WO2021218465A1

WO2021218465A1 - Ice making device and refrigerator having same

Info

Publication number: WO2021218465A1
Application number: PCT/CN2021/080991
Authority: WO
Inventors: 赵斌堂; 张延庆; 费斌
Original assignee: 青岛海尔电冰箱有限公司; 海尔智家股份有限公司
Priority date: 2020-04-27
Filing date: 2021-03-16
Publication date: 2021-11-04
Also published as: CN113639504A

Abstract

An ice making device and a refrigerator having same. The ice making device comprises an ice making component, a water supply device provided above the ice making component and comprising a water tank; a water pump provided between the water tank and the ice making component, and provided with a water inlet end and a water outlet end, wherein the water inlet end is in communication with the water tank; and a water delivery component connected between the water outlet end and the ice making component, and provided with a communication structure in communication with external air. The height of the position where the water delivery component is connected to the water outlet end is greater than a preset highest liquid level of the water tank.

Description

Ice making device and refrigerator with the same

Technical field

The present invention relates to the technical field of refrigeration equipment, in particular to an ice making device and a refrigerator having the same.

Background technique

At present, in order to facilitate the use of users, many refrigerators have built-in ice machines. In the ice making system supplied by water pump, the ice maker is generally installed in the freezer compartment at the lower part of the refrigerator, and the water tank in the refrigerating compartment at the upper part of the refrigerator is required to supply water to the ice maker. The water in the water tank is pumped to the ice making machine through the water pump. The machine’s ice tray then forms ice in the freezer.

In the prior art, since the ice maker is located in the freezer and its vertical height is lower than the water tank, in order to prevent the formation of siphon in the water pipe, it is necessary to control the water pump to pump the water in the water pipe back into the water tank after the water injection is completed. There are two problems with the method. One is that the pump control is complicated, the energy consumption is high, and the cost is high. The other is that when the pump fails to pump back, the siphon phenomenon occurs, and the water in the water tank is continuously sucked into the ice tray of the ice maker. The overflowing ice tray falls into the ice storage box, causing the ice cubes in the ice storage box to stick or form ice lumps, making it unusable.

Therefore, it is necessary to provide an improved ice making device and a refrigerator having the same to solve the above-mentioned problems.

Summary of the invention

In order to solve the above technical problems, the present invention proposes an ice making device and a refrigerator with the ice making device.

In order to achieve the above-mentioned object, the technical solution provided by the present invention is as follows: an ice-making device comprising an ice-making assembly for making ice, which is arranged above the ice-making assembly to supply water to the ice-making assembly The water supply device, the water supply device includes:

Water tank

A water pump is arranged between the water tank and the ice making assembly, the water pump has a water inlet end and a water outlet end, and the water inlet end communicates with the water tank;

The water delivery assembly is connected between the water outlet and the ice making assembly, and is provided with a communication structure communicating with the outside air. The height of the connection between the water delivery assembly and the water outlet is higher than the preset height of the water tank Maximum liquid level.

As a further improvement of the present invention, the water delivery assembly has a water delivery pipe, the water delivery pipe has a connection end connected to the water outlet end of the water pump, and the communication structure is provided at the connection end position.

As a further improvement of the present invention, the communication structure is an air pressure balance hole provided on the water delivery pipe.

As a further improvement of the present invention, the inner diameter of the connection end is larger than the outer diameter of the water outlet end, the water outlet end extends into the connection end, and the water delivery assembly further includes a cover connecting the water outlet end and the connection end. The connecting structure is formed at the connection between the cover and the water outlet or the connection between the cover and the connection.

As a further improvement of the present invention, the ice-making assembly includes an ice-making tray and an ice-making machine connected thereto, and the connecting end is in the shape of a funnel and its capacity is not less than the rated capacity of the ice-making tray.

As a further improvement of the present invention, the upper part of the connecting end position of the water delivery pipe has an opening, the cover is provided on the opening, and the water delivery assembly further has a buckle provided on the cover, so The position of the connecting end is provided with a clamping part matched with the buckle.

As a further improvement of the present invention, the communication structure includes an airflow hole formed at the connecting end and a check valve provided on the airflow hole. Inside the water supply pipe, when the water pump is turned on, the check valve is turned on; when the water pump is turned off, the check valve is closed.

