CN214536993U - Refrigerator and freezer - Google Patents

Abstract

The utility model provides a refrigeration and freezing device. The refrigerating and freezing device includes a box body with a storage compartment, and an electric field generating device. The electric field generating device includes an electric field generator and a first electrode for outputting an electric field into the storage compartment. The first electrode Disposed in the box, the electric field generator is electrically connected with the first electrode through a wire, and the first electrode includes a first metal conductor and a first insulating structure wrapped on the outside of the first metal conductor. Because of the electric field generator and the first electrode, the electric field generator can form an electric field in the storage compartment through the first electrode, and use the action of the electric field to delay the preservation time of the food in the refrigerator and improve the preservation effect. Applying an electric field to the food can cause the water to resonate, and the applied electric field changes the transmembrane potential of the biological cell membrane. The electric field can affect the activity of enzymes in the food, delay the physiological metabolism of the food, and achieve the purpose of preservation and improve the preservation effect.

Description

Refrigerating and freezing device

Technical Field

The utility model relates to a household electrical appliances refrigeration storing technical field especially relates to a cold-stored refrigeration device.

Background

With the increasingly developing society and the increasing living standard of people, the rhythm of life of people is faster and faster, so that people are more and more willing to buy a lot of food to place in the refrigerator, and various refrigerators become one of the indispensable household appliances in daily life of people. In addition, the requirement of people on the freshness of food is gradually improved, and the existing refrigerator can effectively prolong the storage time of the food so as to facilitate the use of the food by people at any time in time. However, it is necessary to further develop a method for prolonging the freshness-retaining time of food and improving the freshness-retaining effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cold-stored refrigerating plant to further the extension is to the fresh-keeping time of food and improve fresh-keeping effect.

Specifically, the utility model provides a cold-stored refrigeration device, the power distribution box comprises a box body, the room between the storing has in the box, and it still includes electric field generator to and have be used for to the first electrode of the indoor output electric field between the storing, first electrode set up in the box, electric field generator with first electrode passes through the wire electricity and connects, first electrode includes first metallic conductor and wraps up in the first insulation structure in the first metallic conductor outside.

Optionally, the first metal conductor is a metal plate, and the first insulating structure includes a first insulating plate, a second insulating plate, and an insulating glue; the metal plate is arranged between the first insulating plate and the second insulating plate; the insulating glue is arranged between the first insulating plate and the second insulating plate, and the insulating glue wraps the periphery of the metal plate.

Optionally, one side of the metal plate facing the first insulating plate is provided with a plurality of protrusions, the first insulating plate is provided with a plurality of grooves, and each groove accommodates one protrusion.

Optionally, the first metal conductors and the first insulating structures of the first electrode are multiple, and the multiple first metal conductors are arranged in parallel; the first metal conductor is a metal rod, and the first insulating structure comprises an insulating sheath and insulating glue; the metal rod is arranged in the insulating sheath, and the insulating glue is arranged at two ends in the insulating sheath to wrap two ends of the metal rod.

Optionally, each protrusion is a protruding strip, and the protruding strips are arranged in parallel.

Optionally, the first electrode is disposed in a compartment wall of the storage compartment; or the first electrode is arranged on the inner surface of one compartment wall of the storage compartment.

Optionally, the refrigeration and freezing device further comprises a second electrode, the second electrode is arranged opposite to the first electrode, and the second electrode is used for being grounded.

Optionally, the second electrode includes a second metal conductor and a second insulating structure wrapping the outside of the second metal conductor.

