CN216917057U

CN216917057U - Storage box with refrigeration and vacuum preservation functions

Info

Publication number: CN216917057U
Application number: CN202123304819.1U
Authority: CN
Inventors: 李健; 李泽
Original assignee: Foshan Langquan Electric Co ltd
Current assignee: Foshan Langquan Electric Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-07-08
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses a storage box with refrigeration and vacuum preservation functions, which comprises a box body and a box door; the refrigerating system comprises a cold conducting block and a semiconductor chip, and the semiconductor chip is used for refrigerating or heating so as to reduce or raise the temperature in the inner container; the vacuum storage system comprises a vacuum cover, a vacuum pump and a circuit board, wherein two vacuum switches on the circuit board cooperatively control the working state of the vacuum pump, so that the vacuum inside the storage box is kept within a reasonable vacuum degree range. The vacuum preservation box is provided with the refrigeration system and the vacuum preservation system at the same time, the refrigeration system achieves the effect of refrigerating and preserving food in the box body or the effect of heating and unfreezing the food in the box body, the vacuum preservation system vacuumizes the box body to achieve the effect of vacuum preservation, the two environmental factors of the oxygen content and the temperature of the storage box can be controlled at the same time, the storage box can be guaranteed to store various food materials at the same time, and the preservation time is long.

Description

Storage box with refrigeration and vacuum preservation functions

Technical Field

The utility model relates to the technical field of storage box products, in particular to a storage box with refrigeration and vacuum preservation functions.

Background

With the technological progress and the continuous improvement of living standard, people have higher requirements on the storage of articles. For example, raw and cooked food such as meat, aquatic products and egg products needs to be prevented from being rotten, and dry goods, dry fruits, medicinal materials and clothes need to be prevented from being damaged by worms, damp and mildew. In general, different food products require a corresponding storage environment, but generally, the two environmental factors, oxygen content and temperature, are mainly controlled.

The storage box is an appliance used by many families, almost all families are used in rural areas or cities, but most of the storage boxes in the market simply seal up and store articles, and food stored for a long time is easy to oxidize and deteriorate due to the fact that certain air exists in the storage box. Although storage box products (i.e. controlling the oxygen content) capable of extracting air in the storage box to achieve a vacuum preservation function are also produced in the prior art, the refrigeration preservation requirements (i.e. controlling the temperature) of users cannot be met, so that cooked food such as meat, aquatic products and egg products, and fresh food such as fruits and vegetables cannot be stored. Generally, the prior art can only realize vacuumization or refrigeration preservation, and food or other substances are not preserved for a long time under a single preservation condition, especially the food or other substances cannot be preserved for a long time under some preservation conditions with higher requirements.

Therefore, there is a need in the art for a storage case product having both a refrigeration function and a vacuum preservation function.

SUMMERY OF THE UTILITY MODEL

In order to overcome at least one defect in the prior art, the utility model provides the storage box with the refrigeration and vacuum preservation functions, and the storage box with the refrigeration and vacuum preservation functions has the characteristics of simple and reasonable structural design and capability of simultaneously realizing the refrigeration function and the vacuum preservation function.

The technical scheme adopted by the utility model for solving the problems is as follows:

a storage box with refrigeration and vacuum preservation functions comprises:

the refrigerator comprises a refrigerator body and a refrigerator door, wherein the refrigerator body comprises an inner container and a shell, and the refrigerator door comprises an inner door cover and an outer door cover;

the refrigerating system comprises a cold guide block and a semiconductor chip fixedly arranged on the cold guide block, and the cold guide block and the inner container are arranged in a close fit manner; the semiconductor chip is used for cooling or heating, so that the temperature in the inner container is reduced or increased;

the vacuum storage system comprises a vacuum cover, a vacuum pump and a circuit board, wherein the vacuum cover is fixedly arranged on the inner container, an air suction hole communicated with the inside of the inner container is formed in the vacuum cover, the circuit board is provided with a first vacuum switch and a second vacuum switch, and the air suction hole is respectively communicated with the vacuum pump, the first vacuum switch and the second vacuum switch through pipelines; the first vacuum switch and the second vacuum switch are used for detecting the vacuum degree in the inner container so as to control the working state of the vacuum pump.

