CN114719534A - Refrigerating and freezing device - Google Patents

Abstract

The invention provides a refrigerating and freezing device. The refrigerating and freezing device comprises a box body, at least one door body, an ice making unit arranged in the door body, and a refrigerating system used for providing cold energy for at least one storage compartment and the ice making unit. The refrigerator body is limited with at least one storage chamber, one storage chamber is divided into a storage area and an evaporation chamber, and the refrigerating system comprises an evaporator arranged in the evaporation chamber. The refrigerating and freezing device further comprises a water drainage system, wherein the water drainage system is arranged on the door body and is used for collecting the defrosting water generated by the ice making unit and blowing the gaseous defrosting water into the storage area, the storage area can be humidified, redundant gaseous defrosting water is condensed on an evaporator in the evaporation chamber and is discharged together when the evaporator defrosts, the structure of the door body is simplified while the defrosting water is effectively discharged and treated, the production difficulty and the production cost are reduced, and the door body has larger ice making and ice storage spaces.

Description

Refrigerating and freezing device

Technical Field

The invention relates to the field of refrigeration and freezing, in particular to a refrigeration and freezing device with an ice making unit arranged on a door body.

Background

At present, the refrigerators with the ice making chambers on the door body mostly guide the cold energy of the freezing chambers into the ice making chambers of the door body through air ducts, so that the air ducts are complex in structure, condensation is easily generated at the butt joint positions of the refrigerator body and the air ducts of the door body, the ice making time is long, and the ice making chambers are easily tainted with the freezing chambers and influence the cleanliness of ice blocks. However, if the door body is directly cooled to make ice, not only the refrigerant pipeline connection is complicated and difficult, and the transmission distance is too long, but also effective defrosting and draining in a narrow space are required.

In view of the above, there is a need in the art to provide a refrigerator/freezer having an ice-making unit with a door, which can efficiently drain water and treat defrosted water.

Disclosure of Invention

It is an object of the present invention to overcome at least one of the technical disadvantages of the prior art and to provide a refrigerating and freezing apparatus having an ice-making unit with a door.

A further object of the invention is to enable the defrost water to be conducted away efficiently.

Another further object of the present invention is to increase the richness of the storage function of the storage compartment.

In particular, the present invention provides a refrigeration and freezing apparatus comprising:

a case defining at least one storage compartment;

the door body is used for opening and closing the at least one storage compartment;

an ice making unit provided in one of the door bodies; and

the refrigerating system is used for providing cold energy for the at least one storage compartment and the ice making unit; wherein the content of the first and second substances,

the storage compartment at the rear side of the ice making unit is divided into a storage area and an evaporation chamber, and the refrigeration system comprises an evaporator arranged in the evaporation chamber; and is

And the water drainage system is arranged on the door body and is used for collecting the defrosting water generated by the ice making unit and blowing the gaseous defrosting water into the storage area.

Optionally, the refrigeration and freezing apparatus further comprises:

the storage drawer is arranged at the bottom of the storage compartment; and is

The drain system is configured to encourage flow of the gasified frost water along between the storage drawer and the bottom wall of the storage region.

Optionally, the bottom wall of the storage area is formed with a cavity recessed downward.

Optionally, the air return opening of the evaporation chamber is arranged at the bottom of the evaporation chamber and is positioned at the rear side of the storage drawer.

Optionally, the drainage system comprises:

the water collector is arranged on one side, close to the box body, of the door body and used for collecting the defrosting water generated by the ice making unit, and an air inlet and an air outlet are formed in the water collector; and

and the drainage fan is arranged at the air outlet and used for promoting the air in the water collector to flow to the air outlet.

Optionally, the refrigeration and freezing apparatus further comprises:

the storage drawer is arranged at the bottom of the storage compartment; wherein the content of the first and second substances,

the drain blower is disposed above the storage drawer and forces air to flow downwardly along the front wall of the storage drawer.

