CN219713783U - Water supply system and refrigerator - Google Patents

Abstract

The utility model discloses a water supply system and a refrigerator, wherein the water supply system comprises a water tank, a first pipeline, a first water pump, a second pipeline and a second water pump, when a user uses the water dispenser, the first water pump can pump water in the water tank out through a first water inlet pipe and then convey the water to the water dispenser for the user to use through a first water outlet pipe, when the ice maker needs to supply water for making ice, the second water pump can pump water in the water tank out through a second water inlet pipe and then convey the water to the ice maker for making ice through a second water outlet pipe, and as the water dispenser and the ice maker supply water through the respective water pumps and pipelines, the water dispenser and the ice maker do not interfere with each other, the water supply pressure can be ensured, the water supply stability of the water supply system is effectively improved, and the problem that water supply is unstable when only one water pump is adopted for supplying water in the prior art is solved.

Description

Water supply system and refrigerator

Technical Field

The utility model relates to the technical field of household appliances, in particular to a water supply system and a refrigerator.

Background

In the related art, a part of refrigerators are provided with a water dispenser and an ice maker, the refrigerators supply water to the water dispenser and the ice maker through a water supply system, and the water supply system adopts a combined structure of a single pump and a one-inlet and two-outlet valve so as to supply water to the water dispenser and the ice maker through a single water pump. However, because the pipeline of the water supply system needs to bypass the foam layer at the bottom of the refrigerator and can convey water to the ice machine and the water dispenser through the bottom hinge of the door body, the pipeline of the water supply system is more in winding, the pipeline has high water conveying resistance, and the pipelines of the water dispenser and the ice machine can interfere with each other, so that water supply is unstable, and even the phenomenon that water cannot be pumped out to the water dispenser and the ice machine occurs, and the normal work of the water dispenser and the ice machine is influenced.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a water supply system which can improve the stability of water supply.

The utility model also provides a refrigerator with the water supply system.

A water supply system according to an embodiment of the first aspect of the present utility model for supplying water to a water dispenser and an ice maker, includes:

a water tank;

a first pipe comprising a first inlet pipe and a first outlet pipe;

the first water pump is provided with a first water inlet end and a first water outlet end, the first water inlet end is connected with the water tank through the first water inlet pipe, and the first water outlet end is connected with the water dispenser through the first water outlet pipe;

the second pipeline comprises a second water inlet pipe and a second water outlet pipe;

the second water pump is provided with a second water inlet end and a second water outlet end, the second water inlet end is connected with the water tank through the second water inlet pipe, and the second water outlet end is connected with the ice machine through the second water outlet pipe.

The water supply system according to the embodiment of the first aspect of the utility model has at least the following beneficial effects:

the water supply system is provided with the first water pump and the second water pump, when a user uses the water dispenser, the first water pump can pump out water in the water tank through the first water inlet pipe, and then the water is conveyed to the water dispenser through the first water outlet pipe for use by the user, when the ice maker needs to supply water for making ice, the second water pump can pump out the water in the water tank through the second water inlet pipe, and then the water is conveyed to the ice maker through the second water outlet pipe for making ice, because the water dispenser and the ice maker supply water through respective water pumps and pipelines respectively, the water supply pressure can be ensured, the water supply stability of the water supply system is effectively improved, and the problem that water supply instability is easily caused when only one water pump is adopted for supplying water in the prior art is solved.

According to some embodiments of the utility model, the water supply system further comprises a shut-off valve mounted to the first outlet pipe between the first water pump and the water dispenser.

According to some embodiments of the utility model, the first water pump and/or the second water pump is provided with a back-pumping function capable of delivering water in the pipe back to the tank.

According to some embodiments of the utility model, the water tank is provided with two water suction pipes, the two water suction pipes are connected with the first water inlet pipe and the second water inlet pipe one by one, and the water suction pipes extend into the bottom of the water tank from the upper end of the water tank.

According to some embodiments of the utility model, the water supply system further comprises a mounting bracket, the water tank being removably mounted to the mounting bracket.

According to some embodiments of the utility model, the mounting frame has a bottom plate and a side plate, the side plate is vertically connected to one end of the bottom plate, the first water pump and the second water pump are mounted on the side plate, the bottom plate is provided with a clamping interface, and the water tank is provided with a clamping block matched with the clamping interface.

According to some embodiments of the utility model, the water supply system further comprises a position detector for detecting a mounting position of the water tank, the position detector being mounted to the side plate.