Further, the vacuum preservation system also comprises an electromagnetic valve, and the air suction hole is communicated with the electromagnetic valve through a pipeline.

Further, the vacuum preservation system still includes the fixed lid in vacuum, the fixed lid in vacuum sets up the inboard of inner bag, and with the setting of vacuum lid butt, the fixed lid in vacuum orientation one side of inner bag is equipped with a plurality of side openings along the circumferencial direction, the side opening is used for the intercommunication the inner space of inner bag with the aspirating hole.

Further, the vacuum preservation system further comprises an annular sealing ring, and the annular sealing ring is arranged between the vacuum cover and the outer side wall of the inner container.

Furthermore, the top of the inner container is provided with an outer edge formed by folding outwards, and the vacuum pump, the circuit board and the electromagnetic valve are all arranged on the outer edge; wherein, the outer edge is made of plastics.

Furthermore, the outer edge is also fixedly provided with a hinge seat, and a hinge shaft penetrates through the hinge seat and the inner door cover so as to rotatably connect the box door and the box body.

Furthermore, the refrigerating system also comprises a radiator and a cooling fan, wherein the radiator is arranged at one end, far away from the inner container, of the semiconductor chip, the radiator is provided with a plurality of cooling fins arranged at intervals, and the cooling fan is arranged at one end, far away from the inner container, of the radiator.

Further, an ultraviolet lamp is arranged inside the inner container.

Furthermore, foam heat-insulating layers are arranged between the inner container and the shell and between the inner door cover and the outer door cover.

Furthermore, the storage box further comprises a sucker type sealing ring, the sucker type sealing ring is fixedly arranged on the inner door cover, the end part of the sucker type sealing ring is bent to form a folded angle structure, and the folded angle structure is used for pressing the opening of the inner container when the door is closed, so that the inner container has a sealing effect.

In summary, compared with the prior art, the storage box with the refrigeration and vacuum preservation functions provided by the utility model at least has the following technical effects:

1) the storage box with the refrigerating and vacuum storing functions is provided with the refrigerating system and the vacuum storing system, so that the refrigerating system can achieve the refrigerating and fresh-keeping effects (used in summer) or the heating, heat preservation and unfreezing effects (used in winter) on food in the box body, the vacuum storing system vacuumizes the box body to play a role in vacuum fresh-keeping, two environmental factors of oxygen content and temperature of the storage box can be controlled at the same time, the storage box can be ensured to store various food materials such as vegetables, fruits and cooked food at the same time, and the storage time is long;

2) the storage box with the refrigeration and vacuum preservation functions, provided by the utility model, is characterized in that a first vacuum switch and a second vacuum switch in a vacuum preservation system are used for detecting the vacuum degree inside the inner container (namely the vacuum degree of the storage box), and when the vacuum degree is higher than a high-pressure preset value (namely the highest preset vacuum degree) of the two vacuum switches, a circuit board is used for controlling a vacuum pump to stop working, so that the over-high vacuum degree inside the storage box is avoided; when the vacuum degree of the vacuum pump is lower than the low-voltage preset value (namely the lowest preset vacuum degree) of the two vacuum switches, the circuit board controls the vacuum pump to start working, so that the insufficient vacuum degree in the storage box is avoided; therefore, the two vacuum switches cooperatively control the working state of the vacuum pump, so that the vacuum in the storage box is kept in a reasonable vacuum degree range, the function of automatically keeping the vacuum is realized, and the storage time of various food materials in the storage box is obviously prolonged;

3) according to the storage box with the refrigeration and vacuum preservation functions, the semiconductor chip in the refrigeration system can realize the refrigeration and heating functions, so that the effects of refrigerating, preserving freshness, heating, preserving heat and unfreezing food or other substances in the storage box are realized, the application scene is wide, and the daily use requirements of users can be met.