As a further improvement of the present invention, the inner diameter of the connecting end is greater than the outer diameter of the water outlet end, the water outlet end extends into the connecting end, and the communication structure includes an air flow channel provided at the top of the connecting end position and The first check valve on the air flow passage, the first check valve closes the air flow passage and the passage direction is toward the inside of the water delivery pipe, when the water pump is turned on, the first check valve is turned on ; When the water pump is closed, the first check valve is closed.

As a further improvement of the present invention, the ice making device further has a second check valve provided at the water outlet end and closed the water outlet end, and the passage direction is toward the water supply pipe. The opening of the second check valve The threshold is greater than the opening threshold of the first check valve.

The present invention also provides a refrigerator having an ice making device as described above. The refrigerator includes a cabinet, the cabinet includes a refrigerating chamber at the upper part and a freezing chamber at the lower part, and the water supply device is arranged in the In the refrigerating chamber, the ice making assembly is arranged in the freezing chamber.

The beneficial effect of the present invention is that the ice making device and the refrigerator provided by the present invention are provided with a communicating structure communicating with the outside air, and the communicating structure is higher than the preset maximum liquid level of the water tank, so that the water is being delivered. The components flow down to the ice making assembly due to gravity. At the same time, when the water pump is turned off, the water in the water delivery assembly will not form a siphon effect and continue to flow to the ice making assembly. Therefore, there is no need to pump back the water pump to empty the water path, reducing Energy consumption, while avoiding the noise problem caused by the reverse pumping of the water pump.

Description of the drawings

The drawings described here are used to provide a further understanding of the application and constitute a part of the application. The exemplary embodiments and descriptions of the application are used to explain the application, and do not constitute an improper limitation of the application. In the attached picture:

Fig. 1 is a schematic structural diagram of a refrigerator in the first embodiment of the present invention;

Fig. 2 is a schematic diagram of the enlarged structure at A in Fig. 1;

Figure 3 is a schematic diagram of the refrigerator in the second embodiment of the present invention;

Fig. 4 is a schematic diagram of the enlarged structure at B in Fig. 3;

Among them, 100-refrigerator, 10-ice making device, 1-ice making component, 11-ice making tray, 12-ice maker, 2-water supply device, 21-water tank, 22-water pump , 221—— water outlet, 222—— water inlet, 23—— water supply component, 231—— connecting structure, 2311—— air flow channel, 2312—— first check valve, 232—— water supply pipe, 2321—— Connecting end, 2322—opening, 233—cover, 234—buckle, 20—box, 201—refrigerator, 202—freezer.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be described clearly and completely in conjunction with specific embodiments of the present application and the corresponding drawings. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of this application.

1 to 4, the present invention proposes an ice-making device 10, the ice-making device 10 includes an ice-making assembly 1 for making ice, arranged above the ice-making assembly 1 so as to The water supply device 2 for the ice making assembly 1 to supply water.

Wherein, the water supply device 2 includes a water tank 21 and a water pump 22 arranged between the water tank 21 and the ice making assembly 1. The water pump 22 has a water inlet 222 and a water outlet 221, and the water inlet 222 communicates with The water tank 21 pumps the water in the water tank 21 to the ice making assembly 1 through the water pump 22.

The water supply device 2 further includes a water delivery assembly 23 connected between the water outlet 221 and the ice making assembly 1. The water delivery assembly 23 is also provided with a communication structure 231 that communicates with the outside air. The water delivery assembly 23 The height of the connection with the water outlet 221 is higher than the preset maximum liquid level of the water tank 21, so that the water flows down into the ice making assembly 1 in the water delivery assembly 23 due to gravity, and at the same time, when the water pump 22 is closed, the water is delivered The water in the assembly 23 does not form a siphon effect and continues to flow to the ice making assembly 1, so there is no need for the water pump 22 to perform reverse pumping to empty the water path, reducing energy consumption and avoiding the noise problem generated by the pump 22 during reverse pumping.

Specifically, the water delivery assembly 23 has a water delivery pipe 232, the water delivery pipe 232 has a connection end 2321 connected to the water outlet 221, and the communication structure 231 is provided at the connection end 2321 position, that is, the water pump 22 The connection with the water outlet 221 can communicate with the outside world, so that after the water flows out of the water outlet 221, the water flows downwards through the water delivery pipe 232 to the ice making assembly 1 due to gravity, and at the same time when the water pump 22 is closed , The water in the water delivery assembly 23 will not form a siphon effect and continue to flow to the ice making assembly 1, so there is no need for the water pump 22 to perform reverse pumping to empty the water path, reducing energy consumption and avoiding the noise problem caused by the pump 22 reverse pumping .