Optionally, the second metal conductor is a metal plate, and the second insulating structure includes a first insulating plate, a second insulating plate, and an insulating glue; the metal plate is arranged between the first insulating plate and the second insulating plate; the insulating glue is arranged between the first insulating plate and the second insulating plate, and the insulating glue wraps the periphery of the metal plate; a plurality of bulges are arranged on one side, facing the first insulating plate, of the metal plate, a plurality of grooves are formed in the first insulating plate, and each groove accommodates one bulge; or,

the second metal conductors and the second insulating structures of the second electrode are multiple, and the second metal conductors are arranged in parallel; the second metal conductor is a metal rod, and the second insulating structure comprises an insulating sheath and insulating glue; the metal rod is arranged in the insulating sheath, and the insulating glue is arranged at two ends in the insulating sheath to wrap two ends of the metal rod.

Optionally, the first electrode is disposed in an upper chamber wall of the storage chamber; or the first electrode is arranged on the lower surface of the upper chamber wall of the storage chamber;

the storage compartment is a freezing chamber; the electric field generator is a high-voltage electrostatic generator or a high-voltage generator; the compartment wall of the storage compartment comprises an inner container and a heat insulation layer arranged on the outer side of the inner container, and the conducting wire is arranged in the heat insulation layer and arranged at an interval with the inner container.

The utility model discloses an among the cold-stored refrigerating plant, because have electric field generator and first electrode, the indoor electric field that forms of electric field generator accessible first electrode between the storing utilizes the effect of electric field, delays the fresh-keeping time of edible material in the refrigerator and improves fresh-keeping effect. Specifically, the electric field is applied to the food material to cause water resonance, the electric field is applied to change the transmembrane potential of a biological cell membrane, the electric field can influence the activity of enzymes in the food material, the physiological metabolic process of the food material is delayed, the aim of keeping the food fresh is fulfilled, and the preservation effect is improved.

Furthermore, because the special structure of the first electrode in the refrigeration and freezing device of the utility model has higher safety in the using process. The electric field generating device also has an energy-saving effect.

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 present invention will be described in detail hereinafter, by way of illustration and not by way of 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 partial structural view of a refrigeration and freezing apparatus according to an embodiment of the present invention;

fig. 2 is a schematic partial structural view of a refrigeration and freezing apparatus according to an embodiment of the present invention;

fig. 3 is a schematic partial structural view of a refrigeration and freezing apparatus according to an embodiment of the present invention;

fig. 4 is a schematic partial structural view of a refrigeration and freezing apparatus according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of a first electrode in a refrigeration and freezing apparatus according to an embodiment of the present invention;

figure 6 is a schematic cross-sectional view of a first electrode in a refrigeration and freezing apparatus according to an embodiment of the present invention;

fig. 7 is a schematic partial structural view of a first electrode in a refrigeration and freezing apparatus according to an embodiment of the present invention;

fig. 8 is a schematic cross-sectional view of a first electrode in a refrigeration and freezing apparatus according to an embodiment of the present invention.

Detailed Description

Fig. 1 is a schematic partial structural view of a refrigeration and freezing apparatus according to an embodiment of the present invention; as shown in fig. 1 and referring to fig. 2 to 8, an embodiment of the present invention provides a refrigeration and freezing apparatus, which may include a box 20 and a door. The case 20 defines a storage compartment 21 therein. The storage compartment 21 is at least one, such as a refrigerating compartment, a freezing compartment, a temperature changing compartment and the like. The number and function of the particular storage compartments 21 can be configured according to pre-determined requirements. In some embodiments, the storage temperature of the refrigerating chamber can be 0-9 ℃, or can be 2-7 ℃; the storage temperature of the freezing chamber can be-22 to-14 ℃ or-20 to-16 ℃. The freezer compartment may be disposed below the fresh food compartment, and in some embodiments, the freezer compartment is disposed on one or an upper side of the fresh food compartment. The variable temperature chamber may be disposed between the freezing chamber and the refrigerating chamber. The temperature-changing chamber can be adjusted according to the requirement to store proper food or be used as a fresh-keeping storage chamber.