Drawings

FIG. 1 is a cross-sectional view of a storage compartment with refrigeration and vacuum preservation features of the present invention;

FIG. 2 is a schematic diagram of the refrigeration system of the present invention;

FIG. 3 is a schematic view of the construction of the bladder, outer rim and vacuum system of the present invention;

FIG. 4 is a schematic view of the liner, vacuum cap, vacuum retaining cap and suction cup seal of the present invention;

FIG. 5 is an enlarged partial schematic view H of FIG. 4;

FIG. 6 is an exploded view of the vacuum cap, vacuum retaining cap and sealing ring of the present invention;

FIG. 7 is a schematic view of the inner cap, liner and annular sealing ring of the present invention;

FIG. 8 is an enlarged partial schematic view L of FIG. 7;

FIG. 9 is a schematic structural view of the storage box with refrigeration and vacuum preservation functions according to the present invention;

FIG. 10 is an enlarged partial schematic view K of FIG. 9;

wherein the reference numerals have the following meanings:

11. an inner container; 12. a housing; 13. an outer edge; 14. an ultraviolet lamp; 21. an inner door cover; 22. an outer door cover; 23. an annular seal ring; 24. a corner structure; 3. a refrigeration system; 31. a semiconductor chip; 32. A cold conducting block; 33. a heat sink; 34. a heat radiation fan; 4. a vacuum cover; 41. an air exhaust hole; 42. a vacuum fixing cover; 43. a side hole; 44. a sucker type sealing ring; 5. a vacuum pump; 6. a circuit board; 7. an electromagnetic valve; 8. a foam insulation layer; 9. a hinge mount; 91. and a hinge axis.

Detailed Description

For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Referring to fig. 1 to 4, according to an embodiment of the present invention, the storage box with both refrigeration and vacuum preservation functions includes a box body including an inner container 11 and an outer shell 12, and a door including an inner door cover 21 and an outer door cover 22. The box door is rotatably arranged at the front end of the box body and used for achieving the effects of vacuum fresh keeping and cold preservation on food or other substances in the box body when the box door is closed.

The storage box further comprises a refrigerating system 3, wherein the refrigerating system 3 comprises a cold conducting block 32 and a semiconductor chip 31 fixedly arranged on the cold conducting block 32, and the cold conducting block 32 and the inner container 11 are arranged in a clinging mode. The semiconductor chip 31 is used for cooling or heating, so as to lower or raise the temperature inside the inner container 11. Particularly, the semiconductor chip 31 generates heat or cold energy during working, and the heat or cold energy is transmitted to the inner container 11 through the cold conducting block 32, so that the effects of refrigerating, preserving and heating for food materials or other substances inside the inner container 11 are achieved, the application scene is wide, and the daily use requirements of users can be met.