According to some embodiments of the utility model, the base plate is provided with one of a protruding portion and a recessed portion, the bottom of the water tank is provided with the other of the protruding portion and the recessed portion, and the water tank is mounted to the base plate such that the water tank can trigger the position detector when the protruding portion is clamped to the recessed portion.

The refrigerator comprises a refrigerator body, a water dispenser, an ice maker and a water supply system according to the embodiment of the second aspect of the utility model, wherein the refrigerator body is provided with a refrigerating chamber, the water tank is arranged in the refrigerating chamber, the first water pump is connected with the water dispenser through the first water outlet pipe, and the second water pump is connected with the ice maker through the second water outlet pipe.

The refrigerator according to the embodiment of the second aspect of the utility model has at least the following beneficial effects:

the water supply system of the refrigerator is provided with the first water pump and the second water pump, when a user uses the water dispenser, the first water pump can pump water in the water tank out through the first water inlet pipe, and then the water is conveyed to the water dispenser through the first water outlet pipe for the user to use.

According to some embodiments of the utility model, the first outlet pipe is further provided with a shut-off valve, which is arranged in the refrigerating chamber.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

Additional aspects and advantages of the present utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a schematic diagram of a water supply system according to some embodiments of the present utility model;

fig. 2 is a schematic structural view of a water tank body of a water supply system according to some embodiments of the present utility model;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a schematic view of the structure of a mounting bracket of a water supply system according to some embodiments of the present utility model;

FIG. 5 is an enlarged view at B in FIG. 4;

fig. 6 is a schematic structural view of a refrigerator according to some embodiments of the present utility model (a case is omitted).

The reference numerals are as follows:

a water tank 100; a tank body 110; a clamping block 111; a concave portion 112; a cover 120; a water supplementing port 121; a water replenishment cover 130; suction tube 140;

a first water pump 200; a first water inlet end 210; a first inlet pipe 220; a first outlet pipe 230;

a second water pump 300; a second water inlet end 310; a second inlet pipe 320; a second outlet pipe 330;

a control valve 400;

a mounting frame 500; a bottom plate 510; a boss 511; a side plate 520; a position detector 530;

a shelf 600;

a water dispenser 700;

ice maker 800.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the description of the first and second is only for the purpose of distinguishing technical features, and should not be construed as indicating or implying relative importance or implying the number of technical features indicated or the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

In the related art, a part of refrigerators are provided with a water dispenser and an ice maker, the refrigerators supply water to the water dispenser and the ice maker through a water supply system, and the water supply system adopts a combined structure of a single pump and a one-inlet and two-outlet valve so as to supply water to the water dispenser and the ice maker through a single water pump. However, because the pipeline of the water supply system needs to bypass the foam layer at the bottom of the refrigerator and can convey water to the ice machine and the water dispenser through the bottom hinge of the door body, the pipeline of the water supply system is more in winding, the pipeline has high water conveying resistance, and the pipelines of the water dispenser and the ice machine can interfere with each other, so that water supply is unstable, and even the phenomenon that water cannot be pumped out to the water dispenser and the ice machine occurs, and the normal work of the water dispenser and the ice machine is influenced.

Therefore, the utility model provides a water supply system which can improve the stability of water supply, thereby improving the working stability of the water dispenser and the ice maker.

Referring to fig. 1, a water supply system for supplying water to a water dispenser 700 and an ice maker 800 of a refrigerator is provided in an embodiment of the present utility model. The water supply system includes a water tank 100, a first pipe, a first water pump 200, a second pipe, and a second water pump 300, and the water tank 100 may be generally rectangular or square or cylindrical in shape, and the inside thereof is hollow, so that more water can be stored. Specifically, the water tank 100 includes a tank body 110 and a cover 120, the upper end of the tank body 110 is opened, and the cover 120 is connected to the upper end of the tank body 110 to enclose a water storage space forming the water tank 100. The water replenishing port 121 has been seted up to the lid 120, and the lid 120 still is provided with the moisturizing lid 130 that can overturn, and under the state at ordinary times, moisturizing lid 130 can be with moisturizing 121 closing cap, when needs moisturizing, the user can conveniently open moisturizing lid 130 so that moisturizing port 121 is opened to make the user can be through moisturizing port 121 toward the interior moisturizing of water tank 100.