In a specific embodiment of the present invention, the communication structure 231 may be an air pressure balance hole provided on the water supply pipe 232, so that the air pressure balance hole communicates with the outside air, so that water flows out from the water outlet 221 Then, due to gravity, it flows downward through the water delivery pipe 232 to the ice making assembly 1.

Further, in a specific embodiment, the communication structure 231 includes an airflow hole formed at the connecting end 2321 and a check valve provided on the airflow hole, and the check valve closes the airflow hole and The flow direction is toward the inside of the water delivery pipe 232. When the water pump 22 is turned on, the check valve is turned on, and the air flow hole is in communication with the air, so that the water flows downwards due to gravity after flowing out of the water outlet 221. It flows to the ice making assembly 1 through the water pipe 232; when the water pump 22 is closed, the check valve is closed, and the connecting end 2321 is in a closed state, which can better isolate external dust and ensure ice making The degree of purity.

In the first embodiment of the present invention, as shown in FIGS. 1 and 2, the inner diameter of the connecting end 2321 is larger than the outer diameter of the water outlet 221, and the water outlet 221 extends into the connecting end 2321, because The flow rate of the water pumped by the water pump 22 is relatively fast. The above arrangement of the connection end 2321 can make the water flow into the water delivery pipe 232 to have a certain buffer effect on the water, reducing the time when the water flows into the ice making assembly 1. The splash is produced.

The water delivery assembly 23 further includes a cover body 233 connecting the water outlet end 221 and the connection end 2321, and the communication structure 231 is formed at the connection between the cover body 233 and the water outlet end 221 or between the cover body 233 and the connection end 2321. The connection, that is, the connection between the cover 233 and the water outlet 221 or the connection between the cover 233 and the connection 2321 is not sealed, on the one hand, it can communicate with the outside air, so that water flows from the water outlet. After 221 flows out, due to gravity, it flows downward through the water delivery pipe 232 to the ice making assembly 1; on the other hand, the cover 233 can prevent dust from entering the water delivery pipe 232, ensuring the purity of ice making.

Further, as shown in FIG. 2, the upper part of the connecting end 2321 of the water delivery pipe 232 has an opening 2322, the cover body 233 covers the opening 2322, and the water delivery assembly 23 also has an opening 2322. On the buckle 234 on the cover body 233, the connecting end 2321 is provided with a buckle part that cooperates with the buckle 234, which facilitates the disassembly and assembly of the cover body 233, and at the same time can keep the cover body 233 and The connection of the water outlet 221 or the connection of the cover 233 and the connection 2321 is in a state of communication with the outside.

The ice-making assembly 1 includes an ice-making tray 11 and an ice-making machine 12 connected to it. Further, in a specific embodiment of the present invention, the connecting end 2321 is in the shape of a funnel and its capacity is not less than that of the ice-making tray. The rated capacity of 11, because the water pump 22 pumps a large amount of water at a high speed, it can prevent the water from overflowing when it flows into the position of the connecting end 2321, buffer the water, and reduce the flow of water into the ice making assembly. Splash at 1 o'clock is produced.

As shown in Figures 3 and 4, in the second embodiment of the present invention, the inner diameter of the connecting end 2321 is larger than the outer diameter of the outlet end 221, and the outlet end 221 extends into the connecting end 2321. The communication structure 231 includes an air flow channel 2311 provided at the top of the connecting end 2321 and a first check valve 2312 provided on the air flow channel 2311. The first check valve 2312 closes the air flow channel 2311 and passes through The direction is toward the inside of the water delivery pipe 232. When the water pump 22 is turned on, the first check valve 2312 is turned on, and the air flow channel 2311 is in communication with the air, so that the water flows out from the water outlet 221 after the water flows out due to gravity. When the water pump 22 is closed, the first check valve 2312 is closed, and the connecting end 2321 is in a closed state, which can better isolate the outside world. Dust ensures the purity of ice making.

Preferably, the ice making device 10 further has a second check valve which is arranged at the water outlet 221 and closes the water outlet 221 and whose passage direction faces the water supply pipe 232. The opening of the second check valve The threshold is greater than the opening threshold of the first check valve 2312, that is, the water pressure to open the second check valve is greater than the air pressure to open the first check valve 2312, which can more ensure that the water supply pipe When the water in 232 flows downward, the water in the water pump 22 will not be induced to enter the water delivery pipe 232 due to the existence of the first check valve 2312, thereby avoiding the phenomenon of water overflowing the ice maker 11 .

