TW202009433A - Refrigerator characterized in that the present refrigerator has a simplified structure and can maintain the temperature and humidity of the vegetable/fruit room - Google Patents

Abstract

A refrigerator comprises a box body unit, a storage case unit, a return air unit and a cooling unit. The box body unit includes a heat insulating box body and a first plate member. The first plate member defines an air vent. The storage case unit includes a first storage case which defines a semi-circulation space with the heat insulating box body and the first plate member. The return air unit includes a return air structure. The return air structure divides the semi-circulation space into a temperature-controlled moisturizing channel communicated with the air vent and a cooling channel which is spaced apart from the temperature-controlled moisturizing channel and not communicated with the air vent, and also defines a return air inlet communicated with the cooling channel and the temperature-controlled moisturizing channel. The cooling unit is provided with the cooling channel, is communicated with the refrigerating room and provides cold air for the refrigerating room, so as to allow the cold air to enter the temperature-controlled moisturizing channel of the vegetable/fruit room along the air vent and to enter the cooling channel along the return air inlet to maintain the temperature and humidity of the vegetable/fruit room.

Description

refrigerator

The invention relates to a refrigerator, in particular to a refrigerator that simplifies the overall structure and can maintain the functions of moisture retention and temperature of the vegetable and fruit room.

With the advancement of smart technology, the temperature and humidity control of refrigerators has become more precise. Therefore, according to the characteristics of humidity and temperature required by different foods, the space inside refrigerators can be roughly divided into refrigerator compartments, vegetable and fruit compartments and freezer compartments. When the food is stored in the correct area, the food can be kept fresh for a certain period of time.

Generally speaking, this type of refrigerator structure is to control the temperature and humidity of the compartment by setting a group of cold air circulation pipes and a cooling device in each compartment, the cold air circulation pipe has a cold air passage, and a The fan provided in the cold air channel. Both ports of the cold air channel are set in the same compartment. However, when this design is installed in the vegetable and fruit room, since the storage box for the vegetable and fruit room in the vegetable and fruit room is an open space, the humidity in the vegetable and fruit room is not easy to maintain. For vegetables and fruits and vegetables with high water loss rate, the Easy to corrupt due to water loss. In addition, because the relative humidity and relative temperature of the vegetable and fruit room need to be maintained by the structure of the fan, the overall cost of the refrigerator increases, causing consumers to purchase at a higher amount. Therefore, how to reduce the production cost and at the same time control the humidity and temperature in the vegetable and fruit room, as well as improve the moisturizing properties of the leafy vegetables and other foodstuffs, is a problem that the industry needs to overcome.

Therefore, the purpose of the present invention is to provide a refrigerator that can reduce the cost and can effectively maintain the temperature and humidity of the vegetable and fruit room.

Therefore, the refrigerator of the present invention includes: a box unit, a storage box unit, a return air unit and a cooling unit. The box unit includes a heat-insulating box defining a storage space, a door body that can openably seal the storage space, and a first plate member provided in the heat-insulating box. The first plate member defines at least one air vent, and the heat insulation box and the first plate member jointly divide the storage space into a refrigerator compartment, and a vegetable and fruit compartment located below the refrigerator compartment. The storage box unit is removably placed in the vegetable and fruit room, the storage box unit includes at least a first storage box, the first storage box and the air vent are misaligned, and the heat insulation box and the first plate member A semi-circulation space connected to the vent is defined. The return air unit includes a return air structure located in the semi-circulation space and provided in the heat-insulating box body. The return air structure divides the half-circulation space into a temperature-controlled moisturizing channel connected to the vent, and a space The temperature control moisturizing channel does not communicate with the cooling channel of the air vent, and the return air structure defines a return air port connecting the cooling channel and the temperature control moisturizing channel. The cooling unit is disposed in the cooling channel and communicates with the refrigerating compartment. The cooling unit is used to provide cold air in the refrigerating compartment. The cold air settles along the vent to enter the temperature-controlled moisturizing channel of the vegetable and fruit compartment and enters along the return vent The cooling channel maintains the temperature and humidity of the vegetable and fruit room.