Referring to fig. 1 and 6, the first water pump 200 is connected to the water tank 100 and the water dispenser 700 through first pipes, respectively, and specifically, the first pipes include a first water inlet pipe 220 and a first water outlet pipe 230, the first water pump 200 has a first water inlet end 210 and a first water outlet end, both ends of the first water inlet pipe 220 are connected to the first water inlet end 210 and the water tank 100, respectively, and both ends of the first water outlet pipe 230 are connected to the first water outlet end and the water dispenser 700, respectively, so that the first water pump 200 can deliver water in the water tank 100 to the water dispenser 700 through the first pipes. The second water pump 300 is connected with the water tank 100 and the ice maker 800 through second pipes, and in particular, the second pipes include a second water inlet pipe 320 and a second water outlet pipe 330, the second water pump 300 has a second water inlet end 310 and a second water outlet end, both ends of the second water inlet pipe 320 are connected with the second water inlet end 310 and the water tank 100, both ends of the second water outlet pipe 330 are connected with the second water outlet end and the ice maker 800, respectively, so that the second water pump 300 can convey water in the water tank 100 to the ice maker 800 through the second pipes. It should be noted that, during installation, a long path is required to be arranged in the refrigerator in a winding way, so that the first pipeline and the second pipeline can be silica gel hoses or other types of hoses, and the pipeline is convenient to wind during installation.

Referring to fig. 1, in some embodiments of the present utility model, water tank 100 is provided with two suction pipes 140 corresponding to first and second water inlet pipes 220 and 320, two suction pipes 140 are mounted on cover 120 of water tank 100, and two suction pipes 140 are in one-to-one butt joint with first and second water inlet pipes 220 and 320. Specifically, the water suction pipe 140 includes two sections of pipe bodies, one section of pipe body is mounted on the cover body 120 and connected with the water inlet pipe, and the other section of pipe body extends into the water storage space of the water tank 100 from the cover body 120 and extends to be close to the bottom wall of the inner cavity of the water tank 100, so that when the first water pump 200 or the second water pump 300 sucks water in the water tank 100 through the water suction pipe 140, even if only a small amount of water remains in the water tank 100, the first water pump 200 or the second water pump 300 can suck water in the water tank 100, thereby the water storage space of the water tank 100 can be fully utilized.

When a user uses the water dispenser 700, the first water pump 200 can pump water in the water tank 100 through the first water inlet pipe 220, and then the water is conveyed to the water dispenser 700 through the first water outlet pipe 230 for the user to use, when the ice maker 800 needs to supply water for making ice, the second water pump 300 can pump water in the water tank 100 through the second water inlet pipe 320, and then the water is conveyed to the ice maker 800 through the second water outlet pipe 330 for making ice, and as the water dispenser 700 and the ice maker 800 supply water through respective water pumps and pipelines, the water supply pressure can be ensured, the water supply stability of the water supply system is effectively improved, and the problem of unstable water supply caused by insufficient water supply pressure when only one water pump is adopted for supplying water in the prior art is solved.

Referring to fig. 1 and 6, it can be understood that, when a user uses the water dispenser 700 to take water and stops taking water, water may continue to flow to the water dispenser 700 along the first pipeline, resulting in dripping of the water dispenser 700 after stopping taking water. To this end, in some embodiments of the present utility model, the first pipe is further installed with a control valve 400, the control valve 400 being disposed at the first outlet pipe 230 between the first water pump 200 and the water dispenser 700, the control valve 400 being coupled with the first water pump 200. When the user turns on the water dispenser 700, the first water pump 200 is started, and at this time, the control valve 400 controls the first pipe to be turned on, so that the first water pump 200 can deliver the water of the water tank 100 to the water dispenser 700 through the first pipe; when the user stops getting water, the first water pump 200 is closed, and the control valve 400 controls the first pipeline to be closed at the moment, so that the waterway of the first pipeline is cut off, water is prevented from continuously flowing to the water dispenser 700, the phenomenon of dripping water at the water outlet of the water dispenser 700 is avoided, and the use experience of the user is improved.

It should be noted that, the water supply system in the prior art adopts a combination structure of a single water pump and a one-inlet and two-outlet valve, so as to realize that the single water pump supplies water to the water dispenser 700 and the ice maker 800 at the same time, but the one-inlet and two-outlet valve needs to adopt strong electric control at this time, and the operation of the one-inlet and two-outlet valve is easy to be unstable in the area with unstable voltage. In the water supply system of the embodiment of the utility model, the two water pumps are adopted to supply water to the water dispenser 700 and the ice maker 800 respectively, and the control valve 400 arranged on the first pipeline only needs to control the on-off of the first pipeline at the moment, so the control valve 400 can be a stop valve controlled by weak current, and the stop valve can still operate stably even in an area with unstable voltage, so the work is more stable and reliable.