The door body is provided in correspondence with the storage compartment 21 and is provided on the front side of the corresponding storage compartment 21 so as to be openable and closable. In some embodiments, the storage compartment 21 may be a refrigerating compartment, a freezing compartment, and a temperature-changing compartment, and a refrigerating compartment door, a freezing compartment door, and a temperature-changing compartment door are respectively provided for the storage compartment 21. In some embodiments, the door body may include a pivoting type as well as a drawer type. The pivoting door body may be hinged to the front side of the box 20 and may be pivotally opened. The drawer-type door body can be a front end cover of the drawer, for example, the drawer is arranged in the freezing chamber, the front end cover of the drawer is used for closing the front opening of the freezing chamber, namely, the front end cover of the drawer is the door body.

Further, the refrigerating and freezing device may be a direct-cooling type refrigerating and freezing device, an air-cooling type refrigerating and freezing device, or an air-direct-cooling hybrid refrigerating and freezing device, and may use a compression type refrigerating cycle as a cold source, and the refrigerating system may be a refrigerating cycle system including a compressor, a condenser, a throttling device, an inter-compartment cooling evaporator, and the like. The compartment cooling evaporator is configured to directly or indirectly provide cooling energy into the at least one storage compartment 21. For example, when the refrigerating and freezing device is a household compression type direct cooling refrigerating and freezing device, the compartment cooling evaporator may be disposed outside or inside the rear wall surface of the inner container of the refrigerating and freezing device. In the case where the refrigerating and freezing apparatus is a compression-type air-cooled refrigerating and freezing apparatus for home use, an air passage system is provided in the cabinet 20, and a cooling air flow passing through the compartment cooling evaporator passes through the air passage system and enters and exits the storage compartment 21.

As shown in fig. 1 to 8, in the present embodiment, the refrigerating and freezing device further includes an electric field generator, which includes an electric field generator 31 and a first electrode 32 for outputting an electric field into the storage compartment 21. The first electrode 32 is disposed in the case 20, and the electric field generator 31 is electrically connected to the first electrode 32 through a wire. The first electrode 32 includes a first metal conductor and a first insulating structure wrapped around the outside of the first metal conductor. The external electric field of the food material can cause the resonance of water, the external electric field can change the transmembrane potential of a biological cell membrane, the electric field can influence the activity of enzymes in the food material, the physiological metabolic process of the food material is delayed, the aim of keeping fresh is fulfilled, and the preservation effect is improved. Namely, the utility model discloses a cold-stored refrigeration device further prolongs the fresh-keeping time and has improved fresh-keeping effect to food on the basis of current refrigerator. The electrodes are of a hamburger type structure, a sealing waterproof structure is added, and the distance between the electrodes and the edges meets the creepage distance requirement.

In some embodiments of the present invention, as shown in fig. 1, 3, 5, 6 and 7, the first metal conductor is a metal plate 321, and the first insulating structure includes a first insulating plate 322, a second insulating plate 323 and an insulating glue 324. The metal plate 321 is disposed between the first insulating plate 322 and the second insulating plate 323. The insulating glue 324 is disposed between the first insulating plate 322 and the second insulating plate 323, and the insulating glue 324 wraps around the metal plate 321.

Further, as shown in fig. 6, a plurality of protrusions 325 are provided on a side of the metal plate 321 facing the first insulating plate 322, and a plurality of recesses are provided on the first insulating plate 322, each of which accommodates one of the protrusions 325. For example, each protrusion 325 is a convex strip, and a plurality of convex strips are arranged in parallel.

In some embodiments of the present invention, as shown in fig. 2, 4 and 8, the first metal conductor and the first insulating structure of the first electrode 32 are multiple, and the multiple first metal conductors are arranged in parallel. The first metal conductor is a metal rod 326 and the first insulating structure includes an insulating sheath 327 and an insulating paste 328. The metal rod 326 is disposed in the insulating sheath 327, and the insulating glue 328 is disposed at two ends of the insulating sheath 327 to wrap the two ends of the metal rod 326.

