flowing backwards to in the back chamber 212, thereby lead to the temperature in the back chamber 212 to reduce, influence user experience.

In this embodiment, referring to fig. 12, the check valve 33 includes a first arc 331, a second arc 332 and a mounting ring 333, the mounting ring 333 is fixed in the filter cover 32, the first arc 331 and the second arc 332 are both fixed on the mounting ring 333, and the first arc 331 and the second arc 332 are both located in the support arm 324. Because the ends of the first arc body 331 and the second arc body 332, which are far away from the mounting ring 333, are arc-shaped and are arranged oppositely, when a user takes cold water to cause the water level in the second water storage area 111 to drop, water in the water outlet channel 323b flows from the inner sides of the first arc body 331 and the second arc body 332 to the outer sides of the first arc body 331 and the second arc body 332, so that the one-way valve 33 is opened under the action of water flow; after the user takes warm water to lower the water level in the first water storage area 21, the water in the second water storage area 111 flows from the outer sides of the first arc 331 and the second arc 332 to the inner sides of the first arc 331 and the second arc 332, so that the check valve 33 is closed under the action of water flow.

In other embodiments of the present application, the check valve 33 may also adopt a structure such as a solenoid valve, a ball cock, etc., which are prior art in the field and will not be described herein.

Optionally, in an embodiment, referring to fig. 5 and fig. 6, a plurality of water through holes 231 are configured on the second partition 23, the number of the support arms 324 is the same as the number of the water through holes 231, and the plurality of support arms 324 are disposed in a one-to-one correspondence with the plurality of water through holes 231. By arranging the water through holes 231, the speed of water replenishing in the second water storage area 111 can be improved, the working time of the heat exchanger is reduced, and the energy consumption is saved.

Alternatively, in one embodiment, referring to fig. 3 and 4, the filter assembly 30 includes a seal ring 34, and the peripheral surface of the cartridge cover 32 is provided with an annular groove 326, and the seal ring 34 is mounted in the annular groove 326 and abuts against the inner wall of the diverter tray 20.

Specifically, the sealing ring 34 may be made of rubber or other materials, and the sealing ring 34 is clamped into the annular groove 326, so that the sealing ring 34 is more stable to fix, the sealing ring 34 is prevented from falling off from the filter core cover 32, the sealing ring 34 plays a good sealing effect when fixing the filter core cover 32, and warm water in the pre-filter cavity 211 is prevented from directly rushing into the second water storage area 111 from a gap between the sealing cover and the flow distribution disc 20.

The embodiment of the application also provides a water dispenser, which comprises a cold tank system, and the specific structure of the cold tank system refers to the embodiment, and because the water dispenser adopts all the technical schemes of all the embodiments, the water dispenser at least has all the beneficial effects brought by the technical schemes of the embodiments, and the description is omitted herein.

In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments. In the description of the present application, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more features.

The foregoing has described in detail the cold tank system provided by the embodiments of the present application, and specific examples have been employed herein to illustrate the principles and embodiments of the present application, the above examples being provided only to assist in understanding the methods of the present application and the core ideas thereof; meanwhile, as those skilled in the art will vary in the specific embodiments and application scope according to the ideas of the present application, the contents of the present specification should not be construed as limiting the present application in summary.

Claims (12)

1. A cold tank system, comprising:

the cold tank is internally provided with a first cavity, and a cold tank water inlet is formed in the cold tank;

the diverter disc is arranged in the first cavity, a first water storage area is formed in the diverter disc, and a second water storage area is formed between the diverter disc and the cold tank;

the filter assembly comprises a filter element, wherein the filter element is arranged in the first water storage area and divides the first water storage area into a pre-filter cavity and a post-filter cavity, the pre-filter cavity is communicated with the water inlet of the cold tank, and the post-filter cavity is communicated with the second water storage area.

2. The cold tank system of claim 1, wherein the filter assembly further comprises a filter element cover, the filter element cover is sleeved at one end of the filter element close to the cold tank water inlet, a water inlet channel and a water outlet channel which are mutually independent are arranged in the filter element cover, the water inlet channel is communicated with the cold tank water inlet and the pre-filter cavity, and the water outlet channel is communicated with the post-filter cavity and the second water storage area.

3. The cold tank system of claim 2, wherein the filter element cover comprises a first cover body and a second cover body, the second cover body is arranged on one side of the first cover body, which is away from the water inlet of the cold tank, a second chamber is formed by enclosing the second cover body and the first cover body, a partition plate is arranged in the second chamber, and the partition plate is used for partitioning the second chamber into the water inlet channel and the water outlet channel.

4. The cold tank system of claim 3, wherein the second cover comprises a side plate and a bottom plate positioned in the side plate and connected with the side plate, a second water inlet and a first water outlet are arranged on the bottom plate, and a second water outlet is arranged on the side plate;

the first cover body is provided with a first water inlet, the water inlet channel is communicated with the first water inlet and the first water outlet, and the water outlet channel is communicated with the second water inlet and the second water outlet.

5. The cold tank system of claim 2, wherein the filter element is a filter element, the filter element is cylindrically configured, one end of the filter element is in abutment with the bottom wall of the diverter tray, and the other end of the filter element is in abutment with the filter element cover.

6. The cold tank system of claim 2, wherein a first baffle is provided at an end of the diverter tray adjacent the cold tank water inlet, the first baffle extending circumferentially toward an inner wall of the cold tank;

the first partition board is provided with a second partition board, the second partition board surrounds the first water storage area, a third water storage area is formed between the second partition board and the filter element cover, and the third water storage area is used for storing water flowing in from the water inlet of the cold tank and is fed into the pre-filter cavity through the water inlet channel.

7. The cold tank system of claim 6, wherein the second partition plate is provided with a water through hole, the outer peripheral wall of the filter element cover is provided with a support arm extending towards the water through hole, the interior of the support arm is hollow, one end of the support arm is communicated with the water outlet channel, and the other end of the support arm is communicated with the water through hole.

8. The cold tank system of claim 7, wherein the end of the support arm is provided with a sealing member extending towards one side of the cold tank water inlet, two sides of the sealing member are respectively provided with a first step part, two sides of the water through hole are respectively provided with a second step part, and the first step part is matched with the spigot of the second step part.

9. The cooling tank system according to claim 7, wherein a one-way valve is provided in the support arm or a one-way valve is provided in the water outlet channel.

10. The cooling tank system according to claim 7, wherein a plurality of water through holes are arranged on the second partition board, the number of the support arms is the same as that of the water through holes, and the plurality of support arms are arranged in one-to-one correspondence with the plurality of water through holes.

11. The cold tank system of claim 2, wherein the filter assembly comprises a seal ring, the peripheral surface of the cartridge cover is provided with an annular groove, and the seal ring is mounted in the annular groove and abuts against the inner wall of the diverter tray.

12. A water dispenser comprising a cold tank system as claimed in any one of claims 1 to 11.