CN210801741U

CN210801741U - Fresh-keeping device

Info

Publication number: CN210801741U
Application number: CN201921738646.4U
Authority: CN
Inventors: 吴海荣
Original assignee: Individual
Current assignee: Titania Junchuang Jinhua Holding Co ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-06-19
Anticipated expiration: 2029-10-16

Abstract

The utility model provides a fresh-keeping device belongs to the fresh-keeping technical field of food. It has solved the freshness retaining effect subalternation technical problem in prior art. The fresh-keeping device comprises a base, an inner container, a semiconductor refrigeration piece, a radiator, a radiating fan and a circuit board, wherein the inner container is arranged on the base. The cooling speed of the device is faster, the food can be quickly preserved, and the food is prevented from going bad.

Description

Fresh-keeping device

Technical Field

The utility model belongs to the technical field of food is fresh-keeping, a fresh-keeping device is related to.

Background

At present, the common food preservation apparatus in the existing market mainly uses the refrigerator as a main part, after food is placed in a refrigerating chamber of the refrigerator, moisture in the food can be vaporized to form steam, the moisture in the food can be consumed, the food can be dried after a long time, in addition, because the food placed in the refrigerating chamber of the refrigerator is various, the food is not only uncooked but also cooked, cross contamination is easy to occur, and the food are tainted mutually. Therefore, before food is placed in the refrigerating chamber of the refrigerator, especially cooked food, the food needs to be placed in a covered fresh food box or sealed by a fresh food film, which is troublesome to operate.

In order to improve the convenience of food preservation, the chinese patent network discloses a table dish fresh-keeping cover [ grant publication No.: CN203458155U, it includes the fresh-keeping cover body, semiconductor refrigerator, power and temperature controller, and the fresh-keeping cover body comprises inlayer, skin and heat preservation, and fresh-keeping cover body top is equipped with the mounting hole, and downthehole being used for holding installation semiconductor refrigerator, the radiator of taking the fan is all installed to semiconductor refrigerator's cold junction and hot junction, and the cold junction radiator is installed in fresh-keeping cover body top one side inwards, and the hot junction radiator is installed in fresh-keeping cover body top one side up. When the semiconductor refrigerator is used, the freshness protection cover body is reversely buckled on a dining table and covers a dish on the dining table, after the semiconductor refrigerator is electrified, the cold end of the semiconductor refrigerator is positioned in the freshness protection cover body to absorb heat, and the hot end of the semiconductor refrigerator is positioned outside the freshness protection cover body and dissipates heat through the radiator, so that the heat in the freshness protection cover body is moved out of the cover body, and the refrigeration and freshness protection of food are realized.

The fresh-keeping principle of the table dish fresh-keeping cover is as follows: the cold junction through semiconductor refrigerator cools down the inner space of the fresh-keeping cover body, cools down the external environment who stores food promptly, and then the indirect cools down food, this kind of fresh-keeping mode makes food cooling rate slow, when very much hot high temperature weather, the fresh-keeping cover body just detains on the desktop after, the temperature of fresh-keeping cover body inner space is higher, and the temperature decline of fresh-keeping cover body inner space is slow after the semiconductor refrigerator starts, food is extremely easily rotten in the fresh-keeping cover body.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a fresh-keeping device, the utility model aims to solve the technical problem that: how to improve the fresh-keeping effect of the fresh-keeping device on food.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a fresh-keeping device, includes base, inner bag, semiconductor refrigeration piece, radiator fan and circuit board, the inner bag sets up on the base, its characterized in that, the cold junction of semiconductor refrigeration piece supports with the lower bottom surface of inner bag and leans on, the hot junction and the radiator of semiconductor refrigeration piece are connected, radiator fan connects on the radiator, semiconductor refrigeration piece and radiator fan all are connected with the circuit board electricity, be provided with the housing that can cover the inner bag on the base.