This storage tank still includes the vacuum preservation system, the vacuum preservation system includes vacuum lid 4, vacuum pump 5 and circuit board 6, vacuum lid 4 fixed mounting be in on the inner bag 11, be equipped with on the vacuum lid 4 with the aspirating hole 41 of the inside intercommunication of inner bag 11, circuit board 6 is equipped with first vacuum switch 61 and second vacuum switch 62, aspirating hole 41 pass through the pipeline respectively with vacuum pump 5 first vacuum switch 61 the second vacuum switch 62 intercommunication. The first vacuum switch 61 and the second vacuum switch 62 are used for detecting the vacuum degree inside the inner container 11, so as to control the working state of the vacuum pump 5. Specifically, one of the first vacuum switch 61 and the second vacuum switch 62 is a high-pressure vacuum switch, and the other one is a low-pressure vacuum switch, when the high-pressure vacuum switch of the two vacuum switches detects that the vacuum degree inside the liner 11 (namely, the vacuum degree of the storage tank) is higher than a high-pressure preset value (namely, the highest preset vacuum degree) of the high-pressure vacuum switch, the circuit board 6 controls the vacuum pump 5 to stop working, so that the vacuum degree inside the storage tank is prevented from being too high; when the vacuum degree in the inner container 11 is lower than the low-pressure preset value (namely the lowest preset vacuum degree) of the low-pressure vacuum switch, the vacuum pump 5 is controlled to start working through the circuit board 6, and the shortage of the vacuum degree in the storage box is avoided. To sum up, first vacuum switch 61 and second vacuum switch 62 cooperate the operating condition of control vacuum pump 5 to make the inside vacuum of storage tank keep in reasonable vacuum degree scope, realize the automatic function of keeping vacuum, show the save time of all kinds of edible materials in the extension storage tank.

In the technical scheme of this embodiment, this have storage tank of refrigeration and vacuum preservation function simultaneously is equipped with refrigerating system 3 and vacuum preservation system, realize cold-stored fresh-keeping effect (use the scene in summer) or realize heating heat preservation to the food in the box through refrigerating system 3, the effect of unfreezing (use the scene in winter), play the vacuum fresh-keeping effect to the box evacuation through vacuum preservation system, also can control these two environmental factors of oxygen content and temperature of storage tank simultaneously, ensure that this storage tank can store vegetables simultaneously, multiple edible materials such as fruit and delicates, and can show extension save time.

Referring to fig. 4, in a further technical solution of this embodiment, the vacuum preservation system further includes a solenoid valve 7, and the suction hole 41 is communicated with the solenoid valve 7 through a pipeline. Specifically, since the air exhaust hole 41 provided in the vacuum cover 4 communicates with the interior of the inner container 11, when the electromagnetic valve 7 is in the closed state, the vacuum inside the inner container 11 is isolated from the external environment. When a user needs to open the door and the vacuum degree inside the inner container 11 is too high, the control solenoid valve 7 is in an open state, and external air can enter the inner container 11 through the air exhaust hole 41, so that the vacuum degree inside the storage box is reduced, and the door can be opened.

Referring to fig. 5 to 7, in a further technical solution of this embodiment, the vacuum storage system further includes a vacuum fixing cover 42, the vacuum fixing cover 42 is disposed inside the inner container 11 and is abutted to the vacuum cover 4, a plurality of side holes 43 are circumferentially disposed on one side of the vacuum fixing cover 42 facing the inner container 11, and the side holes 43 are used for communicating an inner space of the inner container 11 with the pumping hole 41. In this further embodiment, a vacuum passage is formed between the side hole 43 of the vacuum fixing cover 42 and the air exhaust hole 41, and the air in the inner container 11 passes through the side hole 43, the vacuum passage and the air exhaust hole 41 in sequence, and is finally exhausted to the outside of the inner container 11. More specifically, the vacuum pump 5 is with the air suction in-process in the inner bag 11, and the air in the inner bag 11 loops through side opening 43 and aspirating hole 41, and the wind direction in the evacuation passageway becomes the vertical direction by the side direction, and the wind field velocity of flow is even slow, compares in with the structure setting mode with the air suction with the inner bag 11 intercommunication with vacuum pump 5 is direct, and the difficult tiny material that adsorbs avoids causing blocking phenomenon, and can play good filter effect.

Referring to fig. 6 and 7, in a further embodiment of the present invention, the vacuum preservation system further includes an annular sealing ring 44, and the annular sealing ring 44 is disposed between the vacuum cover 4 and the outer sidewall of the inner container 11. Specifically, by providing the annular seal ring 44, the sealing effect of the inner container 11 can be further improved, and air in the inner container 11 can be prevented from flowing out through the gap between the vacuum lid 4 and the inner container 1 or outside air can be prevented from flowing into the inner container 11 through the gap.