In some embodiments, the refrigerator further includes a windshield unit disposed on the first plate member, the storage box unit forms a gap with the first plate member, and the windshield unit includes a windshield unit disposed on the first A bottom surface of the plate member and adjacent to the top edge of the rear side wall of the first storage box to separate the gap and the temperature control moisturizing channel of the rear windshield, and a bottom surface of the first plate member disposed adjacent to the first A top edge of the front side wall of a storage box is provided with the front windshield for the rear windshield to cover the opening of the first storage box.

In some embodiments, the first plate member has a support plate provided on the heat insulation box, and a heat insulation plate provided on the bottom surface of the support plate, the front windshield and the rear windshield Corresponding to the storage box unit, the heat insulation board is arranged at intervals, and the front windshield, the rear windshield and the heat insulation board are integrally formed.

In some embodiments, the first storage box defines a space for placing fruits and vegetables spaced by the temperature-controlled moisturizing channel, and the storage box unit further includes a layer stacked on the first storage box and partially covering the space for placing fruits and vegetables Second storage box, a partition plate provided in the vegetable and fruit storage space and having a circulation hole, and a moisture permeable membrane structure provided on the partition plate and shielding the circulation hole, the separator puts the vegetable and fruit storage space It is divided into a moisturizing part and an accommodating part, and together with the second storage box, the moisturizing part is shielded so that the humidity of the moisturizing part can be controlled by the moisture permeable membrane structure.

The effect of the present invention is that the air vents are defined by the first plate member to allow cold air to enter the vegetable and fruit room, and then cooperate with the storage box unit, the windshield unit and the return air structure to define the The temperature-controlled moisturizing channel guides cold air to the cooling channel along the return air port. When the cold air flows through the temperature-controlled moisturizing channel, the temperature and humidity of the vegetable and fruit room can be maintained, and by the windshield unit and the storage box unit The shielding can further prevent a large amount of cold air from flowing into the vegetable and fruit placement space toward the door body, thereby reducing the water loss rate of the vegetable and fruit, and further, the partition and the moisture-permeable membrane structure are provided in the vegetable and fruit placement space. Further control the moisturizing part used to store leafy vegetables to maintain a better humidity range to avoid rot. Overall, through the aforementioned simple structural improvement, the production cost can be greatly reduced and the original temperature and humidity of the vegetable and fruit room can be maintained, and it is easier Control the humidity of the moisturizing section to extend the shelf life of foods such as leafy vegetables.

Referring to FIG. 1, an embodiment of the refrigerator of the present invention includes a box unit 1, a storage box unit 2, a return air unit 3, a wind deflector unit 4 and a cooling unit 5.

The box unit 1 includes a heat-insulating box 11 defining a storage space 111, a door 12 that can be opened to seal the storage space 111, and a first plate member 13 that is evenly arranged in the storage space 111. And a second plate member 14 that is evenly arranged in the storage space 111 and located below the first plate member 13. In this embodiment, the heat insulation box 11, the first plate member 13 and the second plate member 14 partition the storage space 111 into a refrigerator compartment 111 a adjacent to the top side of the heat insulation box 11, a A vegetable and fruit compartment 111b located below the refrigerator compartment 111a, and a freezer compartment 111c located below the vegetable compartment 111b. Of course, the second plate member 14 can be adjusted according to actual design requirements, and is not limited to this embodiment. In another embodiment, the cabinet unit 1 may also include only the first plate member 13 to store space 111 is divided into multiple compartments. In addition, as shown in FIG. 2, two air vents 131 connecting the refrigerating compartment 111 a and the vegetable and fruit compartment 111 b are respectively defined on two opposite sides behind the first plate member 13, and the air vents 131 are provided on both sides to supply cold air It can flow on the two opposite sides of the vegetable and fruit compartment 111b, so that the temperature in the vegetable and fruit compartment 111b tends to be uniform, but the vent 131 is not limited to two. In this embodiment, the temperature of the vegetable and fruit compartment 111b is approximately equal to the temperature of the refrigerator compartment 111a.