The fresh-keeping principle of this fresh-keeping device is: open the housing, the vegetable dish that will have food is placed in the inner bag or directly falls the inner bag with food, cover the housing again, the housing forms airtight chamber after covering the inner bag, vegetable dish or food are direct and the inner bag contact, make vegetable dish or food directly with heat transfer to the inner bag on, circuit board control semiconductor refrigeration piece and radiator fan simultaneous working, the cold junction and the inner bag contact of semiconductor refrigeration piece make the cold junction of semiconductor refrigeration piece directly inhale away the heat on the inner bag, the hot junction and the radiator of semiconductor refrigeration piece are connected the back, make the semiconductor refrigeration piece from the direct transfer of the heat that absorbs on the inner bag to the radiator, realize carrying out quick cooling to the radiator after the radiator fan work, make the semiconductor refrigeration piece give off the heat again when absorbing the heat, help the semiconductor refrigeration piece to absorb the heat on the inner bag fast. In the structure, the inner container is used as a heat transfer medium, the semiconductor refrigerating sheet is used for indirectly cooling the dishes or the food through the inner container, and compared with the prior art that the semiconductor refrigerating sheet with the same power is used, the cooling speed of the device is higher, the food can be quickly preserved, and the food is prevented from going bad; secondly, the table dish fresh-keeping cover in the prior art adopts two fans, and the structure can realize the quick cooling of dishes or food by only adopting one cooling fan, thereby reducing the number of the fans and reducing the power and noise of the fresh-keeping device when in use; in addition, when food directly pours into the inner bag in, the inner bag has the function of storing concurrently, and food is direct with heat transfer to the inner bag on, further improved the cooling rate of food this moment, realizes the quick fresh-keeping of food.

In the above fresh-keeping device, the inner container is made of an aluminum material or a copper material. The inner bag that aluminium material or copper material made has better heat conductivity, can absorb the heat of vegetable dish or food fast on the one hand, and on the other hand can be fast again give the semiconductor refrigeration piece with the heat transfer who absorbs, is favorable to realizing keeping fresh fast to food.

In foretell fresh-keeping device, this fresh-keeping device still includes the heat preservation, the cavity has on the heat preservation, the inner bag inlays to be established in the cavity, the mounting hole has on the heat preservation, the middle part position of bottom surface under the mounting hole corresponds the inner bag, the semiconductor refrigeration piece inlays to be established in the mounting hole. The lower surface and the external environment of inner bag are kept apart in the setting of heat preservation, avoid the inner bag to take place the heat exchange through lower surface and external environment, are favorable to realizing the rapid cooling of inner bag, realize keeping fresh fast food.

In foretell fresh-keeping device, base and inner bag all are the basin form, the cavity has on the heat preservation, the inner bag inlays to be established in the cavity, the lower bottom surface of heat preservation is the plane, all has the interval between the bottom surface of this plane and base, the lateral wall of heat preservation is the curved surface of laminating mutually with the inner wall of base. Because the cold junction of semiconductor refrigeration piece is with the inner bag under the middle part contact of bottom surface, when semiconductor refrigeration piece during operation, the temperature of inner bag risees from the periphery of inner bag intermediate position to inner bag gradually, through the setting of this structure, the thickness of the heat preservation that contacts with the inner bag under the bottom surface middle part is thinnest, the thickness of the heat preservation that contacts with the inner bag lateral wall is thicker, the heat preservation thickness is thicker more, the heat preservation effect is better, this structure realizes carrying out effectual heat preservation to the inner bag periphery, help the fresh-keeping effect to food.

In the above fresh-keeping device, the heat radiator is abutted against the heat-insulating layer. Although the lower surface and the external environment of heat preservation with the inner bag keep apart, the inner bag is with heat preservation direct contact, and the inner bag also can not be for the heat preservation for partial heat transfer, leads to the temperature of heat preservation to rise, and the structure that radiator and heat preservation counterbalance leaned on makes the heat of heat preservation can be absorbed by the radiator, realizes the quick heat dissipation cooling of heat preservation, guarantees that the inner bag keeps fresh the temperature stability.