In some embodiments of the present invention, as shown in fig. 1-4, the first electrode 32 is disposed in a wall of the storage compartment 21. Or the first electrode 32 is disposed on an inner surface of one of the compartment walls of the storage compartment 21.

Preferably, as shown in fig. 1 and 2, the refrigerating and freezing device further includes a second electrode 33, the second electrode 33 is disposed opposite to the first electrode 32, and the second electrode 33 is used for grounding.

Further, in some embodiments of the present invention, the second electrode 33 includes a second metal conductor and a second insulating structure wrapped around the outside of the second metal conductor. The second metal conductor is a metal plate, and the second insulation structure comprises a first insulation plate, a second insulation plate and insulation glue. The metal plate is disposed between the first insulating plate and the second insulating plate. The insulating glue is arranged between the first insulating plate and the second insulating plate, and the insulating glue wraps the periphery of the metal plate. One side of the metal plate facing the first insulating plate is provided with a plurality of bulges, the first insulating plate is provided with a plurality of grooves, and each groove contains one bulge. Alternatively, in other embodiments of the present invention, the second metal conductor and the second insulating structure of the second electrode are both multiple, and the multiple second metal conductors are arranged in parallel. The second metal conductor is a metal rod, and the second insulating structure comprises an insulating sheath and insulating glue. The metal rod is arranged in the insulating sheath, and the insulating glue is arranged at two ends in the insulating sheath and wraps two ends of the metal rod.

A plurality of first electrodes 32 and a plurality of second electrodes 33 may be used in combination with each other, that is, a first electrode 32 of one configuration and a second electrode 33 of another configuration may be used in combination. Of course, the structures of the first electrode 32 and the second electrode 33 used in a pair may be the same. The special structure of the first electrode 32 and the second electrode 33 has higher safety in the using process, and the electric field generating device also has an energy-saving effect and a better fresh-keeping effect.

In the embodiment of the present invention, as shown in fig. 1 and 2, electric field generator 31 is a high-voltage electrostatic generator, and generates a high-voltage electrostatic field. The voltage of the high voltage static electricity is mainly 2kV to 60 kV. As shown in fig. 3 to 4, the electric field generator 31 is a high voltage generator, and generates a high voltage alternating electric field, and the voltage generated by the alternating high voltage is mainly 1kV to 10 kV. The high voltage alternating electric field may be generated by a single electrode and the electric field generating means comprises only the first electrode 32. As shown in fig. 1 and 2, the high voltage alternating electric field may be generated by a double electrode, and the electric field generating means includes a first electrode 32 and a second electrode 33.

In some embodiments of the present invention, the first electrode 32 is disposed in the upper chamber wall of the storage chamber 21. Or the first electrode 32 is arranged on the lower surface of the upper chamber wall of the storage chamber 21. The second electrode 33 is disposed in the lower chamber wall of the storage chamber 21. Or the first electrode 32 is disposed on the upper surface of the lower chamber wall of the storage chamber 21. The storage compartment 21 is a freezer compartment.

The high voltage electricity generated by electric field generator 31 needs to be transmitted through a lead, the lead is as short as possible during setting, no adapter is arranged, and the potential safety hazard caused by the discharge phenomenon generated in the switching process of the high voltage electricity can be avoided. And a reliably grounded shielding layer is added on the lead, so that potential safety hazards after electric leakage are avoided. At the same time, the wires need to be spaced from the metal parts inside the case 20 by a sufficient distance that can be referenced to the creepage distance required at different voltages. For example, the compartment wall of the storage compartment 21 includes an inner container and an insulating layer disposed outside the inner container, and the wires are disposed in the insulating layer and spaced from the inner container.