Referring to FIG. 1, on the other hand, the first plate member 13 has a support plate 132 that is engaged with the heat insulation box 11, and a heat insulation plate 133 connected to the bottom surface of the support plate 132, the support plate 132 The heat insulation board 133 is used to separate the storage space 111 from the refrigerator compartment 111a and the vegetable and fruit compartment 111b, and the heat insulation board 133 has a shell 134 and a heat insulation material filled in the shell 134 (not shown in the figure) (Drawing), the housing 134 is made of plastic, and the heat insulation material is made of Styrofoam, but not limited to this, thereby slowing the heat conduction between the refrigerator compartment 111a and the vegetable and fruit compartment 111b, so that the refrigerator compartment 111a and The vegetable and fruit chamber 111b can be maintained at their preferred temperatures. In particular, since the structure of the vegetable and fruit compartment 111b is a feature of this case, the following description will not describe the parts of the refrigerator compartment 111a and the freezer compartment 111c for the relevant structure of the vegetable and fruit compartment 111b.

The storage box unit 2 is removably placed in the vegetable and fruit room 111b. The storage box unit 2 includes a first storage box 21 placed on the second plate member 14 and defining a vegetable and fruit storage space 211, and a stack of A second storage box 22 on the first storage box 21 and slidable relative to the first storage box 21, a partition 23 provided in the vegetable and fruit storage space 211 and having a circulation hole 231, and a partition 23 provided on the first storage box 21 The separator 23 also shields the moisture-permeable membrane structure 24 of the circulation hole 231. Specifically, the first storage box 21 has a first bottom wall 212 and a first surrounding wall 213 extending upward from the periphery of the first bottom wall 212. The second storage box 22 has a second bottom wall 221 that covers a portion of the vegetable and fruit storage space 211, and a second that extends upward from the periphery of the second bottom wall 221 and is spaced apart from the first plate member 13 by a gap 223 Wall 222. In particular, the first storage box 21 and the second storage box 22 are all misaligned with the air vent 131. More specifically, the first storage box 21, the second storage box 22 and the air vent 131 There is still a distance in the horizontal direction, according to which, the rear side wall portion of the first surrounding wall 213 of the first storage box 21, the rear side wall portion of the second surrounding wall 222 of the second storage box 22, the heat insulation The box 11, the first plate member 13 and the second plate member 14 define a semi-circulation space 214 communicating with the air vent 131.

Referring to FIG. 1, the partition plate 23 divides the vegetable and fruit storage space 211 into a moisturizing portion 211 a and an accommodating portion 211 b, and the partition plate 23, the moisture permeable membrane structure 24 and the second storage box 22 jointly shield the moisturizing The portion 211a allows the humidity of the moisturizing portion 211a to be controlled via the moisture permeable membrane structure 24. In this embodiment, the moisturizing portion 211a is used to store vegetables such as leafy vegetables with a high water loss rate. The material of the moisture-permeable membrane structure 24 is exemplified by regenerated cellulose, but not limited to regenerated cellulose. However, once the humidity of the moisturizing portion 211a is higher than the preset humidity range through the material characteristics of regenerated cellulose, It means that the moisture content of the air in the moisturizing part 211a is not borne by the leafy vegetables. At this time, the moisture in the moisturizing part 211a is absorbed by the regenerated cellulose molecules through the air flow, and then it is excluded from the moisturizing part 211a to reduce the moisture content in the moisturizing part 211a. If the humidity of the moisturizing part 211a is lower than the preset humidity range, it means that the air moisture content in the moisturizing part 211a is not enough for the leafy vegetables to absorb. At this time, the moisturizing properties of the regenerated cellulose molecules will hinder the moisturizing part The moisture in the 211a does not flow out, so that the vegetables can be maintained in the best state of freshness. In a preferred embodiment, the humidity range of the moisturizing portion 211a is between 60% and 90%.