It will be appreciated that when there is a mixture of water and air in the pipeline, the resistance of the water pump to deliver water to the water dispenser 700 or the ice maker 800 through the pipeline may be greatly increased, which may cause untimely or unsmooth water supply, and for this reason, in some embodiments of the present utility model, the first water pump 200 is provided with a back-pumping function capable of delivering water in the pipeline back to the water tank 100, and of course, the second water pump 300 may be provided with a back-pumping function, or both the first water pump 200 and the second water pump 300 may be provided with back-pumping functions. Specifically, when the user supplements water to the water tank 100 and installs the water tank 100 in place, at this time, the first water pump 200 is reversed to start the back pumping function, and the steam-water mixture in the first pipeline is pumped back into the water tank 100 in time, so that the water delivery resistance of the first pipeline can be reduced, when the user starts the water dispenser 700, the first water pump 200 is rotated forward, so that the water in the water tank 100 can be timely delivered to the water dispenser 700, the phenomenon that the water cannot be delivered when the first water pump 200 is rotated forward is prevented, and the use reliability of the water dispenser 700 is improved. It should be noted that, because the ice maker 800 needs to solidify water into ice at a lower temperature during operation, at this time, the temperature at the junction of the second pipe and the ice maker 800 is also lower, and the water in the second pipe may be frozen in a low-temperature environment for a long time, so when the second water pump 300 finishes supplying water to the ice maker 800 each time, the second water pump 300 is reversed to start the back-pumping function, so as to timely back-pump the water in the second pipe to the water tank 100, and prevent the phenomenon that the water in the second pipe cannot be delivered due to freezing of the water in the second pipe.

Referring to fig. 1, it can be appreciated that in order to fix the water tank 100, preventing the water tank 100 from shaking to affect water supply, in some embodiments of the present utility model, the water supply system further includes a mounting frame 500, and the water tank 100 is detachably mounted on the mounting frame 500, thereby achieving a limited fixing of the water tank 100. Specifically, the mounting frame 500 may be fastened to the glass shelf 600 or other shelves 600 of the refrigerator by fasteners such as a buckle or a bolt, and of course, the mounting frame 500 may be fastened to an inner wall of the refrigerator or other mounting members. Through installing water tank 100 detachably on mounting bracket 500, when the water yield in water tank 100 is less and need moisturizing, the user can dismantle water tank 100 from mounting bracket 500, then take out water tank 100 to the outside of refrigerator and carry out moisturizing, installs water tank 100 on mounting bracket 500 again after the completion moisturizing, and the operation is more convenient.

Referring to fig. 1 and 4, it can be appreciated that in order to enable quick assembly and disassembly of the water tank 100, in some embodiments of the present utility model, the mounting frame 500 has a bottom plate 510 and a side plate 520, the side plate 520 is vertically connected to one end of the bottom plate 510, the bottom plate 510 is provided with a snap-in port, the water tank 100 is provided with a snap-in block 111 engaged with the snap-in port, the first water pump 200 and the second water pump 300 are both mounted on the side plate 520, and the side plate 520. The joint is located the one end that bottom plate 510 is close to curb plate 520, and when installing water tank 100, through placing water tank 100 in bottom plate 510, then promote water tank 100 towards curb plate 520, when water tank 100 touched curb plate 520, joint piece 111 can just block into the joint in to make water tank 100 can the joint install on mounting bracket 500, the operation is very convenient.

Referring to fig. 1, it can be appreciated that in order to prevent the water tank 100 from being mounted in place, in some embodiments of the present utility model, the water supply system further includes a position detector 530 for detecting the position of the water tank 100, thereby determining whether the water tank 100 is mounted in place. The position detector 530 may be a non-contact detection switch or a contact detection switch, for example, the position detector 530 may be an infrared detector, which may enable non-contact detection, so that wear of components may be reduced. Of course, the position detector 530 may also be a contact switch that detects the position of the water tank 100 through physical contact, and the contact switch is less costly and more reliable in detection.

It is understood that in some embodiments of the present utility model, the position detector 530 is a contact switch mounted on the side plate 520, the contact switch having a touch part protruding toward the position of the water tank 100. When water tank 100 is in place, water tank 100 may just touch a touch member on the touch switch, causing the touch switch to be triggered to signal to the associated controller that water tank 100 is in place. The embodiment of the utility model detects the position of the water tank 100 by adopting the contact switch, so that the contact switch is convenient to install and reliable to detect on one hand, and the cost required for detecting the installation of the water tank 100 in place can be reduced on the other hand.