The utility model discloses cold-stored refrigeration device is when using, and material detection device is eaten to the accessible, for example detects the sensor of eating the material temperature, detects and judges whether to have in the storing compartment 21 to eat and put into, if have and eat the material and put into, judges opening of electric field generating device according to the temperature and stops, further also can be according to the frequency that temperature control electric field generating device produced high-pressure alternation electric field. In some embodiments, if food materials are put in, the start and stop of the electric field generating device are controlled according to time, and further, the frequency of the high-voltage alternating electric field generated by the electric field generating device can be controlled according to time. In some embodiments, the start and stop of the electric field generating device may be controlled according to the start and stop of the corresponding door body of the storage compartment 21, and the time or the temperature, and further, the frequency of the high-voltage alternating electric field generated by the electric field generating device may be controlled according to the time and/or the temperature, and the like.

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

Claims (10)

1. The utility model provides a cold-stored refrigeration device, includes the box, have the storing room in the box, its characterized in that still includes electric field generating device, electric field generating device include electric field generator and be used for to the first electrode of the indoor output electric field in storing room, first electrode set up in the box, electric field generator with first electrode passes through the wire electricity and connects, first electrode includes first metallic conductor and wraps up the first insulation system in the first metallic conductor outside.

2. A refrigerator-freezer according to claim 1,

the first metal conductor is a metal plate, and the first insulating structure comprises a first insulating plate, a second insulating plate and insulating glue; the metal plate is arranged between the first insulating plate and the second insulating plate; the insulating glue is arranged between the first insulating plate and the second insulating plate, and the insulating glue wraps the periphery of the metal plate.

3. A refrigerator-freezer according to claim 2,

one side of metal sheet orientation first insulating plate is provided with a plurality of archs, be provided with a plurality of recesses on the first insulating plate, every recess holds one the arch.

4. A refrigerator-freezer apparatus as claimed in claim 1, wherein the first metal conductor and the first insulating structure of the first electrode are each provided in plurality, the plurality of first metal conductors being arranged in parallel; the first metal conductor is a metal rod, and the first insulating structure comprises an insulating sheath and insulating glue; the metal rod is arranged in the insulating sheath, and the insulating glue is arranged at two ends in the insulating sheath to wrap two ends of the metal rod.

5. A refrigerator-freezer according to claim 3,

every the arch is the sand grip, and is a plurality of sand grip parallel arrangement.

6. A refrigerator-freezer according to claim 1,

the first electrode is arranged in one chamber wall of the storage chamber; or the first electrode is arranged on the inner surface of one compartment wall of the storage compartment.

7. A refrigerator-freezer according to claim 1, further comprising a second electrode disposed opposite the first electrode, the second electrode being adapted to be connected to ground.

8. A refrigerator-freezer according to claim 7,

the second electrode comprises a second metal conductor and a second insulating structure wrapping the outer side of the second metal conductor.

9. A refrigerator-freezer according to claim 8,

the second metal conductor is a metal plate, and the second insulating structure comprises a first insulating plate, a second insulating plate and insulating glue; the metal plate is arranged between the first insulating plate and the second insulating plate; the insulating glue is arranged between the first insulating plate and the second insulating plate, and the insulating glue wraps the periphery of the metal plate; a plurality of bulges are arranged on one side, facing the first insulating plate, of the metal plate, a plurality of grooves are formed in the first insulating plate, and each groove accommodates one bulge; or,

the second metal conductors and the second insulating structures of the second electrode are multiple, and the second metal conductors are arranged in parallel; the second metal conductor is a metal rod, and the second insulating structure comprises an insulating sheath and insulating glue; the metal rod is arranged in the insulating sheath, and the insulating glue is arranged at two ends in the insulating sheath to wrap two ends of the metal rod.

10. A refrigerator-freezer according to claim 6,

the first electrode is arranged in the upper chamber wall of the storage chamber; or the first electrode is arranged on the lower surface of the upper chamber wall of the storage chamber;

the storage compartment is a freezing chamber; the electric field generator is a high-voltage electrostatic generator or a high-voltage generator; the compartment wall of the storage compartment comprises an inner container and a heat insulation layer arranged on the outer side of the inner container, and the conducting wire is arranged in the heat insulation layer and arranged at an interval with the inner container.

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