Referring to FIGS. 1 and 3, the return air unit 3 includes a return air structure 31 located in the semi-circulation space 214 and disposed in the heat insulation box 11. The return air structure 31 divides the half-circulation space 214 into a communication A temperature-controlled moisturizing channel 214a of the air vent 131, a first cooling channel 214b spaced apart from the temperature-controlled moisturizing channel 214a and not communicating with the air vent 131, and a spaced apart temperature control moisturizing channel 214a and communicating with the first cooling channel 214b In the second cooling channel 214c, the return air structure 31 defines at least one return air port 32 connecting the first cooling channel 214b and the temperature-controlled moisturizing channel 214a. Specifically, the cold air from the refrigerating compartment 111b enters the temperature-controlled moisturizing channel 214a along the air vent 131 through the sedimentation effect. Since the return air vents 32 are located adjacent to the air vent 131, the cold air quickly follows The temperature-controlled moisturizing channel 214a enters the first cooling channel 214b along the return air ports 32 to reduce the flow to the door 12, thereby maintaining the temperature of the vegetable and fruit room 111b.

The wind deflector unit 4 is disposed on the heat insulation plate 133 of the first plate member 13. The wind deflector unit 4 includes a rear surface disposed on the bottom surface of the first plate member 13 and adjacent to the rear of the second storage box 22 The top edge of the side wall separates the gap 223 and the rear windshield 41 of the temperature-controlled moisturizing channel 214a, and a top edge of the front side wall provided on the bottom surface of the first plate member 13 and adjacent to the second storage box 22 is provided The rear windshield 41 shields the front windshield 42 where the second storage box 22 opens. Here, the top edge of the rear side wall refers to the top edge of the rear side wall portion of the second surrounding wall 222, and similarly, the top edge of the front side wall refers to the top edge of the front side wall portion of the second surrounding wall 222. In this embodiment, the front windshield 42, the rear windshield 41 and the heat insulation plate 133 are integrally formed, thereby simplifying the overall structure and reducing production costs, and the heat insulation plate 133 can achieve heat insulation and Double functions such as windshielding are not limited to integral molding, and the front windshield plate 42 and the rear windshield plate 41 may be additionally engaged with the heat insulation plate 133. In addition, it should be noted that, in a preferred embodiment, the cooperation of the wind deflector unit 4 and the storage box unit 2 can effectively guide the cold air from the air vent 131 to the return air port 32, This maintains the vegetable room 111b at a better humidity and temperature. Of course, even if the windshield unit 4 is omitted, the cold air can be moved to the return air port 32, and the vegetable room 111b can also be maintained at a certain humidity and temperature.

Furthermore, the number of storage boxes that the vegetable and fruit room 111b can store is not limited to the first storage box 21 and the second storage box 22, in another embodiment, the vegetable and fruit room 111b can also be placed in a volume The first storage box 21 substantially equivalent to the volume of the vegetable and fruit compartment 111b, that is, the top edge of the first surrounding wall 213 of the first storage box 21 is adjacent to the first plate member 13, and the front and rear side wall portions are respectively adjacent The front windshield plate 42 and the rear windshield plate 41 can also guide the cold air to be discharged toward the return air opening 32 and thus the vegetable and fruit placement space 211 can achieve moisturizing effect.

The cooling unit 5 is disposed in the second cooling channel 214c and communicates with the refrigerator compartment 111a. In this embodiment, the cooling unit 5 includes a cooling device 51 disposed in the second cooling channel 214c, and a The hot box body 11 defines a blowing structure 52 of a blowing channel 521. The cooling device 51 has a fan and other cooling elements. The air supply passage 521 has a first air supply portion communicating with the refrigerating compartment 111a and a second air supply portion communicating with the freezing compartment 111c. In a preferred embodiment, the operating energy of the fan in the cooling device 51 causes the cold air located in the temperature-controlled moisturizing channel 214a to move toward the air return opening 32. Overall, the cooling unit 5 is used to provide cold air in the refrigerator compartment 111a. The cold air settles along the air vent 131 into the temperature-controlled moisturizing channel 214a of the vegetable and fruit compartment 111b and enters the first cooling channel along the return air port 32 214b, guided by the first cooling channel 214b to the second cooling channel 214c and passing through the cooling device 51 and the corresponding channel again for the next cycle, the cold air of the refrigerator compartment 111a flows to the vegetable and fruit compartment 111b through the air vent 131 , With the return air port 32, the first cooling channel 214b, the second cooling channel 214c and the cooling unit 5 form a circulation circuit, in other words, the cold air from the air vent 131 when passing through the temperature control moisturizing channel 214a can absorb the fruits and vegetables room 111b The heat energy maintains the moisture in the vegetable and fruit compartment 111b. The cold air enters the first cooling channel 214b and the second cooling channel 214c in sequence, and the heat energy is discharged through the cooling unit 5 to return to the refrigerator compartment 111a again for the next cycle. Therefore, with the simple improvement of the air inlet 131 and the air inlet 32, together with the storage box unit 2 and the wind deflector unit 4, the temperature and humidity in the vegetable and fruit room 111b can be reached in a better state.