In a foretell fresh-keeping device, the housing includes two cover bodies, the base upper end has the lug that connects of two relative settings, and the one end of two cover bodies is all rotated and is connected on two lugs, and one of them cover body can be rotated to the inboard or the outside that is located another cover body around connecting the lug. When the fresh-keeping device is used, any cover body can be rotated to open the cover shell, so that food in the inner container can be conveniently taken and placed.

In the above fresh-keeping device, the housing is a transparent housing. The cover is designed to be transparent, so that the state of food in the inner container can be observed by naked eyes without opening the cover.

In the above-mentioned fresh-keeping device, be provided with the stabilizer blade on the lower bottom surface of base, the air intake begins on the bottom surface of base, radiator fan is located the top of air intake, the air outlet has been seted up on the lateral wall of base, have a plurality of ventilation recesses along the horizontal direction on the radiator, the both ends of radiator are run through to the ventilation recess, the exit end of ventilation recess with the position of air outlet is corresponding. When the cooling fan works, air is sucked from the air inlet, hot air is discharged outwards through the air outlet, after the ventilation groove is formed in the radiator, heat on the radiator can be rapidly discharged through air flow of the ventilation groove under the air blowing of the cooling fan, and the air flow can be rapidly and directly discharged from the air outlet due to the fact that the outlet end of the ventilation groove corresponds to the air outlet, and the cooling effect is improved.

In the above fresh-keeping device, a power button for controlling the fresh-keeping device to start or stop is arranged on the base, and the power button is electrically connected with the circuit board. The power button is electrically connected with the circuit board, and the fresh-keeping device can be started or closed by pressing the power button.

In the above-mentioned fresh-keeping device, the base is provided with a fresh-keeping button and a refrigeration button for switching the working state of the fresh-keeping device. The user can select the working state required by the fresh-keeping device according to the type of food, and the application range of the fresh-keeping device is improved.

Compared with the prior art, the utility model discloses a fresh-keeping device has following advantage:

1. the inner bag is as heat transfer medium, and the semiconductor refrigeration piece is cooled down dish or food through the inner bag is indirect, uses under the condition of the semiconductor refrigeration piece of equal power with prior art, and the cooling rate of this device is faster, can realize keeping fresh fast to food, avoids food rotten.

2. The table dish fresh-keeping cover in the prior art adopts two fans, and the structure can realize the rapid cooling of dishes or food by only adopting one cooling fan, thereby reducing the number of the fans and reducing the power and noise when the fresh-keeping device is used.

3. When food directly pours into the inner bag, the inner bag has the function of storing concurrently, and food is direct with heat transfer to the inner bag on, further improved the cooling rate of food this moment, realizes the quick fresh-keeping of food.

Drawings

Fig. 1 is a schematic sectional structure of the present invention.

Fig. 2 is one of the schematic three-dimensional structures of the present invention.

Fig. 3 is a second schematic perspective view of the present invention.

Fig. 4 is a front view of the present invention.