Referring to fig. 2 to 5, it can be understood that, in order to enable the water tank 100 to be accurately mounted in place, in some embodiments of the present utility model, the bottom plate 510 is provided with one of the convex portion 511 and the concave portion 112, the bottom of the water tank 100 is provided with the other of the convex portion 511 and the concave portion 112, for example, the upper end of the bottom plate 510 is provided with the convex portion 511 formed of a convex strip, the bottom of the water tank 100 is provided with the concave portion 112 formed of a concave strip, and the convex strip can be clamped in the concave strip. During installation, water tank 100 is installed on bottom plate 510, and when protruding portion 511 joint was in concave portion 112, joint piece 111 can just block into the joint mouth and make water tank 100 install in place, and water tank 100 just can touch contact switch this moment to make contact switch send the signal that water tank 100 installed in place to the controller. When the water tank 100 is installed, the water tank 100 is placed on the bottom plate 510, and then the water tank 100 is pushed towards the side plate 520, when the bottom of the water tank 100 starts to touch the protruding portion 511 of the bottom plate 510, the water tank 100 is lifted up by a certain height by the protruding portion 511, and then the water tank 100 is pushed towards the side plate 520, when the protruding portion 511 moves to above the concave portion 112, the water tank 100 suddenly drops down, so that the protruding portion 511 is clamped in the concave portion 112, and meanwhile, the water tank 100 impacts the bottom plate 510 to generate certain vibration and sound, so that a user can know that the water tank 100 is installed in place, and particularly the vibration is transmitted to the user's hand through the water tank 100, so that the user can obtain more visual feeling, and the user can effectively know whether the water tank 100 is installed in place or not, thereby being beneficial to improving the convenience of installing the water tank 100. Of course, if the water tank 100 is not in place, the water supply system may also issue a corresponding alert, such as an alarm sound or further alert the user by lighting.

Referring to fig. 6, a refrigerator according to a second aspect of the present utility model includes a cabinet, a door, an ice maker 800, a water dispenser 700, and the water supply system of the above embodiments. The cabinet is provided with a refrigerating compartment, and the water tank 100 of the water supply system may be placed on a shelf 600 in the refrigerating compartment. The door body is rotatably connected to the box body, and the door body can seal the refrigerating chamber so as to prevent the cold air from leaking. The water dispenser 700 may be disposed on the door body, and the water dispenser 700 has a water outlet disposed on the outer side of the door body, so that a user may operate the water dispenser 700 to use drinking water without opening the door body, and the ice maker 800 may be disposed on the door body or in the refrigerating chamber. When the pipe is distributed, the water tank 100 is placed in the refrigerating chamber, the first pipeline and the second pipeline are led out from the refrigerating chamber, the first pipeline and the second pipeline are connected to the water dispenser 700 and the ice maker 800 respectively along the foam layer at the bottom of the box body through the upper door hinge, so that the first pipeline and the second pipeline do not need to pass through the press bin, adverse effects on the first pipeline and the second pipeline caused by a high-temperature high-humidity environment in the press bin are avoided, meanwhile, the bending of the first pipeline and the second pipeline can be reduced, and the water conveying resistance of the pipeline is reduced.

The water supply system of the refrigerator is provided with the first water pump 200 and the second water pump 300, when a user uses the water dispenser 700, the first water pump 200 can pump water in the water tank 100, and then the water is conveyed to the water dispenser 700 through the first pipeline for use by the user, when the ice maker 800 needs to supply water for making ice, the second water pump 300 can pump water in the water tank 100, and then the water is conveyed to the ice maker 800 through the second pipeline for making ice, and as the water dispenser 700 and the ice maker 800 supply water through respective water pumps and pipelines respectively, the water supply pressure can be ensured, so that the water supply stability of the water supply system is effectively improved, the phenomenon that water supply is unstable due to water supply of only one water pump in the prior art is improved, and the use experience of the refrigerator is improved.