In summary, the refrigerator of the present invention defines the ventilation holes 131 by the first plate member 13 to allow cold air to enter the vegetable and fruit room 111b, and then cooperates with the storage box unit 2 and the wind deflector unit 4 And the temperature-controlled moisturizing channel 214a defined by the return air structure 31 guides cold air to the first cooling channel 214b along the return air port 32, and the cold air flowing in the temperature-controlled moisturizing channel 214a can maintain the vegetable and fruit room 111b Temperature and humidity, and the shielding of the windshield unit 4 and the storage box unit 2 can further prevent a large amount of cold air from flowing into the vegetable and fruit placement space 211 toward the door body 12, thereby reducing the loss of water from vegetables such as leafy vegetables In addition, the partition 23 and the moisture permeable membrane structure 24 are provided in the vegetable and fruit storage space 211 to further control the moisturizing portion 211a for storing leafy vegetables to maintain a better humidity range to avoid decay. On the whole Through the aforementioned simple structural improvement, the production cost can be greatly reduced and the original temperature and humidity of the vegetable and fruit room 111b can be maintained, and it is easier to control the humidity of the moisturizing part 211a to prolong the shelf life of foods such as leafy vegetables. purpose.

However, the above are only examples of the present invention, and should not be used to limit the scope of the present invention. Any simple equivalent changes and modifications made according to the scope of the patent application of the present invention and the content of the patent specification are still classified as This invention covers the patent.

1‧‧‧Cabinet unit 11‧‧‧Insulated cabinet 111‧‧‧Storage space 111a‧‧‧Refrigerator compartment 111b‧‧‧Fruit and vegetable compartment 111c‧‧‧Freezer compartment 12‧‧‧Door 13‧‧‧ One plate member 131‧‧‧Vent port 132‧‧‧Support plate 133‧‧‧Insulation board 134‧‧‧‧Housing 14‧‧‧Second plate member 2‧‧‧Storage box unit 21‧‧‧First storage box 211‧‧‧Vegetable and fruit storage space 211a‧‧‧Moisturizing part 211b‧‧‧Accommodation part 212‧‧‧First bottom wall 213‧‧‧First enclosure wall 214‧‧‧Semi-circulation space 214a‧‧‧Temperature control Moisturizing channel 214b‧‧‧First cooling channel 214c‧‧‧Second cooling channel 22‧‧‧Second storage box 221‧‧‧Second bottom wall 222‧‧‧Second wall 223‧‧‧Gap 23‧‧ ‧Baffle 231‧‧‧Circulation hole 24‧‧‧Moisture permeable membrane structure 3‧‧‧ Air return unit 31‧‧‧ Air return structure 32‧‧‧ Air return port 4‧‧‧Wind shield unit 41‧‧‧ rear Windshield 42‧‧‧Front windshield 5‧‧‧Cooling unit 51‧‧‧Cooling device 52‧‧‧Air supply structure 521‧‧‧Air supply channel

Other features and functions of the present invention will be clearly presented in the embodiment with reference to the drawings, in which: FIG. 1 is a schematic cross-sectional view of an embodiment of the refrigerator of the present invention, illustrating a cabinet unit of the embodiment , The structure of a storage box unit, a return air unit and a wind deflector unit, and the cooling air circulation path; FIG. 2 is a front view of the embodiment, illustrating the second air inlet and multiple return air outlets of the embodiment Relationship position; and FIG. 3 is another schematic cross-sectional view similar to the perspective of FIG. 1, illustrating the structure of a cooling unit of this embodiment.