The present invention also provides a refrigerator 100 having an ice making device 10 as described above. The refrigerator 100 includes a box body 20 that includes a refrigerating chamber 201 at an upper portion and a freezing chamber 202 at a lower portion. The water supply device 2 is arranged in the refrigerating compartment 201, so that the water in the water supply device 2 will not freeze; the ice making assembly 1 is arranged in the freezing compartment 202, which can quickly rely on the cooling capacity of the freezing compartment 202 Form ice.

In summary, the present invention relates to an ice making device 10 and a refrigerator 100 having the same. By providing a communication structure 231 communicating with the outside air, the communication structure 231 is higher than the preset maximum liquid level of the water tank 21, The water in the water delivery assembly 23 flows down to the ice making assembly 1 due to gravity. At the same time, when the water pump 22 is closed, the water in the water delivery assembly 23 will not form a siphon effect and continue to flow to the ice making assembly 1, so the water pump 22 is not needed. The reverse pumping is performed to empty the waterway, reducing energy consumption, and avoiding the noise problem caused by the reverse pumping of the water pump 22; at the same time, the connecting end is set in a funnel shape, so that when the water flows into the water supply pipe 232, the water has a certain effect on the water. The buffering effect reduces splashing when water flows into the ice making assembly 1.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the inventive concept of the present invention, a number of modifications and improvements can be made, all of which belong to the present invention. The scope of protection of the invention.

Claims

An ice making device comprising an ice making assembly for making ice, and a water supply device arranged above the ice making assembly to supply water to the ice making assembly, characterized in that the water supply device includes :

Water tank

A water pump is arranged between the water tank and the ice making assembly, the water pump has a water inlet end and a water outlet end, and the water inlet end communicates with the water tank;

The water delivery assembly is connected between the water outlet and the ice making assembly, and is provided with a communication structure communicating with the outside air. The height of the connection between the water delivery assembly and the water outlet is higher than the preset height of the water tank Maximum liquid level.
The ice making device according to claim 1, wherein the water delivery assembly has a water delivery pipe, the water delivery pipe has a connection end connected to the water outlet end of the water pump, and the communication structure is provided at the connection end position .
The ice making device according to claim 2, wherein the communication structure is an air pressure balance hole provided on the water delivery pipe.
The ice making device of claim 2, wherein the inner diameter of the connecting end is larger than the outer diameter of the water outlet, the water outlet extends into the connecting end, and the water delivery assembly further comprises a connection to the water outlet And the cover body of the connecting end, the communication structure is formed at the connection point between the cover body and the water outlet end or the connection point between the cover body and the connection end.
The ice-making device according to claim 4, wherein the ice-making assembly comprises an ice-making tray and an ice-making machine connected to the ice-making tray, and the connecting end is in the shape of a funnel and its capacity is not less than that of the ice-making tray. The rated capacity.
The ice-making device according to claim 5, wherein the upper part of the connecting end of the water delivery pipe has an opening, the cover is provided on the opening, and the water delivery assembly further has an opening provided on the The buckle on the cover body is provided with a clamping part matched with the buckle at the position of the connecting end.
The ice making device according to claim 2, wherein the communication structure comprises an air flow hole formed at the connecting end and a check valve provided on the air flow hole, and the check valve closes the air flow hole. The air flow hole and the passage direction are toward the inside of the water delivery pipe. When the water pump is turned on, the check valve is turned on; when the water pump is turned off, the check valve is closed.
The ice-making device according to claim 2, wherein the inner diameter of the connecting end is larger than the outer diameter of the water outlet end, the water outlet end extends into the connecting end, and the communicating structure includes The air flow channel at the top of the position and the first check valve provided on the air flow channel, the first check valve closes the air flow channel and the passage direction is toward the inside of the water delivery pipe. When the water pump is turned on, The first check valve is turned on; when the water pump is closed, the first check valve is closed.
The ice-making device according to claim 8, wherein the ice-making device further has a second check valve arranged at the water outlet end and closing the water outlet end, and the passage direction is toward the water supply pipe, so The opening threshold of the second check valve is greater than the opening threshold of the first check valve.
A refrigerator having an ice-making device as claimed in claim 1, said refrigerator comprising a box body, characterized in that the box body includes a refrigerating chamber located at the upper part and a freezing chamber located at the lower part, and the water supply device is arranged at In the refrigerating chamber, the ice making assembly is arranged in the freezing chamber.