It should be noted that, the water supply system in the prior art adopts a combination structure of a single water pump and a first inlet and second outlet valve, so as to realize that the single water pump supplies water to the water dispenser 700 and the ice maker 800 at the same time, however, at this time, the first inlet and second outlet valve needs to be controlled by strong electric power, and meanwhile, the first inlet and second outlet valve is usually arranged in a press bin, and in an area with unstable voltage, factors of high temperature and high humidity environment of the press bin are overlapped, so that the phenomenon that the first inlet and second outlet valve burns out is easily caused. Therefore, the control valve 400 is arranged in the refrigerating chamber, so that the control valve 400 can be positioned in an environment with controllable temperature and humidity, the temperature of the refrigerating chamber is lower than that of the press cabin, and meanwhile, the control valve 400 is a stop valve controlled by weak current, thereby effectively preventing the control valve 400 from burning out.

When a user needs to drink water, the first water pump 200 is started to convey the water of the water tank 100 to the water dispenser 700 by pressing an operation key of the water dispenser 700, and at the moment, the user can receive the water through a water cup at a water outlet arranged outside the door body of the water dispenser 700; when the icemaker 800 needs water supply to make ice, the second water pump 300 is activated to deliver the water of the water tank 100 to the icemaker 800. When the water quantity of the water tank 100 is insufficient, water needs to be replenished to the water tank 100, at the moment, a user can open the door body, take the water tank 100 out of the mounting frame 500, then add water to the water tank 100 to the required water quantity, place the water tank 100 back into the mounting frame 500 again, after the water tank 100 is installed in place, close the door body, at the moment, the first water pump 200 starts the back pumping function, and pumps the steam-water mixture in the first pipeline back into the water tank 100, so that the water delivery resistance of the first pipeline is reduced, and when the first water pump 200 supplies water to the water dispenser 700, the water can be easily supplied, and the stability of water outlet of the water dispenser 700 is ensured. When the ice maker 800 needs to supply water, the second water pump 300 can pump out the water in the water tank 100, then the water is conveyed to the ice maker 800 through the second pipeline for making ice, and after the second water pump 300 finishes supplying water to the ice maker 800, the second water pump 300 is reversed to start the back pumping function, so that the water in the second pipeline is timely back pumped to the water tank 100, and the phenomenon that the water in the second pipeline cannot be conveyed due to freezing of the water in the second pipeline is prevented.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (10)

1. A water supply system for supplying water to a water dispenser and an ice maker, comprising:

a water tank;

a first pipe comprising a first inlet pipe and a first outlet pipe;

the first water pump is provided with a first water inlet end and a first water outlet end, the first water inlet end is connected with the water tank through the first water inlet pipe, and the first water outlet end is connected with the water dispenser through the first water outlet pipe;

the second pipeline comprises a second water inlet pipe and a second water outlet pipe;

the second water pump is provided with a second water inlet end and a second water outlet end, the second water inlet end is connected with the water tank through the second water inlet pipe, and the second water outlet end is connected with the ice machine through the second water outlet pipe.

2. The water supply of claim 1, further comprising a shut-off valve mounted to the first outlet pipe between the first water pump and the water dispenser.

3. The water supply system according to claim 1, characterized in that the first water pump and/or the second water pump is provided with a back-pumping function capable of conveying water in a pipe back to the tank.

4. The water supply system according to claim 1, wherein the water tank is provided with two water suction pipes, the two water suction pipes are connected with the first water inlet pipe and the second water inlet pipe one by one, and the water suction pipes extend from the upper end of the water tank into the bottom of the water tank.

5. The water supply of any one of claims 1 to 4, further comprising a mounting bracket, the water tank being removably mounted to the mounting bracket.

6. The water supply of claim 5, wherein the mounting bracket has a bottom plate and a side plate, the side plate is vertically connected to one end of the bottom plate, the first water pump and the second water pump are mounted to the side plate, the bottom plate is provided with a clamping interface, and the water tank is provided with a clamping block matched with the clamping interface.

7. The water supply of claim 6, further comprising a position detector for detecting a mounting position of the tank, the position detector being mounted to the side plate.

8. The water supply of claim 7, wherein the base plate is provided with one of a boss and a recess, the bottom of the water tank is provided with the other of the boss and the recess, and the water tank is mounted to the base plate such that the water tank can trigger the position detector when the boss is snapped into the recess.

9. A refrigerator, comprising:

a case having a refrigerating chamber;

a water dispenser;

an ice maker;

the water supply system of any one of claims 1 to 8, wherein the water tank is disposed in the refrigeration compartment, the first water pump is connected to the water dispenser through the first water outlet pipe, and the second water pump is connected to the ice maker through the second water outlet pipe.

10. The refrigerator of claim 9, wherein the first water outlet pipe is further provided with a shut-off valve disposed in the refrigerating chamber.