In the figure, 1, a base; 1a, connecting lugs; 1b, a support leg; 1c, an air inlet; 1d, an air outlet; 2. an inner container; 3. a semiconductor refrigeration sheet; 4. a heat sink; 5. a heat radiation fan; 6. a circuit board; 7. a housing; 71. a cover body; 8. a heat-insulating layer; 8a, a concave cavity; 8b, mounting holes; 81. a plane; 82. a curved surface; 9. a power button; 10. a freshness retaining button; 11. a refrigeration button.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, fig. 2 and fig. 3, the fresh-keeping device includes a base 1, an inner container 2, a semiconductor refrigeration sheet 3, a heat sink 4, a heat dissipation fan 5 and a circuit board 6, wherein the inner container 2 is disposed on the base 1 and the inner container 2 is made of aluminum material or copper material, an installation space is provided between the inner container 2 and the base 1, the semiconductor refrigeration sheet 3, the heat sink 4, the heat dissipation fan 5 and the circuit board 6 are all located in the installation space, a cold end of the semiconductor refrigeration sheet 3 abuts against a lower bottom surface of the inner container 2, a hot end of the semiconductor refrigeration sheet 3 is connected with the heat sink 4, the heat dissipation fan 5 is connected to the heat sink 4, the semiconductor refrigeration sheet 3 and the heat dissipation fan 5 are both electrically connected to the circuit board 6, a housing 7 capable of housing the inner container 2 is disposed on the base 1, in this embodiment. The cover 7 is opened, a dish with food is placed in the inner container 2 or the food is directly poured into the inner container 2, the cover 7 is covered, the inner container 2 is covered by the cover 7 to form a sealed cavity, the dish or the food is directly contacted with the inner container 2, the dish or the food directly transfers heat to the inner container 2, the circuit board 6 controls the semiconductor refrigerating sheet 3 and the radiating fan 5 to work simultaneously, the cold end of the semiconductor refrigerating sheet 3 is contacted with the inner container 2, the cold end of the semiconductor refrigerating sheet 3 directly absorbs the heat on the inner container 2, the hot end of the semiconductor refrigerating sheet 3 is connected with the radiator 4, the heat absorbed by the semiconductor refrigerating sheet 3 from the inner container 2 is directly transferred to the radiator 4, the radiator 4 is quickly cooled after the radiating fan 5 works, the semiconductor refrigerating sheet 3 absorbs the heat and simultaneously radiates the heat, and the semiconductor refrigerating sheet 3 is favorable for quickly absorbing the heat on the inner container 2, realize the quick fresh-keeping to food, avoid food rotten.

As shown in fig. 1, this fresh-keeping device still includes heat preservation 8, has cavity 8a on the heat preservation 8, and inner bag 2 inlays to be established in cavity 8a, has mounting hole 8b on the heat preservation 8, and the middle part position of bottom surface under the mounting hole 8b corresponds inner bag 2, and semiconductor refrigeration piece 3 inlays to be established in mounting hole 8 b. Base 1 and inner bag 2 all are the basin form, and the lower bottom surface of heat preservation 8 is plane 81, all has the interval between this plane 81 and base 1's the bottom surface, and the lateral wall of heat preservation 8 is the curved surface 82 of laminating mutually with base 1's inner wall. During fresh-keeping, the temperature of inner bag 2 risees from 2 intermediate positions of inner bag to the periphery of inner bag gradually, and the thickness of the heat preservation 8 that contacts with inner bag 2 bottom surface middle part is thinnest, and the thickness of the heat preservation 8 that contacts with 2 lateral walls of inner bag is thicker, and 8 thicknesses of heat preservation are thicker more, and the heat preservation effect is better, and this structure realizes carrying out effectual heat preservation to 2 peripheries of inner bag, helps the fresh-keeping effect to food.

As shown in fig. 1, radiator 4 supports against with heat preservation 8, specifically supports against with plane 81 for radiator 4, and this structure makes radiator 4 great with heat preservation 8's area of contact for heat preservation 8's heat can be absorbed by radiator 4 fast, realizes heat dissipation and cooling fast of heat preservation 8, guarantees that inner bag 2 keeps fresh the temperature stability.

As shown in fig. 2 and 3, the cover 7 is a transparent cover, the cover 7 includes two covers 71, the upper end of the base 1 has two oppositely disposed lugs 1a, one end of each of the two covers 71 is rotatably connected to the two lugs 1a, and one cover 71 can rotate around the lug 1a to be located inside or outside the other cover 71. When the fresh-keeping device is used, any cover body 71 can be rotated to open the cover 7, so that food in the inner container 2 can be conveniently taken and placed.