Optionally, the drainage system comprises:

the drainage cover plate is arranged on one side of the water collector, which is far away from the door body, and covers the water collector; wherein the content of the first and second substances,

the drain cover plate comprises a horizontal baffle extending horizontally, and the horizontal baffle is arranged to block the storage drawer and the space above the storage drawer at the front side of the storage drawer; and is

The horizontal baffle is provided with a vent so that air blown out by the drainage fan flows through the vent.

Optionally, the storage drawer has a humidification inlet to the lateral wall, and two horizontal lateral walls have a humidification outlet respectively.

Optionally, a bottom of the sump is provided with at least one of a heating wire and an atomizer.

Optionally, the drain fan is configured to operate when the ice making unit defrosts; and/or

The drainage fan is configured to operate when the height of the defrosted water in the water collector is greater than or equal to a preset height threshold.

The defrosting water generated by the door body ice making unit is guided into the evaporation area of the storage chamber in a gaseous state, the storage area can be humidified, and the redundant gaseous defrosting water is condensed on the evaporator in the evaporation chamber and is discharged together when the evaporator defrosts, so that the defrosting water is effectively discharged and treated, the structure of the door body is simplified, the production difficulty and the production cost are reduced, and the door body has larger ice making and storage spaces.

Furthermore, the invention can enable the gaseous defrosting water to be firstly condensed and accumulated at the concave cavity at the bottom wall of the storage area when the refrigeration system does not provide cold energy for the storage area and then evaporated and move along with the air flow to the evaporation chamber for condensation when the refrigeration system provides cold energy for the storage area by promoting the gaseous defrosting water to flow along the lower part of the storage drawer at the bottom of the compartment and then move to the evaporation chamber for condensation, thereby avoiding the defrosting water from being condensed at other areas of the storage area and reducing the user experience.

Furthermore, the drainage fan is arranged at the horizontal baffle above the storage drawer, the humidification inlet and the humidification outlet are formed in the storage drawer, a relatively closed storage space can be formed at the bottom of the storage area, gaseous defrosting water flows into the storage drawer for humidification without increasing cost, storage of special food materials is achieved, and the richness of the storage function of the storage chamber is improved.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic cross-sectional view of a refrigeration freezer apparatus according to one embodiment of the invention;

FIG. 2 is a schematic isometric view of the door body of FIG. 1 with portions of the outer shell and ice-making liner of the door body removed;

FIG. 3 is a schematic cross-sectional view of the ice-making unit of FIG. 2;

fig. 4 is a schematic exploded view of the water receiving assembly of fig. 3.

Detailed Description

Fig. 1 is a schematic cross-sectional view of a refrigeration freezer 100 according to one embodiment of the invention; fig. 2 is a schematic isometric view of the door body 120 of fig. 1, with portions of the outer shell 121 and ice making bladder 122 of the door body 120 removed. Referring to fig. 1 and 2, the refrigerating and freezing apparatus 100 may include a cabinet 110 defining at least one storage compartment, at least one door 120 for opening and closing the at least one storage compartment, an ice making unit 130 disposed in the door 120, and a refrigerating system for providing cold to the at least one storage compartment and the ice making unit 130. In the present invention, at least one is one, two, or more than two.

The door 120 may include a case 121, an ice making inner container 122 disposed inside the case 121, and an insulating layer disposed between the case 121 and the ice making inner container 122. The ice making inner container 122 may define an ice making compartment, and the ice making unit 130 may be disposed in the ice making compartment to increase a storage space of the storage compartment.

The refrigeration system may include a compressor, a condenser, a throttling element, and an evaporator 114 disposed within the storage compartment.

Fig. 3 is a schematic cross-sectional view of the ice making unit 130 of fig. 2. Referring to fig. 3, the ice making unit 130 may include an ice making housing 131, a refrigerating duct 132, and a heating duct 135.