Referring to fig. 4, in another embodiment of the present invention, an outer edge 13 formed by folding outward is disposed at the top of the inner container 11, and the vacuum pump 5, the circuit board 6 and the electromagnetic valve 7 are disposed on the outer edge 13. Wherein the outer edge 13 is made of plastic. Particularly, vacuum pump 5, circuit board 6 and solenoid valve 7 all set up on the outer edge 13 that plastics were made to with 11 isolated temperature of inner bag, prevent the temperature phenomenon of cluster, ensure that the refrigeration temperature in the inner bag 11 does not run off.

Referring to fig. 10, in a further technical solution of this embodiment, a hinge base 9 is further fixedly disposed on the outer rim 13, and a hinge shaft 91 passes through the hinge base 9 and the inner door cover 21, so that the door and the box body are rotatably connected. More specifically, the door and the box body are connected through a magnet suction structure, so that a user can conveniently open and close the door.

Referring to fig. 2 and 3, in another embodiment of the present invention, the refrigeration system 3 further includes a heat sink 33 and a heat dissipation fan 34, the heat sink 33 is disposed at an end of the semiconductor chip 31 away from the inner container 11, the heat sink 33 is provided with a plurality of fins arranged at intervals, and the heat dissipation fan 34 is disposed at an end of the heat sink 33 away from the inner container 11. In the technical solution of this embodiment, the heat sinks arranged at intervals on the heat sink 33 are used for absorbing and discharging the heat generated during the operation of the semiconductor chip 31 into the air, so as to achieve the heat dissipation effect; the radiator fan 34 is used to accelerate the circulation and flow of air around the radiator 33, and to accelerate the removal of heat from the radiator 33 by convection of air around the radiator.

Optionally, referring to fig. 2, an ultraviolet lamp 14 is disposed inside the inner container 11 for sterilizing food materials or other substances in the inner container 11.

Preferably, as shown in fig. 2, a foam insulation layer 8 is arranged between the inner container 11 and the outer shell 12 and between the inner door cover 21 and the outer door cover 22. Particularly, through the built-in foam heat preservation layer 8 in the inside of box, the inside of chamber door, can effectively play heat preservation, isolated temperature and avoid the effect of heat loss. More specifically, the foam insulation layer 8 may be made of an EPS material.

Preferably, as shown in fig. 8 and 9, the storage box further includes a suction cup type sealing ring 23, the suction cup type sealing ring 23 is fixedly disposed on the inner door cover 21, and an end portion of the suction cup type sealing ring 23 is bent to form a folded angle structure 24, and the folded angle structure 24 is used for pressing against an opening of the inner container 11 when the box door is closed, so that the inner container 11 has a sealing effect. In this preferred technical scheme, after closing the case door on the box, sucking disc formula sealing washer 23 and the top butt of inner bag 11, and the dog-ear structure 24 of its tip compresses tightly the opening part at inner bag 11 to play good sealed effect, prevent the air in the inner bag 11 and discharge, thereby ensure that the storage tank keeps higher vacuum. More specifically, the bevel structure 24 is designed to bear vacuum pressure in the horizontal direction and the vertical direction, so that the bevel structure can keep vertical pressure and lateral pressure, the sealing performance of the sucker type sealing ring 23 is enhanced, and the storage box of the utility model can further keep high vacuum degree.