As shown in fig. 1 and 2, the bottom surface of the base 1 is provided with support legs 1b, the bottom surface of the base 1 is provided with an air inlet, the heat dissipation fan 5 is located above the air inlet 1c, and the side wall of the base 1 is provided with an air outlet 1 d. The heat sink 4 is provided with a plurality of ventilation grooves 41 along the horizontal direction, the ventilation grooves 41 penetrate through two ends of the heat sink 4, and outlet ends of the ventilation grooves 41 correspond to the positions of the air outlets 1 d.

As shown in fig. 4, a power button 9 for controlling the fresh-keeping device to start or stop is arranged on the base 1, the power button 9 is electrically connected with the circuit board 6, and a fresh-keeping button 10 and a refrigeration button 11 for switching the working state of the fresh-keeping device are arranged on the base 1. When the power button 9 is pressed, the fresh-keeping device can be controlled to be started or closed; when the freshness protection button 10 is pressed, the working power of the semiconductor refrigerating sheet 3 is lower; when the cooling button 11 is pressed, the power of the semiconductor cooling plate 3 is higher.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a fresh-keeping device, includes base (1), inner bag (2), semiconductor refrigeration piece (3), radiator (4), radiator fan (5) and circuit board (6), inner bag (2) set up on base (1), its characterized in that, the cold junction of semiconductor refrigeration piece (3) supports with the lower bottom surface of inner bag (2) and leans on, the hot junction and the radiator (4) of semiconductor refrigeration piece (3) are connected, radiator fan (5) are connected on radiator (4), semiconductor refrigeration piece (3) and radiator fan (5) all are connected with circuit board (6) electricity, be provided with housing (7) that can cover inner bag (2) on base (1).

2. A freshness retaining device according to claim 1, wherein the inner container (2) is made of an aluminum material or a copper material.

3. The fresh-keeping device of claim 1, further comprising a heat-insulating layer (8), wherein a cavity (8a) is formed in the heat-insulating layer (8), the inner container (2) is embedded in the cavity (8a), a mounting hole (8b) is formed in the heat-insulating layer (8), the mounting hole (8b) corresponds to the middle position of the lower bottom surface of the inner container (2), and the semiconductor refrigeration piece (3) is embedded in the mounting hole (8 b).

4. The fresh-keeping device of claim 3, characterized in that the base (1) and the inner container (2) are both basin-shaped, the lower bottom surface of the heat-insulating layer (8) is a plane (81), a space is arranged between the plane (81) and the bottom surface of the base (1), and the outer side wall of the heat-insulating layer (8) is a curved surface (82) attached to the inner wall of the base (1).

5. A freshness retaining device according to claim 3 or 4, wherein the heat sink (4) abuts against the insulating layer (8).

6. A fresh keeping device according to claim 1, characterized in that the housing (7) comprises two covers (71), the base (1) has two oppositely disposed lugs (1a) at the upper end thereof, one end of each of the two covers (71) is rotatably connected to the two lugs (1a), and one of the covers (71) can rotate around the lug (1a) to be located inside or outside the other cover (71).

7. A freshness retaining device according to claim 1 or 6, wherein the casing (7) is a transparent casing.

8. The fresh-keeping device of any one of claims 1 to 4, wherein the bottom surface of the base (1) is provided with support legs (1b), the bottom surface of the base (1) is provided with an air inlet, the heat dissipation fan (5) is positioned above the air inlet (1c), the side wall of the base (1) is provided with an air outlet (1d), the heat sink (4) is provided with a plurality of ventilation grooves (41) along the horizontal direction, the ventilation grooves (41) penetrate through two ends of the heat sink (4), and the outlet ends of the ventilation grooves (41) correspond to the positions of the air outlet (1 d).

9. The fresh-keeping device of any one of claims 1 to 4, characterized in that a power button (9) for controlling the fresh-keeping device to start or stop is arranged on the base (1), and the power button is electrically connected with the circuit board (6).

10. The freshness retaining device according to claim 9, wherein the base (1) is provided with a freshness retaining button (10) and a refrigeration button (11) for switching the operation state of the freshness retaining device.