1‧‧‧Box unit

11‧‧‧Insulation box

111‧‧‧Storage space

111a‧‧‧Refrigerator

111b‧‧‧Fruit and Fruit Room

111c‧‧‧Freezer

12‧‧‧door body

212‧‧‧First bottom wall

213‧‧‧The first wall

214‧‧‧half circulation space

214a‧‧‧Temperature controlled moisturizing channel

214b‧‧‧cooling channel

22‧‧‧Second storage box

221‧‧‧Second bottom wall

13‧‧‧The first board member

131‧‧‧ vent

132‧‧‧Support plate

133‧‧‧Insulation board

134‧‧‧Housing

14‧‧‧Second plate member

2‧‧‧Storage box unit

21‧‧‧First storage box

211‧‧‧Space for fruits and vegetables

211a‧‧‧Moisturizing Department

211b‧‧‧Accommodation Department

222‧‧‧The second wall

23‧‧‧Partition

231‧‧‧Circulation hole

24‧‧‧Moisture permeable membrane structure

3‧‧‧ Return air unit

31‧‧‧Return structure

32‧‧‧ Return air outlet

4‧‧‧Windshield unit

41‧‧‧ Rear windshield

42‧‧‧Front windshield

Claims (4)

A refrigerator includes: a box unit, including a heat-insulating box, defining a storage space, a door body, which can be opened to seal the storage space, and a first plate member, provided in the heat-insulating box, and The first plate member defines at least one air vent, the heat insulation box and the first plate member jointly divide the storage space into a refrigerator compartment, and a vegetable and fruit compartment under the refrigerator compartment; a storage box unit, which can Removably placed in the vegetable and fruit room, the storage box unit includes at least a first storage box, the first storage box is misaligned with the air vent, and defines a communication with the heat insulation box and the first plate member The semi-circulation space of the air vent; a return air unit, including a return air structure located in the semi-circulation space and provided in the heat insulation box, the return air structure divides the semi-circulation space into a temperature communicating with the air vent A moisture-controlling channel, and a cooling channel that is spaced apart from the temperature-controlling moisturizing channel and does not communicate with the air vent, the return air structure defines a return air port that connects the cooling channel and the temperature-controlling moisturizing channel; and a cooling unit, which is provided at The cooling channel communicates with the cold storage room, and the cooling unit is used to provide cold air of the cold storage room. The cold air settles into the temperature-controlled moisturizing channel of the vegetable and fruit room along the air vent and enters the cooling channel along the air return to maintain The temperature and humidity of the vegetable and fruit room. The refrigerator according to claim 1, further comprising a windshield unit provided on the first plate member, the storage box unit forms a gap with the first plate member, and the windshield unit includes a windshield unit provided on the The bottom surface of the first plate member is adjacent to the top edge of the rear side wall of the first storage box to separate the gap from the temperature control moisturizing channel, and a rear windshield is provided on the bottom surface of the first plate member and is adjacent to the The top edge of the front side wall of the first storage box is provided with the front windshield for the rear windshield to cover the opening of the first storage box. The refrigerator according to claim 2, wherein the first plate member has a support plate provided on the heat insulation box, and a heat insulation plate provided on the bottom surface of the support plate, the front windshield and The rear windshield is corresponding to the storage box unit and is arranged on the heat insulation board at intervals, and the front windshield, the rear windshield and the heat insulation board are integrally formed. The refrigerator according to claim 2, wherein the first storage box defines a space for placing vegetables and fruits spaced by the temperature-controlled moisturizing channel, and the storage box unit further includes a layered on the first storage box and partially shielded The second storage box of the vegetable and fruit storage space, a separator provided in the vegetable and fruit storage space and having a circulation hole, and a moisture permeable membrane structure provided on the separator and covering the circulation hole, the separator will The vegetable and fruit storage space is divided into a moisturizing part and an accommodating part, and the moisturizing part is shielded together with the second storage box so that the humidity of the moisturizing part can be controlled by the moisture permeable membrane structure.

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