The ice-making housing 131 may define at least one ice-making groove for receiving water or ice cubes. The number of the ice making grooves may be plural and distributed along the longitudinal direction of the ice making housing 131.

The cooling pipe 132 may be used to provide cooling energy to the ice making groove to form ice cubes. In the present invention, the refrigeration pipe 132 may be a refrigerant evaporation pipe, and is connected to the portion of the refrigeration system located in the box 110 through a flexible hose, and is connected in parallel with the evaporator 114.

The heating pipe 135 may be at least partially embedded in the bottom of the ice making housing 131 to heat the ice making housing 131 for ice removal.

The ice-making unit 130 may further include a separator 136 and a box cover 137. The separator 136 may be configured to drive the movement of ice cubes within the ice making groove. Illustratively, the decoupler 136 may include a shift lever and a drive that drives the shift lever for movement.

The cover 137 may be disposed above the ice making housing 131 and guide the ice cubes driven by the separator 136 to a lower side of the ice making housing 131. An ice bank may be disposed below the ice making unit 130 to receive the dropped ice cubes.

In some embodiments, the ice making unit 130 may further include heat exchanging fins 133 disposed below the ice making housing 131 to diffuse the coldness of the refrigerating pipe 132 to its surroundings.

The heat exchange fins 133 may be disposed to sandwich the heating pipe 135 and the cooling pipe 132 between the heating pipe and the ice making case 131, so that the ice making case 131 and the heat exchange fins 133 are defrosted or cooled at the same time, thereby improving the structural compactness of the ice making unit 130 and reducing the occupied space.

A heat insulator 134 may be disposed between the cooling duct 132 and the ice making housing 131 to reduce the ice making speed and improve the transparency of the made ice.

The ice-making unit 130 may also include a fan assembly 138 to facilitate air circulation within the ice-making compartment.

The fan assembly 138 may include a circulating fan and a fan support. The circulation fan may be provided to promote the air in the ice making compartment to flow through the heat exchange fins 133. The fan support may be configured to be fixedly connected to the box cover 137 and to support the circulating fan.

In some embodiments, the ice-making unit 130 may also include a water receiving assembly 139. The water receiving assembly 139 may be disposed below the heat exchanging fins 133 for receiving the defrosting water generated by the heat exchanging fins 133.

Fig. 4 is a schematic exploded view of the water receiving assembly 139 of fig. 3. Referring to fig. 4, the water-receiving assembly 139 may include a water-receiving pan 1391, heating wires 1392, insulation material 1394, and a lower cover plate 1393.

A water receiving pan 1391 may be disposed below the heating pipe 135 to receive defrosted water generated by the heat exchanging fins 133 when the heating pipe 135 operates.

A heating wire 1392 may be provided at a bottom wall of the water tray 1391 to prevent the defrosting water from being frozen in the water tray 1391, so that the defrosting water is smoothly discharged.

The heating wire 1392 may be disposed below the water tray 1391 to avoid potential safety hazards and improve the safety of the ice making unit 130.

Insulation 1394 can be provided below heater wire 1392 to reduce the temperature effects of heating on the environment below heater wire 1392.

A lower cover 1393 may be disposed below the insulation material 1394 to support the water pan 1391, heating wire 1392, and insulation material 1394. The lower cover 1393 may be configured to be fixedly coupled to at least one of the driving unit of the separator 136 and the cover 137, thereby fixing the water receiving assembly 139 to facilitate the production and transportation of the ice making unit 130.

The lower cover plate 1393 can be provided with a water outlet and a line passing hole, so that defrosting water in the water pan 1391 is discharged through the water outlet, and the heating wire 1392 is electrically connected through the line passing hole.

The projection of the heat exchange fins 133 on the vertical plane may be located in the lower cover 1393 to improve the structural compactness of the ice making unit 130.

The lower cover 1393 may be formed with ventilation holes extending horizontally through the circumferential side wall of the lower cover 1393 to allow the heat exchange fins 133 to exchange heat with the surrounding environment.