In summary, the storage box with the refrigeration and vacuum preservation functions provided by the utility model is provided with the refrigeration system 3 and the vacuum preservation system, the refrigeration system 3 is used for realizing the refrigeration and preservation effect (used in summer) or the heating, heat preservation and unfreezing effect (used in winter) on food in the box body, the vacuum preservation system is used for vacuumizing the box body to play a role in vacuum preservation, namely two environmental factors of the oxygen content and the temperature of the storage box can be controlled simultaneously, so that the storage box can be used for simultaneously storing various food materials such as vegetables, fruits and cooked food, and the storage time is long. Specifically, the first vacuum switch 61 and the second vacuum switch 62 in the vacuum preservation system are used for detecting the vacuum degree inside the liner 11 (that is, the vacuum degree of the storage box), and when the vacuum degree is higher than a high-pressure preset value (that is, the highest preset vacuum degree) of the two vacuum switches, the circuit board 6 controls the vacuum pump 5 to stop working, so that the vacuum degree inside the storage box is prevented from being too high; when the vacuum degree of the vacuum pump is lower than the low-voltage preset value (namely the lowest preset vacuum degree) of the two vacuum switches, the vacuum pump 5 is controlled to start working through the circuit board 6, and the lack of the vacuum degree in the storage box is avoided; from this, two vacuum switch cooperative control vacuum pump 5's operating condition to make the inside air of storage tank keep in reasonable vacuum degree scope, realize the automatic function that keeps vacuum, show the save time of all kinds of edible materials in the extension storage tank. In addition, semiconductor chip 31 among the refrigerating system 3 can realize refrigeration and heating function to food or other materials to the storage tank realize cold-stored fresh-keeping effect and heating heat preservation, the effect of unfreezing, the application scene is extensive, can satisfy user's daily user demand.

The technical means disclosed in the utility model scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.

Claims

1. The utility model provides a have storage tank of refrigeration and vacuum preservation function concurrently which characterized in that includes:

2. The storage box with refrigeration and vacuum preservation functions as claimed in claim 1, wherein the vacuum preservation system further comprises a solenoid valve, and the air suction hole is communicated with the solenoid valve through a pipeline.

3. The storage box with the refrigerating and vacuum storing functions as claimed in claim 2, wherein the vacuum storing system further comprises a vacuum fixing cover, the vacuum fixing cover is arranged on the inner side of the inner container and is abutted against the vacuum cover, a plurality of side holes are formed in one side of the vacuum fixing cover, which faces the inner container, in the circumferential direction, and the side holes are used for communicating the inner space of the inner container with the air pumping holes.

4. The storage bin of claim 3 wherein the vacuum preservation system further comprises an annular gasket disposed between the vacuum lid and the outer sidewall of the inner container.

5. The storage box with the refrigeration and vacuum preservation functions as claimed in claim 2, wherein an outer edge formed by folding outwards is arranged at the top of the inner container, and the vacuum pump, the circuit board and the electromagnetic valve are all arranged on the outer edge; wherein, the outer edge is made of plastics.

6. The storage box with both refrigeration and vacuum preservation functions as claimed in claim 5, wherein a hinge seat is further fixedly arranged on the outer edge, and a hinge shaft penetrates through the hinge seat and the inner door cover, so that the box door and the box body can be rotatably connected.

7. The storage box with the refrigerating and vacuum preservation functions as claimed in claim 1, wherein the refrigerating system further comprises a radiator and a heat dissipation fan, the radiator is arranged at one end of the semiconductor chip far away from the inner container, the radiator is provided with a plurality of heat dissipation fins arranged at intervals, and the heat dissipation fan is arranged at one end of the radiator far away from the inner container.

8. The storage box with the functions of refrigeration and vacuum preservation according to any one of claims 1 to 7, characterized in that an ultraviolet lamp is arranged inside the inner container.

9. The storage box with refrigeration and vacuum preservation functions as claimed in any one of claims 1 to 7, wherein foam insulation layers are arranged between the inner container and the outer shell and between the inner door cover and the outer door cover.

10. The storage box with the functions of refrigeration and vacuum preservation according to any one of claims 1 to 7, further comprising a suction cup type sealing ring, wherein the suction cup type sealing ring is fixedly arranged on the inner door cover, the end part of the suction cup type sealing ring is bent to form a folded angle structure, and the folded angle structure is used for pressing the opening of the inner container when the door is closed, so that the inner container has a sealing effect.