Referring to fig. 1 and 2, the storage compartment may be partitioned into a storage area 111 and an evaporation chamber 112 by an air duct cover 113, and an evaporator 114 may be disposed in the evaporation chamber 112.

The refrigeration system may also include a refrigeration blower 115 to facilitate air flow within the storage compartment. The cooling fan 115 may be disposed in the evaporation chamber 112 downstream of the evaporator 114, i.e., air flows through the evaporator 114 and is then drawn into the cooling fan 115.

A mounting plate 116 may be disposed within the evaporation chamber 112. The evaporator 114 may be disposed on a rear side of the mounting plate 116, and the cooling fan 115 may be mounted to the mounting plate 116 and positioned on a front side of the mounting plate 116 above the evaporator 114. Air in the storage area 111 may flow into the rear side of the mounting plate 116 via the lower side of the duct cover 113 and the mounting plate 116 to exchange heat with the evaporator 114. And is sucked into the front side of the mounting plate 116 by the cooling fan 115 and blown out to the storage area 111 through one or more blowing ports of the duct cover 113.

In particular, the refrigeration freezer 100 may also include a drainage system. The drainage system may be disposed at the door 120, and configured to collect the defrosting water generated by the ice making unit 130, and blow the gaseous defrosting water into the storage area 111, so as to humidify the storage area 111, and make the surplus gaseous defrosting water be condensed on the evaporator 114 in the evaporation chamber 112, and then discharged together when the evaporator 114 defrosts, so that the structure of the door 120 is simplified, the production difficulty and the production cost are reduced, and the door 120 has a large ice making and storage space while the defrosting water is effectively discharged and treated.

In some embodiments, the refrigeration freezer 100 can further include a storage drawer 117 disposed at the bottom of the storage compartment. The drain system can be configured to encourage the flow of the gaseous defrost water along between the locker drawer 117 and the bottom wall of the storage region 111 to avoid condensation of the defrost water in other areas of the storage region 111, reducing the user experience.

The bottom wall of the storage area 111 may be formed with a recessed cavity 118 that is recessed downward to allow the vaporized frost water to condense and accumulate in the cavity 118 at the bottom wall of the storage area 111 when the refrigeration system is not providing cold to the storage area 111, and to evaporate and condense as the air flows to the evaporation chamber 112 when the refrigeration system is providing cold to the storage area 111.

The air return hole 1121 of the evaporation chamber 112 may be disposed at the bottom of the evaporation chamber 112 at the rear side of the locker drawer 117 to reduce the amount of condensed water condensed in the storage region 111.

Specifically, the drainage system may include a sump 141 and a drainage fan 143. The water collector 141 may be disposed at a side of the door 120 close to the cabinet 110, and is communicated with the water-receiving tray 1391 through a pipe 142, for collecting the defrosting water generated by the ice-making unit 130.

The sump 141 may be formed with an intake port 1411 and an outlet port. A drain fan 143 may be disposed at the air outlet to force the air in the water collector 141 to flow toward the air outlet.

The drain fan 143 may be configured to operate when the ice-making unit 130 defrosts or when the height of the defrosted water in the water collector 141 is equal to or greater than a preset height threshold value, so that the defrosted water is timely drained. The sump 141 may be provided with a water level sensor to sense the height of the defrosted water.

In some embodiments, the drain fan 143 can be positioned above the locker drawer 117 and encourage air to flow down the front wall of the locker drawer 117 to create a wind path at the front side of the locker drawer 117, reducing wind resistance, and facilitating a smoother flow of the gasified frost water into the evaporation chamber 112.

The drain system may also include a drain cover plate 144. The drainage cover plate 144 may be disposed on a side of the water collector 141 away from the door 120, and cover the water collector 141.

The drain cover plate 144 may include a horizontal baffle 1441 extending horizontally and a vertical baffle extending downward along a front end of the horizontal baffle 1441.

The horizontal barrier 1441 may be configured to block the stowage drawer 117 from the space above it at the front side of the stowage drawer 117 to form a relatively closed stowage space at the bottom of the stowage area 111, reducing the impact on other areas. The horizontal baffle 1441 may be opened with a vent to allow air blown by the drain fan 143 to flow therethrough.

The vertical baffle may be disposed at the front side of the storage drawer 117 to reduce the cross-sectional area of the air path at the front side of the storage drawer 117 and increase the flow rate of the gas.

The forward lateral wall of storage drawer 117 can be opened and is equipped with humidification entry 1171, and humidification exit 1172 can be seted up respectively to two horizontal lateral walls to carry out the humidification to storage drawer 117 in the drainage, realize the storage to special edible material.

The bottom of the water collector 141 may be provided with at least one of a heating wire and an atomizer (not shown in the drawings) to increase the evaporation rate of the defrost water.

The middle of the bottom wall of the sump 141 may be provided to be downwardly concave. The heating wire may be provided to be partially wound around the outer wall of the recess. The atomizer can be disposed in the recess.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.

Claims (10)

1. A refrigeration chiller comprising:

a case defining at least one storage compartment;

the door body is used for opening and closing the at least one storage compartment;

an ice making unit provided in one of the door bodies; and

the refrigerating system is used for providing cold energy for the at least one storage compartment and the ice making unit; wherein the content of the first and second substances,

the storage compartment at the rear side of the ice making unit is divided into a storage area and an evaporation chamber, and the refrigeration system comprises an evaporator arranged in the evaporation chamber; and is

And the water drainage system is arranged on the door body and is used for collecting the defrosting water generated by the ice making unit and blowing the gaseous defrosting water into the storage area.

2. The refrigeration freezer of claim 1, further comprising:

the storage drawer is arranged at the bottom of the storage compartment; and is

The drain system is configured to encourage flow of the gasified frost water along between the storage drawer and the bottom wall of the storage region.

3. A refrigerator-freezer according to claim 2,

the bottom wall of the storage area is formed with a cavity recessed downward.

4. A refrigerator-freezer according to claim 2,

the air return opening of the evaporation chamber is arranged at the bottom of the evaporation chamber and is positioned at the rear side of the storage drawer.

5. The refrigeration chiller of claim 1, wherein the drainage system comprises:

the water collector is arranged on one side, close to the box body, of the door body and used for collecting the defrosting water generated by the ice making unit, and an air inlet and an air outlet are formed in the water collector; and

and the drainage fan is arranged at the air outlet and used for promoting the air in the water collector to flow to the air outlet.

6. The refrigeration freezer of claim 5, further comprising:

the storage drawer is arranged at the bottom of the storage compartment; wherein the content of the first and second substances,

the drain blower is disposed above the storage drawer and forces air to flow downwardly along the front wall of the storage drawer.

7. The refrigeration chiller of claim 6, wherein the drainage system comprises:

the drainage cover plate is arranged on one side of the water collector, which is far away from the door body, and covers the water collector; wherein the content of the first and second substances,

the drain cover plate comprises a horizontal baffle extending horizontally, and the horizontal baffle is arranged to block the storage drawer and the space above the storage drawer at the front side of the storage drawer; and is

The horizontal baffle is provided with a vent so that air blown out by the drainage fan flows through the vent.

8. The refrigeration freezer of claim 7, wherein,

the storage drawer is provided with a humidifying inlet on the front side wall and humidifying outlets on the two transverse side walls.

9. The refrigeration and freezing apparatus according to claim 5,

at least one of a heating wire and an atomizer is disposed at the bottom of the water collector.

10. The refrigeration and freezing apparatus according to claim 5,

the drain fan is configured to operate when the ice making unit defrosts; and/or

The drainage fan is configured to operate when the height of the defrosted water in the water collector is greater than or equal to a preset height threshold.

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